A special stapler for pelvic floor surgery

Abstract

The present invention relates to the field of medical device technology, specifically a suturing device for pelvic floor surgery. Provided is a suturing device for pelvic floor surgery that is convenient for flexible and quick switching of holding modes. The device includes a handle, a cutter, a labor-saving component, a thread hooking component, etc., and cutters capable of shearing each other are respectively arranged near the wire ends of the lower clamp arm and the upper clamp arm, and a labor-saving component is connected between the gripping ends of the lower clamp arm and the upper clamp arm and the inside of the handle, and a thread hooking component capable of flexibly switching the holding mode is arranged between the lower clamp arm and the handle. Through the mutual cooperation of the elastic member, the gear, the rack one and the rack two, the lower clamp arm and the upper clamp arm can be synchronously unfolded or retracted and closed, which is conducive to the purpose of saving manpower when pressing the handle; while holding the handle, the adjusting block is pushed back and forth to move, and the thread hooking device can be driven to flip and extend through the pulling action of the pull rope, so that the suture can be conveniently hooked.

Description

Technical Field

[0001] The invention relates to the technical field of medical instruments, in particular to a special suturing device for pelvic floor surgery. Background Art

[0002] Pelvic floor surgery mainly includes urinary incontinence, pelvic organ prolapse (such as uterine prolapse, cystocele, rectocele), etc. The treatment of these diseases usually requires surgical intervention, and the stapler used in pelvic floor surgery, as an important surgical tool, plays an important role in improving surgical efficiency.

[0003] A patent for a pelvic floor surgery stapler is disclosed on the patent website, and its authorization announcement number is CN215994097U, which includes an upper clamp arm and a lower clamp arm, wherein the upper clamp arm and the lower clamp arm are rotatably connected, a hole is provided at the working end of the upper clamp arm, a slideway is provided at the end face of the lower clamp arm, a threading needle is connected to the working end of the lower clamp arm, a lifting slide bar is provided inside the slideway, one end of the lifting slide bar is connected to the threading needle, and the other end of the lifting slide bar is connected to a positioning block, and the ends of the upper clamp arm and the lower clamp arm are connected to a locking block. The device realizes the combination of two adjustment and fixing functions by designing two states for the threading needle, thereby reducing the cumbersome operation of replacing surgical instruments. However, the following deficiencies still exist in the actual use and operation process: First, the suture device is designed as a scissor-like structure, so that medical staff can only hold the suture device in one way, which makes it easy for medical staff to feel sore in their hands when performing long-term suture operations on patients, which may affect the efficiency of surgical suture. Secondly, when the suture device switches and adjusts the needle threading state, it is necessary to push up and move the lifting slide bar and the positioning block separately, which is difficult to achieve in one step and the operation is relatively cumbersome; Thirdly, the suture device does not have the function of quickly cutting the suture thread, and when the excess suture thread after the knot needs to be cut off, it is necessary to frequently change the scissors or other instruments, which is inconvenient.

[0004] In summary, a suturing device specifically for pelvic floor surgery that is convenient for flexible and quick switching of holding modes is proposed, aiming to solve the deficiencies existing in the above-mentioned technologies. Summary of the invention

[0005] In order to overcome the shortcomings of the existing scissor-type staplers, such as the single holding method, which is not conducive to alleviating the discomfort of the hands of medical staff when performing suturing operations on patients for a long time, and the relatively simple structure and function, the technical problem is to provide a special stapler for pelvic floor surgery that is easy to flexibly and quickly switch the holding method.

[0006] The technical solution is: a special suturing instrument for pelvic floor surgery, comprising a grip, a rotating shaft, a lower clamp arm, an upper clamp arm and a handle, the gripping handle is rotatably connected to the lower clamp arm and the upper clamp arm through the rotating shaft, the gripping end of the upper clamp arm is connected to the handle, and also comprises a cutter, a labor-saving component and a wire hooking component, cutters capable of shearing each other are respectively arranged at the clamp wire ends near the lower clamp arm and the upper clamp arm, a labor-saving component is connected between the gripping ends of the lower clamp arm and the upper clamp arm and the inside of the gripping handle, the labor-saving component is used to assist the lower clamp arm and the upper clamp arm to synchronously unfold or retract, a wire hooking component capable of flexibly switching the gripping mode is arranged between the lower clamp arm and the gripping handle, the wire hooking component comprises a short shaft and a wire hooking device, a through hole is opened on the lower clamp arm near the cutter, a short shaft is arranged inside the through hole, and a wire hooking device capable of rotatably extending out is sleeved on the short shaft.

