CN211674497U

CN211674497U - Integrated bone tractor

Info

Publication number: CN211674497U
Application number: CN201921595346.5U
Authority: CN
Inventors: 赵家殳
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-10-16
Anticipated expiration: 2029-09-24

Abstract

The utility model relates to an orthopedics medical instrument technical field specifically provides an integral type bone tractor, including telescopic link (4) and set up respectively in joint portion (2) and pulley (5) at telescopic link (4) both ends, joint portion (2) with still be provided with base (1) between telescopic link (4), telescopic link (4) rotatable peg graft in on base (1), still offer on base (1) and be used for placing storage tank (14) of telescopic link (4), still be provided with dynamics regulator (6) on telescopic link (4). The beneficial effects of the utility model reside in that, abandoned traditional brown's frame and weight and pull for it is more convenient to carry the use, also is applicable to the treatment of child's fracture simultaneously, has reduced medical cost.

Description

Integrated bone tractor

Technical Field

The utility model relates to an orthopedic medical appliance, in particular to an integrated bone tractor.

Background

At present, the bone tractor in the prior art refers to fig. 1 and comprises a traction arch a and a kirschner wire c, wherein a pull ring b is arranged on the traction arch a, and when the bone tractor is used for treatment, the bone tractor is often assisted by a Brown's frame. The existing treatment process is as follows: and (3) penetrating the Kirschner wire c into the traction bow a, driving the Kirschner wire c into the bone, and drawing the traction wire through the pull ring b. The use method of the Braun frame is that the lower limbs of a patient are placed on the Braun frame, and the pulling ring b is connected with a heavy object through a pulling pulley by a pulling rope to pull the pulling ring b, so that the purpose of treatment is achieved.

In the treatment of child fracture, the bone of the child can be injured by the method, and the growth of the bone is influenced, so that the current fracture treatment of the child adopts a suspension traction method, namely, the leg of the child is vertically suspended by a special hospital bed to achieve the purpose of treatment. Therefore, hospitals need to prepare a plurality of treatment devices for patients of different ages, increasing medical costs.

When adopting the brown's frame to carry out the treatment of this type of fracture, although the effect is good, but also there are more problems simultaneously, firstly the whole framework of brown's frame is great, when needs use, the transport is comparatively troublesome to the heavy object that pulls at present adopts the form of weight, and in order to obtain comparatively accurate traction force, the kind of weight is also various, this just makes to deposit and take all very troublesome, and factor of safety is also not high when using, injures medical personnel easily. Moreover, even if a plurality of weights are adopted, the traction force is difficult to be accurate, and the treatment effect is influenced.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art and providing an integrated bone tractor which is convenient to use and can provide accurate traction force.

The utility model provides a technical scheme that above-mentioned problem adopted is: the utility model provides an integral type bone tractor, include the telescopic link and set up respectively in joint portion and the pulley at telescopic link both ends, joint portion with still be provided with the base between the telescopic link, the telescopic link is rotatable peg graft in on the base, still offer on the base and be used for placing the storage tank of telescopic link, still be provided with the dynamics regulator on the telescopic link.

In some embodiments, the base includes a first limiting plate and a fixing rod rotatably engaged with the telescopic rod, the first limiting plate is provided with a through hole into which the telescopic rod is inserted, the telescopic rod is provided with a sliding groove engaged with the fixing rod along a length direction, and when the fixing rod abuts against an end of the sliding groove far away from the pulley, the telescopic rod is not inserted into the through hole.

In some embodiments, a second limiting plate for limiting a rotation direction of the telescopic rod is further disposed in the base, and when the telescopic rod and the through hole are located on the same axis, the second limiting plate abuts against the telescopic rod, and the accommodating groove is formed between the second limiting plate and the inner wall of the base.

In some embodiments, a reset piece is arranged between the clamping portion and the base, one end of the reset piece is rotatably connected with the clamping portion, and the other end of the reset piece is fixedly connected with the base.

In some embodiments, the clamping portion includes a connecting seat and a plurality of connecting rods disposed on the connecting seat, the base has a connecting groove into which the connecting rod is inserted, the reset member is rotatably connected to the connecting portion, and when the reset member is in an initial state, the connecting rod extends into the connecting groove.

In some embodiments, the connecting rods are four and equally spaced around the reset element.

In some embodiments, the clamping portion is further provided with two clamping sheets, and a cavity for clamping the bed rod is formed between the two clamping sheets.

