CN111012543A - 3D hernia repair net and preparation method thereof - Google Patents
3D hernia repair net and preparation method thereof Download PDFInfo
- Publication number
- CN111012543A CN111012543A CN201911315078.1A CN201911315078A CN111012543A CN 111012543 A CN111012543 A CN 111012543A CN 201911315078 A CN201911315078 A CN 201911315078A CN 111012543 A CN111012543 A CN 111012543A
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- Prior art keywords
- density
- hernia repair
- knitting
- hernia
- repair mesh
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/0063—Implantable repair or support meshes, e.g. hernia meshes
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/0063—Implantable repair or support meshes, e.g. hernia meshes
- A61F2002/0068—Implantable repair or support meshes, e.g. hernia meshes having a special mesh pattern
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0063—Three-dimensional shapes
- A61F2230/0071—Three-dimensional shapes spherical
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2240/00—Manufacturing or designing of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2240/001—Designing or manufacturing processes
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Transplantation (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Biomedical Technology (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Textile Engineering (AREA)
- Prostheses (AREA)
Abstract
The embodiment of the invention provides a 3D hernia repair net and a preparation method thereof, wherein the hernia repair net comprises: the inner area is knitted by adopting a weft plain knitting process and a needle retracting process, and the knitting density is a first density; in the edge area, a 2+2 false rib process and a needle retracting and releasing process are adopted for knitting, and the knitting density is a second density; wherein the second density is greater than the first density, and the inner region and the edge region are integrally woven. According to the scheme, the 3D hernia repair net can be directly and integrally formed, no cutting and splicing marks or gaps exist, and the forming effect is good; meanwhile, the inner area has smaller density, which is beneficial to the smooth passing of tissue fluid and phagocyte and promotes the smooth growth of new tissues; the edge area adopts a large density and 2+2 false ribbing process, so that the edge area can be effectively prevented from curling. Therefore, the hernia repair net provided by the scheme has good usability and effect, can promote the rehabilitation of the human body after the hernia disease to a great extent, and reduces the recurrence probability of the patient.
Description
Technical Field
The invention relates to the technical field of hernia repair nets, in particular to a 3D hernia repair net and a preparation method thereof.
Background
Hernia is one of the common surgical diseases, and in the hernia repair surgery commonly used today, the repair material plays a decisive role, and the suitability of the material determines the success rate, recurrence rate and postoperative rehabilitation degree of the surgery. Therefore, the development of hernia repair materials has become a hot spot in this field. An ideal hernia repair mesh needs to be light weight, have good stability, certain porosity, elasticity, roughness and good physical and mechanical properties. At present, the hernia repair net produced in China is mainly a 2D hernia repair net, the hernia repair net is planar based on the 2D hernia repair net, the 3D hernia repair net mostly depends on import, and the mode of preparing the 3D hernia repair net is obtained by cutting the 2D hernia repair net and performing shaping processing through 3D shaping equipment.
And prepare into 3D hernia with 2D hernia repair net and repair the net and need tailor and design the technology of processing with 2D hernia repair net, the technology is complicated, and is consuming time longer, and the leftover bits of the 2D repair net of extravagant pruning have wasted a large amount of manpower and materials.
In summary, a technical scheme for preparing a 3D hernia repair mesh, which is simple in process flow and capable of saving manpower and material resources, is lacked in the prior art.
Disclosure of Invention
The invention provides a 3D hernia repair net and a preparation method thereof, and aims to solve the technical problem that a technical scheme for preparing the 3D hernia repair net which is simple in process flow and capable of saving manpower and material resources is lacked in the prior art.
In a first aspect, a 3D hernia repair mesh according to an embodiment of the present invention includes:
the inner area is knitted by adopting a weft plain knitting process and a needle retracting process, and the knitting density is a first density;
in the edge area, a 2+2 false rib process and a needle retracting and releasing process are adopted for knitting, and the knitting density is a second density;
wherein the second density is greater than the first density, and the 3D hernia repair mesh is integrally formed and woven.
In one embodiment, the mechanical properties of the material of the inner region meet a first predetermined requirement.
In one embodiment, the compatibility of the interior region with a living organism meets a second preset requirement.
In one embodiment, the mechanical properties of the material of the edge region meet a third predetermined requirement.
In one embodiment, the compatibility of the edge region with living organisms meets a fourth preset requirement.
In a second aspect, a method for preparing a 3D hernia repair mesh according to an embodiment of the present invention includes:
adopting a computerized flat knitting machine to weave the 3D hernia repairing net in a turn-by-turn manner;
when each rotation of weaving is carried out, weaving the edge area part at the second density by adopting a 2+2 false rib process and a needle retracting and releasing process, and weaving the inner area part between two edge parts rotating at the same time at the first density by adopting a weft plain stitch process and a needle retracting and releasing process; the second density is greater than the first density.
In one embodiment, the computerized flat knitting machine is a computerized flat knitting machine configured with a resting knitting cam system.
The 3D hernia repair mesh and the preparation method thereof provided by the embodiment of the invention can be directly and integrally formed to form the 3D hernia repair mesh; the technical defects of the traditional 2D hernia repair net are overcome; meanwhile, the problem that manpower, material resources and the like are consumed in the process of preparing the 3D hernia repair net in the prior art is solved. In addition, the inner area has smaller density, which is beneficial to the smooth passing of tissue fluid and phagocyte and promotes the smooth growth of new tissues; the edge area adopts a large density and 2+2 false ribbing process, so that the edge area can be effectively prevented from curling. Therefore, the hernia repair net provided by the scheme has better usability and effect, can promote the rehabilitation of the human body after the hernia disease operation to a great extent, and reduces the recurrence probability of the patient. Meanwhile, the hernia repair mesh provided by the embodiment of the invention has no cutting and splicing traces or gaps, has a good forming effect, and has no gaps or traces, so that the surface of the hernia repair mesh provided by the embodiment of the invention is smooth, and the rehabilitation of the body of a patient is promoted to a great extent.
Drawings
The accompanying drawings are provided to illustrate the present invention, and it is to be understood that the following description of the specific embodiments is illustrative of some embodiments of the invention and is not to be construed as limiting the invention. In the drawings:
fig. 1 is a schematic structural view of a hernia repair mesh according to an embodiment of the present invention;
fig. 2 is a plan view of a hernia repair mesh according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all 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.
The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
An embodiment of the present invention provides a 3D hernia repair mesh, as shown in fig. 1, including:
the inner area 11 is knitted by adopting a weft plain knitting process and a needle retracting process, and the knitting density is a first density;
the edge area 12 is knitted by adopting a 2+2 false rib process and a needle retracting and releasing process, and the knitting density is a second density;
wherein the second density is greater than the first density, and the 3D hernia repair mesh is integrally formed and woven.
In the embodiment of the invention, the specific needle retracting process is shown in fig. 2, wherein the number of the rows of the needle retracting sections is related to the radius, the number of the sections and the longitudinal density of the fabric, the smaller the number of the needles left in each needle retracting process, the better the forming is, the slower the needle retracting process is, the faster the needle retracting process is, and the slower the needle retracting process is, so as to form the convex arc connection.
The specific needle retracting and releasing process can be as follows: when the X-th turn in the A turns is woven, weaving by adopting N needles; during the Y-th rotation, knitting is carried out by adopting a P needle; and when the Z-th turn is woven, weaving by using Q needles, wherein N is more than P and more than Q. It should be noted that the above embodiments are only provided to explain the needle retracting process in the present embodiment, and the number of the needle retracting process are not limited to the specific number of the needle retracting process.
In the embodiment of the invention, the edge area is positioned at the periphery of the inner area, and the 3D hernia repair mesh can be formed by adopting a weaving method of integrally forming by a flat knitting machine in a turn-by-turn weaving mode. Specifically, when knitting is performed in each rotation, if the rotation relates to the inner region, the knitting sequence of the edge region and the inner region in each rotation is as follows: the second edge area of the turn-the first inner area of the turn-the second edge area of the turn-is specifically shown in fig. 2, wherein, when weaving the edge area, a larger second density is adopted for weaving, which can stabilize the structure of the hernia repair mesh, thereby resisting larger pressure and seam resistance and strength in the human body and providing a good repair environment; meanwhile, the knitting process is a needle retracting process and a 2+2 false rib process, so that the edge area can be effectively prevented from curling.
In the embodiment of the invention, when the inner area is knitted, the weft plain knitting process and the needle retracting and releasing process are adopted, the knitting is performed by adopting the first smaller density, and based on the smaller knitting density, the gaps among the knitting yarns in the inner area are relatively larger, so that tissue fluid and phagocyte can smoothly pass through, and the smooth growth of new tissues is promoted.
In the embodiment of the present invention, the mechanical property of the material of the knitting yarn of the inner region 11 satisfies a first preset requirement, and the compatibility of the inner region 11 and the living organism satisfies a second preset requirement, wherein the living organism may be a human body or other living animals. The material of the inner region 11 may be at least one of the following: polypropylene, polytetrafluoroethylene, polyester, polyethylene, silk or chitosan, etc.
In the embodiment of the present invention, the mechanical property of the material of the knitting yarn of the edge region 12 satisfies a third preset requirement, and the compatibility of the edge region 12 and the living organism satisfies a fourth preset requirement, wherein the living organism may be a human body or other living animals. The material of the edge region 12 may be at least one of the following: polypropylene, polytetrafluoroethylene, polyester, polyethylene, silk or chitosan, etc. The material of the knitting yarns of the edge area 12 and the material of the knitting yarns of the inner area 11 may be the same or different, and may be set according to actual conditions.
The 3D hernia repair mesh provided by the embodiment of the invention can be directly and integrally formed to form the 3D hernia repair mesh; the technical defects of the traditional 2D hernia repair net are overcome; meanwhile, the problem that labor and material resources are consumed for preparing the 3D hernia repair net in the prior art is solved. In addition, the inner area has smaller density, which is beneficial to the smooth passing of tissue fluid and phagocyte and promotes the smooth growth of new tissues; the edge area adopts a large density and 2+2 false ribbing process, so that the edge area can be effectively prevented from curling. From this, the usability and the effect of the 3D hernia repair net that this scheme provided are better, can promote the recovery of human hernia disease postoperative on very big length, have reduced the probability of patient relapse. Meanwhile, the hernia repair mesh provided by the embodiment of the invention has no cutting and splicing traces or gaps, has a good forming effect, and has no gaps or traces, so that the surface of the hernia repair mesh provided by the embodiment of the invention is smooth, and the rehabilitation of the body of a patient is promoted to a great extent.
In a second aspect, a method for preparing a 3D hernia repair mesh according to an embodiment of the present invention includes:
adopting a full-forming process, and weaving the 3D hernia repairing net in a turn-by-turn manner;
when each rotation of weaving is carried out, weaving the edge area part at the second density by adopting a 2+2 false rib process and a needle retracting and releasing process, and weaving the inner area part between two edge parts rotating at the same time at the first density by adopting a weft plain stitch process and a needle retracting and releasing process; the second density is greater than the first density.
The shape of the woven hernia repair mesh may be a "shell" shape by using the method according to the embodiment of the present invention, wherein, referring to fig. 1 and 2, a "shell" shaped edge area 12 is used as an edge area of the hernia repair mesh. The width of the edge region 12 and the width and height of the inner region 11 can be set according to actual requirements.
In the embodiment of the invention, the computerized flat knitting machine is a computerized flat knitting machine provided with a resting knitting cam system.
The method for preparing the 3D hernia repair mesh provided by the embodiment of the invention can be directly integrally formed and woven, and the woven hernia repair mesh can be directly in a 3D shape, so that the technical defect of the traditional 2D hernia repair mesh is overcome; meanwhile, the problem that labor and material resources are consumed for preparing the 3D hernia repair net in the prior art is solved. In addition, the scheme can be used for preparing the 3D hernia repair net with the inner area with smaller density and the edge area with larger density and 2+2 false ribs, is favorable for smooth passing of tissue fluid and phagocytes, promotes smooth growth of new tissues, and can effectively prevent the edge area from curling. Therefore, the 3D hernia repair mesh prepared by the method has good usability and effect, can promote the rehabilitation of the human body after the hernia disease operation in a large length, and reduces the recurrence probability of the patient; meanwhile, the 3D hernia repair mesh prepared by the method has no cutting and splicing traces or gaps, has a good forming effect, no gaps or traces and a smooth surface, and can promote the rehabilitation of the body of a patient to a great extent.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A3D hernia repair mesh, comprising:
the inner area is knitted by adopting a weft plain knitting process and a needle retracting process, and the knitting density is a first density;
in the edge area, 2+2 false ribs and a needle retracting and releasing process are adopted for knitting, and the knitting density is a second density;
wherein the second density is greater than the first density, and the 3D hernia repair mesh is integrally formed and woven.
2. The hernia repair mesh according to claim 1, wherein the material of the inner region has mechanical properties satisfying a first predetermined requirement.
3. Hernia repair mesh according to claim 1, wherein the compatibility of the inner area with living organisms meets a second predetermined requirement.
4. The hernia repair mesh according to claim 1, wherein the material of the border area has mechanical properties satisfying a third predetermined requirement.
5. Hernia repair mesh according to claim 1, wherein the compatibility of the edge area with living organisms meets a fourth predetermined requirement.
