Bolt-type fast-assembly-and-disassembly inversely-assembled combined pliers

Abstract

The utility model discloses a bolt type fast mounting and dismounting inversely-mounted combined clamp applied to a spine endoscope, which comprises an inversely-mounted combined clamp and a handle with a mounting bin, the mounting bin is connected with a bin cover, after the bin cover is opened, the near end of a clamp rod of the inversely-mounted clamp is mounted in the mounting bin, then the bin cover is covered, and the inversely-mounted clamp can be used. And after the bin cover is opened, the flip-chip pliers can be taken out from the mounting bin, and quick disassembly is achieved. In a spine endoscopic surgery, particularly a lumbar fusion surgery, clinical needs to meet different conditions, such as a special instrument for resection treatment of soft tissue ligaments, intervertebral discs and vertebral plate joint sclerotin, a novel quick-assembly and disassembly handle and a forceps rod capable of being inversely mounted are adopted, so that the forceps head of the combined forceps does not need to pass through an endoscope, and the combined forceps can be larger in diameter and more convenient to use. The forceps are designed according to different treatment conditions, the use efficiency is higher, multiple forceps heads are combined on one handle, the forceps heads can be inversely installed or sequentially installed according to the sizes of the forceps heads, the forceps heads can be switched according to purposes during use, and clinical work is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of cutting pliers, in particular to a bolt-type quick-install, disassemble and flip-install combination pliers. Background Art

[0002] Existing spinal endoscope biting forceps, including bone rongeurs, basket forceps, and nucleus pulposus forceps, have small jaws because they must pass through the inner hole of the endoscope, which affects the surgical efficiency during use and prolongs the operation time. In spinal endoscopic surgery, bone structures are often removed by ring sawing. In some cases, the bone blocks cannot be removed together after ring sawing. The existing method is to grasp the nucleus pulposus forceps under the microscope, but because the forceps are opened in an eight-shaped shape and the protective sheath of the channel is limited during the operation, the upper and lower pages of the forceps cannot penetrate deeply and can only be clamped with the tip of the forceps. In clinical use, due to insufficient strength and unreasonable grasping, it is often difficult to remove, repeated operations, low work efficiency, and prolonged operation time. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a bolt-type quick-install and detachable flip-up combination pliers, which can be designed in size according to needs in clinical use, and can be installed forward or reversed according to the situation when the quick-install and detachable handle is used, including a flip-up pliers and an installation bin, and the installation bin is connected to a bin cover. After opening the bin cover, the proximal end of the flip-up pliers is loaded into the installation bin, and then the bin cover is closed. The flip-up pliers can be used to achieve quick installation, and the flip-up pliers can be taken out of the installation bin after opening the bin cover to achieve quick disassembly.

[0004] Preferably, a mounting groove is provided inside the mounting bin, and at least one convex rib is provided on both side walls of the mounting groove.

[0005] Preferably, the upper end surface of the installation bin is provided with slide rails, and the slide rails are located at both sides of the top opening of the installation slot.

[0006] Preferably: a buckle is provided at the far end of the installation bin, and after the bin cover moves and contacts the buckle, the buckle automatically and easily buckles the bin cover through a spring clamping bead, and the buckle can also be a metal protrusion structure, which is easily buckled and limited with a groove at a corresponding position on the bin cover.

[0007] Preferably, a limit block is provided at the proximal end of the bin cover, a handle is fixed on the bin cover, and a slide groove is provided on the bin cover corresponding to the slide rail, so that the bin cover can move horizontally along the slide rail, and when fully opened, the slide groove is limited between the rails to prevent it from being pulled out and falling.

[0008] Preferably, a clamping portion is provided in the middle of the lower end of the bin cover, and the clamping portion is a protrusion extending into the mounting groove.

[0009] Preferably, the lower end surface of the clamping portion is arc-shaped.

[0010] Preferably, the flip-up pliers include a pliers rod, a first pliers head is arranged at the distal end of the pliers rod, at least one groove is arranged on the outer wall of the proximal end of the pliers rod, a push rod is inserted in the pliers rod, a second pliers head is arranged at the distal end of the push rod, and the second pliers head is slidably connected to the first pliers head.

[0011] Preferably, the proximal end of the push rod is connected to the movable block, a slot is provided on the outer wall of the movable block, the slot is used to cooperate with the shift rod, and the push rod is located outside the clamp rod and is provided with a spring.

[0012] Preferably, the lower page of the inverted clamp is parallel and slightly shifted downward to be shovel-shaped, while the upper page is designed in a bow shape.

