• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    MEDICAL DEVICE FOR VACUUM SEALING DRAINAGE - A medical device for vacuum sealing drainage includes a soft porous foam pad (1), drain tubes (2) that are positioned on the soft porous foam pad (1) with ends that extend outward from the soft porous foam pad (1), and elastic rubber sealing films (3) positioned outside the soft porous foam pad (10. Elastic rubber sealing films (3) have openings in seal (3a) for tubes, including drain tubes (2), so that they extend outwards and the opening diameters of the sealing openings (3a) are smaller than the outer diameters of the corresponding tubes extending outwards. When the device is used for orthopedic or perineum drainage, the elastic sealing films made of 930 rubber are respectively positioned around the location on which the penetration needles (9a), or a catheter insertion points (11), penetrate the device, and the sealing openings (3a) are used to seal around the penetration needles (9a) or the insertion catheter in the anus (11).
    公开号:BR112012024080B1
    申请号:R112012024080-3
    申请日:2011-03-23
    公开日:2020-07-21
    发明作者:Song Jiuhong
    申请人:Wuhan Vsd Medical Science & Technology Co., Ltd.；
    IPC主号:
    专利说明:

    [0001] [01] The invention relates to a medical device for vacuum-sealed drainage, which is suitable for draining wounds on the body surface and for vacuum-sealed drainage in a body cavity. HISTORY OF THE INVENTION
    [0002] [02] A vacuum-sealed drainage technology (abbreviation VSD) was. invented by Dr. Wim Fleischman, at the University of Ulm, Germany, in 1992, who formulated his theory, and its use is indicated for the drainage of wounds on the surface of the limbs. In 1994, Chinese professor Qiu Huade applied VSD technology for the first time in the general departments of surgery and thus started to apply VSD technology in these departments. Professors Wang Yanfeng and Qiu Huade obtained the first patent for VSD technology under patent number CN 2236350 on March 17, 1997.
    [0003] [03] The basic configuration of conventional VSD technology includes a vacuum source (including a medical suction unit, a central vacuum unit, or a vacuum drain bottle used in hospitals), a drain tube, polyvinyl alcohol foams or other medical foams with multiple holes, sponges or gauze (a foam pad with multiple holes to simplify), a breathable film for adhesion and sealing (a sealing film to simplify) and a drain pan. The vacuum source is connected to the drain, through which the liquefaction materials of the body tissues, such as exudation, cataclysm, fragments of necrotic tissue by liquefaction, pus and so on, are conducted into the drainage container.
    [0004] [04] In use, the drain tube, with multiple side holes, is wrapped with the foam pad with multiple holes and disposed on the wound surface or in a wound cavity. The sealing film is used to seal the foam pad with multiple holes and an outlet from the drain tube, separating them from the outside. Then, the drain pan is connected and, finally, the vacuum source is connected and thus the drain system is formed. Since the vesicles in the foam pad with multiple holes are connected to each other, and are very rich in terms of flexibility, the negative pressure can reach any point in a target drainage area, forming a long-range drainage. Under the action of negative pressure, comparatively large, soft and massive extracts are reduced and molded into granules, which enter the drainage tube through the openings of the foam pad with multiple holes, or through the vesicles connected together and then , are quickly inhaled into the drain pan. Larger sized extracts, which could block the drain tube, are retained by the multi-hole foam pad, adhere to the surface of the multi-hole foam pad and leave the device body together with the multi-hole foam pad when the drain is removed or replaced. The closing of the sealing film is a critical factor in maintaining the negative pressure operating as a drainage force and in separating the drainage area from the external area, which effectively prevents contamination and cross-infection.
    [0005] [05] However, there are many problems when using conventional VSD technology in draining a wound tissue surface. 1) the seal is inconvenient. A good seal is the key to guarantee the drainage effect and the most difficult step during the entire vacuum sealed drainage process. The most commonly used sealing methods include: a penetrating orifice method, a mesenteric method, a suture method, and so on. However, in practice, the methods mentioned above are very complex and surgeons will only understand them after repeated surgery and a lot of practice. In addition, poor seals often cause air leakage and further reduce the effect of treatment or even treatment failure with the VSD system. 2) VSD system materials can dehydrate and become dry and hard if kept under negative pressure for a long period of time. 3) when the system is used for orthopedic or perineal purposes the seal may not be reached. BRIEF SUMMARY OF THE INVENTION
    [0006] [06] To solve the irrationality problem of the conventional vacuum sealed drainage device, the invention provides a medical vacuum sealed drainage device. The vacuum-sealed drainage medical device has a good sealing effect and a simple structure for practical use, and is not only suitable for draining wounds on the body surface, but also for vacuum-sealed drainage in one body cavity.
