CN1317998C - Degradable medical tissue suture piece - Google Patents
Degradable medical tissue suture piece Download PDFInfo
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- CN1317998C CN1317998C CNB2004100454513A CN200410045451A CN1317998C CN 1317998 C CN1317998 C CN 1317998C CN B2004100454513 A CNB2004100454513 A CN B2004100454513A CN 200410045451 A CN200410045451 A CN 200410045451A CN 1317998 C CN1317998 C CN 1317998C
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Abstract
The present invention relates to a medical tissue suture piece for suturing human tissues. The suture piece is provided with a degradable suture male buckle and a degradable suture female buckle, wherein the suture male buckle is an integral piece and is provided with a base and a solid convex column provided with a cylindrical body in a cylindrical shape; the suture female buckle is an integral piece and is provided with a buckle communicating hole. During use, after penetrating through human tissues, the body of the convex column of the suture male buckle is inserted and fastened with the buckle communicating hole of the suture female buckle to realize connection for the human tissues. The suture piece of the present invention has the advantages of simple operation, short operation time, reliable connection and no sequelae during operations.
Description
Technical field
The present invention relates to a kind of medical tissue stitch that tissue is sewed up of being used for.
Background technology
Hospital is in carrying out surgical operation, when blood vessel, fascia, stomach, muscle, tendon, intestinal, esophagus, subcutaneous tissue etc. are sewed up, the general stitching thread that adopts is sewed up, and is cumbersome with the operation of suturing with thread management, operating time long, patient's hemorrhage and damage chance is many.Also have and adopt special apparatus to carry out suture operation, employed connector is metal needles such as titanium nail, tantalum nail and stainless pin, and this identical method has characteristics such as operation is simple and easy, otch is smooth, operating time is short; But because the anastomosis staple long-term existence is in body and non-degradable or absorbed by human body, so that easily generation is counter in the operation back flows or sequela such as granuloma occurs.In addition, in the surgical operation that carries out tissue, also adopted biodegradation material, this material can be after implanting, cell is in the process of its surface adhesion, propagation formative tissue, degrade under the effect of body fluid, enzyme, cell etc., the programming small-molecule substance is absorbed or is excreted by metabolism.The prior biological degradable material has natural material, macromolecular material, ceramic material and composite etc.Use more natural material chitin and derivant, collagen and other protein material are arranged; What application was more in the ceramic material is hydroxyapatite, tricalcium phosphate and other biomedical porous ceramic film material; Biodegradated polymer materal mainly is a fatty acid polyglycol esters material, as the copolymer of polylactic acid (PLA), polyglycolic acid (PGA), polylactic acid and polyglycolic acid, polycaprolactone etc.Chinese patent application 02152165.4 provides a kind of chitosan graft polyvinylpyrrolidone as biodegradation material, relevant raw material is obtained can obtaining behind the gel product tubulose, bar-shaped, strip, blocky material through reaction after carrying out plastotype, carry out lyophilization again, obtain porous support materials, but do not relate to concrete shape.Chinese patent application 92113100.3 has proposed a kind of Biodegradable polycaprolactone polyether block polymer, with raw material again inert atmosphere down reaction to copolymer, this copolymer can only propose to cast thin film for concrete shape with chloroform dissolving back casting mold, does not point out its concrete application.Chinese patent application 97116925.X has proposed a kind of compositions that comprises developing agent, infection and cancer therapy drug, biodegradation high molecular; Biodegradation high molecular wherein is polycaprolactone, polycaprolactone-polyether block copolymer, polylactic acid, polycaprolactone-polylactide copolymer, polylactic acid-copolyether, polycaprolactone-polyethers-polylactide copolymer, polycaprolactone-poly-glycolide copolymer, poly-(Acetic acid, hydroxy-, bimol. cyclic ester-lactide) copolymer, chitosan, bath hydrochlorate, gelatin, bright protein; And the proposition Biodegradable high molecular can be used relevant solvent solution-forming, also available heating means are Biodegradable high molecular fusion cooling aftershapings, also mention and can be used for making the bowel anastomosis device or the cover that coincide, the esophagus anastomat or the cover that coincide, but do not provide concrete shape.Chinese patent application 98126516.2 has proposed a kind of degradable in vivo surgical stapling cover that is used for surgical stapling, and this identical cover is made up of protruding cover and recessed cover two parts, and recessed cover is the recessed body of a tubulose, has sealed groove on recessed body; The protruding body of protruding cover also is a tubulose, has key at protruding body head; Its used biological degradability compositions is the relevant material that is proposed among the Chinese patent application 97116925.X.This identical cover only is used for intestinal.
