CN110432971A

CN110432971A - A kind of orthopaedics Kirschner wire propeller

Info

Publication number: CN110432971A
Application number: CN201910755179.4A
Authority: CN
Inventors: 张明
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-15
Filing date: 2019-08-15
Publication date: 2019-11-12

Abstract

The invention discloses a kind of orthopaedics Kirschner wire propellers, including propulsion unit, accommodate pipe and the solid lock unit for fixation Kel's needle, propulsion unit includes fixes sleeve, adjust sleeve, actuator push rod and conjugative component, actuator push rod is equipped with threaded portion, the right part of fixes sleeve is equipped with the internal screw thread engaged with the threaded portion of actuator push rod, adjust the right end that sleeve is connected to fixes sleeve, adjusting sleeve can rotate around the axis of fixes sleeve, conjugative component is connected to the right part of actuator push rod, the inner circumferential for adjusting sleeve is equipped with the guiding groove cooperated with conjugative component, accommodate the left end that pipe is connected to fixes sleeve, the setting of solid lock unit is accommodating in pipe, the right end of solid lock unit and the left end of actuator push rod contradict and cooperate, solid lock unit includes base, multiple lock sheets, guide disk and actuating turntable, base, guidance Disk and actuating turntable are offered using center as the center of circle, the identical circular through hole of size, easy to use.

Description

A kind of orthopaedics Kirschner wire propeller

Technical field

The present invention relates to the field of medical instrument technology, specifically, refer to a kind of orthopaedics Kirschner wire propeller.

Background technique

Kirschner wire is a kind of common internal fixation material of orthopaedics, and former specification is generally fixed to 20 centimeters or so, diameter There are different several specifications between 0.5-2 millimeters, it is solid for fixing short and small fracture or the little fracture of avulsion fracture iso-stress It is fixed, it is also commonly used in bone surgery in the fixation of interim sclerite.

Clinically for Orthopeadic Surgery doctor in fracture site fixed to patient, bone junction is usually bored one with electric drill by doctor Then a hole needs doctor to be pounded Kirschner wire into hole using hammer with hand steered Kirschner wire, an another hand, there may come a time when by Patient bone is damaged in overexerting, uses the clamping Kirschner wire of collet sometimes, but the radius adjusting range of collet has Limit, can not adapt to large range of Kirschner wire model, thus when in use, and collet does not have a versatility, more universal for more A head meets the Kirschner wire of different size, inconvenient to use, and it is bad to clamp feel, the biggish effect for reducing operation Rate.

Summary of the invention

The technical problem to be solved by the present invention is to be directed to above-mentioned state of the art, and provide a kind of orthopaedics Kirschner wire Propeller, impeller design of the invention is reasonable, it is laborsaving to promote, while having preferable clamping radius regulating power, thus has There is the versatility for different size Kirschner wire, and easy to use, work efficiency is high.

The technical scheme of the invention to solve the technical problem is:

A kind of orthopaedics Kirschner wire propeller including propulsion unit, accommodates pipe and for the solid lock unit of fixation Kel's needle, pushes away Include fixes sleeve, adjust sleeve, actuator push rod and conjugative component into unit, actuator push rod is equipped with threaded portion, fixed The right part of sleeve is equipped with the internal screw thread engaged with the threaded portion of actuator push rod, adjusts the right side that sleeve is connected to fixes sleeve End, adjusting sleeve can rotate around the axis of fixes sleeve, and conjugative component is connected to the right part of actuator push rod, adjusts sleeve Inner circumferential is equipped with the guiding groove cooperated with conjugative component, accommodates the left end that pipe is connected to fixes sleeve, and the setting of solid lock unit exists Accommodate in pipe, the left end of the right end of solid lock unit and actuator push rod, which contradicts, to be cooperated, solid lock unit include base, multiple lock sheets, Disk and actuating turntable are guided, base, guidance disk and actuating turntable are offered using center as the center of circle, the identical circle of size Shape through-hole, multiple lock sheets, guidance disk and actuating turntable are successively set in base from the inside to the outside, and multiple lock sheets are supported It at the circular through hole that can be opened and closed base, guides and is provided with rotation guiding groove on disk, lock sheet is equipped with to be cooperated with guiding groove Guide post, for actuating turntable for driving lock sheet to be opened and closed, the locking end of lock sheet is formed with opening portion, and opening portion has with machine The opening of open amount of opening is determined centered on the circular through hole of seat, the Kirschner wire periphery in the locking end and opening of lock sheet contradicts Cooperation.

