Lengthened shear type radio frequency electrocoagulation instrument with special coating

Abstract

The utility model discloses a shear mode radio frequency electrocoagulation instrument with a special coating, which comprises a handle, the handle comprises a handle upper shell and a handle lower shell, the shear mode radio frequency electrocoagulation instrument also comprises a forceps head, a cutter bar fixing seat and a cutter bar, the forceps head is connected with the cutter bar fixing seat, and the middle part of the cutter bar penetrates into the cutter bar fixing seat after penetrating through a silicon rubber case and is connected with the cutter bar fixing seat; a lantern spring is inserted into the tail portion of the screwdriver rod, a five-core socket assembly is inserted into the lantern spring, and a plug part of the five-core socket assembly is sleeved with the handle tailstock. The cutter bar fixing seat is inserted into the handle so as to fix the cutter bar on the handle; the handle lower shell is provided with a handle lower shell clamping groove b, a silica gel sheet, a flexible circuit board and a large and small gear switch button are sequentially placed in the handle lower shell clamping groove b, the large and small gear switch button is in contact with the flexible circuit board, and the cutter bar is connected with the flexible circuit board. The large and small gear switch button arranged on the upper portion of the handle is used for adjusting radio frequency intensity, and operation time is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to a scissor-type radiofrequency electrocoagulation device with a special coating. Background Art

[0002] Electrocoagulation is mainly used for surgical hemostasis. It uses the thermal effect of high-frequency current to dehydrate and shrink the blood vessel wall, coagulate the blood in the blood vessel, and fuse the blood vessel and the blood clot into one, thereby achieving effective hemostasis. The problems of currently available electrocoagulation scissors in clinical applications are: 1) the electrocoagulation power cannot be adjusted, and the operation time cannot be controlled according to the surgical situation; 2) it is inconvenient to use, especially in thyroid surgery, which requires precise and delicate clinical operations. It is inconvenient for doctors or nurses to use, the hand feel is not smooth, and it is difficult to accurately control the blade part. Utility Model Content

[0003] In order to solve the problems raised in the above background technology, the purpose of the utility model is to provide a scissor-type radiofrequency electrocoagulation instrument with a special coating. A large and small gear switch button is provided on the upper part of the handle for adjusting the radiofrequency intensity, which can save operation time.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a scissor-type radiofrequency electrocoagulation instrument with a special coating, comprising a handle, wherein the handle comprises an upper handle shell and a lower handle shell, and the tail of the upper handle shell and the lower handle shell that are buckled together are buckled with a handle tail seat,

[0005] It also includes a pliers head, a knife bar fixing seat and a knife bar, wherein the pliers head is connected to the knife bar fixing seat, and the middle part of the knife bar is inserted into the knife bar fixing seat after being provided with a silicone sleeve and connected to the knife bar fixing seat;

[0006] A lantern spring is inserted into the tail of the knife rod, a five-core socket assembly is inserted into the lantern spring, and the plug part of the five-core socket assembly is inserted into the tail seat of the handle;

[0007] The knife bar fixing seat is inserted into the handle to fix the knife bar on the handle;

[0008] The handle lower shell has a handle lower shell slot b, in which a silicone sheet, a flexible circuit board and a size switch button are placed in sequence, the size switch button is in contact with the flexible circuit board, and the knife rod is connected to the flexible circuit board.

[0009] Preferably, the knife rod and the pliers head end within 4 cm are coated with a special coating, which is a gold-plated or silver-plated layer.

[0010] Preferably, the forceps head and the knife rod are lengthened by 10 mm based on the existing scissor-type radiofrequency electrocoagulation instrument.

[0011] Optionally, the pliers head is provided with a pliers head positioning hole, the arbor fixing seat is provided with a arbor fixing seat positioning hole b, and the pliers head and the arbor fixing seat are connected to each other via a pliers head pin passing through the pliers head positioning hole and the arbor fixing seat positioning hole b.

[0012] Optionally, the tail of the pliers head has a square boss, and the joint between the buckle hand and the pliers head has a square groove, and the pliers head and the buckle hand are connected together by inserting the square boss into the square groove.

[0013] Optionally, the handle lower shell has a handle lower shell slot a, and the knife bar fixing seat is inserted into the handle and connected to the handle lower shell slot a, thereby fixing the knife bar on the handle.

[0014] Compared with the prior art, the present invention has at least the following beneficial technical effects:

[0015] 1. A large and small switch button is set on the upper part of the handle to adjust the radio frequency intensity. The large and small switch buttons include large and small gears. After pressing the large gear, the flexible circuit board controls the current to increase the electrocoagulation power. After pressing the small gear, the flexible circuit board controls the current to reduce the electrocoagulation power, which can save surgical time.

