Prepuce loop ligature device operating handle

Abstract

The invention belongs to the technical field of design of matched structures of prepuce ligation devices, and particularly relates to an operating handle of a prepuce ligation device. Comprising a shell, a limiting guide assembly and a pushing assembly. The limiting guide assembly is located on the front side in the shell and comprises two I-shaped guide strips fixedly arranged on the left side and the right side in the shell, a Z-shaped trigger located at the bottoms of the I-shaped guide strips and a torsion spring located at the bottom of the Z-shaped trigger. The pushing assembly is located on the rear side in the shell and comprises a pushing rod, a pushing frame and a first reset spring. According to the prepuce loop ligature device operating handle, on the basis of an existing product, the internal structural design is further optimized and improved, and the design of an internal action part and an internal guide limiting structure is improved, so that the stability of the movement part in the high-speed movement process is improved, and meanwhile, the influence of the high-speed movement part on other structures is reduced; and by means of directional guide limiting and a reinforced buffering structure, vibration and noise in the using process of the device are further reduced, and the using experience is optimized.

Description

Technical Field

[0001] The present invention belongs to the technical field of the supporting structure design of a foreskin ligator, and particularly relates to an operating handle of a foreskin ligator. Background Art

[0002] A foreskin ligator is a special medical device dedicated to foreskin ligation surgery, mainly including a ligator body and an operating part used in cooperation with the ligator body to achieve power output control. Common types include a gun-type structure and a barrel-type structure. Among them, the gun-type structure is relatively large in size, relatively complex in structure, and high in use cost. The barrel-type structure is small and convenient to use, but it will generate relatively large noise and vibration during use. Its internal reciprocating motion structure needs to move quickly, with a fast moving speed and a large impact force. However, due to structural design and material limitations, during the ligation surgery, it may occur that the moving parts directly hit the operator's wrist, and the moving parts hit the housing structure, resulting in damage, which has an adverse impact on the ligation surgery. Summary of the Invention

[0003] The purpose of the present invention is to provide an improved operating handle of a foreskin ligator, which has higher operating efficiency, lower noise, can effectively prevent accidental impact and structural damage, and further improve the stability of the device during use.

[0004] To achieve the above purpose, the present invention adopts the following technical solutions.

[0005] An operating handle of a foreskin ligator includes a housing 1, a limit guiding component 2, and a pushing component 3;

[0006] The left and right sides of the housing 1 are provided with strip-shaped notches 1a extending in the front-rear direction. The front end of the housing 1 is open, and the bottom is provided with a first operation port 1b;

[0007] The limit guiding component 2 is located at the front side inside the housing 1, and includes two I-shaped guiding bars 20 fixedly arranged on the left and right sides inside the housing 1, a Z-shaped trigger 21 located at the bottom of the I-shaped guiding bar 20, and a torsion spring 22 located at the bottom of the Z-shaped trigger 21;

[0008] The top and bottom of the I-shaped guide bar 20 are provided with T-shaped connecting bars 201, and T-shaped connecting grooves 1d opposite thereto are provided on the inner wall of the housing 1. The T-shaped connecting bars 201 are snap-fitted into the T-shaped connecting grooves 1d to fix the I-shaped guide bar 20; a rotating shaft 210 is provided in the middle of the Z-shaped trigger 21, and a shaft hole for supporting the rotating shaft 210 is provided on the inner wall of the housing 1; a claw buckle 211 is provided at the top of the rear end of the Z-shaped trigger 21, and a pressing portion 212 is provided at the bottom of the front end. The claw buckle 211 extends upward between the two I-shaped guide bars 20, and the pressing portion 212 extends downward from the first operation port 1b; the torsion spring 22 is fixed on the Z-shaped trigger 21, with one end abutting against the inner wall of the housing 1 and the other end abutting against the claw buckle 211 to give it a tendency to swing upward;

[0009] The pushing assembly 3 is located at the rear side inside the housing 1 and includes a push rod 30, a push frame 31, and a first return spring 32;

