CN107379514A - A kind of new medical operation suture thread processing method - Google Patents
A kind of new medical operation suture thread processing method Download PDFInfo
- Publication number
- CN107379514A CN107379514A CN201610315754.5A CN201610315754A CN107379514A CN 107379514 A CN107379514 A CN 107379514A CN 201610315754 A CN201610315754 A CN 201610315754A CN 107379514 A CN107379514 A CN 107379514A
- Authority
- CN
- China
- Prior art keywords
- printing
- suture
- processing method
- medical operation
- suture thread
- 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.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/06—Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
- A61B17/06166—Sutures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00526—Methods of manufacturing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/06—Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
- A61B17/06166—Sutures
- A61B2017/0619—Sutures thermoplastic, e.g. for bonding, welding, fusing or cutting the suture by melting it
Abstract
The invention discloses a kind of suture processing method based on 3D printing technique, including rapidoprint, printing step and parameter, and after print stretch processing.Described rapidoprint including nylon etc. can 3D printing material, described printing step includes starting, transition, reels off raw silk from cocoons and terminate four steps, described print parameters include material melts temperature, printing basal plane temperature, charging rate, print speed, printing filter tip height, and described rear printing stretch processing includes the selection such as tensile elongation, diameter and fracture strength of suture and measure.
Description
Technical field
The present invention relates to a kind of new medical operation suture thread processing method, including using 3D printing technique, heat-stabilized wood
Correlation technique and the technology such as material shaping and processing.
Background technology
The medical material that it is essential that medical operation suture thread is sewed up a wound after surgery.Surgical thread generally include it is soluble and
Insoluble two kinds.General insoluble suture uses nylon, silk thread etc. as material, wherein using nylon as based on material, substantially
The method reeled off raw silk from cocoons using heat is processed.The equipment price that heat is reeled off raw silk from cocoons is higher, and process is more complicated, and needs experience richer
Rich technical staff's operation equipment, causes cost higher；Corresponding production technology can only often produce a kind of suture of diameter
Line.Change technique is for this kind of production equipment and improper to produce the suture of different line footpaths.And the seam used in performing the operation
From coarse to fine, size is various for the diameter of zygonema.The suture that different line footpaths can be produced using a simple device is modern production
The direction of technological innovation.
The content of the invention
It is an object of the invention to provide a kind of processing method of economical and practical suture.
The present invention is to solve existing suture processing, process equipment costliness, complex process, dumb, production
The problems such as cost is high, and product storage is single.
In suture processing method of the present invention, suture is directly printed using the 3D printer of price economy
Line, simple stretch step then is carried out to suture further to refine suture line footpath as needed.
, can thermoplastic shaping by nylon etc. using 3D printer in the processing method of heretofore described suture
Then material applies pressure, from printing filter tip in the thawing unit heating and melting of 3D printer by feeding to the material of thawing
Extruded with monofilament state.Filter tip is printed by mobile, the monofilament of extrusion can be shaped to suture.The 3D printer of use is beaten
Printing the diameter of filter tip can select according to the size of printing line footpath, typically from 0.5mm to 0.2mm.Speed, the charging speed of printing
Degree, the temperature of melt temperature and printing basal plane and printing filter tip are machined parameters from height of printing basal plane etc..
In the processing method of heretofore described suture, the suture of printing can be stretched to not as needed
Same length, so as to meet the demand to different line footpath sutures.Maximum tensile elongation can pass through strength tension test
It is determined that.
Advantages of the present invention：The process equipment of medical operation suture thread in the present invention is simple, price economy, and technique is simple
Flexibly, the suture of different-diameter can be produced on same machine without changing printing technology；Energy consumption is low.
Brief description of the drawings
Fig. 1 is the suture printing step schematic diagram in the present invention.
Fig. 2 is the application example print parameters table of the suture printing in the present invention.
Fig. 3 is intensity experiment case in the suture drawing process in the present invention.
Fig. 4 is the suture intensity experiment result in the present invention.
