CN103735301A - Reset guider for acromioclavicular joint - Google Patents

Abstract

The invention discloses a reset guider for an acromioclavicular joint and relates to the technical field of medical instruments. The reset guider comprises a push part and a hook part; the push part is used for pressing collarbones; the hook part is used for hooking the coronoid; the hook part is of a hollow structure and is formed by the rod portion and the hook portion; the hook part also comprises a fine adjustment structure which is used for enabling the push part to move far away from or close to the hook part relative to the rod portion. According to the reset guider for the acromioclavicular joint, the two problems of acromioclavicular joint reset and coracoclavicular ligament repair are solved simultaneously; a coracoclavicular ligament repair channel is established when the acromioclavicular joint is reset and accordingly the operation steps are simplified; lead wires are fed into the hollow reset guider for the acromioclavicular joint and accordingly the acromioclavicular joint can be completely reset, meanwhile the risk of damage to upper limb blood vessel nerves which are close to the coronoid is prevented, the safety of the operation is ensured, and the suffered second operation pain and economic burden of a patient is avoided.

Description

Acromioclavicular joint reposition guider

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Technical field

The present invention relates to technical field of medical instruments, is a kind of acromioclavicular joint reposition guider.

Background technology

Acromioclavicular joint dislocation is common clinically, and how with coracoclavicular ligament fracture, to cause clavicle or clavicle near-end upward displacement, and for acromioclavicular joint dislocation, adopt such as the method such as fixing in draw point, clavicle hook is fixed, holdfast suture is fixing clinically at present, due to the not basic damage to acromioclavicular joint dislocation of these methods, namely coracoclavicular ligament is repaired or is rebuild, or, often can there is postoperative subluxation in the acromioclavicular joint that cannot reset accurately in operation, the mortality of operation is high; Acromioclavicular joint has the motions such as rotation in addition, adopts the fixed form of screw not meet people's psychological need, and in other, fixing operation needs second operation to take out internal fixation material, to patient, causes suffering and financial burden.

Summary of the invention

In order to overcome the deficiencies in the prior art, the technical problem to be solved in the present invention is in acromioclavicular joint reposition, also will set up a coracoclavicular ligament to repair passage.

For addressing the above problem, the technical solution adopted in the present invention is as follows: a kind of acromioclavicular joint reposition guider, comprise the top part to clavicle pressing, catch on the hook part of processus coracoideus, hook part is hollow structure, hook part is comprised of bar portion and hook part, also comprises and makes top part do away from hook part and approach the fine tuning structure of motion of hook part with respect to bar portion.

Acromioclavicular joint consists of facies articularis acromialis scapulae and extremitas acromialis claviculae articular surface, joint capsule is more lax, is attached to the periphery of articular surface, separately has the coracoclavicular ligament being connected in below processus coracoideus and clavicle to reinforce, acromioclavicular joint belongs to plane joint, can do the fine motion campaign of all directions.

In acromioclavicular joint reposition operation, penetrate by processus coracoideus or catch on processus coracoideus bottom with the hook part of hollow structure, top part is pressed in clavicle upper surface, by fine tuning structure, approach the motion of hook part, make clavicle draw close and reset to processus coracoideus, then with drill bit, on the clavicle position corresponding with processus coracoideus, hole.The hollow pipeline of hook part has just completed one with boring and has repaired the needed passage of ligament like this.From the hollow pipeline of hook part, enter with finer wire, from the boring of clavicle, pass, in operation, thin tendon used, artificial ligament pass through in pipeline by the guiding of finer wire, then top part is done away from the motion of hook part and unloads reset guide device with respect to bar portion by fine tuning structure, repairing so the needed tendon of ligament stays in passage, walk around processus coracoideus or pass from SC boring through processus coracoideus, so far having completed the preparation process of transplanting tendon; Reuse this reset guide device and make acromioclavicular joint reposition by abovementioned steps, the tendon that tension is transplanted, fixing tendon, on clavicle, completes operation.

