• 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:
    14 Abstract The present invention describes a cleaning device 1 comprising twocombined main parts 2, 3, the first main part 2 being a handle shaft 2 which isstiff, p|astic deformable or elastic deformable, the second main part 3 being atleast one cleaning element 4 comprising a base part 5 and several bristles 6,bristle loops 7 or a cam 8 of spikes 9, wherein the base part 5 is joinedtogether with the handle shaft 2 and around the handle shaft 2 so as to form acleaning device 1 with a handle. Elected for publication: fig. 5
    公开号:SE1050570A1
    申请号:SE1050570
    申请日:2010-06-03
    公开日:2011-12-04
    发明作者:Robert Axelsson；Lars-Magnus Bjursten；Niklas Johansson；Erik Lennings；Janarne Wetterheim
    申请人:Tigran Technologies Ab Publ；
    IPC主号:
    专利说明:

    CLEANING DEVICE Field of invention The present invention relates to a cleaning device, particular a cleaningdevice intended for medical applications, such as e.g. for cleaning an implantor for the debridement of an implant surface.
    Technical Background Different forms of cleaning devices, such as brushes, have been longknown. One such type is the brushes configured as the so called twisted-in-wire brushes. For example in WO 2009/083281 there is described a medicalcleaning tool comprising an elongated base member formed of at least twowires being twisted with each other, i.e. the tool has a twisted-in-wire configu-ration. Moreover, the cleaning tool comprises a plurality oftitanium or titaniumalloy bristles fixed between the twisted wires and extending away from thetwisted wires.
    There are several drawbacks with the brush described inWO2009/083281. The first thing is related to the manufacturing process.When producing a twisted-in-wire brush, the bristles have to be appliedsequential, i.e. one bristle after another. This drawback is in fact also valid forother types of known brushes. Moreover, in view of the specific twisted-in-wire configuration, the stem needs to meet stringent mechanical requirementsto retain the bristles and this makes the stem very inflexible.
    One object of the present invention is to provide a cleaning devicewhich is easy and as such inexpensive to produce. Another object of the pre-sent invention is to provide a cleaning device concept having high customerflexibility, i.e. which is possible to use for producing cleaning devices withdifferent properties depending on the customer needs.
    Summary of invention The objects of the present invention are solved by a cleaning devicecomprising two combined main parts,the first main part being a handle shaft which is stiff, plastic deformable orelastic deformable; 2the second main part being at least one Cleaning element comprising a base part and several bristles, bristle loops or a cam of spikes; wherein the base part is joined together with the handle shaft and around the handleshaft so as to form a cleaning device with a handle.
    As may be noted above, the cleaning device according to the presentinvention comprises two main parts. This fact and also how these two mainparts are joined together render many advantages. Firstly, it is according tothe present invention possible to produce a cleaning device having a handlewhich is stiff, plastic deformable or elastic deformable. This is not possible fore.g. a twisted-in-wire brush with its twisted configuration. A twisted-in-wirebrush may only be produced to be stiff or plastic deformable. Moreover, whena twisted-in-wire brush is bent, if being plastic deformable, it may not achievea symmetrical rotation axis. That is, it may not be rotated symmetrically afterbeing bent. However, with the cleaning device according to the presentinvention, the material of the handle can be chosen freely to achieve thedesired properties of the handle, i.e. the configuration is not limiting in anyway. Secondly, when producing the cleaning device according to the presentinvention, no such limiting factor such as the provision of bristles one by oneis needed. The second main part should instead only be joined together withthe handle and the cleaning device is thereby produced. As an example,according to the present invention, it is possible to produce a cleaning devicewhich is both elastic deformable and which also has a symmetrical rotationaxis while being bent.
    Brief description of the drawinqs Fig. 1 shows a second main part, namely a cleaning element of acleaning device according to the present invention. ln this case the cleaningelement comprises a base part and a cam of spikes.
