CN103989538B - Tubular fiber aggregation reinforced pipe road organ cast-molding device and using method thereof - Google Patents
Tubular fiber aggregation reinforced pipe road organ cast-molding device and using method thereof Download PDFInfo
- Publication number
- CN103989538B CN103989538B CN201410219839.4A CN201410219839A CN103989538B CN 103989538 B CN103989538 B CN 103989538B CN 201410219839 A CN201410219839 A CN 201410219839A CN 103989538 B CN103989538 B CN 103989538B
- Authority
- CN
- China
- Prior art keywords
- locking cap
- stem
- outside
- lower locking
- interior
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Road Paving Structures (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention provides a kind of tubular fiber aggregation reinforced pipe road organ cast-molding device, it is characterized in that, comprise base, outside lower locking cap, interior lower locking cap, stem stem, interior upper locking cap, outside upper locking cap and tube-like envelope, described outside lower locking cap is threaded base, in lower locking cap to be threaded outside lower locking cap, lower locking cap in stem stem threaded one end connects, in upper locking cap to be threaded the other end of stem stem, outside stem stem, cover has tubular fiber aggregation, tubular fiber aggregation two ends are separately fixed on interior upper locking cap and interior lower locking cap, outside upper locking cap is fixedly connected with interior upper locking cap, the outside of outside lower locking cap and outside upper locking cap is surrounded by tube-like envelope, tubular cavity is formed between stem stem and tube-like envelope, described tube-like envelope adopts removably to be formed by connecting by least two parts.The present invention is applicable to macromolecular solution moulding by casting tubular fiber aggregation reinforced pipe road organ.
Description
Technical field
The present invention relates to tubular fiber aggregation reinforced pipe road organ cast-molding device and using method thereof, belong to bio-medical technical field.
Background technology
Pipeline configuration has a wide range of applications in biomedical materials field, as artificial blood vessel, artificial esophagus, ureter rack tube etc.At present, bio-medical pipeline material mainly comprise polyester filament, fibroin fiber, ePTFE and other natural or synthesis degradable or non-degradable high polymer material.Forming method comprises woven, braiding, knitting, injection moulding and Static Spinning etc.Adopt different materials and forming method combination can obtain the pipeline of different shape, stuctures and properties.
Through investigation, the existing patent about medical pipeline organ cast-molding device is less both at home and abroad at present.The patent " a kind of artificial blood vessel preparation facilities " (publication number: CN103156707A) of the people such as the patent close with the present invention has 1, Yang Hongjun application.Device described in this patent and device described in this patent and using method thereof have obviously different, and device dismounting of the present invention is simple and the demoulding is easy.
Summary of the invention
The problem to be solved in the present invention is to provide tubular fiber aggregation reinforced pipe road organ cast-molding device and using method thereof.The present invention can the seamless pipeline that strengthens of the tubular fiber aggregation of one-shot forming interior diameter and overall diameter controllable precise, and the dismounting of this device is simple and the demoulding is easy.This device is applicable to tubular fiber aggregation as enhancing base, utilizes macromolecular solution moulding by casting pipeline organ.
In order to solve the problem, the invention provides tubular fiber aggregation reinforced pipe road organ cast-molding device, it is characterized in that, comprise base, outside lower locking cap, interior lower locking cap, stem stem, interior upper locking cap, outside upper locking cap and tube-like envelope, described outside lower locking cap is threaded base, in lower locking cap to be threaded outside lower locking cap, lower locking cap in stem stem threaded one end connects, in upper locking cap to be threaded the other end of stem stem, outside stem stem, cover has tubular fiber aggregation, tubular fiber aggregation two ends are separately fixed on interior upper locking cap and interior lower locking cap, outside upper locking cap is fixedly connected with interior upper locking cap, the outside of outside lower locking cap and outside upper locking cap is surrounded by tube-like envelope, tubular cavity is formed between stem stem and tube-like envelope, described tube-like envelope adopts removably to be formed by connecting by least two parts.
