CN204233206U

CN204233206U - A kind of miniature sleeve pipe Kirschner wire fixation device fixing for metacarpal fracture

Info

Publication number: CN204233206U
Application number: CN201420727945.9U
Authority: CN
Inventors: 王加利
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-11-28
Filing date: 2014-11-28
Publication date: 2015-04-01
Anticipated expiration: 2024-11-28

Abstract

A kind of miniature sleeve pipe Kirschner wire fixation device fixing for metacarpal fracture, comprise two end band puncturing head Kirschner wires, miniature cannula guide, the miniature sleeve pipe of front end zigzag hollow cylinder, the first miniature cover core, the second miniature cover core, miniature cannula guide is made up of handle and front end zigzag hollow cylinder guide thimble, handle is flexibly connected with guide thimble, first miniature cover core and the second miniature cover core are that tail end band emits Kirschner wire, and miniature sleeve pipe is combined to form miniature sleeve pipe Kirschner wire with band puncturing head Kirschner wire.The fixing miniature sleeve pipe Kirschner wire fixation device object of metacarpal fracture that is used for this utility model reduces to interosseal damage when this art formula operates, the horizontal technique for fixing of popularization metacarpal fracture Coronal.

Description

A kind of miniature sleeve pipe Kirschner wire fixation device fixing for metacarpal fracture

Technical field

This utility model relates to technical field of medical instruments, is specifically related to the miniature sleeve pipe Kirschner wire fixation device that a kind of metacarpal fracture is fixing.

Background technology

Metacarpal fracture is common clinical, existing fixed form is that miniature steel plate is fixed or traditional Kirschner wire (or steinman pin) is longitudinally fixed, the former exist wound large, need second operation to take out the complication such as steel plate, the latter exists affects patients with functional exercise's factor, cause dysfunction, although can solve the problem with traditional Kirschner wire Coronal is laterally fixing, because traditional Kirschner wire exists interosseus damage in the process piercing metacarpal bone, so fail to use at clinical expansion.

Summary of the invention

For overcoming above-mentioned defect, this utility model devises a kind of miniature sleeve pipe Kirschner wire fixation device fixing for metacarpal fracture, this fixture is combined by each device and laterally fixes metacarpal bone on Coronal, reduces when traditional Kirschner wire is laterally fixed interosseal damage.

For realizing above object, the technical solution adopted in the utility model is:

A kind of miniature sleeve pipe Kirschner wire fixation device fixing for metacarpal fracture, comprise two end band puncturing head Kirschner wires, also comprise miniature cannula guide, the miniature sleeve pipe of front end zigzag hollow cylinder, the first miniature cover core, the second miniature cover core, described miniature cannula guide is made up of handle and front end zigzag hollow cylinder guide thimble, described handle is flexibly connected with described guide thimble, described first miniature cover core and described second miniature cover core are that tail end band emits Kirschner wire, and described miniature sleeve pipe and described band puncturing head Kirschner wire are combined to form miniature sleeve pipe Kirschner wire.Guide thimble front end sawtooth in miniature cannula guide is convenient to fix point of puncture and puncture direction, and miniature sleeve pipe front end laciniation can the damage of anti-leukorrhagia stopping puncturing head Kirschner wire to metacarpal bone interosseus meat when rotating.

The guide thimble of described miniature cannula guide and described first miniature cover core diameter, length matches, the puncturing head of described guide thimble front end laciniation and described first miniature cover core matches, described first miniature cover core and described miniature casing diameter match, described second miniature cover core and described miniature casing diameter, length matches, described second miniature cover core front end puncturing head and described miniature sleeve pipe front end laciniation match, described miniature casing length is greater than the guide thimble length of described miniature cannula guide, described second miniature cover core is identical with described band puncturing head Kirschner wire diameter, described first miniature cover core diameter is greater than described second miniature cover core diameter, described first miniature cover core is shorter in length than described second miniature cover core length, first miniature cover core can stretch in the guide thimble of miniature cannula guide, and the second miniature cover core can stretch in miniature sleeve pipe.

Described miniature sleeve pipe and described band puncturing head Kirschner wire diameter match, and the puncturing head of described miniature sleeve pipe front end sawtooth and described band puncturing head Kirschner wire matches; Band puncturing head Kirschner wire stretches in miniature sleeve pipe, and front end sawtooth overlaps with puncturing head.