[0013] Technical effects and advantages of the utility model:

[0014] 1. In the utility model, since the handle can be inverted for use in quick assembly and disassembly, the clamp rod can be inverted and inserted into the inner hole of the endoscope, so that the jaws can be designed to be larger without considering passing through the inner hole, which can greatly improve the working efficiency in removing the yellow ligament, annulus fibrosus and vertebral lamina bone tissue.

[0015] 2. The quick-install and disassemble handle and the reversible clamp rod of the utility model enable the combination clamp head to have a larger caliber because it does not need to pass through an endoscope. It is designed for different treatment situations and has higher efficiency. One handle can be combined with multiple clamp heads, which can be reversed or installed in the same direction according to the size of the clamp head. The clamp heads can be switched according to the purpose when in use, which is convenient for clinical work. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of a bolt-type quick-install, detachable, flip-up combination pliers provided in an embodiment of the present application;

[0017] Figure 2 It is a structural schematic diagram of the flip pliers in the bolt-type quick-install and detachable flip-install combination pliers provided in an embodiment of the present application;

[0018] Figure 3 It is a top view of the installation compartment in the bolt-type quick-install and detachable flip-up combination pliers provided in an embodiment of the present application;

[0019] Figure 4 It is a structural schematic diagram of a middle compartment cover of a bolt-type quick-loading, detachable, flip-up combination pliers provided in an embodiment of the present application;

[0020] Figure 5 It is a longitudinal cross-sectional view of the installation chamber in the bolt-type quick-install and detachable flip-up combination pliers provided in an embodiment of the present application;

[0021] Figure 6 The invention is a bolt-type quick-loading and disassembly flip-up combination pliers provided in the embodiment of the present application. Figure 5 A schematic diagram of the enlarged structure at point A in the middle.

[0022] In the figure: 1. inverted pliers; 11. pliers rod; 12. first pliers head; 13. groove; 14. push rod; 15. second pliers head; 16. movable block; 17. slot; 18. spring; 2. mounting compartment; 21. mounting slot; 22. convex rib; 23. slide rail; 24. buckle; 25. slide hole; 3. compartment cover; 31. limit block; 32. handle; 33. slide slot; 34. clamping part; 4. first handle; 5. second handle; 6. lever; 7. elastic member. DETAILED DESCRIPTION

[0023] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific purposes.

[0024] See also Figure 1 As shown, in this embodiment, a bolt-type quick-install and detachable flip-up combination pliers is provided, including a flip-up pliers 1 and a mounting chamber 2, the mounting chamber 2 is connected to a chamber cover 3, after opening the chamber cover 3, the flip-up pliers 1 is installed in the mounting chamber 2, and then the chamber cover 3 is closed, the flip-up pliers 1 can be used, and quick installation is achieved, and after opening the chamber cover 3, the flip-up pliers 1 can be taken out of the mounting chamber 2, and quick disassembly is achieved.

[0025] In this embodiment, the bottom end of the installation compartment 2 is fixedly connected to the first handle 4, the first handle 4 is hinged to the second handle 5, a lever 6 is provided at the upper end of the second handle 5, a sliding hole 25 is provided at the bottom of the installation compartment 2 corresponding to the lever 6, the sliding hole 25 is connected to the installation compartment 2, and the lever 6 is inserted into the sliding hole 25 and extends into the installation compartment 2.

[0026] Furthermore, an elastic member 7 is installed between the first handle 4 and the second handle 5. The elastic member 7 includes but is not limited to a metal spring or a spring. When the second handle 5 is pressed to rotate counterclockwise, the elastic member 7 is compressed and the lever 6 rotates counterclockwise.

[0027] See also Figure 2As shown, the flip-mount pliers 1 include a pliers rod 11, the main body of the pliers rod 11 is a hollow columnar structure, a first pliers head 12 is arranged at the distal end of the pliers rod 11, at least one groove 13 is arranged on the outer wall of the proximal end of the pliers rod 11, a push rod 14 is inserted in the pliers rod 11, a second pliers head 15 is arranged at the distal end of the push rod 14, the second pliers head 15 is slidably connected to the first pliers head 12, and the first pliers head 12 is provided with a hollow for inserting the second pliers head 15, the proximal end of the push rod 14 is connected to a movable block 16, a slot 17 is arranged on the outer wall of the movable block 16, the slot 17 is annular, and the slot 17 is used to cooperate with the lever 6, the push rod 14 is located on the outside of the pliers rod 11 and is provided with a spring 18, when the lever 6 rotates counterclockwise, it slides along the slot 17 and pushes the movable block 16 to move, the push rod 14 slides along the pliers rod 11, so that the second pliers head 15 is close to the first pliers head 12.

