Hemostatic knife with knife head convenient to disassemble

Abstract

The hemostasis knife comprises a main body assembly and an installation assembly, the installation assembly is arranged in the main body assembly, the installation assembly is installed and connected to the main body assembly, the knife head is inserted into the installation assembly, by rotating an outer sleeve, one end of the outer sleeve extrudes a movable plate, the movable plate moves to enable a movable rod to move inwards, and the knife head can be conveniently detached. When the tool bit is detached, the outer sleeve is rotated to be far away from the moving plate, the spring is unfolded to control the control panel to move outwards, the control panel drives the moving rod to move outwards, the inserting block is far away from the hole, and the tool bit is detached. According to the mode, the tool bit is fixed through the inserting block, abrasion of equipment is small in the long-term use process, and replacement of the tool can be reduced.

Description

Technical Field

[0001] The utility model relates to a hemostatic knife, in particular to a hemostatic knife with a knife head that is easy to disassemble. Background Art

[0002] Ultrasonic hemostatic knife is a high-frequency electrosurgical device, mainly used for cutting biological tissues and closing blood vessels. It has the advantages of less bleeding, less damage to surrounding tissues and faster recovery after surgery. It cuts and coagulates human tissues without causing side effects such as tissue drying and burns. The blade converts electrical energy into mechanical energy during operation, so no current passes through the human body. Therefore, it is widely used in surgery and is known as a bloodless scalpel.

[0003] The blade head in the existing equipment is connected to the main body by threads. The threads may slip during long-term use. However, precision is required during surgery, and the blade head needs to be replaced if an error occurs in the equipment. Utility Model Content

[0004] The utility model aims to provide a hemostatic knife with a conveniently disassembled knife head, so as to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A hemostatic knife with a conveniently detachable blade head, wherein a mounting assembly is arranged in a main body assembly and the mounting assembly is mounted and connected to the main body assembly.

[0007] As a further solution of the utility model: a cutter head, a main body, a handle and a button are provided in the main body component, a handle is provided on one side of the main body, the handle is fixedly connected to the main body, a button is provided on one side of the handle, the button is installed and connected to the handle, a head is provided on one side of the main body, and one end of the cutter head is detachably connected to the main body.

[0008] As a further solution of the utility model: a plurality of groups of openings are provided at one end of the cutter head, and the openings are integrally formed on the cutter head.

[0009] As a further solution of the utility model: the installation component includes a sleeve, a mounting frame, a limit block, an elastic connecting plate, a movable plate, a sealing guide plate, a movable rod, a control plate, a spring, a plug-in block, a limit plate, a sleeve thread, and a frame thread. The sleeve is provided with a through hole, the cutter head passes through the through hole of the sleeve and is slidably connected in the sleeve, one side of the sleeve is provided with a sleeve thread, the sleeve thread is integrally formed on the sleeve, one side of the sleeve is provided with a mounting frame, the mounting frame is fixedly connected to the main body, one side of the mounting frame is provided with a frame thread, the frame thread is integrally formed on the mounting frame, and the sleeve is threadedly connected to the mounting frame.

[0010] As a further solution of the utility model: a limit block is provided at one end of the mounting frame, the limit block is fixedly connected to the mounting frame, a through hole corresponding to the cutter head is opened in the limit block, the cutter head can be plugged into the limit block, an elastic connecting plate is provided in the mounting frame, one side of the elastic connecting plate is fixedly connected to the mounting frame, a movable plate is provided at one end of the elastic connecting plate, the movable plate is fixedly connected to the elastic connecting plate, a sealing guide plate is provided on one side of the mounting frame, one end of the sealing guide plate is fixedly connected to the limit block, a moving rod is provided in the sealing guide plate, one end of the moving rod is movably plugged into the moving plate, a plug-in block is provided at one end of the moving rod away from the moving plate, the plug-in block is fixedly connected to the moving rod, and the size of the plug-in block is adapted to the size of the opening.

