CN100493475C - Embeddable multipurpose external hernia remedying slice - Google Patents
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- CN100493475C CN100493475C CNB2006101076520A CN200610107652A CN100493475C CN 100493475 C CN100493475 C CN 100493475C CN B2006101076520 A CNB2006101076520 A CN B2006101076520A CN 200610107652 A CN200610107652 A CN 200610107652A CN 100493475 C CN100493475 C CN 100493475C
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Abstract
The present invention provides a multi-purpose repair patch used for hernia repair. The repair patch includes: a substrate which is formed by implantable mesh knitted fabrics, wherein, a plurality of small holes are arranged in thereof; and a plurality of petals which are formed by implantable mesh knitted fabrics, wherein, the petals are arranged on the upper surface of the substrate and are arranged around the center of the substrate, the distal ends of the pedals are free, and the proximal ends are fixed in a central region of the substrate. The repair patch can further include a plurality of reinforced ribs which are arranged on the upper surface of the substrate in a preferential implementation mode. The repair patch of the invention can not only adopt the embolization method, but can also adopt the preperitoneal space method for hernia repair, which has good clinical effect.
Description
Technical field
The present invention relates to the implantable device that is used to repair hernia.More particularly, the present invention relates to a kind of implantable multipurpose abdominal external hernia patch.
Background technology
Hernia is meant that internal organs have left original position, and weak spot by human body or damaged, hole enter another position.The position of the most normal generation hernia is an abdominal part.Congenital or the posteriority that the interior internal organs of abdomen pass through stomach wall is damaged or weak area is outstanding to body surface, forms a lump in the part, is called abdominal external hernia.Interior internal organs of abdomen or nethike embrane leave original position through the normal or unusual duct of intraperitoneal, crack and promptly constitute internal abdominal hernia, can not be inspection finding, for example hernia of foramen of Winslow, diaphragmatocele etc.Abdominal external hernia is seen far beyond internal abdominal hernia more.Abdominal external hernia is one of modal disease of abdominal surgery, and is often with outstanding region of anatomy name, wherein the highest with the inguinal hernia incidence rate, accounts for more than 90%.
Abdominal external hernia is a kind of multiple disease, all may take place to all old age brackets the child, and the elderly men sick group of people at high risk that is this.The cause of disease of abdominal external hernia increases relevant with stomach wall weakness and intra-abdominal pressure.The stomach wall weakness generally is geneogenous, also may be caused by acquired disposition, as old, amyotrophy etc.The common situation that intra-abdominal pressure increases has chronic cough, constipation, dysuria and child cry etc.
Abdominal external hernia has four kinds of Clinical types: flatly but hernia is outstanding crouch or send Hui Na to claim reducible hernia to the abdominal cavity person with hand push; Can not return fully if hernial content and hernical sac have adhesion and to receive the title irreducible hernia; If after hernial content is outstanding by force, little hernia ring will block hernial content, can not Hui Na, claim incarcerated hernia; As untimely processing, cause blood circulatory disorder behind the incarceration, be strangulated hernia when causing ischemia or necrosis.
Typical abdominal external hernia is made up of hernia ring, hernical sac, hernial content and hernial covering four parts:
How ringwise the hernia ring is that hernical sac is given prominence to " mouth " from the abdominal cavity,, be equivalent to the weak or damaged place of stomach wall.All kinds of hernias are many to be named according to hernia ring portion position, as inguinal hernia, femoral hernia, umbilical hernia etc.
Hernical sac be parietal peritoneum through the hernia ring and outstanding capsule bag constructions, can be divided into three parts at the bottom of capsule neck, utricule, the capsule.The capsule neck refers to the narrow that hernical sac is connected with the abdominal cavity; Utricule is the part of expanding of hernical sac; The head portion that refers to hernical sac at the bottom of the capsule.
Hernial content refers to from the abdominal cavity outstanding and enters the internal organs and the tissue of hernical sac, accounts for the first place with small intestinal, secondly is omentum majus, and other has caecum, vermiform appendix, sigmoid colon, transverse colon, bladder, ovary, fallopian tube etc., but more rare.
Hernial covering refers to each layer tissue of stomach wall beyond the hernical sac, is made up of fascia, muscle, subcutaneous tissue and skin usually.