    Fig. 2 shows the same cleaning element as in fig. 1, however in thiscase the cam of spikes, except the two end spikes, have been bent beforebeing wound around a handle shaft to form a cleaning device according to the present invention. 3Fig. 3 shows the winding of the cleaning element according to fig. 1 and 2 around a handle shaft to form a cleaning device according to thepresent invention. ln fig. 4 the winding is completed and a cleaning deviceaccording to the present invention is produced.
    Also fig. 5 shows the same cleaning device as in fig. 4, however in thiscase the cleaning device has been bent, such as before use or during use.
    Fig. 6 shows another cleaning element according to the present inven-tion. ln this case the cleaning element comprises a base part and severalbristles, but also a form of an end spike.
    Fig. 7 shows the winding of a cleaning element according to fig. 6around a handle shaft to form a cleaning device according to the presentinvenfion.
    Fig. 8 shows another specific embodiment of the present invention. lnthis case the cleaning device comprises a handle shaft and several cleaningelements, in this case in the shape of “throwing stars”, which are joinedtogether with the handle shaft and around the handle shaft. ln fig. 8 one of the“throwing stars” is already been joined together with the handle shaft andanother one, also depicted, is just about to be joined together with the handleshafi.
    Specific embodiments of the invention One advantage with the cleaning device according to the presentinvention is the possibility of using different types of handle shafts. Accordingto one specific embodiment of the present invention, the handle shaft is stiff.Possible materials for such a handle shaft are e.g. wood, metal or rigid plasticmaterials. With “stifF' herein is meant “non-deformable”. According to anotherspecific embodiment of the present invention, the handle shaft is plastic defor-mable. According to this embodiment, the handle shaft is possible to bend toa new shape without being flexed back to its original shape. According to yetanother specific embodiment of the present invention, the handle shaft iselastic deformable, i.e. the handle shaft is possible to bend but it flexes backto its original shape afterwards. This may according to the present be advan-tageous for some specific applications, such as when used for e.g. cleaning implant surfaces which are difficult to get into contact with. One material 4which is suitable to use when the handle shaft should be elastic deformable is nitinol, which is a nickel/titanium alloy.
    Also the second main part of the cleaning device may comprise diffe-rent materials. According to one specific embodiment of the present invention,the base part is made of a metal, metal alloy or a polymeric material. Accor-ding to another embodiment, the base part is made of titanium or an alloythereof, tantalum or an alloy thereof, niobium or an alloy thereof, or zirconiumor an alloy thereof. These materials are particularly suitable for cleaning devi-ces intended for cleaning or debriding an implant surface. As many implantsmay comprise these materials, especially dental implants, it may be preferredto have a cleaning device with a second main part with e.g. bristles or a camof spikes according to the present invention also being made of these mate-rials. When such a cleaning device according to the invention is used for clea-ning or debridement of an implant surface, there is minimal risk of contamina-tion of the implant from the cleaning device comprising the same material asthe implant.
    According to one specific embodiment of the present invention, thebristles, bristle loops or cam of spikes are made of a metal, metal alloy or apolymeric material. As may be understood from above, according to oneembodiment, the bristles, bristle loops or cam of spikes are made of titaniumor an alloy thereof, tantalum or an alloy thereof, niobium or an alloy thereof, orzirconium or an alloy thereof. As is evident from above, the entire secondmain part may be made of one and the same material, such as e.g. titaniumor a titanium alloy. Therefore, according to one embodiment of the invention,the cleaning element with its base part and several bristles, bristle loops or acam of spikes is made in one piece. lt is important to understand that the bristles, bristle loops or cam ofspikes may have any shapes according to the present invention. Forexample, the expression “bristles” should be interpreted to imply any shapeslike tips, spikes, points or the like. The common feature for the bristles, bristleloops or cam of spikes in relation to the present invention are that theyprotrude out from the handle shaft of the cleaning device when the cleaning element have been joined together with the handle shaft. The expression 5“bristles” should thus not be confused to only imply typical shaped bristles on a standard brush. Moreover, as mentioned above, bristles of known brusheshave been applied one by one, which is not the case in relation to the bristles,spikes, tips etc. according to the present invention. Furthermore, as disclosedbelow, the bristles or bristles loops according to the present invention mayalso be seen as cutting elements as they are possible to provide so that theyare flexible or resilient in one rotation direction of the cleaning device but stiffand cutting in the other rotation direction.
