CN217566080U

CN217566080U - Rotator cuff tension measuring device

Info

Publication number: CN217566080U
Application number: CN202220404566.0U
Authority: CN
Inventors: 张季永
Original assignee: Wuhu No1 People's Hospital
Current assignee: Wuhu No1 People's Hospital
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-10-14
Anticipated expiration: 2032-02-24

Abstract

The utility model relates to the technical field of medical equipment, specifically be a raglan sleeve tension measuring device, include: the fixing assembly is used for stably clamping and fixing the shoulder shaft edge tissue and comprises a long fixing rod, a clamp arranged at one end of the long fixing rod and an elastic locking device arranged on the long fixing rod and close to the other end of the long fixing rod, wherein the clamp is connected with the elastic locking device; the measuring component is connected with the fixing component and used for measuring the shoulder shaft edge tissue tension and comprises a spring dynamometer connected with the other end of the fixed long rod, a holding handle connected with the spring dynamometer and a tension indicator arranged on the spring dynamometer. The utility model can effectively fix the tissues of the rotator cuff in the operation through the combination of the fixing component and the measuring component, and simultaneously, the rotator cuff tension is quantified through the tension indicator, thereby improving the operation accuracy and ensuring the operation effect; and the manufacturing cost is low, and the production and the maintenance are easy.

Description

Rotator cuff tension measuring device

Technical Field

The utility model relates to the technical field of medical equipment, specifically a rotator cuff tension measuring device.

Background

Rotator cuff injuries are a common disease of the shoulder joint, and the incidence of rotator cuff injury increases with age. With the popularization of the minimally invasive concept, the arthroscopic rotator cuff injury repair gradually becomes the mainstream operation mode. Judging the tension of the injured rotator cuff is a key step of the operation, and an operator usually uses a wire grasping forceps to fix rotator cuff tissues and estimates the rotator cuff tension through experience to determine a further operation scheme. The measurement of the rotator cuff tension is not quantified, so that the individual difference is large, and the development of clinical and scientific researches is not facilitated.

The application number is CN201821666408.2 "tension measurement drag hook in rotator cuff repair under arthroscope", including handle, extension rod, coupler body are the hollow tube, and the threading groove is seted up to the anterior side of handle, threading groove tank bottom and extension rod rear end intercommunication form the stylolite passageway, and the rear end of handle links the circumference and is equipped with the draw-in groove, and handle rear end draw-in groove department embraces and accompanies the chest expander, and the chest expander is outside including the inner tube and the outer tube of mutual nestification, and the front end cover of inner tube is established at the handle rear end, and the outer tube is established to the outer tube of outer tube, is equipped with tension spring between inner tube rear end and the outer tube, and the side of outer tube is inlayed along the axial and is equipped with transparent window, and transparent window middle part mark has the pointer, and the side of inner tube aligns with transparent window and is provided with along axially extended dynamics instruction strip. The structure for implementing the pulling force in the patent is a hook body, the stress area is small, and when the stress is too large, the rotator cuff is easy to damage.

The application number is CN 201620652182.5' a tissue grasping forceps capable of measuring tissue tension, which comprises a grasping forceps body, wherein the grasping forceps body comprises a supporting block, a fixed handle fixed on the supporting block, a movable handle rotationally connected with the fixed handle, a forceps rod is fixed at the end part of the supporting block, a forceps holder is installed at the end part of the forceps rod, a pull rod for controlling the forceps holder to open or clamp is rotationally connected onto the movable handle, a reset spring capable of resetting the movable handle is installed on the supporting block, a first clamping plate is fixed on the inner side of the fixed handle, a second clamping plate is fixed on the inner side of the movable handle, saw tooth hooks are fixed on the inner surface of the first clamping plate and the outer surface of the second clamping plate, the first clamping plate and the second clamping plate are matched in position, a miniature tension sensor is arranged at the outer end part of the supporting block, one end of the miniature tension sensor is fixed at the outer end part of the supporting block, a pull ring is fixed at the other end of the miniature tension sensor, and the miniature tension sensor and the forceps rod are on the same axis. When the tissue tension is clamped and measured in the patent, the clamping plate I and the clamping plate II need to be held all the time and the gripping state is kept, and the accuracy of the tension measurement result is easily influenced by human factors of operators; moreover, the grasping forceps in the patent are tools used for multiple times, but tissue tension measurement generally only needs to be carried out once or twice, so that the grasping forceps in the patent have the problem of inconvenient use when in actual use.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a raglan sleeve tension measuring device.

