CN202526293U - Novel screw taking device of orthopedic slipped screw - Google Patents
Novel screw taking device of orthopedic slipped screw Download PDFInfo
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- CN202526293U CN202526293U CN2012200837351U CN201220083735U CN202526293U CN 202526293 U CN202526293 U CN 202526293U CN 2012200837351 U CN2012200837351 U CN 2012200837351U CN 201220083735 U CN201220083735 U CN 201220083735U CN 202526293 U CN202526293 U CN 202526293U
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- nail
- fetching
- screw
- distal tip
- gag
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Abstract
The utility model relates to the field of medical apparatuses and discloses a novel screw taking device of an orthopedic slipped screw. The novel screw taking device has the advantages of being high in success rate, free of bone destruction, convenient to operate, short in time consumption, free of metal scraps increase and the like, reducing pains and complication of a patient, reducing labor intensity of medical workers and improving working efficiency. The novel screw taking device comprises a screw taking device (1), an opener (2) and/ or a deepening device (3), the screw taking device (1), the opener (2) and the deepening device (3) are respectively and movably formed by freely connecting a T-shaped handle (4) and a connection rod (5) through the movable connection end (45). Working tail ends (6) on the connection rods (5) of the screw taking device (1), the opener (2) and the deepening device (3) are different.
Description
Technical field
This utility model relates to medical instruments field, particularly a kind of nail technology of getting to orthopedic slipped screw.
Background technology
Interior hexagonal structure screw is widely used at clinical orthopaedics, various orthopedic from the fixation of fractures to orthopaedics, and screw all is absolutely necessary, and the quantity of using is more, and the fixing of an operative site just needs more than ten piece sometimes.In the clinical orthopaedics operating process, the situation of screw stripped thread happens occasionally, in case the screw stripped thread will be difficult to take out, this has just increased complication and patient's misery.
The method that problem adopted that tradition solves the screw stripped thread mainly contains following several kinds:
(1) use wolfram steel to bore ailhead is ground off, remove steel plate, the reuse annular bit is removed sclerotin with fluting around the screw, is able to take out the stripped thread screw;
(2) use the wire inversion worker that screw is taken out;
(3) use bone drill punching fluting around screw,, it is stuck up so that it is loosening.
The inventor of this utility model finds that above-mentioned first method success rate is high, but length consuming time, big to bone destruction, to produce metal fillings more and in human body, be difficult to remove.The second method wound is little, but success rate is too low, be prone to produce metal fillings.The third method success rate is higher, but length consuming time, big to bone destruction, process is complicated; In a word, still there is not a kind of simple, safe and effective method taking-up stripped thread screw at present.
Summary of the invention
The purpose of this utility model is to provide a kind of device for fetching nail of novel orthopedic slipped screw; Have success rate height, no bone destruction, weak point easy and simple to handle, consuming time, do not increase advantages such as metal fillings; Patient's misery and complication had both been reduced; Reduce medical personnel's labor intensity again, improved its work efficiency.
For solving the problems of the technologies described above; The embodiment of this utility model discloses a kind of device for fetching nail of novel orthopedic slipped screw; Comprise: nail-fetching device 1, gag 2 and/or darker 3; All end 45 is connected T-handle 4 and connecting rod 5 independent assortments form by flexibly connecting for nail-fetching device 1, gag 2 and darker 3, and the working distal tip 6 on nail-fetching device 1, gag 2 and darker 3 connecting rod 5 separately is different.
This utility model embodiment compared with prior art, the main distinction and effect thereof are:
Nail-fetching device, gag and darker different working end have different functions respectively; Gag and darker be respectively applied for the opening of stripped thread screw nut groove moulding with deepen moulding; So that nail-fetching device takes out the stripped thread screw, have success rate height, no bone destruction, weak point easy and simple to handle, consuming time, do not increase advantage such as metal fillings, both reduced patient's misery and complication; Reduce medical personnel's labor intensity again, improved its work efficiency.
Flexibly connect end and flexibly connect combination T-handle and connecting rod, can reduce production cost on the one hand, be convenient to the assembling and the operation of nail-fetching device, gag and/or darker in the device for fetching nail on the other hand.
Further, the interior hexagonal bottle opener connecting rod design of hexagonal working distal tip in adopting, its shape, structure or its combination are suitable for the specification of current orthopedic steel plate screw, and be practical and can be widely used.