    Moreover, it is important to understand that the cleaning deviceaccording to the present invention also may comprise several cleaningelements. One such example is a cleaning device having several cleaningelements e.g. in the form of rings with projecting tops (“throwing stars", seefig. 8) being fixated around the handle shaft at different positions along thehandle shaft. Another example is a cleaning device according to the inventionhaving e.g. two cleaning elements forming a double helix around the handleshaft when the cleaning elements are coiled around the handle shaft.Nevertheless, in all possible embodiments according to the present invention,at least one cleaning element comprising a base part and several bristles,bristle loops or a cam of spikes is joined together via the base part with thehandle shaft and around the handle shaft so as to form the cleaning device.
    As is evident from above, the cleaning element may be in differentshapes. According to one specific embodiment of the present invention, thecleaning element is in the form of a strip which is wound around the handleshaft to be joined together with the same. Bringing the strip together with thehandle shaft may be performed in different ways. One example is by adhe-sion using some form of adhesive substance, such as different glues. Anotherexample is by welding or fusing. Moreover, the handle shaft may be providedwith slits, grooves, hacks or indents so that a strip may be fastened orpinched to the handle shaft by use of the slits, grooves, hacks or indents. lfthe cleaning elements are in the form of e.g. “throwing stars” rings, the handleshaft may also be provided with e.g. slits, grooves, hacks, indents or protru-ding portions which are flexible in only one direction, so that the rings may med fixated along the handle shaft. 6According to one specific embodiment of the present invention, when the cleaning element is in the form of a strip, the cleaning element comprisesa cam of spikes, each spike extending from the base part. This is shown inthe figures. According to one specific embodiment, the length of the spikes isdifferent. This embodies all kind of different configurations of the cam ofspikes to give the cleaning device different diameters along the shaft, such asa concave shape, convex shape or a totally irregular shape where longerspikes are followed by shorter spikes which again are followed by longerspikes, etc. According to yet another embodiment of the present invention,the length of the spikes decreases from one end of the base part towards theother end of the base part. According to another specific embodiment, thelength of the spikes increases from one end of the base part towards theother end up to a point along the base part and thereafter decreases. Further-more, according to one specific embodiment of the present invention, at leastone end spike is provided to extend essentially in the same direction as thelength axis of the handle shaft. This is shown in the figures. As may be seen,the end spike or end spikes have an angled direction in comparison to theother spikes of the cam. Moreover, as shown in the figures, they may belonger than the other spikes. These end spikes are directed so that when thestrip is coiled around the handle shaft, the end spikes will extend essentiallyin the same direction as the length axis of the handle shaft. One could saythat they form a starting point for the coiling or winding of the strip around thehandle shaft during the production of the cleaning device.
    According to another embodiment of the present invention, there areprovided bristles or bristle loops on the cleaning element. Also in this caseone could say that the cleaning element is in the form of a strip, however, inthis case there is no cam of spikes protruding in the same plane as the cam.According to this embodiment, the bristles or bristle loops protrude from thesurface of the strip. The bristle or bristle loops may be protruding from thesurface of the cleaning element before the cleaning element is joined togetherwith the handle shaft. However, according to one embodiment of the presentinvention, the bristles or bristle loops are folded out extending from the cleaning element when the cleaning element is wound around the handle 7shaft to be joined together with the same. According to this embodiment, the bristle or bristle loops are lying on the surface of the cleaning element beforethe joining, but will fold out when the coiling or winding is made. According toone specific embodiment, the strip forming the cleaning element has anextended portion on one end. This extended portion also forms a startingpoint for the winding around the handle shaft of such a form of strip orcleaning element according to the invention. Such an extended portion is alsoshown in the figures. ln this context it is important to understand that the partsforming the bristles may protrude from either the edge and/or the surface ofthe cleaning element according to the present invention.