    [0007] [07] The technical scheme of the invention is as follows: The medical device for drainage with vacuum sealing comprises: a soft porous foam cushion and a drain tube arranged on the soft porous foam cushion and is provided with an extending end out of the soft porous foam pad. A rubber sealing film made of rubber is placed on the outside of the soft porous foam pad, in the rubber sealing film made of rubber a sealing opening is formed which allows the drain pipe to extend outwards, the diameter of the opening part of the sealing opening is smaller than the outside diameter of a corresponding extension tube.
    [0008] [08] The sealing opening, used to allow the drain pipe to extend outwards and formed on the elastic sealing film made of rubber, is a circular hole, with a diameter 0.3-4 mm smaller than the outside diameter of a corresponding extension tube.
    [0009] [09] The sealing opening, used to allow the drain pipe to extend outwards and formed on the elastic sealing film made of rubber, is a tubular orifice, and the diameter of the opening part of the tubular orifice is 0.3- 2 mm smaller than the outside diameter of a corresponding extension tube.
    [0010] [010] When the sealing opening, used to allow the tubes to extend outwards and formed over the elastic rubber sealing film, is a tubular orifice, the tubular orifice takes the form of an inverted horn, the diameter of the the opening portion of the tubular orifice is 1-2 mm smaller than the outer diameter of the drain tube, and the diameter of the bottom of the tubular orifice is 2-6 mm greater than the outer diameter of the drain tube.
    [0011] [011] When the sealing opening, used to allow the tubes to extend outwards and formed over the elastic sealing film made of rubber, is a tubular hole, an angle of 15-90 ° is included between the sealing opening and a main body of the elastic sealing film made of rubber.
    [0012] [012] A plurality of small holes are formed in the side wall of the drain pipe.
    [0013] [013] A single or a plurality of drain pipes is employed, the plurality of drain pipes is regularly arranged with a distance of 25-35 mm between the pipes and connected via a multi-way connector at the end.
    [0014] [014] A discharge pipe is disposed in the drain pipe, one end of the discharge pipe extends into the drain pipe, the other end of the discharge pipe is directed outwards from the side wall at the end of the pipe drain and a sealing cap is arranged at the end of the discharge pipe.
    [0015] [015] The vacuum-sealed orthopedic drainage device comprises a soft porous foam cushion and a drain tube arranged on the soft porous foam cushion and is provided with an end extending outward from the soft porous foam cushion. A first elastic sealing film made of rubber is disposed on the outer side of the soft porous foam cushion, on the elastic sealing film made of rubber a sealing opening is formed to allow the drain pipe to extend outwards, diameter of the opening part of the sealing opening is smaller than the outer diameter of the corresponding drain pipe, a second elastic sealing film made of rubber and a third elastic sealing film made of rubber are arranged on puncture needles connected to a orthopedic external fixation device, in the second and third elastic sealing films made of rubber, sealing openings are formed in the form of vertical tubular holes, and fitted over the two puncture needles, respectively; the second and third elastic sealing films made of rubber are placed on the first elastic sealing film made of rubber or are placed directly on the soft porous foam pad to seal in the form of a cover.
    [0016] [016] When the sealing opening, used to allow the tubes to extend outward and formed over the elastic rubber sealing film, is a tubular orifice, an angle of 15-90 ° is included between the tubular orifice and a main body of the elastic sealing film made of rubber.
    [0017] [017] The sealing openings, with vertical tubular orifice shape over the second and third elastic sealing films made of rubber, take the shape of an inverted horn, the diameter of the opening part of the tubular orifice is 0.3-2 mm smaller than the outer diameter of the puncture needles, and the diameter of the bottom of the tubular hole is 2-6 mm larger than the outer diameter of the corresponding puncture needles.
    [0018] [018] A discharge pipe is disposed in the drain pipe, one end of the discharge pipe extends into the drain pipe, the other end of the discharge pipe is directed outwards from the side wall at the end of the pipe drain and a sealing cap is arranged at the end of the sealing cap.
    [0019] [019] A vacuum sealed drainage device used in the perineum comprises a soft porous foam pad and a drain tube arranged on the soft porous foam pad and is provided with an end extending outward from the soft porous foam pad . A first elastic sealing film made of rubber is disposed on the outer side of the soft porous foam pad, on the elastic sealing film made of rubber a sealing opening is formed to allow the drain pipe to extend outwards, and the diameter of the opening part of the sealing opening is smaller than the outer diameter of the corresponding drainage tube, the vacuum-sealed drainage device used in the perineum further comprises an insertion catheter in the anus, a fourth elastic sealing film made rubber is disposed in the position where the insertion catheter in the anus penetrates a vacuum area of the vacuum-sealed drainage device and is provided with a sealing opening in the form of a vertical tubular hole, the sealing opening in the form of a hole vertical tubular is fitted over the insertion catheter in the anus and the fourth elastic seal film made of rubber is placed over the first film elastic sealing made of rubber or is placed directly on the soft porous foam pad to seal in the form of a cover.
