CN205041835U - Nail is sewed up to degradable for anastomat - Google Patents
Nail is sewed up to degradable for anastomat Download PDFInfo
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- CN205041835U CN205041835U CN201520421318.7U CN201520421318U CN205041835U CN 205041835 U CN205041835 U CN 205041835U CN 201520421318 U CN201520421318 U CN 201520421318U CN 205041835 U CN205041835 U CN 205041835U
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- degradable
- anastomat
- suturing nail
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Abstract
The utility model provides a nail is sewed up to degradable for anastomat, including the U -shaped main part, the U -shaped main part is made by medical degradable kirsite silk material, and the U -shaped main part has the structure that sets up the medicine. The utility model provides a nail is sewed up to degradable for anastomat adopts kirsite silk material to make, can keep the sufficient degradation time to have sufficient toughness and intensity simultaneously in the human body. And set up the structure of placing the medicine on sewing up the nail main part, can avoid the rotten of medicine effectively, the treatment of ideal is reached the human body.
Description
Technical field
This utility model relates to technical field of medical instruments, particularly a kind of anastomat degradable suturing nail.
Background technology
Along with the development of medical surgery suturing skill, doctor has brought into use anastomat (also referred to as stiching instrument) and suturing nail to sew up the technology of tissue or organ, to substitute the method that traditional employing stitching thread carries out manual suture gradually.Adopt anastomat suturing skill simple and quick, wound bleeding is few, decreases the misery of patient.
Current normally used anastomat suturing nail is made up of titanium alloy.But titanium alloy has highly corrosion resistant, will reside in patient body for a long time, cause patient to have foreign body sensation for a long time, and can shade be produced in visual medical inspection, the accuracy that impact checks.
In recent years, degradable magnesium alloy receives extensive concern in implanted medical device technical field.But corrosion resistance of magnesium alloy can be poor, degrade in human electrolyte's environment very fast, before anastomotic healing, easily corrode fragmentation fall, cause anastomotic healing bad.
Someone proposes in the erosion-resisting coating of magnesium alloy suturing nail surface-coated, to delay the degradation speed of magnesium alloy suturing nail, as anastomat Absorbable rod suturing nail disclosed in patent " CN201617885U " and " CN201210424102.7 ", all the Biodegradable material coating delaying degradation speed in Mg alloy surface coating, as descendent map etc.But the effect of these Biodegradable material coatings is unsatisfactory, as the degradation speed of suturing nail effectively can not be delayed, or cause suturing nail to be degraded not exclusively, still have foreign body to reside in patient body, and the material produced after degraded also easily causes infection and the pathological changes of anastomotic stoma.
For this reason, someone proposes at the further coated medicament in magnesium alloy suturing nail surface to sterilize to anastomotic stoma, as patent " CN203220398U " discloses a kind of anastomat degradable magnesium alloy anastomosis staple, at the silver ion layer that the surface-coated of magnesium alloy suturing nail can sterilize.But silver ion layer easily exposes oxidation, thus just loses biocidal efficacies before implant into body, and easily produces harmful substance.
Therefore, provide a kind of can after anastomotic healing absorb by human body and can play anastomotic stoma the suturing nail of Drug therapy effect, be the required problems solved of those skilled in the art.
Utility model content
This utility model provides a kind of effect can playing firm anastomotic stoma in healing stage, by human body is absorbed after anastomotic healing, can provide again the anastomat degradable suturing nail of effective Drug therapy to anastomotic stoma again simultaneously.
This utility model provides a kind of anastomat degradable suturing nail, comprises U-shaped main body, and described U-shaped main body is made up of medical degradable saxonia metal wire material, and described U-shaped main body has the structure arranging medicine.
Preferably, described medical degradable saxonia metal wire material is by a kind of in allumen, pltine, zinc chrome alloy, Zn-Cd alloy, zinc titanium alloy, manganese alloy, zinc calcium alloy or zinc-silver alloy or formed by the Combined machining of these systems.
Preferably, the shape of the cross section of described anastomat degradable suturing nail is circular, oval or polygon.
Preferably, the excursion of the Breadth Maximum of the described cross section of described medical degradable saxonia metal wire material is 0.22mm ~ 0.58mm.
Preferably, hole or striped is configured to described in.
Preferably, described anastomat degradable suturing nail can with agnail, and the described structure arranging medicine is the gap between two agnails.