[0016] 2. A special coating is applied within 4 cm of the knife rod and the end of the forceps. The special coating is a gold-plated or silver-plated layer, which reduces the contact area with tissues and liquids. After electrocoagulation, the tissue sticks to the knife less and there is less bleeding. This allows the surgeon to have a good and clear field of vision without having to take out the instrument and clean the forceps head. The surgeon can operate on tissues or blood vessels more accurately, thereby improving surgical efficiency.

[0017] 3. By lengthening the knife rod and the forceps head, the convenience of precise operation by the doctor is enhanced, and the problem of the doctor's line of sight and viewing angle being blocked during surgery is solved.

[0018] 4. As an energy-type cutting and hemostatic device, the scissor-type radiofrequency electrocoagulation device has the advantages of high cutting accuracy, good hemostatic performance, small thermal damage and high safety performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0020] Figure 1 It is a three-dimensional diagram of the utility model;

[0021] Figure 2 It is the structural explosion diagram of the utility model;

[0022] Figure 3 This is a schematic diagram of the special coating of the utility model.

[0023] Description of reference numerals:

[0024] 1. Tool bar fixing seat, 101. Tool bar fixing seat positioning hole a, 102. Tool bar fixing seat positioning hole b;

[0025] 2. Large and small gear switch button; 201, large gear; 202, small gear;

[0026] 3. Handle upper shell;

[0027] 4. Flexible circuit board;

[0028] 5. Tool bar, 501, tool bar positioning hole;

[0029] 6. Silicone sheet;

[0030] 7. Silicone sleeve;

[0031] 8. Five-core socket assembly;

[0032] 9. Handle tailstock;

[0033] 10. Clamp head, 1001. Clamp head positioning hole;

[0034] 11. Tool bar fixing pin;

[0035] 12. Lantern spring;

[0036] 13. Clasp your hands;

[0037] 14. Clamp head pin;

[0038] 15. handle lower shell, 1501. handle lower shell slot a, 1502. handle lower shell slot b;

[0039] 20. Special coating. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0041] A specially coated scissor-type radiofrequency electrocoagulation device, such as Figure 1 , Figure 2 As shown, the handle includes a handle upper shell 3 and a handle lower shell 15 that can be buckled together, and the handle tail seat 9 is buckled at the tail of the handle upper shell 3 and the handle lower shell 15 that are buckled together.

[0042] Furthermore, the utility model also includes a pliers head 10 and a knife bar 5, wherein the pliers head 10 is provided with a pliers head positioning hole 1001, and the knife bar fixing seat 1 is provided with a knife bar fixing seat positioning hole b102, and the pliers head 10 and the knife bar fixing seat 1 are connected to each other through a pliers head pin 14 passing through the pliers head positioning hole 1001 and the knife bar fixing seat positioning hole b102; the tail of the pliers head 10 has a square boss, and the buckle hand 13 has a square groove at the joint between the pliers head 10, and the pliers head 10 and the buckle hand 13 are connected together by inserting the square boss into the square groove; the silicone sleeve 7 is inserted into the middle of the knife bar 5 to play a fixing and insulating role, and the knife bar 5 is inserted into the knife bar The rod fixing seat 1 is connected together with the knife rod 5 by inserting the knife rod fixing pin 11 into the knife rod fixing seat positioning hole a101 of the knife rod fixing seat 1 and the knife rod positioning hole 501 of the knife rod 5; a lantern spring 12 is inserted into the tail of the knife rod 5, and a five-core socket assembly 8 is inserted in the lantern spring 12. The plug part of the five-core socket assembly 8 is inserted into the handle tail seat 9, and the five-core socket assembly 8 is used for external cables; the handle lower shell 15 has a handle lower shell slot a1501, and the knife rod fixing seat 1 is inserted into the handle and connected with the handle lower shell slot 1501, so as to fix the knife rod 5 on the handle.

[0043] like Figure 2 As shown, the handle lower shell 15 has a handle lower shell slot b1502. After the handle upper shell 3 and the handle lower shell 15 are clamped with each other through the slots provided on their peripheries, the silicone sheet 6, the flexible circuit board 4 and the size switch button 2 are placed in the handle lower shell slot b1502 in sequence, wherein the silicone sheet 6 is used for sealing to prevent liquid from penetrating and causing a short circuit in the flexible circuit board 4, and the size switch button 2 is used to adjust the electrocoagulation power. The size switch button 2 is in contact with the flexible circuit board 4, and includes a large gear 201 and a small gear 202. After pressing the large gear 201, the flexible circuit board 4 controls the current to increase the electrocoagulation power, and after pressing the small gear 202, the flexible circuit board 4 controls the current to reduce the electrocoagulation power; the knife rod 5 is connected to the flexible circuit board 4, and the output power of the flexible circuit board 4 is used to realize the functions of the knife rod 5 for cutting tissues of different thicknesses (100W-300W) and coagulation and hemostasis (30W-100W).