Though abdominal external hernia is not a fatal disease, its can bring very big misery to patient, have a strong impact on quality of life, and multiple complications can be arranged, but threat to life when serious.
The goldstandard of current abdominal external hernia treatment is " tension-free hernioplasty ", promptly in operating mode, the repair apparatus that to be made, be had given shape or structure by biocompatible materials is implanted the damaged or weak area of stomach wall, by stimulating the body a large amount of fibrosis tissue of hypertrophy on this repair apparatus fast, formation is similar to the structure of reinforced concrete, repair and strengthen damaged tissue, finally reach the purpose of thorough radical cure hernia pathological changes.
U.S. Patent number 5,356 discloses a kind of damaged implantable prosthesis of muscular wall that is used to repair in 432.By reference the full content of this patent is incorporated herein at this.This prosthesis comprises conical netted thromboembolism (mesh plug).This thromboembolism is formed with reticulated by operation, wherein has many perforates, for being organized in wherein growth.This netted thromboembolism is comparatively pliable and tough, and has the surface of fold, when in to be repaired damaged of implantation and when being subjected to oppressing, can well cooperate with this damaged circumferential profile, especially when damaged when having irregular profile.This has reduced the space between implant and the surrounding tissue, thereby has reduced the probability of hernia recurrence.In the formed cavity of this thromboembolism other packing material can also be arranged, thereby be oppressed when matching with damaged circumferential profile when implanting thromboembolism in damaged, this packing material can make the implant hardening.
U.S. Patent number 5,634,931 and 6,241,768 and U.S. Patent Application Publication No. 2004/0215219 and 2002/0188317 in other several hernia mending device is disclosed.By reference the full content of aforementioned patent or patent application is incorporated herein at this.
At present, still need clinical effectiveness good, not only can adopt the thromboembolism mode but also can adopt the multipurpose repair apparatus of preperitoneal space mode repairing hernia.
Summary of the invention
The invention provides a kind of damaged implantable multipurpose patch of muscular wall that is used to repair, be particularly suitable for repairing hernia, especially abdominal external hernia.
Patch provided by the present invention comprises: the substrate by implantable netted fabric forms wherein has many apertures; And by a plurality of petals that implantable netted fabric forms, wherein, described petal is positioned at the upper surface of described substrate, and arranges around the center of described substrate, and the far-end of described petal is free, and near-end is fixed in the central area of described substrate.
Preferably, described substrate is shaped as circle; The number of described substrate can be 1,2 or more a plurality of, preferred 1.
Preferred embodiment described patch also comprises film according to one, and described film is positioned at the lower surface of described substrate, and is fixed together with it.
Preferably, the number of described petal is 3,4 or 8.
Described a plurality of petal can be independently each other, is individually fixed in the central area of described substrate by near-end separately; Perhaps, described a plurality of petals can be an integral body, link together by their proximal end region.
Preferably, described petal is symmetric radial arrangement around the center of described substrate.
The material of described substrate and described petal can be identical, also can be different.The material of described substrate can be an absorbable material not, also can be absorbable material.The material of described petal can be an absorbable material not, also can be absorbable material; Can be identical with the material of described substrate, also can be different with it.
Described fixing can or the stitching for welding.
Preferred embodiment the netted fabric that forms described substrate is different with the weaving manner of the netted fabric that forms described petal according to one, thereby makes the hardness of described substrate greater than the hardness of described petal.
Preferred embodiment described patch also comprises many reinforcements that are fixed in described substrate upper surface according to one, and described reinforcement is arranged around the center of described substrate, and is spaced with described petal; The far-end of described reinforcement is fixed in the upper surface of described substrate, and near-end is fixed in the central area of described substrate.
Preferably, the number of described reinforcement is 3 or 4.
Described reinforcement can be formed by implantable netted fabric.
The far-end of described reinforcement only is fixed near the end points; Perhaps, be fixed from one section zone that far-end begins; Perhaps, described reinforcement can integral body be fixed.
Preferably, described a plurality of reinforcements are an integral body, link together by their proximal end region.
Preferably, described reinforcement is symmetric radial arrangement around the center of described substrate.
According to a particularly preferred embodiment of the present invention, described a plurality of petals and described a plurality of reinforcement are an integral body, link together by their proximal end region, and through welding or sew up and be fixed in the central area of described substrate.Preferably, described substrate, petal and reinforcement are formed by identical materials.