    [0020] [020] An annular rubber bag filled with air or liquid is placed on the outer side at the front end of the anus insertion catheter, parallel to the anus insertion catheter, an air or liquid guide tube is also arranged, the front end of the air or liquid guide tube communicates with the rubber bag filled with air or liquid, the rear end of the air or liquid guide tube extends out of the rear end of the anus insertion catheter and a seal is placed at the rear end of the air or liquid guide tube.
    [0021] [021] A discharge pipe is disposed in the drain pipe, one end of the discharge pipe extends into the drain pipe, the other end of the discharge pipe is directed outwards from the side wall at the end of the pipe drain and a sealing cap is arranged at the end of the discharge pipe.
    [0022] [022] The advantages of the invention are summarized below:
    [0023] [023] (1) The problem of air leakage from the extension part of the drain pipe is completely solved, drainage with a stable and successful vacuum seal is ensured, the main technology for vacuum drainage is overcome, the effect of utilization is better and the possibility of air leakage from the VSD system (vacuum sealed drainage) is greatly reduced, that is, the rate of air leakage is reduced from 60% to 5%.
    [0024] [024] (2) Due to the arrangement of the elastic sealing film made of rubber, the device is suitable for draining wounds both on the body surface and in the body cavities. Two sets of different devices for conventional drainage (drainage of wounds on both the body surface and the body cavities) are combined into a single set.
    [0025] [025] (3) The operation is more practical, for wounds to both the cavity and the body surface, the extension part of the drain tube is sealed through the elastic sealing film made of rubber, thus the sealing of the sealing film it is simpler and easier, defects of complex structure and work for doctors are overcome, due to the adoption of VSD technology for injuries in the body cavity. During the process of draining wounds in the body cavity, an effective support (charger) is provided for the sealing film, in order to avoid difficulties in surgeries such as radical mastectomy, Miles operation for rectal cancer, radical operation for tumor vaginal, osteomyelitis fenestration, washing and drainage operation and operation of the perineum explosion wound; the drain tube is not provided with a support during the process of adhesion of the film, thus avoiding the need to adopt an antagonistic adhesion method. The sealing film is only needed to seal around the elastic rubber sealing film, so the draining operation for injuries to the body cavity is simple and the sealing effect is good. The complexity for operators is avoided when using the film adhesion method and the danger of the method perforating the normal tissue of patients, the oppression of normal tissues in the surroundings during drainage in the lateral outlet orifice is also avoided.
    [0026] [026] (4) During the draining of wounds on the body surface, in addition to providing a support surface for the adhesion of the film, the elastic sealing film made of rubber can also cover the soft porous foam cushion by increasing its area , in order to avoid a failure in drainage with vacuum sealing if the sealing film is directly attached to the soft porous foam cushion, as this can become stiff due to the evaporation of water in the soft porous foam cushion through the sealing film .
    [0027] [027] (5) The drain tubes are connected to the catheter through a multi-way connector, the absorption area is increased by means of a plurality of rows of small holes in the side wall of the drain tube, the outlet of each drain pipe can be used both as a sealing opening and a discharge opening to discharge a blocked pipe and both drainage and discharge are practical.
    [0028] [028] (6) The discharge tube is used to discharge an obstructed tube, thus preventing retrograde infection, the discharge tube can also be used to dilute, infiltrate and smooth the drainage in the soft porous foam cushion in due time, in this way the drainage becomes more appropriate, the operating time is reduced, the pain of the patients is relieved and the healing time of the wounds is reduced.
    [0029] [029] (7) The vacuum-sealed orthopedic drainage device alters the operating instructions and rules of conventional external fixation technology and combines the sealing and fixation operations, the external fixation orthopedic device is hermetically sealed to eliminate the problem of failure or reduced effect in the vacuum-sealed drainage treatment due to air leakage, infection in the puncture needle is also eliminated, the main technology for applying the vacuum drainage device to orthopedic trauma is overcome , infection in the puncture needle of orthopedic trauma is basically eliminated, the frequent condition in which the infection extends into the bone cavity along the puncture needle is completely avoided, the risk of treating patients is greatly reduced, the pain it is alleviated, the effect of treatment is ensured and the rate of disability of patients is greatly reduced.
    [0030] [030] (8) According to the device for drainage with vacuum seal used in the perineum, due to the fact that an insertion catheter is also available for the perineum, in the VDS treatment (drainage with vacuum seal), the physiological excretion normal patients are unaffected, overflow of excrement and contamination of the wound are effectively prevented and the incidence rate of infection is effectively reduced and the time for wound healing is reduced. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a general structural diagram of a first basic vacuum-sealed drainage device. FIG. 2 is a general structural diagram of a second basic drainage device with a vacuum seal. FIG. 3 is a diagram of a vacuum-sealed medical drainage device used within the body; FIG. 4 is a diagram of a sealing opening of an elastic sealing film made of rubber in the shape of a circular hole; FIG. 5 is a diagram of a sealing opening of an elastic sealing film made of rubber in the shape of a tubular orifice; FIG. 6 is a structural diagram taken from line AA in FIG. 5; FIG. 7 is a diagram of the sealing opening in the form of a vertical tubular orifice over an elastic sealing film made of rubber; FIG. 8 is a diagram of a drain pipe and a two-way connector mechanism for two drain pipes; FIG. 9 is a diagram for four drain tubes and a four-way connector mechanism that are arranged, respectively, on a soft porous foam pad; FIG. 10 is a general structural diagram of an vacuum-sealed orthopedic drainage device. FIG. 11 is a longitudinal sectional view of FIG 10; FIG. 12 is a general structural diagram of a vacuum-sealed drainage device used in the perineum; and FIG. 13 is a structural diagram of an insertion catheter in the anus. DETAILED DESCRIPTION OF CUSTOMIZATIONS
    [0031] [031] Next, a detailed description of the invention will be provided together with the accompanying drawings.