[0007] As a further improvement of the above technical solution, the line hooking assembly also includes a pulling adjustment member arranged between the line hooking device and the handle for flexibly adjusting the line hooking method.

[0008] As a further improvement of the above technical solution, the pulling adjustment member includes an adjustment block, a torsion spring and a pull rope, an adjustment groove is provided in the middle of the handle, an adjustment block capable of sliding and adjusting the position is provided in the adjustment groove, a torsion spring is connected between the thread hook and the inner wall of the through hole, and the torsion spring is sleeved on the short shaft, a pull rope is connected between one end of the hook away from the thread hook and the adjustment block, and a wire groove for accommodating the pull rope is provided on the lower clamp arm.

[0009] As a further improvement of the above technical solution, the labor-saving component includes a connecting block, an elastic member, a gear, a rack 1 and a rack 2. A connecting block is arranged inside the handle, and elastic members are respectively connected between the connecting block and the gripping ends of the lower clamp arm and the upper clamp arm. A gear is rotatably connected to the handle on one side close to the connecting block, and rack 1 and rack 2 are respectively arranged on the side close to each other of the gripping ends of the upper clamp arm and the lower clamp arm, and the rack 1 and rack 2 are staggeredly distributed, and both rack 1 and rack 2 are meshed with the gear.

[0010] As a further improvement of the above technical solution, the wire clamping end of the upper clamp arm is provided with a groove for accommodating the wire hooking device.

[0011] As a further improvement of the above technical solution, a guide groove for guiding the pull rope is provided in the middle part of the lower clamp arm near the rotating shaft.

[0012] As a further improvement of the above technical solution, a fixing belt is also included, and the fixing belt is arranged on the outside of the handle and close to the hand-holding part thereof.

[0013] As a further improvement of the above technical solution, it also includes a limiting component for fixing the handle, the limiting component includes a hook and a roller, the grip is movably connected with a flip-adjustable hook near the handle, the hook is sleeved with a roller, and the grip and the handle are respectively provided with slots that can be engaged with the roller.

[0014] As a further improvement of the above technical solution, it also includes a guide member for guiding the pull rope, the guide member is composed of a plurality of wire wheels, the wire wheels are rotatably installed in the guide groove, and the wire wheels can fit the pull rope.

[0015] As a further improvement of the above technical solution, it also includes a lighting component, which includes an LED lamp, a button, a battery compartment and a cover plate. The LED lamp is arranged on the handle near the clamp wire end of the upper clamp arm, and the button is arranged on the handle near the adjustment block. The button is electrically connected to the LED lamp. A battery compartment for installing a battery is embedded on the handle near the button. The battery compartment is electrically connected to the LED lamp and the button, respectively, and a cover plate is clamped on the outside of the battery compartment.

[0016] The present invention has the following advantages: 1. Through the mutual cooperation of the elastic member, the gear, the rack one and the rack two, the lower clamp arm and the upper clamp arm can be synchronously unfolded or retracted and closed, which is beneficial to saving manpower when pressing the handle; while holding the handle, the adjustment block is pushed back and forth to move, and the traction of the pull rope can drive the thread hook to flip and extend, so that the suture can be conveniently hooked and tightened; in this way, the holding gestures for suture surgery can be flexibly switched, which is beneficial to greatly alleviate the discomfort of the hands of medical staff when performing suture surgery on patients for a long time.

[0017] 2. By providing LED lights that project obliquely toward the ends of the forceps wires of the lower forceps arm and the upper forceps arm, it is helpful to provide a good lighting environment for medical staff during the operation.

[0018] 3. By moving the hook so that the roller on it is engaged in the slot on the handle, the handle can be conveniently clamped and limited after being pressed and folded, which is conducive to the storage of the folded suture device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a diagram of the lower clamp arm and the upper clamp arm of the present invention in an open state.

