CN114403977B - Ligature clamp and clamping bin device - Google Patents
Ligature clamp and clamping bin device Download PDFInfo
- Publication number
- CN114403977B CN114403977B CN202210112935.3A CN202210112935A CN114403977B CN 114403977 B CN114403977 B CN 114403977B CN 202210112935 A CN202210112935 A CN 202210112935A CN 114403977 B CN114403977 B CN 114403977B
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- clamp
- clip
- clamping
- boss
- bin
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- 238000000034 method Methods 0.000 claims abstract description 25
- 230000008569 process Effects 0.000 claims abstract description 22
- 239000007787 solid Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 description 33
- 230000009286 beneficial effect Effects 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 4
- 210000004204 blood vessel Anatomy 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 230000023597 hemostasis Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000001356 surgical procedure Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000002439 hemostatic effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/122—Clamps or clips, e.g. for the umbilical cord
- A61B17/1222—Packages or dispensers therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/128—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for applying or removing clamps or clips
- A61B17/1285—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for applying or removing clamps or clips for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B2017/12004—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for haemostasis, for prevention of bleeding
Abstract
The invention provides a ligature clip, which comprises two clip arms, wherein one ends of the two clip arms are connected to form a closed tail part of the ligature clip, and the other ends are free ends; the two clamping arms are arc-shaped protruding towards the same direction; a boss is arranged on the outer side part of any clamping arm, one end of the boss is connected with the clamping arm, the other end of the boss is a free end, and the boss is positioned between the closed tail part and one half of the clamping arm; the ligature clamp is contained in the clamp bin, and in the clamp feeding process, the clamp feeding force direction of the ligature clamp is always parallel to the clamp bin through the boss. So that the feeding clamp is more stable. The invention also provides a cartridge device with the ligating clip.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a ligature clamp and a clamp bin device.
Background
To fully expose the surgical field during surgery, ligations of blood vessels around the target tissue are required to prevent bleeding. Hemostasis has become one of the cores of the basic surgical procedures, with little exception to any surgical procedure on any part of the human body involving bleeding and hemostasis, typically using clip appliers to ligate clips to close the hemostasis.
To improve surgical efficiency, clip appliers capable of continuously delivering clips have been developed. A plurality of ligature clips are stored in a clip bin of the clip applier of the continuous clip feeding device, after the clip applier completes the firing of one ligature clip to enable the clip to be closed, the next ligature clip can be immediately fed to a jaw for the next firing, and the continuous firing of the clip applier to the ligature clips is realized. The clip applier capable of continuously feeding clips comprises a polymer ligature clip applier, the polymer ligature clip applier is prone to the problems of mechanism blocking, clip feeding failure and the like in the actual use process, and finally the surgical time is prolonged, and the hemostatic effect is not timely.
Disclosure of Invention
First, the technical problem to be solved
In view of the problems with the above-described techniques, the present invention addresses, at least to some extent. Therefore, the invention provides the ligature clamp which enables the clamp to be more stable.
The invention also provides a cartridge device with the ligating clip.
(II) technical scheme
In order to achieve the above purpose, the main technical scheme adopted by the invention comprises the following steps:
on one hand, the invention provides a ligature clip, which comprises two clip arms, wherein one ends of the two clip arms are connected to form a closed tail part of the ligature clip, and the other ends are free ends; the two clamping arms are arc-shaped protruding towards the same direction; a boss is arranged on the outer side part of any clamping arm, one end of the boss is connected with the clamping arm, the other end of the boss is a free end, and the boss is positioned between the closed tail part and one half of the clamping arm; the ligature clamp is accommodated in the clamp bin, and in the clamp feeding process, the clamp feeding force direction of the ligature clamp is always parallel to the clamp bin shaft through the boss.
Optionally, the two clamping arms are a first clamping arm and a second clamping arm respectively, the first clamping arm is in an arc shape protruding towards the outside of the ligation clamp, and the second clamping arm is in an arc shape protruding towards the inside of the ligation clamp; the boss is arranged on the first clamping arm, the free end of the boss is provided with a first acting surface for abutting the clamping pushing piece, and the closed tail is provided with a second acting surface for abutting the clamping pushing piece; the ligating clip is received in the clip compartment with the first and second active surfaces being coplanar and the first active surface being perpendicular to the clip compartment.
Optionally, the two clamping arms are a first clamping arm and a second clamping arm respectively, the first clamping arm is in an arc shape protruding towards the outside of the ligation clamp, and the second clamping arm is in an arc shape protruding towards the inside of the ligation clamp; the boss sets up on the second arm lock, and ligature clamp holds in pressing from both sides the storehouse, and the free end butt of boss is on pressing from both sides the second lateral wall in storehouse, and first arm lock butt is on pressing from both sides the first lateral wall in storehouse, and the closed afterbody is located the middle part of pressing from both sides the storehouse left and right directions.
