CN218943484U - Adjustable resetting device for percutaneous operation - Google Patents

Abstract

The utility model relates to an adjustable resetting device for percutaneous surgery, which comprises a clamping unit, a rotating unit, a sliding unit and a telescopic resetting unit, wherein the rotating unit is rotationally arranged at a first end of the clamping unit; the sliding unit is arranged on the rotating unit in a sliding manner; the telescopic reset unit is arranged at the side part of the sliding unit. The telescopic reduction device has the advantages that the relative position of the telescopic reduction unit can be adjusted by utilizing the arrangement of the rotating unit and the sliding unit, and the telescopic reduction device is suitable for percutaneous surgeries with different requirements; the end parts of the clamping units are symmetrically provided with a rotating unit, a sliding unit and a telescopic reset unit, so that both sides of the operation position can be fixed, and the whole coordination reset can be carried out; through adjustable resetting means, can reduce surgical instruments quantity by a wide margin, reduce the operation degree of difficulty, improve operation efficiency.

Description

Adjustable resetting device for percutaneous operation

Technical Field

The utility model relates to the technical field of medical instruments, in particular to an adjustable resetting device for percutaneous surgery.

Background

For metaphyseal fractures, a common treatment is percutaneous minimally invasive steel plate fixation. In the related art, a plurality of point type reset forceps are generally adopted for fixing, and an operator is required to continuously adjust the point type reset forceps to achieve a good fixing effect.

However, in the actual operation process, the reset at one side of the wound is good, and the reset at the other side of the wound is bad, so that the whole coordinated reset cannot be performed, the reset effect is affected, the reset time is long, and the reset efficiency is low.

In addition, the form and the posture of the existing point type reset forceps are fixed, so that the existing point type reset forceps need to be obliquely arranged, the angle of the holding part of the point type reset forceps is inconvenient to hold, and the operation is difficult.

At present, no effective solution is proposed for the problems that the integral coordinated reset and the single reset clamp type exist in the related technology.

Disclosure of Invention

The utility model aims at overcoming the defects in the prior art, and provides an adjustable resetting device for percutaneous surgery, which is used for solving the problems that the integral coordinated resetting and single resetting clamp shape exist in the related art.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the present utility model provides an adjustable reduction device for percutaneous surgery, comprising:

a clamping unit;

the rotating unit is rotatably arranged at the first end of the clamping unit;

a sliding unit slidably provided to the rotating unit;

and the telescopic reset unit is arranged at the side part of the sliding unit.

In some of these embodiments, the clamping unit comprises:

a first clamping element;

a second clamping element hinged to the first clamping element;

the holding element is arranged at the second end of the first clamping element and the second end of the second clamping element;

the first rotating element is arranged at the first end of the first clamping element and the first end of the second clamping element and is in rotating connection with the rotating unit.

In some of these embodiments, the clamping unit further comprises:

the first limiting element is arranged at the first end of the first clamping element and the first end of the second clamping element and used for limiting the rotating unit.

In some of these embodiments, the rotation unit includes:

the first sliding element is rotatably arranged at the first end of the clamping unit and is in sliding connection with the sliding unit;

and the second rotating element is arranged in the middle of the first sliding element and is rotationally connected with the clamping unit.

In some of these embodiments, the rotation unit further includes:

the second limiting element is arranged in the middle of the first sliding element and used for limiting the first sliding element.

In some of these embodiments, the sliding unit includes:

the second sliding element is arranged on the rotating unit in a sliding manner, and the telescopic reset unit is arranged on the side part of the second sliding element.

In some of these embodiments, the sliding unit further comprises:

and the third limiting element is arranged at the side part of the second sliding element and used for limiting the second sliding element.

In some of these embodiments, the telescopic reset unit comprises:

a first telescopic element, a first end of which is connected with the sliding unit;

the second telescopic element is in telescopic connection with the first telescopic element;

and the first end of the reset element is connected with the second end of the second telescopic element.

