CN203841775U

CN203841775U - Bone fracture dislocation traction reduction device

Info

Publication number: CN203841775U
Application number: CN201420247785.8U
Authority: CN
Inventors: 丁凌志
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-05-14
Filing date: 2014-05-14
Publication date: 2014-09-24
Anticipated expiration: 2024-05-14

Abstract

The utility model provides a bone fracture dislocation traction reduction device, and belongs to the technical field of medical appliances. The bone fracture dislocation traction reduction device solves the problem that a bone fracture dislocation traction reduction device in the prior art is poor in universality and inaccurate in bone butt joint, and comprises a long-strip-shaped pipe body. A guide hole with the two through ends is formed in the pipe body. One end of the pipe body is the holding end, a notch is formed in the other end of the pipe body to form a working part, the notch axially extends from an end opening of the pipe body inwards, and the notch face of the working part is a smooth face. The bone fracture dislocation traction reduction device has the advantages of being high in universality and accurate in bone butt joint.

Description

A kind of fracture dislocation traction restorer

Technical field

This utility model belongs to medical instruments technical field, relates to a kind of fracture dislocation traction restorer.

Background technology

Due to the fast development of industry and transportation, the incidence rate of all kinds of fracture obviously increased in the last few years.When skeleton all fractures, be easy to occur knochenbruch dislocation., when the skeleton of dislocation is resetted, be at present substantially all the mode that adopts manual alignment, the drawing by extraneous manpower resets bone, and then is for further processing.But find in long-term practice, the mode of manual reset exists many deficiencies, as at least needed two people to operate, and require great effort very much.In addition, there is blindness in the mode of manual reset, sometimes need repeatedly to dock the good reset that just can enter to realize skeleton, so not only increased patient's misery, also likely make the soft tissue or the nerve that in patient body, are associated with fracture receive damage simultaneously, when serious, even can not recover all the life because operate miss causes patient's fracture.

For the problems referred to above, also there is Crinis Carbonisatus to understand the device that some bones that can assist the dislocation that fractures reset.As Chinese patent literature discloses a kind of tibia, fibula double fracture dislocation traction resetting device (application number: 201320356057.6), this device comprises two traction tubes, one governor motion and two elastic joint retainer rings, traction tube comprises the first traction tube and the second traction tube, governor motion comprises some ratchets and a screw mandrel, ratchet is fixed in the first traction tube tube chamber, the silk portion of screw mandrel is trapezoidal silk, screw mandrel end is fixed in the second traction tube tube chamber, the trapezoidal silk of front end is stuck on ratchet, two elastic joint retainer rings are separately positioned on the first traction tube and the second traction tube end.This device is only only applicable to the fracture dislocation at tibia, fibula place, and the scope of application is comparatively limited to, so practicality is not very strong, is difficult to be promoted utilization.In addition, this device, when skeleton is resetted, also cannot learn whether skeleton docks accurately, and still the main feel by doctor judges, therefore the same with the mode of manual reset, has blindness.

Summary of the invention

The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind of fracture dislocation traction restorer, and this positor has highly versatile, skeleton docks feature accurately.

The purpose of this utility model can realize by following technical proposal: a kind of fracture dislocation traction restorer, it is characterized in that, this traction restorer comprises the body that is strip, in described body, there is the guide hole that two ends are run through, one end of described body is holding end, the other end end of body forms operate portions by offering breach, and described breach is axially extended internally by the port of body, and the breach face of described operate portions is smooth.

After skeleton fractures, the bone of whole is fractured into two knochenbruch, wherein has a knochenbruch can produce dislocation.When the skeleton in doubling dislocation position resets, first operate portions one end of body is stretched into from one end of a knochenbruch wherein, from the other end of this knochenbruch, stretch out, the end face of body operate portions is resisted against on the end face of dislocation knochenbruch afterwards, now only need hold the holding end of the body of rod, and the knochenbruch that firmly prizes dislocation moves to correct position, until the operate portions of body can stretch into the knochenbruch of dislocation time, illustrates that the knochenbruch position of dislocation has been corrected.Skeleton is the structure of hollow, has bone marrow in skeleton.Because the breach face of operate portions is smooth, there is no sharp seamed edge, when body inserts bone marrow interior, can farthest reduce damage that bone marrow is caused, be conducive to the recovery of injured skeleton.This traction restorer can be corrected different skeletons, versatility and practical.And this traction restorer, when body can insert two knochenbruch, just can determine that the knochenbruch position of dislocation is corrected simultaneously, docking precisely, has improved the quality of operation and the convenience of operation to a great extent.

