CN103628251A - Medical repairing mesh and manufacturing method thereof - Google Patents
Medical repairing mesh and manufacturing method thereof Download PDFInfo
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- CN103628251A CN103628251A CN201310614345.1A CN201310614345A CN103628251A CN 103628251 A CN103628251 A CN 103628251A CN 201310614345 A CN201310614345 A CN 201310614345A CN 103628251 A CN103628251 A CN 103628251A
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- comb
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Abstract
The invention discloses a medical repairing mesh and a manufacturing method. The mesh is a warp knitted eyelet fabric formed by polypropylene monofilaments through warp knitting. The eyelet fabric comprises a plurality of hexagonal eyelets which are adjacent to one another and vertically arranged, and further comprises the polypropylene monofilaments enabling the hexagonal eyelets which are adjacent to one another and vertically arranged to be connected transversely and alternately. The diameters of the polypropylene monofilaments are 0.1-0.2mm, each hexagonal eyelet is in a regular hexagon shape, and the area of each hexagonal eyelet is 5.8-16.2mm*2. The mesh is high in mechanical strength and capable of completely meeting supporting requirements for human organs; the mesh is light and thin, so a patient feels slight foreign body sensation in a use process; the mesh is high in void ratio which is larger than 72%; in addition, the mesh is enlarged, meanwhile deformation in longitudinal and transverse directions of the mesh is reduced, and therefore the requirements of the mesh for a light weight and of tissue growth substances for exchanging can be better met, and tissue repair is facilitated.
Description
Technical field
The present invention relates to a kind ofly for repairing partes corporis humani position damaged medical reparation net sheet and manufacture method thereof, belong to bio-medical material technical field.
Background technology
Along with the development of material medical science, increasing material enters damaged as bio-medical material reparation partes corporis humani position of medical domain, and medical net sheet is exactly one of them.At present, medical Wang Pian department of general surgery most widely used general, is mainly used in the repairing of all kinds of hernias, comprises indirect inguinal hernia and incisional hernia etc., in cardiothoracic surgery, be mainly used in the reparation of wall of the chest reconstruction, diaphram and pericardium etc., and be mainly dural repairing in the application of cranial surgery.In addition, medical Wang Pian gynemetrics is mainly used in female pelvic reconstruction, stress incontinence etc., in the range of application of Urology Surgery, be similar to the application of Wang Pian gynemetrics, be mainly used for the bulging of internal organs or sagging, comprise Cystocele, Rectocele, nephroptosis etc.
First case appears at beginning of the sixties late 1950s for the net sheet of soft tissue repair, the data of adding up in Compound Annual Growth Rate according to 2008～2013 years market survey institutes, US and European has increased respectively 100% and 50% for the use of net sheet, especially particularly general in repairing at the bottom for the treatment of abdominal hernia and basin.
Medical reparation net sheet comprises polymer fabric sheet and biological net sheet.For polymer fabric sheet, comprise and be used in Elevate TM, InteProLite TM net sheet (U.S.'s medical system in Apogee TM and Perigee TM, AMS), for the Polyform TM net sheet (Boston science) of Uphold TM and Pinnacle TM, the Ascend TM of Caldera medical treatment, the NovaSilk TM of Coloplast company, and the Smartmesh TM of Mpathy medical treatment, Minimesh TM, Restorelle TM[34] etc.The Surgisis of the Cook medical treatment of biological net Pian You U.S. Bloomington, allosome tissue's net sheet of being made by trees-Osima jacoti, Osima excavata.And existing polymer fabric sheet, ubiquity mechanical strength is low, can not meet well the requirement that human organ supports, and fabric is more thick and heavy, after implant into body, make patient's foreign body sensation higher, and net sheet voidage is lower, the defect that is unfavorable for tissue growth material exchange.
Summary of the invention
It is high that the technical problem to be solved in the present invention is to provide a kind of mechanical strength, can meet the requirement that human organ supports completely, is conducive to the medical reparation net sheet of tissue growth.The present invention also provides a kind of manufacture method of medical reparation net sheet.
For solving the problems of the technologies described above, the present invention adopts a kind of so medical reparation net sheet, this net sheet is through compiling the warp knitted eyelet fabric forming by polypropylene monofilament, this warp knitted eyelet fabric comprises the hexagon mesh of several neighbouring arrangements, and this warp knitted eyelet fabric also comprises that some are carried out the hexagon mesh of described neighbouring arrangement respectively the polypropylene monofilament laterally alternately connecting.
