CN216317746U

CN216317746U - Leg bone stripping tractor for orthopedic operation

Info

Publication number: CN216317746U
Application number: CN202121893950.3U
Authority: CN
Inventors: 鲍恩虎
Original assignee: Shuyang County People's Hospital
Current assignee: Shuyang County People's Hospital
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-04-19
Anticipated expiration: 2031-08-13

Abstract

The utility model discloses a leg bone stripping tractor for orthopedic surgery, which comprises a base, wherein two expanding plates are symmetrically and fixedly arranged on the base, a movable frame is movably arranged on the base, two connecting plates are symmetrically and movably arranged on a fixed frame and the movable frame, clamping plates are fixedly arranged on the two connecting plates, an interval adjusting device is arranged between the connecting plates and the fixed frame, and a thread traction device is arranged between the movable frame and the base. Has the advantages that: the utility model installs the splint on the fixed frame and the movable frame, drives in the same way, drives the two splints to approach or separate from each other by rotating the bidirectional threaded rod, can adjust according to the size of the skeleton of the patient, is convenient to operate, and uses the opening plate to open the wound during operation.

Description

Leg bone stripping tractor for orthopedic operation

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a leg bone stripping tractor for orthopedic operations.

Background

Medical instruments refer to instruments, devices, appliances, in-vitro diagnostic reagents and calibrators, materials and other similar or related items used directly or indirectly on the human body, including the required computer software.

Need use the tractor to pull at the bone surgery in-process, current tractor can only fix patient's limbs, and traction effect is poor, and needs medical staff to strut the wound when the operation, the medical staff's of being not convenient for operation, and the operation degree of difficulty is big.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems of inconvenient traction operation and poor effect in the prior art, and provides a leg bone stripping tractor for orthopedic operation.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an orthopedic operation leg bone stripping tractor, includes the base, symmetry fixed mounting has two to strut the board on the base, fixed mounting has the mount on the base, movable mounting has the adjustable shelf on the base, equal symmetry movable mounting has two connecting plates, two on mount and the adjustable shelf equal fixed mounting has splint on the connecting plate, install interval adjusting device between connecting plate and the mount, install screw thread draw gear between adjustable shelf and the base.

In foretell tractor is peeled off to bone of bone leg in orthopedic operation, interval adjusting device includes fixed mounting's first slide bar on the connecting plate, first spout has been seted up on the mount, two first slide bar all with first spout slidable mounting, two first mounting holes have been seted up to the symmetry on the mount both sides outer wall, and two first mounting holes are linked together with first spout respectively, two common movable mounting has two-way threaded rod between the first mounting hole, the equidistance is equipped with two sections opposite direction's screw, two set up two opposite direction's first screw hole on the first slide bar respectively, two first screw hole is respectively with two-way threaded rod thread installation.

In the bone and leg stripping tractor for the orthopedic operation, the first bearings are fixedly mounted in the first mounting holes, and the bidirectional threaded rod is fixedly mounted on the inner rings of the two first bearings.

In foretell bone surgery leg bone peels off tractor, screw thread draw gear includes the second slide bar of fixed mounting on the adjustable shelf outer wall, the second spout has been seted up on the base, slidable mounting between second slide bar and the second spout, the second mounting hole has been seted up on the base lateral wall, movable mounting has one-way threaded rod in the second mounting hole, the second screw hole has been seted up on the second slide bar, the screw thread installation between second screw hole and the one-way threaded rod.

In the bone stripping retractor for the orthopedic operation leg, a second bearing is fixedly mounted in the second mounting hole, and the one-way threaded rod is fixedly mounted on an inner ring of the second bearing.

Compared with the prior art, the utility model has the advantages that:

1. the fixed frame and the movable frame are both provided with the clamping plates and are driven in the same way, the two clamping plates are driven to mutually approach or separate by rotating the bidirectional threaded rod, the operation can be adjusted according to the size of the skeleton of a patient, the operation is convenient, and the wound is opened by the opening plate during the operation;

2. according to the utility model, the thread traction device is arranged between the movable frame and the base, so that the bone is stripped by utilizing the thread transmission effect, and the operation is convenient.

Drawings

FIG. 1 is a front view of a leg bone stripping retractor for orthopedic surgery according to the present invention;

FIG. 2 is a left side view of the skeletal distraction device for bone dissection in orthopedic surgery according to the present invention;

FIG. 3 is an enlarged view of the structure of part A of the leg bone stripping retractor for orthopedic operation according to the present invention.