[0011] As a further solution of the utility model: the moving rod passes through the sealing guide plate and is slidably connected to the sealing guide plate, the moving rod is provided with a control plate, the control plate is fixedly connected to the moving rod, a spring is provided on one side of the control plate, one end of the spring is fixedly connected to the control plate, a limit plate is provided at the end of the spring away from the control plate, one end of the limit plate is fixedly connected to the limit block, and one end of the spring is fixedly connected to the limit plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] Insert the cutter head into the installation assembly, rotate the outer sleeve so that one end of the outer sleeve squeezes the moving plate, the moving plate moves to move the moving rod inward, and the plug-in block is plugged into the opening to fix the cutter head. At this time, the spring is in a compressed state. When removing the cutter head, rotate the outer sleeve to move the outer sleeve away from the moving plate, the spring expands to control the control plate to move outward, the control plate drives the moving rod to move outward, and the plug-in block moves away from the opening to complete the removal of the cutter head. This type of cutter head fixation method uses a plug-in block to fix the cutter head. During long-term use, the equipment wear is small and the replacement of cutters can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The present invention is a schematic diagram of the structure of a hemostatic knife with a conveniently disassembled blade.

[0015] Figure 2 The present invention is a schematic diagram of the structure of an installation component in a hemostatic knife that facilitates the removal of the blade head.

[0016] Figure 3 The present invention is a schematic diagram of the structure of an installation component in a hemostatic knife that facilitates the removal of the blade head. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figures 1 to 3 In an embodiment of the utility model, a hemostatic knife with a blade that is easy to disassemble includes a main body component 100 and an installation component 200.

[0019] The main body component 100 is provided with a mounting component 200 , and the mounting component 200 is mounted and connected to the main body component 100 .

[0020] The main body component 100 is provided with a cutter head 101, a main body 102, a handle 103, and a button 104. The handle 103 is provided on one side of the main body 102, and the handle 103 is fixedly connected to the main body 102. A button 104 is provided on one side of the handle 103, and the button 104 is installed and connected to the handle 103. A cutter head 101 is provided on one side of the main body 102, and one end of the cutter head 101 is detachably connected to the main body 102.

[0021] One end of the cutter head 101 is provided with a plurality of openings 111 , and the openings 111 are integrally formed on the cutter head 101 .

[0022] The installation component 200 includes a sleeve 201, a mounting frame 202, a limit block 203, an elastic connecting plate 204, a movable plate 205, a sealing guide plate 206, a movable rod 207, a control plate 208, a spring 209, a plug-in block 210, a limit plate 211, a sleeve thread 212, and a frame thread 213. The sleeve 201 is provided with a through hole, and the cutter head 101 passes through the through hole of the sleeve 201 and is slidably connected in the sleeve 201. One side of the sleeve 201 is provided with a sleeve thread 212, and the sleeve thread 212 is integrally formed on the sleeve 201. One side of the sleeve 201 is provided with a mounting frame 202, and the mounting frame 202 is fixedly connected to the main body 102. One side of the mounting frame 202 is provided with a frame thread 213, and the frame thread 213 is integrally formed on the mounting frame 202. The sleeve 201 is threadedly connected to the mounting frame 202.

[0023] A limit block 203 is provided at one end of the mounting frame 202, and the limit block 203 is fixedly connected to the mounting frame 202. A through hole corresponding to the cutter head 101 is opened in the limit block 203, and the cutter head 101 can be plugged into the limit block 203. An elastic connecting plate 204 is provided in the mounting frame 202, and one side of the elastic connecting plate 204 is fixedly connected to the mounting frame 202. A movable plate 205 is provided at one end of the elastic connecting plate 204, and the movable plate 205 is fixedly connected to the elastic connecting plate 204. A sealing guide plate 206 is provided at one side of the mounting frame 202, and one end of the sealing guide plate 206 is fixedly connected to the limit block 203. A movable rod 207 is provided in the sealing guide plate 206, and one end of the movable rod 207 is movably plugged into the movable rod 207. On the plate 205, a plug-in block 210 is provided at one end of the moving rod 207 away from the moving plate 205, and the plug-in block 210 is fixedly connected to the moving rod 207. The size of the plug-in block 210 is adapted to the size of the opening 111. The moving rod 207 passes through the sealing guide plate 206 and is slidably connected to the sealing guide plate 206. A control plate 208 is provided on the moving rod 207, and the control plate 208 is fixedly connected to the moving rod 207. A spring 209 is provided on one side of the control plate 208, and one end of the spring 209 is fixedly connected to the control plate 208. A limit plate 211 is provided at one end of the spring 209 away from the control plate 208, and one end of the limit plate 211 is fixedly connected to the limit block 203, and one end of the spring 209 is fixedly connected to the limit plate 211.

