Telescopic electric suction hook
The retractable electric suction hook design solves the problems of handle instability and the influence of oil fumes, enabling handle position adjustment and oil fume extraction, thus improving the stability of surgical operations and the clarity of the field of vision.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JINHUA MUNICIPAL CENT HOSPITAL
- Filing Date
- 2025-01-17
- Publication Date
- 2026-05-08
AI Technical Summary
The existing electric hook has a fixed handle, which makes the operation unstable and cannot effectively remove the oil fumes generated during surgery, affecting the surgical field of vision.
A retractable electric suction hook was designed. The handle structure is adjusted in position through a limiting slot and a limiting component. A smoke extraction channel is set in the device body and connected to an external hose to achieve the extraction of oil fumes.
It improves the stability of the handle operation, reduces the difficulty of surgery, ensures a clear view of the endoscope, and enhances the safety of surgical procedures.
Smart Images

Figure CN224206884U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of surgical instrument technology, specifically a retractable electric suction hook. Background Technology
[0002] An electric hook is a surgical instrument commonly used by surgeons during operations. It is a surgical tool that uses the heat energy generated by a high-frequency current to cut tissue. The main functions of an electric hook are to cut, remove, stop bleeding, and coagulate tissue during surgery. Electrodes are provided at the end of the electric hook to facilitate operation.
[0003] A search revealed a retractable L-shaped electric hook electrode in publication number CN219763523U. This utility model relates to the field of medical device technology and discloses a retractable L-shaped electric hook electrode. It includes a handle, with a sleeve fixedly connected to one end of the handle. An L-shaped electrode is slidably mounted on the inner wall of the sleeve at the end opposite to the handle. A wire is located on the right side of the handle, extending through the handle and into the interior of the sleeve to electrically connect with the L-shaped electrode. A spiral sleeve is fixedly fitted onto the wire inside the sleeve, and a first piston is fixedly connected at the connection point between the wire and the L-shaped electrode.
[0004] The piston rod of the aforementioned electric hook's miniature electric push rod pushes the connecting rod through the connecting block to move the stacked piston. This allows the oil inside the storage tank to pass through the gap between the connecting ring and the oil delivery pipe, the vertical fixing plate, and the first piston, ensuring the pushing effect on the first piston. This allows the L-shaped electrode to move inside the sleeve, ensuring the extension and retraction effect of the L-shaped motor. However, some problems still exist in actual operation:
[0005] 1. The handle of the above-mentioned electric hook is a fixed structure. During operation, the distance between the handle and the patient is relatively long, which will reduce the stability of operating the electric hook and increase the difficulty of the surgical operation.
[0006] 2. The electric hooks mentioned above do not have a smoke extraction function. When performing electric hook surgery, an endoscope is usually used in conjunction with the procedure. However, when the electric hook cuts human tissue, it produces fumes. The fumes accumulate in the abdominal cavity and affect the observation of the endoscope, thus affecting the normal operation of the surgery.
[0007] Therefore, a retractable electric suction hook is proposed to address the above problems. Utility Model Content
[0008] (a) Technical problems to be solved
[0009] To address the shortcomings of existing technologies, this invention provides a retractable electric suction hook, which solves the problems of existing technologies not being able to adjust the handle position and not being able to suction out smoke generated during surgery.
[0010] (II) Technical Solution
[0011] To achieve the above objectives, this utility model provides the following technical solution: a retractable electric suction hook, comprising:
[0012] The device body has a cavity on the left side inside, and an L-shaped electrode hook is installed in the cavity. A power cord is fixedly connected to the right side of the device body.
[0013] A handle structure is located on the outside right side of the device body, and the handle structure is used to hold the device body.
[0014] The device body includes a fixed rod, and a limiting ring is fixedly connected to the right side of the outer side wall of the fixed rod and two rows of transverse limiting slots are provided. The two rows of limiting slots are symmetrically distributed along the circumference of the fixed rod, and the right side of the limiting ring is flush with the right side of the fixed rod.
[0015] The handle structure includes an outer cylinder and an inner cylinder. The inner cylinder is slidably connected to a fixed rod, and the left and right sides of both the outer and inner cylinders are fixedly connected to annular sealing plates. The outer surface of the outer cylinder has a movable slot and several anti-slip grooves. The movable slot is located in the middle of the upper part of the outer surface of the outer cylinder, and a pressing component is slidably connected inside the movable slot. A limiting component is fixedly connected to the middle of the upper part of the inner surface of the outer cylinder. The limiting component and the pressing component fit together. A notch is opened on the upper side of the middle part of the outer surface of the inner cylinder. The limiting component is located inside the notch and engages with two rows of limiting slots.