Further; The nail-fetching device and the current orthopaedics screw nut groove specification of hexagonal bottle opener adapt in the positive hexagon column type, and the interior hexagonal nail-fetching device of the positive hexagon column type of hexagonal working distal tip can be used for taking out the orthopaedics screw of different size or the stripped thread screw of the different degrees of wear in the positive hexagon column type of different size size.
Further; The gag of hexagonal bottle opener was used for to can't be only that to get the stripped thread screw nut slot opening of nail with nail-fetching device moulding in positive hexagon was tapered; Make nail-fetching device convenience, success, no bone destruction, weak point consuming time and do not increase metal fillings ground and take out this stripped thread screw; Thereby further reduced patient's misery and complication, reduced medical personnel's labor intensity again, improved its work efficiency.In the positive hexagon of different size size is tapered the positive hexagon of hexagonal working distal tip tapered in the hexagonal gag can the corresponding specification of supporting use nail-fetching device, being used for slight stripped thread screw to different size, to carry out opening moulding.
Further; Adjacent two concave surfaces of the darker of the interior hexagonal bottle opener of recessed hexagon column type and the interior hexagonal working distal tip of recessed hexagon column type thereof form inactive sword and are used for deepening moulding to severe stripped thread screw nut groove; Can combine the gag opening moulding; Make nail-fetching device convenience, success, no bone destruction, weak point consuming time and do not increase metal fillings ground and take out this stripped thread screw; Thereby further reduced patient's misery and complication, reduced medical personnel's labor intensity again, improved its work efficiency.The darker of hexagonal can the corresponding specification of supporting use in the recessed hexagon column type of hexagonal working distal tip in the positive hexagon of different size size was tapered nail-fetching device and gag are used for deepening moulding to the severe stripped thread screw of different size.
Further; Nail-fetching device, gag and darker T-handle size separately is identical; Through flexibly connecting end with same T-handle and connecting rod independent assortment separately; Can reduce the production of same T-handle, the intercrossing that nail-fetching device, gag and darker are used is stronger, thereby further reduces production cost.
Description of drawings
Fig. 1 (a) is the structural representation of a kind of device for fetching nail of novel orthopedic slipped screw in this utility model first embodiment;
Fig. 1 (b) is the structural representation of a kind of device for fetching nail of novel orthopedic slipped screw in this utility model first embodiment;
Fig. 1 (c) is the structural representation of a kind of device for fetching nail of novel orthopedic slipped screw in this utility model first embodiment;
Fig. 2 is the nail-fetching device structural representation of a kind of device for fetching nail of novel orthopedic slipped screw in this utility model second embodiment;
Fig. 3 is the gag structural representation of a kind of device for fetching nail of novel orthopedic slipped screw in this utility model the 3rd embodiment;
Fig. 4 is the darker structural representation of a kind of device for fetching nail of novel orthopedic slipped screw in this utility model the 4th embodiment.
The specific embodiment
In following narration, many ins and outs have been proposed in order to make the reader understand the application better.But, persons of ordinary skill in the art may appreciate that even without these ins and outs with based on the many variations and the modification of following each embodiment, also can realize each claim of the application technical scheme required for protection.
For the purpose, technical scheme and the advantage that make this utility model is clearer, will combine accompanying drawing that the embodiment of this utility model is done to describe in detail further below.
This utility model first embodiment relates to a kind of device for fetching nail of novel orthopedic slipped screw.Fig. 1 (a), Fig. 1 (b) and Fig. 1 (c) are the structural representations of the device for fetching nail of this novel orthopedic slipped screw.The device for fetching nail of this novel orthopedic slipped screw comprises: nail-fetching device 1, gag 2 and/or darker 3; All end 45 is connected T-handle 4 and connecting rod 5 independent assortments form by flexibly connecting for nail-fetching device 1, gag 2 and darker 3, and the working distal tip 6 on nail-fetching device 1, gag 2 and darker 3 connecting rod 5 separately is different.
Nail-fetching device, gag and darker different working end have different functions respectively; Gag and darker be respectively applied for the opening of stripped thread screw nut groove moulding with deepen moulding; So that nail-fetching device takes out the stripped thread screw, have success rate height, no bone destruction, weak point easy and simple to handle, consuming time, do not increase advantage such as metal fillings, both reduced patient's misery and complication; Reduce medical personnel's labor intensity again, improved its work efficiency.
