CN114469236A - Medical elastic thread - Google Patents
Medical elastic thread Download PDFInfo
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- CN114469236A CN114469236A CN202210266804.0A CN202210266804A CN114469236A CN 114469236 A CN114469236 A CN 114469236A CN 202210266804 A CN202210266804 A CN 202210266804A CN 114469236 A CN114469236 A CN 114469236A
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- thread
- wrapping
- inner core
- elastic thread
- medical elastic
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- 239000000835 fiber Substances 0.000 claims abstract description 18
- 229920000690 Tyvek Polymers 0.000 claims abstract description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229920000747 poly(lactic acid) Polymers 0.000 claims abstract description 11
- 239000004626 polylactic acid Substances 0.000 claims abstract description 11
- 239000000741 silica gel Substances 0.000 claims abstract description 11
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 11
- 229920002725 thermoplastic elastomer Polymers 0.000 claims abstract description 9
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims abstract description 8
- 239000004814 polyurethane Substances 0.000 claims abstract description 8
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims abstract description 8
- 229920001971 elastomer Polymers 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 239000004417 polycarbonate Substances 0.000 claims abstract description 7
- 229920000515 polycarbonate Polymers 0.000 claims abstract description 7
- 229920002635 polyurethane Polymers 0.000 claims abstract description 6
- 238000004804 winding Methods 0.000 claims description 15
- 238000009940 knitting Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 229920006347 Elastollan Polymers 0.000 claims description 3
- 238000009954 braiding Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 102220005284 rs33958088 Human genes 0.000 claims description 3
- 239000002478 γ-tocopherol Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- -1 polypropylene Polymers 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010015150 Erythema Diseases 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 206010070834 Sensitisation Diseases 0.000 description 1
- 229920002334 Spandex Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 231100000321 erythema Toxicity 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 229920006306 polyurethane fiber Polymers 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000008313 sensitization Effects 0.000 description 1
- 239000004759 spandex Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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
- A61B17/12009—Implements for ligaturing other than by clamps or clips, e.g. using a loop with a slip knot
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L17/00—Materials for surgical sutures or for ligaturing blood vessels ; Materials for prostheses or catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00526—Methods of manufacturing
-
- 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
- A61B17/12009—Implements for ligaturing other than by clamps or clips, e.g. using a loop with a slip knot
- A61B2017/12018—Elastic band ligators
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Reproductive Health (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Epidemiology (AREA)
- Materials For Medical Uses (AREA)
Abstract
The invention relates to the technical field of medical suture, in particular to a medical elastic thread. The wrapping thread is one or a mixture of two of high-density polyethylene fiber or polylactic acid fiber, the inner layer comprises one or a plurality of inner cores, and the inner cores are one or a mixture of more of silica gel silk, polycarbonate-based polyurethane, thermoplastic elastomer and silk thermoplastic polyurethane rubber. The invention not only meets the biocompatibility index, but also realizes the smaller resistance of the movement line sliding at the position of the line junction.
Description
Technical Field
The invention relates to the technical field of medical suture, in particular to a medical elastic thread.
Background
The anorectal ligation gun is a device used in medicine for replacing traditional manual suturing, benefits from the development of modern science and technology and the improvement of manufacturing technology, and compared with the traditional manual ligation technology, the anastomat used clinically has the advantages of reliable quality, convenience in use, high suturing speed, fewer side effects and fewer operation complications and the like. The most important elastic thread in the anorectal ligation gun, such as the elastic thread ligation gun (application No. 202111107984.X) with the automatic thread breaking function in the Chinese invention patent, is left in the human body after the operation of the anorectal ligation gun, and has high requirements on biocompatibility.
