CN115153760A - Soft tissue loosening cutter - Google Patents

Abstract

The invention relates to a soft tissue release cutter, which comprises a scraper knife and a cutter bar, wherein the scraper knife is positioned at the axial end part of the cutter bar, the soft tissue release cutter also comprises a hook knife module, an axial groove is formed in one side of the cutter bar, the hook knife module is arranged in the groove, the hook knife module comprises a hook knife, a connecting rod and an operating handle, the hook knife is positioned at the axial end part of the connecting rod, and the operating handle is connected with the connecting rod and one end of the operating handle extends out of the groove. Compared with the prior art, the invention has the advantages of realizing the integration of the scraper knife and the hook knife, improving the use efficiency and the like.

Description

A soft tissue release tool

technical field

The invention relates to the field of medical instruments, in particular to a soft tissue releasing tool.

Background technique

Soft tissue band entrapment can cause many common clinical diseases, including carpal tunnel syndrome, equinus plantar fascia contracture, gastrocnemius aponeurosis contracture, thoracic outlet syndrome, gluteal muscle contracture, muscular torticollis, etc., usually requiring incision Release under direct vision, especially decompression at the site of nerve entrapment. For example, the Chinese utility model with publication number CN206792439U discloses a soft tissue release set, which reduces the difficulty of surgical operation and reduces the surgical risk of patients through the cooperation of a dilator, a sleeve, a hook knife, a spatula and a peeler. However, the set still has the following problems: the hook knife and the spatula are the two most commonly used knives in surgery. The hook knife head faces the transverse carpal ligament and is mainly used for superficial incision. If it is cut inward, it is easy to damage the median nerve. , The blade head of the spatula is facing forward, which can be used for deep cutting and is not easy to damage nerves. In the current use process, because the hook knife and the spatula are independent of each other, the spatula and the hook knife often need to be replaced several times during specific use, which increases the operation time and increases the risk of tool contamination.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a soft tissue release tool in order to overcome the above-mentioned defects of the prior art, so as to realize the integration of the spatula and the hook, and to improve the use efficiency.

The object of the present invention can be realized through the following technical solutions:

A soft tissue release tool includes a blade and a blade, the blade is located at the axial end of the blade, and is characterized in that it also includes a hook module, and an axial opening is provided on one side of the blade. A slot, the hook module is arranged in the slot, the hook module includes a hook, a connecting rod and an operating handle, the hook is located at the axial end of the connecting rod, the operating handle and the connecting rod are connected and One end protrudes from the slot, and the hook knife and the spatula are arranged in the same direction.

Further, a spring is provided between the connecting rod and the bottom of the slot, and the spring supports the connecting rod so that the hook knife extends out of the slot.

Further, the spring is located below the end of the connecting rod provided with the hook knife.

Further, the springs are evenly distributed below the connecting rod.

Further, the length of the slot is greater than the length of the hook-knife module, and the hook-knife module can slide in the slot.

Further, the hook-knife module further includes a short shaft, a through hole is provided on the body of the connecting rod, the short shaft passes through the through hole and two ends are connected to the inner side walls of the slot.

Further, the operating handle and the hook knife are respectively located on both sides of the short axis.

Further, the through hole is located at one end of the connecting rod, and the operating handle and the hook knife are located on the same side of the short axis.

Further, a torsion spring is sleeved on the short shaft, one end of the torsion spring is connected to the inner side wall of the slot, and the other end is connected to the connecting rod.

Further, a pair of symmetrical sliding grooves are provided on the inner side wall of the slot, and both ends of the short shaft are respectively embedded in the two sliding grooves.

Compared with the prior art, the present invention has the following beneficial effects:

1. The present invention integrates the blade and the hook blade, and the user can control the extension and retraction of the hook blade in the slot through the operating handle, avoiding the frequent alternate use of the hook blade and the blade in traditional surgical operations, Significantly improve the efficiency of surgery and reduce the risk of instrument contamination.

2. In the present invention, a spring is arranged between the connecting rod and the bottom of the slot, and the hook knife protrudes from the slot in normal state and is used as a hook knife; when the blade needs to be used, the user presses the operating handle to make the hook knife Concealed in the slot of the shank and used as a blade.

3. The hook knife of the present invention can be slidably adjusted in the shovel blade, thereby improving the convenience of use.

4. The hook-knife module forms a rotary connection through the slotting of the short shaft and the blade bar, which improves the degree of integration and the stability during use.

5. In the present invention, the operating handle and the hook knife can be located on both sides of the short shaft respectively, so that the hook knife is hidden in the slot in normal state, and the knife is used as a shovel blade; when using the hook knife, the user presses the operating handle to The hook knife protrudes from the slot of the knife shank and is used as a hook knife.