[0010] The push rod 30 is of an E-shaped structure and is provided with a main push rod 300 and spring positioning rods 305 on the left and right sides of the main push rod 300; a rectangular connecting portion 301 is provided at the front end of the main push rod 300, and the rectangular connecting portion 301 is inserted into a rectangular guide cavity formed by the U-shaped grooves on the inner sides of the two I-shaped guide bars 20; the spring positioning rods 305 are aligned with the U-shaped grooves on the outer sides of the I-shaped guide bars 20; the first return spring 32 is arranged in the U-shaped grooves on the outer sides of the I-shaped guide bars 20, with the rear end sleeved on the spring positioning rods 305 and the front end abutting against the inner wall of the housing 1 to give the push rod 30 a tendency to move backward;

[0011]

[0011] The push frame 31 is located behind the push rod 30 and abuts against the push rod 30. It is provided with a horizontal plate surface 310 and control arms 311 on the left and right sides of the front end of the horizontal plate surface 310; clearance notches 200 are provided on the vertical wall surfaces of the I-shaped guide bars 20. The clearance notches 200 are open at the rear end and are aligned with the horizontal plate surface 310; the control arms 311 extend horizontally forward, and an outwardly protruding pressing portion 312 is provided at the front end, and the pressing portion 312 extends out from the strip-shaped notch 1a.

[0012] For a further improvement or preferred implementation of the aforesaid operation handle of the foreskin ligator, a connecting assembly 4 is further provided, including a second return spring 40 and a limiting member 41; a second strip-shaped operation port 1c is provided on the upper side of the front end of the strip-shaped notch 1a;

[0013] The limiting member 41 is arranged at the front side inside the housing 1 and above the I-shaped guide bar 20, and the second return spring 40 is located behind the limiting member 41; a U-shaped buckle 410 is provided at the front end of the limiting member 41, and button portions 411 are provided on the outer sides of the two arms of the U-shaped buckle 410, and the button portions 411 extend out from the second strip-shaped operation port 1c; the rear end of the second return spring 40 is connected to the inner wall of the housing 1, and the front end is connected to the limiting member 41 to give it a tendency to move backward.

[0014] For a further improvement or preferred embodiment of the operating handle of the foregoing foreskin ligator, a limiting plate surface 213 is provided near the lower end of the Z-shaped trigger 21 close to the pressing portion 212, and the edge dimension of the limiting plate surface 213 exceeds the first operation opening 1b to control the downward swing angle of the Z-shaped trigger 21.

[0015] For a further improvement or preferred embodiment of the operating handle of the foregoing foreskin ligator, the rotating shaft 210 is composed of a support shaft extending from the inner wall of one side of the housing 1.

[0016] For a further improvement or preferred embodiment of the operating handle of the foregoing foreskin ligator, the T-shaped connecting bar 201 extends in the left-right direction, and a plurality of T-shaped connecting bars 201 are uniformly arranged in the front-back direction in an array.

[0017] For a further improvement or preferred embodiment of the operating handle of the foregoing foreskin ligator, it further includes an elastic buffer member 5 disposed between the push rod 30 and the push frame 31. The elastic buffer member 5 includes a rear-end T-shaped connecting portion 50 and an 8-shaped buffer portion 51 located at the front end of the T-shaped connecting portion.

[0018] For a further improvement or preferred embodiment of the operating handle of the foregoing foreskin ligator, the elastic buffer member 5 is made of polyurethane material.

[0019] For a further improvement or preferred embodiment of the operating handle of the foregoing foreskin ligator, the edges of the left and right side strip-shaped notches 1a extend into the housing 1 to form a limiting and guiding frame 10, and the horizontal plate surface 310 and the control arm 311 slide back and forth along the limiting and guiding frame 10.