In some of these embodiments, the reset element comprises:

the first end of the reset rod is connected with the second end of the second telescopic element;

the reset ball is arranged at the second end of the reset rod;

and the reset tip is arranged at the second end of the reset ball.

In some of these embodiments, further comprising:

and the locking unit is connected with the clamping unit.

In some of these embodiments, the locking unit comprises:

the first locking element is arranged on one side of the clamping unit and is connected with the clamping unit;

the second locking element is arranged on the other side of the clamping unit and is in locking connection with the first locking element.

Compared with the prior art, the utility model has the following technical effects:

the adjustable resetting device for percutaneous surgery can adjust the relative position of the telescopic resetting unit by utilizing the arrangement of the rotating unit and the sliding unit, and is suitable for percutaneous surgery with different requirements; the end parts of the clamping units are symmetrically provided with a rotating unit, a sliding unit and a telescopic reset unit, so that both sides of the operation position can be fixed, and the whole coordination reset can be carried out; through adjustable resetting means, can reduce surgical instruments quantity by a wide margin, reduce the operation degree of difficulty, improve operation efficiency.

Drawings

FIG. 1 is a schematic illustration (one) of an adjustable reset device according to an embodiment of the present utility model;

FIG. 2a is a schematic view of a clamping unit according to an embodiment of the utility model;

fig. 2b is a schematic view of a part of the structure of a clamping unit according to an embodiment of the utility model;

FIG. 3a is a schematic view of a rotary unit according to an embodiment of the utility model;

fig. 3b is a schematic view of a part of the structure of a rotating unit according to an embodiment of the present utility model;

FIG. 4 is a schematic view (one) of a sliding unit according to an embodiment of the present utility model;

FIG. 5a is a schematic diagram of a telescopic reset unit according to an embodiment of the present utility model;

FIG. 5b is a schematic diagram of a reset element according to an embodiment of the present utility model;

FIG. 6 is a schematic view (II) of a sliding unit according to an embodiment of the present utility model;

FIG. 7 is a schematic diagram (II) of an adjustable reset device according to an embodiment of the present utility model;

FIG. 8 is a schematic view (one) of a locking unit according to an embodiment of the present utility model;

FIG. 9 is a schematic view (III) of an adjustable reset device according to an embodiment of the present utility model;

fig. 10 is a schematic view (two) of a locking unit according to an embodiment of the present utility model.

Wherein the reference numerals are as follows: 100. a clamping unit; 110. a first clamping element; 120. a second clamping element; 130. a grip element; 140. a first rotating element; 150. a first limiting element;

200. a rotation unit; 210. a first sliding element; 220. a second rotating element; 230. a second limiting element;

300. a sliding unit; 310. a second sliding element; 320. a third limiting element;

400. a telescopic reset unit; 410. a first telescopic element; 420. a second telescopic element; 430. a reset element; 431. a reset rod; 432. reset ball; 433. resetting the tip;

500. a locking unit; 510. a first locking element; 520. a second locking element.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting.

Example 1

This embodiment is an exemplary embodiment of the present utility model. As shown in fig. 1, an adjustable restoring apparatus for percutaneous surgery includes a clamping unit 100, a rotating unit 200, a sliding unit 300, and a telescopic restoring unit 400. Wherein the rotation unit 200 is rotatably disposed at the first end of the clamping unit 100; the sliding unit 300 is slidably disposed at the rotating unit 200; the telescopic reset unit 400 is provided at a side of the sliding unit 300.

As shown in fig. 2a, the clamping unit 100 comprises a first clamping element 110, a second clamping element 120, a gripping element 130 and a first rotating element 140. Wherein the second clamping element 120 is hinged with the first clamping element 110; the holding element 130 is disposed at the second end of the first holding element 110 and the second end of the second holding element 120; the first rotating element 140 is disposed at the first end of the first clamping element 110 and the first end of the second clamping element 120, and is rotatably connected to the rotating unit 200.

