CN212140565U - Internal fixator for dislocation of ribs and transverse process and rib fracture under endoscope - Google Patents

Abstract

The utility model discloses an endoscope internal fixator for rib and transverse dislocation and rib fracture, which comprises an arc-shaped internal fixator body bent upwards, wherein two ends of the internal fixator body are provided with spine plates, and a transverse fixing plate is arranged outside any spine plate; at least one pair of holding arms is arranged below each ridge plate, circular holes with teeth are formed in the middle of the inner fixing device body and the middle of each pair of holding arms, and a strip-shaped hole is formed in the middle of each holding arm; the transverse process fixing plate is provided with at least one through hole. The utility model discloses internal fixation ware adopts the arm in pairs to hold the fracture department rib tightly, plays rib fixed action, adopts the transverse process fixed plate to utilize the screw will fix with the transverse process that the rib dislocated simultaneously, reaches rib and transverse process dislocation and rib fracture's dual internal fixation effect, and postoperative treatment is showing, and patient affected part resumes soon, has fine clinical application and worth.

Description

Internal fixator for dislocation of ribs and transverse process and rib fracture under endoscope

Technical Field

The utility model belongs to medical equipment, relates to an internal fixator for coaptation, in particular to an internal fixator for dislocation of ribs and transverse process and rib fracture under endoscope.

Background

In recent years, with the rapid development of television thoracoscope technology and internal fixation instruments, the internal fixation of rib fracture by using a thoracoscope becomes the focus of thoracic surgery research. The thoracoscope rib fracture internal fixation is a new minimally invasive thoracic surgery technology which uses the modern television camera shooting technology and thoracoscope equipment to complete the rib fixation operation in the thoracic cavity by using a 'fixing instrument' and a 'tool system' under the condition of a chest wall sleeve or a tiny incision. The existing internal fixation instruments have various structures and are widely applied to rib fracture surgery under a thoracoscope, but the internal fixation instruments have single function and only can play a good internal fixation role in rib fracture. However, in clinical cases, rib fracture is accompanied by rib and transverse process dislocation, and the dual internal fixation of rib and transverse process dislocation and rib fracture cannot be realized by using the existing internal fixation instruments, so that the postoperative treatment effect is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the technical problems in the prior art and providing an internal fixator for rib dislocation and rib fracture under an endoscope.

The utility model adopts the following technical scheme:

an endoscope internal fixator for rib and transverse process dislocation and rib fracture comprises an arc-shaped internal fixator body which is bent upwards, wherein two ends of the internal fixator body are provided with ridge plates, and transverse process fixing plates are arranged on the outer sides of the ridge plates at any ends; at least one pair of holding arms is arranged below each ridge plate, circular holes with teeth are formed in the middle of the inner fixing device body and the middle of each pair of holding arms, and a strip-shaped hole is formed in the middle of each holding arm; the transverse projection fixing plate is provided with at least one through hole which is a round hole or a threaded hole.

As the technical proposal of the utility model, the internal fixator body, the ridge plate, the transverse fixing plate and the arm are integrally formed by the titanium-nickel memory alloy plate. Based on the shape memory function of titanium nickel alloy panel, the utility model discloses the internal fixation ware that is made by titanium nickel alloy panel sets up and is the annular to embracing the arm for the internal fixation ware body kickup.

Furthermore, the head of each arm of each pair of annular arms is provided with a first sharp corner.

As another preferred of the technical solution of the present invention, the inner fixing device body, the spine, the transverse fixing plate and the arm are integrally formed by titanium alloy plates. In order to facilitate the installation, the inner fixer made of titanium alloy plates is provided with a U-shaped upward bending arm relative to the inner fixer body.

Furthermore, the tail part of each holding arm of each pair of U-shaped holding arms is provided with a second sharp corner.

Furthermore, the radian of the upward bending of the internal fixer body is 40-150 degrees.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses internal fixation ware adopts the arm in pairs to hold the fracture department rib tightly, plays rib fixed action, adopts the transverse process fixed plate to utilize the screw will fix with the transverse process that the rib dislocated simultaneously, reaches rib and transverse process dislocation and rib fracture's dual internal fixation effect, and postoperative treatment is showing, and patient affected part resumes soon.

2. The utility model discloses internal fixation ware adopts integrated into one piece technology preparation for simple to operate, safe in utilization, and according to the difference of preparation material, will hold the arm and set up to annular or U-shaped for the shape of internal fixation ware body kickup, because of the material is suitable, makes the installation of internal fixation ware more convenient, and the fixed action of rib is safer, firm.