    [0032] [032] FIG. 1 is a general structural diagram of a first basic vacuum-sealed drainage device, comprising:
    [0033] [033] A soft porous foam pad 1, a drainage tube 2 arranged on the soft porous foam pad 1 and provided with an end extending outward from the soft porous foam pad 1, and an elastic sealing film made of rubber 3, to allow the tubes to extend outwards, is arranged on the outside of the soft porous foam cushion 1. A sealing opening 3a, to allow the drain tube 2 to extend outwards, is a circular tube and is formed on the elastic sealing film made of rubber 3.
    [0034] [034] FIG. 4 is a diagram of the elastic sealing film made of rubber. The diameter D of the sealing opening 3a is 0.3-4 mm smaller than the outside diameter of the drain pipe 2.
    [0035] [035] Due to the elasticity of the elastic sealing film made of rubber, the sealing opening 3a is compressed on the drain tube 2 to promote the sealing. During use, a sealing film 8 is sealed on the elastic sealing film made of rubber 3 and on the soft porous foam pad 1. The end of the drain tube 2 is connected to the drain container 5 and a source of vacuum 6 through a catheter 4. The end of the drain tube 2 extends outwardly from the upper side of the soft porous foam pad.
    [0036] [036] A discharge pipe 7 is disposed in the drain pipe 2, one end of the discharge pipe 7 extends into the drain pipe 2, the other end of the discharge pipe 7 is directed outwards from the wall side at the end of the drain pipe 2 and a sealing cap 7a is arranged at the end of the discharge pipe 7.
    [0037] [037] FIG. 2 is a general structural diagram of a second basic drainage device with a vacuum seal. The second basic drainage device with vacuum seal has the same basic structure as the first basic drainage device with vacuum seal, however, the sealing opening 3a, used to allow the drain pipe 2 to extend out and form on the elastic sealing film made of rubber 3, it is a tubular orifice, and the diameter of the opening part of the tubular orifice is 0.3-2 mm smaller than the outer diameter of a corresponding extension tube.
    [0038] [038] As FIGURES 5 and 6 show, the sealing opening 3a, formed on the elastic sealing film made of rubber 3 and used to allow the tubes to extend outwards, is a tubular orifice, the tubular orifice takes the in the form of an inverted horn, the diameter d1 of the opening part of the tubular orifice is 0.3-2 mm smaller than the outer diameter of the drain pipe 2, and the diameter d2 of the bottom of the tubular orifice is 2-6 mm greater than than the outer diameter of the drain pipe 2. The angle α included between the sealing opening 3a and the main body of the elastic sealing film made of rubber 3 is 15-90 ° and, preferably, 30-45 °.
    [0039] [039] FIG. 7 is a diagram of a sealing opening in the form of a vertical tubular orifice over an elastic sealing film made of rubber. The angle α included between the sealing opening 3a and a main body of the elastic rubber sealing film is 90 °. Personalization is suitable for vertical tubes.
    [0040] [040] FIG. 9 is a diagram of the drain pipe and a two-way connector mechanism for two drain pipes. FIG. 8 is a diagram for four drain tubes and a four-way connector mechanism that are arranged, respectively, on a soft porous foam pad.
    [0041] [041] A plurality of small holes 2a are formed on the side wall of the drain tube 2. A plurality of drain tubes are connected to the multi-way connector 2b, and the multi-way connector 2b is connected to the catheter 4. The drain tubes are suitable for major trauma. The drain pipes 2 are connected via the multi-way connector and then converged to enter the drain container 5, the operation is simple and practical. For use inside the body, a tube is directed outwards, so the wound is small.
    [0042] [042] The structure solves the sealing problem, so drainage with a stable vacuum seal can be maintained.