[0024] The working principle of the utility model is:

[0025] During operation, the cutter head 101 is plugged into the mounting assembly 200, and the outer sleeve 201 is rotated so that one end of the outer sleeve 201 squeezes the movable plate 205. The movable plate 205 moves to make the movable rod 207 move inward, and the plug-in block 210 is plugged into the opening 111 to fix the cutter head 101. At this time, the spring 209 is in a compressed state. When removing the cutter head 101, the outer sleeve 201 is rotated to make the outer sleeve 201 move away from the movable plate 205. The spring 209 expands to control the control plate 209 to move outward. The control plate 209 drives the movable rod 207 to move outward, and the plug-in block 210 moves away from the opening 111 to complete the removal of the cutter head 101.

[0026] The cutter head 101 in this manner is fixed by using a plug-in block 210 , which reduces the wear of the device during long-term use and reduces the replacement of the cutter 101 .

[0027] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A hemostatic knife with a conveniently detachable blade head, comprising a main body assembly (100) and an installation assembly (200), characterized in that: The main body component (100) is provided with a mounting component (200), the mounting component (200) is mounted and connected to the main body component (100), the mounting component (200) comprises a jacket (201), a mounting frame (202), a limit block (203), an elastic connecting plate (204), a moving plate (205), a sealing guide plate (206), a moving rod (207), a control plate (208), a spring (209), a plug-in block (210), a limit plate (211), a jacket thread (212), and a frame thread (213), the jacket (201) is provided with a through hole, and a knife The head (101) passes through the through hole of the outer sleeve (201) and is slidably connected in the outer sleeve (201); a outer sleeve thread (212) is provided on one side of the outer sleeve (201); the outer sleeve thread (212) is integrally formed on the outer sleeve (201); a mounting frame (202) is provided on one side of the outer sleeve (201); the mounting frame (202) is fixedly connected to the main body (102); a frame thread (213) is provided on one side of the mounting frame (202); the frame thread (213) is integrally formed on the mounting frame (202); and the outer sleeve (201) and the mounting frame (202) are threadedly connected.

2. A hemostatic knife with a conveniently detachable blade according to claim 1, characterized in that: The main body component (100) is provided with a cutter head (101), a main body (102), a handle (103), and a button (104); a handle (103) is provided on one side of the main body (102); the handle (103) is fixedly connected to the main body (102); a button (104) is provided on one side of the handle (103); the button (104) is installed and connected to the handle (103); a cutter head (101) is provided on one side of the main body (102); one end of the cutter head (101) is detachably connected to the main body (102).

3. The hemostatic knife with a conveniently detachable blade according to claim 1, characterized in that: One end of the cutter head (101) is provided with a plurality of groups of openings (111), and the openings (111) are integrally formed on the cutter head (101).

4. The hemostatic knife with a conveniently detachable blade according to claim 1, characterized in that: A limit block (203) is provided at one end of the mounting frame (202), the limit block (203) is fixedly connected to the mounting frame (202), a through hole corresponding to the cutter head (101) is opened in the limit block (203), and the cutter head (101) can be plugged into the limit block (203), an elastic connecting plate (204) is provided in the mounting frame (202), one side of the elastic connecting plate (204) is fixedly connected to the mounting frame (202), and a movable plate (205) is provided at one end of the elastic connecting plate (204), and the movable plate (205) is fixedly connected to the elastic connecting plate (204). On the plate (204), a sealing guide plate (206) is provided on one side of the mounting frame (202), one end of the sealing guide plate (206) is fixedly connected to the limit block (203), a moving rod (207) is provided in the sealing guide plate (206), one end of the moving rod (207) is movably plugged into the moving plate (205), and a plug-in block (210) is provided at one end of the moving rod (207) away from the moving plate (205), the plug-in block (210) is fixedly connected to the moving rod (207), and the size of the plug-in block (210) is adapted to the size of the opening (111).

5. The hemostatic knife with a conveniently detachable blade according to claim 1, characterized in that: The moving rod (207) passes through the sealing guide plate (206) and is slidably connected to the sealing guide plate (206); a control plate (208) is provided on the moving rod (207); the control plate (208) is fixedly connected to the moving rod (207); a spring (209) is provided on one side of the control plate (208); one end of the spring (209) is fixedly connected to the control plate (208); a limiting plate (211) is provided at one end of the spring (209) away from the control plate (208); one end of the limiting plate (211) is fixedly connected to the limiting block (203); and one end of the spring (209) is fixedly connected to the limiting plate (211).

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