CN217645318U

CN217645318U - Rib steel plate fixing clamp

Info

Publication number: CN217645318U
Application number: CN202220151677.5U
Authority: CN
Inventors: 林涛
Original assignee: Sanmen People's Hospital
Current assignee: Sanmen People's Hospital
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-10-25
Anticipated expiration: 2032-01-20

Abstract

The utility model discloses a rib steel plate fixing clamp, which comprises a first clamp body and a second clamp body which are connected in a cross way through a pin shaft; the bottom of the first clamp body is provided with a first handle, and the bottom of the second clamp body is provided with a second handle; the top of the first clamp body is provided with a fixing assembly for fixing a steel plate, and the fixing assembly comprises two supporting arms forming a Y-shaped structure with the first clamp body; the top ends of the two supporting arms are respectively provided with a fixed block, and the distance between the two fixed blocks is an integral multiple of the center distance of the two hole sites on the steel plate; a fixing column is arranged on the fixing block and used for being matched with a hole position on the steel plate to form limiting; the top of the second clamp body is provided with a clamp. The utility model discloses a fixed pincers of rib steel sheet can punch and go up the screw in-process to the rib, and fixed rib of centre gripping and steel sheet avoid the condition of steel sheet skew to take place, have improved the steel sheet and have implanted and fixed reliability to make the operation operability improve, shorten the operation time, reduce wound in the art, patient's recovery with higher speed.

Description

Rib steel plate fixing clamp

Technical Field

The utility model relates to the technical field of medical equipment, specifically relate to a pincers are fixed to rib steel sheet.

Background

According to statistics, about 350 million people die of all types of accidental injury accidents every year all over the world, wherein chest injury accounts for 25% of all traumatic fatalities, and rib fracture is the most common chest injury and accounts for 85% at the highest. After rib fracture, a series of complications such as lung infection, thoracic deformity and even fatal respiratory failure may occur, and internal fixation treatment for rib fracture is a future treatment trend. In the surgical treatment process, the displaced rib needs to be reset firstly, and then the steel plate needs to be implanted and fixed. The steel plates commonly used in the market at present comprise a waffle-shaped rib steel plate of the walson and a rib bone fracture plate of the Qiangsheng company. Wherein, the thickness of the bone plate for the rib of the body is 1.5mm, and the distance between the centers of two hole sites on the bone plate for the rib is 10.2mm. When the steel plate is used, the steel plate needs to be fixed through the matched screws; before fixation, a professional instrument is needed to punch holes on the ribs, and in the operation process, the steel plate is easy to shift, so that the holes of the steel plate deviate from the holes of the ribs after punching, the fixation of screws is affected, and the internal fixation of deep fracture parts is particularly obvious. Therefore, during the drilling process, the rib and the steel plate need to be fixed by using corresponding tools.

SUMMERY OF THE UTILITY MODEL

The utility model provides a rib steel sheet fixation clamp for punch and go up the screw in-process to the rib of fracture, the fixed rib of centre gripping and steel sheet avoid the condition of steel sheet skew to take place, improve the steel sheet and implant and fixed reliability, thereby make the operation operability improve, shorten operation time, reduce wound in the art, patient's recovery with higher speed.

In order to realize the above purpose, the utility model provides a following technical scheme:

the rib steel plate fixing clamp comprises a first clamp body and a second clamp body, wherein the first clamp body and the second clamp body are in cross connection through a pin shaft; the bottom of the first clamp body is provided with a first handle, and the bottom of the second clamp body is provided with a second handle; the top of the first clamp body is provided with a fixing assembly for fixing a steel plate, the fixing assembly comprises two supporting arms, and the two supporting arms and the first clamp body form a Y-shaped structure; the top ends of the two supporting arms are respectively provided with a fixed block, and the distance between the two fixed blocks is an integral multiple of the distance between the centers of the two hole sites on the steel plate; the fixed block is provided with a fixed column, and the fixed column is used for being matched with a hole site on the steel plate to form limiting; the top of the second clamp body is provided with a clamp.

