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CN114652379A - Fixing instrument, method for producing same and medical fixing device - Google Patents

Fixing instrument, method for producing same and medical fixing device Download PDF

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Publication number
CN114652379A
CN114652379A CN202210260254.1A CN202210260254A CN114652379A CN 114652379 A CN114652379 A CN 114652379A CN 202210260254 A CN202210260254 A CN 202210260254A CN 114652379 A CN114652379 A CN 114652379A
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CN
China
Prior art keywords
rope
knot
segment
loop
ring
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Granted
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CN202210260254.1A
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Chinese (zh)
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CN114652379B (en
Inventor
张凤羽
霍红亚
葛立
王远强
赖卫国
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Shanghai Ligetai Biological Technology Co ltd
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Shanghai Ligetai Biological Technology Co ltd
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Priority to CN202210260254.1A priority Critical patent/CN114652379B/en
Publication of CN114652379A publication Critical patent/CN114652379A/en
Priority to PCT/CN2022/118109 priority patent/WO2023173704A1/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/064Surgical staples, i.e. penetrating the tissue
    • A61B17/0642Surgical staples, i.e. penetrating the tissue for bones, e.g. for osteosynthesis or connecting tendon to bone

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

Abstract

The invention provides a fixing device formed by weaving rope-shaped objects, comprising: a ring portion comprising a wire loop for passage of a target tissue; the knot part is connected with the ring part and is used for abutting against a bone; the adjusting part is connected with the ring part to adjust the size of the wire loop, the target tissue and the bone are fixed in the using process, the knot part formed by weaving the rope-shaped object can deform along with the surface shape of the bone when contacting with the bone, so that the gap is reduced, the contact area is increased, and the fixing effect of the tissue and the bone is improved. The invention also provides a manufacturing method of the fixing instrument and a medical fixing device.

Description

Fixing instrument, method for producing same and medical fixing device
Technical Field
The invention relates to the field of medical instruments, in particular to a fixing instrument, a manufacturing method thereof and a medical fixing device.
Background
Complete or partial detachment of ligaments, tendons, trivets, or other soft tissue from bone is a common injury, especially among athletes and the elderly. When a ligament is pulled beyond its tolerance by violence, causing non-physiological activities, damage and even tissue separation can occur. Surgical intervention is often required, particularly when the tissue is completely separated from its associated bone.
The method for fixing the titanium plate with the belt loop is an operation method for ligament and tendon reconstruction. The method does not need to add external condyle lateral incision, can firmly fix the upper end of the ligament graft without bone blocks at two ends in the femoral side bone canal by using the built-in titanium plate with the belt loop, and is a mature and effective method in the prior art for reconstructing ACL by using the grafts without bone blocks, such as semitendinosus tendon, gracilis tendon and the like.
In the process of ligament reconstruction surgery of human knee joint, a coil in a titanium plate with a loop, namely a loop ring, is mainly utilized to form crisscross with a ligament graft and is tensioned. In clinical use, the fixing effect is poor, the movement of the titanium plate with the belt loop can be frequently generated, the adverse reactions such as ligament scratch and looseness can be easily caused, and the healing effect is influenced. The metal material of the belt loop titanium plate has a bone injury effect caused by the abrasion injury of the bone on the contact surface with the bone in long-term activity, and is easy to cause various inflammation infections to endanger the body health.
Meanwhile, the suture fixed on the titanium plate with the belt loop generates certain shaking in a bone channel due to poor goodness of fit between the titanium plate with the belt loop and the bone, so that the abrasion to the suture is increased, and the service life of the suture is influenced.
Other tissue attachment devices commonly used today, including screws, suture rivets, etc., also result in poor fixation.
Therefore, there is a need to develop a new fastening device, a method of manufacturing the same, and a medical fastening device, which avoid the above problems of the prior art.
Disclosure of Invention
The invention aims to provide a fixing instrument, a manufacturing method thereof and a medical fixing device, which can improve the fixing effect of tissues and bones, reduce the abrasion of the tissues and the bones and prolong the service life of the fixing instrument.