The utility model discloses the technical problem that solve adopts following technical scheme to realize:

a rotator cuff tension measuring device comprising:

the fixing component is used for stably clamping and fixing shoulder shaft edge tissues and comprises a long fixing rod, a clamp arranged at one end of the long fixing rod and an elastic locking device arranged on the long fixing rod and close to the other end of the long fixing rod, and the clamp is connected with the elastic locking device;

the measuring component is connected with the fixing component and used for measuring the shoulder shaft edge tissue tension and comprises a spring dynamometer connected with the other end of the fixed long rod, a holding handle connected with the spring dynamometer and a tension indicator arranged on the spring dynamometer.

Furthermore, the forceps holder comprises a fixed forceps clamping plate and a movable forceps clamping plate, the fixed forceps clamping plate is fixed on one end of the fixed long rod, and the movable forceps clamping plate is connected with the elastic locking device.

Further, the jaws are cogged jaws.

Furthermore, the fixed long rod is of a hollow rod-shaped structure, and a connecting rod for connecting the movable clamp plate and the elastic locking device is arranged in the fixed long rod.

Furthermore, the elastic locking device comprises a return spring which is arranged in the long fixed rod and is abutted with the connecting rod, a pulling block which is fixed on the side edge of the end part of the connecting rod and is slidably arranged on the long fixed rod, locking teeth which are arranged on the side edge of the end part of the connecting rod, and a locking tooth socket which is arranged on the rod wall in the long fixed rod and is matched with the locking teeth in position.

Further, the locking teeth and the locking tooth grooves are in wedge-shaped structures.

Further, the pulling block can release the engagement between the locking teeth and the locking tooth grooves in a lifting mode.

Furthermore, the surface of the holding handle is of a multi-surface structure.

The utility model has the advantages that:

the utility model can effectively fix the tissues of the rotator cuff in the operation by combining the fixing component and the measuring component, and simultaneously, the rotator cuff tension is quantified by the tension indicator, thereby improving the accuracy of the operation and ensuring the operation effect; the manufacturing cost is low, and the production and the maintenance are easy;

in addition, clamp the tissue and keep the measured technique of pullback when clamping the state with current manpower and compare, the utility model discloses a fix earlier and lock behind the rotator cuff tissue, measure again, show to have improved measuring accuracy and stability.

Drawings

The invention is further described below with reference to the following figures and examples:

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic view of the internal structure of the fixing assembly of the present invention;

FIG. 3 is an enlarged view of a portion a of FIG. 2;

fig. 4 is a schematic structural view of the fixing assembly (excluding the return spring and the locking tooth groove) according to the present invention.

In the figure: 1. clamping jaws; 11. fixing the clamp plate; 12. a movable clamp plate; 2. fixing the long rod; 21. a connecting rod; 3. a return spring; 31. pulling the block; 32. a locking tooth; 33. locking the tooth grooves; 4. a spring load cell; 5. a gripping handle; 6. a tension indicator.

Detailed Description

In order to make the technical means, creation characteristics, achievement purpose and efficacy of the present invention easy to understand, the present invention is further explained below with reference to the accompanying drawings and embodiments.

As shown in fig. 1 to 4, a rotator cuff tension measuring device is mainly composed of a jaw 1, a fixed long rod 2, an elastic force locking device, a spring dynamometer 4, a grip handle 5, and a tension indicator 6. The forceps holder 1, the fixed long rod 2 and the elastic locking device form a fixing assembly for stably clamping and fixing shoulder shaft edge tissues; the spring dynamometer 4, the holding handle 5 and the tension indicator 6 form a measuring component, and are connected with the fixing component to form a complete measuring device for measuring the tissue tension at the edge of the shoulder shaft.

Specifically, the forceps 1 are blunt-tooth forceps, so that not only can rotator cuff tissue be effectively clamped and fixed, but also injury to rotator cuff tissue is reduced; the forceps holder 1 mainly comprises a fixed forceps holder plate 11 and a movable forceps holder plate 12, wherein the fixed forceps holder plate 11 is fixedly arranged at one end part of the long fixing rod 2.

The fixed long rod 2 is of a hollow rod-shaped structure, a connecting rod 21 for connecting the movable clamping plate 12 with the elastic locking device is arranged in the fixed long rod, and the elastic locking device drives the movable clamping plate 12 to rotate under the connection of the connecting rod 21, so that the fixed long rod and the fixed clamping plate 11 are matched to clamp or open.