Preferably, described tube-like envelope is made up of shell one and shell two, and shell one adopts removably to be connected with the side of shell two, and described removably is concavo-convex coincideing.
Preferably, described outside lower locking cap and the overall diameter of outside upper locking cap are between 3mm to 60mm.
Preferably, the interior diameter of described tube-like envelope is between 3mm to 60mm.
Preferably, the diameter of described stem stem is between 1mm to 50mm.
Preferably, the material of described base, outside lower locking cap, interior lower locking cap, stem stem, interior upper locking cap, outside upper locking cap, shell one and shell two selects rustless steel or glass or politef independently.
Present invention also offers the using method of above-mentioned tubular fiber aggregation reinforced pipe road organ cast-molding device, it is characterized in that, concrete steps comprise:
Step 1: outside lower locking cap is connected with whorl of base, interior lower locking cap is threaded with outside lower locking cap, stem stem one end is threaded with interior lower locking cap, tubular fiber aggregation is enclosed within outside stem stem, tubular fiber aggregation one end stitching thread is tied up and is fixed under internal fixtion cap, again interior upper locking cap is threaded with stem stem, being tied up by the other end stitching thread of tubular fiber aggregation is fixed on interior upper locking cap, the lower end of shell one and shell two is enclosed within the outside of outside lower locking cap, by shell one and the concavo-convex identical formation tube-like envelope of shell dual side-edge,
Step 2: preparation is used for the macromolecular solution of gate spool road organ, is cast in the tubular cavity of shell one, shell two and stem stem formation, until water full bubble removing side by side, the other end of the stem stem that is threaded by outside upper locking cap;
Step 3: after casting complete, package unit is placed in steady temperature environment, allow the molding of pipeline organ, after to be formed, first remove outside upper locking cap, then shell one and shell two is removed, now pipeline organ and stem stem, interior lower locking cap and interior upper locking cap are integrated, interior lower locking cap is separated with outside lower locking cap, and remove tubular fiber aggregation and fixing between interior lower locking cap and interior upper locking cap respectively, respectively by interior lower locking cap and interior upper locking cap from stem stem take off and the demoulding, until pipeline organ is taken off smoothly.
Compared with prior art, the invention has the beneficial effects as follows:
1) macromolecular solution cast molding pipeline organ can be utilized;
2) the tubular fiber aggregation of one-shot forming interior diameter and overall diameter controllable precise seamless pipeline organ can be strengthened;
3) dismounting of this device is simple and the demoulding is easy;
4) device provided by the invention can realize normalizing operation completely, overcomes the deficiency of existing pipeline forming technique in raw material restriction and the control of pipeline morphosis.
Accompanying drawing explanation
Fig. 1 is tubular fiber aggregation reinforced pipe road organ cast-molding device structural representation;
Fig. 2 is tubular fiber aggregation reinforced pipe road organ cast-molding device assembling schematic diagram;
Fig. 3 is base schematic diagram;
Fig. 4 is interior lower locking cap, interior upper locking cap and outside lower locking cap schematic diagram;
Fig. 5 is stem stem schematic diagram;
Fig. 6 is outside upper locking cap schematic diagram;
Fig. 7 is shell one and shell two schematic diagram.
Detailed description of the invention
For making the present invention become apparent, hereby with preferred embodiment, and be described in detail below.