Compared with the prior art, the rib steel plate fixing clamp has the advantages that the two supporting arms for fixing the steel plate are arranged at the top of the first clamp body, the clamp jaws are arranged at the top of the second clamp body, and a triangular clamping structure is formed, so that the rib steel plate and the steel plate can be stably clamped by the fixing clamp, and the steel plate is prevented from deviating; the top ends of the two supporting arms are provided with the fixing columns, the ribs are punched and screwed, the fixing columns are embedded into hole sites of the steel plate to form close fit, the top ends of the fixing columns firmly support the ribs, the steel plate is fixed on the ribs, sliding or falling of the steel plate is avoided, and reliability of steel plate implantation and fixation is improved, so that operation operability is improved, operation time is shortened, wound in an operation is reduced, and recovery of a patient is accelerated.

Preferably, in the rib steel plate fixing forceps, the jaws are arranged to be shifted to the left or right relative to the centers of the two supporting arms. Thereby, conveniently punch and go up the screw, avoided last screw in-process forceps holder to support the screw, the influence is to the fixed of steel sheet.

Further, the eccentric distance d1 of the jaw is 4-7mm. After the inventor carries out continuous experiments, the inventor finds that the fixing clamp adopts the structure design, and in actual use, under the condition of ensuring the stable clamping of the fixing clamp, the punching position in the rib surgery process can be avoided.

Preferably, in the rib steel plate fixing forceps, the jaws may have an arc-shaped structure. Therefore, the fixing clamp can be better attached to the inner side surface of the rib, clamping when the fixing clamp is used is facilitated, and a better clamping and fixing effect is achieved.

Preferably, in the rib steel plate fixing forceps, the occlusal surfaces of the forceps jaws may be provided with anti-slip saw teeth. The anti-slip saw teeth can increase the friction force between the occlusal surface of the forceps holder and the ribs, effectively prevent the ribs and the forceps holder from sliding relatively in the clamping process, increase the holding force and the anti-rotation capacity of the forceps holder, and further improve the clamping effect of the fixing forceps.

Preferably, in the rib steel plate fixing forceps, the arc length L of the forceps jaws may be 20 to 30mm, and the width W of the occlusal surface of the forceps jaws may be 3 to 5mm. At the moment, the joint surface of the forceps clip and the rib is smaller, which is beneficial to protecting soft tissues and periosteum and reducing blood supply damage.

Preferably, in the rib steel plate fixing forceps, the fixing block is circular, and the diameter D1 of the fixing block is 4-6mm.

Preferably, in the rib steel plate fixing forceps, the fixing column is a cone-like body with a small top end and a large bottom end. Therefore, the steel plate is convenient to fix; after the steel plate is sleeved in the middle of the fixing assembly and the forceps clamp, the steel plate is pressed, the top end of the fixing column is small, so that the steel plate can smoothly enter the hole in the steel plate, the bottom end of the fixing column is large, the limiting position can be formed when the fixing column is embedded into the hole of the steel plate, and the steel plate cannot be displaced in the following rib punching and screwing processes.

Preferably, in the rib steel plate fixing forceps, an included angle α between the two support arms may be 20 ° to 40 °. At this moment, the length of two support arms is comparatively suitable, can guarantee the intensity when the support arm uses simultaneously.

Preferably, in the rib steel plate fixing forceps, the root of the first forceps body is provided with a sub-part of a sub-main connection structure, the root of the second forceps body is provided with a main-part of a sub-main connection structure, and when the first forceps body and the second forceps body are clamped, the sub-part is connected with the main-part. In the use, when the rib that waits to reset is held to fixed pincers centre gripping, fixed pincers pass through primary and secondary connection structure and lock by oneself to can keep the clamping state of fixed pincers, it is more convenient to use.

Drawings

FIG. 1 is a schematic structural view of the rib steel plate fixing forceps of the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1;

fig. 3 is a dimensional view of a fixing member in embodiment 1 of the present invention;

fig. 4 is a schematic view of rib steel plate fixing pliers according to embodiment 2 of the present invention;

fig. 5 is a schematic view of rib steel plate fixing pliers according to embodiment 1 of the present invention;

fig. 6 is a dimension view when the jaws deviate to the left in embodiment 1 of the present invention.

The labels in the figures are: 1-a first clamp body, 101-a supporting arm, 102-a fixing block and 103-a fixing column; 2-second forceps body, 201-forceps holder, 202-anti-slip saw teeth; 3-a pin shaft; 4-a first handle; 5-second handle.

Detailed Description

The following further describes the present application with reference to the drawings and examples, but the present application is not limited thereto. The contents not specifically described below are all common technical knowledge in the art.