Preferably, described medicine is antibiotics, the medicine promoting wound healing, the medicine promoting tissue growth or antibiotic medicine.
Preferably, described antibiotics is silver ion antimicrobial agent.
Preferably, the surface-coated of the described medical degradable saxonia metal wire material degradable coat that has biocompatibility excellent.
Preferably, described degradable coat is magnesium alloy, collagen, chitosan, gelatin, cellulose, fibroin albumen, polyglycolic acid, polyglycolic acid, polylactic acid, PC and copolymer thereof.
Preferably, the thickness of described degradable coat is 0.15 μm ~ 99.5 μm.
This utility model provides a kind of anastomat degradable suturing nail, comprises U-shaped main body, and described U-shaped main body is made up of medical degradable saxonia metal wire material, and described U-shaped main body is the tubular structure of hollow.
Preferably, described tubular structure inside is provided with antibiotics, promotes the medicine of wound healing, the medicine promoting tissue growth or antibiotic medicine.
The anastomat degradable suturing nail that this utility model provides, adopt medical degradable saxonia metal wire material to make, kirsite has excellent biocompatibility, and enough degradation times can be kept in human body to have enough toughness and intensity simultaneously.And the anastomat degradable suturing nail that provides of this utility model is provided with the structure of holding medicine in suturing nail main body, this structure can reduce the risk that oxidation of drug goes bad and makes moist effectively, reaches desirable therapeutic effect to human body.
Accompanying drawing explanation
Fig. 1 is the front view according to anastomat degradable suturing nail of the present utility model.
In Fig. 2, Fig. 2 a to Fig. 2 f is the sectional view at the A-A place of Fig. 1.
Fig. 3 arranges porose structural representation according to the U-shaped main body of the suturing nail of an embodiment of the present utility model.
Fig. 4 arranges streaky structural representation according to the U-shaped main body of the suturing nail of another embodiment of the present utility model.
Fig. 5 is the structural representation being provided with agnail and gap according to the U-shaped main body of the suturing nail of another embodiment of the present utility model.
Fig. 6 is the partial enlarged drawing at the B place of Fig. 5.
Detailed description of the invention
This utility model provides a kind of anastomat degradable suturing nail, and this suturing nail can play the effect of firm anastomotic stoma in healing stage, by human body is absorbed after anastomotic healing, can provide effective Drug therapy again to anastomotic stoma again simultaneously.
In order to make those skilled in the art understand the technical solution of the utility model better, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
See Fig. 1 to Fig. 5, this utility model adopts saxonia metal wire material to make the U-shaped main body 1 of suturing nail.Zinc is the indispensable trace element of human body, human body had a very important role, such as, can promote the growth promoter of human body, maintenance human normal appetite, enhancing body immunity, promote the healing of wound and wound (zinc supplement agent is applied to clinical being just used to the earliest and treats dermatosis), affect metabolism and the normal vision of vitamin A and regulate the various enzyme and receptor that affect physiological brain function.Supplement zinc tool on clinical medicine to be of great significance, therefore zinc is fool proof as embedded material.In addition, metallic zinc has stronger inertia and lower activity than magnesium metal, and therefore the degradation speed of metallic zinc is far below magnesium metal.Experiment shows, the degradation speed of kirsite in human body environment is within the scope of 0.18mm/a ~ 0.36mm/a.And, by the intensity and the toughness that regulate the composition structure of kirsite can control saxonia metal wire material.Preferably, use tensile strength at the saxonia metal wire of 180MPa ~ 480MPa excursion.The saxonia metal wire material used forms by the one in allumen, pltine, zinc chrome alloy, Zn-Cd alloy, zinc titanium alloy, manganese alloy, zinc calcium alloy or zinc-silver alloy or by these system combinations process.As shown in Fig. 1 and Fig. 2 a to Fig. 2 f, the cross section of saxonia metal wire can be circular, oval or polygon.Further, several difform cross section shown in property exemplified by Fig. 2 a to Fig. 2 f, its Breadth Maximum is the air line distance between MN, and preferably, the air line distance between MN changes in the scope of 0.22mm ~ 0.58mm.Therefore, after the saxonia metal wire implant into body that this utility model adopts, usually degraded can be completed within the time of 6 months to 3 years.