To achieve the above object, the present invention provides a fixing device formed by weaving a string-like object, comprising: a ring portion comprising a wire loop for passage of a target tissue; the knot part is connected with the ring part and is used for abutting against a bone; the adjusting part is connected with the ring part and used for adjusting the size of the wire ring and tightening the wire ring to fix the target tissue and the bone in the using process.
The fixing apparatus provided by the invention has the beneficial effects that: the rope-shaped object is woven to form the ring part, the knot part and the adjusting part, the size of a wire loop of the ring part is adjusted through the adjusting part, the knot part fixes a target tissue and a bone, and the knot part formed by weaving the rope-shaped object can deform along with the surface shape of the bone when contacting with the bone so as to reduce a gap and increase the contact area and further improve the fixing effect of the tissue and the bone; the knot part formed by weaving the rope-shaped object has certain flexibility, so that the abrasion to bones can be effectively reduced; the knot part formed by weaving the rope-shaped object replaces a metal titanium plate, so that the abrasion of the wire in the pore of the metal titanium plate is avoided, and the service life of the fixing device is prolonged.
Optionally, the knot portion includes a knot ring and a coil wound around the knot ring. The beneficial effects are that: the knot part and the coil wound on the knot ring are beneficial to increasing the contact area of the knot part and the bone.
Optionally, the knot ring is an "o" -shaped knot ring, and the coil includes a first coil wound around the "o" -shaped knot ring. The beneficial effects are that: the contact area of the knot part and the skeleton is increased, and the fixing strength is increased.
Optionally, the knot ring is an "8" -shaped knot ring, and the coil includes a second coil wound around one of the "8" -shaped knot ring and a third coil wound around the other of the "8" -shaped knot ring. The beneficial effects are that: the 8-shaped knot ring is beneficial to further increasing the contact area of the knot part and the bone and increasing the fixing strength.
Optionally, the number of windings of the first coil is greater than or equal to 3 and less than or equal to 15. The beneficial effects are that: the distance between the coils is reduced, the contact area of the knot part and the skeleton is increased, and the fixing strength is improved.
Optionally, the number of winding turns of the second coil and the third coil is greater than or equal to 3 and less than or equal to 15. The beneficial effects are that: the distance between the coils is reduced, the contact area of the knot part and the skeleton is increased, and the fixing strength is improved.
Optionally, the loop portion is comprised of a two-wire loop. The beneficial effects are that: the double wire loop is advantageous in increasing the fixing strength compared to the single wire loop.
Optionally, the bifilar loops are parallel to each other.
Optionally, the two-wire loops cross through the centre of each other.
Optionally, the target tissue is human soft tissue, including ligaments, tendons or shoulder trivia.
In order to achieve the above object, the present invention further provides a method for manufacturing the above fixing device, comprising the steps of: s1 providing a hollow rope, the rope comprising rope segments, the rope segments comprising a first rope segment and a second rope segment; s2, the first rope segment penetrates through the first opening on the rope and penetrates out of the second opening on the rope along the direction of the second rope segment, and the bent part of the rope forms a center ring; s3 passing the first rope portion through the center loop and tightening the center loop to form a knot in the nesting portion of the rope; s4, the rope section passes through the knot ring and is wound on the knot ring to form a knot part; s5 passing the first and second rope portions through the knot in opposite directions, a portion passing through the knot forming an adjustment portion and another portion forming a loop portion.
The manufacturing method of the fixing apparatus provided by the invention has the beneficial effects that: manufacturing a fixing instrument, wherein the ring part, the knot part and the adjusting part are formed by weaving a rope-shaped object, the size of a wire loop of the ring part is adjusted through the adjusting part, so that a target tissue is fixed with a bone by the knot part, and the knot part formed by weaving the rope-shaped object can generate certain deformation along with the surface shape of the bone when contacting with the bone so as to reduce a gap and increase the contact area, thereby improving the fixing effect of the tissue and the bone; the knot part formed by weaving the rope-shaped object has certain flexibility, so that the abrasion to bones can be effectively reduced; the knot part formed by weaving the rope-shaped object replaces a metal titanium plate, so that the abrasion of the wire in the pore of the metal titanium plate is avoided, and the service life of the fixing instrument is prolonged.