The outer layer material of the existing elastic thread is commonly used: polyester yarn (PET fiber), nylon yarn (PA6 fiber), polyester cotton (polyester and cotton blended fabric), pure cotton and high-elasticity yarn (a processing method, after the textured yarn is subjected to a higher overfeed ratio, the fabric can generate an elastic effect), polypropylene fiber (PP polypropylene fiber), aramid fiber (aromatic polyamide fiber) and spandex (polyurethane fiber, PU fiber); while the inner layer typically employs latex filaments. Therefore, the biocompatibility index is difficult to meet the requirement of the biocompatibility index, and particularly, the strict requirements of Europe and America are satisfied. Meanwhile, relevant indexes such as the stretching ratio, the breaking force and the like are neglected in the existing design, if the stretching ratio is too small, the sliding resistance of the motion wire at the wire joint position is larger when the elastic wire is tightened, and the motion wire is easy to fall off after being bundled.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a medical elastic thread. The invention provides a novel elastic thread manufacturing material, and improves the biocompatibility index.
The technical scheme of the invention is as follows: the utility model provides a medical elastic thread, includes skin and inlayer, its characterized in that: the outer layer is a wrapping line; the wrapping thread is one or a mixture of two of high-density polyethylene fiber or polylactic acid fiber, the inner layer comprises one or a plurality of inner cores, and the inner cores are one or a mixture of more of silica gel silk, polycarbonate-based polyurethane, thermoplastic elastomer and silk thermoplastic polyurethane rubber.
The medical elastic thread is characterized in that: the wrapping thread is prepared by mixing 20 weight percent of high-density polyethylene fiber and 80 weight percent of polylactic acid fiber.
The medical elastic thread is characterized in that: the high-density polyethylene fiber has the diameter model range of 150D-400D and one of the models of 5000S, E308, E808, 19C, 200k or Y910A.
The medical elastic thread is characterized in that: the grade of the silica gel silk is one of SH-2260AB, SH-2265AB, BQ-6550AB, BQ-6560AB and SH-K630 AB; the grade of the thermoplastic elastomer is selected from one of Ensoft SX-141, Ensoft SX-161, Ensoft SX-300 and Ensoft SX-400; the silk thermoplastic polyurethane rubber is selected from Texin RxT50D, 1085AF, Elastollan C85A and 795U.
The medical elastic thread is characterized in that: the stretch ratio of the elastic thread is more than or equal to 120 percent; the breaking force of the elastic line is more than or equal to 60N.
The medical elastic thread is characterized in that: the wrapping thread is polylactic acid fiber, and the inner core is one or more polycarbonate-based polyurethane.
The medical elastic thread is characterized in that: the wrapping thread is high-density polyethylene fiber, and the inner core is one or more silica gel filaments.
The medical elastic thread is characterized in that: the wrapping thread is polylactic acid and high-density polyethylene fiber mixed fiber, and the inner core is one or more silica gel filaments.
The medical elastic thread is characterized in that: the diameter of the wrapping wire is 1.25-1.45mm, and the diameter of the inner core is 1.1-1.3 mm.
The medical elastic thread is characterized in that: the diameter of the wrapping wire is 1.35mm, the diameter of the inner core is 1.15mm, the stretch ratio of the elastic wire is 168%, and the breaking force of the elastic wire is 180N.
The medical elastic thread is characterized in that: the processing steps are as follows: step one; the processing of the wrapping thread comprises the following steps,
1.1 threading the raw materials on a winding machine, preparing a bobbin in a finished product preparation area of the winding machine,
1.2, setting the number of winding turns, winding 80 to 200 turns,
1.3 putting down the bobbin when the work is started;
step two, knitting the inner core and the wrapping thread into elastic threads by a knitting machine, wherein one knitting machine is provided with four groups of walking spindles and comprises the following steps,
2.1, paying off the inner core from a pay-off reel, routing wires from the lower side of the braiding machine, and penetrating through a central hole of the disc surface through a guide wheel; putting the bobbin wound with the wrapping thread on a moving spindle; the wrapping thread head penetrates out of the middle thread hole of the horse walking ingot and penetrates through the pull rod thread hole;
2.2 each group of the trotting horse spindles consists of 6 red trotting horse spindles and 6 yellow trotting horse spindles, and in the winding process, the red trotting horse spindles thread anticlockwise, and the yellow trotting horse spindles thread clockwise;
2.3 press the braider switch, start to weave, will draw to the traction wheel first and wind several circles and then draw to the take-up reel.
The invention has the beneficial effects that: therefore, the biocompatibility index is met, the sliding resistance of the motion wire at the position of the wire knot is relatively small, the technical index of very large reverse resistance is realized after the tightening is finished, and the tightened state after the ligation is kept; and the biocompatibility is better.
Drawings
Fig. 1 is a schematic structural diagram of a single strand core.
Fig. 2 is a schematic view of a structure in which the inner core is double stranded.
Fig. 3 is a schematic view of a 6-strand core construction.
Description of reference numerals: the figure shows a wrapping thread 1 and an inner core 2.
Detailed Description
The technical content of the invention is further explained in the following with the attached drawings.
As shown in fig. 1 to 3, the medical elastic thread of the invention comprises an outer layer and an inner layer, wherein the outer layer is a wrapping thread 1; the wrapping thread 1 is one or two of high-density polyethylene fiber or polylactic acid fiber (pla fiber), for example, 20 wt% of high-density polyethylene fiber and 80 wt% of polylactic acid fiber are mixed to make the wrapping thread. The high-density polyethylene has good heat resistance and cold resistance, good chemical stability, higher rigidity and toughness and good mechanical strength. The high density polyethylene has better hardness, tensile strength and creep property than the low density polyethylene; the wear resistance, the electrical insulation, the toughness and the cold resistance are all good; the chemical stability is good, and the paint is not dissolved in any organic solvent at room temperature, and is resistant to corrosion of acid, alkali and various salts; the film has low permeability to water vapor and air and low water absorption. High density polyethylene fibers are also known as polyethylene. The polyethylene diameter model range of the invention is 150D-400D, and the model number can be selected from 5000S, E308, E808, 19C, 200k, Y910A and the like. As shown in fig. 1 to 3, the inner layer includes one or more inner cores 2, the inner core 2 is one or a mixture of several of silicone filament, polycarbonate-based Polyurethane (PCU), thermoplastic elastomer (TPE), and thermoplastic polyurethane rubber (TPU), and fig. 1 is a single inner core 2; fig. 2 shows 2 inner cores 2; fig. 3 shows 6 cores 2; as shown in fig. 3, the inner core 2 may be one or a combination of more of silicone filament, polycarbonate-based polyurethane, or thermoplastic elastomer. The grade of the silica gel silk can be SH-2260AB, SH-2265AB, BQ-6550AB, BQ-6560AB, SH-K630AB and the like; the thermoplastic elastomer mark can be selected from Ensoft SX-141, Ensoft SX-161, Ensoft SX-300, Ensoft SX-400, etc.; the silk thermoplastic polyurethane rubber can be selected from Texin RxT50D, 1085AF, Elastollan C85A, 795U and the like.
The invention also discloses a manufacturing method of the elastic thread, which comprises the following steps:
the elastic thread is composed of spinning and inner core
Step one; the processing of the wrapping thread 1, comprising the following sub-steps,
1.1 threading the raw material (yarn) on a winding machine, preparing a bobbin in a finished product preparation area of the winding machine,
1.2, the number of winding turns is set, and the winding turns can be generally 80 to 200, such as 100 and 150
1.3 when the work is started, the yarn bobbins are put down, and the left yarn bobbin and the right yarn bobbin can be simultaneously carried out.
Step two, knitting the inner core and the wrapping thread into elastic threads by a knitting machine, wherein one knitting machine is provided with four groups of walking spindles and comprises the following steps,
2.1 the inner core is paid out from a pay-off reel, is threaded from the lower part of the braiding machine, passes through a central hole of the disk surface through a guide wheel. And (5) placing the bobbin wound with the wrapping thread on a moving spindle. The wrapping thread head penetrates out of the middle thread hole of the horse walking ingot and penetrates through the pull rod thread hole.
2.2 each set of the trotting horse spindles consists of 6 red trotting horse spindles and 6 yellow trotting horse spindles, and in the winding process, the red trotting horse spindles thread anticlockwise and the yellow trotting horse spindles thread clockwise.
2.3 press the braider switch, start to weave, will draw to the traction wheel first and wind several circles and then draw to the take-up reel.
After the completion, the wire in the take-up reel is wound manually.
The stretch ratio of the elastic thread is more than or equal to 120 percent; the breaking force of the elastic line is more than or equal to 60N; if the stretch ratio of the elastic thread is 150 percent and 200 percent; the breaking force of the elastic thread is 90N and 150N, so that the sliding resistance of the moving thread at the thread knot position is small when the elastic thread is tightened, the reverse resistance is very large after the elastic thread is tightened, and a tightened state after the elastic thread is bound can be maintained. According to the invention, the wrapping thread 1 is made of high-density polyethylene fiber, the inner core 2 is made of one or more silica gel wires, the diameter of the wrapping thread 1 is 1.25-1.45mm, the diameter of the inner core 2 is 1.1-1.3mm, if the diameter of the wrapping thread 1 is 1.35mm and the diameter of the inner core 2 is 1.15mm, the tensile ratio of the elastic thread is 168% and the breaking force of the elastic thread is 180N after the elastic thread is manufactured, so that the biocompatibility index is met, the sliding resistance of the motion thread at the thread knot position is relatively small, the technical index of very large reverse resistance is realized after the elastic thread is tightened, and the tightened state after the sleeving is maintained, and the elastic thread is particularly suitable for anorectal sleeving guns. The sensitization positive rate of the technical scheme of the invention is 0%; erythema and edema irritation were finally scored as 0; has no potential toxic effect on L929 cells, and the specific experimental process is shown in a biocompatible proving material.
Claims (10)
1. The utility model provides a medical elastic thread, includes skin and inlayer, its characterized in that: the outer layer is a wrapping line; the wrapping thread is one or a mixture of two of high-density polyethylene fiber or polylactic acid fiber, the inner layer comprises one or a plurality of inner cores, and the inner cores are one or a mixture of more of silica gel silk, polycarbonate-based polyurethane, thermoplastic elastomer and silk thermoplastic polyurethane rubber.
2. The medical elastic thread according to claim 1, wherein: the wrapping thread is prepared by mixing 20 weight percent of high-density polyethylene fiber and 80 weight percent of polylactic acid fiber.
3. The medical elastic thread according to claim 1, wherein: the diameter of the high-density polyethylene fiber is in the range of 150D-400D, and the number is one of 5000S, E308, E808, 19C, 200k or Y910A; the grade of the silica gel silk is one of SH-2260AB, SH-2265AB, BQ-6550AB, BQ-6560AB and SH-K630 AB; the grade of the thermoplastic elastomer is selected from one of Ensoft SX-141, Ensoft SX-161, Ensoft SX-300 and Ensoft SX-400; the silk thermoplastic polyurethane rubber is selected from Texin RxT50D, 1085AF, Elastollan C85A and 795U.
4. The medical elastic thread according to any one of claims 1, 2 or 3, wherein: the stretch ratio of the elastic thread is more than or equal to 120 percent; the breaking force of the elastic line is more than or equal to 60N.
5. The medical elastic thread according to claim 1, wherein: the wrapping thread is polylactic acid fiber, and the inner core is one or more polycarbonate-based polyurethane.
6. The medical elastic thread according to claim 1, wherein: the wrapping thread is high-density polyethylene fiber, and the inner core is one or more silica gel filaments.
7. The medical elastic thread according to claim 1, wherein: the wrapping thread is polylactic acid and high-density polyethylene fiber mixed fiber, and the inner core is one or more silica gel filaments.
8. The medical elastic thread according to any one of claims 5, 6 or 7, wherein: the diameter of the wrapping wire is 1.25-1.45mm, and the diameter of the inner core is 1.1-1.3 mm.