In some embodiments, the clamping portion is further provided with an adjusting device for adjusting the distance between the two clamping sheets.

In some embodiments, the telescopic rod comprises an inner rod and an outer rod, and the outer wall of the inner rod and the inner wall of the outer rod are provided with matching threads.

In some embodiments, the force adjuster is disposed on the outer rod.

The beneficial effects of the utility model reside in that:

1. the dependence on the Braun frame is abandoned, so that the carrying and the use are more convenient.

2. Weight is abandoned for traction, and a mode of a force regulator is adopted, so that traction force setting is more accurate.

3. Through setting the inclination angle of the utility model on the bed edge, the matching pulley can be used for suspension traction of children, and special sickbeds do not need to be prepared additionally, thus effectively reducing the medical cost.

4. Through set up the storage tank on the base to rotate the telescopic link and set up on the base, make when not using, can directly accomodate the telescopic link in the storage tank, be convenient for accomodate.

5. The traction is carried out by adopting a force regulator, the safety factor of medical care personnel is greatly improved, the injury of the medical care personnel caused by the traditional weight is effectively avoided,

drawings

FIG. 1 is a schematic view of a prior art traction bow and Kirschner wire;

FIG. 2 is a schematic view of the overall structure of an integrated bone distractor of the present invention;

FIG. 3 is a schematic view of another perspective of the integrated bone distractor of the present invention;

FIG. 4 is an enlarged schematic view of portion A of FIG. 3;

FIG. 5 is a schematic plan view of an integrated bone distractor of the present invention;

FIG. 6 is an enlarged schematic view of portion B of FIG. 5;

fig. 7 is a schematic structural view of the reset member of fig. 6 after stretching;

FIG. 8 is a schematic view illustrating a process of accommodating the retractable rod of the integrated bone tractor according to the present invention;

FIG. 9 is a schematic view of the base of the integrated bone distractor of the present invention;

in the drawings: 1. a base; 2. a clamping part; 3. an adjustment device; 4. a telescopic rod; 5. a pulley; 6. a force adjuster; 7. a reset member; 11. a first limit plate; 12. fixing the rod; 13. a second limiting plate; 14. a containing groove; 15. a through hole; 16. connecting grooves; 21. a clip sheet; 22. a connecting rod; 23. a connecting seat; 41. a chute; 42. an inner rod; 43. an outer rod; 71. and rotating the sheet.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Referring to fig. 1 to 9, an integrated bone tractor comprises a telescopic rod 4, and a clamping portion 2 and a pulley 5 respectively arranged at two ends of the telescopic rod 4, wherein the clamping portion 2 is used for being clamped on a sickbed, and the pulley 5 is used for penetrating a plurality of traction ropes. The clamping portion 2 with still be provided with base 1 between the telescopic link 4, the telescopic link 4 is rotatable peg graft in on the base 1, still offer on the base 1 and be used for placing the storage tank 14 of telescopic link 4, still be provided with dynamics regulator 6 on the telescopic link 4. It should be noted that the force regulator can be purchased in the market, i.e. it is sufficient to generate a specific pulling force to the pulling rope, for example, in this embodiment, a commercially available fishing reel is adopted, which includes a cylindrical housing 61, a central shaft portion of the housing is rotatably provided with a rotating post 62, the rotating post 62 is provided with a rotating rod 63, by applying force to the rotating rod 63, the rotating post 62 can be driven to rotate, and the fishing reel is provided with a metal wire, and the metal wire is wound around the rotating post 62, when in use, the metal wire can be connected with the pulling bow, and by testing, the linear relationship between the pulling force and the pulling wire is obtained, so that accurate force application to the metal wire can be realized. Meanwhile, in the present embodiment, a connecting piece 64 is further included, one end of which is fixed to the outer rod and the other end of which is fixed to the housing 61. The fishing reel market capable of realizing the function is available everywhere, such as a mace raft silver fox fishing reel produced by Ou-Jia fishing gear, a small overlord RD-6CM produced by ant king, and the like. Since the shapes of products in the market may be different, in the actual production process, the fishing reel can be assembled according to the actual purchased fishing reel condition.