Flexibly connect end and flexibly connect combination T-handle and connecting rod, can reduce production cost on the one hand, be convenient to the assembling and the operation of nail-fetching device, gag and/or darker in the device for fetching nail on the other hand.
In addition, in this utility model, flexibly connect end and can be independent of T-handle and connecting rod existence, also can be fixed on one of them of T-handle and connecting rod, be connected with another one.
When using this device for fetching nail; Can orthopaedics get the nail process according to the deformation extent of the degree of wear of the different size, the groove concave surface that are fixed on the stripped thread screw nut groove on the steel plate, groove concave surface and stripped thread screw and sclerotin combine other practical situations such as dynamics, separately concrete or cooperate and select nail-fetching device, gag and/or darker to get nail to operate.When the slight stripped thread of stripped thread screw nut; Can only select assembling to flexibly connect end, T-handle and connecting rod and form nail-fetching device, get nail through the working distal tip of nail-fetching device, when using nail-fetching device can't take out the stripped thread screw; Perhaps when the severe stripped thread appears in stripped thread screw nut; Can intersect and use gag and darker, the working distal tip through separately makes that the groove concave surface is smooth to meet the specification, and increases torsional forces and frictional force between the groove concave surface of nail-fetching device and screw nut; So that overcome the frictional force between screw and the sclerotin, just with nail-fetching device success, do not destroy sclerotin, weak point consuming time and do not increase metal fillings ground taking-up stripped thread screw.
This utility model second embodiment relates to a kind of device for fetching nail of novel orthopedic slipped screw.Fig. 2 is the nail-fetching device structural representation of the device for fetching nail of this novel orthopedic slipped screw.
Second embodiment improves on the basis of first embodiment; Main improvements are: the interior hexagonal bottle opener connecting rod design of hexagonal working distal tip in adopting; Its shape, structure or its combination are suitable for the specification of current orthopedic steel plate screw, and be practical and can be widely used.The nail-fetching device and the current orthopaedics screw nut groove specification of hexagonal bottle opener adapt in the positive hexagon column type, and the interior hexagonal nail-fetching device of the positive hexagon column type of hexagonal working distal tip can be used for taking out the orthopaedics screw of different size or the stripped thread screw of the different degrees of wear in the positive hexagon column type of different size size.Nail-fetching device, gag and darker T-handle size separately is identical; Through flexibly connecting end with same T-handle and connecting rod independent assortment separately; Can reduce the production of same T-handle; The intercrossing that nail-fetching device, gag and darker are used is stronger, thereby further reduces production cost.Specifically:
Connecting rod 5 is interior hexagonal bottle opener, comprises working distal tip 6, and working distal tip 6 is interior hexagonal working distal tip.
In addition, be appreciated that in this utility model, when stripped thread screw concave surface is interior hexagonal, can use nail-fetching device, gag and/or darker in this device for fetching nail to get the nail operation, comprising the interior hexagonal bottle opener connecting rod of interior hexagonal working distal tip.
In some other embodiments of this utility model, connecting rod can also be the bottle opener or the instrument of other types with identical function.
The connecting rod 5 of nail-fetching device 1 is the interior hexagonal bottle opener of the positive hexagon column type of different size size, comprises the interior hexagonal working distal tip 61 of positive hexagon column type of correspondingly-sized size.
Separately T-handle 4 of nail-fetching device 1, gag 2 and darker 3, to flexibly connect end 45 identical with the junction size, and this junction is a connecting rod 5 and the lap that flexibly connects when holding 45 to be connected.
This utility model the 3rd embodiment relates to a kind of device for fetching nail of novel orthopedic slipped screw.Fig. 3 is the gag structural representation of the device for fetching nail of this novel orthopedic slipped screw.
The 3rd embodiment improves on the basis of first embodiment; Main improvements are: the gag of hexagonal bottle opener was used for to can't be only that to get the stripped thread screw nut slot opening of nail with nail-fetching device moulding in positive hexagon was tapered; Make nail-fetching device convenience, success, no bone destruction, weak point consuming time and do not increase metal fillings ground and take out this stripped thread screw; Thereby further reduced patient's misery and complication, reduced medical personnel's labor intensity again, improved its work efficiency.In the positive hexagon of different size size is tapered the positive hexagon of hexagonal working distal tip tapered in the hexagonal gag can the corresponding specification of supporting use nail-fetching device, being used for slight stripped thread screw to different size, to carry out opening moulding.Specifically:
The connecting rod 5 of gag 2 is the tapered interior hexagonal bottle opener of the positive hexagon of different size size, comprises the tapered interior hexagonal working distal tip 62 of positive hexagon of correspondingly-sized size.
