Drag hook device with rotating function

Abstract

The utility model belongs to the technical field of medical instrument accessories, and particularly relates to a drag hook device with a rotating function. In order to solve the problem that in the prior art, an operation drag hook is inconvenient to use, the utility model provides a drag hook device with a rotating function, the drag hook device comprises a hook and a lifting assembly, and a rotating locking assembly capable of being switched between a rotating state and a locking state is further arranged between the hook and the lifting assembly. The hook and the lifting assembly are both connected with the rotary locking assembly, and when the rotary locking assembly is in a rotating state, the lifting assembly can rotate relative to the hook through the rotary locking assembly. The hook and the lifting assembly are connected through the rotary locking assembly which can be switched between the rotary state and the locking state, the rotary locking assembly can be switched to the rotary state according to needs so that the hook and the lifting assembly can rotate relatively, and surgical operation is facilitated.

Description

Technical Field

[0001] This utility model belongs to the field of medical device accessories technology, and in particular relates to a pull hook device with a rotating function. Background Technology

[0002] Retractor instruments are commonly used surgical instruments, widely applied in surgical procedures to retract tissues and skin. Retractor devices are crucial tools for suspending and securing these instruments, helping surgeons to efficiently and accurately complete each step of the surgery. Most existing retractor devices are one-piece structures, preventing relative rotation between the upper and lower ends during use. This limits the flexibility to change direction as needed during surgery, hindering the use by medical personnel.

[0003] For example, a Chinese invention patent application discloses a thyroid retractor [Application No.: CN201711499578.6]. This invention application includes a plate-shaped retractor plate with one end forming a hook shape. A cylindrical handle is installed at the end of the retractor plate. An arc-shaped plate-shaped clamping plate is provided on the inner side of the hook-shaped plate surface, which fits against it. A rectangular plate-shaped support plate is vertically provided on the concave surface of the retractor plate. The support plate and the clamping plate are connected by a spiral cylindrical pre-tensioning spring. A pull rod clearance hole is opened on the support plate. A cylindrical pull rod passes through the pre-tensioning spring and the pull rod clearance hole. One end of the pull rod is vertically connected to the clamping plate, and the other end of the pull rod is provided with a circular pull ring.

[0004] Although this invention application has the advantages of effectively preventing the hook plate from slipping, having good stability, and improving the safety of surgery, it is still a one-piece structure. The upper and lower ends cannot rotate relative to each other during the operation, and there is still a problem that the direction cannot be flexibly changed as needed during the operation. Utility Model Content

[0005] The purpose of this invention is to address the above-mentioned problems by providing a pull hook device with a rotating function that is convenient for medical personnel to use.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A hook device with a rotating function includes a hook and a lifting assembly. A rotating locking assembly is provided between the hook and the lifting assembly, which can switch between a rotating state and a locked state. The hook and the lifting assembly are both connected to the rotating locking assembly. When the rotating locking assembly is in the rotating state, the lifting assembly can rotate relative to the hook through the rotating locking assembly.

[0008] In the aforementioned hook device with a rotating function, the rotating locking assembly includes an outer shell with an internal mounting cavity, one end of the hook is connected to the outer shell, a connecting member that can rotate relative to the outer shell is provided in the mounting cavity, one end of the lifting assembly is connected to the connecting member, and a locking assembly that can lock the connecting member is also provided in the mounting cavity, one end of the locking assembly extends through the outer shell to the outside of the mounting cavity.

[0009] In the aforementioned hook device with a rotating function, a button cap is fixedly connected to one end of the locking component located outside the mounting cavity, and the cross-sectional area of ​​the button cap is larger than the cross-sectional area of ​​the end of the locking component.

[0010] In the aforementioned hook device with a rotating function, the locking assembly includes a locking rod located above the connector. One end of the locking rod passes through the outer shell and is slidably connected to the outer shell. A locking block is fixedly connected to one end of the locking rod. Sliding the locking rod allows the locking block and the connector to cooperate with or separate from each other.

