CN86206924U - Multi-functional outer fixed support for renovating and repairing fracture of phalanx - Google Patents

Abstract

The utility model relates to a multifunctional outer fixing support for renovating and repairing fractures of finger metacarpal bone fractures, which belongs to medical appliances and mainly solves the problems of healthy finger metacarpal bone and articular surface damage, complication of surgical operations, etc. produced by using hard the internal fixing method to fix finger metacarpal bone fractures. The multifunctional outer fixing support for renovating and repairing fractures of finger metacarpal bones has the technical proposal that two Kirschner wires are respectively used for penetrating into both ends of a fracture, the distance between the two Kirschner wires and the positions of the two Kirschner wires are adjusted by the support, and then the fracture is reset. After the support is braked and fixed, patients can wear the support to do functional exercise which can promote the union of fractures. The support can be used for resetting and fixing various finger metacarpal bone fractures, and resetting and correcting various angled, rotary, and overlapping and deformed fractures. The support is small and light, has simple and convenient operation and reliable fixation, and can close and fix bone fractures.

Description

Multi-functional outer fixed support for renovating and repairing fracture of phalanx

The fingers and palms bone reduction multifunctional exterior fixing rack that this utility model relates to belongs to medical apparatus and instruments.

In this field, unstable fracture, dislocation or severed finger to the fingers and palms bone, usually adopt hard inner fixed law, promptly the end diagonal in fracture penetrates Kirschner wire by other end fingers and palms bone or the fixing fracture of articular surface, healthy fingers and palms bone or articular surface have been destroyed like this, and influence the early functional exercise of articular surface, it is not good to be easy to cause the back to lose function of joint.Also fixation such as available miniature steel plate, but operation is complicated, and speed of fracture union is slow.The external fixation in " osteoarthrosis magazine " (Britain plate VOL63-B, in January, 1981) is applied in complicated fracture of tibia one literary composition has described a kind of single armed, spininess, bone cement exterior fixation bracket, this support is only applicable to fracture of tibia, and its structure function, fixed form, the complexity of operation all is unwell to fingers and palms bone reduction and fixes.

The purpose of this utility model provides a kind of can reduction fixing fracture, do not destroy healthy fingers and palms bone and articular surface again, and can fix the back patient and can carry out functional exercise promotion union of fracture in a short time, the fingers and palms bone reduction multifunctional exterior fixing rack that is suitable for various fingers and palms bones fracture easy and simple to handle.

The technical scheme that realizes this utility model purpose is, fingers and palms bone reduction multifunctional exterior fixing rack, has Kirschner wire, it is characterized in that, have annular knurl handwheel screw axle, the optical axis position of screw shaft is provided with the unthreaded hole pillar, and the threaded rod position of screw shaft is provided with the internal thread hole pillar, be respectively arranged with the Kirschner wire fixation clamp on two pillars, also have the annular knurl trip bolt.

Unthreaded hole pillar on the screw shaft can rotate arbitrarily angled around screw axis, and angle is fixed with the annular knurl trip bolt after determining.Internal thread hole pillar on the screw shaft and screw shaft screw thread position are thread connection, and the annular knurl handwheel of rotating screw bolt axle can adjust the internal thread hole pillar and unthreaded hole props up intercolumniation from reaching the orientation, and the orientation is fixed with the annular knurl trip bolt after determining.The Kirschner wire fixation clamp that is provided with respectively on two pillars can also can move along the boom shaft axis direction around the pillar shaft rotary random angle respectively, and available annular knurl trip bolt was fixed after the position was determined.Have folder pin open slot and folder pin hole on the Kirschner wire fixation clamp, string is moving up and down in can the folder pin hole in open slot for Kirschner wire, after determining with pin length, with the annular knurl trip bolt pin is fixed on the fixation clamp.The annular knurl position of each annular knurl trip bolt has a through hole.Also has a shelf attachment, the cylindrical spanner and the protector of threading a needle.

