Double-opening-and-closing double-joint multi-angle thoracic surgery instrument

By designing a double-opening, double-jointed, multi-angle thoracic surgical instrument, the problem of inflexible operation of existing instruments under laparoscopy has been solved. It enables flexible, multi-angle operation under laparoscopy and small incision surgery, is applicable to a variety of surgical tools, and improves the flexibility and applicability of surgery.

CN224099422UActive Publication Date: 2026-04-10SHANGHAI PUBLIC HEALTH CLINICAL CENT
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI PUBLIC HEALTH CLINICAL CENT
Filing Date
2025-03-27
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing dual-joint surgical instruments are not flexible enough for laparoscopic operation and cannot meet the needs of open surgery, especially when dealing with adhesions, which requires switching to small incision surgery. The instrument design is not flexible enough and cannot meet the operational requirements of both laparoscopic and open surgery.

Method used

A double-opening, double-jointed, multi-angle thoracic surgical instrument was designed. It adopts a linkage mechanism composed of a moving head, a clamp head, a puller, and a moving rod to achieve a double-jointed design. The clamp head can be adjusted to multiple angles, making it suitable for laparoscopic and small-incision surgeries. The clamp head can be opened and closed in two ways to meet different surgical needs.

Benefits of technology

It enables flexible operation under laparoscopic and small-incision surgery, is applicable to a variety of surgical tools, meets the needs of tissue treatment at different angles and directions, and improves the flexibility and applicability of surgery.

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Abstract

The utility model belongs to the technical field of surgical instruments, and particularly discloses a double-opening double-joint multi-angle thoracic surgical instrument which comprises a first movable head and a second movable head, the first movable head and the second movable head are hinged to the end of a fixed rod through a first pin, one end of the first movable head is fixedly connected with a first forceps head, and one end of the second movable head is fixedly connected with a second forceps head. The other end of the first movable head is hinged to one end of a first pull piece, the other end of the first pull piece is hinged to a first head of a movable rod, the other end of the second movable head is hinged to one end of a second pull piece, the other end of the second pull piece is hinged to a second head of the movable rod, and sliding grooves are formed in the first head and the second head of the movable rod. A guide rail pin is fixedly arranged at one end, close to the pin I, of the fixed rod; two ends of the guide rail pin are slidably connected in the chutes of the head I and the head II of the movable rod respectively. Due to the double-joint design, the device is suitable for surgical operation under an endoscope and a small incision; and the double-opening-closing design is adopted, so that the surgical operation under an endoscope can be met, and the surgical operation under an open surgery can be completed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to surgical instruments technical field, especially a double open and close double joint multi-angle thoracic surgery instrument. BACKGROUND

[0002] Thoracic surgery minimally invasive surgery has been widely recognized, under the endoscope lung segment, lobectomy, has been widely carried out, among them, double joint non-injury hemostatic forceps plays an extremely important role. It can make both hands with the help of thoracoscope complete the basic operation under open surgery outside the thoracic incision, such as free blood vessels, handle lung split and bronchus etc., and has its advantages to the mild adhesion of lung and thoracic cavity. However, these double joint surgical instruments are still not as flexible as open single joint hemostatic forceps or free forceps, especially in the adhesion of lung surgery. Its advantages become disadvantages, such as too long, cannot hold pen type operation, angle is not enough, etc. Moreover, once the adhesion surgery is encountered, the thoracoscope surgery will be converted into endoscope assisted small incision surgery, such small incision open chest surgery requires both endoscopic operation and open operation, and currently such instruments are not common. SUMMARY

[0003] The utility model discloses a double open and close double joint multi-angle thoracic surgery instrument, which solves the technical problems in the background art.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A double open and close double joint multi-angle thoracic surgery instrument, comprising a moving head one and a moving head two, the moving head one and the moving head two are hingedly arranged at the end of a fixed rod through a pin one, one end of the moving head one is fixedly connected with a forceps head one, one end of the moving head two is fixedly connected with a forceps head two, the other end of the moving head one is hingedly connected with one end of a pull tab one, the other end of the pull tab one is hingedly connected with a head part one of a moving rod, the other end of the moving head two is hingedly connected with one end of a pull tab two, the other end of the pull tab two is hingedly connected with a head part two of the moving rod, the head part one and the head part two of the moving rod are both provided with a sliding groove, a guide rail pin is fixedly arranged at the end of the fixed rod close to the pin one, and the two ends of the guide rail pin are slidably connected in the sliding grooves of the head part one and the head part two of the moving rod.

[0006] The following is a further defined technical scheme of the utility model, one end of the moving rod away from the pull tab one is fixedly connected with a handle one, and the other end of the fixed rod away from the pin one is fixedly connected with a handle two.