    [0043] [043] When the vacuum-sealed medical drainage device is used for injuries to the body surface, as shown in FIG. 1 and FIG. 2, after the soft pad with porous foam 1 is placed over the wound, the elastic sealing film made of rubber 3 is arranged in the position where the drain pipes 2 extend outward, and the sealing opening 3a is compressed over the drain tubes 2 to provide sealing due to the elasticity of the elastic sealing film made of rubber, in this way the elastic sealing film made of rubber has a sealing effect. The sealing film 8 covers the soft porous foam pad 1 and the elastic sealing film made of rubber 3 for sealing, so that the soft porous foam pad 1 is sealed close to the body surface. In addition to achieving the sealing effect, the elastic sealing film made of rubber covers the soft porous foam cushion by increasing the area of the elastic sealing film made of rubber 3, in order to avoid a failure in drainage with vacuum sealing if the sealing film 8 is directly attached to the soft porous foam cushion 1, as this can become stiff due to the evaporation of water in the soft porous foam cushion through the sealing film.
    [0044] [044] FIG. 3 is a diagram of the vacuum-sealed medical drainage device used inside the body.
    [0045] [045] The example adopts the structural form in which one end of the drain tubes 2 is positioned on the soft porous foam pad 1 and the other end of the drain tubes 2 is directed outwards from the upper end of the soft foam pad porous 1. When the medical device for vacuum-sealed drainage is used in the body cavity, after the soft porous foam pad is placed in the body cavity, the elastic rubber sealing film made of rubber 3 is attached outside the body to provide support effective (loader) for the sealing film 8, and the sealing opening 3a is compressed on the drain tube 2 to provide sealing due to the elasticity of the elastic sealing film made of rubber, in this way the sealing effect is achieved. The sealing film 8 covers the soft porous foam pad 3, and the periphery of the elastic rubber sealing film 3 is sealed close to the body surface.
    [0046] [046] When the small holes in the drain pipe 2 are blocked, the vacuum system is closed, the sealing cap 7a at the end of the discharge pipe 7 is opened, an irrigator is accessed and a saline solution is injected to dilute and dissolve stagnant blood clots. After stopping washing, the vacuum system is opened and the diluted stagnant blood clots are removed.
    [0047] [047] The most commonly used washing method is as follows: (1) a rubber hose is additionally disposed in the wound, but the position of the rubber hose outlet also needs to be sealed by a film adhesion method, so the possibility of air leakage and sealing difficulties are increased; (2) when the discharge fluid is injected retrograde from the original drainage tube, the exudate can be reinjected into the wound causing retrograde infection; (3) when the discharge fluid is injected through the holes drilled on the soft porous foam pad, the sealing film needs to be attached again to the hole drilled on the soft porous foam pad, thus increasing the difficulty of operation.
    [0048] [048] In the medical device for drainage with vacuum sealing, the obstructed tube is conveniently discharged, the phenomenon of retrograde infection is avoided and the discharge tube does not take the place of the drain tube. The sealing cap 7a is arranged at the end of the discharge tube 7, and when the discharge tube 7 is not used, the sealing cap is closed, thus ensuring the normal operation of the drain tube 2. The discharge tube 7 can also be used as a sampling port and the drainage fluid is tested as a reference for a medication.
    [0049] [049] A plurality of drain tubes 2 are connected via a multi-way connector, when a drain tube is obstructed, observation can be conveniently performed from a catheter connector, so that the drain tube If the obstructed pipe is properly discharged via a discharge pipe, the other drain pipes can be maintained to conduct the drain and the phenomenon in which the vacuum-sealed drain device cannot work normally after the obstruction of a drain pipe is avoided. drainage.
    [0050] [050] FIG. 10 and FIG. 11 are general structural diagrams of an orthopedic drainage device with a vacuum seal.
    [0051] [051] The vacuum-sealed drainage orthopedic device has basically the same structure as the basic vacuum-sealed drainage devices and comprises a soft porous foam pad 1 and a drain tube 2 arranged on the soft porous foam pad 1 and is provided with an end extending outwards from the soft porous foam pad 1, a first elastic sealing film made of rubber 3 is disposed on the outside of the soft porous foam pad 1, a sealing opening 3a, to allow the drain pipe 2 to extend outwards, it is formed on the elastic sealing film made of rubber 3, the diameter D of the opening part of the sealing opening 3a is smaller than the external diameter of the corresponding drain pipe 2 , a second elastic sealing film made of rubber 3 and a third elastic sealing film made of rubber 3 are arranged on the puncture needles 9a connected to the orthopedic device for external fixation, sealing openings in the form of vertical tubular holes 3a are formed on the second elastic sealing film made of rubber 3 and on the third elastic sealing film made of rubber 3 and are fitted over the two puncture needles 9a, and the second and third elastic sealing films made of rubber 3 are placed on the elastic sealing film made of rubber 3 or are placed directly on the soft porous foam pad 1 to seal in the form of a cover. A discharge tube 7 is disposed in the drain tube 2, one end of the discharge tube 7 extends into the drain tube 2, the other end of the discharge tube 7 is directed outwards from the side wall at the end of the drain tube 2 and a sealing cap 7a is disposed at the end of the discharge tube 7. The second and third elastic sealing films made of rubber 3 are used to adapt distance changes of the two puncture needles 9a. When the sealing opening 3a, used to allow the drain pipes 2 to extend outwards and formed on the rubber sealing elastic film 3, is a tubular hole, an angle of 15-90 °, preferably 30- 45 °, is included between the tubular hole and a main body of the elastic sealing film made of rubber 3.