In above-mentioned fracture dislocation traction restorer, described operate portions comprises the operate portions one that is positioned at body outer end and the operate portions two that is positioned at operate portions one the inner, and the relative operate portions two of described operate portions one radially bends inwards along body.Because the relative operate portions two of operate portions one radially bends inwards along body, so the periphery wall of operate portions one has certain inclination and forms an inclined-plane.Through prizing knochenbruch position deviation that process makes dislocation hour, the inwall of this knochenbruch abuts against the periphery wall of operate portions one, because the periphery wall of operate portions one is inclined-plane, therefore continuing to insert in the process of body, the inwall of dislocation knochenbruch abuts against inclined-plane motion, rely on the guide effect on the inclined-plane knochenbruch position that can make to misplace slowly to be corrected, in the time of in the knochenbruch of the whole insertion dislocation of operate portions, has just corrected the knochenbruch position of dislocation.Obviously, the knochenbruch that the design on inclined-plane makes dislocation in position deviation hour, without the knochenbruch that prizes again dislocation, only need continue body to insert, and just can realize the rectification of dislocation knochenbruch, makes more convenient to operate.

In above-mentioned fracture dislocation traction restorer, described breach face is step face, this breach face comprises the step surface one being positioned in operate portions one and is positioned at the step surface two in operate portions two, between described step surface one and step surface two, by round and smooth transition face, is connected.Step surface one and step surface two are straight plane, and step surface one is less than step surface two to the distance of operate portions two periphery walls to the distance of operate portions periphery wall.By such design, make the height dimension of operate portions one be less than the height dimension of operate portions two.Such design can guarantee that operate portions integral body has certain length, improves the precision of correcting, and can also guarantee in addition in prizing the process of skeleton, and operate portions is difficult for producing deformation.The height dimension of operate portions one is less, therefore can insert in some thinner dislocation knochenbruch, and thinner dislocation knochenbruch is corrected, and increases the versatility of this traction restorer.Simultaneously, because operate portions one bends inwards adding man-hour requirement, such design has reduced the intensity of operate portions one, makes operate portions one comparatively laborsaving when bending, reaches object easy to process.

In above-mentioned fracture dislocation traction restorer, described body holding end is fixed with handle, on described handle, offers through hole, described through hole and described guide hole concentric, one end of described guide hole is connected with breach, and the other end of guide hole is connected with described through hole.Handle capable of being handled easily is set, and through hole and described guide hole concentric, can facilitate intramedullary needle guide pin to penetrate in body.

In above-mentioned fracture dislocation traction restorer, described body is straight body.

In above-mentioned fracture dislocation traction restorer, the length of described body is 36cm～42cm.Be preferably 38cm.

In above-mentioned fracture dislocation traction restorer, described body is that metal material is made.

Compared with prior art, this fracture dislocation traction restorer has the following advantages:

1, this traction restorer is when operation, and the damage that bone marrow is caused is little, and docking simultaneously precisely, can promote operation quality to a great extent, is conducive to the recovery of injured skeleton.

2, this traction restorer can be corrected, reset different skeletons, has versatility and practical.

3, this traction restorer also has advantages of simple in structure, low cost of manufacture, has obtained considerable actual effect in clinical practice, is applicable to extensively promoting the use.

Accompanying drawing explanation

Fig. 1 is the perspective view of this fracture dislocation traction restorer.

Fig. 2 is the enlarged drawing at A place in Fig. 1.

Fig. 3 is the sectional structure schematic diagram of this fracture dislocation traction restorer.

Fig. 4 is the enlarged drawing at A place in Fig. 3.

Fig. 5 is the right side structural representation of this fracture dislocation traction restorer.

Fig. 6 is the plan structure schematic diagram of this fracture dislocation traction restorer.

Fig. 7 is the using state schematic diagram one of this fracture dislocation traction restorer.

Fig. 8 is the using state schematic diagram two of this fracture dislocation traction restorer.

Fig. 9 is the using state schematic diagram three of this fracture dislocation traction restorer.

In figure, 1, body; 11, holding end; 12, operate portions; 12a, operate portions one; 12b, operate portions two; 2, breach; 3, guide hole; 4, step surface one; 5, step surface two; 6, transition face; 7, hands handle; 8, through hole.

The specific embodiment

Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but this utility model be not limited to these embodiment.

As shown in Fig. 1, Fig. 3, Fig. 5 and Fig. 6, this fracture dislocation traction restorer comprises and is body 1 straight, strip, and body 1 is made by metal material.In above-mentioned fracture dislocation traction restorer, the length of body 1 is 38cm, in Practical manufacturing process, can increase according to actual needs and reduce the length of body 1, and the length of general body 1 is between 36cm～42cm.In body 1, have the guide hole 3 running through at two ends, one end of body 1 is holding end 11, and the other end end of body 1 forms operate portions 12 by offering breach 2, and as shown in Figure 2, breach 2 is axially extended internally by body 1 port, and the breach face of operate portions 12 is smooth.Particularly, this operate portions 12 comprises operate portions one 12a that is positioned at body 1 outer end and operate portions two 12b that are positioned at operate portions one 12a the inner, as shown in Figure 4, relative operate portions two 12b of operate portions one 12a radially bend inwards along body 1, make the periphery wall of operate portions one 12a have certain inclination and form an inclined-plane.Breach face is step face, and this breach face comprises the step surface 1 being positioned on operate portions one 12a and is positioned at the step surface 25 on operate portions two 12b, between step surface 1 and step surface 25, by round and smooth transition face 6, is connected.Step surface 1 and step surface 25 are straight plane, and step surface 1 is less than step surface 25 to the distance of operate portions two 12b periphery walls to the distance of operate portions 12 periphery walls.