Referring to fig. 1 and 2, the rib steel plate fixing clamp of the present application includes a first clamp body 1 and a second clamp body 2, where the first clamp body 1 and the second clamp body 2 are cross-connected by a pin 3; the bottom of the first forceps body 1 is provided with a first handle 4, and the bottom of the second forceps body 2 is provided with a second handle 5; the top of the first caliper body 1 is provided with a fixing assembly for fixing a steel plate, the fixing assembly comprises two supporting arms 101, and the two supporting arms 101 and the first caliper body 1 form a Y-shaped structure; the top ends of the two supporting arms 101 are respectively provided with a fixing block 102, and the distance between the two fixing blocks 102 is an integral multiple of the distance between the centers of the two hole sites on the steel plate; a fixing column 103 is arranged on the fixing block 102, and the fixing column 103 is used for being matched with a hole position on the steel plate to form limiting; the top of the second forceps body 2 is provided with a jaw 201.

Example 1:

referring to fig. 5 and 6, in the present embodiment, the jaw 201 is disposed off-left with respect to the center of the two support arms 101. Thereby, conveniently punch and go up the screw, avoided propping the screw at last screw in-process clamp 201, the influence is to the fixed of steel sheet. Further, the distance d2 of the jaw 201 from the right support arm 101 is 15.7mm, and the distance d3 from the left support arm is 4.7mm (i.e. the eccentric distance d1 of the jaw 201 is 5.5 mm).

In this embodiment, the jaw 201 has an arc-shaped structure. Therefore, the fixing clamp can better fit the inner side surface of the rib, clamping is facilitated when the fixing clamp is used, and a better clamping and fixing effect is achieved.

In this embodiment, the jaw 201 is provided with anti-slip saw teeth 202 on its occlusal surface. The anti-slip saw teeth 202 can increase the friction force between the occlusal surface of the forceps 201 and the ribs, effectively prevent the ribs and the forceps 201 from sliding relatively in the clamping process, and increase the holding force and the anti-rotation capacity of the forceps 201, thereby further improving the clamping effect of the fixed forceps.

In this embodiment, the arc length L of the jaw 201 is 25mm, and the width W of the occlusal surface of the jaw 201 is 4mm. At the moment, the joint surface of the forceps clip and the ribs is small, which is beneficial to protecting soft tissues and periosteum and reducing blood supply damage.

Referring to fig. 3, in this embodiment, the distance between two fixing blocks 102 is 2 times the distance between the centers of two adjacent hole sites on the steel plate; the fixed block 102 is circular, and the diameter D1 of the fixed block 102 is 5mm; the fixed column 103 is a cone-like body with a small top end and a large bottom end; the top end of the fixed column 103 is sharp, and the bottom end of the fixed column is of a circular truncated cone-shaped structure; the height H1 of the fixing column 103 is 2.5mm, wherein the height H2 of the truncated cone-shaped structure is 1.8mm, the diameter D2 of the bottom of the truncated cone-shaped structure is 3.3mm, and the diameter D3 of the top of the truncated cone-shaped structure is 3.1mm. The fixing column 103 adopts the structural design, so that the steel plate is conveniently fixed; after the steel plate is sleeved between the fixing assembly and the clamp 201, the steel plate is pressed, the top end of the fixing column 103 is small, so that the steel plate can smoothly enter a hole in the steel plate, the bottom end of the fixing column 103 is large, and the fixing column 103 can be just limited when embedded into the hole of the steel plate, so that the steel plate cannot be displaced in the following rib punching and screwing processes.

In this embodiment, the angle α between the two support arms 101 is 30 °. The design of the included angle between the two supporting arms 101 is mainly based on the clinical experience of the inventor, so as to ensure that the clamp 201 and the supporting arms 101 can stabilize the fracture end and effectively maintain the reduction.

In this embodiment, the root of the first pincer body 1 is provided with a sub-part of the primary-secondary connection structure, the root of the second pincer body 2 is provided with a main-part of the primary-secondary connection structure, and when the first pincer body 1 and the second pincer body 2 are clamped, the sub-part is connected with the main-part. In the use, when the skeleton that resets is waited to operate the fixed pincers centre gripping, two handles pass through primary and secondary connection structure and lock by oneself to can keep the clamping state of fixed pincers, it is more convenient to use.