The beneficial effect that this utility model realizes is: the art formula that the metacarpal fracture Coronal using fixture of the present utility model to carry out laterally is fixed is by miniature cannula guide, the use of miniature sleeve pipe and both front end laciniations thereof, improve the success rate of internal fixtion, avoid the damage to metacarpal bone interosseus meat and hypothenar muscle when traditional Kirschner wire rotates, guide thimble front end sawtooth in miniature cannula guide is convenient to fix point of puncture and puncture direction, miniature sleeve pipe front end laciniation can the damage to metacarpal bone interosseus meat when rotating of anti-leukorrhagia stopping puncturing head Kirschner wire, miniature sleeve pipe Kirschner wire fixation device for metacarpal fracture Coronal is laterally fixing can be used at clinical expansion, it is little that this art formula has wound, fracture end blood fortune is destroyed little, anatomical reduction, union of fracture is fast, get pin simple, without the need to advantages such as second operations, fixing firm, do not affect the activity of joint and tendon, and Kirschner wire outer end is positioned at the 2nd metacarpal bone oar side or the 5th metacarpal bone ulnar side, do not affect the activity of skin of dorsum of hand, be beneficial to early functional exercise.

Accompanying drawing explanation

Fig. 1 is the assembly schematic diagram of this utility model embodiment;

Fig. 2 is the schematic diagram of miniature sleeve pipe 3 and band puncturing head Kirschner wire 5 in this utility model embodiment 1;

Fig. 3 is the schematic diagram of miniature sleeve pipe 3 and band puncturing head Kirschner wire 5 in this utility model embodiment 2;

Fig. 4 is the schematic diagram of miniature sleeve pipe 3 and band puncturing head Kirschner wire 5 in this utility model embodiment 3.

In figure, 1, miniature cannula guide, 2, the first miniature cover core, 3, miniature sleeve pipe, 4, the second miniature cover core, 5, band puncturing head Kirschner wire, 6, miniature sleeve pipe Kirschner wire, 31, the first miniature sleeve pipe, 51, the first band puncturing head Kirschner wire, the 61, first miniature sleeve pipe Kirschner wire, the 32, second miniature sleeve pipe, 52, the second band puncturing head Kirschner wire, 62, the second miniature sleeve pipe Kirschner wire, the 33, the 3rd miniature sleeve pipe, the 53, the 3rd band puncturing head Kirschner wire, 7, nut, the 63, the 3rd miniature sleeve pipe Kirschner wire.

Detailed description of the invention

A kind of miniature sleeve pipe Kirschner wire fixation device fixing for metacarpal fracture, comprise two end band puncturing head Kirschner wires 5, miniature cannula guide 1, the miniature sleeve pipe 3 of front end zigzag hollow cylinder, first miniature cover core 2, second miniature cover core 4, described miniature cannula guide 1 is made up of handle and front end zigzag hollow cylinder guide thimble, described handle is flexibly connected with described guide thimble, described first miniature cover core 2 with described second miniature cover core 4 for tail end band emits Kirschner wire, described miniature sleeve pipe 3 is combined to form miniature sleeve pipe Kirschner wire 6 with described band puncturing head Kirschner wire 5.

Using method: after reduction of the fracture success, get the 2nd metacarpal bone oar side or the 5th metacarpal bone ulnar side micro-incision, first miniature cover core 2 is inserted in miniature cannula guide 1, blunt separation is to second ossa metacarpi radialis or the 5th metacarpal bone ulnar side, in miniature cannula guide 1, guide thimble front end sawtooth is convenient to fix point of puncture and puncture direction, in miniature cannula guide 1, the use of guide thimble prevents the fashionable damage to the 1st dorsal interossei or hypothenar muscle of miniature sleeve pipe Kirschner wire 6 rotary drilling, take out the first miniature cover core 2, insert miniature sleeve pipe Kirschner wire 6, connect electric drill, stop the rotation after saturating 2nd metacarpal bone of rotary drilling or the 5th metacarpal bone bilateral sclerotin, be separated miniature sleeve pipe Kirschner wire 6, band puncturing head Kirschner wire 5 is taken out, leave miniature sleeve pipe 3, insert in miniature sleeve pipe 3 by the second miniature cover core 4, blunt separation, to adjacent sclerotin, takes out the second miniature cover core 4, insert band puncturing head Kirschner wire 5, the saturating bilateral sclerotin of rotary drilling, stops the rotation, and the purposes of miniature sleeve pipe 3 is the damage of anti-leukorrhagia stopping puncturing head Kirschner wire 5 to metacarpal bone interosseus meat when rotating.Inserting other two miniature sleeve pipe Kirschner wires according to same method intersects fixing, and miniature sleeve pipe Kirschner wire is cut short in bending, stays outside skin, and art finishes; Utilize miniature cover core to coordinate blunt separation to sclerotin place with zigzag microguide, by under guide thimble and miniature casing protection, miniature sleeve pipe Kirschner wire and the deep matter of Kirschner wire rotary drilling, reduce the damage of direct Kirschner wire to muscle.Wherein, first miniature cover core 2 matches with miniature cannula guide 1, first miniature cover core 2 can stretch in the guide thimble of miniature cannula guide 1, first miniature cover core 2 matches with miniature sleeve pipe 3, miniature sleeve pipe Kirschner wire 6 diameter, second miniature cover core 4 is identical with band puncturing head Kirschner wire 5 diameter, and the second miniature cover core 4 can stretch in miniature sleeve pipe 3.