    According to one specific embodiment of the present invention, thehandle shaft is hollow. Such a hollow handle shaft is intended to create apossibility to add a fluid to the site of cleaning or debridement. According toone embodiment, the handle shaft is hollow at both ends. According toanother embodiment, the handle shaft is only hollow from the fluid feedingend along the handle shaft, but not hollow at the other end of the handleshaft. However, according to this embodiment, the handle shaft has severalperforations along the handle shaft allowing the fluid to be added to the site ofcleaning or debridement from the hollow handle shaft. Different fluids may bepossible to add, such as flushing fluids, medical cleaning fluids, sterilizationfluids, and medicaments, etc. Specific examples are water, sterilized brinesolutions, hydrogen peroxide solution, antibiotics, weak acid solutions ordiluted hydrogen fluoride solution.
    Moreover, the cleaning device according to the present invention maybe adapted so that it can be connected to a rotation device. For example, thehandle may have some kind of connection means which is intended to beconnected into a motor-driven rotation unit, such as a contra-angle hand-piece. The cleaning device according to the present invention may thus beused manually or together with a rotation unit, e.g. via an adapter or aconnection means.
    The cleaning device components, i.e. the first and second main part,may be produced with known technologies, such as by casting, etching or 8e.g. injection moulding or extrusion for plastic materials. Moreover, wire drawing is also possible, such as in the case of nitinol wire.
    The cleaning device according to the present invention finds manydifferent uses. Cleaning devices according to the present invention may beused for different industrial applications, however the main focus is for medi-cal purposes. The cleaning device according to the present invention maye.g. be used for cleaning of surfaces and holes in the dentistry. One specificintended use is for the cleaning of an implant surface or for the debridementof an implant surface, particularly for dental implants.
    Detailed description of the drawinqs Fig. 1 shows a second main part 3 being a cleaning element 4 accor-ding to the present invention. The cleaning element 4 comprises a base part 5and a cam 8 of spikes 9. Two end spikes 11 are provided on one end of thecleaning element 4. Moreover, the cleaning element 4 is in the form of a strip10 which is intended to be wound around a handle shaft 2 to be joinedtogether with the handle shaft 2.
    Fig. 2 shows the same cleaning element 4 as in fig. 1, however in thiscase the cam 8 of spikes 9, except the two end spikes 11, have been bent.
    Fig. 3 shows the winding of the cleaning element 4 in fig. 2, where thecam 8 of spikes 9 has been bent around a handle shaft 2 to form a cleaningdevice 1 according to the present invention. The end spikes 11 are providedso that they extend essentially in the same direction as the length axis 12 ofthe handle shaft 2. ln fig. 4, the winding is completed and a cleaning device 1according to the present invention has been produced.
    Also fig. 5 shows the same cleaning device 1 as in fig. 4, however inthis case the cleaning device 1 has been bent, such as before use or duringuse. This implies that the handle shaft 2 in this case is either plastic defor-mable and e.g. made of titanium or an alloy thereof, tantalum or an alloythereof, niobium or an alloy thereof, or zirconium or an alloy thereof, or elasticdeformable and e.g. made of nitinol.
    Fig. 6 shows another cleaning element 4 according to the presentinvention. ln this case the cleaning element 4 comprises a base part 5 and several bristles 6. The cleaning element 4 forming a strip 10 which is intended 9to be wound around a handle shaft 2 also comprises an end spike 11. lt is important to realize that the bristles 6 could be joined bristle loops 7 instead,and that such a cleaning element 4 having several bristle loops 7 also is partof the scope of the present invention. Moreover, the bristles 6 may have anyshape according to the present invention.