[0044] like Figure 3 As shown, a special coating is applied within 4 cm of the end of the knife rod 5 and the forceps head 10, wherein the special coating is a gold-plated or silver-plated layer. Through grinding, polishing and electroplating treatment, the surface can be made smoother, the raised parts on the surface are fewer and smaller, the contact area with tissues and liquids is reduced, the tissue sticking to the knife is reduced after electrocoagulation, and bleeding is less, which facilitates the surgeon to have a good and clear field of vision, without having to take out the instrument and clean the forceps head, and can operate on tissues or blood vessels more accurately, thereby improving surgical efficiency.

[0045] As a preferred embodiment of the utility model, the forceps head 10 and the knife rod 5 are lengthened by 10 mm on the basis of the existing scissor-type radiofrequency electrocoagulation instrument. By lengthening the knife rod and the forceps head, the convenience of precise operation by the doctor is enhanced, and the operation problem of the doctor's line of sight and viewing angle being blocked during surgery is solved.

[0046] Please refer to the attached Figure 1 To Attachment Figure 3 The working process of the scissor-type radiofrequency electrocoagulation device with a special coating described in the utility model is described in detail.

[0047] The scissor-type radio frequency electrocoagulation surgical instrument transmits electrical energy to the handle by connecting to the radio frequency port of the high-frequency surgical equipment. The flexible circuit board 4 is activated by adjusting the size switch button 2 in the handle. The flexible circuit board 4 transmits electrical energy to the front end of the knife rod 5. The front end of the knife rod 5 contacts the tissue protein, the protein hydrogen bonds are broken and the protein structure is reorganized, the protein coagulates and closes the small lumen, the protein is vibrated to generate secondary energy, and deeply coagulates and closes the larger lumen, thereby achieving the effects of cutting, coagulating tissue and stopping bleeding.

[0048] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can 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 should be included in the protection scope of the present invention.

Claims

1. A specially coated extended scissor-type radiofrequency electrocoagulation instrument, comprising a handle, wherein the handle comprises an upper handle shell and a lower handle shell, and the tail of the upper handle shell and the lower handle shell that are buckled together are buckled with a handle tail seat, characterized in that: It also includes a pliers head, a knife bar fixing seat and a knife bar, wherein the pliers head is connected to the knife bar fixing seat, and the middle part of the knife bar is inserted into the knife bar fixing seat after being provided with a silicone sleeve and connected to the knife bar fixing seat; A lantern spring is inserted into the tail of the knife rod, a five-core socket assembly is inserted into the lantern spring, and the plug part of the five-core socket assembly is inserted into the tail seat of the handle; The knife bar fixing seat is inserted into the handle to fix the knife bar on the handle; The handle lower shell has a handle lower shell slot b, in which a silicone sheet, a flexible circuit board and a size switch button are placed in sequence, the size switch button is in contact with the flexible circuit board, and the knife rod is connected to the flexible circuit board.

2. The specially coated extended scissor-type radiofrequency electrocoagulation device according to claim 1, characterized in that: The knife bar and the pliers head end within 4 cm are coated with a special coating, which is a gold-plated or silver-plated layer.

3. The specially coated extended scissor-type radiofrequency electrocoagulation device according to claim 1, characterized in that: The clamp head and the knife rod are lengthened by 10 mm based on the existing scissor-type radiofrequency electrocoagulation instrument.

4. The specially coated extended scissor-type radiofrequency electrocoagulation device according to claim 1, characterized in that: The pliers head is provided with a pliers head positioning hole, the arbor fixing seat is provided with a arbor fixing seat positioning hole b, and the pliers head and the arbor fixing seat are connected to each other through a pliers head pin passing through the pliers head positioning hole and the arbor fixing seat positioning hole b.

5. The specially coated extended scissor-type radiofrequency electrocoagulation device according to claim 1, characterized in that: The tail of the clamp head is provided with a square boss, and the joint between the buckle hand and the clamp head is provided with a square groove, and the clamp head and the buckle hand are connected together by inserting the square boss into the square groove.

6. The specially coated extended scissor-type radiofrequency electrocoagulation device according to claim 1, characterized in that: The handle lower shell has a handle lower shell slot a, and the knife bar fixing seat is inserted into the handle and connected with the handle lower shell slot a, thereby fixing the knife bar on the handle.

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