[0020] For a further improvement or preferred embodiment of the operating handle of the foregoing foreskin ligator, a cross-shaped reinforcing rib structure 11 is provided at the rear end of the limiting and guiding frame 10, and reinforcing rods 13 and reinforcing cylinder 14 structures are provided on the upper and lower sides of the cross-shaped reinforcing rib structures 11 on both sides; the upper and lower ends of the cross-shaped reinforcing rib are respectively connected to the reinforcing rod 13 or the reinforcing cylinder 14, the front end abuts against the inner wall of the rear side of the housing 1, and the front end abuts against the rear end of the limiting and guiding frame 10.

[0021] The beneficial effects are as follows:

[0022] Based on the existing products, the operating handle of the foreskin ligator of the present invention improves the stability of the moving parts during high-speed movement by further optimizing and improving the internal structure design, through improving the internal moving parts and the design of the internal guiding and limiting structure, and at the same time reduces the influence of the high-speed moving parts on other structures. By using directional guiding and limiting and strengthening the buffer structure, the vibration and noise during the use of the device are further reduced, and the use experience is optimized. Description of the Drawings

[0023] Figure 1 It is a front view of the operating handle of the foreskin ligator;

[0024] Figure 2 It is a cross-sectional view of the operating handle of the foreskin ligator;

[0025] Figure 3 It is an assembly drawing of the operating handle of the foreskin ligator;

[0026] Figure 4 It is a cross-sectional view of the internal structure of the operating handle of the foreskin ligator;

[0027] Figure 5 It is a schematic diagram of the internal structure of the operating handle of the foreskin ligator;

[0028] Figure 6 It is an assembly drawing of the internal structure of the operating handle of the foreskin ligator;

[0029] Among them, the reference numerals include:

[0030] Housing 1, strip-shaped notch 1a, first operation port 1b, T-shaped connection groove 1d, limit guiding frame 10, cross-shaped reinforcing rib structure 11, reinforcing rod 13, reinforcing cylinder 14, limit guiding component 2, I-shaped guiding strip 20, clearance notch 200, T-shaped connection strip 201, Z-shaped trigger 21, rotating shaft 210, claw buckle 211, pressing part 212, limit plate surface 213, torsion spring 22, pushing component 3, push rod 30, main push rod 300, spring positioning rod 305, rectangular connection part 301, horizontal plate surface 310, control arm 311, push frame 31, extrusion part 312, first return spring 32, second return spring 40, limiting part 41, U-shaped buckle 410, button part 411, elastic buffer 5, T-shaped connection part 50, figure-eight buffer part 51. Detailed implementation manners

[0031] The following describes the present invention in detail with reference to specific embodiments.

[0032] An operating handle of a foreskin ligator according to the present invention is mainly used to provide a replacement or improvement for an existing gun-type or barrel-type ligator operator, improve the use experience of the operator, prevent the operator from being injured when the operator moves at high speed, reduce vibration and noise during operation, improve the structural strength of the operator, and prevent the structure from being damaged due to the high-speed movement of the moving parts.

[0033] As Figure 1 shown, the main structure of the operating handle of the foreskin ligator according to the present invention includes a housing 1, a limit guiding component 2, and a pushing component 3;

[0034] Among them, strip-shaped notches 1a extending in the front-rear direction are provided on the left and right sides of the housing 1. The strip-shaped notches mainly serve as the operation channels for the moving components, so as to enable the operator to push the moving components forward to realize the connection and assembly of the operator and the ligator. The front end of the housing 1 is open and the bottom is provided with a first operation port 1b for docking with the ligator.

[0035] The limit and guiding assembly 2 is used as the guiding and controlling structure for the moving components. At the same time, during the movement of the moving components, it ensures the stability of the overall structure and reduces the structural looseness caused by strong impact and rapid movement. The limit and guiding assembly 2 is located at the front side inside the housing 1 and includes two I-shaped guiding bars 20 fixedly arranged on the left and right sides inside the housing 1, a Z-shaped trigger 21 located at the bottom of the I-shaped guiding bars 20, and a torsion spring 22 located at the bottom of the Z-shaped trigger 21.

