CN1745853A - Production and products of medical fixing material with polypropylene hernia - Google Patents
Production and products of medical fixing material with polypropylene hernia Download PDFInfo
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- CN1745853A CN1745853A CN 200410054341 CN200410054341A CN1745853A CN 1745853 A CN1745853 A CN 1745853A CN 200410054341 CN200410054341 CN 200410054341 CN 200410054341 A CN200410054341 A CN 200410054341A CN 1745853 A CN1745853 A CN 1745853A
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- polypropylene
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- grey cloth
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- hernia
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Abstract
A medical polypropene material for repairing hernia is prepared from polypropene material through choosing raw polypropene fibres, braiding to obtain raw cloth, fixating shape, washing, cutting by needed sizes, die pressing to become a netted conic plug, disinfecting, ultraviolet sterilizing, quality examining and packing.
Description
Technical field
The present invention relates to a kind of polypropylene for medical article hernia patching material, relate in particular to a kind of new surgical surgical repair manufacture of materials method in the Tension-free Hernioplasty and products thereof that is applied to that adopts the polypropylene monofilament braiding to form.
Background technology
Hernia is common disease of department of general surgery and frequently-occurring disease, it is generally acknowledged that its pathogeny mainly is that internal organs or tissue form through there being ill damaged or weak spot to give prominence to body surface.Hernia repairing surgical operation generally is divided into tension force herniorrhaphy and tension-free hernia technology two big classes.Traditional hernia method for repairing and mending is owing to be that the non-rational high-tension of organizational structure inequality is sewed up, and patient often produces wound and has an intense pain, and recovery time is longer, and recurrence after operation rate height, and this has brought great misery and inconvenience to patient.Tension-free Hernioplasty is replenishing and revising what repaired on traditional mountain, compares with the traditional type herniorrhaphy, and it is damaged that its advantage is to replace local organization with the prosthese patching material, and the intensive aspect tissue intensity rebulids interior collar extension, meets The normal anatomic and physiological; There is not the tension force of stitching; Relapse rate is low and the postoperative complication incidence rate is low, and pain is little, and surgical injury is little and recover fast.Needn't limit physical exertion, postoperative recovery is fast.
Ideal surgical operation with the biological requirement of patching material is: embedded material causes physical change at organization internal, and no chemism does not cause inflammation and foreign body reaction, non-carcinogenesis, do not cause allergy and cause Gao Min, have good blood compatibility, do not upset electrolyte balance etc.The physical property of patch requires to be generally: can tolerate certain mechanical fatigue, can resist human body abdominal pressure and damaged body and press, can carry out cutting on demand, can sterilize.In addition, because the particularity of the hernia region of anatomy, hernia patch also should have stronger tensile strength, has less waist flexibility limit, anti-infection ability and soft and docile property should be porous, are beneficial to the drain of transudate and the interior growth of fibroblast.
Divide from material, widely used in the world at present repairing biomaterial mainly contains: polyester patching material, expanded polytetrafluoroethylsealing patching material, polypropylene patching material three major types.Wherein polyester patch nineteen thirty-nine appearance, nineteen fifty, woven terylene patching material began to produce, but the polyester patch often is accompanied by a series of complication, the high shortcoming of recurrence after operation rate.Politef was found in 1938, it is fluoride completely, used particular processing to produce expanded polytetrafluoroethylsealing in 1963, it presents the seriality and the loose structure of fiber, the multi-cellular structure that when increasing mechanical strength, also keeps it, be used for the artificial blood vessel in 1975 first, nineteen eighty-three the soft tissue patching material be used in clinical first.The characteristics of politef patching material are: inflammation and tissue reaction are little, but space less (about 10 microns); The collagen-free fiber is grown into, and stationarity is poor, and tension stress is poor than polypropylene.
The polypropylene patching material is at first to be introduced by DR.USHER in 1958, and its advantage has:
1. but cutting and be adapted to the abdominal-wall defect of any size.
2. can restrain oneself bigger bending.
3. the granulation tissue of pyogenic infection still can be bred in the polypropylene sticking patch in the zoopery
Certainly polypropylene benefit material foreign body reaction is little, has very strong tensile strength, has the favorable tissue compatibility and good anti-infection ability; Acid and alkali-resistance, not perishable and repulsion can be by advantages such as sheath infiltrations behind the implant into body.
But existing polypropylene hernia patching material also exists very big deficiency, and promptly all types of hernias all adopt the basic patching material under a kind of process conditions, and range of application has certain limitation.
Summary of the invention
The object of the present invention is to provide a kind of polypropylene for medical article hernia patching material production method and products thereof, overcome the above-mentioned shortcoming of prior art.