Advantage of the present utility model is to have multifunctionality, can be applicable to various fingers and palms bone fracture and Benne

The reduction of the fracture such as family name's fracture, replantation of amputated finger, the dislocation of hand osteoarthrosis and part pathological fracture are fixed, and are applicable to that various fingers and palms bones fracture into angle, rotation, overlapping teratism reduction and proofread and correct.This supporting structure advantages of simple, volume tunable performance little, in light weight, mechanism satisfy various fingers and palms bone fracture needs, and have easy and simple to handle, adjust flexibly, fixing reliable, can be closed fixing to fresh fracture, do not damage advantage such as adjacent joints, belong to half hard fixation with the fixing fracture of this support, therefore general fingers and palms bone fracture is tempered the functional activity that carries out hands of can following the doctor's advice of second day patient after the fracture fixation, the generation physiological stress that fracture is interrupted stimulates, thereby promotes the healing of fracture.The advantage that also has convenient disassembly after the union of fracture.

Accompanying drawing has been described an embodiment of the present utility model.

Fig. 1, shaft side figure of the present utility model.

Fig. 2, vertical view of the present utility model.

1 annular knurl handwheel screw axle among the figure, 2 back-up rings, 3 unthreaded hole pillars; 4 unthreaded hole pillar side bodies; 5 unthreaded hole pillar cylinders, 6 internal thread hole pillars, 7 internal thread hole pillar side bodies; 8 internal thread hole pillar cylinders; 9 internal thread hole pillar cylinder axle center lines, 10 unthreaded hole pillar cylinder axle center lines, 11 Kirschner wire fixation clamps; 12 annular knurl trip bolts; spanner through hole on the annular knurl handwheel position of 13 milled screws, 14 Kirschner wires, 15 folder pin holes; 16 annular knurl trip bolts; 17 Kirschner wire fixation clamp open slots, 18 annular knurl trip bolts, 19 cylindrical spanners; 20 protectors of threading a needle, 21 pin holes.

The embodiment that provides below in conjunction with accompanying drawing, this utility model is further described, as shown in the figure, fingers and palms bone reduction of the fracture multifunctional exterior fixing rack has two Kirschner wires (14), two pins are set at respectively in the folder pin hole (15) of Kirschner wire fixation clamp (11) upper shed groove (17), can go here and there up and down according to the fracture needs and to adjust Kirschner wire (14), required pin long definite after, with annular knurl trip bolt (12) pin (14) is clamped on the Kirschner wire fixation clamp (11).Two Kirschner wire fixation clamps (11) are installed in respectively on internal thread hole pillar cylinder (8) and the unthreaded hole pillar cylinder (5), and can rotate around the axial line (9) of cylinder (8) or the axial line (10) of cylinder (5) respectively, and can move along axial line (9) or axial line (10) direction respectively, then available annular knurl trip bolt (16) was separately fixed at fixation clamp (11) on cylinder (8) or (5) after the orientation was determined.Back-up ring (2) can be the opening circlip, the square body (4) that the back-up ring (2) on the screw shaft (1) and the screw shaft shaft shoulder have limited unthreaded hole pillar (3) moves along the screw shaft direction of axis line, but unthreaded hole pillar (3) can rotate arbitrarily angled around the screw shaft axial line, after the orientation was determined, available annular knurl trip bolt (18) was fixing.Internal thread hole pillar (6) has the threaded rod position thread connection of square body (7) Yu the screw shaft (1) of internal thread hole by it, when rotary screw axle annular knurl handwheel, pillar (6) moves forward and backward or rotates along screw thread adjusts distance or orientation between two Kirschner wires, and distance or orientation determine that the available annular knurl trip bolt in back (18) is fixing.Be equipped with spanner through hole (13) on all annular knurl trip bolts (12), (16), (18), can penetrate with the cylindrical spanner (19) that adnexa provides in the spanner through hole (13) when needing, come afterburning fastening.During work, under X-ray machine monitors, two Kirschner wires (14) are penetrated on the fingers and palms bone at fracture two ends (for preventing secondary the damage, the Shi Keyong that the threads a needle protector (20) of threading a needle inserts a needle in the pin hole (21)) respectively.And under perspective, advise the patients function activity, para-position had or not influence to fracture when activity was looked in sight, if any unstable factor, adjusted support and made the correct para-position of bone and firmly brake the location.Rotating screw bolt axle (1) is adjusted distance between two pillars (3), (6) (adjust apart from time operator should gently hold up pillar (6), (3) anti-its rotation), fracture end had traction reduction and pressurization, but the traction reduction reduction of the fracture, pressurization can promote union of fracture.Two pillars (3), (6) rotate relatively around the screw shaft axial line, correct the fracture rotation deformity, and two Kirschner wire fixation clamps (11) rotate rectifiable fracture-angle abnormality around axial line (10), (9) of two pillars (3), (6).After reduction was fixing, patient can have on support and carry out the functional activity exercise, after the union of fracture, support can easily be laid down and pulled out Kirschner wire (14).