[0016] Preferably, the plurality of anti-slip grooves are evenly distributed and do not contact the movable slot holes. The plurality of anti-slip grooves are used to improve the anti-slip properties and comfort of the outer cylinder grip.
[0017] Preferably, the pressing assembly includes a top plate, which is slidably connected to the movable slot. A pressure plate is fixedly connected to the top of the top plate, and the pressure plate is located outside the outer cylinder. Limiting strips are fixedly connected to the middle of the front side wall and the middle of the rear side wall of the top plate, and both limiting strips are located inside the outer cylinder.
[0018] Preferably, the limiting component includes an arc-shaped spring plate and two fixing rings. Both fixing rings are fixedly connected to the middle of the upper side of the inner surface of the outer cylinder, and the movable slot is located between the two fixing rings. The arc-shaped spring plate is slidably connected to the two fixing rings, and the top of the arc-shaped spring plate is in contact with the bottom of the top plate.
[0019] Preferably, the inner surface of the arc-shaped spring plate is fixedly connected to the front and rear sides of the bottom, and the two fixed strips are located inside the notch and are limited by the notch. A row of locking blocks is fixedly connected to the opposite side of the two fixed strips, and the two rows of locking blocks are respectively locked to the two rows of limiting components.
[0020] Preferably, a horizontally penetrating smoking channel is provided on the upper side of the inside of the fixed rod, and an external flexible tube is fixedly connected to the right side of the inside of the smoking channel, and a connector is fixedly connected to the right side of the external flexible tube. The connector is used to connect the suction device.
[0021] (III) Beneficial Effects
[0022] Compared with the prior art, this utility model provides a retractable electric suction hook with the following features:
[0023] Beneficial effects:
[0024] 1. This utility model features two rows of limiting slots on the outer side of the device body away from the L-shaped electrode hook, and a sliding connection between the handle structure and the device body. The handle structure includes a limiting component that engages with the limiting slots on the outer side of the device body to fix the handle structure. During use, pressing the limiting component separates it from the limiting slots, allowing for easy adjustment of the handle structure's position. Releasing the pressing component automatically resets the limiting component, allowing it to engage with the limiting slots again to fix the handle structure. This adjustable handle structure enhances the device's stability during operation and reduces the difficulty of surgical procedures.
[0025] 2. This utility model has a smoke extraction channel in the main body of the device, and an external hose and connector are connected to the side of the smoke extraction channel away from the L-shaped electrode hook. When the device is in use, the connector can be connected to an external suction device, so that the oil fumes generated when the L-shaped electrode hook cuts human tissue can be extracted from the abdominal cavity during the operation, ensuring that the endoscope has a clear enough field of vision.
[0026] 3. This utility model has several equally spaced anti-slip grooves on the outside of the handle structure. When the device is in use, the anti-slip grooves can improve the comfort and stability of holding the handle structure, making the device easier to use. Attached Figure Description
[0027] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:
[0028] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;
[0029] Figure 2 This is a three-dimensional cross-sectional view of the main body of the device of this utility model;
[0030] Figure 3 This is a utility model Figure 2 An enlarged view of Figure A in the middle;
[0031] Figure 4 This is a three-dimensional structural disassembly diagram of the handle structure of this utility model;
[0032] Figure 5 This is a three-dimensional structural diagram of the outer and inner cylinders of this utility model;
[0033] Figure 6 This is a three-dimensional structural diagram of the pressing component of this utility model;
[0034] Figure 7 This is a three-dimensional structural diagram of the limiting component of this utility model.
[0035] In the diagram: 1. Device body; 2. Handle structure; 3. L-shaped electrode hook; 4. Power cord; 11. Fixing rod; 12. Smoke passage; 13. External flexible hose; 14. Connector; 15. Limiting ring; 16. Limiting slot; 21. Outer cylinder; 22. Inner cylinder; 23. Sealing plate; 24. Movable slot; 25. Pressing assembly; 26. Limiting assembly; 27. Anti-slip groove; 28. Notch; 251. Top plate; 252. Pressure plate; 253. Limiting strip; 261. Fixing ring; 262. Arc-shaped spring plate; 263. Fixing strip; 264. Locking block. Detailed Implementation
[0036] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.
