CN218748812U

CN218748812U - Heating and cooling device for medical balloon mold

Info

Publication number: CN218748812U
Application number: CN202222869221.5U
Authority: CN
Inventors: 余长春; 马智敏; 叶为伟
Original assignee: Suzhou Beiyong Medical Technology Co ltd
Current assignee: Suzhou Beiyong Medical Technology Co ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-03-28
Anticipated expiration: 2032-10-28

Abstract

The utility model discloses a medical sacculus mould heating and cooling device relates to the medical instrument field, and its technical scheme main points are: including shell and heating jacket, be provided with the cavity on the shell, there is sacculus mould heating chamber on the heating jacket, the heating jacket sets up in the cavity of shell, the both ends of heating jacket are provided with the end cap with the sealed butt of lateral wall of cavity respectively, the periphery wall of heating jacket, be formed with inclosed cooling chamber between the internal perisporium of shell and the end cap, be provided with a plurality of guiding gutters that communicate each other on the shell and with the water injection hole of guiding gutter intercommunication, be provided with on the shell converge the groove and with the return water hole that converges the groove intercommunication. The utility model discloses can carry out even quick cooling to the sacculus mould, have the advantage that the cooling effect is good to can reduce remaining of cooling water, ensure the fashioned stability of sacculus.

Description

Heating and cooling device for medical balloon mold

Technical Field

The utility model relates to the field of medical equipment, more specifically say, it relates to a medical sacculus mould heating and cooling device.

Background

As is known, a balloon catheter is one of the main instruments for human intervention, and not only can be used for expanding and shaping blood vessels, but also can be used for accurately shaping stents after the stents are placed, and simultaneously, the balloon catheter can also be used as a delivery platform of the stents, and has a large demand in intervention based on multiple functions of the balloon catheter, and the balloon is used as an important component in the balloon catheter, so that the balloon catheter also has a large market demand.

The existing saccule needs to be heated and formed and then cooled when being formed. The common cooling modes of water cooling and air cooling are water cooling and air cooling, and the water cooling is generally used at present because the air cooling time is longer. The heating and cooling jacket is commonly used in the existing balloon forming and heating and cooling device, the outer part of the heating and cooling jacket is provided with a shell, a cooling water gap for cooling water to pass through is formed between the heating and cooling jacket and the shell, a plurality of electric heating rods are installed in a sandwich layer of the heating and cooling jacket, during balloon forming and processing, a mold is installed at the core part of the heating and cooling jacket, the electric heating rods work and then transfer heat from the heating and cooling jacket to the mold in a heat conduction mode, an internal pipe is heated through the mold, after the pipe is softened, the pipe is blown under the combined action of internal high-pressure nitrogen blowing and stretching of two end chucks, and the pipe is blown and tightly attached to the inner wall of the mold to form a balloon. And then, carrying out heat preservation, pressure maintaining and shaping, and then cooling water flows through the other end from one end of the cooling water gap to cool the mold so as to finish the forming processing of the balloon.

Although the heating and cooling device realizes heating and cooling in the balloon forming process, when cooling, cooling water enters the cooling gap and cannot uniformly flow through the whole outer surface of the mold, particularly, the longer the length of the mold is, the smaller the covering surface of the cooling water is, so that uneven cooling is easily caused, the cooling effect is not good, the forming quality of the balloon is difficult to guarantee, and the problem of cooling water residue is also caused.

In order to solve the problems, the balloon forming device disclosed in chinese patent with publication No. CN112793172A has the technical scheme that: comprising a capsule and a projection, comprising: the water jacket is a hollow cavity with openings at two ends; the clamping assembly can be inserted into the end part of the water jacket and is used for clamping two ends of the bag body; the mould is of a hollow cylindrical structure with openings at two ends, the inner surface of the mould is provided with a groove for accommodating the protruding piece, the mould is detachably arranged in the water jacket, and the end surface of the mould is abutted against the clamping component; the air supply is connected with the utricule for blowing up the utricule and with utricule and protruding piece fixed as an organic whole, water jacket be both ends open-ended cavity, water jacket can be for dismantling the two part structure of connection, these two part structure pass through modes such as buckle connection, unsmooth cooperation, threaded connection fixed be located an organic whole and form inside cavity, both ends open-ended water jacket, the inside space of water jacket is used for setting up the mould. When the balloon forming machine is specifically arranged, a heating spiral sleeve and a cooling spiral sleeve are arranged in the water jacket along the axial direction of the water jacket and are used for providing necessary heating and cooling functions in the balloon forming process.