Claims (7)

1, medical apparatus and instruments.Fingers and palms bone reduction multifunctional exterior fixing rack, has Kirschner wire [14], it is characterized in that, has annular knurl handwheel screw axle [1], the optical axis position of screw shaft [1] is provided with unthreaded hole pillar [3], the threaded rod position of screw shaft [1] is provided with internal thread hole pillar [6], is respectively arranged with Kirschner wire fixation clamp [11] on two pillars [3], [6], and has annular knurl trip bolt [12] [16] [18].

2, fingers and palms bone reduction multifunctional exterior fixing rack according to claim 1, it is characterized in that, the back-up ring (2) that is provided with on the optical axis of the shaft shoulder of screw shaft (1) and spiral shell axostylus axostyle (1) has limited unthreaded hole pillar (3) and has moved along the screw shaft axis direction, the unthreaded hole of unthreaded hole pillar (3) connects movingly with the optical axis position of screw shaft, it is arbitrarily angled that axis (10) can be rotated around the screw shaft axis perpendicular to the unthreaded hole pillar cylinder (5) of screw shaft axis, and can unthreaded hole pillar (3) be fastened on the screw shaft (1) by the annular knurl trip bolt (18) of going up setting at the square body (4) of unthreaded hole pillar (3).

3, fingers and palms bone reduction multifunctional exterior fixing rack according to claim 1, it is characterized in that, internal thread hole pillar (6) is a thread connection with the threaded rod position of screw shaft (1), when the annular knurl handwheel of rotating screw bolt axle (1), internal thread hole pillar (6) can move along the axis direction of screw shaft (1) adjusts internal thread hole pillar (6) distance between the unthreaded hole pillar (3) relatively, after required separation distance is selected, can goes up the annular knurl trip bolt (18) that is provided with by the square body (7) of internal thread hole (6) internal thread hole pillar (6) is fixed on the screw shaft (1).

4, according to the fingers and palms bone reduction exterior fixation bracket of claim 1, it is characterized in that, the Kirschner wire fixation clamp (11) that is provided with respectively on unthreaded hole pillar (3) and the internal thread hole pillar (6), respectively around boom shaft axis (10) (9) rotatable arbitrarily angled, can move forward and backward along pillar axes (10) (9) direction respectively, after the orientation is determined, fixation clamp (11) is separately fixed on the pillar (3) (6) by going up the annular knurl trip bolt that is provided with at fixation clamp (11).

5, according to the fingers and palms bone reduction exterior fixation bracket of claim 1, it is characterized in that, has folder pin open slot (17) on the Kirschner wire fixation clamp (11), folder pin hole (15), Kirschner wire (14) can be gone here and there up and down in folder pin hole (15), after determining with pin length, can pass through fixation clamp (11) and go up perpendicular to folder pin open slot (17), the annular knurl trip bolt (12) that folder pin hole (15) is provided with is fixed on Kirschner wire (14) on the fixation clamp (11).

6, according to the fingers and palms bone fracture multifunctional exterior fixing rack of claim 1, it is characterized in that the annular knurl position of annular knurl trip bolt (12) (16) (18) has through hole (13).

7, fingers and palms bone fracture multifunctional exterior fixing rack adnexa is characterized in that having cylindrical spanner (19), has the protector of threading a needle (20).

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