In some of these embodiments, the first clamping element 110 is a straight rod or a bent rod. In the case that the first clamping element 110 is a bending rod, the bending angle is an obtuse angle. Preferably, the bending angle is not less than 120 °.

In some of these embodiments, the second clamping element 120 is a straight rod or a bent rod. In the case where the second clamping element 120 is a bending rod, the bending angle thereof is an obtuse angle. Preferably, the bending angle is not less than 120 °.

In some of these embodiments, the gripping element 130 is a grip, the outer surface of which is provided with cleats and/or cleats.

In some of these embodiments, the gripping element 130 is a gripping button, the inner surface of which is provided with anti-slip threads.

In some of these embodiments, the first rotating element 140 is a rotating gimbal groove. Wherein, the rotary universal groove is a spherical groove, and the shape is between hemispherical and spherical.

In some of these embodiments, the first rotating element 140 is a rotating universal convex ball.

In some of these embodiments, the clamping unit 100 is made of stainless steel material, facilitating cleaning and sterilization for reuse.

Further, as shown in fig. 2b, the clamping unit 100 further comprises a first stop element 150. The first limiting element 150 is disposed at the first end of the first clamping element 110 and the first end of the second clamping element 120, and is used for limiting the rotation unit 200.

Specifically, in the case where the first rotating member 140 is a rotating universal groove, the clamping unit 100 is provided with a first limiting member 150.

In some embodiments, the first limiting element 150 includes two first limiting shafts and two first limiting buckles. The two first limiting rotating shafts are symmetrically arranged at two sides of the first rotating element 140; the two first limiting buckles are rotationally connected with the corresponding first limiting rotating shafts, and then the two first limiting buckles are detachably connected.

As shown in fig. 3a, the rotating unit 200 includes a first sliding member 210 and a second rotating member 220. The first sliding element 210 is rotatably disposed at the first end of the clamping unit 100 and is slidably connected to the sliding unit 300; the second rotating member 220 is disposed at the middle of the first sliding member 210 and is rotatably connected to the clamping unit 100.

Specifically, the first sliding element 210 is slidably disposed at the first end of the first clamping element 110 and the first end of the second clamping element 120; the second rotating member 220 is rotatably coupled to the first rotating member 140.

Wherein, the first sliding element 210 and the second rotating element 220 are two, i.e. a first sliding element 210 is arranged at the first end of the first clamping element 110 and the first end of the second clamping element 120.

The first sliding member 210 is a sliding rod having a length smaller than the length of the first clamping member 110/the second clamping member 120.

In some of these embodiments, the first slide element 210 is a smooth-surfaced slide bar.

In some of these embodiments, the first slide element 210 is a threaded slide rod.

In some of these embodiments, the first slide element 210 is circular in cross-section. At this time, the first sliding member 210 and the sliding unit 300 may be relatively rotated.

In some of these embodiments, the first slide element 210 is rectangular, diamond-shaped, rounded rectangular, etc. in cross-section. At this time, the first sliding member 210 and the sliding unit 300 do not rotate relative to each other.

In some of these embodiments, the first slide element 210 has a convex cross-section, i.e. a circular shape in combination with a convex shape. At this time, the first sliding member 210 and the sliding unit 300 do not rotate relative to each other.

In some of these embodiments, the second rotational element 220 is a rotational gimbal groove. Wherein, the rotary universal groove is a spherical groove, and the shape is between hemispherical and spherical. In this case, the first rotating element 140 is a rotating universal convex ball.

In some of these embodiments, the second rotating element 220 is a rotating universal convex ball. In this case, the first rotating element 140 is a rotating gimbal groove.

Further, as shown in fig. 3b, the rotating unit 200 further includes a second limiting element 230. The second limiting element 230 is disposed at a middle portion of the first sliding element 210, and is used for limiting the first sliding element 210.

Wherein only one of the first and second spacing elements 150, 230 is present. That is, in the case where the first spacing element 150 is present, the second spacing element 230 is absent; in the case where the second spacing element 230 is present, the first spacing element 150 is absent.