For achieving the above object, solution of the present invention is: a kind of production method of polypropylene for medical article hernia patching material, and step: (1) is detected pp material, selects qualified material according to production requirement; (2) carry out the grey cloth braiding; (3), the grey cloth of tentatively typing is washed, is cut into the product that meets user demand to the product processing of tentatively finalizing the design.
Further comprise: use particular manufacturing craft to be pressed into given shape; Using disinfectant and ultraviolet to carry out sterilizing handles; After quality testing is qualified, carry out aseptic packaging.
This pp material is the polypropylene for medical article monofilament.
Further, this polypropylene for medical article monofilament is that diameter is the polypropylene for medical article monofilament of 0.10-0.20mm.
Carry out grey cloth braiding and be meant and utilize the knitting warp technology that described polypropylene for medical article monofilament is woven into the grey cloth organizational structure, first organizational structure, promptly according to pad yarn number: 2-0/2-4/4-6/4-2//weaving method to make hexagon mesh-structured; Or second organizational structure, promptly according to the digital 2-0/2-4/ of pad yarn/weaving method make the network of quadrilaterals pore structure, each mesh gap of above-mentioned two organizational structuries is all greater than 10 μ.
In processing procedure that grey cloth is tentatively finalized the design, at first grey cloth is put into heat setting machine and be heated to 110 ℃, took out later in 30 seconds; Or, in processing procedure that grey cloth is tentatively finalized the design, grey cloth is put into heat setting machine be heated to 135 ℃, took out later in 480 seconds; Or, in processing procedure that grey cloth is tentatively finalized the design, grey cloth is put into heat setting machine be heated to 150 ℃, took out later in 120 seconds.
Aforementioned quality testing is meant according to indexs such as its voidage of production standard detection, bending rigidity, flexibility, bursting strengths whether meet the requirements.
This product is a pyramidal structure net plug, and this net is plugged with hole and is beneficial to tissue and grows into, and it has a pedestal and the petal of the plural number that stretches from pedestal.
The present invention is directed to dissimilar hernias and adopt different basic organization structure and heat setting process conditions to make the very strong repairing basic material of specific aim, and then make the patching material end product according to clinical requirement.
Because what adopt is that polypropylene monofilament and employing form through the braiding of volume technology, this has also determined it to have unique characteristic and advantage:
1, the polypropylene hernia patch is the knitting warp product, therefore has higher porosity, has both helped the drain of body fluid, and also being that fibroblast is easier simultaneously grows into, and therefore has excellent fixed performance and excellent growing into property of host.
2, the polypropylene hernia patch adopts the braiding of polypropylene for medical article monofilament, has the favorable tissue compatibility and good anti-infection ability, and implant is internal energy to be soaked into by sheath, and the hole of its shaped article is very big, is not easy to hide the infection rate that antibacterial has reduced operation.
What 3, the polypropylene hernia patch adopted is the knitting warp technology, avoided the shortcoming of easily decoherencing of knitting weft knitting, be convenient to surgeon's shape according to the random cutting sticking patch of surgical wound in operation process, " horizontal stupefied " " crude " degree that structure has also increased the sticking patch surface is convenient to fibroblast and is sought connections with and grow simultaneously through the surface of volume technology uniqueness.
4, the polypropylene hernia patch except have knit product unique flexility and contouring quality can also have bigger being enough to and resist human body internal pressure tensile strength and anti-suture strength, this has guaranteed the success rate and the low relapse rate of repairing operation.
Description of drawings
Fig. 1 is the decomposing schematic representation of the inventive method;
Fig. 2 is that basic patching material of the present invention is organized a sketch map;
Fig. 3 is that basic patching material of the present invention is organized the b sketch map;
Fig. 4 is a net plug sketch map of the present invention;
The specific embodiment
With reference to shown in Figure 1, seam loop is a tricot machine, and it is the medical grade polypropylene monofilament of 0.10-0.20mm that tension force hernia patching material basis patching material raw material adopts diameter; Its basis repair material organizational structure pad yarn number organize a be 2-0/2-4/4-6/4-2//; Organize b be 2-0/2-4//.
This polypropylene for medical article monofilament weaves by the knitting warp technology, and processes through a series of thermal finalization and postprocessing working procedures.Its production process is as follows: buying polypropylene for medical article monofilament---buying polypropylene for medical article monofilament is carried out physical property, correlated performance such as chemical property and biological property detects---after raw material is qualified, according to the knitting warp technology polypropylene for medical article monofilament being carried out the preparation that warping is done the woven base patching material, select suitable warp knitting technology woven base patching material for use according to technological requirement and clinical requirement---adopting different technological parameters that basic patching material is carried out thermal finalization at dissimilar hernias handles---reduces basic material according to clinical requirement, various types of patching materials are made in molding---the molding patching material washed, post processings such as sterilization---packing.