[0036] T-shaped connecting bars 201 are provided at the top and bottom of the I-shaped guiding bars 20, and T-shaped connecting grooves 1d opposite thereto are provided on the inner wall of the housing 1. The T-shaped connecting bars 201 are clamped in the T-shaped connecting grooves 1d to fix the I-shaped guiding bars 20.

[0037] The T-shaped connecting bars 201 can better fix the I-shaped guiding bars 20 inside the housing. To prevent the I-shaped guiding bars 20 from being deformed by impact during the high-speed movement of the moving components, resulting in action jamming, in this embodiment, a plurality of T-shaped connecting bars 201 are provided on the I-shaped guiding bars 20. At the same time, for the convenience of assembly and use, in this embodiment, the T-shaped connecting bars 201 extend in the left-right direction to be respectively clamped with the inner walls on the left and right sides of the housing, and at the same time, the plurality of T-shaped connecting bars 201 are uniformly arranged in the front-rear direction in an array.

[0038] A rotating shaft 210 is provided in the middle of the Z-shaped trigger 21, and a shaft hole for supporting the rotating shaft 210 is provided on the inner wall of the housing 1.

[0039] To improve the integrity of the housing structure and reduce the number of independent components, in this embodiment, the rotating shaft 210 is composed of a support shaft extending from one inner wall of the housing 1.

[0040] A claw 211 is provided at the top of the rear end of the Z-shaped trigger 21, and a pressing portion 212 is provided at the bottom of the front end. The claw 211 extends upward between the two I-shaped guiding bars 20, and the pressing portion 212 extends downward from the first operation port 1b; the torsion spring 22 is fixed on the Z-shaped trigger 21, with one end against the inner wall of the housing 1 and the other end against the claw 211 to make it tend to swing upward.

[0041] To control the movement amplitude of the Z-shaped trigger 21 and accurately control the action structure, a limiting plate surface 213 is provided near the pressing portion 212 at the lower end of the Z-shaped trigger 21. The edge dimension of the limiting plate surface 213 exceeds the first operation port 1b to control the downward swing angle of the Z-shaped trigger 21.

[0042] The pushing component 3 is used as a driving control structure for the action component, facilitating the operator to perform the energy storage operation, enabling the internal compression spring to store energy, and simultaneously locking the locking structures with each other.

[0043] The pushing component 3 is located at the rear side inside the housing 1 and includes a push rod 30, a push frame 31, and a first return spring 32;

[0044] The push rod 30 has an E-shaped structure and is provided with a main push rod 300 and spring positioning rods 305 on the left and right sides of the main push rod 300; a rectangular connecting portion 301 is provided at the front end of the main push rod 300, and the rectangular connecting portion 301 is inserted into a rectangular guiding cavity formed by the U-shaped grooves on the inner sides of two I-shaped guiding strips 20; the spring positioning rods 305 are aligned with the U-shaped grooves on the outer sides of the I-shaped guiding strips 20; the first return spring 32 is arranged in the U-shaped grooves on the outer sides of the I-shaped guiding strips 20, the rear end is sleeved on the spring positioning rod 305, and the front end abuts against the inner wall of the housing 1 to make the push rod 30 have a tendency to move backward;

[0045] The push frame 31 is located at the rear side of the push rod 30 and abuts against the push rod 30, and is provided with a horizontal plate surface 310 and control arms 311 on the left and right sides at the front end of the horizontal plate surface 310; an avoidance notch 200 is provided on the vertical wall surface of the I-shaped guiding strip 20, and the rear end of the avoidance notch 200 is open and is aligned with the horizontal plate surface 310; the control arms 311 extend horizontally forward, and an outwardly protruding extrusion portion 312 is provided at the front end, and the extrusion portion 312 extends out from the strip-shaped notch 1a.

[0046] The edges of the strip-shaped notches 1a on the left and right sides extend into the housing 1 to form a limit guiding frame 10, and the horizontal plate surface 310 and the control arms 311 slide back and forth along the limit guiding frame 10.