Specifically, in the case where the second rotating member 220 is a rotating universal groove, the rotating unit 200 is provided with a second stopper member 230.

In some embodiments, the second limiting element 230 includes two second limiting shafts and two second limiting snaps. The two second limiting rotating shafts are symmetrically arranged at two sides of the second rotating element 220; the two second limiting buckles are rotationally connected with the corresponding second limiting rotating shafts, and then the two second limiting buckles are detachably connected.

As shown in fig. 4, the sliding unit 300 includes a second sliding member 310. The second sliding element 310 is slidably disposed on the rotating unit 200, and the telescopic reset unit 400 is disposed at a side of the second sliding element 310.

Specifically, the second sliding element 310 is slidably disposed on the first sliding element 210.

The second sliding member 310 is a sliding block, which is a hollow structure.

In some of these embodiments, the second sliding element 310 is limited to sliding, i.e., the second sliding element 310 does not rotate relative to the first sliding element 210.

In some of these embodiments, the second sliding element 310 is circular in cross-section.

In some of these embodiments, the second slide member 310 is a non-limiting slide, i.e., the second slide member 310 rotates relative to the first slide member 210.

In some of these embodiments, the second sliding element 310 is rectangular, diamond-shaped, rounded rectangular, etc. in cross-section.

In some of these embodiments, the second sliding element 310 has a convex cross-section, i.e. a circular shape in combination with a convex shape.

There are at least two second sliding elements 310, and at least one second sliding element 310 is disposed on each first sliding element 210.

In some embodiments, the number of second sliding elements 310 is four, and two second sliding elements 310 are disposed on each first sliding element 210. In each first sliding element 210, two second sliding elements 310 are disposed on two sides of the first sliding element 210 respectively.

As shown in fig. 5a, the telescopic reset unit 400 includes a first telescopic element 410, a second telescopic element 420 and a reset element 430. Wherein a first end of the first telescopic element 410 is connected with the sliding unit 300; the second telescoping member 420 is telescopically coupled to the first telescoping member 410; the first end of the reset element 430 is connected to the second end of the second telescoping element 420.

Specifically, a first end of the first telescoping member 410 is connected with the second sliding member 310.

In some of these embodiments, the first telescoping member 410 is fixedly coupled to the second sliding member 310 and the second telescoping member 420 is rotatably coupled to the first telescoping member 410. The inner diameter of the second telescopic element 420 is equal to the outer diameter of the first telescopic element 410, i.e. the second telescopic element 420 is sleeved outside the first telescopic element 410. Specifically, rotating the second telescopic member 420 may cause the second telescopic member 420 to move up/down, thereby adjusting the length of the telescopic reset unit 400.

In some of these embodiments, the first telescoping member 410 is rotatably coupled to the second sliding member 310 and the second telescoping member 420 is rotatably coupled to the first telescoping member 410. The inner diameter of the first telescopic element 410 is equal to the outer diameter of the second telescopic element 420, i.e. the first telescopic element 410 is sleeved outside the second telescopic element 420. Specifically, rotating the first telescopic member 410 can move the second telescopic member 420 upward/downward, thereby adjusting the length of the telescopic reset unit 400.

Specifically, the side wall of the second sliding element 310 is provided with a bearing, and the first telescopic element 410 is rotatably connected to the bearing and rotates.

In some of these embodiments, the first telescoping member 410 is a first telescoping rod and the second telescoping member 420 is a first telescoping cylinder.

In some of these embodiments, the first telescoping member 410 is a second telescoping cylinder and the second telescoping member 420 is a second telescoping rod.

As shown in fig. 5b, reset element 430 includes reset rod 431, reset ball 432, and reset tip 433. Wherein a first end of the reset rod 431 is connected to a second end of the second telescopic element 420; the reset ball 432 is arranged at the second end of the reset rod 431; a reset tip 433 is disposed at a second end of reset ball 432.