The elastic locking device is mainly composed of a return spring 3, a pulling block 31, a locking tooth 32 and a locking tooth groove 33. The reset spring 3 is arranged in the inner part of the fixed long rod 2 close to the other end part and is abutted with the connecting rod 21, the pull block 31 is correspondingly and slidably arranged on the rod part of the fixed long rod 2 close to the other end part, and the sliding direction of the pull block is the same as the axial direction of the fixed long rod 2; the bottom of the pulling block 31 is fixedly connected to the side edge of the end part of the connecting rod 21 abutting against the return spring 3, and the movable vise plate 12 rotates by pulling the pulling block 31. The locking teeth 32 are arranged on the side edge of the end part of the connecting rod 21, which abuts against the return spring 3, and are symmetrically arranged with the pulling block 31, the inner rod wall of the long fixed rod 2 is provided with locking tooth grooves 33 matched with the locking teeth 32 in position, and the locking teeth 32 and the locking tooth grooves 33 are in wedge-shaped structures and can be meshed with each other in a one-way manner; further, the engagement between the lock teeth 32 and the lock teeth grooves 33 can be released by lifting up the pulling piece 31.

The spring force gauge 4 is simple in construction and can present tension readings via a tension indicator 6 at the upper end.

The surface of the holding handle 5 is of a multi-surface structure, so that holding friction force is increased, and loosening in the measuring process is avoided.

When the rotator cuff forceps are used specifically, an operator holds the holding handle 5 through a joint capsule incision to place the forceps 1 beside injured rotator cuff tissues, then pulls the pulling block 31 backwards, enables the forceps 1 to fixedly clamp rotator cuff edge tissues through the connecting rod 21, and locks the clamping state of the forceps 1 through the locking teeth 32 and the locking tooth grooves 33; then, the direction of the tension is adjusted by holding the handle 5, the spring dynamometer 4 is pulled back, and when the rotator cuff tissue is pulled back to a satisfactory position, the rotator cuff tension is read by the tension indicator 6.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and what is described in the specification are the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and these changes and modifications are intended to fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A rotator cuff tension measuring device, comprising: the method comprises the following steps:

the fixing component is used for stably clamping and fixing shoulder shaft edge tissues and comprises a long fixing rod (2), a clamp (1) arranged at one end of the long fixing rod (2) and an elastic locking device arranged on the long fixing rod (2) and close to the other end, and the clamp (1) is connected with the elastic locking device;

the measuring component is connected with the fixing component and used for measuring the tissue tension at the edge of the shoulder shaft, and comprises a spring dynamometer (4) connected with the other end of the long fixing rod (2), a holding handle (5) connected with the spring dynamometer (4) and a tension indicator (6) arranged on the spring dynamometer (4).

2. A rotator cuff tension measuring device as set forth in claim 1, wherein: the clamp (1) comprises a fixed clamp plate (11) and a movable clamp plate (12), the fixed clamp plate (11) is fixed on one end of the fixed long rod (2), and the movable clamp plate (12) is connected with the elastic locking device.

3. A rotator cuff tension measuring device as claimed in claim 2, wherein: the jaw (1) is a blunt-tooth jaw.

4. A rotator cuff tension measuring device as set forth in claim 2, wherein: the fixed long rod (2) is of a hollow rod-shaped structure, and a connecting rod (21) for connecting the movable clamp plate (12) and the elastic locking device is arranged in the fixed long rod.

5. The rotator cuff tension measuring device as recited in claim 4, wherein: the elastic locking device comprises a return spring (3) which is arranged in the fixed long rod (2) and is abutted to the connecting rod (21), a pulling block (31) which is fixed on the side edge of the end part of the connecting rod (21) and is slidably mounted on the fixed long rod (2), locking teeth (32) which are arranged on the side edge of the end part of the connecting rod (21), and locking tooth grooves (33) which are arranged on the rod wall in the fixed long rod (2) and are matched with the locking teeth (32).

6. The rotator cuff tension measuring device according to claim 5, wherein: the locking teeth (32) and the locking tooth grooves (33) are in wedge-shaped structures.

7. The rotator cuff tension measuring device according to claim 5, wherein: the pulling block (31) can release the engagement between the locking teeth (32) and the locking tooth grooves (33) in a lifting mode.

8. A rotator cuff tension measuring device as claimed in claim 1, wherein: the surface of the holding handle (5) is of a multi-surface structure.