    Fig. 7 shows the winding of a cleaning element 4 according to fig. 6around a handle shaft 2 to form a cleaning device 1 according to the presentinvention. As may be seen, the end spike 11 is provided so that is extendsessentially in the same direction as the length axis 12 of the handle shaft 2.Moreover, in this case, during the winding of the cleaning element 4 aroundthe handle shaft 2, the bristles 6 are prone to bent outwards so that the brist-les 6 extend out from the handle shaft 2. As may be understood from fig. 7,the bristles 6 may be provided to be flexible or resilient in one rotation direc-tion but stiff and cutting in the other rotation direction of the handle shaft 2.
    Fig. 8 shows another specific embodiment of the present invention. lnthis case the cleaning device 1 comprises a handle shaft 2 and severalcleaning elements 4, in this case in the shape of “throwing stars”. Thecleaning elements 4 are joined together with the handle shaft 2 and aroundthe handle shaft 2. Each cleaning element 4 has a base part 5. Moreover, inthis case, each cleaning element 4 also has a cam 8 of spikes 9. Othershapes are of course also possible. ln fig. 8 one of the “throwing stars” isalready been joined together with the handle shaft 2 and another one, alsodepicted, is just about to be joined together with the handle shaft 2. lt isimportant to realize that also other cleaning devices 1 having several cleaningelements 4 are possible according to the present invention. One example is adouble helix where two strips 10 like the one showed in fig. 1 and 2 arewound around the handle shaft 2.
    Conclusions The cleaning device according to the present invention has manyadvantages. Firstly, the handle may be stiff, plastic deformable or elasticdeformable, which is not possible with other known brush productionconcepts, such as e.g. a twisted-in-wire brush. Secondly, the concept of having two different main parts being joined together as to form the cleaning device provides an easy and inexpensive production mode in comparison to the adhesion of bristles one by one. Moreover, this concept according to thepresent invention, enables e.g. a cleaning device which is symmetricallyrotatable also in bent state during use to be produced. This is not possiblewith e.g. the twisted-in-wire production mode. Moreover, according to thepresent invention, the liberty of designing the second main part, which is theactual cleaning part, for specific purposes and applications is very large. Asan example, according to the present invention it is possible to provide acleaning device having a cleaning element comprising bristles or bristle loopswhich are flexible or resilient in one rotation direction but stiff and cutting inthe other rotation direction.
    权利要求:
    Claims (21)
    [1] 1. Cleaning device (1) comprising two combined main parts (2, 3), the first main part (2) being a handle shaft (2) which is stiff, plastic deformableor elastic deformable; the second main part (3) being at least one cleaning element (4) comprising abase part (5) and several bristles (6), bristle loops (7) or a cam (8) of spikes(9): wherein the base part (5) is joined together with the handle shaft (2) and around thehandle shaft (2) so as to form a cleaning device (1) with a handle.
    [2] 2. Cleaning device (1) according to claim 1, wherein the handle shaft (2) isstiff.
    [3] 3. Cleaning device (1) according to claim 1, wherein the handle shaft (2) isplastic deformable.
    [4] 4. Cleaning device (1) according to claim 1, wherein the handle shaft (2) is elastic deformable.
    [5] 5. Cleaning device (1) according to claim 4, wherein the handle shaft (2) iselastic deformable and made of nitinol.
    [6] 6. Cleaning device (1) according to anyone of claims 1-5, wherein the basepart (5) is made of a metal, metal alloy or a polymeric material.
    [7] 7. Cleaning device (1) according to claim 6, wherein the base part (5) is madeof titanium or an alloy thereof, tantalum or an alloy thereof, niobium or an alloy thereof, or zirconium or an alloy thereof.