[0047] Particularly, in this embodiment, a connecting component 4 for realizing docking with the ligator is further included, including a second return spring 40 and a limiting member 41; a second strip-shaped operation port 1c is provided on the upper side at the front end of the strip-shaped notch 1a;

[0048] The limiting member 41 is arranged at the front side inside the housing 1 and above the I-shaped guiding strip 20, and the second return spring 40 is located at the rear side of the limiting member 41; a U-shaped buckle 410 is provided at the front end of the limiting member 41, and button portions 411 are provided on the outer sides of the two arms of the U-shaped buckle 410, and the button portions 411 extend out from the second strip-shaped operation port 1c; the rear end of the second return spring 40 is connected to the inner wall of the housing 1, and the front end is connected to the limiting member 41 to make it have a tendency to move backward.

[0049] To prevent the moving part from hitting the rear end of the housing at high speed during the backward movement after being released, in this embodiment, an elastic buffer 5 is further provided between the push rod 30 and the push frame 31. The elastic buffer 5 includes a rear-end T-shaped connecting portion 50 and an 8-shaped buffer portion 51 located at the front end of the T-shaped connecting portion. The elastic buffer 5 can serve as a buffer component to prevent violent impact between the moving part and the push frame 3, which is beneficial to reducing the noise and vibration generated during the use of the device. As a commonly used elastic material, the elastic buffer 5 can be made of polyurethane material.

[0050] To further enhance the impact resistance of the rear end of the housing and improve the structural strength, a cross-shaped reinforcing rib structure 11 is provided at the rear end of the limit guiding frame 10, and reinforcing rods 13 and reinforcing cylinder 14 structures are provided on the upper and lower sides of the cross-shaped reinforcing rib structures 11 on both sides; the upper and lower ends of the cross-shaped reinforcing rib are respectively connected to the reinforcing rod 13 or the reinforcing cylinder 14, and the front end abuts against the inner wall of the rear side of the housing 1 and the rear end of the limit guiding frame 10.

[0051] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting the protection scope of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the essence and scope of the technical solutions of the present invention.

Claims

1. An operating handle of a foreskin ligator, characterized in that, It includes a housing (1), a limit guiding component (2), and a pushing component (3). The left and right sides of the housing (1) are provided with strip-shaped notches (1a) extending in the front-rear direction. The front end of the housing (1) is open and the bottom is provided with a first operation opening (1b). The limit guiding component (2) is located at the front side inside the housing (1), and includes two I-shaped guiding bars (20) fixedly arranged on the left and right sides inside the housing (1), a Z-shaped trigger (21) located at the bottom of the I-shaped guiding bar (20), and a torsion spring (22) located at the bottom of the Z-shaped trigger (21). The top and bottom of the I-shaped guiding bar (20) are provided with T-shaped connecting bars (201). T-shaped connecting grooves (1d) opposite thereto are provided on the inner wall of the housing (1). The T-shaped connecting bar (201) is clamped in the T-shaped connecting groove (1d) to fix the I-shaped guiding bar (20). A rotating shaft (210) is provided in the middle of the Z-shaped trigger (21). A shaft hole for supporting the rotating shaft (210) is provided on the inner wall of the housing (1). A claw buckle (211) is provided at the top of the rear end of the Z-shaped trigger (21), and a pressing part (212) is provided at the bottom of the front end. The claw buckle (211) extends upward between the two I-shaped guiding bars (20), and the pressing part (212) extends downward from the first operation opening (1b). The torsion spring (22) is fixed on the Z-shaped trigger (21), with one end against the inner wall of the housing (1) and the other end against the claw buckle (211) to make it tend to swing upward. The pushing component (3) is located at the rear side inside the housing (1), and includes a push rod (30), a push frame (31), and a first return spring (32). The push rod (30) has an E-shaped structure, and is provided with a main push rod (300) and spring positioning rods (305) located on the left and right sides of the main push rod (300). A rectangular connecting part (301) is provided at the front end of the main push rod (300). The rectangular connecting part (301) is inserted into a rectangular guiding cavity formed by the C-shaped grooves inside the two I-shaped guiding bars (20). The spring positioning rod (305) is aligned with the C-shaped groove outside the I-shaped guiding bar (20). The first return spring (32) is arranged in the C-shaped groove outside the I-shaped guiding bar (20), with the rear end sleeved on the spring positioning rod (305) and the front end against the inner wall of the housing (1) to make the push rod (30) tend to move backward. The push frame (31) is located behind the push rod (30) and abuts against the push rod (30), and is provided with a horizontal plate surface (310) and control arms (311) located on the left and right sides at the front end of the horizontal plate surface (310). Avoidance notches (200) are provided on the vertical wall surfaces of the I-shaped guiding bars (20). The rear end of the avoidance notch (200) is open and is aligned with the horizontal plate surface (310). The control arm (311) extends horizontally forward, and an extrusion part (312) protruding outward is provided at the front end. The extrusion part (312) extends out from the strip-shaped notch (1a).