[0011] In the above-mentioned hook device with rotation function, the edge of the connector is provided with protruding teeth, and there is a gap between two adjacent protruding teeth. The locking block is provided with a locking protrusion protruding from the surface of the locking block on the side near the connector. The sliding locking rod can make the locking protrusion embed into the gap.

[0012] In the aforementioned hook device with a rotating function, the edge of the connector is circular, and the protruding teeth are provided in a plurality of circumferentially and evenly connected on the edge of the connector.

[0013] In the aforementioned hook device with a rotating function, the locking assembly further includes a return spring sleeved on the locking rod, a return baffle fixedly connected to the outer shell and located in the mounting cavity, the locking rod passing through the return baffle and one end of the return spring pressing against the surface of the return baffle.

[0014] In the aforementioned hook device with a rotating function, the rotating locking assembly further includes a cover plate located above the outer casing, the cover plate enclosing the mounting cavity.

[0015] In the aforementioned pull hook device with a rotating function, the lifting assembly includes a telescopic member and a connecting rod connected to one end of the telescopic member. One end of the connecting rod is connected to a rotating locking assembly, and a locking pin is provided at the end of the telescopic member away from the connecting rod.

[0016] In the aforementioned hook device with a rotating function, the telescopic component includes a pressure plate and a rack plate that can slide relative to each other, a rocker handle is rotatably connected to the pressure plate and one side of the rocker handle meshes with the rack on the rack plate, the connecting rod is fixedly connected to the pressure plate, and the locking pin is fixedly connected to the rack plate.

[0017] Compared with existing technologies, the advantages of this utility model are:

[0018] 1. The hook and lifting component of this utility model are connected by a rotating locking component that can switch between a rotating state and a locked state. The hook and lifting component can be switched to the rotating state as needed to facilitate surgical operation.

[0019] 2. This utility model has a simple structure, is easy to operate, and is suitable for large-scale promotion and use. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of this utility model;

[0021] Figure 2 This is a structural schematic diagram of a portion of the present utility model;

[0022] Figure 3 This is an exploded view of a portion of the structure of this utility model;

[0023] Figure 4 This is a cross-sectional view of the rotary locking component;

[0024] Figure 5 This is a structural diagram of the lifting assembly;

[0025] In the diagram: Hook 1, Lifting assembly 2, Rotary locking assembly 3, Telescopic component 21, Connecting rod 22, Locking pin 23, Pressure plate 24, Rack plate 25, Handle 26, Mounting cavity 31, Outer shell 32, Connecting component 33, Locking assembly 34, Button cap 35, Protruding tooth 36, Gap 37, Cover plate 38, Locking rod 341, Locking block 342, Locking protrusion 343, Return spring 344, Return baffle 345. Detailed Implementation

[0026] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0027] like Figure 1 As shown, a hook device with a rotating function includes a hook 1 and a lifting assembly 2. A rotation locking assembly 3 is provided between the hook 1 and the lifting assembly 2, which can switch between a rotating state and a locked state. In the rotating state, the hook 1 and the lifting assembly 2 can rotate relative to each other. In the locked state, the hook 1 and the lifting assembly 2 are locked together and cannot move relative to each other. Both the hook 1 and the lifting assembly 2 are connected to the rotation locking assembly 3. When the rotation locking assembly 3 is in the rotating state, the lifting assembly 2 can rotate relative to the hook 1 through the rotation locking assembly 3.

[0028] In this invention, hook 1 is suspended from the bedside fixation device during use. A tissue-pulling hook-like instrument is connected to one end of the lifting component 2. When a change in direction is required during surgery, the rotation locking component 3 is switched to a rotating state, allowing relative rotation between hook 1 and lifting component 2. Medical personnel can then adjust the instrument to a suitable surgical angle. Therefore, hook 1 and lifting component 2 are connected by a rotation locking component 3 that can switch between rotating and locked states. The rotating state can be switched as needed to allow relative rotation between hook 1 and lifting component 2, facilitating surgical operations.

