Laparoscopic instrument

By designing an electrical connection structure with replaceable functional heads and male connectors, the problem of frequent replacement of traditional laparoscopic instruments is solved, achieving stability and safety of electrical connections and improving surgical efficiency and safety.

CN224251473UActive Publication Date: 2026-05-19BAISHENG MEDICAL
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
BAISHENG MEDICAL
Filing Date
2025-03-20
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

Traditional laparoscopic instruments have fixed functional heads, requiring frequent replacement, which affects surgical efficiency and increases the risk of infection. The electrical connection design is not compact and poses safety hazards.

Method used

The design incorporates interchangeable functional heads and a power connection structure that allows for the mating of male and female connectors. Combined with an integrated circuit board and conductive rods, this ensures the stability and safety of the electrical connection.

Benefits of technology

Improve surgical efficiency, reduce the risk of instrument replacement, ensure the continuity and safety of current transmission, and enhance operational flexibility and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The laparoscope instrument comprises a handle and a functional head, an insulating sleeve is fixedly installed on the head portion of the handle, an electric connector is fixedly installed on the tail portion of the handle, a conducting rod is arranged in the insulating sleeve, a power connection male connector is arranged on the head portion of the conducting rod, and the power connection male connector is electrically connected with the electric connector; the functional head comprises a hook head, a tool bit, a needle head, a shovel head and a rod head, the tail part of the functional head is provided with a power connection female head, and the power connection male head can be matched and electrically connected with the power connection female head. According to the laparoscope instrument provided by the embodiment of the utility model, the operation flexibility in an operation process can be improved by replacing different functional heads, and the stability and the safety of electrical connection are ensured.
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Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and in particular to a laparoscopic device. Background Technology

[0002] Currently, laparoscopic instruments are widely used in modern surgery. However, traditional laparoscopic instruments have some design shortcomings that affect surgical efficiency and the operator's experience. For example, the functional heads of traditional laparoscopic instruments are usually fixed, which means that different instruments need to be frequently changed to perform different types of surgical procedures, such as cutting and electrocoagulation hemostasis, increasing surgical time and potentially raising the risk of infection. In addition, the electrical connections are not designed to be compact or easy to change quickly, resulting in inconvenience and potential safety hazards. Utility Model Content

[0003] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a laparoscopic instrument that can improve operational flexibility during surgery by changing different functional heads, while ensuring the stability and safety of electrical connections.

[0004] A laparoscopic instrument according to this utility model includes a handle and a functional head. An insulating sleeve is fixedly installed at the head of the handle, and an electrical connector is fixedly installed at the tail of the handle. A conductive rod is disposed inside the insulating sleeve, and a male electrical connector is disposed at the head of the conductive rod, which is electrically connected to the electrical connector. The functional head includes a hook head, a blade head, a needle head, a shovel head, and a rod head, and a female electrical connector is disposed at the tail of the functional head, which can be electrically connected to the female electrical connector.

[0005] The laparoscopic instrument according to the above embodiments of the present invention has at least the following beneficial effects:

[0006] The laparoscopic instrument provided in this embodiment features a replaceable functional head, allowing the same instrument to adapt to various surgical needs. Surgeons can quickly change the functional head as needed, eliminating the need for frequent replacement of the entire instrument. This not only improves surgical efficiency but also reduces the risks associated with instrument changes during surgery. The use of a male and female electrical connector ensures stable and safe electrical connections during switching between different functional heads, effectively avoiding potential contact problems in traditional designs. This guarantees the continuity and stability of current transmission, enhancing surgical safety.

[0007] According to some embodiments of the present invention, the handle is provided with a mounting cavity, a circuit board is fixedly mounted in the mounting cavity, an electrocoagulation control switch is provided on the side of the handle, and the electrical connector, the male connector and the electrocoagulation control switch are all electrically connected to the circuit board.

[0008] According to some embodiments of this utility model, the conductive rod is provided with a conductive cavity communicating with the mounting cavity, the male connector is fixedly installed in the conductive cavity, the conductive cavity is provided with a conductive line, and the male connector is electrically connected to the circuit board through the conductive line.

[0009] According to some embodiments of the present invention, the head of the insulating sleeve is provided with a lighting lamp, and the lighting lamp is electrically connected to the circuit board.

[0010] According to some embodiments of the present invention, a lighting control switch is provided on the side of the handle, the lighting control switch is used to control the opening and closing of the lighting lamp, and the lighting control switch is electrically connected to the circuit board.

