CN201253253Y - Bone filing and bone drilling device - Google Patents
Bone filing and bone drilling device Download PDFInfo
- Publication number
- CN201253253Y CN201253253Y CNU2008201110757U CN200820111075U CN201253253Y CN 201253253 Y CN201253253 Y CN 201253253Y CN U2008201110757 U CNU2008201110757 U CN U2008201110757U CN 200820111075 U CN200820111075 U CN 200820111075U CN 201253253 Y CN201253253 Y CN 201253253Y
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- bone
- file
- drill
- arthrodesis
- drill bit
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Abstract
The utility model relates to a surgical appliance, in particular to a raspatory and bone drill device for joint arthrodesis, like insertion tenon joint arthrodesis therapy of hammer toes. The raspatory and bone drill device comprises a raspatory which comprises a rotary file with a hollow cavity and a bone drill which comprises a sleeve and a drill bit, wherein the drill bit is arranged in the sleeve, the diameter of the drill bit is matched with the diameter of the hollow cavity of the rotary file. When the raspatory and bone drill device is utilized to realize insertion tenon joint arthrodesis, bone holes processed by the bone drill are enabled to be positioned accurately, bone tenons processed by the raspatory can be tightly matched with the bone holes, the contact surface of the arthrodesis is big, and the arthrodesis has strong stability without any inner fixation, and a bone contact surface of a arthrodesis part is relatively increased.
Description
Technical field
This utility model relates to a kind of surgical operating instrument, more specifically, relates to a kind of arthrodesis that is used for, for example in order to the bone file and the bone drill device of plug tenon method interphalangeal joint fusion of treatment hammer toe.
Background technology
Hammer toe is frequently-occurring disease, commonly encountered diseases clinically, and is many based on operation in the treatment.Hammer toe is a kind of toes contracture deformity due to the Different types of etiopathogenises, is more common in concurrent sufficient intoe, nerve injury, infantile paralysis sequela, and what also have is congenital reason.This deformity comprises nearside interphalangeal joint flexing, metatarsophalangeal joints hyperextension and distally interphalangeal joint hyperextension or flexing, and deformity seriously can not be used the passive rectifier of maneuver, should not go non-operative treatment.
Interphalangeal joint is little joint, and most scholars go single or the fixed fusion method of intersection Kirschner wire after using the excision articular surface, and this method merges slow and pseudarthrosis incidence rate height.Its reason is that contact surface is less after the joint fusion, and Kirschner wire certain area that accounts on fusion face makes contact area littler, so that merge slow, weak effect.For this reason, method has been done improvement between many scholar's zygodactyls, but weak point is all arranged.
The utility model content
The purpose of this utility model is the above-mentioned the deficiencies in the prior art of customer service.For this reason, the design people designs a kind of bone file and bone drill device, adopts the serious hammer toe deformity of the square plug tenon method of nearside interphalangeal joint fusion method treatment, can obtain satisfied curative effect.
This utility model bone file and bone drill device comprise: bone file, and it comprises rotary file, and described rotary file is the cylindrical shell with hollow chamber, and the file face is arranged on the end of described cylindrical shell; Bone drill, it comprises sleeve and drill bit, described drill bit is arranged on described telescopic middle part, and can advance with respect to described sleeve 7 rotations.
Preferably, described bone file also comprises the center of rotation positioning needle, and described center of rotation positioning needle is fixed in the described hollow chamber.
Preferably, described rotary file has cylindrical in shape.
Advantage of the present utility model and good effect are: adopt aforesaid bone file and bone drill device to implement plug tenon method arthrodesis, the feasible bone hole accurate positioning that processes by this bone drill, the bone tenon that this bone file processes cooperates closely with the bone hole, the joint fusion contact surface is big, stability is strong, do not need any internal fixation, relatively increased the bone contact surface of fusion site.
By reading detailed description of the preferred embodiment with reference to the accompanying drawings, can know other details of the present utility model and advantage more.
Description of drawings
Figure 1A-Figure 1B illustrates the perspective view according to the bone file of an embodiment of the present utility model and bone drill device;
Fig. 2 A-Fig. 2 B illustrates according to the bone file of an embodiment of the present utility model perpendicular to the cross section on the direction of rotation axis;
Fig. 3 A-Fig. 3 C is the sketch map that adopts the plug tenon method interphalangeal joint fusion of implementing according to bone file and the bone drill device of an embodiment of the present utility model.
The specific embodiment
Describe in detail according to bone file of the present utility model and bone drill device below with reference to Figure 1A-Figure 1B.
Comprise rotary file 2 according to bone file 1 of the present utility model, described rotary file 2 has diameter and is d, highly is the cylindrical hollow chamber 3 of h.The file face is positioned on the end face S1 of rotary file 2, and being connected with rotating shaft 4 with end face S1 opposing end faces S2 of rotary file 2,4 of rotating shafts are connected to rotating driving device.Rotary file 2 shown in the figure has columned profile, and this is a kind of preferred mode, and the rotary file of cylindrical outer shape is owing to its symmetrical configuration, and therefore stability is high when high speed rotating, yet in fact also can adopt the rotary file of other profile.
Preferably, bone file 1 also comprises center of rotation positioning needle 5, and described center of rotation positioning needle 5 is fixed in the described hollow chamber 3, for example is welded on arbitrary wall of rotary file 2 in the position near end face S2 relatively.