To optimize above-mentioned technical proposal, the measure taken further include:

Above-mentioned conjugative component includes connector and driving guiding piece, is provided with torsion on connector and the faying face of driving guiding piece Square limiter, torque limiter are to be respectively embedded into connector faying face and drive the strong magnets in guiding piece faying face, relatively Strong magnets be oppositely arranged with heteropolar, torque limiter makes to adjust when being used to apply to actuator push rod predetermined an or more load Sleeve is saved to dally relative to actuator push rod.

The above-mentioned connector rear end engaged through the thread in actuator push rod, driving guiding piece is equipped with matches with guiding groove The key of conjunction is convex.

Drive ring is equipped on above-mentioned receiving pipe, for drive ring for driving actuating turntable rotation, drive ring can be along appearance Pipe outer wall of receiving sliding.

The periphery of above-mentioned actuating turntable is equipped with mounting groove, and mounting groove is interior on internal magnet, the inner circumferential of drive ring It is oppositely arranged with internal magnet corresponding position equipped with external magnet, external magnet and internal magnet with heteropolar.

The arrival end of above-mentioned receiving pipe is provided with fixing sleeve, and fixing sleeve is in back taper by connecting cylinder and along connecting cylinder right end The elastic piece composition being uniformly arranged, connecting cylinder and the inner wall for accommodating pipe, which are interference fitted, to be connected.

The center of above-mentioned actuator push rod is equipped with Kirschner wire receiving hole.

Offer positioning screw hole on above-mentioned adjusting sleeve, a bulb positioning screw place adjust the positioning screw hole of sleeve with The annular groove of fixes sleeve is closely slidably matched, and limits and adjusts sleeve in the axial position of fixes sleeve.

It is provided with scale on the periphery of above-mentioned receiving pipe, adjusts the scale being provided on sleeve on the periphery of receiving pipe Corresponding scale, fixes sleeve are equipped with a scale reference line, adjust sleeve and rotate a circle, actuator push rod moves forward or back One screw pitch.

It is provided with axial hole on the faying face of above-mentioned connector, adsorption magnet and ball are provided in axial hole, adsorbs Magnet is located at the bottom of axial hole, and ball can be slided axially in hole.

The locking end of above-mentioned lock sheet is provided with rubber latch item.

Fixation Kel's needle is managed and are used for a kind of orthopaedics Kirschner wire propeller of the invention, including propulsion unit, receiving Solid lock unit, propulsion unit includes fixes sleeve, adjust sleeve, actuator push rod and conjugative component, actuator push rod are equipped with Threaded portion, the right part of fixes sleeve are equipped with the internal screw thread engaged with the threaded portion of actuator push rod, adjust sleeve and are connected to The right end of fixes sleeve, adjusting sleeve can rotate around the axis of fixes sleeve, and conjugative component is connected to the right end of actuator push rod Portion, the inner circumferential for adjusting sleeve are equipped with the guiding groove cooperated with conjugative component, accommodate the left end that pipe is connected to fixes sleeve, Gu Lock unit setting is accommodating in pipe, and the left end of the right end of solid lock unit and actuator push rod, which contradicts, to be cooperated, solid lock unit include base, Multiple lock sheets, guidance disk and actuating turntable, base, guidance disk and activate turntable offer using center as the center of circle, The identical circular through hole of size, multiple lock sheets, guidance disk and actuating turntable are successively set in base from the inside to the outside, multiple Lock sheet is supported to can be opened and closed the circular through hole of base, guides and is provided with rotation guiding groove on disk, lock sheet be equipped with The guide post of guiding groove cooperation, for actuating turntable for driving lock sheet to be opened and closed, the locking end of lock sheet is formed with opening portion, opens Oral area has the opening that open amount of opening is determined centered on the circular through hole of base, gram in the locking end and opening of lock sheet Family name's needle periphery contradicts cooperation, and design is reasonable, it is laborsaving to promote, while having preferable clamping radius regulating power, thus has needle To the versatility of different size Kirschner wire, and it is easy to use, work efficiency is high.