Description of drawings

FIG. 1 is a schematic structural diagram of the first embodiment.

FIG. 2 is a schematic structural diagram of a use state of the first embodiment.

FIG. 3 is a schematic top view of the structure of the first embodiment.

FIG. 4 is a schematic structural diagram of the second embodiment.

FIG. 5 is a schematic structural diagram of the third embodiment.

FIG. 6 is a schematic structural diagram of the fourth embodiment.

FIG. 7 is a schematic structural diagram of the fifth embodiment.

FIG. 8 is a schematic structural diagram of the sixth embodiment.

Reference numerals: 1, blade, 2, tool bar, 21, slotting, 3, hook knife, 4, connecting rod, 5, operating handle, 6, spring, 7, short shaft, 8, chute.

Detailed ways

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. This embodiment is implemented on the premise of the technical solution of the present invention, and provides a detailed implementation manner and a specific operation process, but the protection scope of the present invention is not limited to the following embodiments.

Example 1

As shown in FIG. 1 to FIG. 3 , this embodiment provides a soft tissue release tool, which includes a blade 1 , a blade shank 2 and a hook module. The blade 1 is located at the axial end of the cutter bar 2 , an axial slot 21 is provided on one side of the cutter bar 2 , and the hook module is arranged in the slot 21 . The hook knife module includes a hook knife 3 , a connecting rod 4 , an operating handle 5 and a short shaft 7 . The hook knife 3 is located at the axial end of the connecting rod 4 . The hook blade 3 and the blade blade 1 are arranged in the same direction. The rod body of the connecting rod 4 is provided with a horizontal through hole, and the short shaft 7 passes through the through hole and two ends are connected to the inner side walls of the slot 21, so that the connecting rod 4 and the slot 21 form a rotating structure. In this embodiment, the through hole is arranged in the middle of the connecting rod 4, the operating handle 5 is arranged at the rear end of the connecting rod 4, and the hook knife 3 is arranged at the front end of the connecting rod 4, thus forming a lever structure, and pressing the operating handle 5 can One end of the hook knife 3 is lifted up to extend out of the slot 21 . The usage of this embodiment is as follows:

In the normal state, the hook knife 3 is hidden in the slot 21, and the tool is used as the scraper 1; Used as hook knife 3.

A torsion spring (not shown in the figure) can also be sleeved on the short shaft 7. One end of the torsion spring is connected to the inner side wall of the slot 21, and the other end is connected to the connecting rod 4 to provide a counterclockwise initial force to ensure the hook The knife 3 is retracted in the slot 21 in the normal state, and after extending out of the chute, after releasing the operating handle, it can automatically rebound, that is, the hook knife is hidden in the slot.

Embodiment 2

As shown in FIG. 4 , the overall structure of this embodiment is similar to that of the first embodiment. The difference is that a pair of symmetrical sliding grooves 8 are provided on the inner side wall of the slot 21, and the two ends of the short shaft 7 are respectively embedded in the two sliding grooves. At the same time, the length of the slot 21 is greater than the length of the hook-knife module, so that the hook-knife module can slide back and forth in the slot 21, which further improves the convenience of use.

Embodiment 3

As shown in FIG. 5 , the overall structure of this embodiment is similar to that of the first embodiment. The difference is that in this embodiment, the short shaft 7 passing through the through hole is arranged at the tail end of the connecting rod 4 , and the operating handle 5 is arranged at the connecting rod 4 . In the middle of the rod 4, the hook knife 3 is arranged at the front end of the connecting rod 4, thereby forming a lever structure. At the same time, a torsion spring can also be sleeved on the short shaft 7. One end of the torsion spring is connected to the inner side wall of the slot 21, and the other end is connected to the connecting rod 4 to provide a clockwise initial force to ensure that the hook knife 3 is stretched in a normal state. Out in slot 21. In normal state, the hook knife 3 protrudes from the slot 21 under the action of the torsion spring, and the knife is used as the hook knife 3; when the blade 1 needs to be used, the user presses the operating handle 5 to hide the hook knife 3 into the knife bar In the slot 21 of 2, the tool is used as the blade 1.

Embodiment 4

As shown in FIG. 6 , the overall structure of this embodiment is similar to that of the first embodiment. The difference is that the overall structure of this embodiment is similar to that of the first embodiment. The difference is that the torsion spring is not provided in this embodiment. A spring 6 is provided on the operating handle 5 , specifically, a limit block is provided on the top of the operating handle 5 , and the spring 6 is nested outside the operating handle 5 and is located between the limit block and the tool bar 2 . Under the action of the spring 6, the hook knife 3 protrudes from the slot 21 in the normal state, and the knife is used as the hook knife 3; when the blade 1 needs to be used, the user presses the operating handle 5 to hide the hook knife 3 into the knife In the slot 21 of the rod 2 , the cutter is used as the blade 1 .

