CN222697684U - Corrugated artificial blood vessel shaping device - Google Patents
Corrugated artificial blood vessel shaping device Download PDFInfo
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- CN222697684U CN222697684U CN202420270901.1U CN202420270901U CN222697684U CN 222697684 U CN222697684 U CN 222697684U CN 202420270901 U CN202420270901 U CN 202420270901U CN 222697684 U CN222697684 U CN 222697684U
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Abstract
本实用新型属于人造血管加工设备技术领域，具体涉及一种波纹型人造血管定型装置，其包括：至少一端开口的管状的外模，所述外模的内壁设置有波纹管形的凹槽；模芯，所述气囊模芯伸入到所述外模中，所述气囊模芯膨胀形成圆柱形结构，所述气囊模芯的囊壁压向所述外模的内壁。本实用新型采用可以膨胀的气囊模芯作为内模，充气后与外模配合，对人造血管材料进行挤压，得到波纹型人造血管。
The utility model belongs to the technical field of artificial blood vessel processing equipment, and specifically relates to a corrugated artificial blood vessel shaping device, which comprises: a tubular outer mold with at least one end open, the inner wall of the outer mold is provided with a corrugated tube-shaped groove; a mold core, the airbag mold core extends into the outer mold, the airbag mold core expands to form a cylindrical structure, and the balloon wall of the airbag mold core presses against the inner wall of the outer mold. The utility model adopts an expandable airbag mold core as an inner mold, which cooperates with the outer mold after inflation to extrude the artificial blood vessel material to obtain a corrugated artificial blood vessel.
Description
Technical Field
The utility model belongs to the technical field of artificial blood vessel processing equipment, and particularly relates to a corrugated artificial blood vessel shaping device.
Background
At present, the main reason that domestic artificial blood vessels are difficult to popularize is that the blood permeation of the product is caused, and the product is easy to bleed after being used for a period of time. In order to improve the indexes of artificial blood vessel flexibility, difficult bleeding after operation and the like, a uniform ripple structure needs to be formed on the surface of the vascular fabric. However, in the prior art, there is a lack of such a shaping device for the corrugated artificial blood vessel, so that it is necessary to develop a new technique to meet the production requirements of the corrugated artificial blood vessel.
Disclosure of utility model
In order to solve the defects in the prior art, the utility model provides a corrugated artificial blood vessel shaping device. The corrugated artificial blood vessel shaping device provided by the utility model can be used for shaping the artificial blood vessel to form a uniform corrugated structure, so that the corrugated artificial blood vessel is obtained.
The technical scheme provided by the utility model is as follows:
a corrugated vascular prosthesis sizing device, comprising:
at least one tubular outer mold with one open end, wherein the inner wall of the outer mold is provided with a corrugated groove;
And the air bag mold core stretches into the outer mold, the air bag mold core expands to form a cylindrical structure, and the bag wall of the air bag mold core presses against the inner wall of the outer mold.
Based on the technical scheme, the adopted air bag mold core can be inflated and then used as an inner mold to be matched with an outer mold, and the artificial blood vessel material between the inner mold and the outer mold can be extruded, so that the corrugated artificial blood vessel is formed.
Further, the air bag mold core is communicated with the pressurizing device at one end.
Based on the technical scheme, the air bag mold core can be conveniently inflated and pressurized, so that the air bag mold core is inflated in place.
Specifically, the air source port of the pressurizing device is communicated with the air heater, or the pressurizing device is a hot air blower.
Based on the technical scheme, the air bag mold core can be inflated and pressurized by using hot air and heated in the pressurizing process, so that the artificial blood vessel material is heated and molded, and the shaping step of the artificial blood vessel is simplified.
Specifically, the structure of the two ends opening of the outer mold, the length of the air bag mold core is at least greater than that of one section of the outer mold.
Based on the technical scheme, the same air bag mold core can be shared for a plurality of serially connected outer molds, so that the production efficiency is improved.
Specifically, the outer mold is formed by encircling two semicircular tubular half molds. The corrugated artificial blood vessel shaping device further comprises an outer die supporting structure, wherein the outer die supporting structure comprises pushing plates capable of being extruded relatively, each pushing plate is provided with a semicircular pushing plate corresponding to the half die, and the semicircular pushing plates are used for holding the outer die from two sides.
Specifically, the corrugated artificial blood vessel shaping device is arranged in the heating device.
Based on the technical scheme, the artificial blood vessel can be heated and shaped after being molded.
Specifically, the surface of the balloon wall of the inflated balloon mold core and the surface of the inner wall of the outer mold form a uniform corrugated-tube-shaped gap, and the thickness of the corrugated-tube-shaped gap is smaller than or equal to the wall thickness of the corrugated artificial blood vessel.