[0007] The following is a further defined technical scheme of the utility model, the head part one and the head part two of the moving rod are symmetrically arranged and have a gap therebetween and are riveted with a pin two.

[0008] The head part one of the movable rod is hingedly connected with the pulling piece one through the pin two.

[0009] The head part two of the movable rod is hingedly connected with the pulling piece two through the pin two.

[0010] The head part one of the movable rod is hingedly connected with the pulling piece one through the pin two.

[0011] The head part one of the movable rod is hingedly connected with the pulling piece one through the pin two.

[0012] Compared with the prior art, the utility model has the following technical effects:

[0013] 1, the connecting rod mechanism that dynamic head one, dynamic head two, pulling piece one and pulling piece two constitute as joint one, the mechanism that movable rod, fixed rod, handle one and handle two constitute as joint two, formed the double joint design of surgical instrument, is suitable for under the surgical operation operation of endoscope and small incision;

[0014] 2, the pincer head one and pincer head two of surgical instrument head realize double opening and closing design under the action of connecting rod mechanism, can satisfy the surgical operation under endoscope, also can complete the surgical operation under open operation;

[0015] 3, the pincer angle of pincer head one and pincer head two is set to multi-angle, contains atraumatic hemostatic forceps, atraumatic snake head forceps, sponge forceps and lymph node forceps, free forceps etc., is suitable for the processing of the tissue free and adhesion of different directions, different angles.

[0016] The utility model is further explained below in combination with the drawings and examples. DRAWINGS

[0017] In order to more clearly explain the technical scheme in the embodiment of the utility model or prior art, the drawings needed to be used in the embodiment or prior art will be simply introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without paying creative labor.

[0018] Figure 1 It is the front view structural schematic diagram of the utility model;

[0019] Figure 2 It is the side view structural schematic diagram of the utility model;

[0020] Figure 3 It isFigure 1 Partial structural schematic diagram of the application.

[0021] Reference numerals: 1, moving head one; 2, pin one; 3, fixed rod; 4, head one; 5, head two; 6, moving rod; 601, head two; 7, pull tab two; 8, guide rail pin; 9, handle one; 10, handle two; 11, pin two. DETAILED DESCRIPTION

[0022] In order to make the above objectives, characteristics and advantages of the present application more apparent, concrete embodiments of the present application will be described in detail below with reference to the drawings. In the following description, a large number of specific details are set forth in order to provide a comprehensive understanding of the present application. However, the present application can be implemented in many other different ways than those described herein, and those skilled in the art can make similar improvements without departing from the spirit of the present application, and therefore the present application is not limited by the specific embodiments disclosed below.

[0023] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0024] In the description of the present application, it should be understood that the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0025] In the embodiments of the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0026] As Figures 1-3As shown, the embodiment provides a double-opening double-joint multi-angle thoracic surgery instrument, mainly composed of moving head one 1, moving head two, clamp head one 4, clamp head two 5, pull tab one, pull tab two 7, moving rod 6, fixed rod 3, handle one 9 and handle two 10, etc. The overall product length is about 300mm, which can be used under the thoracoscope or in open (small incision thoracotomy).

[0027] The moving head one 1 and the moving head two are hingedly arranged at the end of the fixed rod 3 through the pin one 2. As shown Figure 1 , the left end of the moving head one 1 is fixedly connected with the clamp head one 4, and the left end of the moving head two is fixedly connected with the clamp head two 5. Therefore, when it is necessary to replace the clamp head one 4 and the clamp head two 5, the pin one 2 is directly removed to replace the moving head one 1 and the moving head two. The clamp head one 4 and the clamp head two 5 are symmetrically arranged, and the jaw angle of the clamp head one 4 is set to 0°, 15°, 30°, 45°, 60°, 75° or 90°. Therefore, different angle clamp heads can be replaced, including but not limited to atraumatic hemostatic forceps, atraumatic snake head forceps, sponge forceps and lymph node forceps, free forceps, etc., which are suitable for processing of tissue free and adhesion in different directions and at different angles.

[0028] As shown Figure 1 , the right end of the moving head one 1 is hingedly connected with the left end of the pull tab one, and the right end of the pull tab one is hingedly connected with the head one of the moving rod 6 through the pin two 11. The right end of the moving head two is hingedly connected with the left end of the pull tab two 7, and the right end of the pull tab two 7 is hingedly connected with the head two 601 of the moving rod 6 through the pin two 11.