Preferably: fine tuning structure is by forming below: bar portion upper surface is provided with laterally projecting portion to a side of hook part, and laterally projecting portion is provided with position, hole, and position, hole is provided with female thread, and top part is provided with external screw thread, and top part penetrates from position, hole; Top part can also be provided with screw bushing structure, and top part first passes screw bushing structure and then penetrates the position, hole of laterally projecting portion; Further improve, top part is hollow structure.

During operation, hook part catches on processus coracoideus, and top part is pressed in clavicle upper surface, rotates top part or to clavicle, apply downward power by rotation screw bushing structure clavicle is resetted; When top part is hollow structure, drill bit can be entered directly and holes at clavicle from the hollow pipeline of top part, also can in processus coracoideus, hole by this passage if needed.The hollow channel of the hollow channel of hook part and SC boring and top part has formed a complete ligament repair passage like this.The connected mode of helicitic texture, top part is connected more fixing with hook part, by helicitic texture, can carry out fine adjustments to the reset position of clavicle, reparation location to clavicle and coracoclavicular ligament is more accurate, when especially the outlet of the hollow channel of the lower end of top part exports on same vertical line with the hollow channel of hook part hook part, locate the most accurate.

Preferably: fine tuning structure is by forming below: top part is for establishing female hollow structure, and the bar portion of hook part is provided with external screw thread, and top part is connected in bar portion by thread bush.During operation, first with drill bit, on clavicle, hole, then with hook part, catch on processus coracoideus, rotating top part moves downward it, when contacting with clavicle, top part drive clavicle to reset downwards, the finer wire that tendon is transplanted in traction enters with the hollow channel that hook part bar portion overlaps from top part, walks around processus coracoideus and passes from clavicle boring.

Preferably: top part is provided with the width Handheld Division wider than top part width, or the protuberance laterally extending is as Handheld Division; And screw bushing structure can be provided with Handheld Division, more convenient during to top part pressurization or rotation screw bushing structure.

Preferably: at top part outer wall front end, be provided with groove, groove position is connected with the pad of hollow structure, and top part can directly not contact with clavicle like this, when top part rotates, the pad contacting with clavicle can not rotate, and this has just been avoided top part to rotate clavicle is caused to unnecessary additional injury; Pad and top part can, with projection and the groove structure clamping of arc, reduce friction; The wedging position of pad and top part groove is provided with ball, for reducing friction.

Preferably: the lower surface of pad, the face contacting with clavicle is provided with spine, prevents from sliding in the process of top part rotation pressurization.

Preferably: the cross section of top part is "T"-shaped.

Compared to existing technology, beneficial effect of the present invention is: solved acromioclavicular joint reposition and coracoclavicular ligament simultaneously and repaired two problems, in reset acromioclavicular joint, set up a coracoclavicular ligament and repair passage, simplified operating procedure.By hollow acromioclavicular joint reposition guider, send into guiding steel wire, in the acromioclavicular joint that resets completely, also avoided the risk near the upper limb nervus vasculairs damage of processus coracoideus, ensure operation safety, avoided patient to suffer the misery of second operation and burden economically.

Accompanying drawing explanation

Fig. 1 is that top part passes through the schematic diagram that laterally projecting portion is connected with hook part.

Fig. 2 is the schematic appearance that hollow top part is socketed in hook part bar portion.

Fig. 3 is the schematic diagram that pad is connected to top part front end unit with grooves in outer wall.

Fig. 4 is the schematic diagram that pad is connected to top part front inner wall groove.

The specific embodiment

Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.

Acromioclavicular joint consists ofscapula acromion 8 articular surfaces andclavicle 6acromion 8 end articular surfaces, joint capsule is more lax, is attached to the periphery of articular surface, separately has and is connected inprocessus coracoideus 7 andclavicle 6 coracoclavicular ligament reinforcing below, acromioclavicular joint belongs to plane joint, can do the fine motion campaign of all directions.