    [0052] [052] The sealing opening 3a with the shape of a tubular orifice preferably takes the form of an inverted horn. The diameter d1 of the opening portion of the tubular orifice is 12 mm smaller than the outer diameter of the drain tube 2, and the diameter d2 of the lower part of the tubular orifice is 2-6 mm greater than the outer diameter of the tube. drainage 2.
    [0053] [053] The sealing openings 3a, on the second and third elastic sealing films made of rubber 3, are sealing openings 3a with vertical tubular orifice shape, shown in FIG. 7, it is part of the customization that the angle a, included between the tubular orifice and the main body of the elastic sealing films made of rubber 3, is 90 °, and is used to seal other tubes. The sealing opening 3a with the shape of a tubular orifice takes the form of an inverted horn, the diameter d1 of the opening part of the tubular orifice is 1-2 mm smaller than the outer diameter of the puncture needles 9a, and the diameter d2 of the the bottom of the tubular orifice is 2-6 mm larger than the outside diameter of the corresponding puncture needles 9a. The vacuum-sealed orthopedic drainage device alters the operating instructions and rules of traditional external fixation orthopedic technology and combines sealing and fixing operations, and the external fixation orthopedic device is hermetically sealed to eliminate the problem of failure or reducing the effect of drainage treatment with vacuum sealing due to air leakage.
    [0054] [054] FIG. 12 is a general structural diagram of a vacuum-sealed drainage device used in the perineum.
    [0055] [055] The vacuum-sealed drainage device used in the perineum basically has the same structure as ordinary vacuum-sealed drainage devices and comprises a soft porous foam pad 1 and a drain tube 2 arranged on the soft porous foam 1 and is provided with an end extending outward from the soft porous foam pad 1, a first elastic sealing film made of rubber 3 is disposed on the outer side of the soft porous foam pad 1, a sealing opening 3a, to allow the drain tube 2 to extend outwards, it is formed on the first elastic seal film made of rubber 3, the diameter of the opening part of the seal opening 3a is smaller than the diameter of the drain tube 2 corresponding. The vacuum-sealed drainage device used in the perineum further comprises an insertion catheter in anus 11, a fourth elastic sealing film made of rubber 3 is arranged in the position where the insertion catheter in anus 11 penetrates a vacuum area of the device for drainage with vacuum sealing and is provided with a sealing opening 3a in the shape of a vertical tubular orifice, the sealing opening 3a with the shape of a vertical tubular orifice is fitted into the insertion catheter in anus 11, and the fourth plastic film of seal made of rubber 3 is placed on the first elastic seal film made of rubber 3 or is placed directly on the soft porous foam pad 1 for a seal in the form of a cover. A discharge tube 7 is disposed in the drain tube 2, one end of the discharge tube 7 extends into the drain tube 2, the other end of the discharge tube 7 is directed outwards from the side wall at the end of the drain pipe 2 and a sealing cap 7a is disposed at the end of the discharge pipe 7.
    [0056] [056] The sealing opening 3a with vertical tubular orifice shape of the fourth elastic rubber sealing film 3 takes the form of an inverted horn, the diameter d1 of the opening part of the tubular orifice is less than 1-2 mm smaller than the outer diameter of the insertion catheter in anus 11, and the diameter d2 of the lower part of the tubular orifice is 2-6 mm larger than the corresponding catheter for insertion in anus 11.
    [0057] [057] As shown in FIG. 13, a ring-shaped rubber bag filled with air or liquid 11a is disposed on the outer side at the front end of the anus insertion catheter 11, parallel to the anus insertion catheter 11, an air guide tube or liquid 11b, the front end of the air or liquid guide tube 11 b communicates with the rubber bag filled with air or liquid 11a, the rear end of the air or liquid guide tube 11b extends out of the rear end of the air catheter insertion in anus 11 and a sealing cap 11c is placed at the rear end of the air or liquid guide tube 11b. The liquid guide tube 11b can also be arranged on the inner wall of the insertion catheter in the anus 11. In the VDS treatment (vacuum-sealed drainage), the insertion catheter in the anus is additionally placed so that the normal physiological excretion of the patients are not affected, the excrement of excrement and the contamination of the wound are effectively avoided, the incidence rate of infection is effectively reduced and the healing time of the injuries is reduced.
    [0058] [058] In conclusion, deftly solve the difficult problem (air leakage), not solved for a long period of time, by sealing part of the puncture tube of the device for drainage with vacuum sealing, under the elasticity of an elastic material , is the essence of the vacuum-sealed drainage device. In a set of vacuum sealed drainage devices, one or more can be used as needed, and vacuum sealed drainage devices of different sizes and shapes can be used alternatively, since the sealed drainage device vacuum is extremely flexible to use. Therefore, under the premise of not changing the principle of the vacuum-sealed drainage device, any changes or deformations will be within the scope of protection of the invention.