Of the invention has the advantage that

1, facilitate gripping, when fixed, by rotating the adjusting sleeve of propulsion unit, Kirschner wire, time saving province can be quickly propelled Power；

2, suitable for the Kirschner wire of different thicknesses, when using the Kirschner wire of different thicknesses, as long as adjusting solid lock unit, make to lock The opening portion of piece composition, becomes larger or becomes smaller, to clamp the Kirschner wire of different thicknesses；

3, this propeller is linear advancement, is suitable for various types of Kirschner wires, while can be avoided rotation and having promoted Kirschner wire To the secondary injury of fracture site.

Detailed description of the invention

Fig. 1 is schematic perspective view of the invention；

Fig. 2 is axial sectional view of the invention；

Fig. 3 is conjugative component schematic perspective view of the invention；

Fig. 4 is solid lock unit three-dimensional structural schematic diagram of the invention；

Fig. 5 is solid lock unit left view of the invention；

Fig. 6 is left view after solid lock unit removal actuating turntable of the invention；

Fig. 7 is that removal guides left view after disk in Fig. 6；

Fig. 8 is that solid lock unit of the invention reduces schematic diagram after amount of opening.

Specific embodiment

The embodiment of the present invention is described in further detail below in conjunction with attached drawing.

Fig. 1 to Fig. 8 is structural schematic diagram of the invention.

Appended drawing reference therein are as follows: propulsion unit 1, adjusts sleeve 12, actuator push rod 13, guiding groove at fixes sleeve 11 14, receiving hole 15, bulb positioning screw 16, annular groove 17, scale reference line 18, guide post 19, receiving pipe 2, solid lock unit 3, base 31, lock sheet 32, guidance disk 33, actuating turntable 34, rotation guiding groove 35, opening 36, internal magnet 37, conjugative component 4, connector 41, drive that guiding piece 42, strong magnets 43, key be convex 44, axial hole 45, adsorption magnet 46, ball 47, drive ring 5, external magnet 51, fixing sleeve 6, connecting cylinder 61, elastic piece 62.

It is as shown in Figures 1 to 8:

A kind of orthopaedics Kirschner wire propeller including propulsion unit 1, accommodates pipe 2 and for the solid lock unit of fixation Kel's needle 3, propulsion unit 1 includes that fixes sleeve 11, adjusting sleeve 12, actuator push rod 13 and conjugative component 4, actuator push rod 13 are equipped with Threaded portion, the right part of fixes sleeve 11 are equipped with the internal screw thread engaged with the threaded portion of actuator push rod 13, adjust sleeve 12 It is connected to the right end of fixes sleeve 11, adjusting sleeve 12 can rotate around the axis of fixes sleeve 11, and conjugative component 4 is connected to biography The right part of dynamic push rod 13, the inner circumferential for adjusting sleeve 12 are equipped with the guiding groove 14 cooperated with conjugative component 4, adjust sleeve 12 It is rotated around fixes sleeve 11, adjusts sleeve 12 and drive actuator push rod 13 to rotate by conjugative component 4, actuator push rod 13 and fixing sleeve The internal screw thread engagement of 11 right parts of cylinder, so that the left end that pipe 2 is connected to fixes sleeve 11 is accommodated accommodating telescopic displacement in pipe 2, The setting of solid lock unit 3 is accommodating in pipe 2, and the right end of solid lock unit 3 and the left end of actuator push rod 13 contradict and cooperate, solid lock unit 3 Including base 31, multiple lock sheets 32, guidance disk 33 and actuating turntable 34, base 31, guidance disk 33 and actuating turntable 34 It offers using center as the center of circle, the identical circular through hole of size, multiple lock sheets 32, guidance disk 33 and actuating turntable 34 It is successively set in base 31 from the inside to the outside, guidance disk 33 and the interference fit of base 31 connect, and actuating turntable 34 is rotatably set It sets in base 31, multiple lock sheets 32 are supported to that the circular through hole of base 31 can be opened and closed, and guide and are provided with rotation on disk 33 Quote guide groove 35, lock sheet 32 is equipped with the guide post 19 cooperated with rotation guiding groove 35, is additionally provided with auxiliary guide column on lock sheet 32, 31 bottom of base is equipped with auxiliary guiding groove corresponding with rotation guiding groove 35, and auxiliary guide column and rotation 35 right side of guiding groove are flat Together, actuating turntable 34 is equipped with driver slot, and the driver slot of actuating turntable 34 is for driving lock sheet 32 to be opened and closed, multiple lockings The locking end of piece 32 is formed with opening portion, and opening portion has determines opening for open amount of opening centered on the circular through hole of base 31 Mouth 36, the locking end of lock sheet 32 is contradicted with the Kirschner wire periphery in opening 36 to be cooperated, and is activated the rotation of turntable 34, is driven guide post 19 Along rotation guiding groove 35 move, thus forms the locking end of multiple lock sheets 32 opening portion be open 36 expand or shrink with It is applicable in the Kirschner wire of different model, while can be used in locking or unclamping Kirschner wire, actuator push rod 13 pushes Kirschner wire, and design is closed It manages, promote laborsaving, while solid lock unit 3 has preferable clamping radius regulating power, thus has and be directed to different size kirschner The versatility of needle, and it is easy to use, work efficiency is high.