[0037] Specific implementation examples are given below.
[0038] Please see Figures 1-7 This utility model provides a technical solution: a retractable electric suction hook, including: a device body 1, a cavity is opened on the left side inside the device body 1, and an L-shaped electrode hook 3 is installed in the device body 1 through the cavity, and a power cord 4 is fixedly connected to the right side of the device body 1.
[0039] Handle structure 2 is located on the outside right side of the device body 1 and is used to hold the device body 1; a smoking channel 12 is opened on the upper side of the inside of the fixed rod 11, which runs horizontally through the fixed rod 11. An external hose 13 is fixedly connected to the right side of the inside of the smoking channel 12, and a connector 14 is fixedly connected to the right side of the external hose 13. The connector 14 is used to connect the suction device.
[0040] Furthermore, such as Figures 1-7 As shown, the device body 1 includes a fixed rod 11. A limiting ring 15 is fixedly connected to the right side of the outer wall of the fixed rod 11, and two rows of transverse limiting slots 16 are provided. The two rows of limiting slots 16 are symmetrically distributed around the fixed rod 11. The right side of the limiting ring 15 is flush with the right side of the fixed rod 11. The handle structure 2 includes an outer cylinder 21 and an inner cylinder 22. The inner cylinder 22 is slidably connected to the fixed rod 11. An annular sealing plate 23 is fixedly connected to the left and right sides of both the outer cylinder 21 and the inner cylinder 22. The outer surface of the cylinder 21 is provided with a movable slot 24 and several anti-slip grooves 27. The movable slot 24 is located in the middle of the upper part of the outer surface of the outer cylinder 21, and a pressing component 25 is slidably connected inside the movable slot 24. A limiting component 26 is fixedly connected to the middle of the upper part of the inner surface of the outer cylinder 21. The limiting component 26 and the pressing component 25 are in contact with each other. A notch 28 is provided on the upper side of the middle part of the outer surface of the inner cylinder 22. The limiting component 26 is located inside the notch 28 and is engaged with the two rows of limiting slots 16.
[0041] With the above solution: when the device is adjusted to a "short handle" structure by sliding the handle structure 2, it can be used for traditional open surgery; when the device is adjusted to a "long handle", it can be used for "laparoscopic surgery" in minimally invasive surgery; while in general surgery, if "laparoscopic surgery" is performed in minimally invasive surgery, a special laparoscopic surgical electric hook is required; if the surgery is not successful and is changed to open surgery, the instrument needs to be replaced with an electric hook specifically for open surgery; however, this instrument can switch functions by adjusting its length, without the need to change instruments during operation.
[0042] Furthermore, such as Figures 1-7 As shown, several anti-slip grooves 27 are evenly distributed and do not contact the movable slot 24. These anti-slip grooves 27 are used to improve the gripping anti-slip properties and comfort of the outer cylinder 21. The pressing component 25 includes a top plate 251, which is slidably connected to the movable slot 24. A pressure plate 252 is fixedly connected to the top of the top plate 251, and the pressure plate 252 is located outside the outer cylinder 21. Limiting strips 253 are fixedly connected to the middle of the front and rear side walls of the top plate 251, and both limiting strips 253 are located inside the outer cylinder 21. The limiting component 26 includes an arc-shaped spring plate 262 and two fixing rings 261. Both fixed rings 261 are fixedly connected to the middle of the upper side of the inner surface of the outer cylinder 21, and the movable slot 24 is located between the two fixed rings 261. The arc-shaped spring plate 262 is slidably connected to the two fixed rings 261, and the top of the arc-shaped spring plate 262 is attached to the bottom of the top plate 251. Fixed strips 263 are fixedly connected to the front and rear sides of the bottom of the inner surface of the arc-shaped spring plate 262. Both fixed strips 263 are located inside the notch 28 and are limited by the notch 28. A row of locking blocks 264 is fixedly connected to the opposite side of the two fixed strips 263, and the two rows of locking blocks 264 are respectively locked to the two rows of limiting components 26.
[0043] The above solution involves an arc-shaped spring plate 262 in the limiting component 26. When the limiting component 26 is in use, the arc-shaped spring plate 262 can automatically clamp the component. After the arc-shaped spring plate 262 is pressed and deformed and adjusted, releasing the arc-shaped spring plate 262 will automatically reset the component and re-limit and fix the handle structure 2, making the operation very simple.
