CN110565262B - Full suture anchor weaving method - Google Patents
Full suture anchor weaving method Download PDFInfo
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- CN110565262B CN110565262B CN201910788063.0A CN201910788063A CN110565262B CN 110565262 B CN110565262 B CN 110565262B CN 201910788063 A CN201910788063 A CN 201910788063A CN 110565262 B CN110565262 B CN 110565262B
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
- D04C1/00—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof
- D04C1/02—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof made from particular materials
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
- D04C1/00—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof
- D04C1/06—Braid or lace serving particular purposes
- D04C1/12—Cords, lines, or tows
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
- D10B2321/021—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polyethylene
- D10B2321/0211—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polyethylene high-strength or high-molecular-weight polyethylene, e.g. ultra-high molecular weight polyethylene [UHMWPE]
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2509/00—Medical; Hygiene
- D10B2509/04—Sutures
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Textile Engineering (AREA)
- Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)
Abstract
The invention discloses a weaving method of a full suture anchor, wherein the full suture anchor comprises a suture and a flexible fixed knot, the flexible fixed knot is formed by weaving a plurality of strands of yarns, a preset suture is introduced in the weaving process of the flexible fixed knot, so that the flexible fixed knot is at least one section of a corresponding section of a core-spun weaving suture, and the flexible fixed knot and the suture can relatively slide to form an expansion anchoring part. The knitting method of the full suture anchor is formed by weaving the knotted yarns and the preset sutures, can reduce human errors, avoids deviation and breakage of the suture anchor in the threading process, and improves the production efficiency and the product quality.
Description
Technical Field
The invention discloses a weaving method of a full suture anchor, belonging to the technical field of medical appliance manufacture according to the classification of International Patent Classification (IPC).
Background
The suture anchor technology is widely used for connecting and fixing soft tissue and bone tissue, common anchor materials comprise metal, PEEK and absorbable materials, and a traditional anchor needs a larger anchor hole and has larger damage to bone.
With the progress of science and technology, a thread anchor is adopted when soft tissues are connected and fixed with bone tissues, the existing thread anchor is generally formed by manually inserting braided rope threads, the threads can be broken or not inserted from the middle in an halving mode during inserting, and the threads can deviate during contraction, so that the problems of human errors, product damage, low production efficiency and the like exist.
There is presently a full-wire anchor comprising a first suture, the first suture having a first length; a second suture disposed parallel to the first suture, the second suture having a second length; the shrinkage deformation part is a cylindrical braided fabric with a first braided pattern, the cylindrical braided fabric is provided with an inner cavity, the inner cavity forms a containing part, and the first suture line and the second suture line pass through the inner cavity in parallel; in another type of full suture anchor, a first suture and a second suture are included; the second suture is sleeved on the first suture; in both of the above documents, the anchor is formed with an axial bore in one of the sutures to allow the other suture or both sutures to pass through, and the suture with the bore is inefficient to weave and is easily displaced when contracted into a knot.
Disclosure of Invention
In view of the deficiencies of the prior art, the present invention provides a method of braiding a full suture anchor.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a weaving method of a full suture anchor comprises a suture and a flexible fixing knot, wherein the flexible fixing knot is formed by weaving a plurality of strands of yarns, a preset suture is introduced in the weaving process of the flexible fixing knot, so that the flexible fixing knot is at least one section of a corresponding section of a core-spun weaving suture, and the flexible fixing knot and the suture can slide relatively to form an expansion anchoring part.
Further, during the process of weaving the flexible fixed knot by using the core-spun yarns, a suture line is led in from one side of the flexible fixed knot, the leading-in end of the suture line is positioned in the weaving direction of the flexible fixed knot, the suture line arranged in the flexible fixed knot is positioned in the center of each yarn, each strand of yarn is woven to wrap one section of the suture line, and the core-spun woven suture line is moved out from the entering side or the other side of the flexible fixed knot.
Furthermore, before or after the suture and the flexible fixed knot core-spun are woven, the suture and the flexible fixed knot core-spun are woven in a crossed mode to form a guide support capable of sliding relatively.
