WO2020224625A1 - Clip de fermeture - Google Patents

Clip de fermeture Download PDF

Info

Publication number
WO2020224625A1
WO2020224625A1 PCT/CN2020/089063 CN2020089063W WO2020224625A1 WO 2020224625 A1 WO2020224625 A1 WO 2020224625A1 CN 2020089063 W CN2020089063 W CN 2020089063W WO 2020224625 A1 WO2020224625 A1 WO 2020224625A1
Authority
WO
WIPO (PCT)
Prior art keywords
arm
clip
elastic
clamp
closing
Prior art date
Application number
PCT/CN2020/089063
Other languages
English (en)
Chinese (zh)
Inventor
周晓军
谢晨光
谢北平
Original Assignee
北京领健医疗科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 北京领健医疗科技有限公司 filed Critical 北京领健医疗科技有限公司
Publication of WO2020224625A1 publication Critical patent/WO2020224625A1/fr

Links

Images

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
    • A61B17/1227—Spring clips
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A61B2017/00238—Type of minimally invasive operation
    • A61B2017/00243—Type of minimally invasive operation cardiac

Definitions

  • the invention relates to a medical device, in particular to a device for sealing human tissues in minimally invasive surgery.
  • the closing clip is provided with a spring arm. Under the action of the spring arm, the closing clip can be closed.
  • the existing closing clip is closed, the two ends are clamped, that is, two spring arms are used to clamp the clamp arm. The two ends are closed, and the spring arm and the clamping arm are not in the same plane.
  • closure clip Since the closure clip is closed at both ends, only a lasso can be used to capture the tissue target, which will increase the difficulty of minimally invasive surgery, especially thoracoscopic surgery. Because the spring arm and the clamp arm are not in the same plane, the volume of the closed clamp increases, which increases the size of the surgical implant path, which is not conducive to minimally invasive surgery.
  • the technical problem to be solved by the present invention is to provide a closed clip with a small volume and a single-ended opening.
  • the closed clamp of the present invention includes a first clamp arm, a second clamp arm, an elastic clamp and a sleeve.
  • the first clamp arm and the second clamp arm are arranged opposite to each other, and the elastic clamp extends along the first clamp arm and the second clamp arm.
  • the two elastic clamping arms of the elastic clip are respectively provided with closing arms at the ends, and the two closing arms are respectively clamped on the outer side distal ends of the first clamping arm and the second clamping arm.
  • the first clamp arm, the elastic clamp and the second clamp arm are sequentially contained in the sleeve, and the sleeve is made of a material with biological tissue compatibility.
  • the closing clip of the present invention wherein the two closing arms of the elastic clip are respectively fixed on the first clamping arm and the second clamping arm by welding, pin connection or flexible binding.
  • the closed clip of the present invention wherein the outer surface of the first clip arm is provided with two oppositely arranged first thin walls, and the outer surface of the second clip arm is provided with two oppositely arranged second thin walls,
  • the first thin wall is arranged along the length direction of the first clip arm
  • the second thin wall is arranged along the length direction of the second clip arm
  • one elastic clip arm of the elastic clip is located between the two first thin walls
  • the elastic The other elastic clamping arm of the clamp is located between the two second thin walls.
  • the closed clip of the present invention wherein the first clip arm and the second clip arm are both plate-shaped structures.
  • the closed clip of the present invention wherein the inner sides of the first clip arm and the second clip arm are both arc-shaped clamping surfaces.
  • the closed clip of the present invention wherein the joint of the two elastic clip arms of the elastic clip is U-shaped, the arm body between the closed arm and the U-shaped connection is a long arm, and the distance between the two long arms is The distance gradually decreases from the U-shaped connection to the direction of the closed arm.
  • closure clip of the present invention wherein the closure arm is provided with a first through hole, the first thin wall and the second thin wall are both provided with a second through hole corresponding to the first through hole, and the first through hole corresponding to each other A pin is inserted through a through hole and a second through hole, and the pin is fixedly arranged in the first through hole and the second through hole corresponding to each other.
  • the closing clip of the present invention wherein the closing arm is provided with a first through hole, the first through hole penetrates the inner and outer sides of the closing arm, and the outer sides of the first and second clamping arms are both A second through hole corresponding to the first through hole is provided, and a pin is inserted through the first through hole and the second through hole corresponding to each other, and the pin is fixedly arranged in the first through hole and the second through hole corresponding to each other in.
  • the closing clip of the present invention wherein the closing arm is provided with a card slot, the first thin wall and the second thin wall are provided with through holes corresponding to the card slot, and the corresponding through holes and the card slots are inserted through There are pins, and the pins are fixedly arranged in the corresponding through holes and slots.
  • the closing clip of the present invention wherein the long arm is a straight arm, and the closing arm is a straight arm or an arc arm.