In embodiment, conjugative component 4 includes connector 41 and driving guiding piece 42, connector 41 and driving guiding piece 42 Torque limiter is provided on faying face, torque limiter is to be respectively embedded into 41 faying face of connector and the driving combination of guiding piece 42 Strong magnets 43 in face, opposite strong magnets 43 are oppositely arranged with heteropolar, and torque limiter to actuator push rod 13 for applying Make to adjust sleeve 12 when adding predetermined an or more load and dally relative to actuator push rod 13, Kirschner wire enters the hole accomplished fluently in advance Innermost end after, actuator push rod 13 does not just readvance, and connector 41 misplaces with the corresponding strong magnets 43 of driving guiding piece 42, even Fitting 41 and driving guiding piece 42 are formed and are dallied, after load disappears, the strong magnetic corresponding with driving guiding piece 42 of connector 41 Iron 43 is attracted.

In embodiment, the rear end engaged through the thread in actuator push rod 13 of connector 41, driving guiding piece 42 be equipped with The key convex 44 that guiding groove 14 cooperates cooperates more stable.

It in embodiment, accommodates and is equipped with drive ring 5 on pipe 2, drive ring 5 is for driving actuating turntable 34 to rotate, drive ring 5 It can be slided along 2 outer wall of pipe is accommodated.

In embodiment, the periphery of actuating turntable 34 is equipped with mounting groove, is equipped with internal magnet 37, drive ring 5 in mounting groove Inner circumferential on 37 corresponding position of internal magnet be equipped with external magnet 51, external magnet 51 is oppositely arranged with internal magnet 37 with heteropolar, drive Rotating ring 5 rotates, and by external magnet 51 and 37 magneticaction of internal magnet, activating turntable 34 will rotate with drive ring 5, adjusts more The opening portion opening that the locking end of a lock sheet 32 is formed is more convenient.

In embodiment, the arrival end for accommodating pipe 2 is provided with fixing sleeve 6, and fixing sleeve 6 is right by connecting cylinder 61 and along connecting cylinder 61 End is formed in the elastic piece 62 that back taper is uniformly arranged, and connecting cylinder 61 and the inner wall for accommodating pipe 2 are interference fitted and connect, and facilitates kirschner Needle, which enters, accommodates pipe 2, is capable of fixing Kirschner wire by elastic piece 62.

In embodiment, the center of actuator push rod 13 is equipped with Kirschner wire receiving hole 15, and longer Kirschner wire can enter actuator push rod In 13 Kirschner wire receiving hole 15, so as to shorten propeller overall length, manufacturing cost is reduced, while more convenient to use.

It in embodiment, adjusts and offers positioning screw hole on sleeve 12, a bulb positioning screw 16, which places, adjusts sleeve 12 Positioning screw hole and the annular groove 17 of fixes sleeve 11 are closely slidably matched, and limit and adjust sleeve 12 in the axial position of fixes sleeve 11 It sets.

It in embodiment, accommodates and is provided with scale on the periphery of pipe 2, adjust the periphery for being provided on sleeve 12 and accommodating pipe 2 On the corresponding scale of scale, fixes sleeve 11 be equipped with a scale reference line 18, adjust sleeve 12 rotate a circle, be driven Push rod 13 moves forward or back a screw pitch, and the length for entering Kirschner wire is more accurate.

In embodiment, it is provided with axial hole 45 on the faying face of connector 41, adsorption magnet 46 is provided in axial hole 45 And ball 47, adsorption magnet 46 are fixed on the bottom of axial hole 45, ball 47 can be slided axially in hole 45, when connector 41 with It drives guiding piece 42 to form idle running, the strong magnets 43 on guiding piece 42 is driven to send out with strong magnets 43 corresponding on connector 41 Raw dislocation, drives the strong magnets 43 on guiding piece 42 that will attract ball 47, since 43 magnetic force of strong magnets is greater than absorption magnetic 46 magnetic force of iron draws ball 47 towards the movement of driving 42 direction of guiding piece, knocks in strong magnets 43 to impinge upon, when When strong magnets 43 turn over axial hole 45, adsorption magnet 46 knocks again from new adsorption ball 47, and operator, which hears, to be hit Hitting sound just can judge, Kirschner wire does not readvance.