Further, if at the surface-coated medicine of saxonia metal wire, medicine may make moist due to exposure or oxidation deterioration, even comes off, thus before implant into body, just lose effect, so this utility model be provided with in saxonia metal wire main body 1 can the structure of filled drug.As shown in Figure 3, U-shaped main body 1 is provided with hole, can filled drug 4 in hole, thus decrease medicine with extraneous contact area and medicine be filled in suturing nail main body 1 and be not easy to come off, therefore quality and the quantity of medicine can be kept preferably, to keep enough drug effects, the structure of porous also easily makes suturing nail broken in degradation process simultaneously.Further, as shown in Figure 4, U-shaped main body 1 is provided with the striped of depression, striped can carry out filled drug as storage area, and the striped Breadth Maximum due to depression is less than the width of suturing nail main body, so along with the passing of suturing nail Implantation Time in vivo, suturing nail can rupture from striped, is conducive to the degraded of suturing nail.Further, as shown in Figure 5, the structure of agnail 2 can be provided with at the sidepiece of U-shaped main body 1, and equally can filled drug in the space 3 between adjacent two agnails 2, suturing nail not only can keep medicine well thus, the structure of the agnail 3 that it has can also make suturing nail keep slippage organizationally and not easily more firmly after suturing nail thrusts tissue, can support anastomotic stoma better.In addition, suturing nail also can be the tubular structure of hollow, can load medicine in tubular structure, reduce further the risk that drug exposure may make moist or be oxidized in the external world.
According to embodiment of the present utility model, the medicine loaded in suturing nail can be antibiotics, the medicine promoting wound healing, the medicine promoting tissue growth or antibiotic medicine.Antibiotics can be silver ion antimicrobial agent, and this antibacterial has good bactericidal action, thus can carry out bactericidal antiphlogistic to the tissue of anastomotic stoma, reduces the risk that open surgery may cause anastomotic stoma to infect.
Further; the biodegradable coating that biocompatibility can be had excellent in the surface-coated of degradable saxonia metal wire material suturing nail; to control the degradation speed of saxonia metal wire further and to make the structure of filling medicine (gap as between hole, striped or agnail) be isolated from the outside; certain protective effect is had to medicine while delaying suturing nail degradation speed; medicine can be made to discharge gradually along with the degraded of suturing nail rivet nut in the agglutination of anastomotic stoma, remain the bactericidal action to anastomotic stoma.The degradable coat used can be magnesium alloy, collagen, chitosan, gelatin, cellulose, fibroin albumen, polyglycolic acid, polyglycolic acid, polylactic acid, PC and copolymer thereof.The thickness of degradable coat is in the scope of 0.15 μm ~ 99.5 μm.
Above anastomat degradable suturing nail provided by the utility model is described in detail.Apply concrete example herein to set forth principle of the present utility model and embodiment, but the explanation of above embodiment just understands principle of the present utility model and core concept thereof for helping, the restriction not to this utility model protection domain.Should be understood that; for those skilled in the art; under the prerequisite not departing from this utility model principle, can also carry out some improvement and modification to this utility model, these improve and modify and also fall in the protection domain of this utility model claim.
Claims (10)
1. an anastomat degradable suturing nail, it is characterized in that, comprise U-shaped main body (1), described U-shaped main body (1) is made up of medical degradable saxonia metal wire material, and described U-shaped main body (1) has the structure arranging medicine (4).
2. anastomat degradable suturing nail according to claim 1, it is characterized in that, described medical degradable saxonia metal wire material is by a kind of in allumen, pltine, zinc chrome alloy, Zn-Cd alloy, zinc titanium alloy, manganese alloy, zinc calcium alloy or zinc-silver alloy or formed by the Combined machining of these systems.
3. anastomat degradable suturing nail according to claim 1, is characterized in that, the shape of the cross section of described anastomat degradable suturing nail is circular, oval or polygon.
4. anastomat degradable suturing nail according to claim 3, is characterized in that, the excursion of the Breadth Maximum of described cross section is 0.22mm ~ 0.58mm.
5. anastomat degradable suturing nail according to claim 1, is characterized in that, described in be configured to hole or striped.
6. anastomat degradable suturing nail according to claim 1, is characterized in that, described anastomat degradable suturing nail is with agnail (2), and described structure is the gap (3) between two agnails.
7. anastomat degradable suturing nail according to claim 1, is characterized in that, described medicine (4) is antibiotics, the medicine promoting wound healing, the medicine promoting tissue growth or antibiotic medicine.