As a better embodiment, the base 1 includes a first limiting plate 11 and a fixing rod 12 rotatably matched with the telescopic rod 4, a through hole 15 for inserting the telescopic rod 4 is formed in the first limiting plate 11, and when the telescopic rod 4 extends into the through hole 15, the telescopic rod 4 cannot rotate around the fixing rod 12 due to the effect of the first limiting plate 11. The telescopic rod 4 is provided with a sliding groove 41 matched with the fixed rod 12 along the length direction, and when the fixed rod 12 is abutted to one end, far away from the pulley 5, of the sliding groove 41, the telescopic rod 4 is not inserted into the through hole 15. Specifically, referring to fig. 5, the size of the sliding groove 41 should be adapted to the size of the fixing rod 12, i.e. the sliding groove can rotate around the fixing rod 12 and can also translate along the direction of the sliding groove 41. When dead lever 12 and the leftmost butt of spout 41, telescopic link 4 does not stretch into in the through-hole 5, and first limiting plate 11 can't carry on spacingly to telescopic link 4, therefore telescopic link 4 can rotate around dead lever 12. And when dead lever 12 and the rightmost end butt of spout 41, telescopic link 4 stretches into in the through-hole 5, because the limiting displacement of first limiting plate 11, telescopic link 4 can't rotate.

Preferably, still be provided with in the base 1 and be used for the restriction the second limiting plate 13 of the rotation direction of telescopic link 4, work as telescopic link 4 with when through-hole 15 is located the same axis, second limiting plate 13 with telescopic link 4 butt, the lieing in here on the same axis mean the direction in telescopic link 4 translation ability inserted through-hole 15. The effect of second limiting plate 13 lies in making when the telescopic link is to rotating, only can rotate toward fixed direction to when rotating to certain angle, can play limiting displacement. In this embodiment, the second limiting plate 13 is disposed on the right side of the first limiting plate 11 and below the through hole 15, and when the telescopic rod 4 is horizontally disposed, the upper end surface of the second limiting plate 13 abuts against the telescopic rod 4. The accommodating groove 14 is formed between the second limiting plate 13 and the inner wall of the base 1.

Adopt the purpose of above-mentioned design to conveniently accomodate and take telescopic link 4, specific use flow refers to figure 8. When needs accomodate telescopic link 4, at first to the right side drag telescopic link 4 for in telescopic link 4 does not stretch into through-hole 15, breaks away from the limiting displacement of first limiting plate 11, at this moment, because the existence of second limiting plate 13, make telescopic link 4 can only clockwise rotate, when rotating to vertical, telescopic link 4 just is in storage tank 16. And when needs reuse, then can anticlockwise rotation telescopic link 4, when rotating to the level, because the effect of second limiting plate 13, telescopic link 4 can't rotate once more, consequently alright with promote telescopic link 4 left for telescopic link 4 stretches into and carries on spacingly in the through-hole 15.

Joint portion 2 with be provided with the piece 7 that resets between the base 1, the one end of the piece 7 that resets with joint portion 2 rotates to be connected, the other end with base 1 fixed connection. This kind of connected mode makes joint portion 2 can rotate around base 1, has improved joint portion 2 joint position on the bed edge.

Specifically, joint portion 2 includes connecting seat 23 and a plurality of set up in connecting rod 22 on the connecting seat, offer the confession on the base 1 connecting rod 22 male connecting groove 16, reset 7 with connecting seat 23 rotates to be connected, works as when resetting 7 and being in initial condition, connecting rod 22 stretches into in the connecting groove 16. The initial state here refers to a state in which the restoring member 7 is not subjected to an external force. The return element 7 may be made of a resilient material, such as a spring or the like. In the present embodiment, the reset member 7 is connected with a rotating piece 71, and the rotating piece 71 is disposed on the connecting base 23 and can rotate.

In this embodiment, the connecting rods 2 have four and wind the piece 7 that resets and distribute equidistantly, and equidistant distribution means that four connecting rods 2 are the cross distribution. Adopt the aim at of this structure to adjust joint portion 2 joint direction. Specifically, referring to fig. 6 and 7, if fig. 6 shows that the clamping portion 2 can be clamped on the cross rod of the hospital bed, the clamping portion 2 is firstly pulled outwards when the clamping and the vertical rod are required, so that the connecting rod 22 on the clamping portion 2 is separated from the connecting groove 16, and the clamping portion 2 can be rotated at this time. When the connecting rod 22 is rotated through an angle of 90 °, the connecting rod 2 then projects into the connecting groove 16 again under the action of the restoring element 7. At this time, the clamping part 2 is changed from the initial clamping cross rod to the clamping vertical rod because the rotation is 90 degrees.