[0029] Combination Figure 2-4 As shown, the rotating locking assembly 3 includes an outer shell 32 with an internal mounting cavity 31. One end of the hook 1 is connected to the outer shell 32. The mounting cavity 31 is provided with a connector 33 that can rotate relative to the outer shell 32. One end of the lifting assembly 2 is connected to the connector 33. The mounting cavity 31 is also provided with a locking assembly 34 that can lock the connector 33. One end of the locking assembly 34 extends through the outer shell 32 to the outside of the mounting cavity 31.

[0030] Specifically, the locking assembly 34 includes a locking rod 341 located above the connector 33. One end of the locking rod 341 passes through the outer shell 32 and is slidably connected to the outer shell 32. A locking block 342 is fixedly connected to one end of the locking rod 341. Sliding the locking rod 341 allows the locking block 342 to engage or disengage from the connector 33. The connector 33 has protruding teeth 36 along its edge, with a gap 37 between adjacent teeth 36. The locking block 342 has a locking protrusion 343 protruding from its surface on the side near the connector 33. Sliding the locking rod 341 allows the locking protrusion 343 to be embedded in the gap 37.

[0031] In use, sliding the locking lever 341 causes the locking protrusion 343 to engage in the gap 37. At this time, the connecting piece 33 cannot rotate due to the limiting effect of the locking block 342, meaning the rotary locking assembly 3 is in a locked state. Sliding the locking lever 341 causes the locking protrusion 343 to slide out of the gap 37. At this time, the connecting piece 33 can be rotated by the connecting rod 22, so the lifting assembly 2 and the hook 1 can rotate relative to each other, meaning the rotary locking assembly 3 is in a rotating state.

[0032] Preferably, the edge of the connector 33 is circular, and the protrusions 36 are provided in a plurality of positions and are evenly connected circumferentially to the edge of the connector 33. This allows the connector 33 to be locked by the locking protrusions 343 at multiple circumferential angles.

[0033] like Figure 4As shown, a button cap 35 is fixedly connected to one end of the locking assembly 34 outside the mounting cavity 31. The cross-sectional area of ​​the button cap 35 is larger than the cross-sectional area of ​​the end of the locking assembly 34. This allows medical personnel to easily press the button cap 35 to slide the locking lever 341.

[0034] Combination Figure 3 and Figure 4 As shown, the locking assembly 34 also includes a return spring 344 sleeved on the locking rod 341. A return baffle 345 is fixedly connected to the outer casing 32 and located within the mounting cavity 31. The locking rod 341 passes through the return baffle 345, and one end of the return spring 344 presses against the surface of the return baffle 345. When an external force is applied to cause the locking rod 341 to slide, allowing the locking protrusion 343 to slide out of the gap 37, the return spring 344 is compressed by the resistance of the return baffle 345. When the external force is removed, the return spring 344 springs back to its original position. Therefore, the return spring 344 and the return baffle 345 cooperate to facilitate the automatic reset of the locking rod 341 when the external force is removed.

[0035] like Figure 2 As shown, the rotary locking assembly 3 also includes a cover plate 38 located above the housing 32, which closes the mounting cavity 31. This prevents dust from falling into the mounting cavity 31 and causing the internal structure to jam.

[0036] Combination Figure 1 and Figure 5 As shown, the lifting assembly 2 includes a telescopic member 21 and a connecting rod 22 connected to one end of the telescopic member 21. One end of the connecting rod 22 is connected to the rotary locking assembly 3. A locking pin 23 is provided at the end of the telescopic member 21 away from the connecting rod 22. The telescopic member 21 includes a pressure plate 24 and a rack plate 25 that can slide relative to each other. A rocker handle 26 is rotatably connected to the pressure plate 24, and one side of the rocker handle 26 meshes with the rack on the rack plate 25. The connecting rod 22 is fixedly connected to the pressure plate 24, and the locking pin 23 is fixedly connected to the rack plate 25.

[0037] In use, the tissue-pulling hook-like instrument is connected to the locking pin 23. By turning the rocker handle 26, the rack plate 25 is moved along the pressure plate 24, thereby adjusting the position of the tissue-pulling hook-like instrument to achieve the optimal position for tissue traction, facilitating surgical operation.