Fig. 5 is suture and the American Pharmacopeia committee in the present invention（USP）Suture parameter comparison table.
Embodiment
Below in conjunction with the accompanying drawings and embodiment, the invention will be further described.
Fig. 1 show the suture 3D printing process schematic of the present invention.Basal plane will be printed firstTemperature be heated to
60oC, melt unitOperating temperature is 230oC.Using nylon as printed material, after the nylon for melting unit melts, just from beating
Print filter tipExtruded with monofilament state.Print procedure can be divided into four steps：
The first step（Starting）：Printing filter tip is moved on to from printing basal plane to normal print spacing, for example, 0.3-0.5mm, is beating
Print basal plane using 200mm/min print speed printing about 20mm length are used as start-up portion, start-up portion is firmly attached on
Print on basal plane.
Second step（Transition）：Print the translational speed of filter tip in the horizontal direction（Print speed）Improve, such as 800mm/
Min, while filter tip will be printed and expanded with printing the distance of basal plane, such as with 6mm/min speed.About at 1 second or so, beat
The filament nylon line of print has completely disengaged printing basal plane.
3rd step（Reel off raw silk from cocoons）：Printing filter tip is kept in translational speed both horizontally and vertically, continues printing suture high up in the air
Then line reduces printing filter tip with printing the distance of basal plane to normal print spacing such as 0.3- to certain length, such as 200mm
0.5m,.
4th step（Terminate）：The translational speed of filter tip in the horizontal direction will be printed and be changed to 200mm/min, vertically move speed
Spend for 0, in printing basal plane normal print 5-10mm as latter end.Latter end is attached on printing basal plane.
Fig. 2 show the inventive method and sets to obtain the printing suture of different-diameter using different print parameters.Starting and
The print speed of ending phase is all 200mm/min, print basal plane temperature it is constant be 65oC, the second step of printing and the 3rd
Step uses different charging rate and print speed, the diameter difference of available printing suture.
Fig. 3 show the pass between the tensile elongation during post-tensioning and tensile force of 3D printing suture of the present invention
The real case of system.A diameter of 0.15mm length is printed suture with 1mm/s speed tensile, this printing by case for 45mm
Suture forms secondary reel off raw silk from cocoons during post-tensioning.Different, the diameter of obtained final suture according to the length of stretching
Differ, maximum indeformable load also differs.1 curve is to be stretched to 100mm, and 2 curves are to be stretched to 180mm.Case
In suture when being stretched to 100mm, maximum load 800mN.If load increase, suture will produce plastic deformation and
Continue to elongate, maximum indeformable load is also with increasing, so as to adapt to the situation of overload automatically.Different length, different-diameter
Printing suture as needed in elongation process, can be drawn into the final suture of different-diameter and length into
Product.For example, the printing suture that a diameter of 0.15mm length is 45mm, after post-tensioning processing, length can be 45-175mm
Between any value, length is longer, and maximum indeformable load is higher.Maximum tensile elongation is the fracture of generally below test
Length 3-5mm.
Fig. 4 show four long 45mm of diameter 0.2mm printing suture after post-tensioning processing is stretched as 190mm
The tensile strength testing experiment result of final finished suture.Result of the test shows that finished product suture can be provided more than 3 newton
Maximum load.
Fig. 5 show line footpath and maximum load and the suture of the American Pharmacopeia committee of several 3D printing finished product sutures
The contrast of parameter as defined in line.By comparing, show the correlated characteristic of finished product suture processed using the method for the present invention,
Meet the requirement of the American Pharmacopeia committee including line footpath and load.
The above-mentioned example for being used for illustrating the present invention, it is in office where to should not be construed so as to limit the scope of the present under formula.
It will be understood by those skilled in the art that the side of the present invention can be realized in the thermoplastic forming apparatus such as any suitable 3D printing and technique
Method, in any material that can be used to heat ductile forming bright method in the side of being incorporated herein.