Optionally, the boss sets up on the second arm lock, and the ligature is pressed from both sides in holding the storehouse, and the free end of boss and the free end of second arm lock all butt are on holding the second lateral wall in storehouse, and the middle part butt of first arm lock is on holding the first lateral wall in storehouse.
Optionally, the boss is disposed on the second clamp arm, the ligation clamp is received in the clamp chamber, and the boss is perpendicular to the second sidewall of the clamp chamber.
Optionally, the boss is located at the closed tail to one third of the clip arm.
Optionally, the boss is located at the closed tail to one quarter of the clip arm.
Optionally, the boss is solid columnar.
In another aspect, the present invention provides a cartridge device comprising a cartridge housing a plurality of ligating clips as described above.
Optionally, the clamping bin is provided with a clamping bin bottom plate, at least one boss is arranged in the middle of the left-right direction of the clamping bin bottom plate and along the clamping direction, when the ligature clamp is used for clamping along the boss, the top of the boss can simultaneously support the tail of at least one ligature clamp, so that the plane of the tail of the ligature clamp is parallel to the plane of the bottom plate of the clamping bin.
(III) beneficial effects
The beneficial effects of the invention are as follows:
1. by arranging the boss 122 at a specific position on the outer side part of the second clamping arm (namely, the position from the closed tail part to the position of the second clamping arm 12) and when the ligature clamp is accommodated in the clamping bin, the free end of the boss 122 is abutted against the side wall of the clamping bin to prevent the deflection of the closed tail part caused by yielding of the ligature clamp, and the closed tail part is maintained at the middle part of the clamping bin in the left-right direction, so that the pushing force of the pushing clamp piece acting on the closed tail part can be parallel to the clamping bin shaft in the clamping process, the pushing force is reduced, the pushing clamp is facilitated, and the clamping is stable; meanwhile, as the boss 122 is arranged at the position from the tail part to one half of the second clamping arm 12, the boss 122 can not restrict the bending of the second clamping arm 12 in the closing process of the ligature clamp, thereby being beneficial to clamping the ligature clamp.
2. Through set up at least one boss in the middle part of pressing from both sides the storehouse bottom plate about the direction along sending the clamp direction, send the clamp in-process, the boss props up the closed afterbody of ligature clamp, reduces and send the upper and lower swing of the closed afterbody of clamp in-process ligature clamp, does benefit to the push clip and send the clamp, makes and send the clamp stable, reduces and send the dead condition of clamp card.
Drawings
The invention is described with the aid of the following figures:
FIG. 1 is a schematic view of a conventional ligating clip;
FIG. 2 is a schematic view of a conventional cartridge;
FIG. 3 is a schematic view of a plurality of the ligating clips of FIG. 1 received in a clip compartment;
FIG. 4 is a schematic view of the mating structure of the push clip and the clip magazine shown in FIG. 3;
fig. 5 is a schematic structural view of a ligating clip according to embodiment 1 of the present invention;
FIG. 6 is a schematic front view of FIG. 5;
FIG. 7 is a schematic view showing the structure of a cartridge according to embodiment 2 of the present invention;
FIG. 8 is an enlarged schematic view of the distal end of FIG. 7;
FIG. 9 is a schematic view of a plurality of the ligating clips of FIG. 5 received in the clip magazine of FIG. 7;
FIG. 10 is a schematic view of the mating structure of the push clip and the cartridge of FIG. 7;
FIG. 11 is a schematic front view of a ligating clip according to embodiment 3 of the invention;
fig. 12 is a schematic view showing a structure in which a ligating clip according to embodiment 4 of the present invention is accommodated in a clip compartment;
FIG. 13 is a schematic view of the mating structure of the pusher jaw and the cartridge of FIG. 12;
fig. 14 is an enlarged schematic view of the distal structure of the cartridge of fig. 13.
[ reference numerals description ]
11: a first clamp arm; 111: a latch hook;
12: a second clamp arm; 121: a hook groove; 122: a boss; 123: a V-shaped slot; 124: a first active surface; 125: a second active surface;
13: a clamp ligature clamp is put in;
14: a V-shaped through hole;
15: a tooth portion;
21: a first clamping post;
22: a second clamping post;
3: clamping a bin;
31: a clamping bin bottom plate; 311: the first elastic clamping position; 312: a clamp-in boss; 313: a feeding clamp boss;
32: a top plate of the clamping bin; 321: a first elastic pressing piece; 322: a second elastic pressing piece; 323: a compaction table;
4: pushing the clamping piece; 41: a push clip body; 411: the second elastic clamping position.