Based on the above technical scheme, the corrugated artificial blood vessel can be formed in the gap.
Specifically, the inner diameter of the corrugated pipe-shaped gap is 6-34mm.
Specifically, the gap between the peaks of the outer wall corrugated structure of the corrugated pipe-shaped gap is 3-5mm, preferably 4mm.
Specifically, the length of the air sac mold core is longer than that of the corrugated artificial blood vessel, and the length of the corrugated artificial blood vessel is 15-60cm.
Based on the utility model, the corrugated artificial blood vessel with large caliber can be formed, the production requirement of the corrugated artificial blood vessel with large caliber can be met, and the production requirement of the corrugated artificial blood vessel with long size can also be met.
The utility model has the beneficial effects that:
1) The corrugated artificial blood vessel shaping device provided by the utility model can be used for producing the corrugated artificial blood vessel, and the shaping method is simple and practical;
2) The corrugated artificial blood vessel shaping device provided by the utility model can be used for producing corrugated artificial blood vessels with various calibers, including large-size corrugated artificial blood vessels, and can be used for producing corrugated artificial blood vessels with various length sizes.
Drawings
Fig. 1 is a schematic view of the overall structure of a corrugated artificial blood vessel shaping device provided by the utility model.
Fig. 2 is a schematic structural view of a balloon core portion of a corrugated vascular sizing device provided by the present utility model.
Fig. 3 is a front view of a corrugated vascular prosthesis set provided by the present utility model.
In fig. 1, 2 and 3, the following structures are listed by the reference numerals:
1. The mold comprises an outer mold, 101, a half mold, 2, an air bag mold core, 3, a pressurizing device and 4, a corrugated pipe-shaped gap.
Detailed Description
The principles and features of the present utility model are described below with examples only to illustrate the present utility model and not to limit the scope of the present utility model.
It is noted that when an element or component is referred to as being "connected," "positioned," "assembled" to another element or component, it can be directly on the other element or component or intervening elements and components may also be present. The terms "left", "right", "upper", "lower" and the like are used herein for illustrative purposes only.
In one embodiment, as shown in fig. 1 and 2, the corrugated artificial blood vessel shaping device comprises a tubular outer die 1 with at least one end open, wherein a corrugated pipe-shaped groove is formed in the inner wall of the outer die 1, and an air bag die core 2, the air bag die core 2 stretches into the outer die 1, the air bag die core 2 expands to form a cylindrical structure, and the bag wall of the air bag die core 2 presses against the inner wall of the outer die 1. The technical scheme adopts an inflatable air bag mold core as an inner mold, and the inflatable air bag mold core is matched with the outer mold after being inflated to extrude the artificial blood vessel material so as to form the corrugated artificial blood vessel.
Example 1
On the basis of the above-described embodiment, as shown in fig. 1 and 2, the balloon wall surface of the inflated balloon mold core 2 and the inner wall surface of the outer mold 1 form a uniform bellows-shaped gap 4, and the thickness of the bellows-shaped gap 4 is smaller than or equal to the wall thickness of the bellows-shaped artificial blood vessel. Based on this solution, a corrugated artificial blood vessel can be formed in the gap.
Example 2
In addition to the above embodiment, as shown in fig. 2, the air bag mold core 2 is connected at one end to a normal temperature pressurizing device 3. The corrugated artificial blood vessel shaping device is arranged in the heating device to meet the shaping work after the corrugated artificial blood vessel is shaped.
Example 3
On the basis of the above embodiment, as shown in fig. 2, the air source port of the pressurizing device 3 is communicated with the air heater. In another embodiment, the pressurizing means 3 is a hot air blower. Based on the technical scheme, the artificial blood vessel material can be heated and molded while the air bag mold core is inflated and pressurized by using hot air.
Example 4
On the basis of the above embodiments, the two ends of the outer mold 1 are open, and the length of the air bag mold core 2 is longer than that of the multi-section outer mold 1.
Example 5
On the basis of the above embodiments, as shown in fig. 3, the outer mold 1 is formed by surrounding two half-mold halves 101 in the shape of half-tubes. The corrugated artificial blood vessel shaping device further comprises an outer mold supporting structure, wherein the outer mold supporting structure comprises pushing plates which can be extruded relatively, each pushing plate is provided with a semicircular arc pushing plate corresponding to the half mold 101, and the semicircular arc pushing plates are used for holding the outer mold 1 from two sides. Based on this structure, the operation of putting into the centre form and artificial vascular material is convenient.
