CN106042349A - Forming method of balloon - Google Patents
Forming method of balloon Download PDFInfo
- Publication number
- CN106042349A CN106042349A CN201610629671.3A CN201610629671A CN106042349A CN 106042349 A CN106042349 A CN 106042349A CN 201610629671 A CN201610629671 A CN 201610629671A CN 106042349 A CN106042349 A CN 106042349A
- Authority
- CN
- China
- Prior art keywords
- tubing
- sacculus
- forming method
- tapering
- bullet
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/22—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/753—Medical equipment; Accessories therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
Abstract
The invention discloses a forming method of a balloon. According to the method, a pipe for making a balloon is divided into three parts: a middle part, tapered parts adjacent to two ends, and end parts of the two ends. The three parts are subjected to heating and tension, respectively, to obtain a balloon with uniform thickness. Through cooperation of separate heating with a reasonable tensile speed, the balloon made through the forming method is uniform in thickness, good in flexibility and easy to fold. The ability for passing through lesion blood vessels is improved, the size of the whole balloon is decreased, and the balloon is convenient for packaging and transportation.
Description
Technical field
The present invention relates to the preparation method of a kind of medical balloon, in particular to a kind of sacculus forming method.
Background technology
The moulding process that at present manufacturing enterprise of medical balloon is used is all the process conditions of stretch-blow in mould, i.e.
Intermediate coat heats, the mould of end closing mould stretching, as disclosed in existing Chinese patent application one: high pressure resistant sacculus molding technology, Shen
Please number 200910067937.X, the sacculus mid portion thickness so formed out is uniform, but begins to gradually from sacculus tapering
Thickening and hardness becomes big, after the sacculus of such molding makes product, can face many deficiencies in the folding process of sacculus, as
Sacculus tapering after folding is harder, and sacculus Fold Flap is the most adherent, and this can cause the bigger than normal of whole sacculus product external diameter, is using
During will be declined by the ability in vascular lesion region, be substantially reduced its usability.
Summary of the invention
Present invention aim to the defect overcoming existing medical balloon end harder, it is provided that a kind of simple ball
Capsule forming method, to produce all uniform medical balloon of various piece thickness.
For achieving the above object, the sacculus forming method designed by the present invention, its step is as follows:
1) tubing for making sacculus is prepared;
2) being closed tubing one end, the other end is filled with gases at high pressure;
3) heating tubing entirety, tubing forms a bullet after heating in the deflated condition, and it comprises centre
Partly, near the tapering at two ends, the end at two ends, three parts;Then with the two ends of tubing as impetus, carry out drawing for the first time
Stretch, make the mid portion of bullet reach the thickness being pre-designed;
4) mid portion making stretching complete is cooled to room temperature, and the tapering and two at the close two ends of bullet of simultaneously heating
The end of end, then with the two ends of tubing as impetus, carries out second time and stretches, make the tapering of tubing reach the thickness being pre-designed
Degree;
5) tapering making stretching complete is cooled to room temperature, and the end at bullet two ends of simultaneously heating, then with tubing
Two ends are impetus, carry out third time and stretch, make the end of tubing reach the thickness being pre-designed, obtain ball after cooling and shaping
Capsule.
Such scheme, described step 3) in temperature that tubing entirety is heated be 120~220 DEG C.
Such scheme, described step 3) in stretching for the first time time, in tubing, gas pressure is 5~50atm.
Such scheme, described step 4) in the heat temperature of end at the tapering at close two ends of bullet and two ends be
150~250 DEG C.
Such scheme, described step 5) in the heat temperature of end at bullet two ends be 150~250 DEG C.
Such scheme, described step 3), 4), 5) in, draw speed during stretching is 1~20mm/s.
Beneficial effects of the present invention: matched with rational draw speed by Segmented heating, makes the inventive method institute
The sacculus thickness of preparation is homogeneous, and flexibility is good, it is easy to fold, and the ability being not only passed to lesion region blood vessel strengthens, and contracting
The little product size of whole sacculus, more conducively packed and transported.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of the sacculus prepared by sacculus forming method of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As it is shown in figure 1, the preparation-obtained sacculus of sacculus forming method is uniform to mid portion thickness from end, the method
Step is as follows:
1) tubing for making sacculus is prepared;
2) being inserted by tubing in sacculus mould, one end is closed, and the other end is filled with gases at high pressure;
3) heating sacculus mould entirety, gas pressure is set to 5~50atm, temperature is 120~220
DEG C, tubing forms a bullet after at high temperature softening and being affixed on sacculus mould inwall under gas high pressure effect, it
Comprise mid portion 1, the close tapering 2 at two ends, the end 3 at two ends, three parts;Described sacculus mould includes middle heating
Mould (not shown), tapering heating mould (not shown), end heat mould (not shown), these three mould is individually present, its
Interior shape is respectively cooperating with the mid portion 1 of bullet, near the tapering 2 at two ends, the end 3 at two ends;After temperature stabilization, right
Tubing carries out stretching for the first time, and the speed with 1~20mm/s stretches the two ends of tubing simultaneously, makes the mid portion 1 of tubing reach
The thickness being pre-designed, keeps 10~30s after having stretched;
4) make middle heating mould be cooled to room temperature, while centre heating mould cooling, tapering is heated mould and end
Portion's heating mould is warming up to 150~250 DEG C, after temperature stabilization, tubing carries out second time and stretches, with the speed of 1~20mm/s
Degree stretches the two ends of tubing simultaneously, makes the tapering 2 of tubing reach the thickness being pre-designed, and keeps 10~30s after having stretched;
5) making tapering heating mould be cooled to room temperature, during tapering heating mould cooling, (in like manner step 3, tapering keeps not
Become), end heat mould is warming up to 150~250 DEG C simultaneously, after temperature stabilization, tubing carries out third time and stretches, with 1~
The speed of 20mm/s stretches the two ends of tubing simultaneously, makes the end 3 of tubing reach the thickness being pre-designed, and keeps after having stretched
10~30s, end heat mould is cooled to room temperature, opens mould, obtains the sacculus that each several part thickness is homogeneous.