Summary of the invention
The object of the present invention is to provide a kind of degradability medical tissue stitch that is used for, simple to operate when undergoing surgery with this stitch, operating time lacks, connects reliable, no sequel.
Total technical conceive of the present invention is: adopt the formed medical stitch of degradation material, adopt the column fastener to pass after the tissue and seat part with holes fastenings of pegging graft in use, thereby realization is to the connection of tissue.
The technical scheme that realizes the object of the invention is: this stitch has degradable stitching sun button and the cloudy button of degradable stitching; Its construction features is: sew up the sun button for integral piece, have pedestal and solid projection; Projection has and is shaped as columniform cylinder; Sew up cloudy button and be integral piece, sew up cloudy button and be provided with the snapping through hole that whole holes section or part hole section match with the cylinder of sewing up the projection that sun detains.
The projection of above-mentioned stitching sun button also has superposed snapping head; The snapping head adopt the shape of shoulder block with the cylinder adjacent part, perhaps adopt the shape of the truncated cone-shaped that diameter increases gradually.The snapping through hole of the cloudy button of the stitching of this moment can be made up of last hole section and following hole section, and last hole section is a diameter greater than the counterbore of hole section down, and the following hole section of sewing up the snapping through hole that cylinder and stitching the moon of the projection of sun button detains when using matches.
The quantity of the projection of above-mentioned stitching sun button can have 2, and being shaped as of pedestal is cylindrical, and pedestal is connected with the transition of 2 projections natures and makes that whole to sew up positive basic configuration of detaining be U-shaped; The basic configuration of sewing up cloudy button is a plate shape, and the quantity of the snapping through hole of the cloudy button of stitching is 2.The height of the projection of this stitching sun button is 3 to 15 millimeters, and wherein the height of the cylinder of projection is 2 to 12 millimeters; The diameter of the cylinder of projection is 0.5 to 5 millimeter; Distance between two projections is 2 to 20 millimeters, preferred 2.5 to 10 millimeters; The thickness of slab of sewing up cloudy button is 0.5 to 5 millimeter.
The quantity of the projection of above-mentioned stitching sun button also can have 2 to 5, pedestal be shaped as plate shape; Sewing up cloudy basic configuration of detaining is plate shape, and the quantity of the snapping through hole of the cloudy button of stitching is identical with the quantity of sewing up the positive projection of detaining.The height of the projection of this stitching sun button is 3 to 15 millimeters, and wherein the height of the cylinder of projection is 2 to 12 millimeters; The diameter of the cylinder of projection is 0.5 to 5 millimeter; Distance between each projection and the adjacent projection is 2 to 20 millimeters, preferred 2.5 to 10 millimeters; The thickness of slab of sewing up cloudy button is 0.5 to 5 millimeter.When the quantity of the projection of sewing up the sun button had 2 to 3, the cylinder of each projection was parallel to each other or is symmetrical outward-dipping, and inclined angle alpha is that 0 degree is to 30 degree.
On the upper surface of the tabular pedestal of above-mentioned stitching sun button and the tabular lower surface of sewing up cloudy button can be matsurface or can be equipped with anti-skid design.Sew up the pedestal of sun button and the edge part of the cloudy button of stitching and can all have fillet.
The present invention has positive effect: (1) of the present invention to be used for the biodegradation high molecular composition that degradability medical tissue stitch can adopt Chinese patent application 98126516.2 and 97116925.X to propose and to be material and to adopt corresponding method to make, and obtains the stitching sun button in the stitch of the present invention respectively and sew up cloudy button.(2) the present invention's employing has the positive button of stitching of the projection of columniform cylinder, and this projection is tipped row grafting fastening in the stitching the moon in bracelet connection hole after passing tissue, thereby realizes the reliable stitching connection to tissue.Can be degraded by tissue over time because of this stitch and to be absorbed no sequel.When adopting the inclination mode to be provided with, projection can further strengthen the fastening fastness.(3) projection when stitching sun button of the present invention matches with sewing up the cloudy snapping through hole of detaining, and realizes the reliable stitching of tissue by both closely cooperating; When the present invention's employing has the structure of snapping head, after carrying out relevant tissue apposition, have auto-lock function, can more effectively prevent to sew up the sun button and sew up cloudy disengagement of detaining, thereby make the buckled stitching fastness of stitch higher.When the present invention adopts symmetry to lean outward the snapping suture way of inclined, also make the buckled stitching fastness of stitch higher.(4) sewing up the sun button and sewing up the adopting structure and sew up the sun button with the tissue contact position when adopting the cylinder of corresponding height of cloudy button as the present invention with anti-skid design, can make under the certain pressure of being organized in of suture and be in good microcirculating state, to prevent the necrosis of suture tissue.When (5) pedestal of detaining when stitching sun of the present invention has the shape of fillet with the edge part employing of sewing up the moon button, can prevent of the damage of these positions to tissue.The edge part of sewing up the pedestal of sun button and sewing up cloudy button has fillet, and to help protective tissue injury-free.