Further, the cross knitting is that after the flexible fixed knot is knitted for a distance, a preset suture line penetrates through the space between the knitted rope line and the non-knitted yarn to form the penetration, the suture line separates the non-knitted yarn into two halves during the penetration, the suture line is close to the intersection of the knitted section, two ends of the preset suture line are fixed, and the flexible fixed knot is continuously knitted.
Furthermore, the flexible fixing knot is formed by weaving more than 8 strands of yarns, the flexible fixing knot material comprises ultra-high molecular weight polyethylene yarns or polyester yarns, the yarns are fixed on a weaving machine for weaving and forming, the preset suture line adopts surgical suture lines, and one or more of the surgical suture lines can be selected and arranged according to requirements.
A method of braiding a full suture anchor, the steps comprising:
weaving the flexible fixing thread knots first;
after weaving for a certain distance, a preset suture line crosses and penetrates between the woven rope line and the non-woven yarn leftwards, and the non-woven yarn is divided into two halves by the suture line during the penetration;
the flexible fixing knot is continuously woven for a section;
the suture line crosses to the right between the braided rope line and the non-braided yarn;
the flexible fixing knot is continuously woven for a section;
the suture line enters the yarns of the flexible fixed knot from the right side of the flexible fixed knot for core-spun weaving, and the suture line is moved out from the right side of the flexible fixed knot after the core-spun weaving is carried out for a section;
the flexible fixing knot is continuously woven for a section;
the suture line crosses and passes between the yarns of the flexible fixing knot in the weaving leftwards;
the flexible fixing knot is continuously woven for a section;
the suture line crosses and passes between the yarns of the flexible fixed knot in the weaving rightwards;
and (5) flexibly fixing the knot for weaving until the knot is finished.
A method of braiding a full suture anchor, the steps comprising:
weaving the flexible fixing thread knots first;
after weaving for a distance, the suture line enters between the yarns of the flexible fixed knot from the right side of the flexible fixed knot to carry out first core-spun weaving, and the suture line moves out from the right side of the flexible fixed knot after core-spun weaving for a section;
the flexible fixing knot is continuously woven for a section;
the suture line enters the yarns of the flexible fixed knot from the right side of the flexible fixed knot to carry out core-spun weaving for the second time, and the suture line is moved out from the right side of the flexible fixed knot after the core-spun weaving is carried out for a section;
the flexible fixing knot is continuously woven for a section;
the suture line enters the yarns of the flexible fixed knot from the right side of the flexible fixed knot to carry out core-spun weaving for the third time, and the suture line is moved out from the right side of the flexible fixed knot after the core-spun weaving is carried out for a section;
and (5) flexibly fixing the knot for weaving until the knot is finished.
The invention relates to a knitting method of a full suture anchor, which is formed by weaving knot yarns and preset sutures in a matching way. The invention has the following beneficial effects:
1. the invention can reduce human error and avoid deviation and breakage of the wire anchor in the threading process.
2. The invention can control the cross pitch by weaving, and the produced full-line anchor has uniformity and no waste.
3. The invention improves the production efficiency and the product quality.
Drawings
Fig. 1 is a schematic view of a knitting machine structure to which the present invention is applied.
Fig. 2 is a distribution diagram of a braiding machine spindle according to the invention.
Fig. 3 is a schematic cross-knitting diagram of an embodiment of the present invention.
Fig. 4 is a schematic view of core-spun weaving according to an embodiment of the present invention.
FIG. 5 is a schematic view of a full suture anchor and use of the present invention.
FIG. 6 is a schematic view of another full suture anchor and use of the present invention.
Fig. 7 is a knitting flow chart of the knitting machine of the present invention.