When the corrugated artificial blood vessel shaping device provided by the utility model is used for shaping the corrugated artificial blood vessel, firstly, the artificial blood vessel material is sleeved on the uninflated air sac mold core, then the artificial blood vessel material is integrally moved between two mold halves which are separated from each other, then a push plate is started, and the two mold halves are mutually close to each other to form an outer mold. Then the pressurizing device is started to expand the air sac mold core to extrude the artificial blood vessel, so that the corrugated artificial blood vessel is formed between the inner wall of the corrugated groove of the outer mold and the outer wall surface of the air sac mold core. For the pressurizing device of the normal temperature air source, a heating box can be started after molding, and the molding is completed after taking out the molding after 5-30min at about 180 ℃. For the high-temperature gas source, the artificial blood vessel material can be heated and shaped in the molding process to obtain the corrugated artificial blood vessel.
The corrugated artificial blood vessel shaping device provided by the utility model is used for shaping corrugated artificial blood vessels, and the inner diameter of the obtained corrugated artificial blood vessel can be 6-34mm, including large-caliber corrugated artificial blood vessels which are difficult to produce. The length of the obtained corrugated artificial blood vessel can be 15-60cm, and the covering size is wide. The obtained corrugated artificial blood vessel has a gap of 3-5mm between the wave crests, and meets various requirements. The thickness of the obtained corrugated artificial blood vessel is flexible and can be adjusted according to specific needs.
The above is only a preferred embodiment of the present utility model, and the present utility model is not limited in any way, and those skilled in the art can easily implement the present utility model as shown in the drawings and described above, but many modifications, adaptations and variations of the present utility model can be made by those skilled in the art without departing from the scope of the present utility model, and at the same time, any equivalent changes, adaptations and variations of the above embodiments according to the essential technology of the present utility model are within the scope of the technical scheme of the present utility model.
Claims (10)
1. A corrugated vascular prosthesis sizing device, comprising:
a tubular outer die (1) with at least one end open, wherein the inner wall of the outer die (1) is provided with a corrugated pipe-shaped groove;
And the air bag mold core (2) stretches into the outer mold (1), the air bag mold core (2) expands to form a cylindrical structure, and the bag wall of the air bag mold core (2) presses against the inner wall of the outer mold (1).
2. The corrugated artificial blood vessel shaping device according to claim 1, wherein the balloon mold core (2) is communicated with the pressurizing device (3) at one end.
3. The corrugated artificial blood vessel shaping device according to claim 2, wherein the air source port of the pressurizing device (3) is communicated with an air heater, or the pressurizing device (3) is an air heater.
4. The corrugated vascular prosthesis sizing device of claim 1, wherein:
Two ends of the outer die (1) are opened;
The length of the air bag mold core (2) is at least longer than that of one section of the outer mold (1).
5. The corrugated artificial blood vessel shaping device according to claim 1, wherein the outer mold (1) is formed by surrounding two semicircular tubular half molds (101).
6. The corrugated vascular sizing device of claim 5, wherein:
The corrugated artificial blood vessel shaping device further comprises an outer die supporting structure, wherein the outer die supporting structure comprises pushing plates capable of being extruded relatively, each pushing plate is provided with a semicircular arc pushing plate corresponding to the half die (101) and used for holding the outer die (1) tightly from two sides.
7. The corrugated vascular sizing device of claim 6, wherein: the corrugated artificial blood vessel shaping device is arranged in the heating device.
8. The corrugated artificial blood vessel shaping device according to any one of claims 1 to 7, wherein the balloon wall surface of the inflated balloon mold core (2) and the inner wall surface of the outer mold (1) form a uniform corrugated-tube-shaped gap (4), and the thickness of the corrugated-tube-shaped gap (4) is smaller than or equal to the wall thickness of the corrugated artificial blood vessel.
9. The corrugated vascular sizing device of claim 8, wherein:
the inner diameter of the corrugated pipe-shaped gap (4) is 6-34mm;
the gap between the wave crests of the outer wall corrugated structure of the corrugated pipe-shaped gap (4) is 3-5mm.
10. The corrugated artificial blood vessel shaping device according to claim 8, wherein the length of the balloon mold core (2) is larger than that of the corrugated artificial blood vessel, and the length of the corrugated artificial blood vessel is 15-60cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420270901.1U CN222697684U (en) | 2024-02-04 | 2024-02-04 | Corrugated artificial blood vessel shaping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420270901.1U CN222697684U (en) | 2024-02-04 | 2024-02-04 | Corrugated artificial blood vessel shaping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222697684U true CN222697684U (en) | 2025-04-01 |
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| CN202420270901.1U Active CN222697684U (en) | 2024-02-04 | 2024-02-04 | Corrugated artificial blood vessel shaping device |
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| CN (1) | CN222697684U (en) |
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- 2024-02-04 CN CN202420270901.1U patent/CN222697684U/en active Active
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