As a kind of preferred embodiment of the present invention, the area of described each hexagon mesh is 4～18mm
2, the unit are grammes per square metre of described warp knitted eyelet fabric is 30～34 g/m
2.
In the present invention, the diameter of described polypropylene monofilament is preferably 0.1～0.2mm, and the shape of described each hexagon mesh is preferably all regular hexagon, and the area of each hexagon mesh is preferably 5.8～16.2mm
2.
Manufacture a method for described medical reparation net sheet, using polypropylene monofilament as braiding yarn, on Raschel looms, weave, adopt three sley bar is woven, and each decorative pattern circulation is six lines, described three are included in the front comb being arranged in order on warp knitting machine, middle sley bar and rear comb sley bar, at each decorative pattern circulation time of braiding, front comb and rear comb are one and have worn, along needle-bar transverse moving left and right symmetrical pad yarn, in three lines that knit out at first and two lines finally knitting out, front comb and rear comb are all in only traversing needle gage pad yarn lopping of needle back, and in braiding during the 4th line, front comb and rear comb be all in the lopping of traversing two the needle gage pad yarns of needle back, form thus the warp knitted eyelet fabric that the hexagon mesh by several neighbouring arrangements forms, in front comb and the braiding of rear comb, middle sley bar one sky one is through braiding second, three, five, pad yarn lopping during six lines, on two lateral separations that yarn two in the middle of making on sley bar is separately fixed at neighbouring hexagon mesh parallel border farthest, and middle sley bar is only done inlaid thread motion when first and the 4th line of braiding, do not pad yarn lopping, forming thus some root polypropylene monofilament flotation lines is suspended among neighbouring hexagon mesh, and described some root polypropylene monofilament flotation lines are laterally alternately fixedly connected with described neighbouring hexagon mesh respectively.
Adopt after said structure, because being provided with some, net sheet of the present invention respectively the hexagon mesh of neighbouring arrangement is carried out to the polypropylene monofilament laterally alternately connecting, therefore, make the mechanical strength of this net sheet high on the one hand, can meet the requirement that human organ supports completely, on the other hand, greatly improved the structural stability of net sheet mesh, after having avoided implant into body, net sheet mesh deforms, thereby be conducive to tissue growth and patient's rehabilitation, and, increasing the large mesh vertical transversely deforming of mesh that simultaneously reduced, thereby can meet better the requirement of net sheet light weight and the exchange of tissue growth material, more be conducive to tissue repair.And, between the hexagon mesh of neighbouring arrangement, there is polypropylene monofilament and carry out laterally alternately connecting, can obtain like this fixed mesh size and improve the isotropic beneficial effect of net sheet.
Each hexagon screening area of the present invention is 4～18mm
2, be preferably 5.8～16.2mm
2, the unit are grammes per square metre of warp knitted eyelet fabric is 30～34 g/m
2.Such net sheet is more frivolous, make patient's foreign body sensation in use little, and the voidage of net sheet is very high, and voidage is greater than 72%, thereby is more conducive to tissue growth and mass exchange.
The manufacture method of net sheet of the present invention is simple, only uses three sley bar can be woven on conventional warp knitting machine, greatly reduces the production cost of net sheet and patient's use cost.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Fig. 1 is a kind of structural representation of the medical reparation net of the present invention sheet.
Fig. 2 is the braiding motion diagram of the medical reparation net of the present invention piece making method.
The specific embodiment
A kind of medical reparation net sheet shown in Figure 1, this net sheet is through compiling the warp knitted eyelet fabric 1 forming by polypropylene monofilament, this warp knitted eyelet fabric 1 comprises the hexagon mesh 2 of several neighbouring arrangements, and this warp knitted eyelet fabric 1 also comprises that some are carried out the hexagon mesh of described neighbouring arrangement 2 respectively the polypropylene monofilament 3 laterally alternately connecting.As shown in Figure 1, the described some polypropylene monofilaments 3 that laterally alternately connect, every equal indentation.
As a kind of preferred embodiment of the present invention, the area of described each hexagon mesh 2 is 4～18mm
2, the unit are grammes per square metre of described warp knitted eyelet fabric 1 is 30～34 g/m
2.This net sheet is more frivolous, makes patient's foreign body sensation in use little.
In the present invention, the diameter of described polypropylene monofilament is 0.1～0.2mm, be preferably 0.1mm, the fracture strength of this polypropylene monofilament is 5.70cN/dtex, elongation at break is 22.7%, the shape of described each hexagon mesh 2 is preferably all regular hexagon, and the area of each hexagon mesh 2 is preferably 5.8～16.2mm
2, the aperture of each hexagon mesh 2 (being circumscribed circle diameter) is 3～5mm.This net sheet is frivolous, and patient's foreign body sensation is in use little, and the voidage of net sheet is very high, and voidage is greater than 72%, can meet well the requirement of light weight and the exchange of tissue growth material, is more conducive to tissue repair.