Fig. 8 is a perspective view of the knitting process of the knitting machine of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
example (b): referring to fig. 1 to 6, a method for braiding a full suture anchor includes a suture 1 and a flexible fixing knot 2, the flexible fixing knot 2 is braided by a plurality of yarns, a preset suture 1 is introduced during braiding of the flexible fixing knot 2, so that the flexible fixing knot is at least a corresponding section of a core-spun braided suture, and the flexible fixing knot 2 and the suture 1 can slide relatively to form an expansion anchor. The core-spun weaving is that in the process of weaving the flexible fixed knot 2 by a plurality of strands of yarns, a suture line 1 is led in from one side of the flexible fixed knot 2, the leading-in end of the suture line 1 is positioned in the weaving direction of the flexible fixed knot 2, the suture line arranged in the flexible fixed knot is positioned in the center of each yarn, each strand of yarn is woven to wrap one section of the suture line, and the suture line after core-spun weaving is moved out from the entering side or the other side of the flexible fixed knot. The invention relates to a full suture braided anchor, also called a suture anchor, which is characterized in that a small amount of material is used for achieving sufficient drawing strength and higher fixing strength, the diameter is small, the shallow insertion reduces bone damage to a certain extent, in addition, the small diameter and the tunnel are short, the possibility of collision with other anchors is reduced, and the anchor can be extruded in a small space for fixing.
The invention relates to a weaving method of a full suture anchor, which forms a relatively sliding guide support through cross weaving before or after core-spun weaving of a suture 1 and a flexible fixed knot 2. In the cross knitting, after the flexible fixed knot is knitted for a distance, a preset sewing thread penetrates through the knitted rope thread and the non-knitted yarn to form interpenetration, the non-knitted yarn is divided into two halves by the sewing thread during the interpenetration, the sewing thread is close to the intersection of the knitted section, two ends of the preset sewing thread are fixed, and the flexible fixed knot is continuously knitted.
The core-spun structural section formed by core-weaving of the present invention is characterized in that a suture thread is passed through the interior of the woven wire anchor. When the flexible fixing knot is contracted relative to the suture, the core-spun structural section is contracted along with the shortening of the length of the section and the expansion of the wire diameter to form a knot after the suture is tensioned except for the folding and the expansion of the penetrating structural section formed by cross weaving, and meanwhile, the folding parts at two sides are clamped in a bone channel. Compared with the implanted bone tissue channel used by the fully-folded knot anchor, the core-spun structure formed by core-spun weaving is shorter, and the core-spun section wire anchor plays a role in expanding the diameter of the whole wire anchor.
In the invention, the flexible fixing knot 2 is formed by weaving more than 8 strands of yarns, such as 8 strands of yarns and 16 strands of yarns, the flexible fixing knot material comprises ultra-high molecular weight polyethylene yarns or polyester yarns, the yarns are fixed on a weaving machine for weaving and forming, the preset suture line adopts surgical suture lines, and one or more of the surgical suture lines can be selected and arranged according to requirements.
The thread-knot material comprises ultra-high molecular weight polyethylene yarn or polyester yarn or other equivalent functional yarn, the yarn is fixed on a knitting machine 3, wherein 16 spindles or 8 spindles can be used as spindles of the knitting machine, the preset suture thread 1 can be common surgical suture threads, and one or more threads can be selected and arranged according to requirements, for example, fig. 1 shows a structural schematic diagram of the knitting machine, and the structural schematic diagram comprises a gear transmission box 31, a horse walking spindle (spindle) 32, a cylinder with a guide rod 33, a movable air claw 34, a movable traction wheel 341, a conversion fixer 35, a movable rod 36, a movable lifter 37, a knitting machine crossbeam 38, a traction wheel 39 and the like. According to the invention, the movable traction wheel 341 is fixedly connected with the movable air claw 34 on the left side or the right side of the rack in an electromagnetic suction mode, when the movable traction wheel is moved to the left side or the right side, the electromagnet is triggered to be powered on or powered off, the magnetic attraction force disappears after the power is off, and the magnetic attraction force generated by the power-on adsorbs and fixes the movable traction wheel, so that the transposition of the movable traction wheel is completed, and the process is shown in fig. 7 and 8, wherein the movable traction wheel 341 in the drawing is matched with the conversion fixer 35 and the air cylinder 33 with the guide rod in an operation mode, so that the transposition from the left side to the right side is completed. The movable traction wheel 8 comprises a movable seat 81 and an upper traction wheel 82, the movable seat is provided with a left fixing part and a right fixing part, the movable air claw 341 comprises a positioning part and a matched electromagnet, the on-off of the electromagnet is controlled by a trigger button 340, and the electromagnet is electrified to generate magnetic force to adsorb the movable seat so that the positioning part is fixedly sleeved with the left fixing part or the right fixing part. The steps 351 and 352 are arranged on two sides of the conversion fixer 35 alternately, as shown in fig. 8, when the conversion fixer moves forwards and backwards, two sides of the button are contacted, the right button is pressed leftwards, the left button is pressed rightwards, and the steps are used for avoiding the trigger button of the movable air claw from being empty when the movable air claw is matched with the conversion fixer, so that the electromagnet circuit of the movable air claw is not triggered, and the operation is continued in the original state.