Embodiment one:
As shown in Figure 1, for tubular fiber aggregation reinforced pipe road organ cast-molding device structural representation, described tubular fiber aggregation reinforced pipe road organ cast-molding device, comprise base 1, outside lower locking cap 2, interior lower locking cap 3, stem stem 4, interior upper locking cap 5, outside upper locking cap 6 and tube-like envelope, described outside lower locking cap 2 is threaded base 1, in lower locking cap 3 to be threaded outside lower locking cap 2, lower locking cap 3 in stem stem 4 threaded one end connects, in upper locking cap 5 to be threaded the other end of stem stem 4, as shown in Figure 2, outside stem stem 4, cover has tubular fiber aggregation 9, tubular fiber aggregation 9 two ends are separately fixed on interior upper locking cap 5 and interior lower locking cap 3, outside upper locking cap 6 is fixedly connected with interior upper locking cap 5, the outside of outside lower locking cap 2 and outside upper locking cap 6 is surrounded by tube-like envelope, tubular cavity is formed between stem stem 4 and tube-like envelope, described tube-like envelope is made up of shell 1 and shell 28, shell 1 and the side of shell 28 adopt concavo-convex methods of anastomosis to be connected.
As shown in Figure 3, base 1 material selection rustless steel, there is screw at its center, to install outside lower locking cap 2.As shown in Figure 4, outside lower locking cap 2, interior lower locking cap 3, interior upper locking cap 5 material selection rustless steel, outside lower locking cap 2 overall diameter is 12mm, and interior lower locking cap 3 is 11mm with the overall diameter of interior upper locking cap 5.As shown in Figure 5, stem stem 4 material selection rustless steel, all there is screw thread at its two ends, diameter 10mm.As shown in Figure 6, outside upper locking cap 6 material selection rustless steel, overall diameter is 12mm.As shown in Figure 7, shell 1 and shell 28 are two semi-circular tubes, material selection rustless steel, and side adopts concavo-convex manner to coincide, and interior diameter is 12mm.
The method that use above-mentioned tubular fiber aggregation reinforced pipe road organ cast-molding device to prepare interior diameter is 10mm, overall diameter is 12mm tubular fiber aggregation strengthens polyurethane tube road organ is:
Step 1: outside lower locking cap 2 is threaded with base 1, interior lower locking cap 3 is threaded with outside lower locking cap 2, stem stem 4 one end is threaded with interior lower locking cap 3, tubular fiber aggregation 9 is enclosed within outside stem stem 4, tubular fiber aggregation 9 one end stitching thread is tied up and to be fixed under internal fixtion cap on 3, again interior upper locking cap 5 is threaded with stem stem 4, being tied up by the other end stitching thread of tubular fiber aggregation 9 is fixed on interior upper locking cap 5, the lower end of shell 1 and shell 28 is enclosed within the outside of outside lower locking cap 2, by shell 1 and the concavo-convex identical formation tube-like envelope of shell 28 side,
Step 2: preparation is used for the polyurethane high molecule solution of gate spool road organ, is cast in the tubular cavity of shell 1, shell 28 and stem stem 4 formation, until water full bubble removing side by side, the other end of the stem stem 4 that is threaded by outside upper locking cap 6;
Step 3: after casting complete, package unit is placed in steady temperature environment, allow the molding of pipeline organ, after to be formed, first remove outside upper locking cap 6, then shell 1 and shell 28 is removed, now pipeline organ and stem stem 4, interior lower locking cap 3 and interior upper locking cap 5 are integrated, interior lower locking cap 3 is separated with outside lower locking cap 2, and remove tubular fiber aggregation 9 and fixing between interior lower locking cap 3 and interior upper locking cap 5 respectively, respectively by interior lower locking cap 3 and interior upper locking cap 5 from stem stem 4 take off and the demoulding, until pipeline organ is taken off smoothly.Last rinser part, used in order to next time.