In embodiment, the locking end of lock sheet 32 is provided with rubber latch item, convenient for locking to Kirschner wire.

In embodiment, location hole is offered on base 31, a positioning screw places location hole and actuating turn on base 31 The annular groove of disk 34 is closely slidably matched, and limits actuating turntable 34 in the axial position of base 31.

A kind of orthopaedics Kirschner wire propeller working principle and operating method of the invention:

Kirschner wire is accommodated in pipe 2 by accommodating 2 front end fixing sleeve 6 of pipe into entering, by the rotary-actuated turntable 34 of drive ring 5, By external magnet 51 and 37 magneticaction of internal magnet, activating turntable 34 will rotate with drive ring 5, make the locking of lock sheet 32 The enlarged open for holding the opening portion formed, passes through Kirschner wire and enters the receiving hole 15 at the center of actuator push rod 13, Kirschner wire After the length for reserving needs, actuating turntable 34 is reversely rotated by drive ring 5, lock sheet 32 is closed, and makes the locking of lock sheet 32 End is contradicted with Kirschner wire periphery, and the fixed locking Kirschner wire of solid lock unit 3, Kirschner wire are directed at the hole accomplished fluently in advance, make to adjust at this time Sleeve 12 around fixes sleeve 11 rotate, adjust sleeve 12 by conjugative component 4 drive actuator push rod 13 rotate, actuator push rod 13 with The internal screw thread of 11 right part of fixes sleeve engages, thus accommodating anterior displacement in pipe 2, while pushing solid lock unit 3 along appearance Receive 2 straight line anterior displacement of pipe, solid lock unit 3 drives drive ring 5 along the sliding of 2 outer wall of pipe is accommodated, and observation accommodates to be set on 2 periphery of pipe After having scale to show that the depth of Kirschner wire entrance, Kirschner wire enter the innermost end in the hole accomplished fluently in advance, actuator push rod 13 is just It does not readvance, the strong magnets 43 corresponding with driving guiding piece 42 of connector 41 misplace, connector 41 and driving 42 shape of guiding piece At idle running, drive the strong magnets 43 on guiding piece 42 that will attract ball 47, since 43 magnetic force of strong magnets is greater than absorption magnetic 46 magnetic force of iron draws ball 47 towards the movement of driving 42 direction of guiding piece, knocks in strong magnets 43 to impinge upon, when When strong magnets 43 turn over axial hole 45, adsorption magnet 46 knocks, this shows Kirschner wire again from new adsorption ball 47 The innermost end for having advanced into the hole being drilled, has reached wanted needling length, and operator hears that strike note just stops rotating adjusting set Cylinder 12, by the rotary-actuated turntable 34 of drive ring 5, the opening 36 for the opening portion for forming the locking end of lock sheet 32 expands, just Kirschner wire can be exited from accommodating in pipe 2.

Highly preferred embodiment of the present invention has illustrated, and the various change or remodeling made by those of ordinary skill in the art are not It can depart from the scope of the present invention.