    权利要求:
    Claims (14)
    [0001]
    MEDICAL DEVICE FOR DRAINAGE WITH VACUUM SEALING comprising: a soft pad of porous foam (1); and a drain tube (2) disposed on the soft porous foam pad (1) and provided with an end extending outward from the soft porous foam pad (1); characterized by the fact that an elastic sealing film made of rubber (3) is arranged on the outer side of the soft porous foam cushion (1); a sealing opening (3a), to allow the drain pipe (2) to extend outwards, is formed on the elastic sealing film made of rubber (3); the diameter of the opening part of the sealing opening (3a) is smaller than the outside diameter of a corresponding extension tube; and a discharge pipe (7) is disposed in the drain pipe (2), one end of the discharge pipe (7) extends into the drain pipe (2), the other end of the discharge pipe (7) is directed outwardly from the side wall at the end of the drain pipe (2), and a sealing cap (7a) is arranged at the end of the discharge pipe (7).
    [0002]
    MEDICAL DEVICE FOR VACUUM SEALED DRAINAGE according to claim 1, characterized by the fact that the sealing opening (3a), used to allow the drainage tube (2) to extend outwards and formed on the elastic film of seal made of rubber (3), it is a circular hole, the diameter of which is 0.3-4 mm smaller than the outside diameter of a corresponding extension tube.
    [0003]
    MEDICAL DEVICE FOR VACUUM SEALED DRAINAGE according to claim 1, characterized by the fact that the sealing opening (3a), used to allow the drainage tube (2) to extend outwards and formed on the elastic film of seal made of rubber (3), it is a tubular hole, and the diameter of the opening part is 0.3-2 mm smaller than the outside diameter of a corresponding extension tube.
    [0004]
    MEDICAL DEVICE FOR VACUUM SEALED DRAINAGE according to claim 3, characterized by the fact that the sealing opening (3a), used to allow the tubes to extend outwards and formed on the elastic sealing film made of rubber ( 3), it is a tubular orifice, the tubular orifice takes the form of an inverted horn, the diameter of the opening part of the tubular orifice is 1-2 mm smaller than the outer diameter of the drain tube (2), and the diameter the bottom of the tubular orifice is 2-6 mm larger than the outside diameter of the drain pipe (2).
    [0005]
    MEDICAL DEVICE FOR VACUUM SEALED DRAINAGE according to either of claims 3 or 4, characterized by the fact that the sealing opening (3a), used to allow the tubes to extend outwards and formed on the elastic sealing film made of rubber (3), it is a tubular hole, an angle of 15-90 ° is included between the sealing opening (3a) and a main body of the elastic sealing film made of rubber (3).
    [0006]
    MEDICAL DEVICE FOR VACUUM SEALED DRAINAGE according to either of claims 1 or 2, characterized in that a plurality of small holes (2a) are formed in the side wall of the drain pipe (2).
    [0007]
    MEDICAL DEVICE FOR VACUUM SEALED DRAINAGE according to either of claims 3 or 4, characterized by the fact that a plurality of small holes (2a) are formed in the side wall of the drain pipe (2).
    [0008]
    MEDICAL DEVICE FOR VACUUM SEALED DRAINAGE according to either of claims 1 or 2, characterized by the fact that a single or a plurality of drainage tubes (2) is employed; multiple drain tubes (2) are arranged regularly with a distance of 25-35 mm between each of the tubes and are connected via a multi-way connector.
    [0009]
    MEDICAL DEVICE FOR VACUUM SEALED DRAINAGE according to any one of claims 3 or 4, characterized by the fact that a single or a plurality of drain pipes (2) is employed; multiple drain tubes (2) are arranged regularly with a distance of 25-35 mm between each of the tubes and are connected via a multi-way connector.
    [0010]
    Orthopedic drainage device with vacuum seal comprising: a soft pad of porous foam (1), and a drain tube (2) arranged on the soft porous foam pad and provided with an end extending outward from the soft porous foam pad (1); characterized by the fact that a first elastic sealing film made of rubber (3) is arranged on the outer side of the soft porous foam cushion (1), a sealing opening (3a), to allow the drain pipe (2) extends outwards, it is formed in the elastic sealing film made of rubber (3), the diameter of the opening part of the sealing opening (3a) is smaller than the outer diameter of the corresponding drain pipe (2); a second elastic sealing film made of rubber (3) and a third elastic sealing film made of rubber (3) are arranged on the puncture needles (9a) connected to the orthopedic external fixation device (9), sealing openings (3a ) with the shape of vertical tubular orifice are formed on the second elastic sealing film made of rubber (3) and on the third elastic sealing film made of rubber (3), and fitted over the two puncture needles (9a), respectively; the second and third elastic sealing films made of rubber (3) are placed on the first rubber sealing film (3) or are placed directly on the soft porous foam pad (1) to seal as a cover; and a discharge pipe (7) is disposed in the drain pipe (2), one end of the discharge pipe (7) extends into the drain pipe (2), the other end of the discharge pipe (7) is directed outwardly from the side wall at the end of the drain pipe (2), and a sealing cap (7a) is arranged at the end of the discharge pipe (7).