A kind of method of manufacturing described medical reparation net sheet shown in Figure 2, usings polypropylene monofilament as braiding yarn, on Raschel looms, weaves, employing plane No. is E16, upper secret degree be 11 lines/centimetre, use three sley bar is woven, and the circulation of each decorative pattern is six lines one～six, described three are included in the front comb GB1 being arranged in order on warp knitting machine, middle sley bar GB2 and rear comb GB3 sley bar, at each decorative pattern circulation time of braiding, front comb GB1 and rear comb GB3 are one and have worn, along needle-bar transverse moving left and right symmetrical pad yarn, in three lines one, two, three that knit out at first and two lines five, six of finally knitting out, front comb GB1 and rear comb GB3 are all in only traversing needle gage pad yarn lopping of needle back, and when the 4th line four of braiding, front comb GB1 and rear comb GB3 be all in the lopping of traversing two the needle gage pad yarns of needle back, forms thus the warp knitted eyelet fabric 1 that the hexagon mesh 2 by several neighbouring arrangements forms, in front comb GB1 and rear comb GB3 braiding, middle sley bar GB2 mono-sky one is through braiding second, three, five, six lines two, three, five, pad yarn lopping at 6 o'clock, on two lateral separations that yarn two in the middle of making on sley bar GB2 is separately fixed at neighbouring hexagon mesh 2 parallel border farthest, and middle sley bar GB2 is in first and the 4th line one of braiding, only do inlaid thread motion at 4 o'clock, do not pad yarn lopping, forming thus some root polypropylene monofilament 3 flotation lines is suspended among neighbouring hexagon mesh 2, and described some root polypropylene monofilament 3 flotation lines are laterally alternately fixedly connected with described neighbouring hexagon mesh 2 respectively.Adopt after said method, obtained warp knitted eyelet fabric 1 of the present invention, i.e. medical reparation net sheet.
The physical property of net sheet of the present invention is as follows, and longitudinal fracture is powerful: 99.2N, Cross breaking strength: 93.4N, bursting strength: 124N, buckling rigidity: 0.0749gf*cm, transverse curvature rigidity: 0.0866gf*cm, longitudinally collude with brute force: 23.16N, laterally collude with brute force: 25.76N.The present invention has increased mesh when guaranteeing net sheet eyed structure stability, has promoted the lightweight of net sheet, has reduced implant into body foreign body sensation, and the porosity of net sheet has reached 72.67%, can finely meet medical instructions for use.
Claims (4)
1. a medical reparation net sheet, this net sheet is through compiling the warp knitted eyelet fabric (1) forming by polypropylene monofilament, this warp knitted eyelet fabric (1) comprises the hexagon mesh (2) of several neighbouring arrangements, it is characterized in that: this warp knitted eyelet fabric (1) also comprises that some are carried out the hexagon mesh (2) of described neighbouring arrangement respectively the polypropylene monofilament (3) laterally alternately connecting.
2. medical reparation net sheet according to claim 1, is characterized in that: the area of described each hexagon mesh (2) is 4～18mm
2, the unit are grammes per square metre of described warp knitted eyelet fabric (1) is 30～34 g/m
2.
3. medical reparation net sheet according to claim 1 and 2, it is characterized in that: the diameter of described polypropylene monofilament is 0.1～0.2mm, the shape of described each hexagon mesh (2) is all regular hexagon, and the area of each hexagon mesh (2) is 5.8～16.2mm
2.