After testing, the sacculus thickness prepared by said method is homogeneous, and flexibility is good, it is easy to fold.
Claims (6)
1. a sacculus forming method, it is characterised in that step is as follows:
1) tubing for making sacculus is prepared;
2) being closed tubing one end, the other end is filled with gases at high pressure;
3) tubing entirety is heated, tubing heat in the deflated condition after formed a bullet, it comprise mid portion,
Near the tapering at two ends, the end at two ends, three parts;Then with the two ends of tubing as impetus, carry out stretching for the first time, make cone
The mid portion of body reaches the thickness being pre-designed;
4) mid portion making stretching complete is cooled to room temperature, and the tapering at the close two ends of bullet of simultaneously heating and two ends
End, then with the two ends of tubing as impetus, carries out second time and stretches, make the tapering of tubing reach the thickness being pre-designed;
5) tapering making stretching complete is cooled to room temperature, and the end at bullet two ends of simultaneously heating, then with the two ends of tubing
For impetus, carry out third time and stretch, make the end of tubing reach the thickness being pre-designed, after cooling and shaping, obtain sacculus.
Sacculus forming method the most according to claim 1, it is characterised in that: described step 3) in tubing entirety is added
The temperature of heat is 120~220 DEG C.
Sacculus forming method the most according to claim 1, it is characterised in that: described step 3) in for the first time stretching time, pipe
In material, gas pressure is 5~50atm.
Sacculus forming method the most according to claim 1, it is characterised in that: described step 4) in heat the close of bullet
The temperature of the tapering at two ends and the end at two ends is 150~250 DEG C.
Sacculus forming method the most according to claim 1, it is characterised in that: described step 5) in heat bullet two ends
The temperature of end is 150~250 DEG C.
6. according to the sacculus forming method described in any one of Claims 1 to 5, it is characterised in that: described step 3), 4), 5) in,
Draw speed during stretching is 1~20mm/s.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610629671.3A CN106042349B (en) | 2016-08-03 | 2016-08-03 | A kind of forming method of sacculus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610629671.3A CN106042349B (en) | 2016-08-03 | 2016-08-03 | A kind of forming method of sacculus |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106042349A true CN106042349A (en) | 2016-10-26 |
CN106042349B CN106042349B (en) | 2018-06-19 |
Family
ID=57196290
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610629671.3A Active CN106042349B (en) | 2016-08-03 | 2016-08-03 | A kind of forming method of sacculus |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106042349B (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107199691A (en) * | 2017-06-28 | 2017-09-26 | 山东吉威医疗制品有限公司 | A kind of balloon tube two ends pre-processing device |
CN109568773A (en) * | 2018-10-10 | 2019-04-05 | 杭州尤易信息科技有限公司 | A kind of sacculus and preparation method thereof |
CN115091734A (en) * | 2022-05-13 | 2022-09-23 | 广东省科学院生物与医学工程研究所 | Preparation method of waveform flow channel polymer capillary tube and waveform flow channel polymer capillary tube |
CN116637278A (en) * | 2023-05-23 | 2023-08-25 | 安徽通灵仿生科技有限公司 | Large-size balloon forming and shaping device and control method thereof |
CN116653263A (en) * | 2023-05-23 | 2023-08-29 | 安徽通灵仿生科技有限公司 | Preparation process of large-size balloon |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104114222A (en) * | 2012-03-28 | 2014-10-22 | 泰尔茂株式会社 | Balloon for catheter, and balloon catheter |
-
2016
- 2016-08-03 CN CN201610629671.3A patent/CN106042349B/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104114222A (en) * | 2012-03-28 | 2014-10-22 | 泰尔茂株式会社 | Balloon for catheter, and balloon catheter |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107199691A (en) * | 2017-06-28 | 2017-09-26 | 山东吉威医疗制品有限公司 | A kind of balloon tube two ends pre-processing device |
CN109568773A (en) * | 2018-10-10 | 2019-04-05 | 杭州尤易信息科技有限公司 | A kind of sacculus and preparation method thereof |
CN115091734A (en) * | 2022-05-13 | 2022-09-23 | 广东省科学院生物与医学工程研究所 | Preparation method of waveform flow channel polymer capillary tube and waveform flow channel polymer capillary tube |
CN115091734B (en) * | 2022-05-13 | 2024-05-10 | 广东省科学院生物与医学工程研究所 | Preparation method of polymer capillary with wave-shaped flow channels and polymer capillary with wave-shaped flow channels |
CN116637278A (en) * | 2023-05-23 | 2023-08-25 | 安徽通灵仿生科技有限公司 | Large-size balloon forming and shaping device and control method thereof |
CN116653263A (en) * | 2023-05-23 | 2023-08-29 | 安徽通灵仿生科技有限公司 | Preparation process of large-size balloon |
CN116637278B (en) * | 2023-05-23 | 2023-12-05 | 安徽通灵仿生科技有限公司 | Large-size balloon forming and shaping device and control method thereof |
CN116653263B (en) * | 2023-05-23 | 2024-03-12 | 安徽通灵仿生科技有限公司 | Preparation process of large-size balloon |
Also Published As
Publication number | Publication date |
---|---|
CN106042349B (en) | 2018-06-19 |
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