Endoscope puncture outfit with electric knife

Abstract

The endoscope puncture outfit comprises a handle, a puncture outfit needle tube is fixedly installed on the lower surface of the handle, threads are arranged on the outer surface of the puncture outfit needle tube, a puncture outfit core is inserted into the puncture outfit needle tube in a penetrating mode, an electrotome mechanism is installed on the lower surface of the puncture outfit core in a threaded mode, and a grab handle is fixedly installed on the upper surface of the puncture outfit core. A conduction metal rod is fixedly installed on the lower surface of the grab handle, the conduction metal rod is located in the puncture outfit core and can be electrically connected with the electrotome mechanism, and a button is arranged on the upper surface of the grab handle and can be electrically connected with the conduction metal rod through a contact. Through the design of the electrotome mechanism, the conduction metal rod, the puncture outfit needle tube and the puncture outfit core, the conical electrotome head has the effect of being convenient to disassemble and replace, the defect that the whole tool needs to be replaced is overcome, economic losses in the operation process can be reduced, materials are saved, and disassembly and assembly operation can be achieved only through forward and reverse rotation in the disassembly and replacement process.

Description

Technical Field

[0001] The utility model relates to the technical field of laparoscope puncture devices, in particular to a laparoscope puncture device with an electric knife. Background Art

[0002] A trocar is a surgical instrument that punctures the chest wall or abdominal wall to provide a channel for other surgical instruments to enter the body cavity.

[0003] For example, a patent with a national authorized patent announcement number of CN209074815U discloses a laparoscopic puncture device with an electric knife, including a puncture sleeve and a puncture rod; the puncture sleeve includes a cylindrical hard sleeve body and a sleeve seat located at the rear end of the hard sleeve body; a sleeve seat cavity connected to the hard sleeve body is provided in the sleeve seat, and a sleeve seat hole corresponding to the hard sleeve body and connected to the sleeve seat cavity is provided at the rear end of the sleeve seat, the outer wall of the sleeve seat includes a truncated cone-shaped tube wall and a cylindrical tube wall connected in sequence, the small end of the truncated cone-shaped tube wall is connected to the rear end of the hard sleeve body, and a conical silicone sleeve is provided in the sleeve seat cavity; the puncture rod includes a puncture head, the puncture head is connected to the puncture rod base through a cylindrical connecting rod, the puncture head passes through the sleeve seat hole, the elastic mouth and the hard sleeve body in sequence and passes out from the head of the hard sleeve body; the puncture head is provided with an electric knife head for electrocoagulation and electrocuting. The utility model has the functions of electric cutting and electric coagulation, is connected with electric cutting current, is easy to poke through tissue, and is connected with electric coagulation current, is easy to stop bleeding of tissue.

[0004] However, the puncture head in the above-mentioned laparoscopic puncture device with electric knife is not easy to disassemble and replace. If the puncture head is damaged, the entire tool cannot be used normally and needs to be replaced, which increases the economic loss during the operation. Utility Model Content

[0005] The utility model aims to provide a laparoscope puncture device with an electric knife to solve the problem that the puncture head proposed in the above background technology is not easy to disassemble and replace. If the puncture head is damaged, the entire tool cannot be used normally and needs to be replaced, which increases the economic loss during the operation.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A laparoscopic puncture device with an electric knife comprises: a handle, a puncture device needle tube is fixedly mounted on the lower surface of the handle, the outer surface of the puncture device needle tube is provided with a thread, a puncture device core is inserted into the puncture device needle tube, an electric knife mechanism is threadedly mounted on the lower surface of the puncture device core, and a grip is fixedly mounted on the upper surface of the puncture device core.

[0008] Preferably, a conductive metal rod is fixedly mounted on the lower surface of the handle, the conductive metal rod is located in the puncture core, and the conductive metal rod can be electrically connected to the electric knife mechanism.

[0009] Preferably, a button is provided on the upper surface of the handle, and the button can be electrically connected to the conductive metal rod through a contact.

[0010] Preferably, a power connection hole is provided on the outer surface of the handle, a power supply can be installed and unplugged in the power connection hole, the power supply can be electrically connected to an external power source, and the power connection hole is electrically connected to the contact of the button.

[0011] Preferably, the electric knife mechanism includes a conical electric knife head, a convex ring tube is fixedly installed on the upper surface of the conical electric knife head, and a threaded portion is provided on the outer surface of the convex ring tube. The conical electric knife head can be threaded into a thread groove through the threaded portion, and the thread groove is opened at the lower end of the inner surface of the puncture core.