Wherein the length of the reset rod 431 is greater than the diameter of the reset ball 432 and the length of the reset tip 433.

In some of these embodiments, the diameter of the reset rod 431 remains the same or the diameter of the reset rod 431 decreases from its first end to its second end.

With the diameter of the reset rod 431 remaining unchanged, the diameter of the reset ball 432 is greater than the diameter of the reset rod 431.

In the case where the diameter of the reset rod 431 decreases from its first end to its second end, the diameter of the reset ball 432 is greater than the diameter of the second end of the reset rod 431. At this time, the diameter of the reset ball 432 may be larger than the diameter of the first end of the reset rod 431, may be equal to the diameter of the first end of the reset rod 431, or may be smaller than the diameter of the first end of the reset rod 431.

The length of the reset tip 433 may be greater than the diameter of the reset ball 432, may be equal to the diameter of the reset ball 432, or may be less than the diameter of the reset ball 432.

The application method of the utility model is as follows:

the operator operates the grip member 130 to rotate the first grip member 110 and the second grip member 120 relative to each other to open the grip unit 100;

the position of the first sliding element 210 is adjusted by the relative rotation of the first rotating element 140 and the second rotating element 220, and then the position of the first sliding element 210 is limited and locked;

sliding the second sliding member 310 to adjust the position of the telescopic reset unit 400;

the position of the reset element 430 is adjusted by relative rotation of the first and second telescoping members 410 and 420.

The utility model has the advantages that the relative position of the telescopic reset unit can be adjusted by utilizing the arrangement of the rotating unit and the sliding unit, and the telescopic reset unit is suitable for percutaneous surgeries with different requirements; the end parts of the clamping units are symmetrically provided with a rotating unit, a sliding unit and a telescopic reset unit, so that both sides of the operation position can be fixed, and the whole coordination reset can be carried out; through adjustable resetting means, can reduce surgical instruments quantity by a wide margin, reduce the operation degree of difficulty, improve operation efficiency.

Example 2

This embodiment is a modified embodiment of embodiment 1.

As shown in fig. 6, the sliding unit 300 further includes a third limiting member 320. The third limiting element 320 is disposed at a side portion of the second sliding element 310, and is used for limiting the second sliding element 310.

Specifically, the third limiting member 320 is in threaded connection/detachable connection with the first sliding member 210 for limiting the second sliding member 310.

In some embodiments, the third limiting member 320 is a limiting bolt, which is symmetrically disposed at two sides of the second sliding member 310, and is used to clamp the second sliding member 310, so as to prevent the second sliding member 310 from sliding/rotating.

In the above case, the number of the third stopper elements 320 is twice the number of the second slider elements 310.

In some embodiments, the third limiting element 320 is a limiting push button, which is disposed at a side of the second sliding element 310. The third limiting element 320 has an unlocked state and a locked state. In the case that the third limiting element 320 is in the unlocked state, the third limiting element 320 is not in contact with the first sliding element 210, and the second sliding element 310 can slide relative to the first sliding element 210; in the case that the third limiting member 320 is in the locked state, the third limiting member 320 is in contact with the first sliding member 210, and the second sliding member 310 does not move relative to the first sliding member 210.

The embodiment has the advantage that the position of the second sliding element is limited by the third limiting element, so that the telescopic reset unit can keep the same posture for a long time.

Example 3

This embodiment is a modified embodiment of embodiments 1 to 2.

As shown in fig. 7, the adjustable reset device further includes a locking unit 500, and the locking unit 500 is connected to the clamping unit 100 for locking the clamping unit 100 to maintain the state of the clamping unit 100 unchanged.

As shown in fig. 8, the locking unit 500 includes a first locking element 510 and a second locking element 520. The first locking element 510 is disposed on one side of the clamping unit 100 and is connected to the clamping unit 100; the second locking member 520 is disposed at the other side of the clamping unit 100 and is in locking connection with the first locking member 510.