[0020] Figure 2 It is a cross-sectional view of the present invention.

[0021] Figure 3This is a structural separation diagram of the lower clamp arm, the upper clamp arm and the rotating shaft of the present invention.

[0022] Figure 4 It is a schematic diagram of the three-dimensional structure of the labor-saving component of the present invention.

[0023] Figure 5 It is a schematic diagram of the three-dimensional structure of the line hooking component of the present invention.

[0024] Figure 6 It is a schematic diagram of the connection structure of the short shaft, the wire hook, the torsion spring and the pull rope of the present invention.

[0025] Figure 7 It is a schematic diagram of the connection structure of the guide wheel and the pull rope of the present invention.

[0026] Figure 8 It is a partial three-dimensional structural schematic diagram of the present invention.

[0027] Fig. 9 This is a diagram showing the closed state of the lower clamp arm and the upper clamp arm of the present invention.

[0028] Fig.10 It is a schematic diagram of the connection structure between the fixing belt and the handle of the present invention.

[0029] The names and serial numbers of the parts in the figure are: 1_handle, 2_rotating shaft, 3_lower clamp arm, 30_cutter, 31_anti-slip groove, 32_through hole, 33_groove, 4_upper clamp arm, 5_limit block, 6_handle, 7_connecting block, 8_elastic member, 9_gear, 10_rack one, 11_rack two, 12_notch, 13_adjustment block, 130_adjustment groove, 14_short shaft, 15_wire hook, 16_torsion spring, 17_pull rope, 170_guide groove, 18_wire groove, 19_wire wheel, 20_LED light, 21_button, 22_battery compartment, 23_cover, 24_hook, 25_roller, 26_slot, 27-fixing belt. DETAILED DESCRIPTION

[0030] The present invention is further described below in conjunction with specific embodiments. It should also be noted that, unless otherwise clearly specified and limited, terms such as: setting, installing, connecting, and connecting should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] Embodiment 1: A suturing device for pelvic floor surgery provided by the present invention, see Figures 1 to 9As shown, it includes a handle 1, a rotating shaft 2, a lower clamp arm 3, an upper clamp arm 4, a handle 6, a cutter 30, a labor-saving component and a hooking component. The handle 1 is rotatably connected to the lower clamp arm 3 and the upper clamp arm 4 through the rotating shaft 2, and the gripping end of the upper clamp arm 4 is connected to the handle 6. Cutters 30 that can shear each other are respectively arranged near the clamping wire ends of the lower clamp arm 3 and the upper clamp arm 4, which can achieve the purpose of quickly cutting the suture line without frequently replacing scissors or other instruments, and are convenient to use; a labor-saving component is connected between the gripping ends of the lower clamp arm 3 and the upper clamp arm 4 and the inside of the handle 1, and the lower clamp arm 3 and the upper clamp arm 4 are synchronously opened or closed through the auxiliary cooperation of the labor-saving component, which is conducive to the purpose of saving manpower; a hooking component is arranged between the lower clamp arm 3 and the handle 1, and the hooking component can achieve the purpose of flexibly switching the gripping mode of the suture device, thereby effectively alleviating the hand pain of medical staff during long-term suture surgery. The thread hooking assembly includes a short shaft 14, a thread hooking device 15 and a pulling adjustment member. A through hole 32 is provided on the lower clamp arm 3 near the cutter 30. The short shaft 14 is provided inside the through hole 32. The short shaft 14 is sleeved with a thread hooking device 15 that can rotate and swing. The thread hooking device 15 can be horizontally retracted in the through hole 32, and can also be turned outward with the short shaft 14 as the axis, so as to flexibly adjust and switch different use states. A pulling adjustment member is provided between the thread hooking device 15 and the handle 1. The adjusting part, the pulling adjusting part includes an adjusting block 13, a torsion spring 16 and a pull rope 17. An adjusting groove 130 is opened in the middle of the handle 1, and an adjusting block 13 capable of sliding and adjusting the position is opened in the adjusting groove 130. A torsion spring 16 is connected between the thread hook 15 and the inner wall of the through hole 32, and the torsion spring 16 is sleeved on the short shaft 14. A pull rope 17 is connected between the end of the hook away from the thread hook 15 and the adjusting block 13, and a wire groove 18 for accommodating the pull rope 17 is opened on the lower clamp arm 3.