[0028] The biting and cutting jaws can be designed at multiple angles and are wider and longer than traditional cutting jaws. The biting and cutting method can still be the traditional shearing type, or it can be similar to bone-binding forceps, but the lower page is hollowed out, and the hollowed-out edge of the lower page crosses with the slightly reduced upper page for cross-biting, or the lower page and the upper page are of the large tube-in-small tube type, and the upper and lower pages are cross-cut for knife-cutting.

[0029] Since the handle can be inverted for use in quick assembly and disassembly, the clamp rod can be inverted and inserted into the inner hole of the endoscope. In this way, the jaws can be designed to be larger without considering passing through the inner hole, which can greatly improve the working efficiency when removing the yellow ligament and the annulus fibrosus.

[0030] A variety of flip-up large-caliber and flip-up multi-angle rongeurs, cutting pliers, and nucleus pulposus pliers. The flip-up pliers have a parallel and slightly downward displacement design with a shovel shape on the lower page, and an arched design on the upper page. When the mouth is opened, the pliers and the bone block are as vertical as possible, and the bite is tooth-like. The joint axis can be thickened and enlarged. The flip-up pliers can also shorten the upper page, and have fine and sharp teeth at the tip to enhance the bite force.

[0031] The cutting jaws can be designed at multiple angles and are wider and longer than traditional cutting jaws. The biting and cutting method can still be the traditional shearing type, or it can be similar to bone-holding forceps, but the lower page is hollowed out, and the hollowed-out edge of the lower page crosses with the slightly reduced upper page to form a knife-cutting cross-biting method, or the lower page and the upper page are of the large tube-in-small tube type, and the upper and lower pages are cross-cutting like knife-cutting.

[0032] See also Figure 3 As shown, a mounting groove 21 is provided inside the mounting bin 2, and the mounting groove 21 is used to place the proximal end of the flip-chip clamp 1. At least one convex rib 22 is provided on both side walls of the mounting groove 21. When the flip-chip clamp 1 is placed in the mounting groove 21, the convex rib 22 is embedded in the groove 13 to limit the clamp rod 11 and prevent the clamp rod 11 from moving in the mounting groove 21. The movable block 16 can slide along the mounting groove 21. A slide rail 23 is provided on the upper end surface of the mounting bin 2, and the slide rail 23 is located on both sides of the top opening of the mounting groove 21.

[0033] See also Figure 4-6As shown, a limit block 31 is provided at the proximal end of the bin cover 3, a handle 32 is fixed on the bin cover 3, and a slide groove 33 is provided on the bin cover 3 corresponding to the slide rail 23, so that the bin cover 3 can move in the horizontal direction along the slide rail 23, and a clamping portion 34 is provided in the middle of the lower end of the bin cover 3, the clamping portion 34 is a protrusion extending into the mounting groove 21, and the lower end surface of the clamping portion 34 is arc-shaped, and the clamping portion 34 is pressed on the upper end of the clamp rod 11, so that the clamp rod 11 is fixed more stably, and a buckle 24 is provided at the far end of the mounting bin 2, and when the bin cover 3 moves and contacts the buckle 24, the bin cover 3 is limited to prevent the bin cover 3 from moving.

[0034] In one embodiment, the buckle 24 is a protruding structure. When the bin cover 3 moves to the protruding structure, the protruding structure presses the side wall of the bin cover 3 to limit the bin cover 3 by friction.

[0035] In another embodiment, the buckle 24 may also be a metal spring bead. When the compartment cover 3 moves to the metal spring bead, the bead pops out to limit the compartment cover 3.

[0036] In this embodiment, the modified flip-up forceps have a lower page that is parallel and slightly shifted downward, forming a shovel shape, and an upper page that is arched. When the jaws are opened, the jaws are as vertical as possible to the bone block. During operation, the upper and lower pages are inserted into the two sides of the bone block to form a gripping shape, which is convenient for removing the bone block. At the same time, the bone-biting forceps can be designed to be tooth-shaped, and the joint axis can be thickened to increase the gripping force without being easily damaged.

[0037] In another embodiment, the upper page of the inverted forceps can be shortened, and the tip can be provided with fine sharp teeth. Due to the shortened force arm, the bite force is further enhanced. During use, when the lower page grasps the bone block, the sharp teeth of the upper page can be nailed into the bone block, which is more conducive to the smooth completion of bone grasping.