Comprise sleeve 7 and the drill bit 8 that rotates according to bone drill 6 of the present utility model, drill bit 8 is arranged on the middle part of sleeve 7 with being fitted to each other, and can advance with respect to sleeve 7 rotations.Sleeve 7 is diversified with the implementation of this position rotating of drill bit 8, and this is known in the field, for example can flange be set at the end of drill bit 8, and the diameter of this flange is slightly less than the internal diameter of sleeve 7.When drill bit 8 rotations are advanced, can guarantee that drill bit 8 is positioned at telescopic middle part like this.The end of drill bit 8 is connected to rotating shaft 9, and 9 of rotating shafts are connected to rotating driving device, thereby under the driving of rotating driving device, drill bit can be along with rotating shaft 9 rotations.The diameter of the diameter of drill bit 8 and hollow chamber 3 is complementary.Sleeve 7 shown in the figure has columned profile.In fact sleeve 7 can have with skeleton be complementary irregularly shaped.
Preferably, as shown in Fig. 2 A, is being concavo-convex alternate shape according to bone file of the present utility model perpendicular to the cross section in-profile on the direction of rotation axis, as corrugated, thereby reduce the contact area between bone file and the bone, reduce the frictional force between them thus, thereby after forming the bone tenon, can easily bone file be taken off from bone.Perhaps shown in Fig. 2 B, the part of the cylinder inboard wall of bone file has ripple struction, and has corresponding groove with it at corresponding outer wall place, can more easily bone file be taken off from bone by the instrument with groove fit like this.
The operating procedure according to the plug tenon method interphalangeal joint fusion of bone file of the present utility model and the enforcement of bone drill device is adopted in the signal of Fig. 3 A-Fig. 3 B summary.At first, make fusiformis transverse incision 10 at nearside interphalangeal joint dorsal part along band, the skin that the excision toe back of the body thickens cuts the interphalangeal joint capsule, and extremely the flexing joint makes the middle phalanx substrate take off sole of the foot side to the proximal phalanx head, cuts off the ligamena collateralia of both sides with the pocket knife annular.
Then, utilization is according to bone file 1 of the present utility model, at first center of rotation positioning needle 5 is thrust in the pre-position in the proximal phalanx head 11 to determine the bone file center of rotation, start rotating driving device then, utilize file face S1 excision to be positioned at the sclerotin of hollow chamber's 3 region exteriors, diameter d and the height h corresponding to hollow chamber 3 forms the bone tenon 12 with certain sectional dimension and height thus.
Utilize then according to bone drill 6 of the present utility model, at first sleeve 7 is enclosed within on 13 of the middle phalanxs, the size of this barrel bore 14 and middle apotelus bone thickness are complementary, to prevent that drill bit misplaces with respect to bone in drilling process.Start rotating driving device then, utilize drill bit 8 in medullary cavity, to hole to form bone hole 15.Can suitably select the specification of drill bit 8, so that the size of the size in formed bone hole 15 and bone tenon 12 is complementary.
Next step, the operator controls proximal phalanx on the other hand and maintains static, and another holds middle phalanx, and distad traction makes the middle phalanx bone understand proximal phalanx bone tenon thoroughly on the flexing position, makes the bone hole be enclosed within on the bone tenon in the close fit mode.Described fixed form is more stable, fixes without Kirschner wire.Postoperative is generally fixed with adjacent toe with the gauze wrapping.
Adopt aforesaid bone file and bone drill device to implement plug tenon method arthrodesis, the feasible bone hole accurate positioning that processes by this bone drill, the bone tenon that this bone file processes cooperates closely with the bone hole, the joint fusion contact surface is big, stability is strong, do not need any internal fixation, relatively increased the bone contact surface of fusion site, obtain gratifying curative effect.
Though described the present invention, should be appreciated that the present invention is not limited to above-mentioned specific embodiment with reference to preferred embodiment.It will be understood by those skilled in the art that can make some to described specific embodiment substitutes, changes, revises and omit and do not deviate from spirit of the present invention and intention.Therefore, technical scope of the present invention is limited by the given of the present invention concrete feature of the claim that reasonably proposes based on above description.
Claims (5)
1. a bone file device that is used for arthrodesis is characterized in that, comprise bone file, described bone file comprises rotary file, and described rotary file is the cylindrical shell with hollow chamber, and the file face is arranged on the end of described cylindrical shell.
2. bone file device according to claim 1 is characterized in that described bone file also comprises the center of rotation positioning needle, and described center of rotation positioning needle is fixed in the described hollow chamber.
3. bone file device according to claim 1 is characterized in that described rotary file has cylindrical in shape.
4. bone file according to claim 1 and bone drill device is characterized in that, the inwall of the cylindrical shell of described rotary file has concavo-convex alternate structure.
5. a bone drill device that is used for arthrodesis is characterized in that, comprises sleeve and drill bit, and described drill bit is arranged on described telescopic middle part, and can advance with respect to described sleeve rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201110757U CN201253253Y (en) | 2008-04-25 | 2008-04-25 | Bone filing and bone drilling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201110757U CN201253253Y (en) | 2008-04-25 | 2008-04-25 | Bone filing and bone drilling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201253253Y true CN201253253Y (en) | 2009-06-10 |
Family
ID=40736561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201110757U Expired - Fee Related CN201253253Y (en) | 2008-04-25 | 2008-04-25 | Bone filing and bone drilling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201253253Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11963880B2 (en) | 2020-05-11 | 2024-04-23 | Gensano Llc | Cannulated bone implant |
-
2008
- 2008-04-25 CN CNU2008201110757U patent/CN201253253Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11963880B2 (en) | 2020-05-11 | 2024-04-23 | Gensano Llc | Cannulated bone implant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090610 Termination date: 20100425 |