A kind of acromioclavicular joint reposition guider, comprise thetop part 1 to clavicle pressing, catch on the hook part 9 of processus coracoideus 7, hook part 9 is hollow structure, hook part 9 is comprised ofbar portion 2 andhook part 3, also comprises and makestop part 1 do away from hook part 9 and approach the fine tuning structure of the motion of hook part 9 with respect tobar portion 2.

In operation, with the position boring of drill bitcorresponding processus coracoideus 7 onclavicle 6, the finer wire that tendon is transplanted in traction enters from the hollow channel ofbar portion 2, along the passage of 9 li of hook parts then the boring 601 fromclavicle 6 pass, complete the preparation of transplanting tendon, while approaching the motion of hook part 9 by fine tuning structure top part with respect tobar portion 2,clavicle 6 is resetted, while doing the motion away from hook part 9, conveniently unload reset guide device.

Further improve, fine tuning structure is by forming below:bar portion 2 upper surfaces are provided with laterally projectingportion 4 to a side ofhook part 3, and laterally projectingportion 4 is provided with position, hole, and position, hole is provided with female thread, andtop part 1 is provided with external screw thread, andtop part 1 penetrates from position, hole.In acromioclavicular joint reposition operation, penetrate byprocessus coracoideus 7 or catch on processus coracoideus 7 bottoms with hook part 9,top part 1 is pressed in toclavicle 6 upper surfaces,top part 1 is rotated and exerted pressure, makeclavicle 6 draw close and reset to processus coracoideus 7.

Further improving, is hollow structure through thetop part 1 at position, hole.

In operation, by the hollow pipeline intop part 1, with hollow boring bit, onclavicle 6, hole, also can inprocessus coracoideus 7, hole by this pipeline.After having holed, hook part 9 can catch onprocessus coracoideus 7 or through the boring inprocessus coracoideus 7, the boring 601 on the hollow channel of hook part 9,clavicle 6 and the hollow pipeline throughtop part 1 have formed a complete ligament repair passage like this.From thebar portion 2 of hook part 9, enter in path as shown by the arrows in Figure 1 with finer wire, from the pipeline oftop part 1, pass, or without the pipeline oftop part 1, directly from the boring 601 ofclavicle 6, pass, in operation, thin tendon used, artificial ligament etc. also can pass through in pipeline, then unload reset guide device, thin tendon, artificial ligament etc. are stayed by the traction of finer wire and are repaired in passage, can complete the preparation process of traction transplanting tendon.Reuse this reset guide device and make acromioclavicular joint reposition by abovementioned steps, the tendon that tension is transplanted, fixing tendon, onclavicle 6, so far completes operation.When the hollow channel outlet oftop part 1 and clavicle contact jaw and hook part 9 hollow channels are when the outlet ofhook part 3 is on same vertical line, the location of coracoclavicular ligament being repaired to passage is the most accurate,top part 1 can be set as with hook part 9 can be completely separation, more convenient while unloading reset guide device.

Other steps are identical, also can directly be screwed into band wire holdfast through the pipeline oftop part 1, and the then knotting after the pull-out of the boring fromclavicle 6 by the line of holdfast, makes acromioclavicular joint reposition.

Further improve,top part 1 is provided with external screw thread, andtop part 1 passes screw bushing structure 5 and then penetrates the position, hole of laterally projecting portion 4.Rotation screw bushing structure 5 also applies a downward power to top part, andtop part 1 pressurization is downwards resettedclavicle 6.