Dissimilar hernias is the needs that adapt to the patient to the performance requirement difference of the patching material that uses in the repairing operation, and product has carried out a series of setting process respectively on the basis of grey cloth handles:
Produce different product lines according to different technical parameters
| Technological parameter (temperature, time) | Product attribute |
| 110℃，30S | Very soft |
| 120℃，30S | Soft |
| 135℃，480S | Stiffening |
| 140℃，300S | More stiffening |
| 150℃，120S | More stiffening |
On the basis of tension force hernia patching material basis patching material, requirement at clinical operation is made into softish net plug, this net is plugged with hole and is beneficial to tissue and grows into, this structure design can make tissue or muscular wall defect closure, make the above-mentioned softish net plug that includes the pleated surface allow radial compression section implant defect and do not have knot or fasten, thus with the net plug with the irregular defect unanimity that becomes.This softish compressible radial net plug is implanted defect from profile, and this profile is greater than defect, and the shape of second profile and defect is close, as shown in Figure 4.
In thermal finalization is handled, different temperature, time, the corresponding different scopes of application:
| Technological parameter (temperature, time) | Product attribute | Range of application |
| 110℃，30S | Very soft | Umbilical hernia, abdominal hernia |
| 120℃，30S | Soft | The flesh hernia |
| 135℃，480S | Stiffening | Recurrent hernia, open hernia |
| 140℃，300S | More stiffening | Femoral hernia |
| 150℃，120S | More stiffening | Inguinal hernia |
So can control suitable temperature, time according to the purposes of required product.
Its production stage is: at first, the medical grade polypropylene raw material of import is carried out strict detection, select qualified material according to production requirement; Then, use ARL MAYER warping machine (model GL15010200200) and Racop TR 6 tricot machines to carry out grey cloth and handle, dose some additives, as antistatic additive, softening agent, low elastic polyester filament; Then, use the knitting heat setting machine of WP928 open width to the product processing of finalizing the design; The grey cloth that to tentatively finalize the design washs, is cut into the semi-finished product that meet customer demand again; Subsequently, use particular manufacturing craft to be pressed into cone shape; Using disinfectant and ultraviolet to carry out sterilizing handles; After quality testing, carry out aseptic packaging at last.
Wherein, the polypropylene for medical article monofilament carried out to make grey cloth organizational structure pad yarn number be 130 organizational structure a through compile handling, promptly according to 2-0/2-4/4-6/4-2//weaving method to make hexagon #+$33 mesh-structured, as shown in Figure 2; Or organizational structure b, promptly according to 2-0/2-4//weaving method to make tetragon #+$33 mesh-structured, as shown in Figure 3; Each mesh gap of above-mentioned two organizational structuries is all greater than 10 μ.
Grey cloth is being carried out in the thermal finalization processing procedure, at first, grey cloth is being put into the knitting heat setting machine of WP928 open width be heated to 110 ℃, taking out later in 30 seconds, can make the very softish repairing that is used for umbilical hernia, abdominal hernia; Secondly, grey cloth is put into the knitting heat setting machine of WP928 open width be heated to 135 ℃, took out later in 30 seconds, can make the stiffening repairing that is used for recurrent hernia, open hernia etc.; At last, grey cloth is put into the knitting heat setting machine of WP928 open width be heated to 150 ℃, took out later in 30 seconds, can make the relatively more stiffening repairing that is used for inguinal hernia.
Its pyramidal structure is, the softish taper net plug that a kind of textile web sheet of being used by surgery constitutes, this net is plugged with hole and is beneficial to tissue and grows into, this structure design can make tissue or muscular wall defect closure, make the above-mentioned softish net plug that includes the pleated surface allow radial compression section implant defect and do not have knot or fasten, thus with the net plug with the irregular defect unanimity that becomes.It has a pedestal and the petal of the plural number that stretches from pedestal.This pedestal is stretched to pedestal by the support of net plug petal pleat can make patching material firm.
This quality testing is meant according to indexs such as its voidage of production standard detection, bending rigidity, flexibility, bursting strengths whether meet following requirement:
| Every index | Fracture strength (10 4N/m 2) | Porosity (%) | Pliability (mg/cm) | Thickness (Mils) |
| The hernia patching material | 150.2 | 42 | 520 | 26 |
Claims (10)
1, a kind of production method of polypropylene for medical article hernia patching material is characterized in that, step is:
(1) pp material is detected, select qualified material according to production requirement; (2) carry out the grey cloth braiding; (3), the grey cloth of tentatively typing is washed, is cut into the product that meets user demand to the product processing of tentatively finalizing the design.