    [0011]
    Device according to claim 10, characterized in that the sealing opening (3a), used to allow the drain pipes (2) to extend outwards and formed on the elastic sealing film made of rubber (3) , is a tubular orifice, an angle of 15-90 ° is included between the tubular orifice and a main body of the elastic sealing film made of rubber (3).
    [0012]
    Device according to either claim 10 or claim 11, characterized in that the vertical tubular orifice sealing opening over the second and third elastic rubber sealing films (3) takes the form of an inverted horn , the diameter of the opening part of the tubular orifice is 0.3-2 mm smaller than the outer diameter of the puncture needles (9a), and the diameter of the bottom of the tubular orifice is 2-6 mm greater than the diameter of the corresponding puncture needles (9a).
    [0013]
    Drainage device with vacuum seal used in the perineum comprising a soft pad of porous foam (1), and a drain tube (2) arranged on the soft porous foam pad (1) and provided with an end extending outward from the soft porous foam pad (1); characterized by the fact that a first elastic sealing film made of rubber (3) is arranged on the outer side of the soft porous foam pad (1), a sealing opening (3a), to allow the drain pipe (2) to extend outwards , is formed on the elastic sealing film made of rubber (3), and the diameter of the opening part of the sealing opening (3a) is smaller than the outer diameter of the corresponding drain pipe (2); the vacuum sealed drainage device used in the perineum further comprises an insertion catheter in the anus (11), a fourth elastic sealing film made of rubber (3) is arranged in the position where the insertion catheter in the anus (11) penetrates a vacuum area of the vacuum-sealed drainage device, and is provided with a vertical tubular orifice sealing opening (3a), the vertical tubular orifice sealing opening (3a) is fitted over the insertion into the anus (11), and the fourth elastic sealing film made of rubber (3) is placed on the first elastic sealing film made of rubber (3) or is placed directly on the soft porous foam pad (1) to seal in the form of cover; and a discharge pipe (7) is disposed in the drain pipe (2), one end of the discharge pipe (7) extends into the drain pipe (2), the other end of the discharge pipe (7) is directed outwardly from the side wall at the end of the drain pipe (2), and a sealing cap (7a) is arranged at the end of the discharge pipe (7).
    [0014]
    A device according to claim 13, characterized by the fact that a rubber bag with an annular shape filled with air or liquid (11a) is arranged on the outer side at the front end of the insertion catheter in the anus, a guide tube is also arranged air or liquid (11b) parallel to the anus insertion catheter (11); and the front end of the air or liquid guide tube (11b) communicates with the rubber bag filled with air or liquid (11a), the rear end of the air or liquid guide tube (11b) extends out of the rear end of the insertion catheter in the anus (11) and a sealing cap (11c) is disposed at the rear end of the air or liquid guide tube (11b).
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    同族专利:
    公开号 | 公开日
    RU2559184C2|2015-08-10|
    MX2012011001A|2013-02-27|
    SG184164A1|2012-10-30|
    BR112012024080A2|2016-08-30|
    WO2011116691A1|2011-09-29|
    MX335970B|2016-01-06|
    CA2793955C|2018-01-16|
    RU2012144010A|2014-04-27|
    EP2550990A4|2018-02-28|
    JP2013521954A|2013-06-13|
    EP2550990B1|2020-05-06|
    KR101484047B1|2015-01-19|
    KR20120139816A|2012-12-27|
    CA2793955A1|2011-09-29|
    US20130023842A1|2013-01-24|
    EP2550990A1|2013-01-30|
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    法律状态:
    2019-01-08| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2019-09-17| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-06-02| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2020-07-21| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 23/03/2011, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    CN201010132585A|CN101829388A|2010-03-23|2010-03-23|Negative pressure closed drainage device|
    CN201010132585.4|2010-03-23|
    CN2010102215692A|CN101904768B|2010-06-29|2010-06-29|Vacuum sealing drainage system|
    CN201010221569.2|2010-06-29|
    CN2010202525406U|CN201744062U|2010-06-29|2010-06-29|Sealing rubber ring for sealed connecting negative-pressure closed drainage device and orthopaedic needle and drainage system|
    CN201020252540.6|2010-06-29|
    CN201120005386.7|2011-01-10|
    CN2011200053867U|CN201959394U|2011-01-10|2011-01-10|Negative pressure sealing drainage system for perineum and special anal sticking catheter thereof|
    PCT/CN2011/072066|WO2011116691A1|2010-03-23|2011-03-23|Medical vacuum sealing drainage device|
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