Detailed Description
It should be noted that "proximal" as referred to herein refers to a side closer to the operator, and "distal" refers to a side closer to the patient. References herein to "upper", "lower", "front", "rear", "left", "right", etc. azimuthal terms refer to the orientation of fig. 3, with the cartridge shaft being the longitudinal axis of the cartridge from proximal to distal.
In order to clearly illustrate the technical problem which the present invention actually solves, the following is explained by means of an exemplary ligation clip and a cartridge device of an exemplary clip applier. It should be understood, however, that the present ligation clips and cartridge devices presented herein should not be limited by the example ligation clips and cartridge devices of the example clip appliers described herein. Rather, these examples are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
As shown in fig. 1, a conventional ligature clip generally includes a first clip arm 11 and a second clip arm 12 connected to each other, one end of each of the two clip arms being connected to form a closed tail portion of the ligature clip, the other end being a free end, the free ends of the two clip arms being spaced apart from each other to form a V-shaped opening. The first clamping arm 11 is in an arc shape protruding towards the outside of the V-shaped opening, the second clamping arm 12 is in an arc shape protruding towards the inside of the V-shaped opening, a lock hook 111 bent towards the inside of the V-shaped opening is formed at the free end of the first clamping arm 11, and a hook groove 121 matched with the lock hook 111 is formed at the free end of the second clamping arm 12. In the closing process of the ligature clip (i.e. the process that the free ends of the two clip arms are close to each other), when the outer sides of the hook tips of the lock hooks 111 are propped against the free ends of the second clip arms 12, the ligature clip continues to be closed, the second clip arms 12 are bent until the hook tips of the lock hooks 111 pass over the free ends of the second clip arms 12, and the second clip arms 12 elastically recover, so that the inner side parts of the lock hooks 111 are clamped in the hook grooves 121, and the ligature clip is used for closing a blood vessel.
In order to facilitate the jaw of the clip applier to clamp the ligature clip, a first clamping column 21 is arranged at a position of the first clamping arm 11 close to the lock hook 111 (namely, a position close to the free end), the height direction of the first clamping column 21 is perpendicular to the side plane of the ligature clip, and two first clamping columns 21 are symmetrically arranged at two sides of the first clamping arm 11. In this embodiment, in fig. 1, two first clamping posts 21 are connected, but of course, they may be disconnected. The second clamping posts 22 are disposed at positions of the second clamping arms 12 close to the hook grooves 121 (i.e., positions close to the free ends), the height direction of the second clamping posts 22 is perpendicular to the side plane of the ligature clamp, two second clamping posts 22 are disposed symmetrically on two sides of the second clamping arms 12, in this embodiment, the two second clamping posts 22 are disconnected, and the hook grooves 121 are disposed between the two second clamping posts.
As shown in fig. 2 to 4, the clip magazine device of the ligating clip applier of a ligating polymer comprises a clip magazine 3 for accommodating a plurality of ligating clips and a push clip 4 for pushing the ligating clips. Wherein the plurality of ligating clips includes a distal-most ligating clip to be gripped 13 (ligating clip to be gripped) and ligating clips stored in a row proximal to the ligating clip to be gripped 13; the openings of the ligature clips are sequentially horizontally arranged on the bottom plate 31 of the clip cabin towards the clip feeding direction, the first clip arms 11 of the ligature clips are attached to the first side wall of the clip cabin 3, the second clip arms 12 of the ligature clips are attached to the second side wall of the clip cabin 3, and a plurality of first elastic clamping positions 311 which extend along the clip feeding direction and tilt upwards are arranged on the bottom plate 31 of the clip cabin at equal intervals; the push clip 4 comprises a push clip body 41 and a push clip head which are sequentially connected, the push clip head bends towards one side relative to the push clip body 41, the push clip body 41 covers the upper portion of the ligature clamp except the ligature clamp to be clamped, the push clip head stretches into the clamp bin 3 and is close to the closed tail of the ligature clamp 13 to be clamped, and a plurality of second elastic clamping positions 411 which extend in the clamp feeding direction and tilt downwards are arranged on the push clip body 41 at equal intervals.