In the gag as shown in Figure 3, positive hexagon taper first length of side R is greater than positive hexagon taper second length of side r.
This utility model the 4th embodiment relates to a kind of device for fetching nail of novel orthopedic slipped screw.Fig. 4 is the darker structural representation of the device for fetching nail of this novel orthopedic slipped screw.
The 4th embodiment improves on the basis of first embodiment; Main improvements are: the darker of hexagonal bottle opener is used for deepening moulding to severe stripped thread screw nut groove in the recessed hexagon column type; Can combine the gag opening moulding; Make nail-fetching device convenience, success, no bone destruction, weak point consuming time and do not increase metal fillings ground and take out this stripped thread screw; Thereby further reduced patient's misery and complication, reduced medical personnel's labor intensity again, improved its work efficiency.The darker of hexagonal can the corresponding specification of supporting use in the recessed hexagon column type of hexagonal working distal tip in the recessed hexagon column type of different size size nail-fetching device and gag are used for deepening moulding to the severe stripped thread screw of different size.Specifically:
The connecting rod 5 of darker 3 is the interior hexagonal bottle opener of the recessed hexagon column type of different size size, comprises the interior hexagonal working distal tip 63 of recessed hexagon column type of correspondingly-sized size, and adjacent two concave surfaces of hexagonal working distal tip 63 form inactive sword in the recessed hexagon column type.
Though through some preferred implementation with reference to this utility model; This utility model is illustrated and describes; But those of ordinary skill in the art should be understood that and can do various changes to it in form with on the details, and do not depart from the spirit and the scope of this utility model.
Claims (6)
1. the device for fetching nail of a novel orthopedic slipped screw; It is characterized in that; Comprise: nail-fetching device (1), gag (2) and/or darker (3); All end (45) is connected T-handle (4) and connecting rod (5) independent assortment forms by flexibly connecting for said nail-fetching device (1), gag (2) and darker (3), and the working distal tip (6) on nail-fetching device (1), gag (2) and darker (3) connecting rod (5) separately is different.
2. the device for fetching nail of novel orthopedic slipped screw according to claim 1 is characterized in that, said connecting rod (5) is interior hexagonal bottle opener, comprises said working distal tip (6), and working distal tip (6) is interior hexagonal working distal tip.
3. the device for fetching nail of novel orthopedic slipped screw according to claim 1; It is characterized in that; The connecting rod (5) of said nail-fetching device (1) is the interior hexagonal bottle opener of the positive hexagon column type of different size size, comprises the interior hexagonal working distal tip (61) of positive hexagon column type of correspondingly-sized size.
4. the device for fetching nail of novel orthopedic slipped screw according to claim 1; It is characterized in that; The connecting rod (5) of said gag (2) is the tapered interior hexagonal bottle opener of the positive hexagon of different size size, comprises the tapered interior hexagonal working distal tip (62) of positive hexagon of correspondingly-sized size.
5. the device for fetching nail of novel orthopedic slipped screw according to claim 1; It is characterized in that; The connecting rod (5) of said darker (3) is the interior hexagonal bottle opener of the recessed hexagon column type of different size size; Comprise the interior hexagonal working distal tip (63) of recessed hexagon column type of correspondingly-sized size, adjacent two concave surfaces of hexagonal working distal tip (63) form inactive sword in the said recessed hexagon column type.
6. according to the device for fetching nail of each described novel orthopedic slipped screw in the claim 1 to 5; It is characterized in that; Said nail-fetching device (1), gag (2) and darker (3) T-handle (4), flexible connection end (45) separately is identical with the junction size, and this junction is connecting rod 5 and flexibly connects end (45) lap when being connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200837351U CN202526293U (en) | 2012-03-07 | 2012-03-07 | Novel screw taking device of orthopedic slipped screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200837351U CN202526293U (en) | 2012-03-07 | 2012-03-07 | Novel screw taking device of orthopedic slipped screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202526293U true CN202526293U (en) | 2012-11-14 |
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ID=47127501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200837351U Expired - Fee Related CN202526293U (en) | 2012-03-07 | 2012-03-07 | Novel screw taking device of orthopedic slipped screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202526293U (en) |
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2012
- 2012-03-07 CN CN2012200837351U patent/CN202526293U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121114 Termination date: 20140307 |