Specifically, the first locking element 510 is disposed inside the first clamping element 110 and is connected to the first clamping element 110; the second locking element 520 is disposed on the second clamping element 120.

Wherein the first locking element 510 and the second locking element 520 are both disposed proximate to the grip element 130.

Wherein the first locking element 510 is a locking rack and the second locking element 520 is a locking spline.

The advantage of this embodiment lies in, can lock the relative position of centre gripping unit, need not the assistant and holds for a long time, reduces the manpower burden, liberates manpower resources, raises the efficiency.

Example 4

This embodiment is a modified embodiment of embodiments 1 to 2.

As shown in fig. 9, the adjustable reset device further includes a locking unit 500, and the locking unit 500 is connected to the clamping unit 100 for locking the clamping unit 100 to maintain the state of the clamping unit 100 unchanged.

As shown in fig. 10, the locking unit 500 includes a first locking element 510 and a second locking element 520. The first locking element 510 is disposed on one side of the clamping unit 100 and is connected to the clamping unit 100; the second locking member 520 is disposed at the other side of the clamping unit 100 and is in locking connection with the first locking member 510.

Specifically, the first locking element 510 is disposed inside the first clamping element 110 and is connected to the first clamping element 110; the second locking element 520 is arranged inside the second clamping element 120.

Wherein the first locking element 510 and the second locking element 520 are both disposed proximate to the grip element 130.

Wherein the first locking element 510 and the second locking element 520 are locking racks.

The advantage of this embodiment lies in, can lock the relative position of centre gripping unit, need not the assistant and holds for a long time, reduces the manpower burden, liberates manpower resources, raises the efficiency.

The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.

Claims (10)

1. An adjustable reduction device for percutaneous surgery, comprising:

a clamping unit;

the rotating unit is rotatably arranged at the first end of the clamping unit;

a sliding unit slidably provided to the rotating unit;

and the telescopic reset unit is arranged at the side part of the sliding unit.

2. The adjustable reset device of claim 1 wherein the clamping unit comprises:

a first clamping element;

a second clamping element hinged to the first clamping element;

the holding element is arranged at the second end of the first clamping element and the second end of the second clamping element;

the first rotating element is arranged at the first end of the first clamping element and the first end of the second clamping element and is in rotating connection with the rotating unit.

3. The adjustable reset device of claim 2 wherein the clamping unit further comprises:

the first limiting element is arranged at the first end of the first clamping element and the first end of the second clamping element and used for limiting the rotating unit.

4. The adjustable reset device of claim 1 wherein the rotation unit comprises:

the first sliding element is rotatably arranged at the first end of the clamping unit and is in sliding connection with the sliding unit;

and the second rotating element is arranged in the middle of the first sliding element and is rotationally connected with the clamping unit.

5. The adjustable reset device of claim 4 wherein the rotation unit further comprises:

the second limiting element is arranged in the middle of the first sliding element and used for limiting the first sliding element.

6. The adjustable reset device of claim 1 wherein the slide unit comprises:

the second sliding element is arranged on the rotating unit in a sliding manner, and the telescopic reset unit is arranged on the side part of the second sliding element.

7. The adjustable reset device of claim 6 wherein the slide unit further comprises:

and the third limiting element is arranged at the side part of the second sliding element and used for limiting the second sliding element.

8. The adjustable reset device of claim 1 wherein the telescoping reset unit comprises:

a first telescopic element, a first end of which is connected with the sliding unit;

the second telescopic element is in telescopic connection with the first telescopic element;

and the first end of the reset element is connected with the second end of the second telescopic element.

9. The adjustable reset device of any one of claims 1-8 further comprising:

and the locking unit is connected with the clamping unit.

10. The adjustable reset device of claim 9 wherein the locking unit comprises:

the first locking element is arranged on one side of the clamping unit and is connected with the clamping unit;

the second locking element is arranged on the other side of the clamping unit and is in locking connection with the first locking element.

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