Before the ligating clip applier feeds the clip, the first elastic clamping position 311 at the opposite most distal end of the ligating clip 13 to be clamped is closer to the distal end of the clip magazine 3, the clamping posts of the ligating clips except the ligating clip 13 to be clamped are positioned between the adjacent two first elastic clamping positions 311, and the second elastic clamping position 411 is positioned between the clamping posts of the adjacent ligating clips except the ligating clip 13 to be clamped. When the continuous clip applier feeds clips, the pushing clip 4 advances towards the distal end of the clip magazine, the tilting portion of the second elastic clamping position 411 gradually abuts against the first clamping post 21 and/or the second clamping post 22 of all the ligating clips except the ligating clip 13 to be clamped, and the head of the pushing clip abuts against the closed tail of the ligating clip 13 to be clamped. As the pusher jaw 4 continues to advance distally toward the cartridge 3, all of the ligating clips are urged distally toward the cartridge 3 until the pending clip ligating clip 13 enters the jaws, and the pusher jaw 4 ceases to advance distally toward the cartridge 3, during which all of the ligating clips except for the pending clip ligating clip 13 will pass beyond their distally adjacent first resilient detents 311. Then the pushing clip 4 advances towards the proximal end of the clip cabin 3, the head of the pushing clip and the second elastic card 411 can drive all the ligating clips except the ligating clip 13 to be clamped to advance towards the proximal end of the clip cabin 3, when all the ligating clips except the ligating clip 13 to be clamped are contacted with the first elastic clamping position 311, the first elastic clamping position 311 can stop all the ligating clips except the ligating clip 13 to be clamped from continuing to advance towards the proximal end of the clip cabin 3, and the head of the pushing clip and the second elastic card 411 can pass the ligating clips adjacent to the proximal end of the pushing clip 4 and then stop advancing towards the proximal end of the clip cabin 3 due to the elasticity of the head of the pushing clip and the second elastic card 411. The pushing clips 4 reciprocate in this way, delivering the ligating clips to the jaws in sequence.
The applicant finds through research that if the continuous hair applicator is designed according to the structure, the continuous hair clip applier is blocked by a mechanism in the actual use process, and the clip feeding failure mainly comprises the following factors:
1. the two clip arms of the ligature clip are arc-shaped protruding towards the same direction, and the ligature clip stored in the clip cabin can lead the closed tail part of the ligature clip to deviate to one side wall (the second side wall in the embodiment) of the clip cabin due to self yield force, as shown in fig. 3. In the clip feeding process, the pushing force acting on the tail of the closure cannot be parallel to the clip bin shaft, the required pushing force is large, the ligature clip is easy to enter the clip jaw to deflect, the mechanism is blocked, and the clip feeding fails.
2. Because the first clamping column and the second clamping column of the ligature clamp exist, the closed tail part of the ligature clamp stored in the clamp bin is in a suspended state, and the closed tail part of the ligature clamp can swing up and down in the clamp feeding process, so that the clamp is not beneficial to pushing the clamp, the clamp is unstable, and the clamp is blocked.
To this end, the invention proposes a ligature clip and a clip magazine device with stable clip feeding. The invention will be better explained by the following detailed description of the embodiments with reference to the drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein.
Example 1
As shown in fig. 5 and 6, the present embodiment provides a ligating clip having the structure of the ligating clip described above, and will not be described again.
In addition, a boss 122 is provided on an outer side portion of the second clamp arm 12 (i.e., a side portion of the second clamp arm 12 opposite to an inner side portion of the second clamp arm 12 for forming the V-shaped opening), one end of the boss 122 is a connection end to be connected with the second clamp arm 12, the other end of the boss 122 is a free end, and the boss 122 is located at the closed tail portion to one half of the second clamp arm 12; the ligature clamp is contained in the clamp bin, the free end of the boss 122 is abutted on the second side wall of the clamp bin, the first clamp arm 11 is abutted on the first side wall of the clamp bin, and the closed tail is located in the middle of the left-right direction of the clamp bin.
In this way, by arranging the boss 122 at a specific position on the outer side part of the second clamping arm (namely, the position from the closed tail part to the position of the second clamping arm 12), when the ligature clamp is accommodated in the clamping bin, the free end of the boss 122 is propped against the side wall of the clamping bin to prevent the deflection of the closed tail part caused by yielding of the ligature clamp, and the closed tail part is maintained at the middle part of the clamping bin in the left-right direction, so that the pushing force of the pushing clamping piece acting on the closed tail part can be parallel to the clamping bin shaft in the clamping process, the pushing force is reduced, the pushing clamping piece is facilitated, and the clamping is stable; meanwhile, as the boss 122 is arranged at the position from the tail part to one half of the second clamping arm 12, the boss 122 can not restrict the bending of the second clamping arm 12 in the closing process of the ligature clamp, thereby being beneficial to clamping the ligature clamp.
Preferably, in this embodiment, the ligating clip is received in the clip compartment, the free ends of the boss 122 and the second clip arm 12 each abut against the second side wall of the clip compartment, and the middle portion of the first clip arm 11 abuts against the first side wall of the clip compartment. The ligature clamp with the shape is accommodated in the clamp bin, so that the form stability of the ligature clamp stored in the clamp bin is further enhanced, and the ligature clamp is more beneficial to delivering the clamp stably.
Preferably, the ligating clip is received within the clip compartment with the boss 122 being perpendicular to the second side wall of the clip compartment. The ligature clip with the shape is simple in shape and convenient to manufacture.
Preferably, the boss 122 is located at the closed tail to one third of the second clip arm 12. The boss 122 so provided is more effective in restraining the closure tail. Further preferably, in this embodiment, the boss 122 is located at the closed tail to quarter second clip arm 12.
Preferably, the top of the boss 122 does not exceed the top side plane of the ligating clip and the bottom of the boss 122 does not exceed the bottom side plane of the ligating clip. The provision of the boss 122 of such a shape does not adversely affect the inherent function of the ligating clip.
Preferably, the first clip arm 11, the second clip arm 12, and the boss 122 are integrally formed of the same material (e.g., injection molded from a polymer) for manufacturing.
Preferably, boss 122 is solid cylindrical. The boss 122 with the shape is simple in shape, high in strength and convenient to manufacture by injection molding. Further, in the present embodiment, the longitudinal cross-section of the boss 122 (i.e., the cross-section obtained by cutting the boss 122 from top to bottom) gradually decreases in area from the connecting end to the free end, and the free end of the boss 122 is arc-shaped along the length direction of the second clamp arm 12.
Preferably, a V-shaped through hole 14 penetrating through the ligature clip vertically is formed in the closed tail part, the V bottom of the V-shaped through hole 14 is opposite to the V bottom of the V-shaped opening, and two end parts of the V-shaped through hole 14 are respectively arranged at the connecting end of the first clamping arm 11 and the connecting end of the second clamping arm 12. Thus, by providing the V-shaped through hole 14, the ligature clip is facilitated to be clamped.
Preferably, the inner side of the free end of the second clamping arm 12 is provided with a V-shaped slot 123, the V-shaped slot 123 having a V-bottom and a V-shaped opening, the V-bottom being located proximal to the V-shaped opening, the V-shaped opening being located at the most distal end of the second clamping arm 12, the depth of the V-shaped slot 123 gradually becoming deeper from the V-bottom to the V-shaped opening. The V-shaped slot 123 is configured to cooperate with the outer portion of the hook tip of the hook to facilitate the hook tip of the hook passing over the free end of the second clip arm 12 during closure of the ligating clip.
Further, to secure the clip closing stability of the ligation clip, in the present embodiment, the first clip arm 11 and the second clip arm 12 have substantially the same radius of curvature.
Further, in order to improve the stability of the ligature clip for clamping a blood vessel, in this embodiment, at least one tooth 15 is provided on the inner side of the first clip arm 11, and at least one tooth 15 is provided on the inner side of the second clip arm 12. Specifically, two rows of teeth 15 are provided on the inner side of the first clamping arm 11 along the direction of the first clamping arm 11, each row includes a plurality of teeth 15, the number of teeth 15 in the first row is the same as the number of teeth 15 in the second row, the teeth 15 in the first row and the teeth 15 in the second row are all arranged at the same interval, and the teeth 15 in the first row and the teeth 15 in the second row are staggered; two rows of teeth 15 are arranged on the inner side of the second clamping arm 12 along the trend of the second clamping arm 12, namely a third row and a fourth row, each row comprises a plurality of teeth 15, the number of the teeth 15 in the third row is the same as that of the teeth 15 in the fourth row, the teeth 15 in the third row and the teeth 15 in the fourth row are all arranged at the same interval, and the teeth 15 in the third row and the teeth 15 in the fourth row are staggered
Example 2
As shown in fig. 7 to 10, the present embodiment provides a cartridge device including a cartridge 3 accommodating a plurality of ligating clips.
The design of the ligating clip is the same as that described in example 1, and will not be described again. The openings of the ligature clips are sequentially horizontally arranged on the bottom plate 31 of the clip bin towards the clip feeding direction, and two ends of the openings of the ligature clips are respectively attached to two side walls of the clip bin 3. The clamping bin 3 is further provided with at least one boss in the middle of the left-right direction of the clamping bin bottom plate 31 and along the clamping direction, and when the ligature clamp is clamped along the boss, the top of the boss gradually supports the closed tail of the ligature clamp, so that the closed tail of the ligature clamp is finally parallel to the plane of the bottom plate 31 of the clamping bin. Therefore, the boss supports the closed tail part of the ligature clamp, reduces the up-and-down swing of the closed tail part of the ligature clamp in the clamp feeding process, is favorable for pushing the clamp to feed the clamp, ensures that the clamp feeding is stable, and reduces the clamping situation of the clamp feeding.
As shown in fig. 7 and 8, in this embodiment, at least one boss is provided as a clamp-in boss 312 (a boss for entering the jaw), a clamp-in end of the clamp-in boss 312 is located on the clamp chamber bottom plate 31, and a clamp-out end of the clamp-in boss 312 is located at a distal end of the clamp chamber bottom plate 31 and extends out of the clamp chamber bottom plate 31. The top surface of the clip feeding end extends obliquely in a plane in a direction away from the clip bin bottom plate 31 in a direction toward the distal end to smoothly guide the tail of the clip ligation clip 13 to rise without jamming the clip ligation clip 13. Of course, not limited thereto, in other embodiments, the top surface of the clamping end may be a cambered surface. The top surface of the outlet clamping end is a plane parallel to the bottom plate 31 of the clamping bin. The top surface of the part between the clamping end and the clamping end is a plane and is flush with the top surface of the clamping end.
In the process that the ligature clamp 13 to be clamped enters the jaw, the head of the clamping piece is required to push the ligature clamp to be clamped to enter the jaw against the closed tail of the ligature clamp 13 to be clamped, the clamping boss 312 is arranged, the tail of the ligature clamp 13 to be clamped can be supported by the clamping boss 312 in the clamp feeding process, the ligature clamp 13 to be clamped is prevented from swinging up and down, the head of the clamping piece is well acted on the closed tail of the ligature clamp 13 to be clamped, and the clamp feeding is stable; and simultaneously, the clamping ends of the clamping-in bosses 312 extend out of the clamping bin bottom plate, so that the clamping-in jaws can be sent stably. Of course, in other embodiments of the invention, the exiting ends of the entry bosses 312 may also be flush with the distal end of the cartridge floor.
Thus, in the present embodiment, during feeding, the closed tail of the ligature clip 13 to be fed is supported by the feeding end of the feeding jaw boss 312, and is held in a horizontal posture by the portion between the feeding end and the discharging end. In the present embodiment, the outlet end of the clamp boss 312 is in a cantilever structure, but the present invention is not limited thereto, and the outlet end of the clamp boss 312 may be connected to the clamp chamber bottom plate 31 by a connecting member.
Further, in this embodiment, two bosses are provided in the middle of the cartridge base plate 31 along the clip feeding direction, one of the bosses is the clip feeding boss 312 already discussed above, the other boss is the clip feeding boss 313, the clip feeding end of the clip feeding boss 313 is located at the proximal end of the cartridge base plate 31, the clip discharging end of the clip feeding boss 313 is located at a position near the distal end of the middle of the cartridge base plate 31 in the left-right direction, that is, the extension length of the clip feeding boss 313 is greater than the length of the cartridge base plate 31 where more than half of the ligating clips 13 are located in all the ligating clips 13. In this manner, the action of the clip feed boss 313 enhances stability during distal advancement of the majority of the ligation clip proximally.
Further, the feeding boss 313 is a metal strip welded to the bottom plate of the clamping chamber, and the clamping boss 312 is a boss protruding toward the inside of the clamping chamber. Thus facilitating the process.
Preferably, the cartridge 3 further comprises a cartridge top plate 32, the cartridge top plate 32 is located at the distal end of the cartridge 3, and two side portions of the cartridge top plate 32 are respectively connected with two side walls of the cartridge. A first elastic pressing piece 321 which is tilted towards the inside of the clamping bin along the clamping feeding direction is arranged in the middle of the left-right direction of the clamping bin top plate 32, and the first elastic pressing piece 321 is arranged corresponding to the clamping end of the clamping boss 312. In the clip feeding process, the closing tail of the ligature clip 13 to be clamped is supported by the clip feeding end of the clip feeding boss 312, and the ligature clip body of the ligature clip 13 to be clamped is pressed by the bottom of the first elastic pressing piece 321. The first elastic pressing piece is used for pressing the ligature clamp of the clamp to be clamped in the clamp bin, and the ligature clamp of the clamp to be clamped is guaranteed to be stably conveyed to the clamp jaw.
The first elastic pressing piece 321 includes a first connecting portion and a first pressing portion, where a plane where the first connecting portion is located is an inclined plane extending toward the inside of the clamping bin 3, a first end of the first connecting portion is connected with the clamping bin top plate 32, a second end of the first connecting portion is connected with the first end of the first pressing portion, and a plane where the first pressing portion is located is parallel to a plane where the clamping bin bottom plate is located. As set forth above, the pressing contact of the first elastic pressing piece 321 with the ligature clamp 13 to be clamped can be increased to stabilize the pressing, and at the same time, the pressing time of the first elastic pressing piece 321 with the ligature clamp 13 to be clamped can be increased.
Further preferably, a second elastic pressing piece 322 extending out of the distal end of the cartridge top plate 32 is provided in the middle of the distal end of the cartridge top plate 32, and the second elastic pressing piece 322 is provided corresponding to the out-clamping end of the in-clamping boss 312. The second elastic pressing piece 322 is tilted towards the inside of the jaw along the feeding direction; during the clip feeding process, when the to-be-clip ligating clip 13 is pushed out of the protruding clip magazine 3, the to-be-clip ligating clip 13 is pressed by the second elastic pressing piece 322. Since the clip outlet end of the clip inlet boss is located at the distal end of the clip bin bottom plate and extends out of the clip bin bottom plate, the second elastic pressing piece 322 is used for pressing the clip ligature clip 13 to be clipped outside the clip bin, and the clip ligature clip to be clipped is ensured to be stably sent to the clip jaw.
Preferably, a pressing table 323 protruding toward the inside of the clamping bin 3 along the feeding direction is arranged at the side part of the clamping bin top plate 32, the pressing table 323 is arranged corresponding to the clamping boss 312 in a position relation, and the clamping outlet end of the pressing table 323 is positioned at the far end of the clamping bin top plate 32; in the clip feeding process, the closed tail of the ligature clip 13 to be clipped is supported by the clip feeding end of the clip feeding boss 312, and the top clamping column of the ligature clip 13 to be clipped is pressed by the pressing table 323. Preventing the ligature clamp to be clamped from deflecting upwards when the clamp is delivered, and stabilizing the clamp delivery. Further, in the clip feeding process, the closed tail of the ligature clip 13 to be clipped is supported by the clip feeding end of the clip boss 312, and the top clamping column of the ligature clip 13 to be clipped is compressed by the clip feeding end of the compressing table 323.
It is conceivable that a pressing table 323 protruding toward the inside of the clip magazine along the clip feeding direction is provided at one side portion of the clip magazine top plate 32, so that the clip feeding stability can be prevented from being caused by upward deflection of the ligature clip to be fed in the clip feeding. Of course, the pressing tables 323 protruding toward the inside of the clip cabin along the clip feeding direction are provided on both side portions of the clip cabin top plate 32, so that the upward deflection of the ligature clip to be clamped during clip feeding can be prevented, and the clip feeding is stable.
Example 3
The main difference between this embodiment and embodiment 1 is that:
as shown in fig. 11, the boss is arch-shaped, and a space is formed between the boss and the second clamping arm. Further, in this embodiment, the middle portion of the boss is broken.
The rest is the same as in embodiment 1 and will not be described here again.
Example 4
The main difference between this embodiment and embodiment 1 is that:
as shown in fig. 12 to 14, a boss 122 is provided on an outer side portion of the first clip arm 11 (i.e., a side portion of the first clip arm 11 opposite to an inner side portion of the first clip arm 11 for forming the V-shaped opening), one end of the boss 122 is a connection end to be connected with the first clip arm 11, the other end of the boss 122 is a free end, the boss 122 is located at a position from a closed tail portion to one half of the first clip arm 11, the free end of the boss 122 has a first acting surface 124 for abutting the push clip 4, and the closed tail portion has a second acting surface 125 for abutting the push clip; the ligation clip is received within the clip compartment, the first and second active surfaces 124, 125 are coplanar, and the first active surface 124 is perpendicular to the clip compartment.
In this way, when the ligation clip is accommodated in the clip cabin, the boss 122 is arranged at the outer side part of the first clip arm, and the first acting surface 124 on the boss 122 and the second acting surface 125 of the closed tail are coplanar, so that the first acting surface 124 is perpendicular to the clip cabin, the push clip piece 4 can vertically abut against the first acting surface 124 and the second acting surface 125 to apply thrust to the ligation clip in the clip feeding process, the clip feeding force acting on the ligation clip can be parallel to the clip cabin shaft (see fig. 14), the thrust is reduced, and the push clip piece 4 is facilitated to feed the clip, so that the clip feeding is stable; meanwhile, since the boss is provided on the first clip arm 11, the boss 122 does not form a constraint on the clip closing of the ligating clip.
Further, the ligating clip is accommodated in the clip compartment, and an included angle formed by the boss 122 and the second side wall of the clip compartment is 20-40 degrees.
The rest is the same as in embodiment 1 and will not be described here again.
It should be understood that the above description of the specific embodiments of the present invention is only for illustrating the technical route and features of the present invention, and is for enabling those skilled in the art to understand the present invention and implement it accordingly, but the present invention is not limited to the above-described specific embodiments. All changes or modifications that come within the scope of the appended claims are intended to be embraced therein.