Embodiment 5

As shown in FIG. 7 , this embodiment provides a soft tissue release tool, which includes a blade 1 , a tool bar 2 and a hook module. The blade 1 is located at the axial end of the cutter bar 2 , an axial slot 21 is provided on one side of the cutter bar 2 , and the hook module is arranged in the slot 21 . The hook knife module includes a hook knife 3 , a connecting rod 4 and an operating handle 5 . The hook knife 3 is located at the axial end of the connecting rod 4 . The hook blade 3 and the blade blade 1 are arranged in the same direction. In this embodiment, a spring 6 is provided between the connecting rod 4 and the bottom of the slot 21, the spring 6 is specifically arranged below the end of the connecting rod 4 with the hook knife 3, and the spring 6 supports the connecting rod 4 to make the hook knife 3 3 Extend the slot 21. Therefore, the usage of this embodiment is as follows:

In normal state, the hook knife 3 protrudes from the slot 21, and the knife is used as the hook knife 3; when the blade 1 needs to be used, the user hides the hook knife 3 into the slot 21 of the knife bar 2 by pressing the operating handle 5 , the tool is used as the blade 1.

Embodiment 6

As shown in FIG. 8 , the overall structure of the present embodiment is similar to that of the fourth embodiment. The difference lies in that the springs 6 are evenly distributed under the connecting rod 4, so that the hook-knife module is half-protruded from the slot 21 in the normal state, and improves the Use area of hook knife 3. In normal state, the hook knife 3 protrudes from the slot 21, and the knife is used as the hook knife 3; when the blade 1 needs to be used, the user hides the hook knife 3 into the slot 21 of the knife bar 2 by pressing the operating handle 5 , the tool is used as the blade 1.

The preferred embodiments of the present invention have been described in detail above. It should be understood that those skilled in the art can make many modifications and changes according to the concept of the present invention without creative efforts. Therefore, all technical solutions that can be obtained by those skilled in the art through logical analysis, reasoning or limited experiments on the basis of the prior art according to the concept of the present invention shall fall within the protection scope determined by the claims.

Claims (10)

1. The utility model provides a soft tissue release cutter, includes spiller (1) and cutter arbor (2), spiller (1) is located the axial tip of cutter arbor (2), its characterized in that still includes colludes the sword module, is equipped with axial fluting (21) on one side of cutter arbor (2), collude the sword module and set up in fluting (21), collude the sword module including colluding sword (3), connecting rod (4) and action bars (5), collude the axial tip that sword (3) is located connecting rod (4), action bars (5) and connecting rod (4) link to each other and one end stretches out from fluting (21), collude sword (3) and spiller (1) equidirectional setting.

2. The soft tissue release cutter according to claim 1, wherein a spring (6) is arranged between the connecting rod (4) and the bottom of the slot (21), and the spring (6) supports the connecting rod (4) to enable the hook cutter (3) to extend out of the slot (21).

3. The soft tissue release cutter according to claim 2, wherein the spring (6) is located below the end of the connecting rod (4) provided with the hook cutter (3).

4. A soft tissue release cutter according to claim 2, wherein the springs (6) are evenly distributed below the connecting rod (4).

5. The soft tissue release cutter of claim 1, wherein the slot (21) has a length greater than a length of the hooking knife module, the hooking knife module being slidable within the slot (21).

6. The soft tissue release cutter according to claim 1, wherein the hooking cutter module further comprises a short shaft (7), a through hole is formed on the shaft body of the connecting rod (4), the short shaft (7) passes through the through hole and is connected with the inner side wall of the slot (21) at two ends.

7. The soft tissue release knife according to claim 6, wherein the operating handle (5) and the hook knife (3) are respectively located on both sides of the short shaft (7).

8. The soft tissue release cutter according to claim 6, wherein the through hole is located at one end of the connecting rod (4), and the operating handle (5) and the hook knife (3) are located on the same side of the short shaft (7).

9. The soft tissue release cutter according to any one of claims 6 to 8, wherein a torsion spring is sleeved on the short shaft (7), one end of the torsion spring is connected with the inner side wall of the slot (21), and the other end of the torsion spring is connected with the connecting rod (4).

10. The soft tissue release cutter according to any one of claims 6 to 8, wherein a pair of symmetrical sliding grooves (8) are formed on the inner side wall of the slot (21), and two ends of the short shaft (7) are respectively embedded into the two sliding grooves (8).

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