Embodiment two:
As shown in Figure 1, for tubular fiber aggregation reinforced pipe road organ cast-molding device structural representation, described tubular fiber aggregation reinforced pipe road organ cast-molding device, comprise base 1, outside lower locking cap 2, interior lower locking cap 3, stem stem 4, interior upper locking cap 5, outside upper locking cap 6 and tube-like envelope, described outside lower locking cap 2 is threaded base 1, in lower locking cap 3 to be threaded outside lower locking cap 2, lower locking cap 3 in stem stem 4 threaded one end connects, in upper locking cap 5 to be threaded the other end of stem stem 4, as shown in Figure 2, outside stem stem 4, cover has tubular fiber aggregation 9, tubular fiber aggregation 9 two ends are separately fixed on interior upper locking cap 5 and interior lower locking cap 3, outside upper locking cap 6 is fixedly connected with interior upper locking cap 5, the outside of outside lower locking cap 2 and outside upper locking cap 6 is surrounded by tube-like envelope, tubular cavity is formed between stem stem 4 and tube-like envelope, described tube-like envelope is made up of shell 1 and shell 28, shell 1 and the side of shell 28 adopt concavo-convex methods of anastomosis to be connected.
As shown in Figure 3, base 1 material selection glass, there is screw at its center, to install outside lower locking cap 2.As shown in Figure 4, outside lower locking cap 2, interior lower locking cap 3, interior upper locking cap 5 material selection glass, outside lower locking cap 2 overall diameter is 60mm, and interior lower locking cap 3 is 55mm with the overall diameter of interior upper locking cap 5.As shown in Figure 5, stem stem 4 material selection glass, all there is screw thread at its two ends, diameter 50mm.As shown in Figure 6, outside upper locking cap 6 material selection glass, overall diameter is 60mm.As shown in Figure 7, shell 1 and shell 28 are two semi-circular tubes, material selection glass, and side adopts concavo-convex manner to coincide, and interior diameter is 60mm.
The method that use above-mentioned tubular fiber aggregation reinforced pipe road organ cast-molding device to prepare interior diameter is 50mm, overall diameter is 60mm tubular fiber aggregation strengthens collagen protein pipeline organ is:
Step 1: outside lower locking cap 2 is threaded with base 1, interior lower locking cap 3 is threaded with outside lower locking cap 2, stem stem 4 one end is threaded with interior lower locking cap 3, tubular fiber aggregation 9 is enclosed within outside stem stem 4, tubular fiber aggregation 9 one end stitching thread is tied up and to be fixed under internal fixtion cap on 3, again interior upper locking cap 5 is threaded with stem stem 4, being tied up by the other end stitching thread of tubular fiber aggregation 9 is fixed on interior upper locking cap 5, the lower end of shell 1 and shell 28 is enclosed within the outside of outside lower locking cap 2, by shell 1 and the concavo-convex identical formation tube-like envelope of shell 28 side,
Step 2: preparation is used for the collagen protein macromolecular solution of gate spool road organ, is cast in the tubular cavity of shell 1, shell 28 and stem stem 4 formation, until water full bubble removing side by side, the other end of the stem stem 4 that is threaded by outside upper locking cap 6;
Step 3: after casting complete, package unit is placed in steady temperature environment, allow the molding of pipeline organ, after to be formed, first remove outside upper locking cap 6, then shell 1 and shell 28 is removed, now pipeline organ and stem stem 4, interior lower locking cap 3 and interior upper locking cap 5 are integrated, interior lower locking cap 3 is separated with outside lower locking cap 2, and remove tubular fiber aggregation 9 and fixing between interior lower locking cap 3 and interior upper locking cap 5 respectively, respectively by interior lower locking cap 3 and interior upper locking cap 5 from stem stem 4 take off and the demoulding, until pipeline organ is taken off smoothly.Last rinser part, used in order to next time.