The weaving method related to the patent comprises the following steps of 'cross weaving' and 'core-spun weaving':
weaving: (FIG. 2)
The mechanical drive moves the yarn 11 on the braiding machine spindle to braid according to the operation mode of fig. 2. The black spindle 321 drives the yarn to rotate counterclockwise in a zigzag manner, and the white spindle 322 drives the yarn to rotate clockwise in an S-shape. The yarns on the black and white spindles are interlaced to form a crossover point each time they pass over a rotating disc 30. The 16-spindle braiding machine spindle rotates once, 8 cross points are formed in the axial direction of the braiding line, and the length of the 8 cross points is 1 pitch.
The knitting method in the scheme does not need to be continuous, and can be automatically programmed or manually adjusted in the knitting process according to requirements. The fixing device comprises guide rods and conversion fixing devices 35, the guide rods are positioned on two sides of the outer portion of the woven yarn, and the conversion fixing devices 35 are positioned in the middle of the rotary table and on the inner side of the non-woven yarn.
And (3) crossing: (FIG. 3)
After a certain distance of knitting by the knitting machine, the pre-arranged sewing thread passes through the space between the knitted rope thread and the non-knitted yarn in the mode of figure 3-A, and forms interpenetration. During the insertion, the pre-arranged suture line is used for dividing the non-woven yarns into two halves, is close to the crossing part of the woven section and is fixed at two ends. The pre-placed sutures may consist of one or more sutures placed side by side. The pattern of fig. 3-B will be formed after continued operation of the knitting machine. The unwoven yarn portions may continue to be spliced cross-plied or core-spun in the pattern of fig. 3-B.
The crossing pattern may be divided into left crossing and right crossing. In the manner of fig. 3-a, to the left, the left-end protruding pre-set suture may continue to be cross-woven or core-woven with the unbraided strand segments. One end of the preset suture is fixed on the positioning traction wheel, the other end can be wound by the movable traction wheel 341, and the traction wheel is connected on the movable air claw 34 in an electromagnetic attraction way. The movable air claw is connected and fixed with the guide rods (the guide rod ends of the air cylinders) at the left and the right sides as required, as shown in figures 1, 7 and 8.
Core-wrapping: (FIG. 4)
In the manner of fig. 4-a, one end of the preplaced suture is secured to a positioning traction wheel, the other end can be wrapped with a traction wheel, and the traction wheel is secured to a conversion fixture. After being fixed in this manner and continued operation of the knitting machine, the pattern of fig. 4-B will be formed. The braided portion may enclose the pre-placed suture.
The pull wheel wrapped around one end of the braided pre-placed suture may be returned to the left or right moving pull wheel from the shifting fixture. The left air claw is fixed to the left air claw for left in or left out, the right air claw is fixed to the right air claw for right in or right out, the suture thread is arranged to be right in fig. 4-a, and the unwoven yarn part can be continuously connected and crossed or core-spun and woven after the core-spun preset suture thread is removed (for short, used in the following description of the embodiment).
Two specific weaving modes of the full suture anchor are as follows:
1. as shown in figure 5-a of the drawings,
weaving → crossing (leftward) → weaving → crossing (rightward) → weaving → covering (rightward advancing → weaving → rightward going) → weaving → crossing (leftward) → weaving → crossing (rightward) → weaving
A method of braiding a full suture anchor, the steps comprising:
weaving the flexible fixing thread knots first;
after weaving for a certain distance, a preset suture line crosses and penetrates between the woven rope line and the non-woven yarn leftwards, and the non-woven yarn is divided into two halves by the suture line during the penetration;
the flexible fixing knot is continuously woven for a section;
the suture line crosses to the right between the braided rope line and the non-braided yarn;
the flexible fixing knot is continuously woven for a section;
the suture line enters the yarns of the flexible fixed knot from the right side of the flexible fixed knot for core-spun weaving, and the suture line is moved out from the right side of the flexible fixed knot after the core-spun weaving is carried out for a section;
the flexible fixing knot is continuously woven for a section;
the suture line crosses and passes between the yarns of the flexible fixing knot in the weaving leftwards;
the flexible fixing knot is continuously woven for a section;
the suture line crosses and passes between the yarns of the flexible fixed knot in the weaving rightwards;
and (5) flexibly fixing the knot for weaving until the knot is finished.
2. FIG. 6-A
Weaving → core wrapping (left advancing → weaving → right exiting) → weaving
A method of braiding a full suture anchor, the steps comprising:
weaving the flexible fixing thread knots first;
after weaving for a distance, the suture line enters between the yarns of the flexible fixed knot from the right side of the flexible fixed knot to carry out first core-spun weaving, and the suture line moves out from the right side of the flexible fixed knot after core-spun weaving for a section;
the flexible fixing knot is continuously woven for a section;
the suture line enters the yarns of the flexible fixed knot from the right side of the flexible fixed knot to carry out core-spun weaving for the second time, and the suture line is moved out from the right side of the flexible fixed knot after the core-spun weaving is carried out for a section;
the flexible fixing knot is continuously woven for a section;
the suture line enters the yarns of the flexible fixed knot from the right side of the flexible fixed knot to carry out core-spun weaving for the third time, and the suture line is moved out from the right side of the flexible fixed knot after the core-spun weaving is carried out for a section;
and (5) flexibly fixing the knot for weaving until the knot is finished.
In addition, the same results were obtained by reversing the orientation of the two full suture anchors shown in FIGS. 5-A and 6-A and performing the above steps.
After removal of the conventional fully fabricated suture anchor, the head of the braided flexible retaining knot needs to be set to prevent loosening during use. The treatment method can adopt a melting cutting method or a glue bonding method, and the braided wire anchor is cut at the position needing to be cut.
The two processed full suture anchors are composed of a preset suture and a flexible fixed knot or a suture anchor, and the flexible fixed knot can move on the preset suture in a telescopic mode. The pre-placed suture 1 is then straightened and folded at the middle section of the flexible fixation knot to form an expansion, as shown in fig. 5-B and fig. 6-B. The full-wire anchor with the shape is matched with an implanting instrument for use, the full-wire anchor is implanted into human bone tissue 4, and the preset suture is pulled after the full-wire anchor is implanted to enable the full-wire anchor to contract longitudinally and expand transversely, and resistance generated by expansion is enough to enable the full-wire anchor to be fixed in the bone tissue to finish anchoring.
The above description is only an embodiment utilizing the technical content of the present disclosure, and any modification and variation made by those skilled in the art can be covered by the claims of the present disclosure, and not limited to the embodiments disclosed.
Claims (6)
1. A method of braiding a full suture anchor, comprising: the full suture anchor comprises a suture and a flexible fixed knot, wherein the flexible fixed knot is formed by weaving a plurality of strands of yarns, a preset suture is introduced in the weaving process of the flexible fixed knot, so that the flexible fixed knot is at least one section of a corresponding section of a core-spun woven suture, and the flexible fixed knot and the suture can slide relatively to form an expansion anchoring part;
the suture line and the flexible fixed knot core-spun yarn are woven before or after being crossed and woven to form a guide support sliding relatively.
2. The method of claim 1 wherein the method of braiding a full suture anchor comprises: the core-spun weaving is that in the process of weaving the flexible fixed knot by a plurality of strands of yarns, a suture is led in from one side of the flexible fixed knot, the leading-in end of the suture is positioned in the weaving direction of the flexible fixed knot, the suture arranged in the flexible fixed knot is positioned at the center of each yarn, each strand of yarn is woven to wrap one section of the suture, and the suture after core-spun weaving is moved out from the inlet side or the other side of the flexible fixed knot.
3. The method of claim 1 wherein the method of braiding a full suture anchor comprises: in the cross knitting, after the flexible fixed knot is knitted for a distance, a preset sewing thread penetrates through the knitted rope thread and the non-knitted yarn to form interpenetration, the non-knitted yarn is divided into two halves by the sewing thread during the interpenetration, the sewing thread is close to the intersection of the knitted section, two ends of the preset sewing thread are fixed, and the flexible fixed knot is continuously knitted.
4. The method of claim 1 wherein the method of braiding a full suture anchor comprises: the flexible fixing knot is formed by weaving more than 8 strands of yarns, the flexible fixing knot material comprises ultra-high molecular weight polyethylene yarns or polyester yarns, and the yarns are fixed on a weaving machine to be woven and formed.
5. A method of braiding a full suture anchor, comprising the steps of:
weaving the flexible fixing thread knots first;
after weaving for a certain distance, a preset suture line crosses and penetrates between the woven rope line and the non-woven yarn leftwards, and the non-woven yarn is divided into two halves by the suture line during the penetration;
the flexible fixing knot is continuously woven for a section;
the suture line crosses to the right between the braided rope line and the non-braided yarn;
the flexible fixing knot is continuously woven for a section;
the suture line enters the yarns of the flexible fixed knot from the right side of the flexible fixed knot for core-spun weaving, and the suture line is moved out from the right side of the flexible fixed knot after the core-spun weaving is carried out for a section;
the flexible fixing knot is continuously woven for a section;
the suture line crosses and passes between the yarns of the flexible fixing knot in the weaving leftwards;
the flexible fixing knot is continuously woven for a section;
the suture line crosses and passes between the yarns of the flexible fixed knot in the weaving rightwards;
and (5) flexibly fixing the knot for weaving until the knot is finished.
6. A method of braiding a full suture anchor, comprising the steps of:
weaving the flexible fixing thread knots first;
after weaving for a distance, the suture line enters between the yarns of the flexible fixed knot from the right side of the flexible fixed knot to carry out first core-spun weaving, and the suture line moves out from the right side of the flexible fixed knot after core-spun weaving for a section;
the flexible fixing knot is continuously woven for a section;
the suture line enters the yarns of the flexible fixed knot from the right side of the flexible fixed knot to carry out core-spun weaving for the second time, and the suture line is moved out from the right side of the flexible fixed knot after the core-spun weaving is carried out for a section;
the flexible fixing knot is continuously woven for a section;
the suture line enters the yarns of the flexible fixed knot from the right side of the flexible fixed knot to carry out core-spun weaving for the third time, and the suture line is moved out from the right side of the flexible fixed knot after the core-spun weaving is carried out for a section;
and (5) flexibly fixing the knot for weaving until the knot is finished.
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| JP7325047B2 (en) * | 2020-01-17 | 2023-08-14 | オリンパス株式会社 | Circular braid-making machine for waveguide outer conductor and method for manufacturing flexible waveguide |
| WO2022002087A1 (en) * | 2020-07-01 | 2022-01-06 | 杭州德诺电生理医疗科技有限公司 | Occluder and occluding system |
| CN112494174A (en) * | 2020-11-19 | 2021-03-16 | 张强 | Interface rivet weaving nail sheath device and manufacturing method thereof |
| CN116421244B (en) * | 2023-06-13 | 2023-09-05 | 二零二零（北京）医疗科技有限公司 | Suture line structure in medical operation and manufacturing process |
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| CN109394284A (en) * | 2017-08-17 | 2019-03-01 | 北京德益达美医疗科技有限公司 | All fronts holdfast |
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