Further improve,top part 1 is for establishing female hollow structure, and thebar portion 2 of hook part 9 is provided with external screw thread, andtop part 1 is socketed inbar portion 2 by helicitic texture.During operation, first with drill bit, onclavicle 6, hole, then with hook part 9, catch on processus coracoideus 7, rotatingtop part 1 moves downward it, when contacting withclavicle 6,top part 1drive clavicle 6 to reset downwards, the finer wire that tendon is transplanted in traction enters with the hollow channel that hook part 9bar portions 2 overlap fromtop part 1, walks aroundprocessus coracoideus 7 and passes from clavicle boring 601.

Further improve,top part 1 can be established the width Handheld Division wider than top part width, andtop part 1 cross section is "T"-shaped; Screw bushing structure 5 also can be establishedHandheld Division 501, and Handheld Division can be the protuberance laterally extending, easy to use.

Further improve, as shown in Figure 3 and Figure 4, attop part 1 front end outer wall or inwall, be provided with groove 201,202, groove position is connected with thepad 301 of hollow structure, 302,top part 1 can directly not contact withclavicle 6 like this, whentop part 1 rotates, thepad 301 contacting with clavicle 6,302 can not rotate, and this has just been avoidedtop part 1 in operation directly inclavicle 6 surface rotations, to cause unnecessary additional injury; The lower surface of pad 301,302 during with spine, can prevent that in operation process,top part 1 slides.

Acromioclavicular joint reposition guider can be titanium alloy material.

The present invention takes into account acromioclavicular joint reposition and coracoclavicular ligament reparation or reconstruction in operation, in reset clavicle, set up an accurately ligament repair passage for location, simplified operating procedure, in the acromioclavicular joint that resets completely, also avoided the risk near the upper limb nervus vasculairs damage of processus coracoideus, ensure operation safety, avoided patient to suffer the misery of second operation and burden economically.

Above-mentioned embodiment is only the preferred embodiment of the present invention; can not limit the scope of protection of the invention with this, the variation of any unsubstantiality that those skilled in the art does on basis of the present invention and replacement all belong to the present invention's scope required for protection.

Claims (9)

1. an acromioclavicular joint reposition guider, it is characterized in that: comprise the top part (1) to clavicle pressing, catch on the hook part (9) of processus coracoideus (7), hook part (9) is hollow structure, hook part (9) is comprised of bar portion (2) and hook part (3), also comprises and makes top part (1) do away from hook part (9) and approach the fine tuning structure of the motion of hook part (9) with respect to bar portion (2).

2. acromioclavicular joint reposition guider as claimed in claim 1, it is characterized in that: described fine tuning structure is by forming below: to hook part, one side of (3) is provided with laterally projecting portion (4) in bar portion (2) upper surface, laterally projecting portion (4) is provided with position, hole, position, hole is provided with female thread, top part (1) is provided with external screw thread, and top part (1) penetrates from position, hole.

3. acromioclavicular joint reposition guider as claimed in claim 1, it is characterized in that: described fine tuning structure is by forming below: top part (1) is for establishing female hollow structure, the bar portion (2) of hook part (9) is provided with external screw thread, and top part (1) is threaded with bar portion (2).

4. acromioclavicular joint reposition guider as claimed in claim 2, is characterized in that: described top part (1) is hollow structure.

5. acromioclavicular joint reposition guider as claimed in claim 2, is characterized in that: described top part (1) front end outer wall is provided with groove (201), and groove (201) position is connected with pad (301), and pad (301) is hollow structure.

6. acromioclavicular joint reposition guider as claimed in claim 2, is characterized in that: described top part (1) front inner wall is provided with groove (202), and groove (202) position is connected with pad (302), and pad (302) is hollow structure.

7. the acromioclavicular joint reposition guider as described in claim 5 or 6, is characterized in that: the lower surface of described pad is with spine.

8. the acromioclavicular joint reposition guider as described in claim 1-6 any one, is characterized in that: described top part (1) is provided with the width Handheld Division wider than top part width.

9. the acromioclavicular joint reposition guider as described in claim 1-6 any one, is characterized in that: described acromioclavicular joint reposition guider is titanium alloy material.

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