[0012] Preferably, the conductive metal rod can be inserted into the convex ring tube and contact the contact point in the conical electric knife head.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. Through the design of the electric knife mechanism, handle, puncture needle tube, power connection hole, button, puncture core, conductive metal rod and power supply, when in use, the puncture core can be inserted into the puncture needle tube, and then the power supply end of the power supply can be inserted into the power connection hole, and then the other end of the power supply can be electrically connected to the external power supply. After the tool is assembled, the staff can hold the outer surface of the handle, and fit the button with the palm, and insert the electric knife mechanism and puncture needle tube into the patient's skin incision and into the patient's abdominal cavity. Then, the handle can be used to drive the puncture core and the electric knife mechanism to be pulled out from the puncture needle tube, and then the surgical instrument can be passed through the puncture needle tube into the abdominal cavity for surgical operation;

[0015] If the electrosurgical mechanism encounters resistance during the puncture process, the worker can press a button with the palm of his hand to connect the electric energy to the conductive metal rod, and then the conductive metal rod can supply electric energy to the electrosurgical mechanism, and the electrosurgical mechanism can produce a cutting effect on the tissue. After the resistance disappears, the palm is released and the cutting current is interrupted to complete the insertion operation;

[0016] When the electrosurgical knife mechanism is damaged and cannot be used, the staff can remove the electrosurgical knife mechanism from the thread in the thread groove and replace it with a spare electrosurgical knife mechanism, so that the normal use of this tool can be maintained, eliminating the disadvantage of having to replace the entire tool, reducing economic losses during the operation, and saving the use of materials.

[0017] 2. Through the design of the conical electric knife head, the convex ring tube and the threaded part, when the conical electric knife head is damaged and cannot be used, the staff can remove the convex ring tube of the conical electric knife head from the thread in the thread groove and replace it with a spare conical electric knife head, so that the normal use of this tool can be maintained, eliminating the disadvantage of having to replace the entire tool, which can reduce economic losses during the operation and save the use of materials. In addition, the disassembly and replacement process only requires forward and reverse rotation to achieve the disassembly and assembly operation, making it convenient to disassemble and assemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the laparoscope puncture device with electric knife of the utility model;

[0019] Figure 2 This is a schematic diagram of the needle tube structure of the puncture device of the utility model;

[0020] Figure 3 It is a schematic diagram of the structure of the puncture core of the utility model being drawn out from the puncture needle tube;

[0021] Figure 4 This is a schematic diagram of the structure of the electric knife mechanism of the utility model;

[0022] Figure 5 It is a schematic diagram of the structure of the thread groove and the conductive metal rod of the utility model.

[0023] In the figure: 1. handle; 101. trocar needle; 2. grip; 201. power connection hole; 202. button; 203. trocar core; 204. conductive metal rod; 205. threaded groove; 3. electric knife mechanism; 301. conical electric knife head; 302. convex ring tube; 303. threaded part; 4. power supply. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-Figure 5 , this embodiment provides the following technical solutions:

[0026] like Figure 1-Figure 3As shown, a laparoscopic puncture device with an electric knife comprises: a handle 1, a puncture device needle tube 101 is fixedly installed on the lower surface of the handle 1, the outer surface of the puncture device needle tube 101 is provided with a thread, a puncture device core 203 is inserted into the puncture device needle tube 101, an electric knife mechanism 3 is threadedly installed on the lower surface of the puncture device core 203, and a handle 2 is fixedly installed on the upper surface of the puncture device core 203.

[0027] A conductive metal rod 204 is fixedly mounted on the lower surface of the handle 2 . The conductive metal rod 204 is located in the puncture core 203 . The conductive metal rod 204 can be electrically connected to the electric knife mechanism 3 .

[0028] A button 202 is disposed on the upper surface of the handle 2 , and the button 202 can be electrically connected to the conductive metal rod 204 through a contact.

[0029] The outer surface of the handle 2 is provided with a power connection hole 201 , in which a power supply 4 can be plugged in and out, and the power supply 4 can be electrically connected to an external power source. The power connection hole 201 is electrically connected to the contact of the button 202 .

[0030] Through the design of the electric knife mechanism 3, the handle 1, the puncture needle tube 101, the power connection hole 201, the button 202, the puncture core 203, the conductive metal rod 204 and the power supply 4, when in use, the puncture core 203 can be inserted into the puncture needle tube 101, and then the power supply end of the power supply 4 can be inserted into the power connection hole 201, and then the other end of the power supply 4 can be electrically connected to the external power supply. After the tool is assembled, the staff can hold the outer surface of the handle 1, and fit the button 202 with the palm, and insert the electric knife mechanism 3 and the puncture needle tube 101 into the patient's skin incision and penetrate into the patient's abdominal cavity, and then the handle 2 can be driven to pull the puncture core 203 and the electric knife mechanism 3 out of the puncture needle tube 101, and then the surgical instrument can be passed through the puncture needle tube 101 into the abdominal cavity for surgical operation;

[0031] If the electrosurgical mechanism 3 encounters resistance during the puncture process, the worker can press the button 202 with the palm of his hand to connect the electric energy to the conductive metal rod 204, and then the conductive metal rod 204 can supply electric energy to the electrosurgical mechanism 3, and the electrosurgical mechanism 3 can produce a cutting effect on the tissue. After the resistance disappears, the palm is released and the cutting current is interrupted to complete the puncture operation;

[0032] When the electrosurgical knife mechanism 3 is damaged and cannot be used, the staff can remove the electrosurgical knife mechanism 3 from the inner thread of the thread groove 205 and replace it with a spare electrosurgical knife mechanism 3, so as to maintain the normal use of this tool, avoid the disadvantage of needing to replace the entire tool, reduce economic losses during the operation, and save the use of materials.