When being used for repairing hernia, it is described damaged that patch of the present invention both can adopt the thromboembolism mode to fill, and it is described damaged also can to adopt the preperitoneal space mode to repair.Be used for from clinical making, patch of the present invention has ideal effect.
Description of drawings
Accompanying drawing is not necessarily proportional, and its purpose only is to explain better the present invention.The accompanying drawing and the specific embodiment are combined, and the present invention may be better understood.
Fig. 1 is a width of cloth sketch map, shows a kind of substrate and petal of preferred patch.
Fig. 2-5 shows four preferred implementations of the present invention respectively.
Fig. 6 is a width of cloth sketch map, shows the reinforcement according to a preferred embodiment of the present invention, and 4 reinforcements shown in it are an integral body, and its base portion links together.
Fig. 7 is a width of cloth sketch map, shows the petal according to a preferred embodiment of the present invention, and 4 petals shown in it are an integral body, and its base portion links together.
Fig. 8 is a width of cloth sketch map, shows a kind of preferred substrate, and this substrate is circular.
The specific embodiment
Term used herein " implantable " material or device are meant medical can forever implant experimenter, particularly people, and intravital material or device are normally nontoxic, and have good biocompatibility.Implantable material generally is divided into the material and the absorbable material two big classes that can not absorb.
Term used herein " material that can not absorb " is meant behind implant into body and can not be degraded, absorbs, forever keeps the material of former performance.Mainly comprise the synthetic macromolecular material, comprise polypropylene, polyethylene, polyester, polyurethane, polyamide, politef etc., what wherein be most widely used is polypropylene.
Term used herein " absorbable material " is meant can be by multiple mechanism by the material of human body degraded, absorption behind implant into body.Mainly comprise artificial or biosynthetic aliphatic polyester.Bonding mode according to the polyester monocase component is divided into two classes: a class is a polyhydroxy acid, promptly with the polymer of hydroxy acid HO-R-COOH as repetitive, according to the bonding position difference of oh group apart from carboxylic end group, with hydroxy acid be divided into α-, β-and ω-hydroxy acid; Another kind of is the polyalkylene dicarboxylic ester, and they are synthetic by the polycondensation reaction of glycol HO-R1-OH and diacid HOOC-R2-COOH.
When in patch of the present invention, adopting absorbable material, when for example being used for substrate, petal, reinforcement or suture etc., this material require has suitable vivo degradation curve, can keep its shape in vivo and intensity reaches certain hour, degraded on a large scale again after its function is finished substantially.If degradation speed is too fast, just a large amount of degradeds may not influence therapeutic effect when also being recovered fully by repair tissue.Those skilled in the art can determine a kind of vivo degradation curve of absorbable material by routine test.
Term used herein " fabric " is used to describe the form of patching material of the present invention, comprises that monofilament is knitting, multifilament is knitting, monofilament is woven, multifilament is woven etc.Filament diameter can be 0.1-0.2mm, and thickness can be 0.4-0.8mm, better is 0.5-0.7mm." netted fabric " is meant fabric netted, that comprise a large amount of apertures.Behind " netted fabric " implant into body, the fibrosis tissue can enter these apertures, and is skeleton with described fabric, and hypertrophy rapidly forms and is similar to the structure of reinforced concrete, thereby plays the damaged effect of repair tissue thereon.U.S. Patent number 5,356 discloses several implantable netted fabrics in 432, the netted fabric of polypropylene monofilament for example, for example Marlex that can buy from C.R.Bard Inc.
In addition, Prolene
, Dacron
, Teflon
, Merselene
Deng also using.
Term used herein " film " is used to describe the another kind of form of patching material of the present invention, comprises dense film and the bulked membrane with certain pore size.Thickness generally is about 0.1-0.2mm.Behind the implant into body, film can play the effect of barrier, prevents to produce adhesion between Intraabdominal organ and repair tissue.In a preferred embodiment of the present invention, the lower surface of substrate is with membrane structure, implants damaged place for example after the hernia ring when patch, and substrate launches, and the hernia ring is blocked; The film that is positioned at the substrate below this moment can stop that Intraabdominal organ and tissue and patch stick together.Those skilled in the art can determine whether to comprise membrane structure in patch of the present invention according to concrete needs.For example, maybe can absorb substrate that fabric makes and can be combined into one by bonding, heat seal or stitching, form laminated structure, be called " composite sheet " with the film that can not absorb by absorbing.
" suture " be meant by absorbing or absorbable material is made silk, can be used between the fabric or fabric and film between stitching connect.For example, can use suture that petal and/or reinforcement are sewn onto on the substrate.
When being used to describe petal and reinforcement, particularly with regard to it with regard to on-chip position the time, term " far-end " refers to the end away from substrate center, and term " near-end " refers to the end near substrate center.The near-end of petal also can be called " base portion ".
When being used to describe the quantity of quantity, particularly petal and reinforcement, term " a plurality of " refers to more than 2 or 2, for example 3,4,5,6,7,8,12 etc.
Term used herein " petal " is meant the laminated structure in the patch of the present invention.Should be understood that " petal " of the present invention can have the shape of similar plants petal, for example Flos persicae is petal, but is not limited to any specific petal shape.For example, " petal " of the present invention can have the fan shape of fundamental rule, and for example 45 °, 60 °, 90 °, 120 ° are fan-shaped; Also can have shapes such as ellipse, olive shape; Even can be irregular shape, as long as it is convenient to preparation and is convenient to the doctor use when operation.For example, the shape of petal can be suitable for each petal being clipped together and petal and hernia circumferential weld being lumped together with mosquito forceps.Those skilled in the art can easily determine the shape and the size of petal according to concrete medical science needs.
Petal shape in the patch can be all identical, or identical at interval, or different fully each other.From the aspect of being convenient to operation technique and being easy to process, petal shape is all identical to be preferred.
Petal of the present invention can be to be shaped separately separately, thereby forms structure independent of each other; Also can be the overall structure that is for example formed by laser cutting by a fabric, the base portion by each petal connects together.As shown in Figure 7.
Petal can be fitted with substrate and be kept flat (shown in Fig. 2-5, when promptly not stressing, petal is attached on the substrate naturally, each other a fixed gap can be arranged), or is pre-formed as place vertical with substrate.Can be by cutter, ultrasound wave or laser cutting.
Petal by netted fabric preparation, for example can absorb the fabric that maybe can not absorb usually.The material that is used to prepare petal can be identical with the material that is used to prepare substrate.
" symmetric radial arrangement " is meant that petal roughly is symmetric radial arrangement on substrate, and not necessarily strict symmetry can have scrambling to a certain degree, also radially as long as can realize its function.This is conspicuous to those skilled in the art.
Term used herein " substrate " is meant the bottom or the substrate of patch of the present invention, is sheet usually.From the angle of being convenient to perform the operation and implanting, circular or to be roughly circular substrate be preferred, when with mosquito forceps each petal being clipped together, substrate can form cone shape beveled structure like this, is convenient to send into hernia ring place.As shown in Figure 8.Circular or be roughly the 40-130mm that typically has a diameter from of circular substrate, better be 80-100mm, that best is 100mm.Certainly, other shapes that are suitable for implanting also can adopt, for example ellipse, olive shape, pyriform, even irregular shape.According to the concrete condition of damaged (for example hernia ring) to be repaired, the size of substrate and shape can change.Those skilled in the art can easily determine the shape and size of substrate according to concrete medical science needs.
Substrate is generally one deck; But as required, for example in order to increase the hardness of substrate, also can be for two-layer or more multi-layered.
Substrate is formed by the netted fabric that can not absorb usually.Sometimes also can adopt absorbable fabric,, can keep its shape in vivo and intensity reaches certain hour, by the degraded on a large scale again of the basic rehabilitation meron of repair tissue as long as its degradation speed is suitable.Can prepare substrate by cutter, ultrasound wave or laser cutting.
Term used herein " reinforcement " is meant and is fixed in on-chip structure.In operation process, after patch was implanted damaged place, when substrate launched, reinforcement can make substrate keep smooth, was difficult for taking place to curl; In addition; when each petal being clipped together with mosquito forceps; because the tension force that reinforcement provides; can guarantee that substrate forms cone shape beveled structure; and can not form down beveled structure (is the reverse turn of substrate to petal; as being blown bulging umbrella in the strong wind) so that send into damaged place.
Reinforcement is generally strip, also can be for shapes such as linear even annulars, as long as can realize above-mentioned functions.Can be independent of each other between the reinforcement, also can form an integral body, as shown in Figure 6.The reinforcement that forms an integral body is preferred, because it is convenient to preparation, and when with mosquito forceps each petal being clipped together, is convenient to make substrate to form cone shape beveled structure.The far-end of reinforcement only is fixed near the end points; Perhaps, be fixed from one section zone that far-end begins; Perhaps, described reinforcement can integral body be fixed.
The material that is suitable for preparing substrate or petal all can be used to prepare reinforcement.Also can adopt other materials, for example non-porous material is as long as can realize the function of reinforcement.
Preferably, reinforcement and petal can be symmetric radial arrangement around the center of substrate, and spaced apart.Can have one or more petals between per two reinforcements.For example, three reinforcements that are symmetrical radial distribution can be arranged, become hexagonal angle each other, and six petals that are symmetrical radial distribution; Be distributed with two petals between per two reinforcements.
Fig. 1 is a width of cloth sketch map, shows a kind of substrate 10 and petal 20 of preferred patch.In this embodiment, the profile of substrate 10 is circular, is made single layer structure by netted fabric.Fixing 8 petals 20 at the upper surface of substrate 10, its far-end 22 is free, can move freely, and near-end 24 is fixed at 14 places, central area of substrate 10.The circular circumference of central area 14 is schematically, and does not mean that the so clear and definite boundary of physical presence, and its purpose only is to illustrate the approximate location of central area 14.The far-end 22 of petal 20 has certain distance apart from the periphery 12 of substrate 10.As required, the far-end 22 of petal 20 can change with the distance of the periphery 12 of substrate 10, can be littler, can be bigger, and can be roughly concordant with periphery 12, even can exceed periphery 12.Be structure independent of each other between the petal 20, its near-end 24 is fixed respectively at 14 places in the central area.But also can form an integral body between the petal 20, for example by a fabric by laser cutting direct forming, 14 places link together in the central area by near-end 24, as shown in Figure 7.Because it is easier that this mode is processed, be preferred therefore.Can pass through fixed mechanism 40,, the petal 20 of an integral body of described formation is fixed on the substrate 10 for example by welding or sew up.Below substrate 10, can have film,, prevent that Intraabdominal organ and patch from sticking together so that after patch is implanted damaged place.
Fig. 2-5 shows of the present invention preferred embodiment several.
Patch among Fig. 2 comprises alternatively distributed three petals 20 and three reinforcements 30, and the center that centers on circular substrate 10 is symmetric radial arrangement.Described petal 20 and reinforcement 30 constitutes an integral body, by the once-forming preparation, link together at 14 places, central area of substrate 10, and the fixed mechanism by being positioned at substrate 10 centers 40 fixed with welding manner.Substrate 10, petal 20 and reinforcement 30 are made by identical mesh structural porous fabric.The far-end 32 of reinforcement 30 only is fixed near the periphery 12 of substrate 10 by stitching near the end points.
Can adopt welding or suture way in the time of fixedly.This dual mode difference on effect is not very big.When adopting welding, outward appearance is comparatively smooth, and is attractive in appearance, and being easy to is that doctor and patient accept, but has viewpoint to think the structure and/or the mechanical property that may change substrate and/or reinforcement etc.Show wired head outward when adopt sewing up, may influence attractive in appearancely, but can the mechanical property of patch not exerted an influence.Those skilled in the art can judge which kind of mode of use according to concrete needs, also can adopt other fixed forms well known in the art, for example heat seal.
Patch among Fig. 3 comprises four petals 20 and four reinforcements 30 spaced apart, and the center that centers on circular substrate 10 is symmetric radial arrangement.Described petal 20 and reinforcement 30 constitutes an integral body, and the fixed mechanism by being positioned at substrate 10 centers 40 is fixed with suture way.The composition that is used to prepare the substrate 10 and the mesh structural porous fabric of petal 20 is identical, but the weaving manner difference, this makes that the hardness of substrate 10 is bigger, is easier to keep smooth after implanting defect, and makes petal 20 comparatively pliable and tough, is convenient to operation technique.The far-end 32 of reinforcement 30 to the whole zone of near-end 34 all is fixed.
Patch among Fig. 4 comprises three petals 20 and three reinforcements 30 spaced apart.Reinforcement 30 is from far-end 32, until be fixed from the zone at near-end 34 about 1/2 places, it is free that zone in addition keeps.
Fig. 5 shows a particularly preferred embodiment of the present.Patch among Fig. 5 comprises four petals 20 and four reinforcements 30 spaced apart, and the center that centers on circular substrate 10 is symmetric radial arrangement.The diameter of substrate 10 is 100mm.Described petal 20 and reinforcement 30 constitute an integral body, and fixing by the fixed mechanism 40 that is positioned at substrate 10 centers.Substrate 10, petal 20 and reinforcement 30 are made by identical mesh structural porous fabric (can buy from the Beijing TianZhuChangYun Medical Treatment Technology Co., Ltd, composition is a polypropylene, polypropylene monofilament diameter 0.15mm, pore size 1mm).The far-end of reinforcement 30 only is fixed near the end points.
From result of use, have three petals and three reinforcements, and the patch with four petals and four reinforcements is more satisfactory.
In another particularly preferred embodiment of the present invention, patch comprises eight symmetric petals, does not have reinforcement, and result of use is also more satisfactory.
Patch of the present invention has the typical occupation mode of two kinds of suggestions: thromboembolism mode and preperitoneal space mode.
Thromboembolism (Plug) mode may further comprise the steps: return and to receive hernical sac; With a plurality of petals of suitable operating theater instruments (as mosquito forceps) clamping patch, the substrate that makes lower floor forms the structure of similar " umbrella shape " to hand-held direction upset distortion; Whole patch is filled in the hernia ring, make patch become umbrella shape to place and make the edge almost concordant with the hernia ring; In case of necessity, with patch edge and hernia ring surrounding tissue sutured.
The preperitoneal space mode may further comprise the steps: free hernical sac, isolate enough big preperitoneal space; Return and to receive hernical sac; With a plurality of petals of suitable operating theater instruments (as mosquito forceps) clamping patch, the substrate that makes lower floor forms the structure of similar " umbrella shape " to hand-held direction upset distortion; Whole patch is filled in the hernia ring, be positioned over isolating preperitoneal space; Make its smooth placement in preperitoneal space with finger or the suitable belt pushing of apparatus sticking patch; With the petal sutured in hernia ring surrounding tissue.
List of references mentioned herein comprises patent document, scientific paper, publication etc., all by reference its full content is included in herein.
The specific embodiment described herein only is for illustrative purpose, the scope that does not limit the present invention in any way.Under situation without departing from the spirit and scope of the present invention, those of ordinary skills can make various changes and improvements to the present invention in form and details, and these all are considered to fall into protection scope of the present invention.
Claims (19)
1. one kind is used to repair the damaged implantable patch of muscular wall, comprising:
Substrate by implantable netted fabric forms wherein has many apertures; With
By a plurality of petals that implantable netted fabric forms, wherein, described petal is positioned at the upper surface of described substrate, and arranges around the center of described substrate, and the far-end of described petal is free, and near-end is fixed in the central area of described substrate,
Be fixed in many reinforcements of described substrate upper surface, wherein said reinforcement makes substrate keep smooth and difficult generation to curl in operation process, described reinforcement is arranged around the center of described substrate, and be spaced with described petal, and the far-end of described reinforcement is fixed in the upper surface of described substrate, and near-end is fixed in the central area of described substrate.
2. patch as claimed in claim 1, wherein, described substrate is circular.
3. patch as claimed in claim 1, wherein, the number of described substrate is 1 or 2.
4. patch as claimed in claim 1 wherein, also comprises film, and described film is positioned at the lower surface of described substrate, and is fixed together with it.
5. patch as claimed in claim 1, wherein, the number of described petal is 3,4 or 8.
6. patch as claimed in claim 1, wherein, described a plurality of petals are independently each other, are individually fixed in the central area of described substrate by near-end separately.
7. patch as claimed in claim 1, wherein, described a plurality of petals are an integral body, link together by their proximal end region.
8. patch as claimed in claim 1, wherein, the material of described substrate and described petal is identical.
9. patch as claimed in claim 1, wherein, described petal is symmetric radial arrangement around the center of described substrate.
10. patch as claimed in claim 1, wherein, described being fixed as welded or sewed up.
11. patch as claimed in claim 1, wherein, the netted fabric that forms described substrate is different with the weaving manner of the netted fabric that forms described petal, thereby makes the hardness of described substrate greater than the hardness of described petal.
12. patch as claimed in claim 1, wherein, the number of described reinforcement is 3 or 4.
13. patch as claimed in claim 1, wherein, described reinforcement is formed by implantable netted fabric, and is symmetric radial arrangement around the center of described substrate.
14. patch as claimed in claim 1, wherein, the far-end of described reinforcement only is fixed near the end points.
15. patch as claimed in claim 1, wherein, the one section zone that begins from the far-end of described reinforcement is fixed.
16. patch as claimed in claim 1, wherein, described reinforcement integral body is fixed.
17. patch as claimed in claim 1, wherein, described a plurality of reinforcements are an integral body, link together by their proximal end region.
18. patch as claimed in claim 1, wherein:
Described a plurality of petal and described a plurality of reinforcement are an integral body, link together by their proximal end region, and through welding or sew up and be fixed in the central area of described substrate.
19. patch as claimed in claim 18, wherein:
Described substrate, petal and reinforcement are formed by identical materials.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101076520A CN100493475C (en) | 2006-07-28 | 2006-07-28 | Embeddable multipurpose external hernia remedying slice |
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| CNB2006101076520A CN100493475C (en) | 2006-07-28 | 2006-07-28 | Embeddable multipurpose external hernia remedying slice |
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| CN100493475C true CN100493475C (en) | 2009-06-03 |
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| EP2613734A2 (en) * | 2010-09-09 | 2013-07-17 | W.L. Gore & Associates, Inc. | Surgical mesh |
| CN102058442A (en) * | 2010-12-21 | 2011-05-18 | 常州市三联星海医疗器械制造有限公司 | Compound anti-adhesion herniorrhaphy tablet and manufacturing method thereof |
| CN102217957A (en) * | 2011-06-03 | 2011-10-19 | 雷泽华 | Transabdominal children hernial sac closer |
| FR2977790B1 (en) * | 2011-07-13 | 2013-07-19 | Sofradim Production | PROSTHETIC FOR UMBILIC HERNIA |
| 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 |
| CN102772829A (en) * | 2012-07-11 | 2012-11-14 | 北京天助畅运医疗技术股份有限公司 | Partially absorbed herniorrhaphy patch |
| DE102012016090A1 (en) | 2012-08-14 | 2014-02-20 | Johnson & Johnson Medical Gmbh | Surgical implant |
| DE102012021547A1 (en) | 2012-11-02 | 2014-05-08 | Johnson & Johnson Medical Gmbh | Surgical implant |
| CN104510544B (en) * | 2014-11-17 | 2017-01-18 | 贾忠 | Automatic-expansion patch and using method thereof |
| CN104706443B (en) * | 2015-03-19 | 2016-08-17 | 东华大学 | A kind of hernia with rigidity gradient change repairs sticking patch and preparation method thereof |
| DE102015013992A1 (en) | 2015-10-30 | 2017-05-04 | Johnson & Johnson Medical Gmbh | Surgical implant and method for its production |
| CN106073939B (en) * | 2016-06-30 | 2018-03-06 | 申英末 | The tissue repairing's piece used under laparoscope |
| CN106821542B (en) * | 2017-02-20 | 2018-10-02 | 周建平 | Holder sticking patch for the repairing of adult inguinal hernia TAPE art formulas |
| CN111867516B (en) * | 2018-01-31 | 2023-12-29 | 钛合金纺织品公司 | Self-expanding mesh endoprosthesis for endoscopic hernia repair |
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2006
- 2006-07-28 CN CNB2006101076520A patent/CN100493475C/en active Active
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| CN101112335A (en) | 2008-01-30 |
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Address after: Beijing City, Chaoyang District Jiuxianqiao Road No. 2 Gongmei Building Room 305 Patentee after: TransEasy Medical Tech. Co.,Ltd. Address before: Beijing City, Chaoyang District Jiuxianqiao Road No. 2 Gongmei Building Room 305 Patentee before: Beijing TransEasy Medical Tech. Co., Ltd. |