In the figure: the device comprises a base 1, a spreading plate 2, a fixed frame 3, a movable frame 4, a connecting plate 5, a clamping plate 6, a first sliding rod 7, a first sliding groove 8, a first mounting hole 9, a first bearing 10, a two-way threaded rod 11, a second sliding rod 12, a second sliding groove 13, a second mounting hole 14, a second bearing 15 and a one-way threaded rod 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a leg bone stripping tractor for orthopedic surgery comprises a base 1, two spreading plates 2 are symmetrically and fixedly installed on the base 1, a fixed frame 3 is fixedly installed on the base 1, a movable frame 4 is movably installed on the base 1, two connecting plates 5 are symmetrically and movably installed on the fixed frame 3 and the movable frame 4, clamping plates 6 are fixedly installed on the two connecting plates 5, an interval adjusting device is installed between the connecting plates 5 and the fixed frame 3, the interval adjusting device comprises a first slide bar 7 fixedly installed on the connecting plates 5, a first slide groove 8 is installed on the fixed frame 3, the two first slide bars 7 are both slidably installed with the first slide groove 8, two first installation holes 9 are symmetrically installed on the outer walls of the two sides of the fixed frame 3, the two first installation holes 9 are respectively communicated with the first slide groove 8, a bidirectional threaded rod 11 is movably installed between the two first installation holes 9, equal fixed mounting has first bearing 10 in two first mounting holes 9, two-way threaded rod 11 fixed mounting is on the inner ring of two first bearings 10, equidistant being equipped with two sections opposite direction's screw thread on two-way threaded rod 11, two opposite direction's first screw hole has been seted up on two first slide bars 7 respectively, two first screw holes respectively with two-way threaded rod 11 threaded mounting, it is worth noting, rotate two-way threaded rod 11, two sections opposite direction's screw thread on two-way threaded rod 11 carries out screw drive with two first screw holes respectively, make two first slide bars 7 be close to each other or keep away from each other, and then realize that two splint 6 are close to each other and accomplish the skeleton and press from both sides tightly, make things convenient for subsequent the drawing.

A thread traction device is arranged between the movable frame 4 and the base 1, the thread traction device comprises a second slide bar 12 fixedly arranged on the outer wall of the movable frame 4, a second chute 13 is arranged on the base 1, the second slide bar 12 and the second chute 13 are slidably arranged, a second mounting hole 14 is arranged on the side wall of the base 1, a one-way threaded rod 16 is movably arranged in the second mounting hole 14, a second bearing 15 is fixedly arranged in the second mounting hole 14, the one-way threaded rod 16 is fixedly arranged on an inner ring of the second bearing 15, a second threaded hole is arranged on the second slide bar 12, the second threaded hole and the one-way threaded rod 16 are in threaded mounting, the one-way threaded rod 16 is rotated, the second slide bar 12 can slide in the second chute 13 through the thread transmission function between the one-way threaded rod 16 and the second threaded hole, so that the movable frame 4 is driven to move when the second slide bar 12 slides, thereby completing the power-assisted traction.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

The working principle of the utility model is as follows: and the one-way threaded rod 16 is rotated, the one-way threaded rod 16 can enable the second sliding rod 12 to slide in the second sliding groove 13 through the thread transmission effect between the one-way threaded rod 16 and the second threaded hole, so that the second sliding rod 12 drives the movable frame 4 to move when sliding, and the power-assisted traction is completed.

The bidirectional threaded rod 11 is rotated, two sections of threads in opposite directions on the bidirectional threaded rod 11 are in threaded transmission with the two first threaded holes respectively, so that the two first sliding rods 7 are close to each other or are far away from each other, and then the two clamping plates 6 are close to each other to finish bone clamping, and subsequent traction is facilitated.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides an orthopedic operation leg bone stripping tractor, includes base (1), its characterized in that, symmetry fixed mounting has two to strut board (2) on base (1), fixed mounting has mount (3) on base (1), movable mounting has adjustable shelf (4) on base (1), equal symmetry movable mounting has two connecting plates (5), two on mount (3) and adjustable shelf (4) equal fixed mounting has splint (6) on connecting plate (5), install interval adjusting device between connecting plate (5) and mount (3), install screw thread draw gear between adjustable shelf (4) and base (1).

2. The bone distraction of leg dissection of orthopedic surgery according to claim 1, the spacing adjusting device comprises a first sliding rod (7) fixedly arranged on a connecting plate (5), the fixed frame (3) is provided with a first sliding chute (8), the two first sliding rods (7) are both arranged with the first sliding chute (8) in a sliding way, two first mounting holes (9) are symmetrically arranged on the outer walls of the two sides of the fixing frame (3), the two first mounting holes (9) are respectively communicated with the first sliding chute (8), a bidirectional threaded rod (11) is movably mounted between the two first mounting holes (9), two sections of threads in opposite directions are equidistantly arranged on the bidirectional threaded rod (11), two first threaded holes in opposite directions are respectively formed in the two first sliding rods (7), and the two first threaded holes are respectively in threaded installation with the bidirectional threaded rod (11).

3. The osseous surgical distraction device for leg dissection according to claim 2, wherein a first bearing (10) is fixedly mounted in each of the two first mounting holes (9), and the two-way threaded rod (11) is fixedly mounted on the inner ring of the two first bearings (10).

4. The skeletal distraction device that peels off of orthopedic operation leg according to claim 1, characterized in that, screw thread draw gear includes second slide bar (12) of fixed mounting on the movable frame (4) outer wall, seted up second spout (13) on base (1), slidable mounting between second slide bar (12) and second spout (13), seted up second mounting hole (14) on the base (1) lateral wall, movable mounting has one-way threaded rod (16) in second mounting hole (14), seted up second screw hole on second slide bar (12), screw thread mounting between second screw hole and one-way threaded rod (16).

5. The osseous surgical distraction device for leg dissection according to claim 4, wherein a second bearing (15) is fixedly mounted in the second mounting hole (14), and the one-way threaded rod (16) is fixedly mounted on an inner ring of the second bearing (15).