2. the production method of polypropylene for medical article hernia patching material according to claim 1 is characterized in that: further comprise: use particular manufacturing craft to be pressed into given shape; Using disinfectant and ultraviolet to carry out sterilizing handles; After quality testing is qualified, carry out aseptic packaging.
3. the production method of polypropylene for medical article hernia patching material according to claim 1 is characterized in that: this pp material is the polypropylene for medical article monofilament.
4. the production method of polypropylene for medical article hernia patching material according to claim 3 is characterized in that: this polypropylene for medical article monofilament is that diameter is the polypropylene for medical article monofilament of 0.10-0.20mm.
5. the production method of polypropylene for medical article hernia patching material according to claim 1, it is characterized in that: carry out grey cloth braiding and be meant and utilize the knitting warp technology that described polypropylene for medical article monofilament is woven into the grey cloth organizational structure, first organizational structure, promptly according to pad yarn number: 2-0/2-4/4-6/4-2//weaving method to make hexagon mesh-structured; Or second organizational structure, promptly according to the digital 2-0/2-4/ of pad yarn/weaving method make the network of quadrilaterals pore structure, each mesh gap of above-mentioned two organizational structuries is all greater than 10 μ.
6. the production method of polypropylene for medical article hernia patching material according to claim 1 is characterized in that, in processing procedure that grey cloth is tentatively finalized the design, at first grey cloth is put into heat setting machine and is heated to 110 ℃, takes out later in 30 seconds.
7. the production method of polypropylene for medical article hernia patching material according to claim 1 is characterized in that, in processing procedure that grey cloth is tentatively finalized the design, grey cloth is put into heat setting machine be heated to 135 ℃, takes out later in 480 seconds.
8. the production method of polypropylene for medical article hernia patching material according to claim 1 is characterized in that, in processing procedure that grey cloth is tentatively finalized the design, grey cloth is put into heat setting machine be heated to 150 ℃, takes out later in 120 seconds.
9. a kind of polypropylene for medical article monofilament according to claim 2 is through compiling the production method of hernia patching material, it is characterized in that this quality testing is meant according to indexs such as its voidage of production standard detection, bending rigidity, flexibility, bursting strengths whether meet the requirements.
10. the product of making according to arbitrary described production method in the claim 1 to 9 is characterized in that this product is a pyramidal structure net plug, and this net is plugged with hole and is beneficial to tissue and grows into, and it has a pedestal and from the petal of the plural number of pedestal stretching, extension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410054341 CN1745853A (en) | 2004-09-08 | 2004-09-08 | Production and products of medical fixing material with polypropylene hernia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410054341 CN1745853A (en) | 2004-09-08 | 2004-09-08 | Production and products of medical fixing material with polypropylene hernia |
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| Publication Number | Publication Date |
|---|---|
| CN1745853A true CN1745853A (en) | 2006-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410054341 Pending CN1745853A (en) | 2004-09-08 | 2004-09-08 | Production and products of medical fixing material with polypropylene hernia |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101890186A (en) * | 2009-05-21 | 2010-11-24 | 高炳源 | Method for preparing tensionless net cloth for repairing hernia |
| CN103505303A (en) * | 2012-06-29 | 2014-01-15 | 上海市第二人民医院 | Preparation method of self-made mesh plug for totally extraperitoneal hernia repair surgery through laparoscope |
| CN106053251A (en) * | 2016-06-02 | 2016-10-26 | 东华大学 | Ring supporting method for determining bending rigidity of mesh plug |
| CN111888049A (en) * | 2020-08-27 | 2020-11-06 | 日照天一生物医疗科技有限公司 | Preparation process of 3D hernia repair patch with fixed lock edge |
-
2004
- 2004-09-08 CN CN 200410054341 patent/CN1745853A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101890186A (en) * | 2009-05-21 | 2010-11-24 | 高炳源 | Method for preparing tensionless net cloth for repairing hernia |
| CN103505303A (en) * | 2012-06-29 | 2014-01-15 | 上海市第二人民医院 | Preparation method of self-made mesh plug for totally extraperitoneal hernia repair surgery through laparoscope |
| CN103505303B (en) * | 2012-06-29 | 2016-02-17 | 上海市第二人民医院 | The preparation method of peritoneoscope total extraperitoneal repairing operation self-control net plug |
| CN106053251A (en) * | 2016-06-02 | 2016-10-26 | 东华大学 | Ring supporting method for determining bending rigidity of mesh plug |
| CN106053251B (en) * | 2016-06-02 | 2018-12-04 | 东华大学 | A kind of ring support method of Test Network plug bending stiffness |
| CN111888049A (en) * | 2020-08-27 | 2020-11-06 | 日照天一生物医疗科技有限公司 | Preparation process of 3D hernia repair patch with fixed lock edge |
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