[0011] According to some embodiments of the present invention, the insulating sleeve is provided with a sandwich layer communicating with the mounting cavity, and a lighting circuit is provided in the sandwich layer. The lighting lamp is electrically connected to the circuit board through the lighting circuit.

[0012] According to some embodiments of this utility model, two lighting lamps are provided, and the two lighting lamps are symmetrically distributed on both sides of the functional head.

[0013] According to some embodiments of the present invention, the handle is made of rubber and the outer surface of the handle is provided with a corrugated anti-slip texture along the circumferential direction.

[0014] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0016] Figure 1 This is a schematic diagram of the structure of the laparoscopic instrument according to an embodiment of the present invention;

[0017] Figure 2 This is an exploded view of the laparoscopic instrument according to an embodiment of the present invention;

[0018] Figure 3 This is a partial structural diagram of the laparoscopic instrument according to an embodiment of the present utility model;

[0019] Figure 4This is another partial structural diagram of the laparoscopic instrument according to an embodiment of the present invention.

[0020] In the attached figures, the following labels are used:

[0021] Handle 100; Mounting cavity 101; Electrical connector 110; Circuit board 120; Electrocoating control switch 130; Lighting control switch 140; Anti-slip texture 150;

[0022] Insulating sleeve 200; interlayer 201; lighting lamp 210; lighting circuit 220;

[0023] Conductive rod 300; conductive cavity 301; male connector 310; conductive line 320;

[0024] Functional connector 400; power female connector 410. Detailed Implementation

[0025] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0026] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0027] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0028] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly. Those skilled in the art can reasonably determine the specific meaning of these terms in this utility model based on the specific content of the technical solution. In the description of this utility model, the terms "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described can be combined in any suitable manner in one or more embodiments or examples. In the description of this specification, the terms "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0029] Reference Figures 1 to 4 According to this utility model, a laparoscopic instrument includes a handle 100 and a functional head 400. An insulating sleeve 200 is fixedly installed at the head of the handle 100, and an electrical connector 110 is fixedly installed at the tail of the handle 100. A conductive rod 300 is provided inside the insulating sleeve 200, and a male electrical connector 310 is provided at the head of the conductive rod 300. The male electrical connector 310 is electrically connected to the electrical connector 110. The functional head 400 includes a hook head, a blade head, a needle head, a shovel head, and a rod head. A female electrical connector 410 is provided at the tail of the functional head 400, and the male electrical connector 310 can be electrically connected to the female electrical connector 410.

[0030] It is understood that the laparoscopic instrument provided in this embodiment of the invention, through the design of a replaceable functional head 400, allows the same laparoscopic instrument to adapt to various surgical needs. Surgeons can quickly change the functional head 400 according to actual operational needs, without frequently replacing the entire instrument. This not only improves surgical efficiency but also reduces the risks associated with changing instruments during surgery. The use of a male electrical connector 310 and a female electrical connector 410 ensures stable and safe electrical connections during switching between different functional heads 400, effectively avoiding potential contact problems in traditional designs, guaranteeing the continuity and stability of current transmission, and improving surgical safety.

[0031] It should be noted that, in this embodiment of the utility model, the functional head 400 includes, but is not limited to, the hook head, blade head, needle head, shovel head, and rod head mentioned above. Other functional heads 400 may also be used according to actual surgical needs. Among them, the hook head is usually used for fine tissue separation or dissection operations; the blade head is mainly used for cutting tissue, and can quickly and cleanly cut tissue through high-frequency current, while also having a hemostatic effect; the needle head is generally used for suturing operations; the shovel head is often used for large-area tissue treatment, such as peeling off tissue around tumors or removing necrotic tissue; the rod head can be used for various purposes, including but not limited to exploring, moving tissue, or using it as a support point for other operations.

[0032] Furthermore, refer to Figures 1 to 4 According to some embodiments of this utility model, a mounting cavity 101 is provided inside the handle 100, and a circuit board 120 is fixedly installed inside the mounting cavity 101. An electrocoagulation control switch 130 is provided on the side of the handle 100. The electrical connector 110, the male connector 310, and the electrocoagulation control switch 130 are all electrically connected to the circuit board 120. Through the integrated circuit board 120 and the electrocoagulation control switch 130, the electrical structure is simplified, while improving the convenience and functionality of use.