[0044] Working principle: First, connect the power supply and connect the external suction device to the connector 14 in the main body 1 of the device. Then, adjust the position of the handle structure 2 according to the needs of the surgical operation and personal habits. When adjusting the handle structure 2, press the pressing component 25. The arc-shaped spring plate 262 in the limiting component 26 will deform under the pressure of the pressing component 25, causing it to separate from the limiting slot 16 on the outside of the main body 1 of the device. This allows the position of the handle structure 2 to be adjusted. After the handle structure 2 has been adjusted, release the pressing component 25. The limiting component 26 will automatically reset and re-engage with the limiting slot 16, thus re-limiting and fixing the handle structure 2. Then, hold the handle structure 2 to perform the surgical operation. The smoke generated during the operation can be sucked out by the external suction device through the smoking channel 12, ensuring that the endoscopic field of view is clear enough.
[0045] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.
Claims
1. A retractable electric suction hook, characterized in that, include: The device body (1) has a cavity on the left side inside, and an L-shaped electrode hook (3) is installed in the cavity. A power cord (4) is fixedly connected to the right side of the device body (1). A handle structure (2) is located on the outside right side of the device body (1) and is used to hold the device body (1). The device body (1) includes a fixed rod (11). A limiting ring (15) is fixedly connected to the right side of the outer wall of the fixed rod (11) and two rows of transverse limiting slots (16) are provided. The two rows of limiting slots (16) are symmetrically distributed around the fixed rod (11). The right side of the limiting ring (15) is flush with the right side of the fixed rod (11). The handle structure (2) includes an outer cylinder (21) and an inner cylinder (22). The inner cylinder (22) is slidably connected to the fixed rod (11). The left and right sides of the outer cylinder (21) and the inner cylinder (22) are both fixedly connected to an annular sealing plate (23). The outer surface of the outer cylinder (21) is provided with a movable slot (24) and several anti-slip grooves (27). The movable slot (24) is located in the middle of the upper part of the outer surface of the outer cylinder (21). A pressing component (25) is slidably connected inside the movable slot (24). A limiting component (26) is fixedly connected in the middle of the upper part of the inner surface of the outer cylinder (21). The limiting component (26) and the pressing component (25) are in contact with each other. A notch (28) is provided on the upper side of the middle part of the outer surface of the inner cylinder (22). The limiting component (26) is located inside the notch (28) and is engaged with two rows of limiting slots (16).
2. The retractable electric suction hook according to claim 1, characterized in that: Several anti-slip grooves (27) are evenly distributed and do not contact the movable slot (24). The several anti-slip grooves (27) are used to improve the anti-slip properties and comfort of gripping the outer cylinder (21).
3. The retractable electric suction hook according to claim 1, characterized in that: The pressing assembly (25) includes a top plate (251) and is slidably connected to the movable slot (24). A pressure plate (252) is fixedly connected to the top of the top plate (251) and the pressure plate (252) is located outside the outer cylinder (21). Limiting strips (253) are fixedly connected to the middle of the front side wall and the middle of the rear side wall of the top plate (251) and both limiting strips (253) are located inside the outer cylinder (21).
4. The retractable electric suction hook according to claim 3, characterized in that: The limiting component (26) includes an arc-shaped spring plate (262) and two fixing rings (261). The two fixing rings (261) are fixedly connected to the middle of the upper side of the inner surface of the outer cylinder (21), and the movable slot (24) is located between the two fixing rings (261). The arc-shaped spring plate (262) is slidably connected to the two fixing rings (261), and the top of the arc-shaped spring plate (262) is in contact with the bottom of the top plate (251).
5. A retractable electric suction hook according to claim 4, characterized in that: The inner surface of the arc-shaped spring plate (262) is fixedly connected to the front and rear sides of the bottom. The two fixed strips (263) are located inside the notch (28) and are limited by the notch (28). A row of locking blocks (264) is fixedly connected to the opposite side of the two fixed strips (263), and the two rows of locking blocks (264) are respectively locked to the two rows of limiting components (26).
6. The retractable electric suction hook according to claim 1, characterized in that: The upper side of the fixed rod (11) is provided with a smoking channel (12) that runs horizontally through the fixed rod (11). An external hose (13) is fixedly connected to the right side of the smoking channel (12), and a connector (14) is fixedly connected to the right side of the external hose (13). The connector (14) is used to connect the suction device.
Citation Information
Patent Citations
Telescopic L-shaped electric hook electrode
CN219763523U