Optionally, the step S4 includes: winding the first cord segment and the second cord segment together around the knot loop, the first cord segment and the second cord segment together forming a first loop.
Optionally, between step S3 and step S4, the method further includes: and penetrating a second rope segment from a third opening on the rope-shaped object along the reverse direction of the first rope segment, then penetrating from a fourth opening on the rope-shaped object, and tensioning the second rope segment to enable the nesting part of the rope-shaped object to form an 8-shaped knot.
Optionally, in the step S4, the winding around the knot ring includes: winding the first cord segment around one loop of the "8" shaped knot to form a second coil wound around the knot; winding the second rope segment around another loop of the "8" shaped knot to form a third coil wound around the knot.
Optionally, in the step S4, the first rope portion and the second rope portion are wound around the knot ring together, where the number of turns of the first rope portion and the second rope portion is greater than or equal to 3 and less than or equal to 15.
Optionally, the number of turns of the first rope portion wound around one ring of the 8-shaped knot ring is greater than or equal to 3 and less than or equal to 15, and the number of turns of the second rope portion wound around the other ring of the 8-shaped knot ring is greater than or equal to 3 and less than or equal to 15.
Optionally, the step S5 includes: passing the first rope segment and the second rope segment in parallel through the knot.
Optionally, the step S5 includes: and crossing the first rope segment and the second rope segment and then penetrating the knot ring.
Optionally, the step S5 includes threading the first rope segment into the second rope segment, then threading out, and passing through the knot ring; and the second rope segment penetrates into the first rope segment and then penetrates out, and penetrates through the knot ring.
Optionally, the step S5 includes passing the first rope segment into the second rope segment, and then passing the first rope segment through one ring of the 8-shaped knot ring; and the second rope section penetrates into the first rope section and then penetrates out, and penetrates through the other ring of the 8-shaped knot ring.
Optionally, the first rope segment penetrates into the second rope segment and then penetrates out of a fifth opening, and the fifth opening is located on the second rope segment and close to the knot portion; and the second rope section penetrates into the first rope section and then penetrates out of a sixth opening, and the sixth opening is positioned on the first rope section and is close to the knot part.
Optionally, the hollow rope-shaped object is a hollow rope woven by a wire, any part of the hollow rope includes a slit generated by weaving, and the slit is used for the first rope section or the second rope section to penetrate or penetrate out. The beneficial effects are that: the hollow rope formed by weaving the wires facilitates the penetration and the penetration of the rope end without arranging an opening for the penetration and the penetration at a specific position.
Optionally, a distance from the first opening to the second opening is equal to a distance from the third opening to the fourth opening. The beneficial effects are that: the sizes of the two rings of the 8-shaped knot ring are consistent.
Optionally, the fourth opening is adjacent to the second opening.
In order to achieve the above object, the present invention also provides a medical fixing device, comprising the above fixing apparatus,
drawings
FIG. 1 is a schematic view of a first embodiment of a fastening device according to the present invention;
FIG. 2 is a schematic structural view of a fastening instrument according to a second embodiment of the present invention;
FIG. 3 is a schematic view of a step S1 of a method of manufacturing a fixing device according to a first embodiment of the present invention;
FIG. 4 is a schematic view of a step S2 of a method of manufacturing a fixing device according to a first embodiment of the present invention;
FIG. 5 is a schematic view illustrating the first string portion passing through the center loop in step S3 of the method of manufacturing the fixing apparatus according to the first embodiment of the present invention;
FIG. 6 is a schematic view showing the tightening of the center ring in step S3 of the manufacturing method of the fixing instrument according to the first embodiment of the present invention;
FIG. 7 is a schematic view showing formation of a knot in step S3 of the method of manufacturing the fixing device according to the first embodiment of the present invention;
FIG. 8 is a schematic view of steps S4 and S5 of a method of manufacturing a fixing device according to a first embodiment of the present invention;
FIG. 9 is a schematic illustration of a second method of making a fixation device according to a second embodiment of the present invention, whereby a second strand segment is passed in reverse through a third opening in the strand and then out through a fourth opening in the strand;
FIG. 10 is a schematic view showing the formation of an 8-shaped knot in accordance with the method of manufacturing the fixing device in accordance with the second embodiment of the present invention;
FIG. 11 is a schematic view of a second embodiment of a method for manufacturing a fastening device according to step S4;
FIG. 12 is a diagram illustrating a step S5 of a method for manufacturing a fixing apparatus according to a second embodiment of the present invention;
FIG. 13 is a schematic view of the structure of the two-wire loop in parallel according to the embodiment of the present invention;
FIG. 14 is a schematic diagram of a configuration of two-wire loops crossing through the center of each other in an embodiment of the present invention;
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. As used herein, the word "comprising" and similar words are intended to mean that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items.