[0038] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

[0039] Although this document frequently uses terms such as hook 1, lifting assembly 2, rotating locking assembly 3, telescopic component 21, connecting rod 22, locking pin 23, pressure plate 24, rack plate 25, crank handle 26, mounting cavity 31, outer shell 32, connecting component 33, locking assembly 34, button cap 35, protruding tooth 36, gap 37, cover plate 38, locking rod 341, locking block 342, locking protrusion 343, return spring 344, and return baffle 345, the possibility of using other terms is not excluded. The use of these terms is merely for the convenience of describing and explaining the essence of this utility model; interpreting them as any additional limitation would contradict the spirit of this utility model.

Claims

1. A device for placing a retractor hook with rotation function, comprising a hook (1) and a lifting assembly (2), characterized in that: The hook (1) and the lifting assembly (2) are further provided with a rotation locking assembly (3) which can be switched between a rotating state and a locking state, the hook (1) and the lifting assembly (2) are connected with the rotation locking assembly (3), and when the rotation locking assembly (3) is in the rotating state, the lifting assembly (2) can rotate relative to the hook (1) through the rotation locking assembly (3).

2. The device of claim 1, wherein: The rotation locking assembly (3) comprises an outer shell (32) with an installation cavity (31) inside, one end of the hook (1) is connected to the outer shell (32), a connecting piece (33) which can rotate relative to the outer shell (32) is arranged in the installation cavity (31), one end of the lifting assembly (2) is connected to the connecting piece (33), and a locking assembly (34) which can lock the connecting piece (33) is further arranged in the installation cavity (31), one end of the locking assembly (34) penetrates through the outer shell (32) and extends to the outside of the installation cavity (31).

3. The device of claim 2, wherein: One end of the locking assembly (34) located outside the installation cavity (31) is further fixedly connected with a button cap (35), and the cross-sectional area of the button cap (35) is greater than that of the end of the locking assembly (34).

4. The device of claim 2, wherein: The locking assembly (34) comprises a locking rod (341) located above the connecting piece (33), one end of the locking rod (341) penetrates through the outer shell (32) and is in sliding connection with the outer shell (32), one end of the locking rod (341) is fixedly connected with a locking block (342), and sliding the locking rod (341) can make the locking block (342) cooperate with or separate from the connecting piece (33).

5. The device of claim 4, wherein: The connecting piece (33) is provided with a protrusion (36) on the edge, and the adjacent two protrusions (36) have a gap (37), and the side of the locking block (342) close to the connecting piece (33) is provided with a locking protrusion (343) protruding from the surface of the locking block (342), and sliding the locking rod (341) can make the locking protrusion (343) embedded in the gap (37).

6. The device holder with a rotation function according to claim 5, wherein: The edge of the connecting piece (33) is circular, and the protrusions (36) are arranged in plurality and connected on the edge of the connecting piece (33) uniformly in the circumferential direction.

7. The device of claim 4, wherein: The locking assembly (34) further comprises a reset spring (344) sleeved on the locking rod (341), and a reset baffle (345) is fixedly connected to the outer shell (32) and located in the installation cavity (31), the locking rod (341) penetrates through the reset baffle (345), and one end of the reset spring (344) is pressed on the surface of the reset baffle (345).

8. The device holder with a rotation function according to claim 2, wherein: The rotation locking assembly (3) further comprises a cover plate (38) located above the outer shell (32), and the cover plate (38) closes the installation cavity (31).

9. The device holder with a rotation function according to claim 1, wherein: The lifting assembly (2) comprises a telescopic piece (21) and a connecting rod (22) connected to one end of the telescopic piece (21), one end of the connecting rod (22) is connected to the rotation locking assembly (3), and the telescopic piece (21) is provided with a bayonet (23) at the end away from the connecting rod (22).

10. The device holder with a rotation function according to claim 9, wherein: The telescopic part (21) comprises a slideable pressing plate (24) and a rack plate (25), a handle (26) is rotatably connected to the pressing plate (24), and one side of the handle (26) is engaged with a rack on the rack plate (25), the connecting rod (22) is fixedly connected to the pressing plate (24), and the clamping pin (23) is fixedly connected to the rack plate (25).

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