Embodiment three:
As shown in Figure 1, for tubular fiber aggregation reinforced pipe road organ cast-molding device structural representation, described tubular fiber aggregation reinforced pipe road organ cast-molding device, comprise base 1, outside lower locking cap 2, interior lower locking cap 3, stem stem 4, interior upper locking cap 5, outside upper locking cap 6 and tube-like envelope, described outside lower locking cap 2 is threaded base 1, in lower locking cap 3 to be threaded outside lower locking cap 2, lower locking cap 3 in stem stem 4 threaded one end connects, in upper locking cap 5 to be threaded the other end of stem stem 4, as shown in Figure 2, outside stem stem 4, cover has tubular fiber aggregation 9, tubular fiber aggregation 9 two ends are separately fixed on interior upper locking cap 5 and interior lower locking cap 3, outside upper locking cap 6 is fixedly connected with interior upper locking cap 5, the outside of outside lower locking cap 2 and outside upper locking cap 6 is surrounded by tube-like envelope, tubular cavity is formed between stem stem 4 and tube-like envelope, described tube-like envelope is made up of shell 1 and shell 28, shell 1 and the side of shell 28 adopt concavo-convex methods of anastomosis to be connected.
As shown in Figure 3, base 1 material selection politef, there is screw at its center, to install outside lower locking cap 2.As shown in Figure 4, outside lower locking cap 2, interior lower locking cap 3, interior upper locking cap 5 material selection politef, outside lower locking cap 2 overall diameter is 30mm, and interior lower locking cap 3 is 25mm with the overall diameter of interior upper locking cap 5.As shown in Figure 5, stem stem 4 material selection politef, all there is screw thread at its two ends, diameter 20mm.As shown in Figure 6, outside upper locking cap 6 material selection politef, overall diameter is 30mm.As shown in Figure 7, shell 1 and shell 28 are two semi-circular tubes, material selection politef, and side adopts concavo-convex manner to coincide, and interior diameter is 30mm.
The method that use above-mentioned tubular fiber aggregation reinforced pipe road organ cast-molding device to prepare interior diameter is 20mm, overall diameter is 30mm tubular fiber aggregation strengthens polylactic-acid tube road organ is:
Step 1: outside lower locking cap 2 is threaded with base 1, interior lower locking cap 3 is threaded with outside lower locking cap 2, stem stem 4 one end is threaded with interior lower locking cap 3, tubular fiber aggregation 9 is enclosed within outside stem stem 4, tubular fiber aggregation 9 one end stitching thread is tied up and to be fixed under internal fixtion cap on 3, again interior upper locking cap 5 is threaded with stem stem 4, being tied up by the other end stitching thread of tubular fiber aggregation 9 is fixed on interior upper locking cap 5, the lower end of shell 1 and shell 28 is enclosed within the outside of outside lower locking cap 2, by shell 1 and the concavo-convex identical formation tube-like envelope of shell 28 side,
Step 2: preparation is used for the polylactic acid macromolecular solution of gate spool road organ, is cast in the tubular cavity of shell 1, shell 28 and stem stem 4 formation, until water full bubble removing side by side, the other end of the stem stem 4 that is threaded by outside upper locking cap 6;
Step 3: after casting complete, package unit is placed in steady temperature environment, allow the molding of pipeline organ, after to be formed, first remove outside upper locking cap 6, then shell 1 and shell 28 is removed, now pipeline organ and stem stem 4, interior lower locking cap 3 and interior upper locking cap 5 are integrated, interior lower locking cap 3 is separated with outside lower locking cap 2, and remove tubular fiber aggregation 9 and fixing between interior lower locking cap 3 and interior upper locking cap 5 respectively, respectively by interior lower locking cap 3 and interior upper locking cap 5 from stem stem 4 take off and the demoulding, until pipeline organ is taken off smoothly.Last rinser part, used in order to next time.