The embodiment of the invention provides a fixing instrument, which solves the problems in the prior art.
FIG. 1 is a schematic view of a first embodiment of the fastening device of the present invention.
Fig. 2 is a schematic structural view of a fixing instrument according to a second embodiment of the present invention.
In some embodiments of the present invention, referring to fig. 1 and 2, the fixation instrument comprises a ring portion 1, the ring portion 1 being comprised of a two-wire loop comprising a first wire loop 11 and a second wire loop 12; during the use process, the target tissue, which may be a ligament, is passed through the centers of the first wire loop 11 and the second wire loop 12 and is pulled by the first wire loop 11 and the second wire loop 12 to the bone to be fixed; a connecting part 2, wherein the connecting part 2 is connected with the ring part 1, and the connecting part 2 is used for being abutted with bones; an adjusting part 3, wherein the adjusting part 3 comprises a first end 31 and a second end 32, the first end 31 and the second end 32 are respectively connected with the first wire loop 11 and the second wire loop 12, and the first end 31 and the second end 32 are stretched to adjust the size of the first wire loop 11 and the second wire loop 12 and fix the target tissue with the bone.
In some embodiments of the present invention, referring to fig. 1 and 2, the knot portion 2 is formed by winding a coil around the o-shaped knot ring 51 or the 8-shaped knot ring 52, and the knot portion 2 is used to fix a titanium plate in the prior art, thereby achieving better fixing effect, bone abrasion reduction effect and longer service life of a fixing device than the titanium plate.
In some embodiments of the present invention, the knot part 2 includes a knot loop and a coil wound around the knot loop, and the coil is wound on a rope of the knot loop in such a manner as to pass through the center of the knot loop repeatedly.
In some embodiments of the present invention, the knot comprises an "o" shaped knot 51 or an "8" shaped knot 52, but the shape of the knot is not limited thereto.
In some embodiments of the present invention, referring to fig. 1, the loop is an "o" shaped loop 51, and the coil includes a first coil 61 wound around the "o" shaped loop 51.
In some embodiments of the present invention, referring to fig. 2, the knot is a 8-shaped knot 52, the second coil 62 is wound around one of the 8-shaped knot 52, and the knot part 2 further comprises a third coil 63 wound around the other of the 8-shaped knot 52; the second coil 62 is wound around the string of the 8-shaped loop 52 so as to pass repeatedly through the center of one loop of the 8-shaped loop 52, and the third coil 63 is wound around the string of the 8-shaped loop 52 so as to pass repeatedly through the center of the other loop of the 8-shaped loop 52.
In some embodiments of the present invention, the first coil 61 has 3, 5, 8, 10 or 15 windings.
In some embodiments of the present invention, referring to fig. 1, the first coil 61 has a winding number of 10.
In some embodiments of the present invention, the second coil 62 and the third coil 63 are wound for 3, 5, 8, 10 or 15 turns.
In some embodiments of the present invention, referring to fig. 2, the second coil 62 and the third coil 63 are wound for 8 turns.
Fig. 13 is a schematic view of a structure in which two wire loops are parallel to each other according to an embodiment of the present invention.