For handled easily, at body 1 holding end 11, be fixed with handle 7, on handle 7, offer through hole 8, through hole 8 and guide hole 3 concentrics, one end of guide hole 3 is connected with breach 2, and the other end of guide hole 3 is connected with through hole 8.

Fig. 7 to Fig. 9, for adopting this traction restorer to carry out reduction operation three processes roughly, introduces the using method of this traction restorer below in conjunction with accompanying drawing.Particularly, after skeleton fractures, the bone of whole is fractured into two knochenbruch, wherein has a knochenbruch can produce dislocation.First as shown in Figure 7, when the skeleton in doubling dislocation position resets, first the operate portions of a body 1 12a end is stretched into from one end of a knochenbruch wherein, from the other end of this knochenbruch, stretch out, the end face of body 1 operate portions 12 is resisted against on the end face of dislocation knochenbruch afterwards, now only need hold the holding end 11 of the body of rod, and the knochenbruch that firmly prizes dislocation moves to correct position.As shown in Figure 8 with shown in Fig. 9, through prizing process, the knochenbruch position deviation of dislocation hour, the inwall of this knochenbruch abuts against the periphery wall of operate portions one 12a, because the periphery wall of operate portions one 12a is inclined-plane, is therefore continuing to insert in the process of body 1, the inwall of dislocation knochenbruch abuts against inclined-plane motion, rely on the guide effect on the inclined-plane knochenbruch position that can make to misplace slowly to be corrected, in the time of in the knochenbruch of the whole insertion dislocation of operate portions 12a, has just corrected the knochenbruch position of dislocation.Afterwards, by intramedullary needle guide pin by penetrating and insert in guide hole 3 in two knochenbruch, then positor is extracted, now intramedullary needle guide pin is trapped in skeleton, finally, under the draw of intramedullary needle guide pin, hollow intramedullary needle is enclosed within on intramedullary needle guide pin and is inserted in skeleton, take out intramedullary needle guide pin, intramedullary needle is fixed to sew up wound.

Specific embodiment described herein is only to the explanation for example of this utility model spirit.This utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.

Although more used the terms such as body 1, holding end 11, operate portions 12, operate portions one 12a, operate portions two 12b, breach 2, guide hole 3, step surface 1, step surface 25, transition face 6, handle 7, through hole 8 herein, do not got rid of the probability of using other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with this utility model spirit.

Claims

1. a fracture dislocation traction restorer, it is characterized in that, this traction restorer comprises the body (1) that is strip, in described body (1), there is the guide hole (3) running through at two ends, one end of described body (1) is holding end (11), the other end end of body (1) forms operate portions (12) by offering breach (2), described breach (2) is axially extended internally by the port of body (1), and the breach face of described operate portions (12) is smooth.

2. fracture according to claim 1 dislocation traction restorer, it is characterized in that, described operate portions (12) comprises the operate portions two (12b) that is positioned at the operate portions one (12a) of body (1) outer end and is positioned at operate portions one (12a) the inner, and described operate portions one (12a) relatively operate portions two (12b) radially bends inwards along body (1).

3. fracture according to claim 2 dislocation traction restorer, it is characterized in that, described breach face is step face, this breach face comprises the step surface one (4) being positioned in operate portions one (12a) and is positioned at the step surface two (5) in operate portions two (12b), between described step surface one (4) and step surface two (5), by round and smooth transition face (6), is connected.

4. according to the fracture dislocation traction restorer described in claim 1 or 2 or 3, it is characterized in that, described body (1) holding end (11) is fixed with handle (7), on described handle (7), offer through hole (8), described through hole (8) and described guide hole (3) concentric, one end of described guide hole (3) is connected with breach (2), and the other end of guide hole (3) is connected with described through hole (8).

5. according to the fracture dislocation traction restorer described in claim 1 or 2 or 3, it is characterized in that, described body (1) is straight body (1).

6. according to the fracture dislocation traction restorer described in claim 1 or 2 or 3, it is characterized in that, the length of described body (1) is 36cm～42cm.

7. according to the fracture dislocation traction restorer described in claim 1 or 2 or 3, it is characterized in that, described body (1) is made for metal material.