[0032] For further information, see Figure 2 and Figure 4 As shown, the labor-saving component includes a connecting block 7, an elastic member 8, a gear 9, a rack 10 and a rack 2 11. The connecting block 7 is arranged inside the handle 1. Elastic members 8 are respectively connected between the connecting block 7 and the gripping ends of the lower clamp arm 3 and the upper clamp arm 4. The elastic member 8 is a compression spring, which is used to provide a reset effect for the lower clamp arm 3 and the upper clamp arm 4 to open to both sides. The handle 1 is rotatably connected with a gear 9 on the side close to the connecting block 7. The gripping ends of the upper clamp arm 4 and the lower clamp arm 3 are respectively provided with a rack 10 and a rack 2 11 on the side close to each other. The rack 10 and the rack 2 11 are staggered and distributed, and the rack 10 and the rack 2 11 are both meshed with the gear 9. The rack 10 and the rack 2 11 are both arc-shaped racks, which can closely cooperate with the gear 9 along the swinging trajectory of the rotating shaft 2, thereby facilitating the lower clamp arm 3 and the upper clamp arm 4 to achieve the purpose of labor-saving when opening and closing.

[0033] For further information, see Figure 2 , Figure 3 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, the clamping ends of the lower clamp arm 3 and the upper clamp arm 4 are respectively provided with anti-slip grooves 31 on the side close to each other, which can increase the friction coefficient, thereby facilitating improving the stability of clamping the suture or suture needle; the gripping end of the lower clamp arm 3 is provided with a notch 12 for the rack 10 to pass through, which is beneficial to increasing the movable stroke of the rack 10; the clamping end of the upper clamp arm 4 is provided with a groove 33, which is beneficial to accommodating the flipped and extended thread hook 15, so that the thread hook 15 can be adjusted to different usage states; a guide groove 170 is provided in the middle part of the lower clamp arm 3 near the rotating shaft 2, and the pull rope 17 is wrapped around the guide groove 170, and the pull rope 17 can be guided by the guide groove 170.

[0034] When in use, medical staff can hold the handle 1 and press the handle 6 inwards. Under the mutual cooperation of the gear 9, the rack 1 10 and the rack 2 11, manpower can be saved, so that the clamp wire ends of the lower clamp arm 3 and the upper clamp arm 4 in the open state can be close to each other, and then the hook clamp with the suture thread can be pinched to suture the patient's wound; when the suture thread needs to be knotted, after the lower clamp arm 3 and the upper clamp arm 4 clamp one end of the suture thread, the other end of the suture thread can be pinched with tweezers to complete the knot. Corresponding operation: loosen the handle 6, and the lower clamp arm 3 and the upper clamp arm 4 on it can be opened to each other under the elastic force of the elastic member 8, and then press the handle 6 again to make the cutters 30 on the lower clamp arm 3 and the upper clamp arm 4 close to each other, so that the redundant suture can be cut, and the medical staff does not need to frequently replace the surgical tools, and the operation is convenient; and by holding the grip 1 and the handle 6 with an increased contact area, the comfort of the medical staff when holding the suture device can be effectively improved, which is conducive to avoiding the medical staff from having to hold the suture device for a long time. The present invention relates to a method for suturing a patient with a scissor-type stapler and a method for suturing a patient with a scissor-type stapler. ... The unfolded thread hook 15 hooks and pulls the suture thread, and appropriately pushes the adjustment block 13 to reset it, so that the pull rope 17 is gradually loosened, and then the torsion spring 16 can drive the thread hook 15 thereon to gradually retract into the through hole 32. The clamping cooperation of the thread hook 15 and the clamping end of the lower clamp arm 3 can conveniently clamp the suture thread. In this way, by repeating the above operations, different suturing gestures can be conveniently and flexibly switched to perform surgical sutures on patients, which is beneficial to reduce a certain surgical operation burden for medical staff.