In this embodiment, when the rib steel plate fixing forceps are in a completely clamped state, the vertical distance d4 between the forceps 201 and the lower surface of the fixing block 102 is 8mm. Thereby can guarantee that the fixed pincers of this application have great jaw space, be favorable to the implantation of steel sheet and can accomplish direct fixation.

When the rib steel plate fixing clamp of the embodiment is used for clamping a rib and a steel plate, firstly, the steel plate is sleeved between the fixing component and the clamp 201, so that the 1 st hole and the 3 rd hole (or the 2 nd hole and the 4 th hole) on the steel plate are respectively sleeved on the two fixing columns 103, the steel plate is pushed and extruded by force, so that the fixing columns 103 are embedded into the hole positions on the steel plate to form close fit, and the steel plate is fixed; then the forceps holder 201 is stretched into the inner side face of the rib, the dislocated rib is reset outwards forcibly, and finally the clamping is closed, so that the fixing component is attached to the outer side face of the rib, the sharp part at the top end of the fixing column 103 locks the steel plate and firmly supports against the rib, then rib punching and screw fixing are carried out on the steel plate, after all holes are punched and screws are screwed, it is determined that the steel plate is fixed, and the fixing forceps loosen the clamping.

Example 2:

referring to fig. 4, unlike embodiment 1, in this embodiment, the jaw 201 is disposed right from the center of the two support arms 101; the jaw 201 is offset from the right support arm 101 by a distance of 4.7mm and from the left support arm 101 by a distance of 15.7mm.

The above general description of the invention and the description of its specific embodiments in this application should not be construed as limiting the scope of the invention. Those skilled in the art can add, reduce or combine the technical features disclosed in the general description and/or the specific embodiments (including the examples) to form other technical solutions within the scope of the present application, without departing from the disclosure of the present application.

Claims

1. The rib steel plate fixing clamp comprises a first clamp body (1) and a second clamp body (2), wherein the first clamp body (1) and the second clamp body (2) are in cross connection through a pin shaft (3); the bottom of the first forceps body (1) is provided with a first handle (4), and the bottom of the second forceps body (2) is provided with a second handle (5); the method is characterized in that: the top of the first clamp body (1) is provided with a fixing assembly for fixing a steel plate, the fixing assembly comprises two supporting arms (101), and the two supporting arms (101) and the first clamp body (1) form a Y-shaped structure; the top ends of the two supporting arms (101) are respectively provided with a fixing block (102), and the distance between the two fixing blocks (102) is an integral multiple of the distance between the centers of the two hole sites on the steel plate; a fixing column (103) is arranged on the fixing block (102), and the fixing column (103) is used for being matched with a hole position on the steel plate to form limiting; the top of the second clamp body (2) is provided with a clamp (201).

2. The rib steel plate fixation forceps of claim 1, wherein: the jaws (201) are arranged to the left or to the right with respect to the centre of the two support arms (101).

3. The rib steel plate fixation forceps of claim 2, wherein: the eccentric distance d1 of the jaw (201) is 4-7mm.

4. The rib steel plate fixing forceps according to claim 1, wherein: the clamp (201) is of an arc-shaped structure.

5. The rib steel plate fixation clamp of claim 4, wherein: the occlusal surface of the jaw (201) is provided with anti-skid saw teeth (202).

6. The rib steel plate fixation forceps of claim 4, wherein: the arc length L of the clamp (201) is 20-30mm, and the width W of the occlusal surface of the clamp (201) is 3-5mm.

7. The rib steel plate fixation forceps of claim 1, wherein: the fixing block (102) is circular, and the diameter D1 of the fixing block (102) is 4-6mm.

8. The rib steel plate fixation forceps of claim 1, wherein: the top end of the fixing column (103) is small, and the bottom end is large.

9. The rib steel plate fixation forceps of claim 1, wherein: the included angle alpha between the two supporting arms (101) is 20-40 degrees.

10. The rib steel plate fixation forceps according to any one of claims 1-9, wherein: the root of the first clamp body (1) is provided with a sub-piece of a primary-secondary connection structure, the root of the second clamp body (2) is provided with a primary-secondary connection structure, and when the first clamp body (1) and the second clamp body (2) are clamped, the sub-piece is connected with the primary-secondary connection structure.