9. The medical elastic thread according to claim 8, wherein: the diameter of the wrapping wire is 1.35mm, the diameter of the inner core is 1.15mm, the stretch ratio of the elastic wire is 168%, and the breaking force of the elastic wire is 180N.
10. The medical elastic thread according to claim 1, wherein: the processing steps are as follows: step one; the processing of the wrapping thread comprises the following steps,
1.1 threading the raw materials on a winding machine, preparing a bobbin in a finished product preparation area of the winding machine,
1.2, setting the number of winding turns, winding 80 to 200 turns,
1.3 putting down the bobbin when the work is started;
step two, knitting the inner core and the wrapping thread into elastic threads by a knitting machine, wherein one knitting machine is provided with four groups of walking spindles and comprises the following steps,
2.1, paying off the inner core from a pay-off reel, routing wires from the lower side of the braiding machine, and penetrating through a central hole of the disc surface through a guide wheel; putting the bobbin wound with the wrapping thread on a moving spindle; the wrapping thread head penetrates out of the middle thread hole of the horse walking ingot and penetrates through the pull rod thread hole;
2.2 each group of the trotting horse spindles consists of 6 red trotting horse spindles and 6 yellow trotting horse spindles, and in the winding process, the red trotting horse spindles thread anticlockwise, and the yellow trotting horse spindles thread clockwise;
2.3 press the braider switch, start to weave, will draw to the traction wheel first and wind several circles and then draw to the take-up reel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210266804.0A CN114469236A (en) | 2022-03-17 | 2022-03-17 | Medical elastic thread |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210266804.0A CN114469236A (en) | 2022-03-17 | 2022-03-17 | Medical elastic thread |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114469236A true CN114469236A (en) | 2022-05-13 |
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ID=81486382
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210266804.0A Pending CN114469236A (en) | 2022-03-17 | 2022-03-17 | Medical elastic thread |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6162537A (en) * | 1996-11-12 | 2000-12-19 | Solutia Inc. | Implantable fibers and medical articles |
| US20060025818A1 (en) * | 2004-07-29 | 2006-02-02 | Ferguson Patrick J | Strong, flexible suture material |
| US20060155328A1 (en) * | 2003-03-18 | 2006-07-13 | Opus Medical, Inc. | Optimized suture braid |
| CN103215779A (en) * | 2013-04-08 | 2013-07-24 | 东华大学 | Device and method for preparing sustainable-released antibacterial real-silk braided suture line |
| CN103816564A (en) * | 2014-03-05 | 2014-05-28 | 东华大学 | Long-acting controlled-release antibacterial real silk woven type surgical suture and preparing method thereof |
| US20150258238A1 (en) * | 2014-03-13 | 2015-09-17 | River Point, Llc | Suture material having beneficial physical properties |
| KR20200129708A (en) * | 2019-05-09 | 2020-11-18 | 한스바이오메드 주식회사 | Suture thread and needle, and kit comprising the same |
-
2022
- 2022-03-17 CN CN202210266804.0A patent/CN114469236A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6162537A (en) * | 1996-11-12 | 2000-12-19 | Solutia Inc. | Implantable fibers and medical articles |
| US20060155328A1 (en) * | 2003-03-18 | 2006-07-13 | Opus Medical, Inc. | Optimized suture braid |
| US20060025818A1 (en) * | 2004-07-29 | 2006-02-02 | Ferguson Patrick J | Strong, flexible suture material |
| CN103215779A (en) * | 2013-04-08 | 2013-07-24 | 东华大学 | Device and method for preparing sustainable-released antibacterial real-silk braided suture line |
| CN103816564A (en) * | 2014-03-05 | 2014-05-28 | 东华大学 | Long-acting controlled-release antibacterial real silk woven type surgical suture and preparing method thereof |
| US20150258238A1 (en) * | 2014-03-13 | 2015-09-17 | River Point, Llc | Suture material having beneficial physical properties |
| KR20200129708A (en) * | 2019-05-09 | 2020-11-18 | 한스바이오메드 주식회사 | Suture thread and needle, and kit comprising the same |
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