Claims (8)
1. A ligature clip is characterized in that,
the ligature clamp comprises two clamp arms, wherein one ends of the two clamp arms are connected to form a closed tail part of the ligature clamp, and the other ends of the two clamp arms are free ends; the two clamping arms are arc-shaped protruding towards the same direction;
a boss (122) is arranged on the outer side part of any clamping arm, one end of the boss (122) is connected with the clamping arm, the other end of the boss (122) is a free end, and the boss (122) is positioned at the position from the tail part of the closure to one half of the clamping arm;
the ligating clamp is accommodated in the clamp bin, and the clamping force direction of the ligating clamp is always parallel to the clamp bin shaft through a boss (122) in the clamp feeding process;
the two clamping arms are a first clamping arm (11) and a second clamping arm (12) respectively, the first clamping arm (11) is in an arc shape protruding towards the outside of the ligating clamp, and the second clamping arm (12) is in an arc shape protruding towards the inside of the ligating clamp;
the boss (122) is arranged on the first clamping arm (11), a first acting surface (124) for abutting the clamping piece is arranged at the free end of the boss (122), and a second acting surface (125) for abutting the clamping piece is arranged at the closed tail part;
the ligation clip is received within the clip compartment, the first active surface (124) and the second active surface (125) are coplanar, and the first active surface (124) is perpendicular to the clip compartment; or,
the two clamping arms are a first clamping arm (11) and a second clamping arm (12) respectively, the first clamping arm (11) is in an arc shape protruding towards the outside of the ligating clamp, and the second clamping arm (12) is in an arc shape protruding towards the inside of the ligating clamp;
the boss (122) is arranged on the second clamping arm (12), the ligating clamp is accommodated in the clamp bin, the free end of the boss (122) is abutted on the second side wall of the clamp bin, the first clamping arm (11) is abutted on the first side wall of the clamp bin, and the closed tail is positioned in the middle of the left and right directions of the clamp bin.
2. The ligating clip of claim 1, wherein,
the boss (122) is arranged on the second clamping arm (12), the ligating clamp is accommodated in the clamp bin, the free end of the boss (122) and the free end of the second clamping arm (12) are both abutted to the second side wall of the clamp bin, and the middle part of the first clamping arm (11) is abutted to the first side wall of the clamp bin.
3. The ligating clip of claim 1, wherein,
the boss (122) is arranged on the second clamping arm (12), the ligating clamp is accommodated in the clamping bin, and the boss (122) is perpendicular to the second side wall of the clamping bin.
4. The ligating clip of claim 1, wherein,
the boss (122) is located at the closed tail to one third of the clip arm.
5. The ligating clip of claim 1, wherein,
the boss (122) is located at the closed tail to quarter clip arm.
6. The ligating clip of claim 1, wherein,
the boss (122) is solid columnar.
7. A cartridge device comprising a cartridge housing a plurality of ligating clips according to any one of claims 1 to 6.
8. The cartridge device of claim 7, wherein,
the clamping bin is provided with a clamping bin bottom plate (31), at least one boss is arranged in the middle of the clamping bin bottom plate (31) in the left-right direction and along the clamping conveying direction, when the ligature clamp conveys the clamp along the boss, the top of the boss can simultaneously support the tail of at least one ligature clamp, and the plane of the tail of the ligature clamp is parallel to the plane of the bottom plate of the clamping bin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210112935.3A CN114403977B (en) | 2022-01-29 | 2022-01-29 | Ligature clamp and clamping bin device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210112935.3A CN114403977B (en) | 2022-01-29 | 2022-01-29 | Ligature clamp and clamping bin device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114403977A CN114403977A (en) | 2022-04-29 |
| CN114403977B true CN114403977B (en) | 2024-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210112935.3A Active CN114403977B (en) | 2022-01-29 | 2022-01-29 | Ligature clamp and clamping bin device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114403977B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203388905U (en) * | 2013-08-02 | 2014-01-15 | 杭州铭众生物科技有限公司 | Ligating clip |
| CN112315537A (en) * | 2019-08-05 | 2021-02-05 | 柯惠有限合伙公司 | Stackable ligation clip |
| CN215018342U (en) * | 2020-12-25 | 2021-12-07 | 江苏诺瑞思医疗器械有限公司 | Repeating clip applier |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11707282B2 (en) * | 2019-07-02 | 2023-07-25 | Covidien Lp | Multi-piece ligation clip |
-
2022
- 2022-01-29 CN CN202210112935.3A patent/CN114403977B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203388905U (en) * | 2013-08-02 | 2014-01-15 | 杭州铭众生物科技有限公司 | Ligating clip |
| CN112315537A (en) * | 2019-08-05 | 2021-02-05 | 柯惠有限合伙公司 | Stackable ligation clip |
| CN215018342U (en) * | 2020-12-25 | 2021-12-07 | 江苏诺瑞思医疗器械有限公司 | Repeating clip applier |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114403977A (en) | 2022-04-29 |
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