[0035] Embodiment 2: Based on Embodiment 1, see Figure 1 , Figure 2 , Figure 4 and Fig. 9 As shown, it also includes a limiting component, which includes a hook 24 and a roller 25. The handle 1 is movably connected with a hook 24 that can be flipped and adjusted near the handle 6, and the hook 24 is sleeved with a roller 25. The handle 1 and the handle 6 are respectively provided with a slot 26 that can be connected with the roller 25. When it is needed, the roller 25 can be connected to the slot 26 on the handle 1 to release the restriction on the handle 6. When use is completed, the roller 25 can be connected to the slot 26 on the handle 6 to limit the handle 6.

[0036] For further information, see Figure 1 , Figure 2 , Figure 8 and Fig. 9 As shown, it also includes a lighting component, which includes an LED lamp 20, a button 21, a battery compartment 22 and a cover plate 23. The LED lamp 20 is arranged on the handle 1 at the clamp wire end near the upper clamp arm 4, and the button 21 is arranged on the handle 1 near the adjustment block 13. The button 21 is electrically connected to the LED lamp 20. A battery compartment 22 for installing batteries is embedded near the button 21 on the handle 1. The battery compartment 22 is electrically connected to the LED lamp 20 and the button 21 respectively. The cover plate 23 is clamped on the outside of the battery compartment 22. The LED lamp 20, which is obliquely projected with the clamp wire ends of the lower clamp arm 3 and the upper clamp arm 4, is conducive to improving a good surgical lighting environment.

[0037] For further information, see Figure 7 As shown, it also includes a guide member, which is composed of a plurality of wire wheels 19. The wire wheels 19 are rotatably installed in the guide groove 170. The wire wheels 19 can fit with the pull rope 17 and can guide the pull rope 17. Figure 2 , Figure 3 and Figure 4 As shown, it also includes a limit block 5. The limit block 5 is set on the other side of the handle 1 near the connecting block 7. The lower clamp arm 3 can abut against the limit block 5. The limit block 5 can provide buffering and protection for the lower clamp arm 3.

[0038] In addition, see Fig.10 As shown, a fixing belt 27 is also included. Two fixing belts 27 are arranged on the handle 1 near its hand-holding part, and the two fixing belts 27 are both located on the opposite side of the adjustment block 13, so that the medical staff can wear the fixing belts 27 on the back of their hands when holding the suture instrument, which is beneficial to further improve the stability of the medical staff when holding it, and further facilitates the smooth suturing operation on the patient.

[0039] When performing surgical suture on a patient, the button 21 is pressed to turn on the LED light 20, thereby providing a good surgical lighting environment for medical staff. When the stapler is not needed, after cleaning and disinfection, the hook 24 is moved so that the roller 25 on it can be engaged in the slot 26 on the handle 6, thereby limiting the handle 6, so that the clamp wire ends of the lower clamp arm 3 and the upper clamp arm 4 can be retracted and fitted together, thereby facilitating the safe storage of the retracted stapler and avoiding certain safety hazards caused by the open clamp wire ends and the cutter 30.

[0040] Although the present disclosure has been described with respect to only a limited number of embodiments, those skilled in the art having benefit of this disclosure will appreciate that various other embodiments can be devised without departing from the scope of the present invention. Accordingly, the scope of the present invention should be limited only by the appended claims.

Claims

1. A suturing device for pelvic floor surgery, comprising a handle (1), a rotating shaft (2), a lower clamp arm (3), an upper clamp arm (4) and a handle (6), wherein the handle (1) is rotatably connected to the lower clamp arm (3) and the upper clamp arm (4) via the rotating shaft (2), and the gripping end of the upper clamp arm (4) is connected to the handle (6), characterized in that: The invention also comprises a cutter (30), a labor-saving component and a wire hooking component. Cutters (30) capable of shearing each other are respectively arranged near the wire clamping ends of the lower clamp arm (3) and the upper clamp arm (4). A labor-saving component is connected between the gripping ends of the lower clamp arm (3) and the upper clamp arm (4) and the inside of the handle (1). The labor-saving component is used to assist the lower clamp arm (3) and the upper clamp arm (4) to be synchronously unfolded or retracted. A wire hooking component capable of flexibly switching the gripping mode is arranged between the lower clamp arm (3) and the handle (1). The wire hooking component comprises a short shaft (14) and a wire hook (15). A through hole (32) is opened on the lower clamp arm (3) near the cutter (30). A short shaft (14) is arranged inside the through hole (32). The short shaft (14) is sleeved with a wire hook (15) capable of rotating and extending.