[0033] like Figure 4-Figure 5As shown, the electric knife mechanism 3 includes a conical electric knife head 301, a convex ring tube 302 is fixedly installed on the upper surface of the conical electric knife head 301, and a threaded portion 303 is provided on the outer surface of the convex ring tube 302. The conical electric knife head 301 can be threadedly installed in the thread groove 205 through the threaded portion 303, and the thread groove 205 is opened at the lower end of the inner surface of the puncture core 203.

[0034] The conductive metal rod 204 can be inserted into the convex ring tube 302 and contact the contact points in the conical electric knife head 301.

[0035] Through the design of the conical electric knife head 301, the convex ring tube 302 and the threaded portion 303, when the conical electric knife head 301 is damaged and cannot be used, the staff can remove the convex ring tube 302 of the conical electric knife head 301 from the inner thread of the thread groove 205 and replace it with a spare conical electric knife head 301, so that the normal use of this tool can be maintained, eliminating the disadvantage of having to replace the entire tool, reducing economic losses during the operation, saving the use of materials, and the disassembly and replacement process only requires forward and reverse rotation to achieve the disassembly and assembly operation, making it convenient to disassemble and assemble.

[0036] According to the above technical scheme, the working steps of this scheme are summarized and sorted out: when in use, the puncture core 203 can be inserted into the puncture needle tube 101, and then the power supply end of the power supply 4 can be inserted into the power connection hole 201, and then the other end of the power supply 4 is electrically connected to the external power supply. After the tool is assembled, the staff can hold the outer surface of the handle 1, and fit the button 202 with the palm, and insert the conical electric knife head 301 and the puncture needle tube 101 into the patient's skin incision, and penetrate into the patient's abdominal cavity, and then the handle 2 can be used to drive the puncture core 203 and the conical electric knife head 301 to be pulled out of the puncture needle tube 101, and then the surgical instrument can be passed through the puncture needle tube 101 into the abdominal cavity for surgical operation;

[0037] If the conical electric knife head 301 encounters resistance during the puncture process, the staff can press the button 202 with the palm of their hand to connect the electric energy to the conductive metal rod 204, and then the conductive metal rod 204 can supply the electric energy to the electric knife mechanism 3, and the electric knife mechanism 3 can produce a cutting effect on the tissue. After the resistance disappears, the palm is released and the cutting current is interrupted to complete the insertion operation;

[0038] When the conical electric knife head 301 is damaged and cannot be used, the staff can remove the convex ring tube 302 of the conical electric knife head 301 from the inner thread of the thread groove 205 and replace it with a spare conical electric knife head 301, so that the normal use of this tool can be maintained.

[0039] In summary: the conical electric knife head has the function of convenient disassembly and replacement, eliminating the disadvantage of needing to replace the entire tool, which can reduce economic losses during surgery and save the use of materials. Moreover, the disassembly and replacement process only requires forward and reverse rotation to achieve the disassembly and assembly operation.

[0040] Parts not involved in the present invention are the same as the prior art or can be implemented by the prior art. Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A laparoscope puncture device with an electric knife, characterized in that: include: A handle (1), wherein a puncture needle tube (101) is fixedly mounted on the lower surface of the handle (1), the outer surface of the puncture needle tube (101) is provided with a thread, a puncture core (203) is inserted into the puncture needle tube (101), an electric knife mechanism (3) is threadedly mounted on the lower surface of the puncture core (203), and a grip (2) is fixedly mounted on the upper surface of the puncture core (203).

2. A laparoscopic puncture device with an electric knife according to claim 1, characterized in that: A conductive metal rod (204) is fixedly mounted on the lower surface of the handle (2), the conductive metal rod (204) is located in the puncture core (203), and the conductive metal rod (204) can be electrically connected to the electric knife mechanism (3).

3. A laparoscopic puncture device with an electric knife according to claim 2, characterized in that: A button (202) is provided on the upper surface of the handle (2), and the button (202) can be electrically connected to the conductive metal rod (204) via a contact.

4. The laparoscopic puncture device with an electric knife according to claim 2, characterized in that: The outer surface of the handle (2) is provided with a power connection hole (201), a power supply (4) can be plugged in and out of the power connection hole (201), the power supply (4) can be electrically connected to an external power source, and the power connection hole (201) is electrically connected to the contact of the button (202).

5. The laparoscopic puncture device with an electric knife according to claim 3, characterized in that: The electric knife mechanism (3) comprises a conical electric knife head (301), a convex ring tube (302) is fixedly mounted on the upper surface of the conical electric knife head (301), a threaded portion (303) is provided on the outer surface of the convex ring tube (302), and the conical electric knife head (301) can be threadedly mounted in a thread groove (205) through the threaded portion (303), and the thread groove (205) is provided at the lower end of the inner surface of the puncture core (203).

6. The laparoscopic puncture device with an electric knife according to claim 5, characterized in that: The conductive metal rod (204) can be inserted into the convex ring tube (302) and contact the contact point in the conical electric knife head (301).

Images