Claims (5)
1. the using method of a tubular fiber aggregation reinforced pipe road organ cast-molding device, described tubular fiber aggregation reinforced pipe road organ cast-molding device, it is characterized in that, comprise base (1), outside lower locking cap (2), interior lower locking cap (3), stem stem (4), interior upper locking cap (5), outside upper locking cap (6) and tube-like envelope, described outside lower locking cap (2) is threaded base (1), in lower locking cap (3) to be threaded outside lower locking cap (2), lower locking cap (3) in stem stem (4) threaded one end connects, in upper locking cap (5) to be threaded the other end of stem stem (4), stem stem (4) outside cover has tubular fiber aggregation (9), tubular fiber aggregation (9) two ends are separately fixed on interior upper locking cap (5) and interior lower locking cap (3), outside upper locking cap (6) is fixedly connected with interior upper locking cap (5), the outside of outside lower locking cap (2) and outside upper locking cap (6) is surrounded by tube-like envelope, tubular cavity is formed between stem stem (4) and tube-like envelope, described tube-like envelope adopts removably to be formed by connecting by least two parts, described tube-like envelope is made up of shell one (7) and shell two (8), shell one (7) adopts removably to be connected with the side of shell two (8), described removably is concavo-convex coincideing, it is characterized in that, concrete steps comprise:
Step 1: outside lower locking cap (2) is threaded with base (1), interior lower locking cap (3) is threaded with outside lower locking cap (2), stem stem (4) one end is threaded with interior lower locking cap (3), tubular fiber aggregation (9) is enclosed within stem stem (4) outside, tubular fiber aggregation (9) one end stitching thread to be tied up under being fixed on internal fixtion cap on (3), again interior upper locking cap (5) is threaded with stem stem (4), the other end stitching thread of tubular fiber aggregation (9) is tied up and is fixed on interior upper locking cap (5), the lower end of shell one (7) and shell two (8) is enclosed within the outside of outside lower locking cap (2), by shell one (7) and the concavo-convex identical formation tube-like envelope of shell two (8) side,
Step 2: preparation is used for the macromolecular solution of gate spool road organ, be cast in the tubular cavity that shell one (7), shell two (8) and stem stem (4) form, until water full bubble removing side by side, the other end of stem stem (4) that are threaded by outside upper locking cap (6);
Step 3: after casting complete, package unit is placed in steady temperature environment, allow the molding of pipeline organ, after to be formed, first remove outside upper locking cap (6), then shell one (7) and shell two (8) is removed, now pipeline organ and stem stem (4), interior lower locking cap (3) and interior upper locking cap (5) are integrated, interior lower locking cap (3) is separated with outside lower locking cap (2), and remove tubular fiber aggregation (9) and fixing between interior lower locking cap (3) and interior upper locking cap (5) respectively, respectively by interior lower locking cap (3) and interior upper locking cap (5) from stem stem (4) take off and the demoulding, until pipeline organ is taken off smoothly.
2. the using method of tubular fiber aggregation reinforced pipe road as claimed in claim 1 organ cast-molding device, it is characterized in that, described outside lower locking cap (2) and the overall diameter of outside upper locking cap (6) are between 3mm to 60mm.
3. the using method of tubular fiber aggregation reinforced pipe road as claimed in claim 1 organ cast-molding device, it is characterized in that, the interior diameter of described tube-like envelope is between 3mm to 60mm.
4. the using method of tubular fiber aggregation reinforced pipe road as claimed in claim 1 organ cast-molding device, it is characterized in that, the diameter of described stem stem (4) is between 1mm to 50mm.