[0033] Furthermore, refer to Figure 4 According to some embodiments of this utility model, a conductive cavity 301 communicating with the mounting cavity 101 is provided inside the conductive rod 300. The male connector 310 is fixedly installed in the conductive cavity 301. A conductive line 320 is provided inside the conductive cavity 301. The male connector 310 is electrically connected to the circuit board 120 through the conductive line 320, which ensures the effective transmission of current from the circuit board 120 to the male connector 310, reduces energy loss, and enhances the reliability of the electrical connection.

[0034] Furthermore, refer to Figure 3 and Figure 4 According to some embodiments of the present invention, the head of the insulating sleeve 200 is provided with an illumination lamp 210, which is electrically connected to the circuit board 120, thereby providing supplemental lighting for the surgical area, improving the intraoperative field of vision, and facilitating more precise operations.

[0035] Furthermore, refer to Figure 3 and Figure 4 According to some embodiments of this utility model, a lighting control switch 140 is provided on the side of the handle 100. The lighting control switch 140 is used to control the opening and closing of the lighting lamp 210. The lighting control switch 140 is electrically connected to the circuit board 120. Doctors can flexibly control the opening and closing of the lighting lamp 210 according to actual needs, which improves the convenience of operation and environmental adaptability.

[0036] Furthermore, refer to Figure 3 and Figure 4According to some embodiments of the present invention, an interlayer 201 communicating with the mounting cavity 101 is provided inside the insulating sleeve 200. A lighting circuit 220 is provided inside the interlayer 201. The lighting lamp 210 is electrically connected to the circuit board 120 through the lighting circuit 220. By providing an interlayer 201 inside the insulating sleeve 200 to protect the lighting circuit 220, damage to the circuit from external factors is avoided, and the durability and safety of the equipment are increased.

[0037] Furthermore, refer to Figure 4 According to some embodiments of this utility model, two lighting lamps 210 are provided, and the two lighting lamps 210 are symmetrically distributed on both sides of the functional head 400, which ensures that the surgical area receives more uniform lighting and further improves visual clarity and operational accuracy.

[0038] Furthermore, refer to Figure 1 and Figure 2 According to some embodiments of the present invention, the handle 100 is made of rubber and the outer surface of the handle 100 is provided with a corrugated anti-slip texture 150 along the circumferential direction, which not only increases friction to prevent slipping, but also provides a more comfortable grip experience and reduces fatigue caused by long-term operation.

[0039] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A laparoscopic instrument, characterized in that, include: The handle has an insulating sleeve fixedly installed at its head and an electrical connector fixedly installed at its tail. A conductive rod is installed inside the insulating sleeve, and a male connector is installed at the head of the conductive rod. The male connector is electrically connected to the electrical connector. The functional head includes a hook head, a blade head, a needle head, a shovel head, and a rod head. The tail of the functional head is provided with a female power connector, and the male power connector can be electrically connected to the female power connector.

2. The laparoscopic instrument according to claim 1, characterized in that, The handle has a mounting cavity, in which a circuit board is fixedly mounted. An electrocoagulation control switch is provided on the side of the handle. The electrical connector, the male connector, and the electrocoagulation control switch are all electrically connected to the circuit board.

3. The laparoscopic instrument according to claim 2, characterized in that, The conductive rod has a conductive cavity that communicates with the mounting cavity. The male connector is fixedly installed in the conductive cavity. The conductive cavity has a conductive line. The male connector is electrically connected to the circuit board through the conductive line.

4. The laparoscopic instrument according to claim 2, characterized in that, The head of the insulating sleeve is equipped with a light, which is electrically connected to the circuit board.

5. The laparoscopic instrument according to claim 4, characterized in that, A lighting control switch is provided on the side of the handle. The lighting control switch is used to control the opening and closing of the lighting lamp. The lighting control switch is electrically connected to the circuit board.

6. The laparoscopic instrument according to claim 5, characterized in that, The insulating sleeve has a sandwich layer that communicates with the mounting cavity. The sandwich layer contains a lighting circuit, and the lighting lamp is electrically connected to the circuit board through the lighting circuit.

7. The laparoscopic instrument according to claim 6, characterized in that, Two lights are provided, and the two lights are symmetrically distributed on both sides of the functional head.

8. The laparoscopic instrument according to claim 1, characterized in that, The handle is made of rubber and the outer surface of the handle is provided with a corrugated anti-slip texture along the circumferential direction.