Device for blood collection and reinfusion

专利摘要:
The invention is intended to collect and reinfuse the patient’s own blood during surgery. The aim of the invention is to simplify the design. To do this, a rigid tank 5, inside of which a deformable tank 6 is located, is connected via a line 3 to a vacuum source 4, and through a pressure line 13 to a working medium source, is equipped with a device 12 for blocking the flow channel of the line, and a deformable tank 6 - two unions 9 mounted in the holes of the latter with the possibility of mounting in the nozzles of the tank 5, while the fittings 9 are made of rigid material. 1 hp f-ly, 1 ill. .V4 i
公开号:SU1637655A3
申请号:SU833593638
申请日:1983-05-16
公开日:1991-03-23
发明作者:Х.Маркс Гюнтер
申请人:Золько Базель Аг (Фирма)；
IPC主号:

专利说明:

The invention relates to devices for receiving and reinfusion of a patient’s own blood, for example, during surgery.
The aim of the invention is to simplify the design.
The drawing shows a device for receiving and reinfusion of blood.
The device consists of a reservoir 1, to which a suction head is connected through a suction line 2. In addition, the reservoir 1 can be connected to a vacuum source 4, for example, a vacuum pump, by means of a detachable vacuum-προ-ed water 3.
The tank 1 comprises a rigid external container 5 and θ ₂ raspolo- conjugated in its internal space 6. Hard deformable reservoir tank 5 to the ends of face comprises passage openings 7 or 8, which, depending on the transmission and vi- 25 extend at a certain distance. The deformable tank 6 contains fittings 9 made of rigid polymer material welded to its opposite ends, jq to which suction line 2 or vacuum wire 3 can be connected using suitable hose couplings 3. The inner surface of the through holes 7 and 8 of the rigid tank 5 forms the side of the nozzle 9 is a closed space 10. The seal is provided by welding, gluing or using pressed seals, etc. Thus, access to the space U between the deformable 6 and the rigid 5 tanks is provided through the pipe 11, which is provided in the wall of the hard tank 5. The pipe 11 is locked by means of a device 12 for blocking the passage channel (removable cover), and after removal of the cover 12 can be a pressure line 13 connected to a source of the working medium is connected.
The rigid tank 5 is equipped with a scale 14 provided for reading values corresponding to the degree of filling of the tank. The wall thickness and the material from which the tank is made are selected in such a way that the latter can withstand the effects of the arising pressures both from the outside and from the inside without deformation due to the mass. The reservoir 6, on the contrary, consists of a thin and easily folding or deformable polymer film, for example polyethylene.
A device for receiving and reinfusion of blood works as follows.
As a result of exposure to vacuum inside the deformable reservoir 6, the patient's blood is sucked into this reservoir. Due to the fact that the space 10 is also evacuated, deformation of the tank 6 does not occur and it retains, basically, the position shown in the drawing. If the deformable reservoir 6 and, therefore, the reservoir 5 are completely filled or all the existing blood accumulations are completely aspirated, then the suction line 2 is locked with a clamp, and instead of the vacuum conduit 3, the set of tools necessary for reinfusion under pressure with a pre-connected blood filter, connects to the corresponding connecting nipple 9. The needle of the set of instruments necessary for reinfusion under pressure is previously inserted into the blood vessel atsienta and fixed it. After that, the cover 12 is removed from the nozzle 11 or the connection with the vacuum source 4 is disconnected, and pressure line 13 is connected instead of it. Due to the adjustable supply of the working medium, for example compressed gas, into space 10, pressure can be applied to the deformable reservoir 6, which is appropriate acts on the blood contained in it and provides, depending on the pressure, the blood supply to the patient for a shorter or longer time.
i.
After emptying the deformable tank 6 by reapplying vacuum to the space through the pipe 11, it stretches to its original undeformed state.
Thus, a simplification of the design of the device for receiving and reinfusion of blood is provided.

权利要求:
Claims (1)
[1]
Claim
1 о Device for receiving and reinfusion of blood, containing a rigid reservoir with two holes, one of which is made with the possibility of connecting to the blood line, and a pipe with a passage channel for connecting to a vacuum or overpressure source, as well as a deformable reservoir with two holes, mounted inside a rigid reservoir and made in the form of the inner space of this reservoir, the edges of the holes of the deformable reservoir being connected to the edges of the openings of the rigid reservoir, and the closed transtvo addressing Izuemoe deformi1ruemogo the outer surface of the tank and the inside of | the hard surface of the tank, co-
5 is single with the passage channel of the nozzle, characterized in that, in order to simplify the design, the second hole of the rigid reservoir is configured to be connected to a vacuum source, the nozzle is equipped with a device for blocking the passage, and the deformable reservoir with the holes is provided with U two fittings, the fittings being installed in holes with the possibility of mounting in the nozzles of a rigid tank.
20 2. The device according to p. 1, characterized in that the fittings are made of rigid material.

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同族专利:

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AT30845T|1987-12-15|

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法律状态:

优先权:

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申请号 | 申请日 | 专利标题

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DE3218561A|DE3218561C2|1982-05-17|1982-05-17|Device for taking up and reinfusing blood|

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