2. A pelvic floor surgery stapler according to claim 1, characterized in that: The thread hooking assembly further comprises a pulling adjustment member arranged between the thread hooking device (15) and the handle (1) for flexibly adjusting the thread hooking mode.

3. A pelvic floor surgery stapler according to claim 2, characterized in that: The pulling adjustment member comprises an adjustment block (13), a torsion spring (16) and a pull rope (17); an adjustment slot (130) is provided in the middle of the handle (1); an adjustment block (13) capable of slidingly adjusting its position is provided in the adjustment slot (130); a torsion spring (16) is connected between the thread hook (15) and the inner wall of the through hole (32); the torsion spring (16) is sleeved on the short shaft (14); a pull rope (17) is connected between an end of the hook away from the thread hook (15) and the adjustment block (13); and a wire groove (18) for accommodating the pull rope (17) is provided on the lower clamp arm (3).

4. The pelvic floor surgery stapler according to claim 1, characterized in that: The labor-saving component comprises a connecting block (7), an elastic member (8), a gear (9), a rack 1 (10) and a rack 2 (11); the connecting block (7) is arranged inside the handle (1); the elastic member (8) is connected between the connecting block (7) and the gripping ends of the lower clamp arm (3) and the upper clamp arm (4), respectively; the handle (1) is rotatably connected to a gear (9) on a side close to the connecting block (7); the gripping ends of the upper clamp arm (4) and the lower clamp arm (3) are respectively provided with a rack 1 (10) and a rack 2 (11) on a side close to each other; the rack 1 (10) and the rack 2 (11) are arranged in a staggered distribution, and the rack 1 (10) and the rack 2 (11) are both meshed with the gear (9).

5. The pelvic floor surgery stapler according to claim 1, characterized in that: The thread clamping end of the upper clamp arm (4) is provided with a groove (33) for accommodating the thread hook (15).

6. The pelvic floor surgery stapler according to claim 3, characterized in that: A guide groove (170) for guiding the pull rope (17) is provided in the middle of the lower clamp arm (3) near the rotating shaft (2).

7. The pelvic floor surgery stapler according to claim 1, characterized in that: It also includes a fixing belt (27), which is arranged on the outside of the handle (1) and close to a side of the hand-held portion thereof.

8. The pelvic floor surgery stapler according to claim 1, characterized in that: The invention also comprises a limit assembly for fixing the handle (6), the limit assembly comprising a hook (24) and a roller (25), the grip (1) being movably connected with a flip-adjustable hook (24) near the handle (6), the hook (24) being sleeved with the roller (25), and the grip (1) and the handle (6) being respectively provided with a slot (26) capable of being connected with the roller (25).

9. The pelvic floor surgery stapler according to claim 6, characterized in that: It also includes a guide member for guiding the pull rope (17), the guide member being composed of a plurality of guide wheels (19), the guide wheels (19) being rotatably mounted in the guide groove (170), and the guide wheels (19) being able to fit closely with the pull rope (17).

10. The pelvic floor surgery stapler according to claim 1, characterized in that: The invention also comprises a lighting assembly, the lighting assembly comprising an LED lamp (20), a button (21), a battery compartment (22) and a cover plate (23); the LED lamp (20) is arranged on the handle (1) near the clamp wire end of the upper clamp arm (4); the button (21) is arranged on the handle (1) near the adjustment block (13); the button (21) is electrically connected to the LED lamp (20); a battery compartment (22) for installing a battery is embedded in the handle (1) near the button (21); the battery compartment (22) is electrically connected to the LED lamp (20) and the button (21) respectively; and the cover plate (23) is clamped on the outer side of the battery compartment (22).

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