Claims (5)
1. a kind of new medical operation suture thread processing method, it is characterised in that comprise at least：
Use 3D printer printing with nylon etc. can thermoplastic shaping material operation suture thread method；Drawn using manual, simple
Mechanism, other instruments are stretched to the suture slenderizing process of printing shaping（Printing stretching afterwards）.
A kind of 2. processing method of new medical operation suture thread as claimed in claim 1, it is characterised in that described processing
Method directly prints the medical operation suture thread of a diameter of certain value using 3D printer.
A kind of 3. processing method of new medical operation suture thread as claimed in claim 1, it is characterised in that described processing
The rear printing stretching of method uses by hand, or by other instruments, equipment etc., the suture of printing is elongated, makes its diameter
Uniformly refinement, fracture strength improve.
4. a kind of new medical operation suture thread processing method as claimed in claim 3, its suture stretched in rear printing
The tensile elongation of journey can be determined by tensile strength test.
5. a kind of new medical operation suture thread processing method as claimed in claim 3, its suture stretched in rear printing
The change of the tensile elongation of journey can provide appropriate elasticity for suture, so that suture has to load automatically adjusts energy
Power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610315754.5A CN107379514A (en) | 2016-05-14 | 2016-05-14 | A kind of new medical operation suture thread processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610315754.5A CN107379514A (en) | 2016-05-14 | 2016-05-14 | A kind of new medical operation suture thread processing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107379514A true CN107379514A (en) | 2017-11-24 |
Family
ID=60337818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610315754.5A Pending CN107379514A (en) | 2016-05-14 | 2016-05-14 | A kind of new medical operation suture thread processing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107379514A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU9236298A (en) * | 1998-11-12 | 2000-05-18 | Takiron Co. Ltd. | Shape-memory, biodegradable and absorbable material |
| US20100187134A1 (en) * | 2007-04-17 | 2010-07-29 | Philippe Margueritte | Suturing threads storage device |
| CN201637398U (en) * | 2009-10-09 | 2010-11-17 | 上海远梓电子科技有限公司 | Tester special for medical suture diameter |
| CN101903573A (en) * | 2007-12-17 | 2010-12-01 | 帝斯曼知识产权资产管理有限公司 | Process for spinning UHMWPE, UHMWPE multifilament yarns produced thereof and products comprising said yarns |
| EP2447040A3 (en) * | 2010-10-28 | 2013-12-18 | Covidien LP | Barbed suture |
| CN104906630A (en) * | 2015-06-24 | 2015-09-16 | 王永清 | Medical absorbable cable, preparation method and application thereof and internal fixation system |
| CN105457082A (en) * | 2015-12-17 | 2016-04-06 | 张德信 | Surgical suture capable of reducing scars and preparation method |
-
2016
- 2016-05-14 CN CN201610315754.5A patent/CN107379514A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU9236298A (en) * | 1998-11-12 | 2000-05-18 | Takiron Co. Ltd. | Shape-memory, biodegradable and absorbable material |
| US20100187134A1 (en) * | 2007-04-17 | 2010-07-29 | Philippe Margueritte | Suturing threads storage device |
| CN101903573A (en) * | 2007-12-17 | 2010-12-01 | 帝斯曼知识产权资产管理有限公司 | Process for spinning UHMWPE, UHMWPE multifilament yarns produced thereof and products comprising said yarns |
| CN201637398U (en) * | 2009-10-09 | 2010-11-17 | 上海远梓电子科技有限公司 | Tester special for medical suture diameter |
| EP2447040A3 (en) * | 2010-10-28 | 2013-12-18 | Covidien LP | Barbed suture |
| CN104906630A (en) * | 2015-06-24 | 2015-09-16 | 王永清 | Medical absorbable cable, preparation method and application thereof and internal fixation system |
| CN105457082A (en) * | 2015-12-17 | 2016-04-06 | 张德信 | Surgical suture capable of reducing scars and preparation method |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171124 |
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