Description of drawings
Fig. 1 is the schematic perspective view of the stitch in the embodiments of the invention 1, and stitching sun is wherein detained and sewed up cloudy buckle in the state that separates.
Fig. 2 is the schematic perspective view during from Fig. 1 beneath.
Fig. 3 sews up the cloudy schematic perspective view of buckling for the sun of the stitching shown in Fig. 1 is fastened on.
Fig. 4 is the schematic perspective view of the stitch in the embodiments of the invention 2, and stitching sun is wherein detained and sewed up cloudy buckle in the state that separates.
Fig. 5 is the schematic perspective view during from Fig. 4 beneath.
Fig. 6 sews up the cloudy schematic perspective view of buckling for the sun of the stitching shown in Fig. 4 is fastened on.
Fig. 7 is the schematic perspective view of the stitch in the embodiments of the invention 3, and stitching sun is wherein detained and sewed up cloudy buckle in the state that separates.
Fig. 8 is the schematic perspective view during from Fig. 7 beneath.
Fig. 9 sews up the cloudy schematic perspective view of buckling for the sun of the stitching shown in Fig. 7 is fastened on.
Figure 10 is the schematic perspective view of the stitch in the embodiments of the invention 4, and stitching sun is wherein detained and sewed up cloudy buckle in the state that separates.
Figure 11 is the schematic perspective view during from Figure 10 beneath.
Figure 12 is the schematic perspective view of the stitch in the embodiments of the invention 5, and stitching sun is wherein detained and sewed up cloudy buckle in the state that separates.
Figure 13 is the schematic perspective view during from Figure 12 beneath.
Figure 14 is the schematic perspective view of the stitch in the embodiments of the invention 6, and stitching sun is wherein detained and sewed up cloudy buckle in the state that separates.
Figure 15 is the schematic perspective view during from Figure 14 beneath.
Figure 16 is the schematic perspective view of the stitch in the embodiments of the invention 7, and stitching sun is wherein detained and sewed up cloudy buckle in the state that separates.
Figure 17 is the schematic perspective view during from Figure 16 beneath.
Figure 18 is the schematic perspective view of the stitch in the embodiments of the invention 8, and stitching sun is wherein detained and sewed up cloudy buckle in the state that separates.
Figure 19 is the schematic perspective view during from Figure 18 beneath.
Figure 20 is the schematic perspective view of the stitch in the embodiments of the invention 9, and stitching sun is wherein detained and sewed up cloudy buckle in the state that separates.
Figure 21 is the schematic perspective view of the stitch in the embodiments of the invention 10, and stitching sun is wherein detained and sewed up cloudy buckle in the state that separates.
Figure 22 is the schematic perspective view of the stitch in the embodiments of the invention 11, and stitching sun is wherein detained and sewed up cloudy buckle in the state that separates.
Figure 23 is the schematic perspective view of the stitch in the embodiments of the invention 12, and stitching sun is wherein detained and sewed up cloudy buckle in the state that separates.
Figure 24 is the schematic perspective view of the stitch in the embodiments of the invention 13, and stitching sun is wherein detained and sewed up cloudy buckle in the state that separates.
Figure 25 is the schematic perspective view of the stitch in the embodiments of the invention 14, and stitching sun is wherein detained and sewed up cloudy buckle in the state that separates.
Figure 26 is the schematic perspective view of the stitch in the embodiments of the invention 15, and stitching sun is wherein detained and sewed up cloudy buckle in the state that separates.
Figure 27 is the schematic perspective view in the embodiment of the invention 16, and stitching sun is wherein detained and sewed up cloudy buckle in the state that separates.
Figure 28 is the schematic perspective view during from Figure 27 beneath.
The specific embodiment
(embodiment 1)
See Fig. 1 and Fig. 2, the degradability medical tissue stitch of present embodiment has the cloudy button 11 of degradable stitching sun button 24 and degradable stitching.The biodegradation high moleculars that stitching sun button 24 and stitching the moon button 11 adopt Chinese patent application 98126516.2 and 97116925.X to propose are material and adopt corresponding method making, wherein, the shape of used mould is corresponding with the shape that stitching shown in Figure 1 sun is buckled, and corresponding with the cloudy shape of detaining of stitching shown in Figure 2; The additional proportion of control correlative, time that can control degradation is to satisfy the required time of different tissues growth.During concrete operations, for polylactic acid or/and the biodegradation high molecular of polycaprolactone class adopts injection moulding process, after also being about to biodegradation high molecular raw material heating and melting, the injecting method that employing has certain pressure adds fused raw material in the mould, then wait for the material curing and demolding and obtain sewing up positive button 24 and detain 11 (in other embodiments with stitching is cloudy, for own tetrose or chitin class raw material, can adopt the method for instillation to obtain sewing up sun button 24 and sew up cloudy button 11; Concrete grammar is: these biodegradation high molecular raw materials are joined slurry---be dissolved in the corresponding solvent, injection molding under the room temperature, the demoulding of typing back and obtain finished product).
Still see Fig. 1 and Fig. 2, sewing up sun button 24 is integral piece, has 2 solid projection 24-1 and a plate shape pedestal 24-2.Two projection 24-1 are arranged in parallel and all are vertically set on the plate body of pedestal 24-2.Projection 24-1 has columniform solid cylinder 24-1-1 and is positioned at the solid stigma 24-1-2 of cylinder 24-1-1 upper end.The shape of stigma 24-1-2 is similar to sub warhead.It highly is 0.5 millimeter anti-skid design that the upper surface of plate shape pedestal 24-2 is provided with.Mould according to different size, can make the different stitching sun button 24 of diameter in 0.5 to 5 millimeter scope of cylinder 24-1-1, can be a rank by per 0.5 millimeter, the diameter that produces cylinder 24-1-1 successively be respectively 0.5,1.0,1.5,2.0,2.5,3.0,3.5,4.0,4.5 and 5.0 millimeter various stitching sun buttons 24; The height of cylinder 24-1-1 can be that a rank increases to 12 millimeters successively from 2.0 millimeters by per 0.5 millimeter then; Corresponding, the thickness of slab of the plate shape pedestal 24-2 of each stitching sun button 24 is identical with the diameter of its cylinder 24-1-1.Distance between the cylinder 24-1-1 is followed successively by 2.0 millimeters until 20.0 millimeters.The concrete parameter of the stitching sun button 24 of all size sees Table 1.
Table 1
| Sequence number | 101 | 102 | 103 | 104 | 105 | 106 | 107 | 108 | 109 | 110 |
| Height of column (mm) | 2.0 | 3.0 | 4.0 | 5.0 | 6.0 | 7.0 | 8.0 | 9.0 | 10.0 | 12.0 |
| Column diameter (mm) | 0.5 | 1.0 | 1.5 | 2.0 | 2.5 | 3.0 | 3.5 | 4.0 | 4.5 | 5.0 |
| Cylinder spacing (mm) | 2.0 | 3.0 | 4.0 | 6.0 | 8.0 | 10.0 | 12.5 | 15.0 | 17.5 | 20.0 |
| The thickness (mm) of plate shape pedestal | 0.5 | 1.0 | 1.5 | 2.0 | 2.5 | 3.0 | 3.5 | 4.0 | 4.5 | 5.0 |
Still see Fig. 1 and Fig. 2, sewing up cloudy button 11 be plate shape integral piece, sews up cloudy button 11 and is provided with 2 round buttons and connects hole 11-3, sews up that cloudy to detain that 11 lower surface is provided with highly be 0.5 millimeter anti-skid design.Sew up cloudy button 11 plurality of specifications is also arranged, make diameter different stitching the moon in 0.5 to 5 millimeter scope of snapping through hole 11-3 according to the mould of different size and buckle 11, corresponding is a rank by 0.5 millimeter, the diameter that produces snapping through hole 11-3 successively is respectively 0.4,0.9,1.4,1.9,2.4,2.9,3.4,3.9,4.4 and 4.9 millimeter the cloudy button 11 of various stitchings, and the distance between the snapping through hole 11-3 is followed successively by 2.0 millimeters to 20.0 millimeters.Each thickness of slab of sewing up cloudy button 11 is with bigger 0.1 millimeter and be provided with than the diameter of its snapping through hole 11-3.The concrete parameter of the cloudy button 11 of the stitching of all size sees Table 2, sequence number wherein is the cloudy button 11 of 201 stitching with sequence number is that 101 stitching sun is detained 24 uses that match, sequence number is the cloudy button 11 of 202 stitching with sequence number is uses that match of 102 stitching sun button 24, and the rest may be inferred, and be 210 the cloudy button 11 of stitching to be that 110 stitching is positive with sequence number until sequence number detain 24 uses that match.
Table 2
| Sequence number | 201 | 202 | 203 | 204 | 205 | 206 | 207 | 208 | 209 | 210 |
| Snapping through-hole diameter (mm) | 0.4 | 0.9 | 1.4 | 1.9 | 2.4 | 2.9 | 3.4 | 3.9 | 4.4 | 4.9 |
| Snapping through-hole spacing (mm) | 2.0 | 3.0 | 4.0 | 6.0 | 8.0 | 10.0 | 12.5 | 15.0 | 17.5 | 20.0 |
| Thickness of slab (mm) | 0.5 | 1.0 | 1.5 | 2.0 | 2.5 | 3.0 | 3.5 | 4.0 | 4.5 | 5.0 |
See Fig. 3, when the stitch of present embodiment is used, according to the different human body tissue of required stitching select corresponding specification stitching sun button 24 and with sew up sun button 24 and match that the stitching used is cloudy detains 11.
For example when the human body fascia is sewed up, if when the thickness of fascia is 1.0 millimeters, then can select sequence number for use is that 101 stitching sun button 24 and sequence number are 201 the cloudy button 11 of stitching.In the operation, with after sewing up sun button 24 cylinder 24-1-1 and passing the two-layer fascia that needs to sew up by its each projection 24-1, insert the corresponding snapping through hole 11-3 that sews up cloudy button 11 again, sew up sun button 24 and sew up cloudy button 11 tight fits and make, and two-layer fascia is pressed together, can be in the suture site be pressed in two-layer fascia 1.5 millimeters height, it compresses degree and is as the criterion still can keep the microcirculation of tissue.
When and for example the stomach of human body being sewed up, when if the thickness of coat of the stomach is 5 millimeters, then can to select sequence number for use be 110 stitching sun button 24 with sequence number is that 210 the cloudy button 11 of stitching carries out relevant suture operation, and it compresses degree for still keeping the microcirculation of tissue to be as the criterion (can be compacted to original thickness about 2/3).
Consider the protection that helps biological tissue, be equipped with fillet at the pedestal of sewing up the sun button and the edge part of sewing up cloudy button.
(embodiment 2)
See Fig. 4 to Fig. 6, the stigma 24-1-2 of the upper end of each projection 24-1 of the stitching sun button 24 of present embodiment is the snapping head; Snapping head 24-1-2 adopts the shape of the truncated cone-shaped that diameters increase gradually with cylinder 24-1-1 adjacent part 3, and top 4 is bullet-headed.All the other are identical with embodiment 1.In the use, after stitching sun button 24 is fastened on the cloudy button 11 of corresponding stitching, because if it is more much bigger than the stitching sun button of embodiment 1 structure the cylinder 24-1-1 that sews up sun button 24 will to be extracted the cloudy button of stitching 11 its active forces, so can be described as it has auto-lock function, the disengagement that can more effectively prevent to sew up the sun button and sew up cloudy button, thereby make the buckled stitching fastness of stitch higher, especially be fit to movable bigger tissue stitching uses such as digestive tract.
(embodiment 3)
See Fig. 7 to Fig. 9, the upper end of each projection 24-1 of the stitching sun button 24 of present embodiment is bullet-headed as the snapping head of stigma 24-1-2, and snapping head 24-1-2 forms shoulder block with cylinder 24-1-1 adjacent part 3.All the other are identical with embodiment 2.During use, each projection 24-1 of stitching sun button 24 stops projection 24-1 to be pulled out stitching the moon button 11 with the shoulder block of its snapping head 24-1-2.The buckled stitching fastness of the stitch of this structure is higher.
(embodiment 4)
See Figure 10 and Figure 11, the upper end of each projection 24-1 of the stitching sun button 24 of present embodiment is a segment shape as the snapping head of stigma 24-1-2, and snapping head 24-1-2 also forms shoulder block with cylinder 24-1-1 adjacent part 3.All the other are identical with embodiment 3.
(embodiment 5)
See Figure 12 and Figure 13, being shaped as of the pedestal 24-2 of the stitching of present embodiment sun button 24 is cylindrical, and pedestal 24-2 is connected with the transition of 2 projection 24-1 natures and makes that whole to sew up positive 24 the basic configuration of detaining be U-shaped.All the other are identical with embodiment 3.
(embodiment 6)
See Figure 14 and Figure 15, the upper end of each projection 24-1 of the stitching sun button 24 of present embodiment is made up of drum shaped body adjacent with cylinder 24-1-1 3 that is positioned at the bottom and the bead nullisomic that is positioned at top 4 as the snapping head of stigma 24-1-2; The snapping through hole 11-3 that sews up cloudy button 11 is made up of last hole section 11-3-1 and following hole section 11-3-2, and last hole section 11-3-1 is the counterbore of diameter greater than following hole section 11-3-2, and this time hole section 11-3-2 matches with the cylinder 24-1-1 of the projection 24-1 that sews up sun button 24; It is identical to sew up the thickness of slab of sewing up cloudy button 11 among height and the embodiment 1 of following hole section 23-1 of cloudy button 11, is respectively suitable size selected in 1 to 3 millimeter scope and sew up the cloudy height of detaining 11 last hole section 11-3-1 according to different specifications.When the cloudy button 11 of the stitching of this structure uses, can avoid because the sharp-pointed part at the top 4 of snapping head 24-1-2 to the damage of tissue.All the other are identical with embodiment 3.
(embodiment 7)
See Figure 16 and Figure 17, the upper end of each projection 24-1 of the stitching sun button 24 of present embodiment is the petal body as the snapping head of stigma 24-1-2.All the other are identical with embodiment 6.Be not positioned at the fillet of the plate shape pedestal 24-2 edge of sewing up sun button 24 and the fillet of sewing up female part 11 edges but draw in the drawings.
(embodiment 8)
See Figure 18 and Figure 19, the upper end of each projection 24-1 of the stitching sun button 24 of present embodiment is made up of drum shaped body adjacent with cylinder 24-1-1 3 that is positioned at the bottom and the small cone body that is positioned at top 4 as the snapping head of stigma 24-1-2; All the other are identical with embodiment 6.Be not positioned at the fillet of the plate shape pedestal 24-2 edge of sewing up sun button 24 and the fillet of sewing up female part 11 edges but draw in the drawings.
(embodiment 9)
See Figure 20, the pedestal 24-2 of the stitching sun button 24 of present embodiment is a meniscate plate, sews up the moon and detains 11 for having the crescent plate of snapping through hole.The stitch of present embodiment is used for the butt joint operation of digester tube and blood vessel, the specification of sewing up sun button 24 is within 101 to No. 103 the scope of stitching sun button 24 in the sequence number of embodiment 1, the height of sewing up the projection 24-1 of sun button 24 is 3 to 6 millimeters, and wherein the height of the cylinder 24-1-1 of projection 24-1 is 2 to 4 millimeters; The diameter of the cylinder 24-1-1 of projection 24-1 is 0.5 to 1.5 millimeter; The then corresponding sequence number at embodiment 1 of specification of sewing up cloudy button 11 is that the thickness of slab of sewing up cloudy button 11 is 0.5 to 1.5 millimeter within 201 to No. 203 the scope of the cloudy button 11 of stitching; All the other are identical with embodiment 2.
(embodiment 10)
See Figure 21, the stitching sun button 24 of present embodiment has 3 projection 24-1 that are arranged in parallel that arrange by in-line, sews up the moon and detains 11 to three snapping through hole 11-3 that arrange by in-line should be arranged.Distance between each adjacent projection 24-1 of the stitching sun button 24 of different size is followed successively by 2.0 millimeters to 20.0 millimeters.Distance between the adjacent snapping through hole 11-3 of the cloudy button 11 of the stitching of different size should be 2.0 millimeters to 20.0 millimeters mutually.All the other are identical with embodiment 2.Be not positioned at the fillet of the plate shape pedestal 24-2 edge of sewing up sun button 24 and the fillet of sewing up female part 11 edges but draw in the drawings.
(embodiment 11)
See Figure 22, the stitching sun button 24 of present embodiment has 3 projection 24-1 that are arranged in parallel, and the pedestal 24-2 that sews up sun button 24 is band rounded triangle plate, and each projection 24-1 is positioned at the corresponding bight of pedestal 24-2; The shape of sewing up the plate body of cloudy button 11 corresponds to the band rounded triangle, and sews up cloudy button 11 and be provided with 3 snapping through hole 11-3, and each snapping through hole 11-3 is positioned at a corresponding bight of the plate body of sewing up cloudy button 11.All the other are identical with embodiment 10.Be not positioned at the fillet of the plate shape pedestal 24-2 edge of sewing up sun button 24 and the fillet of sewing up female part 11 edges but draw in the drawings.
(embodiment 12)
See Figure 23, the pedestal 24-2 of the stitching sun button 24 of present embodiment is the plate body that is surrounded by the wave circular curve; The peripheral shape of sewing up the plate body of cloudy button 11 corresponds to the wave circular curve shape of sealing.All the other are identical with embodiment 10.Be not positioned at the fillet of the plate shape pedestal 24-2 edge of sewing up sun button 24 and the fillet of sewing up female part 11 edges but draw in the drawings.
(embodiment 13)
See Figure 24, the stitching of present embodiment sun button 24 has 4 projection 24-1 that are arranged in parallel, and the pedestal 24-2 that sews up sun button 24 is circular plate body, and 4 projection 24-1 are along the edge uniform distribution of circular plate body 24-2; Sew up cloudy button 11 plate body be shaped as circle, and sew up cloudy button 11 and have 4 snapping through hole 11-3, these 4 snapping through hole 11-3 are along the plate body edge uniform distribution of sewing up cloudy button 11.Distance between each adjacent projection 24-1 of the stitching sun button 24 of different size is followed successively by 2.0 millimeters to 20.0 millimeters.Distance between the adjacent snapping through hole 11-3 of the cloudy button 11 of the stitching of different size should be 2.0 millimeters to 20.0 millimeters mutually.All the other are identical with embodiment 2.
(embodiment 14)
See Figure 25, the stitching sun button 24 of present embodiment has 5 projection 24-1 that are arranged in parallel, and sews up the rectangle plate body of the pedestal 24-2 of sun button 24 for the band fillet, and 5 projection 24-1 are distributed on the pedestal 24-2 by mode shown in the figure; Sew up the rectangle that is shaped as the band fillet of the plate body of cloudy button 11, and the cloudy button 11 of stitching have 5 snapping through hole 11-3 that are provided with by position shown in the figure.Distance between each adjacent projection 24-1 of the stitching sun button 24 of different size is followed successively by 2.0 millimeters to 20.0 millimeters.Distance between the adjacent snapping through hole 11-3 of the cloudy button 11 of the stitching of different size should be 2.0 millimeters to 20.0 millimeters mutually.All the other are identical with embodiment 2.Be not positioned at the fillet of the plate shape pedestal 24-2 edge of sewing up sun button 24 and the fillet of sewing up female part 11 edges but draw in the drawings.
(embodiment 15)
See Figure 26, the stitching sun button 24 of present embodiment has 5 projection 24-1 that are arranged in parallel, and sews up the trapezoidal plate body of the pedestal 24-2 of sun button 24 for the band fillet, and 5 projection 24-1 are distributed on the pedestal 24-2 by mode shown in the figure; Sew up being shaped as of plate body of cloudy button 11 and be with the trapezoidal of fillet, and the cloudy button 11 of stitching has 5 snapping through hole 11-3 that are provided with by position shown in the figure.Distance between each adjacent projection 24-1 of the stitching sun button 24 of different size is followed successively by 2.0 millimeters to 20.0 millimeters.Distance between the adjacent snapping through hole 11-3 of the cloudy button 11 of the stitching of different size should be 2.0 millimeters to 20.0 millimeters mutually.All the other are identical with embodiment 2.
(embodiment 16)
See Figure 27 and Figure 28, the remainder of present embodiment is identical with embodiment 3, difference is: not parallel between 2 projection 24-1 of stitching sun button 24, it is 30 degree that the extended line of their axis intersects formed acute angles beta, and each projection of 2 projection 24-1 be 15 degree (among other embodiment, α can select between 0 to 30 degree) perpendicular to the folded sharp angle of straight line m, the n of the plate shape pedestal 24-2 body of sewing up sun button 24 (also i.e. the axis of 2 projections outward-dipping inclination angle in same plane).
Claims (10)
1, a kind of degradability medical tissue stitch has the cloudy button of degradable stitching sun button (24) and degradable stitching (11); It is characterized in that: sew up sun button (24) for integral piece, have pedestal (24-2) and solid projection (24-1); Projection (24-1) has and is shaped as columniform cylinder (24-1-1); Sewing up cloudy button (11) be integral piece, sews up cloudy button (11) and is provided with whole holes section or part hole section and sews up the snapping through hole (11-3) that the positive cylinder (24-1-1) of detaining the projection (24-1) of (24) matches.
2, degradability medical tissue stitch according to claim 1 is characterized in that: the projection (24-1) of sewing up sun button (24) also has superposed snapping head (24-1-2); Snapping head (24-1-2) adopt the shape of shoulder block with cylinder (24-1-1) adjacent part (3), or adopt the shape of the truncated cone-shaped that diameter increases gradually.
3, degradability medical tissue stitch according to claim 2, it is characterized in that: the snapping through hole (11-3) of sewing up cloudy button (11) is made up of last hole section (11-3-1) and following hole section (11-3-2), last hole section (11-3-1) is a diameter greater than the counterbore of hole section (11-3-2) down, and sew up when using sun button (24) projection (24-1) cylinder (24-1-1) with sew up cloudy following hole section (11-3-2) of detaining the snapping through hole (11-3) of (11) and match.
4, according to the described degradability medical tissue of one of claim 1 to 3 stitch, it is characterized in that: the quantity of sewing up the projection (24-1) of sun button (24) has 2, being shaped as of pedestal (24-2) is cylindrical, and pedestal (24-2) to be connected with the natural transition of 2 projections (24-1) and to make the whole basic configuration of sewing up sun button (24) be U-shaped; The basic configuration of sewing up cloudy button (11) is a plate shape, and the quantity of the snapping through hole (11-3) of the cloudy button of stitching (11) is 2.