Band puncturing head Kirschner wire 5 is consistent with miniature sleeve pipe 3, before miniature sleeve pipe 3, laciniation is consistent with the puncturing head of band puncturing head Kirschner wire 5, form an integrated piercing head group and synthesize miniature sleeve pipe Kirschner wire 6, miniature sleeve pipe 3 is combined into miniature sleeve pipe Kirschner wire 6 with band puncturing head Kirschner wire 5 has following three kinds to combine embodiment:

Embodiment 1:

As Fig. 2, the miniature sleeve pipe 31 of hollow cylinder first of tail end band female thread front end band sawtooth, the externally threaded first band puncturing head Kirschner wire 51 of tail end band, both are consistent by screw thread, first band puncturing head Kirschner wire 51 stretches in the first miniature sleeve pipe 31, first band puncturing head Kirschner wire 51 one end is overlapped with the first miniature sleeve pipe 31 front end, and middle part is revolved by screw thread becomes overall, forms the first miniature sleeve pipe Kirschner wire 61.

Embodiment 2:

As Fig. 3, the Kirschner wire 52 of the miniature sleeve pipe 32 of hollow cylinder second of tail end band jaw front end band sawtooth, the second band puncturing head of tail end band wedge mouth, the Kirschner wire 52 of the second band puncturing head stretches in the second miniature sleeve pipe 32, second band puncturing head Kirschner wire 51 one end is overlapped with the second miniature sleeve pipe 31 front end, middle part is clamped mutually becomes overall together, forms the second miniature sleeve pipe Kirschner wire 62.

Embodiment 3:

As Fig. 4, with externally threaded 3rd miniature sleeve pipe 33, with externally threaded 3rd band puncturing head Kirschner wire 53, the nut 7 being with two screw thread.3rd miniature sleeve pipe 33 front end is with puncturing head Kirschner wire 53 front end to overlap with the 3rd, and middle part is connected and fixed as entirety by nut 7, forms the 3rd miniature sleeve pipe Kirschner wire 63.

Claims

1. the miniature sleeve pipe Kirschner wire fixation device fixed for metacarpal fracture, comprise two end band puncturing head Kirschner wires (5), it is characterized in that: also comprise miniature cannula guide (1), the miniature sleeve pipe of front end zigzag hollow cylinder (3), first miniature cover core (2), second miniature cover core (4), described miniature cannula guide (1) is made up of handle and front end zigzag hollow cylinder guide thimble, described handle is flexibly connected with described guide thimble, described first miniature cover core (2) and described second miniature cover core (4) emit Kirschner wire for tail end band, described miniature sleeve pipe (3) and described band puncturing head Kirschner wire (5) are combined to form miniature sleeve pipe Kirschner wire (6).

2. the Kirschner wire fixation device fixing for metacarpal fracture according to claim 1, it is characterized in that: the guide thimble of described miniature cannula guide (1) and described first miniature cover core (2) diameter, length matches, the puncturing head of described guide thimble front end laciniation and described first miniature cover core (2) matches, described first miniature cover core (2) and described miniature sleeve pipe (3) diameter match, described second miniature cover core (4) and described miniature sleeve pipe (3) diameter, length matches, described second miniature cover core (4) front end puncturing head and described miniature sleeve pipe (3) front end laciniation match, described miniature sleeve pipe (3) length is greater than the guide thimble length of described miniature cannula guide (1), described second miniature cover core (4) is identical with described band puncturing head Kirschner wire (5) diameter, described first miniature cover core (2) diameter is greater than described second miniature cover core (4) diameter, described first miniature cover core (2) is shorter in length than described second miniature cover core (4) length.

3. the Kirschner wire fixation device fixing for metacarpal fracture according to claim 1, it is characterized in that: described miniature sleeve pipe (3) and described band puncturing head Kirschner wire (5) diameter match, and the puncturing head of described miniature sleeve pipe (3) front end sawtooth and described band puncturing head Kirschner wire (5) matches.