[0029] The head one and the head two 601 of the moving rod 6 are both provided with a sliding groove, and the end of the fixed rod 3 close to the pin one 2 (i.e. the left end of the fixed rod 3 is right-biased) is fixedly provided with a guide rail pin 8, and the two ends of the guide rail pin 8 are respectively slidably connected in the sliding grooves of the head one and the head two 601 of the moving rod 6.

[0030] The head one and the head two 601 of the moving rod 6 are symmetrically arranged and have a gap therebetween and are riveted with the pin two 11. In Figure 1 , the head two 601 of the moving rod 6 is in front, and the head one of the moving rod 6 is in back, and the end of the fixed rod 3 close to the guide rail pin 8 (i.e. the left end of the fixed rod 3 is right-biased) is in the gap between the head one and the head two 601 of the moving rod 6.

[0031] As shown Figure 1 and 2 , the right end of the moving rod 6 is fixedly connected with the handle one 9, and the right end of the fixed rod 3 is fixedly connected with the handle two 10.

[0032] In summary, the moving head one 1, the moving head two, the pull tab one, the pull tab two 7 and the moving rod 6 form a linkage mechanism, the sliding groove on the moving rod 6 is guided by the guide rail pin 8 and can move forward and backward, when the handle one 9 and the handle two 10 are separated or close, the linkage mechanism operates when the moving rod 6 is pushed to slide forward and backward under the guidance of the guide rail pin 8, the moving head one 1 and the moving head two at the end perform the opening or closing movement.

[0033] The linkage mechanism composed of the moving head one 1, the moving head two, the pull tab one and the pull tab two 7 is joint one, the mechanism composed of the moving rod 6, the fixed rod 3, the handle one 9 and the handle two 10 is joint two, forming a double joint design of the surgical instrument, which is suitable for surgical operation under the endoscope and small incision. The forceps head one 4 and the forceps head two 5 of the head of the surgical instrument realize the double opening and closing design under the action of the linkage mechanism, which can meet the surgical operation under the endoscope and complete the surgical operation under the open operation.

[0034] The above is only the preferred embodiment of the present application, and does not limit the present application in any form. Any person skilled in the art can make many possible changes and modifications to the technical scheme of the present application, or modify it into equivalent embodiments with equivalent changes, without departing from the scope of the technical scheme of the present application, by using the disclosed methods and technical contents. Therefore, any equivalent changes made according to the shape, structure and principle of the present application, which do not depart from the content of the technical scheme of the present application, should be covered within the protection scope of the present application.

Claims

1. A double opening and closing double joint multi-angle thoracic surgery instrument, characterized in that, The utility model provides a kind of symmetrical double handle clamp, including moving head one (1) and moving head two, and moving head one (1) and moving head two are hinged between by pin one (2) and are arranged at the end of fixed rod (3), one end of moving head one (1) is fixedly connected with jaw one (4), one end of moving head two is fixedly connected with jaw two (5), the other end of moving head one (1) is hinged with one end of pull tab one, the other end of pull tab one is hinged with head one of moving rod (6), the other end of moving head two is hinged with one end of pull tab two (7), the other end of pull tab two (7) is hinged with head two (601) of moving rod (6), and the position of head one and head two (601) of moving rod (6) is all provided with sliding slot, and the end of fixed rod (3) close to pin one (2) is fixedly provided with guide rail pin (8), and the both ends of guide rail pin (8) are slidably connected in the sliding slot of head one and head two (601) of moving rod (6).

2. The double-opening double-joint multi-angle thoracic surgery instrument of claim 1, wherein, The end of moving rod (6) away from pull tab one is fixedly connected with handle one (9), and the end of fixed rod (3) away from pin one (2) is fixedly connected with handle two (10).

3. The double opening and closing double-joint multi-angle thoracic surgery instrument of claim 1, wherein Head one and head two (601) of moving rod (6) are symmetrically arranged, and there is gap between them and riveted with pin two (11).

4. The double opening and closing double-joint multi-angle thoracic surgery instrument of claim 3, wherein, Head one of moving rod (6) is hinged with pull tab one by pin two (11).

5. The double opening and closing double-joint multi-angle thoracic surgery instrument of claim 3, wherein Head two (601) of moving rod (6) is hinged with pull tab two (7) by pin two (11).

6. The double opening and closing double-joint multi-angle thoracic surgery instrument of claim 3, wherein, The end of fixed rod (3) close to guide rail pin (8) is in the gap between head one and head two (601) of moving rod (6).

7. The double opening and closing double-joint multi-angle thoracic surgery instrument of claim 1, wherein, Jaw one (4) and jaw two (5) are symmetrically arranged, and the jaw angle of jaw one (4) is set as 0°, 15°, 30°, 45°, 60°, 75° or 90°.