Claims

1. a kind of orthopaedics Kirschner wire propeller, it is characterized in that: including propulsion unit (1), accommodating pipe (2) and for fixed gram The solid lock unit (3) of family name's needle, the propulsion unit (1) include fixes sleeve (11), adjust sleeve (12), actuator push rod (13) with And conjugative component (4), the actuator push rod (13) are equipped with threaded portion, the right part of the fixes sleeve (11) is equipped with and institute State the internal screw thread of the threaded portion engagement of actuator push rod (13), the right side for adjusting sleeve (12) and being connected to fixes sleeve (11) End, adjusting sleeve (12) can rotate around the axis of fixes sleeve (11), and the conjugative component (4) is connected to the transmission The right part of push rod (13), the inner circumferential for adjusting sleeve (12) are equipped with the guiding groove cooperated with the conjugative component (4) (14), the left end for accommodating pipe (2) and being connected to the fixes sleeve (11), the solid lock unit (3) are arranged in the receiving It manages in (2), the right end of the solid lock unit (3) and the left end of the actuator push rod (13) contradict and cooperate, the solid lock unit (3) Including base (31), multiple lock sheets (32), guidance disk (33) and actuating turntable (34), the base (31), guidance disk (33) and actuating turntable (34) is offered using center as the center of circle, the identical circular through hole of size, multiple lock sheets (32), Guidance disk (33) and actuating turntable (34) are successively set on from the inside to the outside in base (31), and multiple lock sheets (32) are propped up The circular through hole that can be opened and closed the base (31) is held into, rotation guiding groove (35) is provided on the guidance disk (33), it is described Lock sheet (32) is equipped with the guide post (19) with rotation guiding groove (35) cooperation, and the actuating turntable (34) is for driving the lock Tight piece (32) is opened and closed, and the locking end of multiple lock sheets (32) is formed with opening portion, and the opening portion has with base (31) opening (36) of open amount of opening, locking end and opening (36) of the lock sheet (32) are determined centered on circular through hole Interior Kirschner wire periphery contradicts cooperation.

2. a kind of orthopaedics Kirschner wire propeller according to claim 1, it is characterized in that: the conjugative component (4) includes Torque is provided on the faying face of connector (41) and driving guiding piece (42), the connector (41) and driving guiding piece (42) Limiter, torque limiter are the strong magnets being respectively embedded into connector (41) faying face and driving guiding piece (42) faying face (43), opposite strong magnets (43) are oppositely arranged with heteropolar, and the torque limiter to the actuator push rod (13) for applying Make the adjustings sleeve (12) relative to actuator push rod (13) idle running when adding predetermined an or more load.

3. a kind of orthopaedics Kirschner wire propeller according to claim 2, it is characterized in that: the connector (41) passes through spiral shell Line is incorporated in the rear end of the actuator push rod (13), and the driving guiding piece (42) is equipped with to be cooperated with the guiding groove (14) Key it is convex (44).

4. a kind of orthopaedics Kirschner wire propeller according to claim 3, it is characterized in that: being nested on receiving pipe (2) Have drive ring (5), for the drive ring (5) for driving the actuating turntable (34) to rotate, the drive ring (5) can be along receiving Manage the sliding of (2) outer wall.

5. a kind of orthopaedics Kirschner wire propeller according to claim 4, it is characterized in that: actuating turntable (34) is outer Week is equipped with mounting groove, is equipped with internal magnet (37) in the mounting groove, in the inner circumferential of the drive ring (5) with internal magnet (37) Corresponding position is equipped with external magnet (51), and the external magnet (51) is oppositely arranged with internal magnet (37) with heteropolar.

6. a kind of orthopaedics Kirschner wire propeller according to claim 5, it is characterized in that: the entrance for accommodating pipe (2) End is provided with fixing sleeve (6), and the fixing sleeve (6) is uniformly arranged by connecting cylinder (61) and along connecting cylinder (61) right end in back taper Elastic piece (62) composition, the connecting cylinder (61) and it is described accommodate pipe (2) inner wall be interference fitted connect.

7. a kind of orthopaedics Kirschner wire propeller according to claim 6, it is characterized in that: in the actuator push rod (13) The heart is equipped with Kirschner wire receiving hole (15).

8. a kind of orthopaedics Kirschner wire propeller according to claim 7, it is characterized in that: being opened on the adjusting sleeve (12) Equipped with positioning screw hole, a bulb positioning screw (16) places the annular groove of the positioning screw hole and fixes sleeve (11) that adjust sleeve (12) (17) it is closely slidably matched, limits and adjust sleeve (12) in the axial position of fixes sleeve (11).

9. a kind of orthopaedics Kirschner wire propeller according to claim 8, it is characterized in that: the periphery for accommodating pipe (2) On be provided with scale, described adjust is provided with scale corresponding with the scale accommodated on the periphery for managing (2), institute on sleeve (12) Fixes sleeve (11) are stated equipped with a scale reference line (18), the adjusting sleeve (12) rotates a circle, the actuator push rod (13) screw pitch is moved forward or back.

10. a kind of orthopaedics Kirschner wire propeller according to claim 9, it is characterized in that: the knot of the connector (41) It is provided on conjunction face axial hole (45), is provided with adsorption magnet (46) and ball (47), the absorption in the axial hole (45) Magnet (46) is fixed on the bottom of axial hole (45), and the ball (47) can be slided along the axial hole (45).