The clamping part 2 is also provided with two clamping sheets 21, and a cavity for clamping the bed rod is formed between the two clamping sheets 21. The clamping part 2 is also provided with an adjusting device 3 for adjusting the distance between the two clamping sheets 21. The adjusting device 3 can be varied as long as the distance can be adjusted, for example, by screwing a nut or by screwing a bolt, it is worth mentioning that at least one of the two engagement pieces 21 can slide along the connecting seat 23 for adjusting the distance. In this embodiment, the nut is used to adjust the screw, that is, the nut is rotated, and the rotation of the nut can be converted into the translation of the screw, so as to push one of the clamping pieces 21 to move, thereby achieving the purpose of adjusting the distance.

The utility model discloses in, the flexible mode of telescopic link 4 is various, in this embodiment, telescopic link 4 includes interior pole 42 and outer pole 43, the outer wall of interior pole 42 with all be provided with the matched with screw thread on the inner wall of outer pole 43. The purpose of telescoping can be achieved by selecting the inner rod 42.

The force adjuster 6 is disposed on the outer rod 43. And in order to make the traction direction of the traction rope to be the optimal direction, the arrangement position of the force regulator 6 can be compared with the arrangement position of the pulley 5 for reference.

The above-mentioned method is only for fracture treatment of adult, and when the fracture treatment of child is required, the length and inclination angle of the telescopic rod 4 are adjusted, so that when the child is pushed to hang, the pulley 5 is just above. No special sickbed is needed, and the medical cost can be reduced.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides an integral type bone tractor which characterized in that, including telescopic link (4) and set up respectively in joint portion (2) and pulley (5) at telescopic link (4) both ends, joint portion (2) with still be provided with base (1) between telescopic link (4), telescopic link (4) rotatable peg graft in on base (1), still offer on base (1) and be used for placing storage tank (14) of telescopic link (4), still be provided with dynamics regulator (6) on telescopic link (4).

2. The integrated bone distractor of claim 1, wherein the base (1) comprises a first limiting plate (11) and a fixing rod (12) rotatably engaged with the telescopic rod (4), the first limiting plate (11) is provided with a through hole (15) for the telescopic rod (4) to be inserted into, the telescopic rod (4) is provided with a sliding groove (41) engaged with the fixing rod (12) along a length direction, and when the fixing rod (12) is abutted against an end of the sliding groove (41) far away from the pulley (5), the telescopic rod (4) is not inserted into the through hole (15).

3. The integrated bone distractor according to claim 2, characterized in that a second limiting plate (13) is further provided in the base (1) for limiting the rotation direction of the telescopic rod (4), and when the telescopic rod (4) and the through hole (15) are located on the same axis, the second limiting plate (13) abuts against the telescopic rod (4), and the receiving groove (14) is formed between the second limiting plate (13) and the inner wall of the base (1).

4. The integrated bone distractor of claim 1, wherein a reset member (7) is disposed between the clamping portion (2) and the base (1), one end of the reset member (7) is rotatably connected to the clamping portion (2), and the other end is fixedly connected to the base (1).

5. The integrated bone distractor of claim 4, wherein the clamping portion (2) comprises a connecting seat (23) and a plurality of connecting rods (22) arranged on the connecting seat, the base (1) is provided with a connecting groove (16) for the connecting rods (22) to be inserted into, the reset member (7) is rotatably connected with the connecting seat (23), and when the reset member (7) is in an initial state, the connecting rods (22) extend into the connecting groove (16).

6. The integrated bone distractor according to claim 5, wherein the connecting rods (22) are four and equally spaced around the reduction member (7).

7. The integrated bone distractor of claim 1, wherein the clamping portion (2) is further provided with two clamping pieces (21), and a cavity for clamping a bed bar is formed between the two clamping pieces (21).

8. The integrated bone distractor according to claim 7, characterized in that the snap-in part (2) is further provided with adjustment means (3) for adjusting the spacing between the two snap-in tabs (21).

9. The integrated bone distractor of claim 1, wherein the telescopic rod (4) comprises an inner rod (42) and an outer rod (43), the outer wall of the inner rod (42) and the inner wall of the outer rod (43) being provided with cooperating threads.

10. The integrated bone distractor of claim 9, wherein the force adjuster (6) is provided on the outer rod (43).