6. A preparation method of a 3D hernia repair mesh is characterized by comprising the following steps:
adopting a computerized flat knitting machine to weave the 3D hernia repairing net in a turn-by-turn manner;
when weaving is carried out at each rotation, weaving edge area parts at a second density by adopting a 2+2 false rib process, and weaving inner area parts between two edge parts rotating at the same time at a first density by adopting a weft plain knitting process and a needle retracting and releasing process; the second density is greater than the first density.
7. The method of claim 6, wherein the computerized flat knitting machine is a computerized flat knitting machine configured with a resting knitting cam system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911315078.1A CN111012543A (en) | 2019-12-19 | 2019-12-19 | 3D hernia repair net and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911315078.1A CN111012543A (en) | 2019-12-19 | 2019-12-19 | 3D hernia repair net and preparation method thereof |
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| Publication Number | Publication Date |
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| CN111012543A true CN111012543A (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911315078.1A Pending CN111012543A (en) | 2019-12-19 | 2019-12-19 | 3D hernia repair net and preparation method thereof |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6391060B1 (en) * | 1997-10-22 | 2002-05-21 | Sofradim Productions | Prosthetic implant for obstructing an anatomical duct, and obstructing assembly comprising same |
| US20110190795A1 (en) * | 2010-02-02 | 2011-08-04 | Tyco Healthcare Group Lp | Surgical meshes |
| CN102247221A (en) * | 2011-06-24 | 2011-11-23 | 王明刚 | Three-dimensional patch for repairing inguinal hernia by virtue of laparoscopy |
| US20130138124A1 (en) * | 2010-03-24 | 2013-05-30 | Covidien Lp | Combination three-dimensional surgical implant |
| CN203885664U (en) * | 2014-05-30 | 2014-10-22 | 唐健雄 | Woven patch for inguinal hernia repair |
| CN104487021A (en) * | 2012-03-26 | 2015-04-01 | Pfm医疗设备有限责任公司 | Biocompatible mesh implant |
| CN106360838A (en) * | 2016-11-17 | 2017-02-01 | 北京服装学院 | Golf maillot |
| CN106555271A (en) * | 2016-11-25 | 2017-04-05 | 中国纺织科学研究院 | A kind of weaving of cross three-dimensional braid |
| CN108670518A (en) * | 2018-01-22 | 2018-10-19 | 晶苑时装有限公司 | Pregnant woman's waist abdomen supporting part |
| CN110093710A (en) * | 2019-05-13 | 2019-08-06 | 斓帛针织科技(嘉兴)有限公司 | Tightness 1X1 rib construction and its weaving method |
| CN210054656U (en) * | 2019-11-28 | 2020-02-14 | 贾伟 | Pocket type crotch and underpants thereof |
-
2019
- 2019-12-19 CN CN201911315078.1A patent/CN111012543A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6391060B1 (en) * | 1997-10-22 | 2002-05-21 | Sofradim Productions | Prosthetic implant for obstructing an anatomical duct, and obstructing assembly comprising same |
| US20110190795A1 (en) * | 2010-02-02 | 2011-08-04 | Tyco Healthcare Group Lp | Surgical meshes |
| US20130138124A1 (en) * | 2010-03-24 | 2013-05-30 | Covidien Lp | Combination three-dimensional surgical implant |
| CN102247221A (en) * | 2011-06-24 | 2011-11-23 | 王明刚 | Three-dimensional patch for repairing inguinal hernia by virtue of laparoscopy |
| CN104487021A (en) * | 2012-03-26 | 2015-04-01 | Pfm医疗设备有限责任公司 | Biocompatible mesh implant |
| CN203885664U (en) * | 2014-05-30 | 2014-10-22 | 唐健雄 | Woven patch for inguinal hernia repair |
| CN106360838A (en) * | 2016-11-17 | 2017-02-01 | 北京服装学院 | Golf maillot |
| CN106555271A (en) * | 2016-11-25 | 2017-04-05 | 中国纺织科学研究院 | A kind of weaving of cross three-dimensional braid |
| CN108670518A (en) * | 2018-01-22 | 2018-10-19 | 晶苑时装有限公司 | Pregnant woman's waist abdomen supporting part |
| CN110093710A (en) * | 2019-05-13 | 2019-08-06 | 斓帛针织科技(嘉兴)有限公司 | Tightness 1X1 rib construction and its weaving method |
| CN210054656U (en) * | 2019-11-28 | 2020-02-14 | 贾伟 | Pocket type crotch and underpants thereof |
Non-Patent Citations (1)
| Title |
|---|
| 袁慎芳: "《结构健康监控》", 30 April 2007 * |
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Application publication date: 20200417 |