5, degradability medical tissue stitch according to claim 4 is characterized in that: the height of sewing up two projections (24-1) of sun button (24) is 3 to 15 millimeters, and wherein the height of the cylinder (24-1-1) of projection (24-1) is 2 to 12 millimeters; The diameter of the cylinder (24-1-1) of projection (24-1) is 0.5 to 5 millimeter, and the distance between two projections (24-1) is 2 to 20 millimeters; The thickness of slab of sewing up cloudy button (11) is 0.5 to 5 millimeter.
6, according to the described degradability medical tissue of one of claim 1 to 3 stitch, it is characterized in that: the quantity of sewing up the projection (24-1) of sun button (24) has 2 to 5, pedestal (24-2) be shaped as plate shape; The basic configuration of sewing up cloudy button (11) is a plate shape, and to detain the quantity of projection (24-1) of (24) identical with sewing up sun to sew up the quantity of snapping through hole (11-3) of cloudy button (11).
7, degradability medical tissue stitch according to claim 6, it is characterized in that: the projection (24-1) of sewing up sun button (24) has 2 to 3, the cylinder (24-1-1) of each projection (24-1) is parallel to each other or is symmetrical outward-dipping, and inclined angle alpha is that 0 degree is to 30 degree.
8, degradability medical tissue stitch according to claim 6 is characterized in that: the height of sewing up the projection (24-1) of sun button (24) is 3 to 15 millimeters, and wherein the height of the cylinder (24-1-1) of projection (24-1) is 2 to 12 millimeters; The diameter of the cylinder (24-1-1) of projection (24-1) is 0.5 to 5 millimeter; Distance between each projection (24-1) and the adjacent projection (24-1) is 2 to 20 millimeters; The thickness of slab of sewing up cloudy button (11) is 0.5 to 5 millimeter.
9, degradability medical tissue stitch according to claim 6 is characterized in that: the upper surface of sewing up the pedestal (24-2) of sun button (24) is matsurface or is equipped with latticed decorative pattern with the lower surface of sewing up cloudy button (11).
10, degradability medical tissue stitch according to claim 6 is characterized in that: sew up the pedestal (24-2) of sun button (24) and the edge part of the cloudy button of stitching (11) and all have fillet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100454513A CN1317998C (en) | 2003-09-04 | 2004-05-21 | Degradable medical tissue suture piece |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN03152966 | 2003-09-04 | ||
| CN03152966.6 | 2003-09-04 | ||
| CNB2004100454513A CN1317998C (en) | 2003-09-04 | 2004-05-21 | Degradable medical tissue suture piece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1554313A CN1554313A (en) | 2004-12-15 |
| CN1317998C true CN1317998C (en) | 2007-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100454513A Expired - Fee Related CN1317998C (en) | 2003-09-04 | 2004-05-21 | Degradable medical tissue suture piece |
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| Country | Link |
|---|---|
| CN (1) | CN1317998C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060173424A1 (en) * | 2005-02-01 | 2006-08-03 | Conlon Sean P | Surgically implantable injection port having an absorbable fastener |
| CN102488540B (en) * | 2011-12-16 | 2013-12-04 | 北京中法派尔特医疗设备有限公司 | High-intensity absorbable stitching nail and nail bin component |
| CN109171851B (en) * | 2018-07-11 | 2020-08-21 | 温州市人民医院 | Vaginal suture button |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6011121A (en) * | 1994-11-10 | 2000-01-04 | B. Braun Surgical Gmbh | Surgical suture material, its use in surgery and process for its production |
| CN1258482A (en) * | 1998-12-25 | 2000-07-05 | 中国科学院化学研究所 | Degradable internal anastomosing casing for operational anastomosis |
| CN2698278Y (en) * | 2004-05-21 | 2005-05-11 | 马剑文 | Tissue stitch assembly for medical use with degradation property |
-
2004
- 2004-05-21 CN CNB2004100454513A patent/CN1317998C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6011121A (en) * | 1994-11-10 | 2000-01-04 | B. Braun Surgical Gmbh | Surgical suture material, its use in surgery and process for its production |
| CN1258482A (en) * | 1998-12-25 | 2000-07-05 | 中国科学院化学研究所 | Degradable internal anastomosing casing for operational anastomosis |
| CN2698278Y (en) * | 2004-05-21 | 2005-05-11 | 马剑文 | Tissue stitch assembly for medical use with degradation property |
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| CN1554313A (en) | 2004-12-15 |
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