2. The operating handle of the foreskin ligator according to claim 1, characterized in that, A connecting component (4) is further provided, including a second return spring (40) and a limiting member (41). A second strip-shaped operation opening (1c) is provided on the upper side of the front end of the strip-shaped notch (1a). The limiting member (41) is arranged on the front side inside the housing (1) and above the I-shaped guide bar (20), and the second return spring (40) is located behind the limiting member (41); a U-shaped buckle (410) is provided at the front end of the limiting member (41), and button parts (411) are provided on the outer sides of the two arms of the U-shaped buckle (410), and the button parts (411) extend out from the second strip-shaped operation port (1c); the rear end of the second return spring (40) is connected to the inner wall of the housing (1), and the front end is connected to the limiting member (41) so that it has a tendency to move backward.

3. The operating handle of the foreskin ligator according to claim 1, characterized in that, A limiting plate surface (213) is provided near the pressing part (212) at the lower end of the Z-shaped trigger (21), and the edge dimension of the limiting plate surface (213) exceeds the first operation port (1b) to control the downward swing angle of the Z-shaped trigger (21).

4. The operating handle of the foreskin ligator according to claim 1, characterized in that, The rotating shaft (210) is composed of a support shaft extending from the inner wall on one side of the housing (1).

5. The operating handle of the foreskin ligator according to claim 1, characterized in that, The T-shaped connecting strip (201) extends in the left-right direction, and a plurality of T-shaped connecting strips (201) are uniformly arranged in the front-rear direction in an array.

6. The operating handle of the foreskin ligator according to claim 1, characterized in that, It further includes an elastic buffer member (5) arranged between the push rod (30) and the push frame (31), and the elastic buffer member (5) includes a rear-end T-shaped connecting portion (50) and an 8-shaped buffer portion (51) located at the front end of the T-shaped connecting portion.

7. The operating handle of the foreskin ligator according to claim 6, characterized in that, The elastic buffer member (5) is made of polyurethane material.

8. The operating handle of the foreskin ligator according to claim 1, characterized in that Edges of the left and right side strip-shaped notches (1a) extend into the housing (1) to form a limiting guide frame (10), and the horizontal plate surface (310) and the control arm (311) slide back and forth along the limiting guide frame (10).

9. The operating handle of the foreskin ligator according to claim 8, characterized in that, A cross-shaped reinforcing rib structure (11) is provided at the rear end of the limiting guide frame (10), and a reinforcing rod (13) and a reinforcing cylinder (14) structure are provided on the upper and lower sides of the cross-shaped reinforcing rib structures (11) on both sides; the upper and lower ends of the cross-shaped reinforcing rib are respectively connected to the reinforcing rod (13) or the reinforcing cylinder (14), and the front end abuts against the rear inner wall of the housing (1), and the front end abuts against the rear end of the limiting guide frame (10).

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