[0038] In another embodiment, a smaller area of ​​the upper portion of the installation bin is opened, and only the clamp rod can be placed therein. A bin cover 3 that matches the size of the installation bin is hinged to the installation bin 2 at the rear. The installation slot 21 can be opened by rotating the bin cover 3, and the proximal end of the flip clamp 1 is inserted into the installation slot 21. The bin cover 3 is then closed, and a quick buckle is provided on the installation bin to limit the opening of the bin cover, so that it is an open-and-close loose-leaf type and can also be quickly installed.

[0039] In another embodiment, the vertebral rongeur and nucleus pulposus forceps are commonly used. Since the forceps rods can be inverted and not restricted by the inner hole of the endoscope, the jaws of the rongeur and nucleus pulposus forceps can be enlarged, and the jaws of the rongeur and nucleus pulposus forceps can be bent to an angle suitable for handling different situations and improving efficiency.

[0040] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. Structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to conventional means in the field unless otherwise specified and limited.

Claims

1. A bolt-type quick-install and removable combination pliers, characterized in that: The invention comprises a flip-chip clamp (1) and an installation bin (2), wherein the installation bin (2) is connected to a bin cover (3). After the bin cover (3) is opened, the proximal end of the flip-chip clamp (1) is inserted into the installation bin (2), and then the bin cover (3) is closed. The flip-chip clamp (1) can be used to achieve rapid installation. After the bin cover (3) is opened again, the flip-chip clamp (1) can be taken out of the installation bin (2) to achieve rapid disassembly. The flip-up pliers (1) comprise a pliers rod (11), a first pliers head (12) is arranged at the distal end of the pliers rod (11), at least one groove (13) is arranged on the proximal outer wall of the pliers rod (11), a push rod (14) is inserted into the pliers rod (11), a second pliers head (15) is arranged at the distal end of the push rod (14), and the second pliers head (15) is slidably connected to the first pliers head (12).

2. The bolt-type quick-release and reversible combination pliers according to claim 1, characterized in that: The installation bin (2) is provided with an installation groove (21) inside, and two side walls of the installation groove (21) are provided with at least one convex rib (22).

3. The bolt-type quick-release and reversible combination pliers according to claim 2, characterized in that: The upper end surface of the installation bin (2) is provided with a slide rail (23), and the slide rail (23) is located at both sides of the top opening of the installation groove (21).

4. The bolt-type quick-install and removable flip-up combination pliers according to claim 3, characterized in that: A buckle (24) is provided at the far end of the installation bin (2). After the bin cover (3) moves and contacts the buckle (24), the buckle (24) automatically and easily buckles the bin cover (3) via a spring buckle bead to limit the position. The buckle (24) can also be a metal protrusion structure, which can be easily buckled and limited with a groove at a corresponding position on the bin cover (3).

5. The bolt-type quick-install and removable flip-up combination pliers according to claim 1, characterized in that: A limit block (31) is arranged at the proximal end of the bin cover (3), a handle (32) is fixed on the bin cover (3), and a slide groove (33) is provided on the bin cover (3) corresponding to the slide rail (23), so that the bin cover (3) can move in the horizontal direction along the slide rail (23), and when the bin cover (3) is fully opened, the slide groove is limited between the rails to prevent the bin cover (3) from being pulled out and falling.

6. The bolt-type quick-install and removable combination pliers according to claim 5, characterized in that: A clamping portion (34) is provided in the middle of the lower end of the bin cover (3), and the clamping portion (34) is a protrusion extending into the mounting groove (21).

7. The bolt-type quick-install and removable combination pliers according to claim 6, characterized in that: The lower end surface of the clamping portion (34) is arc-shaped.

8. The bolt-type quick-install and removable combination pliers according to claim 1, characterized in that: The proximal end of the push rod (14) is connected to a movable block (16), and a slot (17) is provided on the outer wall of the movable block (16). The slot (17) is used to cooperate with the shifting rod (6). The push rod (14) is provided with a spring (18) at the outer side of the clamp rod (11).

9. The bolt-type quick-install and removable combination pliers according to claim 1, characterized in that: The lower page of the inverted pliers (1) is parallel and slightly displaced downward, and is shovel-shaped, while the upper page is designed in an arched shape. The upper and lower pages of the cutting pliers can be in the form of bone-holding pliers, with the lower page being hollowed out and the upper page being slightly smaller, and the upper and lower pages being crossed to achieve cutting.

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