    [8] 8. 128. Cleaning device (1) according to anyone of the preceding claims, wherein the bristles (6), bristle loops (7) or cam (8) of spikes (9) are made of a metal, metal a|oy or a polymeric material.
    [9] 9. Cleaning device (1) according to claim 8, wherein the bristles (6), bristleloops (7) or cam (8) of spikes (9) are made of titanium or an a|oy thereof,tantalum or an a|oy thereof, niobium or an a|oy thereof, or zirconium or an a|oy thereof.
    [10] 10. Cleaning device (1) according to anyone of the preceding claims, whereinthe cleaning element (4) with its base part (5) and several bristles (6), bristleloops (7) or a cam (8) of spikes (9) is made in one piece.
    [11] 11. Cleaning device (1) according to anyone of claims 1-10, wherein thecleaning device (1) comprises several cleaning elements (4).
    [12] 12. Cleaning device (1) according to anyone of claims 1-10, wherein thecleaning element (4) is in the form of a strip (10) which is wound around thehandle shaft (2) to be joined together with the same.
    [13] 13. Cleaning device (1) according to claim 12, wherein the cleaning element(4) comprises a cam (8) of spikes (9), each spike (9) extending from the basepart (5).
    [14] 14. Cleaning device (1) according to claim 13, wherein the length of thespikes (9) is different.
    [15] 15. Cleaning device (1) according to claim 13 or 14, wherein the length of thespikes (9) decreases from one end of the base part (5) towards the other endof the base part (5).
    [16] 16. 1316. Cleaning device (1) according to claim 13 or 14, wherein the length of the spikes (9) increases from one end of the base part (5) towards the other endup to a point along the base part (5) and thereafter decreases.
    [17] 17. Cleaning device (1) according to anyone of claims 12-16, wherein at leastone end spike (11) is provided to extend essentially in the same direction asthe length axis (12) of the handle shaft (2).
    [18] 18. Cleaning device (1) according to claim 12, wherein there are provided bristles (6) or bristle loops (7) on the cleaning element (4).
    [19] 19. Cleaning device (1) according to claim 18, wherein the bristles (6) orbristle loops (7) are folded out extending from the cleaning element (4) whenthe cleaning element (4) is wound around the handle shaft (2) to be joined together with the same.
    [20] 20. Cleaning device (1) according to claim 18 or 19, wherein the strip (10)forming the cleaning element (4) has an extended portion on one end.
    [21] 21. Cleaning device (1) according to anyone of the preceding claims, whereinthe handle shaft (2) is hollow.
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    法律状态:
    2020-01-28| NUG| Patent has lapsed|
    优先权:
    申请号 | 申请日 | 专利标题
    SE1050570A|SE535050C2|2010-06-03|2010-06-03|cleaning device|SE1050570A| SE535050C2|2010-06-03|2010-06-03|cleaning device|
    EP11790093.6A| EP2575537B1|2010-06-03|2011-06-01|Cleaning device used for cleaning an implant or for the debridement of an implant surface|
    PCT/SE2011/050684| WO2011152789A1|2010-06-03|2011-06-01|Cleaning device used for cleaning an implant or for the debridement of an implant surface|
    BR112012030427A| BR112012030427A2|2010-06-03|2011-06-01|cleaning device and use of cleaning device|
    JP2013513140A| JP6092770B2|2010-06-03|2011-06-01|Cleaning device used for implant cleaning or debridement of implant surface|
    CN201180025646.XA| CN103002767B|2010-06-03|2011-06-01|The cleaning device of the cleaning for implant or the debridement for implant surface|
    US13/701,363| US9820559B2|2010-06-03|2011-06-01|Cleaning device used for cleaning an implant or for the debridement of an implant surface|
    KR1020127031278A| KR20130120980A|2010-06-03|2011-06-01|Cleaning device used for cleaning an implant or for the debridement of an implant surface|
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