5. the using method of tubular fiber aggregation reinforced pipe road as claimed in claim 1 organ cast-molding device, it is characterized in that, the material of described base (1), outside lower locking cap (2), interior lower locking cap (3), stem stem (4), interior upper locking cap (5), outside upper locking cap (6), shell one (7) and shell two (8) selects rustless steel or glass or politef independently.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410219839.4A CN103989538B (en) | 2014-05-22 | 2014-05-22 | Tubular fiber aggregation reinforced pipe road organ cast-molding device and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410219839.4A CN103989538B (en) | 2014-05-22 | 2014-05-22 | Tubular fiber aggregation reinforced pipe road organ cast-molding device and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103989538A CN103989538A (en) | 2014-08-20 |
| CN103989538B true CN103989538B (en) | 2016-04-06 |
Family
ID=51304051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410219839.4A Expired - Fee Related CN103989538B (en) | 2014-05-22 | 2014-05-22 | Tubular fiber aggregation reinforced pipe road organ cast-molding device and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103989538B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5759474A (en) * | 1996-04-25 | 1998-06-02 | Medtronic, Inc. | Method of making thickened inner lumen for uniform stent expansion |
| CN1568904A (en) * | 2004-05-14 | 2005-01-26 | 清华大学 | Preparation method of chitosan tubular bracket |
| CN101618233A (en) * | 2009-08-14 | 2010-01-06 | 东华大学 | Polytetrafluorethylene/fluoroelastomer composite artificial bile duct and preparation thereof |
| CN103156707A (en) * | 2013-03-07 | 2013-06-19 | 武汉纺织大学 | Artificial blood vessel preparing device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050187615A1 (en) * | 2004-02-23 | 2005-08-25 | Williams Michael S. | Polymeric endoprostheses with enhanced strength and flexibility and methods of manufacture |
-
2014
- 2014-05-22 CN CN201410219839.4A patent/CN103989538B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5759474A (en) * | 1996-04-25 | 1998-06-02 | Medtronic, Inc. | Method of making thickened inner lumen for uniform stent expansion |
| CN1568904A (en) * | 2004-05-14 | 2005-01-26 | 清华大学 | Preparation method of chitosan tubular bracket |
| CN101618233A (en) * | 2009-08-14 | 2010-01-06 | 东华大学 | Polytetrafluorethylene/fluoroelastomer composite artificial bile duct and preparation thereof |
| CN103156707A (en) * | 2013-03-07 | 2013-06-19 | 武汉纺织大学 | Artificial blood vessel preparing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103989538A (en) | 2014-08-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105363076B (en) | A kind of preparation method of polylactic acid caprolactone-collagen double-layer bionic intravascular stent | |
| Zhang et al. | Small-diameter polyurethane vascular graft with high strength and excellent compliance | |
| CN204246182U (en) | A kind of novel umbrella occluder for left auricle | |
| CN104287870A (en) | Tubular cavity stent | |
| CN109513041A (en) | A kind of magnesium wire silk composite braided structures nerve trachea and preparation method thereof | |
| CN103356314B (en) | Coil bioabsorbable stent | |
| WO2013163358A1 (en) | Engineered tissue scaffolds and supports therefor | |
| CN204798068U (en) | Device and conveying system are rebuild to blood vessel | |
| CN108310461B (en) | Porous silk fibroin spinal cord stent with directional release function, and preparation method, preparation mold and application thereof | |
| CN107441570A (en) | Dispoable medical drainage tube | |
| CN107510517A (en) | A kind of segment type branch type support | |
| CN103989538B (en) | Tubular fiber aggregation reinforced pipe road organ cast-molding device and using method thereof | |
| CN103933609A (en) | One-time molding artificial polyurethane blood vessel and making method thereof | |
| CN103263308A (en) | Microporous degradable collagen-chitosan nerve conduit and preparation method thereof | |
| EP3628012A1 (en) | Implantable vascular grafts | |
| CN110947025A (en) | Absorbable medical suture line with good degradation resistance and compatibility and preparation method thereof | |
| CN104473706B (en) | Biodegradable composite type tubular urethral stent and preparation method | |
| CN103989537B (en) | A kind of pipeline organ cast-molding device and using method thereof | |
| CN102835995B (en) | A kind of bone cement fill balloon-system | |
| CN102895053B (en) | Collateral covered graft-stent | |
| CN105232184B (en) | A kind of artificial blood vessel and preparation method thereof and ejecting device | |
| CN103989537A (en) | Pipeline organ cast forming device and use method thereof | |
| JP6469500B2 (en) | Nerve regeneration tube and method for manufacturing nerve regeneration tube | |
| CN203988191U (en) | A kind of magnetic devices that is applicable to large-scale vascular anastomosis | |
| CN205626208U (en) | Arteria carotis tectorial membrane support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20160406 Termination date: 20200522 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |