Closure clip with lower opening lever

Abstract

The rear portion of the closing clamp with the lower opening rod is provided with the lower opening rod extending towards the lower rear portion. When the lower opening rod is subjected to forward pushing force, forward pushing force and torque are generated on the rear portion of the closing clamp, the pushing force enables the closing clamp to tend to move forwards, and the torque enables the closing clamp to tend to increase the amplitude of mutual opening of the front portions of the first clamping piece and the second clamping piece.

Description

Technical Field

[0001] The present invention relates to a closing clip with a lower opening rod for clamping tissue, and particularly relates to a non-biodegradable closing clip, and also particularly relates to a biodegradable closing clip, and more particularly relates to a closing clip used in a clamping forceps that applies a closing clip once, and even more particularly relates to a closing clip used in a clamping forceps that applies a closing clip continuously. Background Art

[0002] In surgical operations, various manual, electric and robotic closure clamps for clamping tissue are commonly used in operations to clamp blood vessels and organ tissues in the abdominal and thoracic cavities; they are used in operations to clamp blood vessels and organ tissues in the excretory and reproductive systems; they are particularly suitable for operations to clamp blood vessels and organ tissues that are difficult to expose and operate, and can be used in both open and laparoscopic surgeries, which can reduce surgical trauma, lower surgical risks, shorten operation time and improve surgical quality.

[0003] The clamping forceps for applying closing clips are divided into two types: the clamping forceps for applying closing clips once and the clamping forceps for applying closing clips continuously. Since the jaws of the clamping forceps for applying closing clips once can only hold one closing clip at a time, when applying the clamps, firstly, a closing clip is loaded into the jaws of the clamping forceps, and then the handle in the operating component of the clamping forceps is pulled to clamp one closing clip. If the second closing clip is clamped, the above action needs to be repeated once. A laparoscopic surgery requires an average of 15 closing clips to be clamped, and the above action needs to be repeated 15 times, which is obviously troublesome and time-consuming on the operating table. Once an emergency state of multiple bleeding or leakage is encountered, it is difficult to respond in time. Multiple closing clips are loaded into the interior of the actuator component of the clamping forceps for applying closing clips continuously, and these closing clips can be clamped continuously, avoiding the above unsatisfactory aspects of the clamping forceps for applying closing clips once.

[0004] The closure clips described in US Pat. Nos. 20210030420A1, 20210228212A1 and 20220211384A1 are as follows: Figures 1 to 3As shown, the known closing clip 1 includes a first clip 2, a second clip 3 and a hinge 4. The hinge 4 of the closing clip 1 connects the first clip 2 located at the bottom and the second clip 3 located at the top, and connects the first clip 2, the second clip 3 and the hinge 4 into one. The hinge 4 includes an outer hinge 5 and an inner hinge 6. A hinge groove 7 is provided between the outer hinge 5 and the inner hinge 6. A hook 8 is provided at the front upper part of the first clip 2, a lower pressing block 12 is provided at the front lower part, and a first clamping surface 9 is provided at the top. A clamping block 10 is provided at the front of the second clip 3, an upper pressing block 13 is provided at the front upper part, and a second clamping surface 11 is provided at the bottom. The rebound effect of the outer hinge 5 and the inner hinge 6 causes the front parts of the first clip 2 and the second clip 3 to open to each other, forming a V-shaped closing clip 1. When the first clip 2 and the second clip 3 of the closing clip 1 are closed to each other, the first clip 2 and the second clip 3 overcome the bending deformation force of the outer hinge 5 and the inner hinge 6. When the first clamp 2 and the second clamp 3 of the closing clamp 1 clamp the tissue (not shown), an upward force is applied to the lower pressure block 12 of the first clamp 2 of the closing clamp 1, and a downward force is applied to the upper pressure block 13 of the second clamp 3, and the first clamp 2 and the second clamp 3 are closed to each other, so that the clamping block 10 of the second clamp 3 is clamped into the hook 8 of the first clamp 2, and the tissue is clamped between the first clamping surface 9 of the first clamp 2 and the second clamping surface 11 of the second clamp 3; at this time, the upper pressure block 13 of the second clamp 3 is clamped on both sides of the hook 8 of the first clamp 2, and the tissue in the hook 8 of the first clamp 2 is pushed between the first clamping surface 9 of the first clamp 2 and the second clamping surface 11 of the second clamp 3. The first unsatisfactory aspect of this type of closing clip is that, due to the size of the clamped tissue at the rear of the closing clip, the curvature radius of the inner hinge of the hinge connecting the rear of the first clip and the rear of the second clip is very small. When the clamp is clamped and released, the closing clip is continuously opened and closed for more than 15 times, which will cause the hinge at the rear of the closing clip to undergo plastic deformation and cause the clamp to fall off, affecting the normal use of the clamp applicator of the clamp applicator, and ultimately affecting the surgical efficiency and experience of clinicians. The second unsatisfactory aspect of this type of closing clip is that when the small or large size closing clip is partially closed and installed in the extension assembly with an outer diameter of 5.5mm or 10mm of the actuator assembly of the clamp applicator of the continuous clamp applicator for more than 1 hour, the hinge at the rear of the closing clip will gradually undergo plastic deformation due to material creep caused by stress and elongation, and the longer the time, the greater the plastic deformation. The greater the plastic deformation, the smaller the amplitude of the front of the first and second clips opening each other by the hinge piece relying on its own rebound effect. Minor surgeries using closing clips take 1-2 hours, medium surgeries take 2-3 hours, and major surgeries take 3-4 hours. Therefore, 2 hours after the closing clip is partially closed, the plastic deformation of the hinge piece often causes the clip to fall off, affecting the normal use of the clamp applicator for continuous clamping of the closing clip, and ultimately affecting the surgical efficiency and experience of the clinician.The third unsatisfactory aspect of this style of closing clamp is that after the closing clamp clamps the tissue, the lower pressing block of the first clamp and the upper pressing block of the second clamp protrude from the left and right sides of the closing clamp, which will compress and scratch the tissue around the closing clamp, especially the tip of the upper pressing block of the second clamp will scratch the tissue around the closing clamp. The fourth unsatisfactory aspect of this style of closing clamp is that after the tissue is placed in the V-shaped closing clamp, as the closing clamp is opened and closed, the tissue is gradually pushed into the hook; when the closing clamp clamps the tissue, if the tip of the upper pressing block of the second clamp does not pull the tissue entering the hook out of the hook, the block of the second clamp cannot be normally clamped into the hook of the first clamp, so that the tissue cannot be accurately clamped between the first clamping surface of the first clamp and the second clamping surface of the second clamp, resulting in a clamping accident, or the need to take an auxiliary operation to pull out the tissue entering the hook, affecting the surgical efficiency and experience of the clinician. Summary of the invention

[0005] The closing clamp with a lower opening rod of the present invention comprises a first clamp located at the bottom and a second clamp located at the top. The front parts of the first clamp and the second clamp are opened to each other to form a V-shaped closing clamp. The first clamp has a hook at the front upper part and a first clamping surface at the upper part. The second clamp has a block at the front part and a second clamping surface at the lower part. The material of the closing clamp can be a bio-non-degradable material or a bio-non-absorbable material, and the material of the closing clamp can also be a bio-degradable material or a bio-absorbable material. When the first clamp and the second clamp of the closing clamp clamp tissue, the first clamp and the second clamp close to each other, so that the block of the second clamp is clamped into the hook of the first clamp, and the tissue is clamped between the first clamping surface of the first clamp and the second clamping surface of the second clamp.

[0006] The rear part of the closing clip is provided with a lower opening rod extending backward and downward. When the lower opening rod is pushed forward, a forward thrust and a moment are generated at the rear part of the closing clip, wherein the thrust makes the closing clip tend to move forward, and the moment makes the closing clip tend to increase the opening range of the front parts of the first clip and the second clip.

[0007] The closing clamp with a lower opening rod of the present invention may include a hinge. The hinge of the closing clamp connects the rear end of the first clamp and the rear end of the second clamp, connecting the first clamp, the second clamp and the hinge into one. The rebound effect of the hinge enables the front parts of the first clamp and the second clamp to open to each other. A lower opening rod extending backward and downward is provided below the rear side of the hinge. When the lower opening rod is subjected to a forward thrust, a forward thrust and a torque are generated below the rear side of the hinge, wherein the thrust causes the closing clamp to tend to move forward, and the torque causes the closing clamp to tend to increase the amplitude of the mutual opening of the front parts of the first clamp and the second clamp. When the first clamp and the second clamp of the closing clamp are closed to each other, the first clamp and the second clamp overcome the bending deformation force of the hinge.

[0008] Even if the small or large-sized closing clip parts of the present invention are partially closed and installed in the extension component with an outer diameter of 5.5mm or 10mm of the actuator component of the clamping pliers of the continuous clamping closing clip for more than 4 hours, the hinge of the closing clip gradually undergoes large plastic deformation due to material creep caused by stress and elongation, so that the opening range of the front parts of the first clamp and the second clamp is small. As long as the clamping pliers of the continuous clamping closing clip apply a forward thrust to the lower opening rod of the closing clip, the torque generated on the hinge can make the closing clip increase the opening range of the front parts of the first clamp and the second clamp, thereby achieving the technical effect of preventing the plastic deformation of the hinge from being too large, resulting in problems such as clip falling and clamping.

[0009] The hinge piece of the closing clip with the lower opening rod of the present invention may include an outer hinge piece and an inner hinge piece. A hinge groove is provided between the outer hinge piece and the inner hinge piece. The hinge groove extends forward from the connection between the hinge piece and the first clip piece to form an extension groove. The extension groove forms a secondary outer hinge piece and a secondary inner hinge piece at the rear of the first clip piece. The outer hinge piece and the secondary outer hinge piece of the closing clip form an integral outer hinge piece, and the inner hinge piece and the secondary inner hinge piece form an integral inner hinge piece. The rebound effect of the integral outer hinge piece and the integral inner hinge piece enables the front parts of the first clip piece and the second clip piece to open to each other. A lower opening rod extending backward and downward is provided at the lower rear side of the integral outer hinge piece. When the lower opening rod is subjected to a forward thrust, a forward thrust and a moment are generated at the lower rear side of the integral outer hinge piece, wherein the thrust causes the closing clip to tend to move forward, and the moment causes the closing clip to tend to increase the amplitude of the mutual opening of the front parts of the first clip piece and the second clip piece. When the first and second clamps of the closing clip are closed together, the first and second clamps overcome the bending deformation force of the integral outer hinge piece and the integral inner hinge piece. When the first and second clamps of the closing clip clamp tissue, the first and second clamps close to each other, so that the clamping block of the second clamp is clamped into the clamping hook of the first clamp, and the tissue is clamped between the first clamping surface of the first clamp and the second clamping surface of the second clamp.

[0010] Due to the limitation of the size of the tissue clamped at the rear of the closing clamp, the radius of curvature of the inner hinge of the hinge is very small. Therefore, in order to reduce the gradual plastic deformation of the hinge of the small or large-sized closing clamp installed in the extension component with an outer diameter of 5.5mm or 10mm of the clamping forceps of the continuous clamping closing clamp due to material creep, a technical solution of extending the hinge can be adopted to reduce the stress and elongation rate distributed on the hinge after the closing clamp is partially closed. Therefore, even if the small or large-sized closing clamp of the present invention is partially closed and installed in the extension component with an outer diameter of 5.5mm or 10mm of the clamping forceps of the continuous clamping closing clamp for more than 4 hours, the gradual plastic deformation of the overall outer hinge of the closing clamp due to material creep is also small, thereby achieving the technical effect of preventing the plastic deformation of the overall outer hinge from causing problems such as clip drop and clamp jam.

[0011] The first clip of the closing clip with a lower opening rod of the present invention may have a first boosting protrusion at the rear. The first boosting protrusion has a first boosting surface. The second clip may have a second boosting surface at the rear. When the first clip and the second clip of the closing clip overcome the bending deformation of the hinge piece and close to each other, the first boosting surface on the first boosting protrusion presses against the second boosting surface.

[0012] The first clip of the closing clip may have a first boosting protrusion at the rear, and the second clip may have a second boosting protrusion at the rear of the second clamping surface. The first boosting protrusion has a first boosting surface. The second boosting protrusion has a second boosting surface. When the first clip and the second clip of the closing clip are closed to each other, the first boosting protrusion is located at the rear side of the second boosting protrusion; at this time, the first boosting surface on the first boosting protrusion presses against the second boosting surface on the second boosting protrusion.

[0013] The rear portion of the first clip of the closing clip may have a first rear protrusion extending backward toward the hinge piece, and the rear portion of the second clip may have a second rear protrusion extending backward toward the hinge piece. A first gap is formed between the lower half of the hinge piece and the first rear protrusion of the first clip, and a second gap is formed between the upper half and the second rear protrusion of the second clip. When the first clip and the second clip of the closing clip are closed to each other, the hinge piece is bent and deformed, passes over the first gap and the second gap, and is tightened on the first rear protrusion of the rear portion of the first clip and the second rear protrusion of the rear portion of the second clip, so as to keep the rear portion of the first clip and the rear portion of the second clip closed to each other.

[0014] Since the force exerted on the first clamping surface of the first clamping piece and the force exerted on the second clamping piece by the tissue clamped between the first clamping surface and the second clamping surface of the second clamping piece forms a torque at the elastic hinge piece of the polymer closing clamp, the first boosting surface is pressed against the second boosting surface or the hinge piece is tightened on the first rear protrusion at the rear of the first clamping piece and the second rear protrusion at the rear of the second clamping piece, which can prevent the above torque from twisting the elastic hinge piece of the closing clamp, thereby achieving the technical effect of keeping the tissue clamped between the first clamping surface of the first clamping piece and the second clamping surface of the second clamping piece. Since the first rear protrusion of the first clamping piece extends backward toward the hinge piece or the first rear protrusion of the first clamping piece and the second rear protrusion of the second clamping piece extend backward toward the hinge piece, even if the curvature radius of the hinge piece is large, the rear part of the first clamping piece and the rear part of the second clamping piece can be kept closed to each other. The hinge piece with a large curvature radius can significantly reduce plastic deformation and will not produce yield deformation, which is suitable for both the clamping forceps for continuously clamping the closing clamp and the clamping forceps for single clamping the closing clamp. When the open part of the closing clip is closed and installed in the actuator of the clamp applicator of the continuous clamping closing clip, the hinge piece at the rear of the closing clip undergoes elastic deformation, which is particularly suitable for the clamp applicator of the continuous clamping closing clip. Therefore, the closing clip with the lower opening rod of the present invention avoids the problem of the existing closing clip hinge piece being plastically deformed and causing the clip to fall off, does not affect the normal use of the clamp applicator of the clamping closing clip, and achieves the technical effect of improving the surgical efficiency and experience of clinicians.

[0015] The rear parts of the first clip and the second clip of the closing clip with the lower opening rod of the present invention can be rotatably connected to each other. The rear part of the second clip is provided with a lower opening rod extending backward and downward. When the lower opening rod is pushed forward, a forward thrust and a moment are generated at the rear part of the second clip, wherein the thrust causes the closing clip to tend to move forward, and the moment causes the rear parts of the first clip and the second clip of the closing clip to tend to rotate relative to each other, tending to increase the amplitude of the mutual opening of the front parts of the first clip and the second clip of the closing clip.

[0016] The rear part of the first clip of the closing clip may have a rotating hole with an opening at the front, and the rear part of the second clip may have a rotating shaft. After the rotating shaft of the second clip is inserted into the rotating hole of the elastically deformed first clip, the rotating shaft of the second clip is constrained in the rotating hole after the rebound of the first clip, forming a mutual rotation connection between the rear parts of the first clip and the second clip. There may be a plug hole at the rear lower part of the rotating hole of the first clip of the closing clip. There may be a lower opening rod on the rotating shaft of the second clip. When the rotating shaft of the second clip is inserted into the rotating hole of the first clip, the lower opening rod on the rotating shaft of the second clip is inserted into the plug hole of the rotating hole of the first clip. When the lower opening rod slides in the plug hole, the lower opening rod drives the rear parts of the first clip and the second clip to rotate relative to each other, so that the front parts of the first clip and the second clip are opened relative to each other. After the first clip and the second clip of the closing clip clamp the tissue, the plug hole blocks the lower opening rod from moving left and right in the plug hole. There may be a stopper on the side of the first clip of the closing clip. When the opening rod drives the rear parts of the first clip and the second clip to rotate relative to each other, the stopper of the first clip prevents the first clip from swinging up and down. The rear part of the first clip of the closing clip may have an upper opening rod extending rearward and upward. When the upper opening rod and the lower opening rod are pushed forward, a forward thrust and a moment are generated at the rear parts of the first clip and the second clip, respectively, wherein the thrust causes the closing clip to tend to move forward, and the moment causes the rear parts of the first clip and the second clip of the closing clip to tend to rotate relative to each other, tending to increase the amplitude of the mutual opening of the front parts of the first clip and the second clip of the closing clip.

[0017] Since the rear parts of the first clamp piece and the second clamp piece of the closing clamp of the present invention are rotatably connected to each other and the torque acting on the lower opening rod tends to increase the opening range of the front parts of the first clamp piece and the second clamp piece of the closing clamp, the function of the hinge piece in the known closing clamp to open the closing clamp is replaced. Therefore, after the closing clamp of the present invention is installed in the extension component of the actuator component of the clamping pliers of the continuous clamping closing clamp after closing, it will not undergo plastic deformation even after several years, thereby achieving the technical effect of avoiding the hinge piece in the known closing clamp from falling off due to excessive plastic deformation caused by the long closing time. The closing clamp is particularly suitable for being pre-installed in the clamping pliers of the continuous clamping closing clamp.

[0018] The first clip of the closing clip with a lower opening rod of the present invention may have a guide block above the hook, and a stopper may be provided inside the hook. A guide groove may be provided below the block of the second clip. When the first clip and the second clip of the closing clip clamp the tissue, the first clip and the second clip close each other, and the guide groove of the block of the second clip slides along the guide block of the hook of the first clip, so that the block of the second clip is clamped into the hook of the first clip; at this time, the guide groove of the block is clamped on the stopper inside the hook, so that the block of the second clip is constrained in the hook of the first clip.

[0019] After the block of the second clamp is inserted into the hook of the first clamp, the guide groove of the block is stuck on the block in the hook to prevent the first clamp and the second clamp from moving left and right. On the first hand, there are no upper and lower pressing blocks of the closing clamp protruding from both sides of the closing clamp, which reduces the external dimensions of the closing clamp, and achieves the technical effect that the small-sized or large-sized closing clamp parts are respectively installed in the extension component with an outer diameter of 5.5mm or 10mm of the actuator component of the clamping forceps of the continuous clamping closing clamp after closing, and the closing clamp that clamps the tissue occupies a smaller volume in the human body, so as to achieve the technical effect of not compressing, abrading and scratching the tissue around the closing clamp; on the second hand, when the tissue is placed in the V-shaped closing clamp, as the closing clamp is opened and closed, the block in the hook prevents the tissue from being pushed into the hook, so that the block of the second clamp is inserted into the hook of the first clamp, and the tissue is accurately clamped between the first clamping surface of the first clamp and the second clamping surface of the second clamp, so as to avoid the accident of clamping, and achieve the technical effect of improving the surgical efficiency and experience of clinicians. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a diagram showing the appearance of a known closing clip when it is opened; Figure 2 Yes means Figure 1 The appearance of the closing clip when it is partially closed; Figure 3 Yes means Figure 1 Figure 1 shows the appearance of the closure clip when it is closed; Figure 4 is an appearance diagram showing the closing clip of the first embodiment of the present invention when it is opened; Figure 5 Yes means Figure 4 The appearance of the closing clip when it is partially closed; Figure 6 Yes means Figure 4 Figure 1 shows the appearance of the closure clip when it is closed; Figure 7 is an appearance diagram showing a closing clip of a second embodiment of the present invention when it is opened; Figure 8 Yes means Figure 7 The appearance of the closing clip in another direction; Fig. 9 Yes means Figure 7 The appearance of the closing clip when it is partially closed; Fig.10 Yes means Fig. 9 The appearance of the closing clip in another direction; Fig.11 Yes means Figure 7 Figure 1 shows the appearance of the closure clip when it is closed; Fig.12 Yes means Fig.11The appearance of the closing clip in another direction; Fig.13 is an appearance diagram showing a closing clip of a third embodiment of the present invention when it is opened; Fig.14 Yes means Fig.13 The appearance of the closing clip in another direction; Fig.15 Yes means Fig.13 The appearance of the closing clip when closed; Fig.16 Yes means Fig.15 The appearance of the closing clip in another direction; Fig.17 Yes means Fig.13 Figure 1 shows the appearance of the closure clip when it is closed; Fig.18 Yes means Fig.17 The appearance of the closing clip in another direction; Fig.19 is an appearance diagram showing a closing clip of a fourth embodiment of the present invention when it is opened; Fig. 20 Yes means Fig.19 The appearance of the closing clip in another direction; Fig.21 Yes means Fig.19 The appearance of the closing clip when closed; Fig. 22 Yes means Fig.21 The appearance of the closing clip in another direction; Fig.23 Yes means Fig.19 Figure 1 shows the appearance of the closure clip when it is closed; Fig.24 Yes means Fig.23 The appearance of the closing clip in another direction; Fig.25 Yes means Fig.19 An appearance diagram of a first clip of a closing clip; Fig.26 Yes means Fig.25 An appearance diagram of the first clip in another direction; Fig. 27 Yes means Fig.19 An appearance diagram of the second clip of the closing clip; Fig.28 is an appearance diagram showing a closing clip of a fifth embodiment of the present invention when it is opened; Fig.29 Yes means Fig.28 The appearance of the closing clip in another direction; Fig.30 Yes means Fig.28The appearance of the closing clip when closed; Fig.31 Yes means Fig.30 The appearance of the closing clip in another direction; Fig.32 Yes means Fig.28 Figure 1 shows the appearance of the closure clip when it is closed; Fig.33 Yes means Fig.32 The appearance of the closing clip in another direction; Fig.34 Yes means Fig.28 An appearance diagram of a first clip of a closing clip; Fig.35 Yes means Fig.34 An appearance diagram of the first clip in another direction; Fig.36 Yes means Fig.28 An appearance diagram of the second clip of the closing clip; Fig.37 is an appearance diagram showing a closing clip of a sixth embodiment of the present invention when it is opened; Fig.38 Yes means Fig.37 Figure 2 shows the appearance of the closure clip when clamped. Implementation

[0021] The following is a description of the best embodiment of the closing clamp with a lower opening rod of the present invention by way of example and in conjunction with the accompanying drawings. With reference to the detailed description of the best embodiment, the implementation method for achieving the above and other purposes and advantages of the present invention will be more clearly understood. The terms of position and direction of "rear", "front", "left", "right", "upper" and "lower" can be understood based on the accompanying drawings and the following description. In order to highlight the graphics and description of the closing clamp with a lower opening rod of the present invention, other technical features are not described in detail in the accompanying drawings. For the structure, installation, use and operation process of various closing clamps and clamp applicators, reference can be made to the patents cited in this specification and other related documents.

[0022] Figures 4 to 6The closing clip 21 with a lower opening rod of the first embodiment of the present invention described herein has a first clip 22, a second clip 23 and a hinge 24. The hinge 24 of the closing clip 21 connects the rear end of the first clip 22 located below and the rear end of the second clip 23 located above, and connects the first clip 22, the second clip 23 and the hinge 24 into one. The hinge 24 has an outer hinge 25 and an inner hinge 26. A hinge groove 27 is provided between the outer hinge 25 and the inner hinge 26. A hook 28 is provided at the front upper part of the first clip 22, and a first clamping surface 29 is provided at the upper part. A block 30 is provided at the front part of the second clip 23, and a second clamping surface 31 is provided at the lower part. The hinge groove 27 of the closing clip 21 extends forward from the connection between the hinge 24 and the first clip 22 to form an extension groove 32. The extension groove 32 forms a secondary outer hinge 33 and a secondary inner hinge 34 at the rear part of the first clip 22. The outer hinge piece 25 and the auxiliary outer hinge piece 33 of the closing clip 21 form an integral outer hinge piece 35, and the inner hinge piece 26 and the auxiliary inner hinge piece 34 form an integral inner hinge piece 36. The rebound effect of the integral outer hinge piece 35 and the integral inner hinge piece 36 causes the front parts of the first clamp piece 22 and the second clamp piece 23 to open each other, forming a V-shaped closing clip 21. When the first clamp piece 22 and the second clamp piece 23 of the closing clip 21 are closed together, the first clamp piece 22 and the second clamp piece 23 overcome the bending deformation force of the integral outer hinge piece 35 and the integral inner hinge piece 36. When the first clamp piece 22 and the second clamp piece 23 of the closing clip 21 clamp tissue (not shown), the first clamp piece 22 and the second clamp piece 23 are closed together, so that the clamping block 30 of the second clamp piece 23 is clamped into the clamping hook 28 of the first clamp piece 22, and the tissue is clamped between the first clamping surface 29 of the first clamp piece 22 and the second clamping surface 31 of the second clamp piece 23.

[0023] A lower opening rod 37 extending downward and backward is provided at the lower rear side of the integral outer hinge piece 35. When the lower opening rod 37 is pushed forward, a forward thrust and a moment are generated at the lower rear side of the integral outer hinge piece 35, wherein the thrust causes the closing clip 21 to tend to move forward, and the moment causes the closing clip 21 to tend to increase the opening range of the front parts of the first clip piece 22 and the second clip piece 23.

[0024] Figures 7 to 12The closing clip 41 with a lower opening rod of the second embodiment of the present invention described in the description has a first clip 42, a second clip 43 and a hinge 44. The hinge 44 of the closing clip 41 connects the rear end of the first clip 42 located below and the rear end of the second clip 43 located above, and connects the first clip 42, the second clip 43 and the hinge 44 into one. The first clip 42 has a hook 45 at the front upper part and a first clamping surface 46 at the upper part. The first clip 42 has a first boosting protrusion 47 at the rear part. The first boosting protrusion 47 has a first boosting surface 48. The second clip 43 has a block 49 at the front part and a second clamping surface 50 at the lower part. The second clip 43 has a second boosting protrusion 51 at the rear part. The second boosting protrusion 51 has a second boosting surface 52. The rebound effect of the hinge 44 causes the front parts of the first clip 42 and the second clip 43 to open each other, forming a V-shaped closing clip 41. The lower rear side of the hinge 44 has a lower opening rod 53 extending backward and downward. When the lower opening rod 53 is pushed forward, a forward thrust and a moment are generated at the lower rear side of the hinge piece 44, wherein the thrust causes the closing clip 41 to tend to move forward, and the moment causes the closing clip 41 to tend to increase the opening range of the front parts of the first clip 42 and the second clip 43. When the first clip 42 and the second clip 43 of the closing clip 41 are closed together, the first clip 42 and the second clip 43 overcome the bending deformation force of the hinge piece 44. When the first clip 42 and the second clip 43 of the closing clip 41 clamp tissue (not shown), the first clip 42 and the second clip 43 are closed together, so that the block 49 of the second clip 43 is clamped into the hook 45 of the first clip 42, and the tissue is clamped between the first clamping surface 46 of the first clip 42 and the second clamping surface 50 of the second clip 43. When the first clip 42 and the second clip 43 of the closing clip 41 overcome the force of the bending deformation of the hinge piece 44 and close to each other, the first assisting protrusion 47 is located on the rear side of the second assisting protrusion 51; at this time, the first assisting surface 48 on the first assisting protrusion 47 presses against the second assisting surface 52 on the second assisting protrusion 51.

[0025] like Figures 7 to 12 As shown, there is a guide block 54 above the hook 45 of the first clip 42 of the closing clip 41, and a stopper 55 inside the hook 45. There is a guide groove 56 below the block 49 of the second clip 43. When the first clip 42 and the second clip 43 of the closing clip 41 clamp the tissue, the first clip 42 and the second clip 43 are closed to each other, and the guide groove 56 of the block 49 of the second clip 43 slides along the guide block 54 of the hook 45 of the first clip 42, so that the block 49 of the second clip 43 is clamped into the hook 45 of the first clip 42; at this time, the guide groove 56 of the block 49 is clamped on the stopper 55 inside the hook 45, so that the block 49 of the second clip 43 is constrained in the hook 45 of the first clip 42.

[0026] Figures 13 to 16The third embodiment of the present invention described in the closed clip 61 with a lower opening rod comprises a first clip 62, a second clip 63 and a hinge 64. The hinge 64 of the closed clip 61 connects the rear end of the first clip 62 located below and the rear end of the second clip 63 located above, and connects the first clip 62, the second clip 63 and the hinge 64 into one. The first clip 62 has a hook 65 at the front upper part and a first clamping surface 66 at the upper part. The first clip 62 has a first boosting protrusion 67 at the rear part. The first boosting protrusion 67 has a first boosting surface 68. The second clip 63 has a block 69 at the front part and a second clamping surface 70 at the lower part. The second clip 63 has a second boosting surface 72 at the rear part. The rebound effect of the hinge 64 causes the front parts of the first clip 62 and the second clip 63 to open each other, forming a V-shaped closed clip 61. The lower rear side of the hinge 64 has a lower opening rod 73 extending backward and downward. When the lower opening rod 73 is pushed forward, a forward thrust and a moment are generated below the rear side of the hinge piece 64, wherein the thrust causes the closing clip 61 to tend to move forward, and the moment causes the closing clip 61 to tend to increase the opening range of the front parts of the first clip 62 and the second clip 63. When the first clip 62 and the second clip 63 of the closing clip 61 are closed together, the first clip 62 and the second clip 63 overcome the bending deformation force of the hinge piece 64. When the first clip 62 and the second clip 63 of the closing clip 61 clamp tissue (not shown), the first clip 62 and the second clip 63 are closed together, so that the block 69 of the second clip 63 is clamped in the hook 65 of the first clip 62, and the tissue is clamped between the first clamping surface 66 of the first clip 62 and the second clamping surface 70 of the second clip 63. When the first clamping piece 62 and the second clamping piece 63 of the closing clamp 61 overcome the bending deformation of the hinge piece 64 and close to each other, the first assisting surface 68 on the first assisting protrusion 67 presses against the second assisting surface 72 (see Fig.17 and Fig.18 ).

[0027] like Figures 13 to 16 As shown, there is a guide block 74 above the hook 65 of the first clip 62 of the closing clip 61, and a stopper 75 inside the hook 65. There is a guide groove 76 below the block 69 of the second clip 63. When the first clip 62 and the second clip 63 of the closing clip 61 clamp the tissue, the first clip 62 and the second clip 63 are closed to each other, and the guide groove 76 of the block 69 of the second clip 63 slides along the guide block 74 of the hook 65 of the first clip 62, so that the block 69 of the second clip 63 is clamped into the hook 65 of the first clip 62; at this time, the guide groove 76 of the block 69 is clamped on the stopper 75 inside the hook 65, so that the block 69 of the second clip 63 is constrained in the hook 65 of the first clip 62 (see Fig.17 and Fig.18 ).

[0028] Figures 19 to 27The fourth embodiment of the present invention described herein has a closing clamp 81 with a lower opening rod, which includes a first clamp 82 located at the bottom and a second clamp 83 located at the top. The front parts of the first clamp 82 and the second clamp 83 are open to each other, forming a V-shaped closing clamp 81. The first clamp 82 has a hook 84 at the front upper part, and a first clamping surface 85 at the upper part. The second clamp 83 has a block 86 at the front part, and a second clamping surface 87 at the lower part. When the first clamp 82 and the second clamp 83 of the closing clamp 81 clamp tissue (not shown), the first clamp 82 and the second clamp close 83 to each other, so that the block 86 of the second clamp 83 is clamped in the hook 84 of the first clamp 82, clamping the tissue between the first clamping surface 85 of the first clamp 82 and the second clamping surface 87 of the second clamp 83 (see FIG. 2 ). Fig.23 and Fig.24 ).

[0029] like Figures 19 to 27 As shown, the first clamping piece 82 of the closing clamp 81 and the rear part of the second clamping piece 83 are rotatably connected to each other. The rear part of the second clamping piece 83 has a lower opening rod 88 extending backward and downward (see Fig. 27 When the lower opening rod 88 is pushed forward, a forward thrust and a moment are generated at the rear of the second clamp 83, wherein the thrust causes the closing clamp 81 to tend to move forward, and the moment causes the closing clamp 81 to tend to increase the opening range of the front parts of the first clamp 82 and the second clamp 83. The rear part of the first clamp 82 of the closing clamp 81 has a rotating hole 89 with a front opening, and the rear part of the second clamp 83 has a rotating shaft 90 (see Figure 25 to Figure 27 After the rotation shaft 90 of the second clip 83 is inserted into the elastically deformed rotation hole 89 of the first clip 82, the rotation shaft 90 of the second clip 83 is constrained in the rotation hole 89 of the first clip 82 after rebounding, forming a mutual rotation connection between the first clip 82 and the rear of the second clip 83. There is an insertion hole 91 (see FIG. 1 ) at the rear lower part of the rotation hole 89 of the first clip 82 of the closing clip 81. Fig.25 and Fig.26 The second clamping piece 83 has a lower opening rod 88 on the rotating shaft 90 (see Fig. 27 ). When the rotating shaft 90 of the second clip 83 is inserted into the rotating hole 89 of the first clip 82, the lower opening rod 88 on the rotating shaft 90 of the second clip 83 is inserted into the insertion hole 91 of the rotating hole 89 of the first clip 82. When the lower opening rod 88 slides in the insertion hole 91, the lower opening rod 88 drives the rear parts of the first clip 82 and the second clip 83 to rotate relative to each other, so that the front parts of the first clip 82 and the second clip 83 open relative to each other. After the first clip 82 and the second clip 83 of the closing clip 81 clamp the tissue, the insertion hole 91 blocks the second opening rod 88 from moving left and right in the insertion hole 91. There is a stopper 92 on the side of the first clip 82 of the closing clip 81. When the opening rod 88 drives the rear parts of the first clip 82 and the second clip 83 to rotate relative to each other, the stopper 92 of the first clip 82 prevents the first clip 82 from swinging up and down.

[0030] A guide block 94 is provided above the hook 84 of the first clamping piece 82 of the closing clamp 81, and a stopper 95 is provided inside the hook 84 (see FIG. Fig.25 and Fig.26 There is a guide groove 96 below the block 96 of the second clamping piece 83 (see Fig. 27 When the first clip 82 and the second clip 83 of the closing clip 81 clamp the tissue, the first clip 82 and the second clip 83 close each other, and the guide groove 96 of the block 86 of the second clip 83 slides along the guide block 94 of the hook 84 of the first clip 82, so that the block 86 of the second clip 83 is clamped into the hook 84 of the first clip 82; at this time, the guide groove 96 of the block 86 is clamped on the stopper 95 in the hook 84, and the block 86 of the second clip 83 is constrained in the hook 84 of the first clip 82 (see Fig.23 and Fig.24 ).

[0031] Figures 28 to 36 The fifth embodiment of the present invention described in the closing clamp 101 with a lower opening rod has a first clamp 102 located at the bottom and a second clamp 103 located at the top. The front parts of the first clamp 102 and the second clamp 103 are opened to each other to form a V-shaped closing clamp 101. A hook 104 is provided at the front upper part of the first clamp 102, and a first clamping surface 105 is provided at the upper part. A block 106 is provided at the front part of the second clamp 103, and a second clamping surface 107 is provided at the lower part. When the first clamp 102 and the second clamp 103 of the closing clamp 101 clamp a tissue (not shown), the first clamp 102 and the second clamp 103 are closed to each other, so that the block 106 of the second clamp 103 is clamped into the hook 104 of the first clamp 102, and the tissue is clamped between the first clamping surface 105 of the first clamp 102 and the second clamping surface 107 of the second clamp 103.

[0032] like Figure 28 to Figure 33 As shown, the first clamping piece 102 and the rear part of the second clamping piece 103 of the closing clamp 101 are rotatably connected to each other. The rear part of the first clamping piece 102 has an upper opening rod 118 extending backward and upward (see Fig.34 and Fig.35 The rear portion of the second clamping piece 103 has a lower opening rod 108 extending rearward and downward (see Fig.36 ). When the upper opening rod 118 and the lower opening rod 108 are pushed forward, a forward thrust and a moment are generated at the rear of the first clip 102 and the second clip 103, respectively, wherein the thrust causes the closing clip 101 to tend to move forward, and the moment causes the rear of the first clip 102 and the second clip 103 of the closing clip 101 to tend to rotate relative to each other, tending to increase the amplitude of the mutual opening of the front of the first clip 102 and the second clip 103 of the closing clip 101. The rear of the first clip 102 of the closing clip 101 has a rotating hole 109 with a front opening, and the rear of the second clip 103 has a rotating shaft 110 (see Figure 34 to Figure 36 ). After the rotation axis 110 of the second clip 103 is inserted into the elastically deformed rotation hole 109 of the first clip 102, the rotation axis 110 of the second clip 103 is constrained in the rotation hole 109 of the first clip 102 after rebounding, forming a mutual rotation connection between the first clip 102 and the rear of the second clip 103. There is an insertion hole 111 at the rear lower part of the rotation hole 109 of the first clip 102 of the closing clip 101 (see Fig.34 and Fig.35 The second clamping piece 103 has a lower opening rod 108 on the rotating shaft 110 (see Fig.36 ). When the rotating shaft 110 of the second clamp 103 is inserted into the rotating hole 109 of the first clamp 102, the lower opening rod 108 on the rotating shaft 110 of the second clamp 103 is inserted into the insertion hole 111 of the rotating hole 109 of the first clamp 102. When the lower opening rod 108 slides in the insertion hole 111, the lower opening rod 108 drives the rear parts of the first clamp 102 and the second clamp 103 to rotate relative to each other, so that the front parts of the first clamp 102 and the second clamp 103 are opened relative to each other. After the first clamp 102 and the second clamp 103 of the closing clamp 101 clamp the tissue, the insertion hole 111 blocks the lower opening rod 108 from moving left and right in the insertion hole 111.

[0033] A guide block 114 is provided above the hook 104 of the first clamping piece 102 of the closing clamp 101, and a stopper 115 is provided inside the hook 104 (see Fig.34 and Fig.35 There is a guide groove 116 below the block 106 of the second clamping piece 103 (see Fig.36 ).like Figure 28 to Figure 33 As shown, when the first clip 102 and the second clip 103 of the closing clamp 101 clamp the tissue, the first clip 102 and the second clip 103 close each other, and the guide groove 116 of the block 106 of the second clip 103 slides along the guide block 114 of the hook 104 of the first clip 102, so that the block 106 of the second clip 103 is clamped into the hook 104 of the first clip 102; at this time, the guide groove 116 of the block 106 is clamped on the stop block 115 in the hook 104, so that the block 106 of the second clip 103 is constrained in the hook 104 of the first clip 102.

[0034] Fig.37 and Fig.38The sixth embodiment of the present invention described herein has a closing clip 121 with a lower opening rod, which includes a first clip 122, a second clip 123, and a hinge 124. The hinge 124 of the closing clip 121 connects the rear end of the first clip 122 located below and the rear end of the second clip 123 located above, and connects the first clip 122, the second clip 123, and the hinge 124 into one. The first clip 122 has a hook 125 at the front upper part, a first clamping surface 126 at the upper part, and a first rear protrusion 127 extending backward toward the hinge 124 at the rear. The second clip 123 has a block 129 at the front part, a second clamping surface 130 at the lower part, and a second rear protrusion 128 extending backward toward the hinge 124 at the rear. A first gap 131 is formed between the lower half of the hinge 124 and the first rear protrusion 127 of the first clip 122, and a second gap 132 is formed between the upper half and the second rear protrusion 128 of the second clip 123. The rebound effect of the hinge 124 causes the front parts of the first clip 122 and the second clip 123 to open each other, forming a V-shaped closed clip 121. A lower opening rod 133 extending backward and downward is provided at the lower rear side of the hinge 124. When the lower opening rod 133 is pushed forward, a forward thrust and a moment are generated at the lower rear side of the hinge 124, wherein the thrust causes the closed clip 121 to tend to move forward, and the moment causes the closed clip 121 to tend to increase the amplitude of the mutual opening of the front parts of the first clip 122 and the second clip 123. When the first clamping piece 122 and the second clamping piece 123 of the closing clamp 121 are closed together, the first clamping piece 122 and the second clamping piece 123 overcome the bending deformation force of the hinge piece 124. When the first clamping piece 122 and the second clamping piece 123 of the closing clamp 121 clamp tissue (not shown), the first clamping piece 122 and the second clamping piece 123 are closed together, so that the clamping block 129 of the second clamping piece 123 is clamped into the hook 125 of the first clamping piece 122, and the tissue is clamped between the first clamping surface 126 of the first clamping piece 122 and the second clamping surface 130 of the second clamping piece 123. When the first clip 122 and the second clip 123 of the closing clip 121 overcome the bending deformation force of the hinge piece 124 and close to each other, the hinge piece 124 bends and deforms, passes over the first gap 131 and the second gap 132, and is tightened on the first rear protrusion 127 at the rear of the first clip 122 and the second rear protrusion 128 at the rear of the second clip 123, keeping the rear of the first clip 122 and the rear of the second clip 123 closed to each other.

[0035] The various technical features, technical solutions and technical effects of the closing clamp with a lower opening rod in the above six embodiments of the present invention can be implemented individually, cross-implemented or combined to achieve the best technical effect.

Claims

1. A closing clamp with a lower opening rod, wherein the closing clamp comprises a first clamping piece located at the bottom and a second clamping piece located at the top; the front parts of the first clamping piece and the second clamping piece are opened to each other to form a V-shaped closing clamp; the first clamping piece has a hook at the front upper part and a first clamping surface at the top; the second clamping piece has a block at the front part and a second clamping surface at the bottom; when the first clamping piece and the second clamping piece of the closing clamp clamp tissue, the first clamping piece and the second clamping piece close to each other, so that the block of the second clamping piece is clamped into the hook of the first clamping piece, and the tissue is clamped between the first clamping surface of the first clamping piece and the second clamping surface of the second clamping piece; Features: The rear part of the closing clamp is provided with a lower opening rod extending rearward and downward; when the lower opening rod is subjected to a forward thrust, a forward thrust and a torque are generated at the rear part of the closing clamp, wherein the thrust causes the closing clamp to tend to move forward, and the torque causes the closing clamp to tend to increase the opening range of the front parts of the first clamp and the second clamp.

2. The closing clip with a lower opening lever according to claim 1, characterized in that: There is a hinge piece in the closing clamp; the hinge piece of the closing clamp connects the rear end of the first clamp and the rear end of the second clamp, connecting the first clamp, the second clamp and the hinge piece into one; the rebound effect of the hinge piece makes the front parts of the first clamp and the second clamp open to each other; the lower rear side of the hinge piece is provided with the lower opening rod extending backward and downward; when the lower opening rod is pushed forward, a forward thrust and a torque are generated at the lower rear side of the hinge piece, wherein the thrust makes the closing clamp tend to move forward, and the torque makes the closing clamp tend to increase the opening range of the front parts of the first clamp and the second clamp; when the first clamp and the second clamp of the closing clamp are closed to each other, the first clamp and the second clamp overcome the bending deformation force of the hinge piece.

3. The closure clip with a lower opening lever according to claim 2, characterized in that: The hinge piece of the closing clip includes an outer hinge piece and an inner hinge piece; a hinge groove is provided between the outer hinge piece and the inner hinge piece; the hinge groove extends forward from the connection between the hinge piece and the first clamp piece to form an extension groove; the extension groove forms the secondary outer hinge piece and the secondary inner hinge piece at the rear of the first clamp piece; the outer hinge piece and the secondary outer hinge piece of the closing clip constitute an integral outer hinge piece, and the inner hinge piece and the secondary inner hinge piece constitute an integral inner hinge piece; the rebound effect of the integral outer hinge piece and the integral inner hinge piece enables the front parts of the first clamp piece and the second clamp piece to open each other; the lower rear side of the integral outer hinge piece is provided with the lower opening rod extending backward and downward; when the lower opening rod is pushed forward When a force is applied, a forward thrust and a torque are generated at the lower rear side of the integral outer hinge piece, wherein the thrust causes the closing clamp to tend to move forward, and the torque causes the closing clamp to tend to increase the opening range of the front parts of the first clamp piece and the second clamp piece; when the first clamp piece and the second clamp piece of the closing clamp are closed to each other, the first clamp piece and the second clamp piece overcome the bending deformation force of the integral outer hinge piece and the integral inner hinge piece; when the first clamp piece and the second clamp piece of the closing clamp clamp the tissue, the first clamp piece and the second clamp piece close to each other, so that the clamping block of the second clamp piece is inserted into the clamping hook of the first clamp piece, and the tissue is clamped between the first clamping surface of the first clamp piece and the second clamping surface of the second clamp piece.

4. The closure clip with a lower opening lever according to claim 2, characterized in that: The first clip of the closing clip has a first assisting protrusion at the rear; the first assisting protrusion has a first assisting surface; the second clip has a second assisting surface at the rear; when the first clip and the second clip of the closing clip are closed to each other, the first assisting surface on the first assisting protrusion presses against the second assisting surface.

5. The closure clip with lower opening lever according to claim 4, characterized in that: The rear part of the second clip of the closing clamp is provided with a second assisting protrusion; the second assisting protrusion is provided with the second assisting surface; when the first clip and the second clip of the closing clamp are closed to each other, the first assisting protrusion is located at the rear side of the second assisting protrusion, and at this time, the first assisting surface on the first assisting protrusion presses against the second assisting surface on the second assisting protrusion.

6. The closure clip with a lower opening lever according to claim 2, characterized in that: The rear part of the first clip of the closing clip has a first rear protrusion extending backward toward the hinge piece, and the rear part of the second clip has a second rear protrusion extending backward toward the hinge piece; a first gap is formed between the lower half of the hinge piece and the first rear protrusion of the first clip, and a second gap is formed between the upper half and the second rear protrusion of the second clip; when the first clip and the second clip of the closing clip overcome the force of the bending deformation of the hinge piece and close to each other, the hinge piece bends and deforms, passes over the first gap and the second gap, and is tightened on the first rear protrusion at the rear of the first clip and the second rear protrusion at the rear of the second clip, thereby keeping the rear of the first clip and the rear of the second clip closed to each other.

7. The closure clip with lower opening lever according to claim 1, characterized in that: The rear part of the first clip of the closing clip is provided with a rotating hole with a front opening, and the rear part of the second clip is provided with a rotating shaft; after the rotating shaft of the second clip is inserted into the rotating hole of the first clip, the rotating shaft of the second clip is constrained in the rotating hole after the rebound of the first clip, forming a mutual rotation connection between the rear parts of the first clip and the second clip; the rear part of the second clip is provided with the lower opening rod extending backward and downward; when the lower opening rod is subjected to a forward thrust, a forward thrust and a torque are generated at the rear part of the second clip, wherein the thrust causes the closing clip to tend to move forward, and the torque causes the rear parts of the first clip and the second clip of the closing clip to tend to rotate relative to each other, tending to increase the amplitude of the mutual opening of the front parts of the first clip and the second clip of the closing clip.

8. The closure clip with lower opening lever according to claim 7, characterized in that: The first clip of the closing clip has an insertion hole at the lower rear of the rotation hole; the second clip has the lower opening rod on the rotating shaft; when the rotating shaft of the second clip is inserted into the rotation hole of the first clip, the lower opening rod on the rotating shaft of the second clip is inserted into the insertion hole of the rotation hole of the first clip; when the lower opening rod slides in the insertion hole, the lower opening rod drives the rear parts of the first clip and the second clip to rotate relative to each other, so that the front parts of the first clip and the second clip open relative to each other; after the first clip and the second clip of the closing clip clamp the tissue, the insertion hole blocks the lower opening rod from moving left and right in the insertion hole.

9. The closure clip with a lower opening lever according to claim 7, characterized in that: The rear part of the first clip of the closing clip is provided with an upper opening rod extending backward and upward; when the upper opening rod and the lower opening rod are subjected to a forward thrust, a forward thrust and a torque are respectively generated at the rear parts of the first clip and the second clip, wherein the thrust causes the closing clip to tend to move forward, and the torque causes the rear parts of the first clip and the second clip of the closing clip to tend to rotate relative to each other, tending to increase the extent to which the front parts of the first clip and the second clip of the closing clip open to each other.

10. The closure clip with lower opening lever according to claim 1, characterized in that: A guide block is provided above the hook of the first clip of the closing clip, and a stop block is provided inside the hook; a guide groove is provided below the block of the second clip; when the first clip and the second clip of the closing clip clamp the tissue, the first clip and the second clip close each other, and the guide groove of the block of the second clip slides along the guide block of the hook of the first clip, so that the block of the second clip is stuck in the hook of the first clip. At this time, the guide groove of the block is stuck on the stop block in the hook, so that the block of the second clip is constrained in the hook of the first clip.

Images