  • the closing arms of the two elastic clamping arms of the elastic clip are respectively clamped on the outer side ends of the first clamping arm and the second clamping arm, because the elastic clamping is along the first clamping arm and the second clamping arm Therefore, the elastic clip, the first clip arm and the second clip arm are located in the same plane, so that the volume of the entire closed clip is reduced.
  • only one elastic clip can be used to realize the opening and closing of the closing clip.
  • the distal end of the closing clip can be opened.
  • the entire closing clip is opened in a V shape, that is, a single-ended opening is realized. , So there is no need to use a lasso when capturing organizational goals.
  • Figure 1 is a schematic diagram of the structure of the closure clip of the present invention.
  • Figure 2 is a front view of Embodiment 1 of the closure clip of the present invention with the sleeve removed;
  • Figure 3 is a perspective view of Embodiment 1 of the closure clip of the present invention with the sleeve removed;
  • FIG. 4 is a schematic view of the parallel expansion of the closing clip in Embodiment 1 of the present invention after the sleeve is removed;
  • Fig. 5 is a schematic view of the V-shaped expansion after removing the sleeve in the first embodiment of the closing clip of the present invention
  • Figure 6 is a front view of the first clamping arm/second clamping arm in the first embodiment of the closed clip of the present invention
  • Figure 7 is a left view of the first clamping arm/second clamping arm in the first embodiment of the closed clip of the present invention.
  • Figure 8 is a perspective view of the first clamping arm/second clamping arm in the first embodiment of the closed clip of the present invention.
  • Figure 9 is a front view of the elastic clip in the first embodiment of the closure clip of the present invention.
  • Figure 10 is a right side view of the elastic clip in the first embodiment of the closure clip of the present invention.
  • FIG. 11 is a perspective view of the elastic clip in the first embodiment of the closed clip of the present invention.
  • Figure 12 is a front view of the second embodiment of the closure clip of the present invention with the sleeve removed;
  • Figure 13 is a perspective view of the second embodiment of the closure clip of the present invention with the sleeve removed;
  • FIG. 14 is a schematic diagram of the parallel expansion of the second embodiment of the closing clip of the present invention after the sleeve is removed;
  • FIG. 15 is a schematic view of the V-shaped expansion after removing the sleeve in the second embodiment of the closing clip of the present invention.
  • Figure 16 is a front view of the first clamping arm/second clamping arm in the second embodiment of the closed clip of the present invention.
  • Figure 17 is a left view of the first clamping arm/second clamping arm in the second embodiment of the closed clip of the present invention.
  • FIG. 18 is a perspective view of the first clamping arm/second clamping arm in the second embodiment of the closed clip of the present invention.
  • 19 is a front view of the elastic clip in the second embodiment of the closed clip of the present invention.
  • Figure 20 is a right side view of the elastic clip in the second embodiment of the closed clip of the present invention.
  • 21 is a perspective view of the elastic clip in the second embodiment of the closed clip of the present invention.
  • Figure 22 is a front view of Embodiment 3 of the closure clip of the present invention with the sleeve removed;
  • Figure 23 is a perspective view of Embodiment 3 of the closure clip of the present invention with the sleeve removed;
  • FIG. 24 is a front view of the first clamping arm/second clamping arm in Embodiment 3 of the closed clip of the present invention.
  • FIG. 25 is a left side view of the first clamping arm/second clamping arm in Embodiment 3 of the closed clip of the present invention.
  • 26 is a top view of the first clamping arm/second clamping arm in Embodiment 3 of the closed clip of the present invention.
  • FIG. 27 is a perspective view of the first clamping arm/second clamping arm in Embodiment 3 of the closed clip of the present invention.
  • Figure 28 is another perspective view of the first clamping arm/second clamping arm in Embodiment 3 of the closed clip of the present invention.
  • Figure 29 is a front view of the elastic clip in Embodiment 3 of the closed clip of the present invention.
  • Figure 30 is a right side view of the elastic clip in the third embodiment of the closed clip of the present invention.
  • Figure 31 is a perspective view of an elastic clip in Embodiment 3 of the closed clip of the present invention.
  • Figure 32 is a front view of Embodiment 4 of the closure clip of the present invention with the sleeve removed;
  • Figure 33 is a perspective view of Embodiment 4 of the closure clip of the present invention with the sleeve removed;
  • Figure 34 is a front view of the first clamping arm/second clamping arm in Embodiment 4 of the closed clip of the present invention.
  • Figure 36 is a perspective view of the first clamping arm/second clamping arm in Embodiment 4 of the closed clip of the present invention.
  • Figure 37 is a front view of the elastic clip in the fourth embodiment of the closed clip of the present invention.
  • Figure 38 is a left view of the elastic clip in the fourth embodiment of the closed clip of the present invention.
  • Figure 39 is a perspective view of the elastic clip in the fourth embodiment of the closed clip of the present invention.
  • Figure 40 is a front view of Embodiment 5 of the closure clip of the present invention with the sleeve removed;
  • Figure 41 is a perspective view of Embodiment 5 of the closure clip of the present invention with the sleeve removed;
  • Figure 43 is a right side view of the first clamping arm/second clamping arm in Embodiment 5 of the closed clip of the present invention.
  • FIG. 44 is a perspective view of the first clamping arm/second clamping arm in Embodiment 5 of the closed clip of the present invention.
  • Figure 45 is a front view of the sixth embodiment of the closure clip of the present invention with the sleeve removed;
  • Figure 46 is a perspective view of Embodiment 6 of the closure clip of the present invention with the sleeve removed;
  • Figure 47 is a front view of the first clamping arm/second clamping arm in the sixth embodiment of the closed clip of the present invention.
  • Figure 48 is a left view of the first clamping arm/second clamping arm in the sixth embodiment of the closed clip of the present invention.
  • Figure 49 is a perspective view of the first clamping arm/second clamping arm in the sixth embodiment of the closed clip of the present invention.
  • Figure 50 is a front view of the elastic clip in the sixth embodiment of the closed clip of the present invention.
  • Figure 51 is a perspective view of the elastic clip in the sixth embodiment of the closed clip of the present invention.
  • Figure 52 is a front view of the seventh embodiment of the closure clip of the present invention with the sleeve removed;
  • Figure 53 is a perspective view of Embodiment 7 of the closure clip of the present invention with the sleeve removed;
  • Fig. 54 is a schematic view of parallel expansion of the seventh embodiment of the closing clip of the present invention after the sleeve is removed;
  • Figure 55 is a schematic view of the V-shaped expansion of the seventh embodiment of the closed clip of the present invention after the sleeve is removed;
  • Figure 56 is a front view of the first clamping arm/second clamping arm in the seventh embodiment of the closed clip of the present invention.
  • Figure 57 is a left view of the first clamping arm/second clamping arm in the seventh embodiment of the closed clip of the present invention.
  • Figure 58 is a perspective view of the first clamping arm/second clamping arm in the seventh embodiment of the closed clip of the present invention.
  • Figure 59 is a perspective view of the elastic clip in the seventh embodiment of the closed clip of the present invention.
  • Figure 60 is a right side view of the elastic clip in the seventh embodiment of the closed clip of the present invention.
  • Fig. 61 is a perspective view of an elastic clip in the seventh embodiment of the closed clip of the present invention.
  • the closure clip of the present invention includes a first clip arm 2, a second clip arm 3, an elastic clip 4 and a sleeve 1.
  • the first clip arm 2 and the second clip arm The clamping arms 3 are arranged oppositely, the elastic clamps 4 are arranged along the length direction of the first clamping arm 2 and the second clamping arm 3, and the ends of the two elastic clamping arms of the elastic clamp 4 are respectively provided with closing arms 401, Two closing arms 401 are respectively clamped on the distal ends of the outer side 11 of the first clamping arm 2 and the second clamping arm 3, the first clamping arm 2, the elastic clamp 4 and the second clamping arm 3 are sequentially received in the In the sleeve 1, the sleeve 1 is made of a material with biocompatibility, such as a tubular piece woven with PET thread.
  • the closure clip of the present invention wherein the outer side 11 of the first clip arm 2 is provided with two oppositely arranged first thin walls 200, and the outer side 11 of the second clip arm 3 is provided with two oppositely arranged
  • the second thin wall 300 is arranged along the length direction of the first clamping arm 2, and the second thin wall 300 is arranged along the length direction of the second clamping arm 3.
  • One elastic clip arm of the elastic clip 4 is located between the two first thin walls 200, and the other elastic clip arm of the elastic clip is located between the two second thin walls 300.
  • the first thin wall 200 is perpendicular to the outer side surface 11 of the first clamping arm 2
  • the second thin wall 300 is perpendicular to the outer side surface 11 of the second clamping arm 3.
  • Both the first thin wall 200 and the second thin wall 300 are hollow structures to reduce the quality of the entire closing clip.
  • the hollow structure of the first thin wall 200 and the second thin wall 300 is: the first thin wall 200 and the second thin wall 300 are each provided with a plurality of through holes, the first The multiple through holes on the thin wall 200 are evenly arranged along the length direction of the first thin wall 200, and the multiple through holes on the second thin wall 300 are evenly arranged along the length direction of the second thin wall 300.
  • the inner sides of the first clamping arm 2 and the second clamping arm 3 are both arc-shaped clamping surfaces 6.
  • the inner sides of the first clamping arm 2 and the second clamping arm 3 are the clamping surfaces 6, and the clamping surfaces 6 are set to be curved, which is more conducive to clamping the tissues in the human body.
  • the closed clip of the present invention wherein the joint of the two elastic clip arms of the elastic clip 4 is U-shaped, the end of the elastic clip arm is a closed arm 401, and the closed arm 401 is a straight arm.
  • the two closing arms 401 are respectively clamped on the distal ends of the outer sides of the first clamping arm 2 and the second clamping arm 3, and the inner sides of the two closing arms 401 are respectively connected to the outer sides of the first clamping arm 2 and the second clamping arm 3
  • the arm body between the closed arm 401 and the U-shaped connection is a long arm 400
  • the long arm 400 is a straight arm
  • the distance between the two long arms 400 is from the U-shaped connection to the closed arm 401
  • the direction gradually decreases.
  • the U-shaped connection of the elastic clip 4 allows the two elastic clip arms to obtain a clinically required closing force, such as 7N.
  • the two closing arms 401 of the elastic clip 4 are each provided with two first through holes 9, and the specific arrangement is as follows: Two cylindrical bosses, each boss is provided with a first through hole 9 arranged along the axial direction of the boss, the first through hole 9 is perpendicular to the length direction of the elastic clip 4 It is parallel to the outer side of the closed arm 401.
  • each of the first thin wall 200 and the second thin wall 300 is provided with two second through holes 7, and each first thin wall 200 has two second through holes 7
  • the two through holes 7 are respectively arranged in a one-to-one correspondence with the two first through holes 9 on a closed arm 401 of the elastic clip 4, and the two second through holes 7 on each second thin wall 300 are respectively connected with the elastic clip 4
  • the two first through holes 9 on the other closing arm 401 are arranged in one-to-one correspondence.
  • Both the first thin wall 200 and the second thin wall 300 are provided with two limiting plates 8, and each limiting plate 8 is provided with a second through hole 7.
  • a pin 5 is inserted into the first through hole 9 and the second through hole 7 corresponding to each other, and the pin 5 is fixedly arranged in the first through hole 9 and the second through hole 7 corresponding to each other by riveting or welding.
  • the first clamping arm 2 and the second clamping arm 3 are made of medical stainless steel or titanium alloy such as TC4, TC20 by wire cutting or EDM.
  • the elastic clip 4 is made of titanium alloy TC4 or TC20 by wire cutting or EDM.
  • first through hole 9 is provided on the two closing arms 401 of the elastic clip 4, and the first through hole 9 is arranged at the end of the closing arm 401, correspondingly, only one second through hole 7 is provided on the first thin wall 200 and the second thin wall 300.
  • a first through hole 9 is provided on each of the two closing arms 401, and each first through hole 9 penetrates The inner and outer sides of the closed arm 401, and the outer surfaces of the first clamping arm 2 and the second clamping arm 3 are each provided with a second through hole 7 corresponding to the first through hole 9.
  • a pin 5 is inserted into the first through hole 9 and the second through hole 7 corresponding to each other, and the pin 5 is fixedly arranged in the first through hole 9 and the second through hole 7 corresponding to each other by riveting or welding, namely :
  • the second through hole 7 on the first clamp arm 2 and the first through hole 9 on the closed arm 401 of the elastic clamp 4 are fixedly provided with a pin 5, and the second through hole 7 on the second clamp arm 3 is connected to the elastic
  • a pin 5 is also fixed in the first through hole 9 on the other closing arm 401 of the clip 4.
  • the difference between this embodiment and the second embodiment is that the first through hole 9 on the closing arm 401 is replaced with a card slot 10, and the card slot 10 is provided in the closing arm 401
  • On the outer side surface of the first thin wall 200 and the second thin wall 300 are provided with through holes corresponding to the slot 10, and pins 5 are inserted through the corresponding through holes and the slot 10, the pins 5 5 is fixedly arranged in the corresponding through hole and the slot 10 by riveting or welding, that is: the through hole on the first thin wall 200 and the slot 10 on a closed arm 401 of the elastic clip 4 are fixedly arranged
  • the pin 5, the through hole on the second thin wall 300 and the first through hole 9 on the other closed arm 401 of the elastic clip 4 are also fixedly provided with the pin 5.
  • the closing arm 401 is an arc-shaped arm, and the arc-shaped arm protrudes toward the outside of the closing arm 401.
  • the hole 9 is provided at the junction of the closing arm 401 and the long arm 400.
  • the end of the closing arm 401 is provided with a boss 402 extending inwardly.
  • the boss 402 is connected to the outer surface of the first clamping arm 2 / second clamping arm 3 Offset at the far end.
  • Both the first thin wall 200 and the second thin wall 300 are provided with a second through hole 7 corresponding to the first through hole 9, and pins are inserted through the corresponding first through hole 9 and the second through hole 7 5.
  • the pin 5 is fixedly arranged in the first through hole 9 and the second through hole 7 corresponding to each other by riveting or welding, that is: the second through hole 7 on the first thin wall 200 and the elastic clip 4
  • a pin 5 is fixed in the first through hole 9 on one closed arm 401, and the second through hole 7 on the second thin wall 300 and the first through hole 9 on the other closed arm 401 of the elastic clip 4 are also fixed in the first through hole 9 Set with pins 5.
  • first clamping arm 2 and the second clamping arm 3 are both plate-shaped structures, that is, the first clamping arm 2 and There is no thin wall on the outer surface of the second clamp arm 3, only a limit plate 8 is provided.
  • the outer surfaces of the first clamp arm 2 and the second clamp arm 3 are respectively provided with 4 limit plates and 4 limit plates.
  • the plates are arranged in pairs, and each limiting plate 8 is provided with a second through hole 7.
  • the fixed connection between the two closing arms 401 of the elastic clip 4 and the first clamping arm 2 and the second clamping arm 3 is through the pin 5, It can also be fixed on the first clamping arm 2 and the second clamping arm 3 by welding or a flexible binding member (such as a rope).
  • the closing arm 401 can also be non-fixedly connected to the first clamping arm 2 and the second clamping arm 3, that is, the closing arm 401 is clamped between the first clamping arm 2 and the second clamping arm 3.
  • the outer side surface is 11
  • the closing arm 401 can also be fixed to the first clamping arm 2 and the second clamping arm 3 by welding, pin connection or flexible binding members (such as rope).
  • the elastic clamp 4 includes two elastic clamp arms, and the two elastic clamp arms are connected by an elastic member, and the elastic member allows the two elastic clamp arms to obtain a clinically required closing force.
  • the joint of the two elastic clip arms of the elastic clip 4 is U-shaped, that is, the U-shaped connection of the elastic clip 4 is an elastic piece, which makes the two elastic clip arms obtain clinical The required closing force.
  • the joint of the two elastic clamping arms can also be in a bulge shape, or other regular or irregular shapes, as long as the two elastic clamping arms can provide a closing force.
  • the two elastic clip arms of the elastic clip 4 in the closed clip of the present invention are respectively clamped on the distal ends of the outer side 11 of the first clip arm 2 and the second clip arm 3, because the elastic clip 4 runs along the first clip arm 2 and the second clip arm 3
  • the clamping arm 3 is arranged in the length direction, therefore, the elastic clamp 4 and the first clamping arm 2 and the second clamping arm 3 are located in the same plane, so that the volume of the entire closed clamp is reduced.
  • only one elastic clip 4 can be used to realize the opening and closing of the closing clip.
  • the distal end of the closing clip can be opened.
  • the entire closing clip is opened in a V shape, that is, a single end is realized. Opening, so there is no need to use a lasso when capturing tissue targets.
  • the closing force of the elastic clip 4 can be adjusted according to actual use.
  • the U-shaped connection can be squeezed, that is, the inner diameter of the U-shaped connection can be reduced to increase the two
  • the closing force between the two elastic clamping arms will decrease.
  • the closing clip is delivered to the human body through a special conveying device, and then the first clip arm 21 and the second clip arm 3 are opened, and then moved to the body tissue that needs to be closed. And make the human body tissue between the first clamping arm 2 and the second clamping arm 3.
  • the conveying device loosens the first clamping arm 2 and the second clamping arm 3, and under the action of the elastic clamp 4, the first clamping arm 2 And the second clamping arm 3 to close and clamp the human tissue.
  • the closing clip can provide a constant parallel closing force to ensure the safety and reliability of the product
  • the U-shaped connection of the two elastic clamp arms of the elastic clamp 4, the geometric dimensions of the long arm 400, and the closed arm 401 can affect the distal and proximal ends of the clamp arms (based on the operator, and the proximal end is closer to the operator , Far from the operator is the distal end) closing force, such as increasing the cross-sectional area of the U-shaped connection, reducing the inner diameter of the U-shaped connection can increase the closing force of the distal and proximal ends of the clamp arm; increase the straight
  • the cross-sectional area of the arm and the closed arm 401 can increase the closing force of the clamp arm; the length of the closed arm 401 (in the direction of extension) and the cross-sectional area of the closed arm 401, the length of the straight arm (in the direction of extension) and the length of the straight arm
  • the cross-sectional area and its relative ratio can affect the closing force of the clamp arm and the distribution of the closing force of the distal and proximal ends of the clamp arm.
  • the size of the U-shaped connection, the long arm 400 and the closing arm 401 are all fixed.
  • changing the geometric dimensions of the clamp arm can significantly change the closing force distribution at the distal and proximal ends of the clamp arm. Therefore, the present invention can adjust the closing of the clamp arm by various means.
  • the size of the force and the distribution of the closing force between the distal end and the proximal end of the clip arm make the closed clip achieve the most ideal clinical effect;
  • the clamp arm participates in the elastic deformation, and can flexibly distribute the closing force of the elastic clamp 4, which greatly improves the compliance of the tissue;
  • the closing clip has a simple structure, low quality, reliable and stable performance
  • the closing clip is easy to process.
  • the closing arms of the two elastic clip arms of the elastic clip are respectively clamped on the outer side ends of the first clip arm and the second clip arm, because the elastic clip is along the first clip arm and the second clip arm.
  • the two clamp arms are arranged in the length direction, so the elastic clamp, the first clamp arm and the second clamp arm are located in the same plane, so that the volume of the entire closed clamp is reduced.
  • only one elastic clip can be used to realize the opening and closing of the closing clip. During the opening process, the distal end of the closing clip can be opened. At this time, the entire closing clip is opened in a V shape, namely A single-ended opening is achieved, so there is no need to use a lasso when capturing tissue targets.
  • the closure clip of the embodiment of the present invention can be mass-produced and manufactured.

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Reproductive Health (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)

Abstract

L'invention concerne un clip de fermeture ayant un petit volume et pouvant être ouvert à une seule extrémité. Le clip de fermeture comprend un premier bras de serrage (2), un second bras de serrage (3), un clip élastique (4), et un manchon (1), le premier bras de serrage (2) et le second bras de serrage (3) étant disposés à l'opposé l'un de l'autre ; le clip élastique (4) est disposé le long de la direction de la longueur du premier bras de serrage (2) et du second bras de serrage (3) ; des bras de fermeture (401) sont respectivement disposés aux extrémités des deux bras de serrage élastiques du clip élastique (4) ; les deux bras de fermeture (401) sont respectivement serrés au niveau des extrémités distales des surfaces latérales externes (11) du premier bras de serrage (2) et du second bras de serrage (3) ; le premier bras de serrage (2), le clip élastique (4) et le second bras de serrage (3) sont reçus de manière séquentielle dans le manchon (1) ; le manchon (1) est constitué d'un matériau ayant une compatibilité de tissu biologique.
PCT/CN2020/089063 2019-05-08 2020-05-07 Clip de fermeture WO2020224625A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910381583.XA CN111904526A (zh) 2019-05-08 2019-05-08 一种闭合夹
CN201910381583.X 2019-05-08

Publications (1)

Publication Number Publication Date
WO2020224625A1 true WO2020224625A1 (fr) 2020-11-12

Family

ID=73050735

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/089063 WO2020224625A1 (fr) 2019-05-08 2020-05-07 Clip de fermeture

Country Status (2)

Country Link
CN (1) CN111904526A (fr)
WO (1) WO2020224625A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023039574A3 (fr) * 2021-09-13 2023-04-20 Atricure, Inc. Dispositifs d'exclusion et procédés associés

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113425361A (zh) * 2021-06-01 2021-09-24 北京领健医疗科技有限公司 一种闭合夹

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050277959A1 (en) * 2004-05-26 2005-12-15 Idx Medical, Ltd. Apparatus and methods for occluding a hollow anatomical structure
US20060100649A1 (en) * 2002-12-17 2006-05-11 Hart Charles C Surgical staple-clip and applier
WO2007127664A1 (fr) * 2006-04-28 2007-11-08 Medtronic, Inc. Procédés et dispositifs d'occlusion d'un appendice auriculaire
CN205234566U (zh) * 2016-01-07 2016-05-18 中国人民解放军总医院 一种止血夹
CN106102599A (zh) * 2014-12-12 2016-11-09 阿特瑞克尔公司 封堵夹
CN106102598A (zh) * 2013-11-21 2016-11-09 阿特瑞克尔公司 阻断夹
CN206275717U (zh) * 2016-08-16 2017-06-27 北京迈迪顶峰医疗科技有限公司 心耳夹
CN109199493A (zh) * 2018-10-30 2019-01-15 北京领健医疗科技有限公司 补偿式闭合器械

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060100649A1 (en) * 2002-12-17 2006-05-11 Hart Charles C Surgical staple-clip and applier
US20050277959A1 (en) * 2004-05-26 2005-12-15 Idx Medical, Ltd. Apparatus and methods for occluding a hollow anatomical structure
WO2007127664A1 (fr) * 2006-04-28 2007-11-08 Medtronic, Inc. Procédés et dispositifs d'occlusion d'un appendice auriculaire
CN106102598A (zh) * 2013-11-21 2016-11-09 阿特瑞克尔公司 阻断夹
CN106102599A (zh) * 2014-12-12 2016-11-09 阿特瑞克尔公司 封堵夹
CN205234566U (zh) * 2016-01-07 2016-05-18 中国人民解放军总医院 一种止血夹
CN206275717U (zh) * 2016-08-16 2017-06-27 北京迈迪顶峰医疗科技有限公司 心耳夹
CN109199493A (zh) * 2018-10-30 2019-01-15 北京领健医疗科技有限公司 补偿式闭合器械

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023039574A3 (fr) * 2021-09-13 2023-04-20 Atricure, Inc. Dispositifs d'exclusion et procédés associés

Also Published As

Publication number Publication date
CN111904526A (zh) 2020-11-10

Similar Documents

Publication Publication Date Title
US10159492B2 (en) Endoscopic clip applier
US10925616B2 (en) Clip applier with replaceable tips
WO2020224625A1 (fr) Clip de fermeture
US9011464B2 (en) Self-centering clip and jaw
CN110063767B (zh) 带有组织保留特征的结扎夹
CN110292411B (zh) 一种组织夹闭装置
US4550729A (en) Non-metallic, bio-compatible hemostatic clips with interlocking latch means
US4527562A (en) Non-metallic, bio-compatible hemostatic clips
WO2018175651A1 (fr) Applicateur d'agrafes comportant un élément de stabilisation
DK153121B (da) Haemostatisk klemme
WO2013067974A1 (fr) Dispositif de ligature de tissu vivant
WO2017066986A1 (fr) Dispositif de ligature multi-attache
US20220047269A1 (en) Clip applier
JP7303877B2 (ja) 手術クリップ
WO2016017663A1 (fr) Agrafe chirurgicale
JPH0451175B2 (fr)
CN208958237U (zh) 一次性组织闭合夹
US20060217746A1 (en) Renal perfusion clamp
US20210007751A1 (en) Clip applier
CN115444492A (zh) 一种内窥镜下止血夹闭装置
JP2010259677A (ja) 鉗子
CN210541702U (zh) 一种闭合夹
CN116407343A (zh) 可二次夹持的瓣膜修复装置
CN109350135A (zh) 中枢瘫行健侧颈七移位术用经隧道软质神经牵引管
CN214549514U (zh) 一种双组织夹施夹器

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20801765

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20801765

Country of ref document: EP

Kind code of ref document: A1