3. The inner fixer of the utility model is provided with a strip-shaped hole on each arm, which is convenient for taking out the inner fixer; the head of each annular embracing arm is provided with a first sharp corner, so that the opening of each annular embracing arm can be relatively large, the annular embracing arm is particularly suitable for internal fixation of ribs, the internal fixator can be effectively prevented from damaging pleura in the using process, and friction stimulation to pleura and damage to tissues under the ribs are reduced; the tail part of each U-shaped arm is provided with a second sharp corner, so that the arm can be kneaded conveniently.

4. The utility model discloses set up the upward bending 40 ~ 150 of internal fixation ware body, make it can laminate the rib better, reinforcing internal fixation effect.

Drawings

Fig. 1 is a schematic structural view of an internal fixator according to embodiment 1 of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a left side view of FIG. 1;

fig. 4 is a schematic structural view of an internal fixator according to embodiment 2 of the present invention;

FIG. 5 is a top view of FIG. 4;

FIG. 6 is a left side view of FIG. 4;

reference numerals: 1. a transverse process fixing plate; 2. a circular hole; 3. an arm-embracing; 4. a circular hole with teeth; 5. a spine panel; 6. a threaded hole; 7. an internal fixator body; 8. a strip-shaped hole; 9. a first sharp corner; 10. and a second sharp corner.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments with reference to the accompanying drawings.

The following embodiments illustrate the present invention by taking as an example the inner fixing device in which each of the back plates 5 is provided with a pair of embracing arms 3, the outer side of the left end of the inner fixing device body 7 is provided with the transverse fixing plate 1, and the transverse fixing plate 1 is provided with two threaded holes 6 or two round holes 2.

Example 1

As shown in fig. 1-3, the internal fixator for rib dislocation and rib fracture under endoscope provided in this embodiment 1 includes an arc-shaped internal fixator body 7 bending upward, spine plates 5 are provided at two ends of the internal fixator body 7, and a transverse fixing plate 1 is provided at an outer side of the spine plate 5 at a left end; a pair of holding arms 3 is arranged below each ridge plate 5, circular holes 4 with teeth are formed in the middle of the inner fixer body 7 and the middle of each pair of holding arms 3, and a strip-shaped hole 8 is formed in the middle of each holding arm 3; two threaded holes 6 are arranged on the transverse protruding fixing plate 1.

The inner fixer body 7, the ridge plate 5, the transverse protruding fixing plate 1 and the arm 3 are integrally formed by titanium-nickel memory alloy plates. Each pair of embracing arms 3 is bent upwards relative to the inner fixer body 7 to form a ring shape, and the head of each embracing arm 3 of the ring-shaped embracing arm is provided with a first sharp corner 9.

When the internal fixator is used, the internal fixator is designed into different sizes according to different requirements. When the three-dimensional thoracic X-ray CT bone fracture fixator is implanted, firstly, width and thickness parameters of a fractured end of a rib to be fixed are read from a CT (computed tomography) thoracic rib three-dimensional reconstruction image or a thoracic X-ray image, an internal fixator with proper specification is selected, the three-dimensional thoracic CT bone fracture image or the thoracic X-ray image is placed into a special specimen collecting bag filled with ice brine, a special opening clamp is used for opening a holding arm 3 to a position larger than the width of the rib to be fixed, a special puncture hanging lead is used for leading out a thoracic cavity from the upper edge and the lower edge of the rib at a fracture position in the thoracic cavity, a special multi-angle bone connector is used for holding the clamp in a matching manner, and; then, sterile hot saline water with the temperature of about 45 ℃ is used for hot compressing each annular holding arm 3 of the internal fixator, and each annular holding arm 3 is quickly restored to the original state to hold the rib at the fracture part tightly, so that the internal fixation effect on the rib is realized; then, a locking screw is implanted into the spine through a threaded hole 6 on the transverse process fixing plate 1 by a special screw driver under the endoscope, and the transverse process dislocated with the ribs is internally fixed.

When taking out, the soft tissue is stripped under a thoracoscope, the internal fixator is exposed, the surfaces of the internal fixator and callus in the elongated holes 8 of the annular embracing arms 3 are removed, the locking screws are screwed out through a special screw screwing device under the thoracoscope, so that the transverse process fixing plate 1 is separated from the spine, the internal fixator is cold-compressed by sterile saline at 0-5 ℃, finally, steel wires penetrate into the elongated holes 8, and the annular embracing arms 3 are drawn, so that the internal fixator is taken out.

Example 2

As shown in fig. 4-6, the endoscopic internal fixator structure for dislocation of rib and transverse process and fracture of rib provided in this embodiment 2 is substantially the same as that in embodiment 1, except that: the internal fixator body 7, the spine plate 5, the transverse fixing plate 1 and the arm 3 of the embodiment 2 are integrally formed by titanium alloy plates. Each pair of holding arms 3 is bent upwards relative to the inner fixer body 7 to form a U shape. Two round holes 2 are arranged on the transverse process fixing plate 1. The tail part of each arm 3 of the U-shaped arm is provided with a second sharp corner 10.

When the internal fixator is used, the internal fixator is designed into different sizes according to different requirements. When the clamp is implanted, firstly, width and thickness parameters of a broken end of a rib to be fixed are read from a chest CT rib three-dimensional reconstruction image or a chest X-ray image, an internal fixer with proper specification is selected, a special puncture suspension lead is led out of the chest from the upper edge and the lower edge of the rib at the position of an intrathoracic fracture under a thoracoscope, a special multi-angle bone connector grasping clamp is matched for use, and the wire is quickly tensioned after the angle is adjusted, so that the U-shaped arm 3 surrounds the upper edge and the lower edge of the fractured rib; then, the holding arms 3 are held by the pinching forceps to hold the rib at the fracture part tightly, and the tip of the head of the holding arms is inserted into the upper edge and the lower edge of the fractured rib to play a role in internally fixing the rib; then, a metal bone screw is implanted into the spine through the round hole 2 on the transverse process fixing plate 1 by a special screw driver under the endoscope, and the transverse process dislocated with the rib is internally fixed.

When taking out, the soft tissue is stripped under a thoracoscope, the internal fixator is exposed, the surfaces of the internal fixator and callus in the elongated holes 8 of the annular holding arms 3 are removed, the metal bone screws are screwed out through a special screw screwing device under the thoracoscope, so that the transverse process fixing plate 1 is separated from the spine, then the holding arms 3 are pulled into a U shape by special taking-out forceps under the thoracoscope, finally, steel wires penetrate into the elongated holes 8, and the U-shaped holding arms 3 are drawn, so that the internal fixator is taken out.

Claims (9)

1. Internal fixation ware is used with transverse process dislocation and rib fracture to rib under chamber mirror, including the incurvation be curved internal fixation ware body, its characterized in that: two ends of the inner fixer body are ridge plates, and transverse protruding fixing plates are arranged on the outer sides of the ridge plates at any end; at least one pair of holding arms is arranged below each ridge plate; the middle part of the inner fixer body and the middle part of each pair of holding arms are provided with circular holes with teeth, and the middle part of each holding arm is provided with a strip-shaped hole; the transverse process fixing plate is provided with at least one through hole.

2. The endoscopic internal fixator for rib dislocation and transverse process and rib fracture according to claim 1, wherein: the inner fixer body, the ridge plate, the transverse protruding fixing plate and the arm are integrally formed by titanium-nickel memory alloy plates.

3. The endoscopic internal fixator for rib dislocation and transverse process and rib fracture according to claim 2, wherein: each pair of holding arms is bent upwards relative to the inner fixer body to form a ring shape.

4. The endoscopic internal fixator for rib dislocation and transverse process and rib fracture according to claim 3, wherein: the head of each arm of each pair of annular arms is provided with a first sharp corner.

5. The endoscopic internal fixator for rib dislocation and transverse process and rib fracture according to claim 1, wherein: the inner fixer body, the ridge plate, the transverse protruding fixing plate and the arm are integrally formed by titanium alloy plates.

6. The endoscopic internal fixator for rib dislocation and transverse process and rib fracture according to claim 5, wherein: each pair of holding arms is bent upwards relative to the inner fixer body to form a U shape.

7. The endoscopic internal fixator for rib dislocation and transverse process and rib fracture according to claim 6, wherein: and a second sharp corner is arranged at the tail part of each holding arm of each pair of U-shaped holding arms.

8. An endoscopic internal fixator for dislocation of ribs and transverse processes and fracture of ribs according to any one of claims 1 to 7, which comprises: the radian of the upward bending of the internal fixer body is 40-150 degrees.

9. An endoscopic internal fixator for dislocation of ribs and transverse processes and fracture of ribs according to any one of claims 1 to 7, which comprises: the through hole is a round hole or a threaded hole.

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