4. manufacture a method for the medical reparation net sheet described in claim 1, using polypropylene monofilament as braiding yarn, on Raschel looms, weave, it is characterized in that: adopt three sley bar is woven, and each decorative pattern circulation is six lines (～six), described three are included in the front comb (GB1) being arranged in order on warp knitting machine, middle sley bar (GB2) and rear comb (GB3) sley bar, at each decorative pattern circulation time of braiding, front comb (GB1) and rear comb (GB3) are one and have worn, along needle-bar transverse moving left and right symmetrical pad yarn, three lines (that knitting out at first, two, three) and two lines (five that finally knit out, six) on, front comb (GB1) and rear comb (GB3) are all in only traversing needle gage pad yarn lopping of needle back, and when the 4th line of braiding (four), front comb (GB1) and rear comb (GB3) are all in the lopping of traversing two the needle gage pad yarns of needle back, form thus the warp knitted eyelet fabric (1) by hexagon mesh (2) formation of several neighbouring arrangements, in front comb (GB1) and rear comb (GB3) braiding, middle sley bar (GB2) sky one is through braiding second, three, five, six lines (two, three, five, six) pad yarn lopping time, on two lateral separations that yarn two in the middle of making on sley bar (GB2) is separately fixed at neighbouring hexagon mesh (2) parallel border farthest, and middle sley bar (GB2) is in first and the 4th line (of braiding, four) time, only do inlaid thread motion, do not pad yarn lopping, forming thus some root polypropylene monofilament (3) flotation line is suspended among neighbouring hexagon mesh (2), and described some root polypropylene monofilament (3) flotation line is laterally alternately fixedly connected with described neighbouring hexagon mesh (2) respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310614345.1A CN103628251B (en) | 2013-11-28 | 2013-11-28 | A kind of medical reparation mesh sheet and manufacture method thereof |
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|---|---|---|---|
| CN201310614345.1A CN103628251B (en) | 2013-11-28 | 2013-11-28 | A kind of medical reparation mesh sheet and manufacture method thereof |
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| CN103628251A true CN103628251A (en) | 2014-03-12 |
| CN103628251B CN103628251B (en) | 2016-03-23 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104178910A (en) * | 2014-07-28 | 2014-12-03 | 常州市润源医疗用品科技有限公司 | Pelvic floor mesh suspension band and manufacturing method thereof |
| CN104688384A (en) * | 2015-02-27 | 2015-06-10 | 东华大学 | Lightweight mesh structure pelvic floor patch and preparation method thereof |
| CN105266924A (en) * | 2014-07-17 | 2016-01-27 | 上海新华瑞思医疗科技有限公司 | Large-pore light hernia repair mesh and knitting method thereof |
| CN105266923A (en) * | 2014-07-17 | 2016-01-27 | 上海新华瑞思医疗科技有限公司 | Light hernia repair patch and knitting method |
| CN109998732A (en) * | 2014-12-05 | 2019-07-12 | 索弗拉狄姆产品公司 | Prosthetic has hole braided fabric |
| CN114452034A (en) * | 2021-12-18 | 2022-05-10 | 北京天星博迈迪医疗器械有限公司 | Soft tissue repair stent and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105266924A (en) * | 2014-07-17 | 2016-01-27 | 上海新华瑞思医疗科技有限公司 | Large-pore light hernia repair mesh and knitting method thereof |
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| CN104178910B (en) * | 2014-07-28 | 2016-05-18 | 常州市润源医疗用品科技有限公司 | Sticking patch suspender and manufacture method thereof at the bottom of a kind of basin |
| CN109998732A (en) * | 2014-12-05 | 2019-07-12 | 索弗拉狄姆产品公司 | Prosthetic has hole braided fabric |
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| CN104688384A (en) * | 2015-02-27 | 2015-06-10 | 东华大学 | Lightweight mesh structure pelvic floor patch and preparation method thereof |
| CN114452034A (en) * | 2021-12-18 | 2022-05-10 | 北京天星博迈迪医疗器械有限公司 | Soft tissue repair stent and preparation method thereof |
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| CN103628251B (en) | 2016-03-23 |
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Owner name: CHANGZHOU RUNYUAN MEDICAL SUPPLIES TECHNOLOGY CO., Free format text: FORMER OWNER: CHANGZHOU RUNYUAN WARP KNITTING MACHINERY CO., LTD. Effective date: 20140425 |
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Effective date of registration: 20140425 Address after: Wujin District 213145 of Jiangsu Province, Changzhou City West Road No. 9, Taihu science and technology industrial director Applicant after: CHANGZHOU RUNYUAN MEDICAL ARTICLE TECHNOLOGY CO., LTD. Address before: 213002 Jiangsu province Changzhou Tenglong Economic Development Zone Wujin Road No. 2 Applicant before: Changzhou Runyuan Warp Knitting Machinery Co., Ltd. |
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Effective date of registration: 20190510 Address after: Room 3201, Building 2, 2866 Jinhai Highway, Fengxian District, Shanghai, 20149 Patentee after: Shanghai Hongyu Medical Technology Co., Ltd. Address before: 213145 9, Yang Road, West Taihu science and technology industry, Wujin District, Changzhou, Jiangsu Patentee before: CHANGZHOU RUNYUAN MEDICAL ARTICLE TECHNOLOGY CO., LTD. |