FIG. 14 is a schematic diagram of a configuration in which two wire loops cross through the center of each other in an embodiment of the present invention.
In some embodiments of the present invention, referring to fig. 13 and 14, the ring portion 1 is composed of two wire loops, and specifically, the ring portion 1 includes the first wire loop 11 and the second wire loop 12.
In some embodiments of the present invention, referring to fig. 13, the double loops are parallel to each other, and in particular, the first loop 11 and the second loop 12 are parallel to each other without passing through the center of each other.
In some embodiments of the present invention, referring to fig. 14, the two wire loops cross each other through the center, specifically, the first wire loop 11 passes through the center of the second wire loop 12, or the second wire loop 12 passes through the center of the first wire loop 11.
In some embodiments of the invention, the length of the two-wire loop is adjustable and a self-locking function is realized.
In some embodiments of the invention, the fixation device is used to fix soft tissues of the human body, including but not limited to ligaments and tendons.
FIG. 3 is a schematic view of a step S1 of a method of manufacturing a fixing device according to a first embodiment of the present invention; FIG. 4 is a schematic view of a step S2 of a method of manufacturing a fixing device according to a first embodiment of the present invention; FIG. 5 is a schematic view illustrating the first string portion passing through the center loop in step S3 of the method of manufacturing the fixing apparatus according to the first embodiment of the present invention;
FIG. 6 is a schematic view showing the tightening of the center ring in step S3 of the manufacturing method of the fixing instrument according to the first embodiment of the present invention; FIG. 7 is a schematic view showing formation of a knot in step S3 of the method of manufacturing the fixing device according to the first embodiment of the present invention; fig. 8 is a schematic view of steps S4 and S5 of the method for manufacturing the fixing device according to the first embodiment of the present invention.
Embodiments of the present invention also provide a method for manufacturing a fastening device, including the following steps S1 to S5.
Referring to fig. 3, S1 provides a hollow rope comprising rope segments including a first rope segment 41 and a second rope segment 42, in particular, the first rope end 41 and the second rope end 42 are located at both sides of the rope bend.
Referring to fig. 4, S2 is to pass the first rope segment 41 through the first opening of the rope and out the second opening of the rope along the direction of the second rope segment 42, i.e. the direction a shown in the figure, and the bend of the rope forms a center loop.
Referring to fig. 5, 6 and 7, S3 passes the first cord segment 41 through the center loop and tightens the center loop to form the nesting portion of the cords into an "o" shaped knot 51.
Referring to fig. 8, S4 passes the rope portion through the "o" -shaped knot loop 51 and winds around the "o" -shaped knot loop 51 in the same direction to form a knot 2.
Referring to fig. 8, S5 reverses the first rope segment 41 and the second rope segment 42, passes through the "o" -shaped knot ring 51, and a portion passing through the "o" -shaped knot ring 51 forms an adjusting part 3 and the other portion forms a ring part 1.
In some embodiments of the present invention, referring to fig. 8, the step of S4 includes: the first rope portion 41 and the second rope portion 42 are jointly wound around the "o" -shaped knot 51, the first rope portion 41 and the second rope portion 42 jointly forming a first loop 61.
FIG. 9 is a schematic illustration of a second method of making a fixation device according to a second embodiment of the present invention, whereby a second strand segment is passed in reverse through a third opening in the strand and then out through a fourth opening in the strand; FIG. 10 is a schematic view showing the formation of an 8-shaped knot in accordance with the method of manufacturing the fixing device in accordance with the second embodiment of the present invention; FIG. 11 is a schematic view of a second embodiment of a method for manufacturing a fastening device according to step S4; fig. 12 is a schematic view of a step S5 of a method for manufacturing a fixing device according to a second embodiment of the present invention.
In some embodiments of the present invention, referring to fig. 9 and 10, between step S3 and step S4, there is further included: second cord segment 42 is reversed, shown as direction B, to pass through a third opening in the cord and then through a fourth opening in the cord, and second cord segment 42 is pulled taut such that the nesting portion of the cords forms an "8" shaped knot 52.