8. anastomat degradable suturing nail according to any one of claim 1 to 7, is characterized in that, the degradable coat that the surface-coated of described medical degradable saxonia metal wire material has biocompatibility excellent.
9. anastomat degradable suturing nail according to claim 8, is characterized in that, the thickness of described degradable coat is 0.15 μm ~ 99.5 μm.
10. an anastomat degradable suturing nail, is characterized in that, comprises U-shaped main body (1), and described U-shaped main body (1) is made up of medical degradable saxonia metal wire material, the tubular structure that described U-shaped main body (1) is hollow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520421318.7U CN205041835U (en) | 2015-06-18 | 2015-06-18 | Nail is sewed up to degradable for anastomat |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520421318.7U CN205041835U (en) | 2015-06-18 | 2015-06-18 | Nail is sewed up to degradable for anastomat |
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| CN205041835U true CN205041835U (en) | 2016-02-24 |
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| CN201520421318.7U Expired - Fee Related CN205041835U (en) | 2015-06-18 | 2015-06-18 | Nail is sewed up to degradable for anastomat |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107198796A (en) * | 2017-05-22 | 2017-09-26 | 北京科技大学 | A kind of bio-medical Zn Mn Cu systems kirsite and preparation method thereof |
| CN108030527A (en) * | 2018-02-02 | 2018-05-15 | 派尔特（苏州）医疗科技有限公司 | A kind of staple for stapler |
| CN108201454A (en) * | 2016-12-20 | 2018-06-26 | 兰州大学 | A kind of absorbable tissue is closed fixator |
| CN110859650A (en) * | 2019-11-27 | 2020-03-06 | 苏州森锋医疗器械有限公司 | Anastomosis nail |
| CN111012420A (en) * | 2018-10-09 | 2020-04-17 | 上海交通大学 | Preparation method and application of antibacterial and biodegradable zinc alloy anastomosis nail |
| CN111388764A (en) * | 2020-04-03 | 2020-07-10 | 北京联合大学 | Degradable metal anastomosis nail and preparation method thereof |
| CN112155623A (en) * | 2020-09-15 | 2021-01-01 | 苏州法兰克曼医疗器械有限公司 | Anastomotic titanium nail for anastomat and processing equipment thereof |
| CN113528912A (en) * | 2021-07-12 | 2021-10-22 | 中山大学附属第六医院 | In-vivo absorbable metal anastomosis nail and preparation method thereof |
| CN111388764B (en) * | 2020-04-03 | 2024-06-04 | 北京联合大学 | Degradable metal anastomosis nail and preparation method thereof |
-
2015
- 2015-06-18 CN CN201520421318.7U patent/CN205041835U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108201454A (en) * | 2016-12-20 | 2018-06-26 | 兰州大学 | A kind of absorbable tissue is closed fixator |
| CN107198796A (en) * | 2017-05-22 | 2017-09-26 | 北京科技大学 | A kind of bio-medical Zn Mn Cu systems kirsite and preparation method thereof |
| CN107198796B (en) * | 2017-05-22 | 2020-08-25 | 北京科技大学 | Biomedical Zn-Mn-Cu zinc alloy and preparation method thereof |
| CN108030527A (en) * | 2018-02-02 | 2018-05-15 | 派尔特（苏州）医疗科技有限公司 | A kind of staple for stapler |
| CN111012420A (en) * | 2018-10-09 | 2020-04-17 | 上海交通大学 | Preparation method and application of antibacterial and biodegradable zinc alloy anastomosis nail |
| CN110859650A (en) * | 2019-11-27 | 2020-03-06 | 苏州森锋医疗器械有限公司 | Anastomosis nail |
| CN111388764A (en) * | 2020-04-03 | 2020-07-10 | 北京联合大学 | Degradable metal anastomosis nail and preparation method thereof |
| CN111388764B (en) * | 2020-04-03 | 2024-06-04 | 北京联合大学 | Degradable metal anastomosis nail and preparation method thereof |
| CN112155623A (en) * | 2020-09-15 | 2021-01-01 | 苏州法兰克曼医疗器械有限公司 | Anastomotic titanium nail for anastomat and processing equipment thereof |
| CN113528912A (en) * | 2021-07-12 | 2021-10-22 | 中山大学附属第六医院 | In-vivo absorbable metal anastomosis nail and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160224 |
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| CF01 | Termination of patent right due to non-payment of annual fee |