In some embodiments of the present invention, referring to fig. 11, in step S4, the winding around the knot ring includes: winding the first rope segment 41 around one loop of the 8-shaped knot 52 to form a second coil 62 wound around the 8-shaped knot 52; the second cord segment 42 is wrapped around the other loop of the "8" knot 52 to form a third coil 63 wrapped around the "8" knot 52.
In some embodiments of the present invention, in step S4, the first rope segment 41 and the second rope segment 42 are wound around the knot ring together for 3, 5, 8, 10 or 15 turns.
In some embodiments of the present invention, referring to fig. 8, in step S4, the sum of the number of turns of the first rope segment 41 and the second rope segment 42 wound around the "o" shaped knot 51 is 10.
In some embodiments of the invention, in step S4, the number of turns of winding the first rope segment 41 around one loop of the "8" shaped knot 52 is 3, 5, 8, 10 or 15, and the number of turns of winding the second rope segment 42 around the other loop of the "8" shaped knot 52 is 3, 5, 8, 10 or 15.
In some embodiments of the present invention, referring to fig. 12, in step S4, the number of turns of the first rope portion 41 wound around one ring of the "8" shaped knot 52 is 8, and the number of turns of the second rope portion 42 wound around the other ring of the "8" shaped knot 52 is 8.
In some embodiments of the present invention, referring to fig. 13, the step of S5 includes: the first rope portion 41 and the second rope portion 42 are parallelly passed through the knot so that the double loops are parallel to each other.
In some embodiments of the present invention, referring to fig. 14, the step S5 includes: the first and second rope portions 41 and 42 are crossed and then passed through the knot so that the two-wire loop crosses through the centers of each other.
In some embodiments of the present invention, the step S5 includes threading the first rope segment 41 into the second rope segment 42 and then out, and passing through the "o" shaped knot 51; the second rope segment 42 is threaded into the first rope segment 41 and then threaded out, and passes through the o-shaped knot ring 51.
In some embodiments of the invention, step S5 includes threading the first cord segment 41 into the second cord segment 42 and out through one loop of the "8" shaped knot 52; the second rope portion 42 is threaded into the first rope portion 41 and then threaded out, and threaded through the other loop of the 8-shaped knot 52.
In some embodiments of the invention, the first rope portion 41 passes into the second rope portion 42 and then out through a fifth opening located on the second rope portion 42 and near the knot portion 2; the second rope portion 42 penetrates into the first rope portion 41 and then passes out of a sixth opening, which is located on the first rope portion 41 and close to the knot portion 2.
In some embodiments of the invention, the hollow rope is a wire-braided hollow rope, and any part of the hollow rope comprises a slit resulting from the braiding, and the slit is used for the first rope segment or the second rope segment to pass in or out.
In some embodiments of the present invention, the distance between the first opening and the second opening is equal to the distance between the third opening and the fourth opening, and the two loops of the "8" -shaped knot formed in this way have the same size, so that the size of the two sides of the knot portion 2 formed based on the "8" -shaped knot is uniform.
In some embodiments of the present invention, the fourth opening is adjacent to the second opening.
The embodiment of the invention also provides a medical fixing device which comprises the fixing instrument.
Although the embodiments of the present invention have been described in detail hereinabove, it is apparent to those skilled in the art that various modifications and variations can be made to these embodiments. However, it is to be understood that such modifications and variations fall within the scope and spirit of the present invention as set forth in the following claims. Moreover, the invention as described herein is capable of other embodiments and of being practiced or of being carried out in various ways.

Claims (25)

1. A fixation device formed from a rope weave, the fixation device comprising:
a ring portion comprising a wire loop for passage of a target tissue;
the knot part is connected with the ring part and is used for abutting against a bone;
the adjusting part is connected with the ring part and used for adjusting the size of the wire ring and tightening the wire ring to fix the target tissue and the bone in the using process.
2. The fastening instrument of claim 1, wherein the knot portion comprises a knot loop and a coil wound around the knot loop.
3. The fastening instrument of claim 2, wherein the loop is an "o" loop, the coil comprising a first coil wound around the "o" loop.
4. The fastening instrument of claim 2, wherein the loops are "figure 8" loops, and the coils comprise a second coil wound around one of the "figure 8" loops and a third coil wound around the other of the "figure 8" loops.
5. The securing instrument of claim 3, wherein the first coil has a number of windings greater than or equal to 3 and less than or equal to 15.
6. The securing instrument of claim 4, wherein the second and third coils have a number of windings greater than or equal to 3 and less than or equal to 15.
7. The fixation instrument of claim 1, wherein the loop portion is comprised of a two-wire loop.
8. The securing instrument of claim 7, wherein the two-wire loops are parallel to each other.
9. The securing instrument of claim 7, wherein the two-wire loops cross through the center of each other.
10. A fixation instrument as claimed in claim 1, wherein the target tissue is a human soft tissue including a ligament, tendon, or shoulder trivia.
11. A method of manufacturing a fixation device, comprising the steps of:
s1 providing a hollow rope, the rope comprising rope segments, the rope segments comprising a first rope segment and a second rope segment;
s2, the first rope segment is threaded in from the first opening on the rope-shaped object and threaded out from the second opening on the rope-shaped object along the direction of the second rope segment, and the bending part of the rope-shaped object forms a center ring;
s3, passing the first rope segment through the central loop and tightening the central loop to form a knot loop in the nesting part of the rope;
s4, the rope section passes through the knot ring and is wound on the knot ring to form a knot part;
s5 passing the first and second rope portions through the knot in opposite directions, a portion passing through the knot forming an adjustment portion and another portion forming a loop portion.
12. The method of manufacturing a fixation apparatus as claimed in claim 11, wherein the step of S4 includes: winding the first cord segment and the second cord segment together around the knot loop, the first cord segment and the second cord segment together forming a first loop.
13. The method of manufacturing a fixation instrument of claim 11, further comprising, between steps S3 and S4: and reversely penetrating a second rope segment from a third opening on the rope, then penetrating from a fourth opening on the rope, and tensioning the second rope segment to enable the nesting part of the rope to form an 8-shaped knot.
14. The method of manufacturing a fixation device as claimed in claim 13, wherein said winding around said knot in step S4 includes: winding the first cord segment around one loop of the "8" shaped knot to form a second coil wound around the knot; winding the second rope segment around the "8"
Forming another loop of the zigzag knot to form a third coil wound around the knot.
15. The method of manufacturing a fastening device according to claim 12, wherein the first string portion and the second string portion are wound around the knot loop at S4 for a number of turns equal to or greater than 3 and equal to or less than 15.
16. The method of claim 14, wherein in step S4, the first string segment is wound around one loop of the "8" shaped knot with a number of turns greater than or equal to 3 and less than or equal to 15, and the second string segment is wound around the other loop of the "8" shaped knot with a number of turns greater than or equal to 3 and less than or equal to 15.
17. The method for manufacturing a fixing apparatus according to claim 11, wherein the step S5 includes: passing the first rope segment and the second rope segment in parallel through the knot.
18. The method of manufacturing a fixation apparatus as claimed in claim 11, wherein the step of S5 includes: and crossing the first rope segment and the second rope segment and then penetrating the knot ring.
19. The method of manufacturing a fixation device as claimed in claim 15, wherein the step S5 includes threading the first segment of the cord into the second segment of the cord and out through the knot loop; and the second rope segment penetrates into the first rope segment and then penetrates out, and penetrates through the knot ring.
20. The method of claim 16, wherein the step S5 includes threading the first segment of the cord into the second segment of the cord and out through one of the loops of the "8" -shaped knot; and the second rope segment penetrates into the first rope segment and then penetrates out, and penetrates through the other ring of the 8-shaped knot ring.
21. The method of manufacturing a fixation device as claimed in claim 19 or 20, wherein said first strand portion is threaded into said second strand portion and then threaded out through a fifth opening located on said second strand portion and adjacent to said knot portion; the second rope section penetrates into the first rope section and then penetrates out of a sixth opening, and the sixth opening is located on the first rope section and close to the knot portion.
22. The method of manufacturing a fixation device of claim 11, wherein the hollow rope is a wire-braided hollow rope, the hollow rope including a slit at any point resulting from the braiding, the slit being used for the first or second rope segment to pass in or out.
23. The method of manufacturing a fixation instrument of claim 13, wherein a distance from the first opening to the second opening is equal to a distance from the third opening to the fourth opening.
24. The method of manufacturing a fixation instrument of claim 23, wherein the fourth opening is adjacent to the second opening.
25. A medical fixation device comprising a fixation apparatus as claimed in any one of claims 1 to 10.
CN202210260254.1A 2022-03-16 2022-03-16 Fixing device, manufacturing method thereof and medical fixing device Active CN114652379B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023173704A1 (en) * 2022-03-16 2023-09-21 上海利格泰生物科技有限公司 Fastening instrument, manufacturing method therefor, and medical fastening device
CN117958883A (en) * 2024-03-29 2024-05-03 北京天星医疗股份有限公司 Joint ligament full suture repair assembly

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109350149A (en) * 2018-11-28 2019-02-19 北京天星博迈迪医疗器械有限公司 A kind of ligamentaum cruciatum repairs structure and restorative procedure
US20190090866A1 (en) * 2017-09-22 2019-03-28 Arthrex, Inc. Knotless surgical technique
CN110680428A (en) * 2019-09-30 2020-01-14 宁波华科润生物科技有限公司 Length-adjustable lifting ring fixing plate
US20200315774A1 (en) * 2016-05-31 2020-10-08 Zurimed Technologies Ag Loop/ button system for tendon and ligament reconstruction
CN112315529A (en) * 2020-11-30 2021-02-05 上海傲派医疗科技有限公司 A loop and a method for manufacturing the loop
CN112545592A (en) * 2019-09-26 2021-03-26 美多斯国际有限公司 One-way adjustable loop suture constructs and methods of forming and using same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8828053B2 (en) * 2009-07-24 2014-09-09 Depuy Mitek, Llc Methods and devices for repairing and anchoring damaged tissue
CN109890303B (en) * 2016-11-03 2022-09-09 史密夫和内修有限公司 Tissue repair assemblies and systems with soft anchor implants
US11246584B2 (en) * 2018-03-23 2022-02-15 Conmed Corporation All-suture anchor and deployment assembly
US11684468B2 (en) * 2018-11-06 2023-06-27 Arthrex, Inc. Surgical construct with adjustable loops and sliding knot
CN113853170A (en) * 2019-06-14 2021-12-28 史密夫和内修有限公司 Soft Anchoring Tissue Repair Components and Systems
CN114652379B (en) * 2022-03-16 2023-09-05 上海利格泰生物科技股份有限公司 Fixing device, manufacturing method thereof and medical fixing device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200315774A1 (en) * 2016-05-31 2020-10-08 Zurimed Technologies Ag Loop/ button system for tendon and ligament reconstruction
US20190090866A1 (en) * 2017-09-22 2019-03-28 Arthrex, Inc. Knotless surgical technique
CN109350149A (en) * 2018-11-28 2019-02-19 北京天星博迈迪医疗器械有限公司 A kind of ligamentaum cruciatum repairs structure and restorative procedure
CN112545592A (en) * 2019-09-26 2021-03-26 美多斯国际有限公司 One-way adjustable loop suture constructs and methods of forming and using same
CN110680428A (en) * 2019-09-30 2020-01-14 宁波华科润生物科技有限公司 Length-adjustable lifting ring fixing plate
CN112315529A (en) * 2020-11-30 2021-02-05 上海傲派医疗科技有限公司 A loop and a method for manufacturing the loop

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023173704A1 (en) * 2022-03-16 2023-09-21 上海利格泰生物科技有限公司 Fastening instrument, manufacturing method therefor, and medical fastening device
CN117958883A (en) * 2024-03-29 2024-05-03 北京天星医疗股份有限公司 Joint ligament full suture repair assembly

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