Above-mentioned sacculus forming device passes through cooling spiral sleeve's setting, though can realize the even cooling to the mould, its heating spiral pipe and cooling spiral pipe set up in turn, and when cooling down, the waste heat of heating spiral pipe can transmit for the cooling spiral pipe with faster speed like this to reduced the cooling efficiency of cooling spiral pipe, and the area of contact of cooling spiral pipe and mould is limited, can not reach the best cooling effect.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a medical sacculus mould heating and cooling device can carry out even quick cooling to the sacculus mould, has the advantage that the cooling effect is good to can reduce remaining of cooling water, ensure the fashioned stability of sacculus.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a medical sacculus mould heating cooling device, includes shell and heating jacket, it is provided with the cavity to run through on the shell, it is provided with sacculus mould heating chamber to run through along its axis direction on the heating jacket, be provided with the heating element who is used for heating sacculus mould heating chamber on the heating jacket, the heating jacket sets up in the cavity of shell, the both ends of heating jacket are provided with the end cap with the sealed butt of lateral wall of cavity respectively, the both ends of shell are provided with respectively and are used for the annular end cover fixed with end cap and shell, be formed with inclosed cooling chamber between the internal perisporium of heating jacket, the internal perisporium and the end cap, the interior top that lies in the cavity on the shell is provided with the guiding gutter of a plurality of mutual intercommunications, and is a plurality of the guiding gutter sets up along the axis direction array of cavity, be provided with the water injection hole that communicates with the guiding gutter on the shell, the interior bottom that lies in the cavity on the shell is provided with the collecting gutter, be provided with the return water hole that communicates on the shell.

In one embodiment, the heating jacket comprises an inner wall, an outer wall and two annular connecting pieces, wherein the two annular connecting pieces are respectively arranged between the inner wall and the outer wall at two ends of the heating jacket, the relative positions of the two annular connecting pieces are communicated and provided with a plurality of mounting grooves, the mounting grooves are arranged along the circumferential annular array of the annular connecting pieces, the heating elements are arranged in the mounting grooves, and each mounting groove is internally provided with the heating elements.

In one of them embodiment, the end cap includes the ring cover and fixes the annular lid at the ring cover tip, the annular is covered and is provided with a plurality of logical grooves, lead to groove and mounting groove one-to-one on shape, quantity and position, the both ends of shell are provided with the cylindrical groove respectively, the diameter in cylindrical groove is greater than the diameter of cavity, just the cylindrical groove and the coaxial setting of cavity, the periphery wall of ring cover closely cooperates with the inside wall in cylindrical groove, the internal perisporium of ring cover closely cooperates with the periphery wall of heating jacket, be provided with the sealing washer between the tip of heating jacket and the ring cover.

In one embodiment, the depth of the confluence groove increases from two ends of the hollow cavity to the water return hole.

In one embodiment, the water injection holes are arranged in two numbers, and the two water injection holes are respectively arranged on the opposite corners of the top of the shell.

To sum up, the utility model discloses following beneficial effect has: the utility model discloses a setting of a plurality of guiding gutter, evenly distributed to every guiding gutter after the cooling water gets into, and spray on the heating jacket by the guiding gutter, the cooling water flows through the periphery wall of whole heating jacket, fall into the groove of converging after taking away the heat of sacculus mould heating intracavity, the cooling water of the inslot of converging outwards discharges through the return water hole, thereby can carry out even quick cooling to the sacculus mould, have the advantage that the cooling effect is good, and can reduce remaining of cooling water, the fashioned stability of sacculus has been ensured.

Drawings

Fig. 1 is a schematic structural view of a medical balloon mold heating and cooling device according to an embodiment of the present application;

fig. 2 is an exploded view of a medical balloon mold heating and cooling device according to an embodiment of the present application;

fig. 3 is a schematic structural diagram of a plug in a heating and cooling device for a medical balloon mold according to an embodiment of the present application;

fig. 4 is a cross-sectional view of a medical balloon mold heating and cooling device of an embodiment of the present application;

fig. 5 is an internal structural schematic view of a medical balloon mold heating and cooling device according to an embodiment of the present application.

In the figure: 1. a housing; 11. a water injection hole; 12. a water return hole; 13. a hollow cavity; 14. a diversion trench; 15. a confluence groove; 2. an annular end cap; 3. heating a jacket; 31. a balloon mold heating cavity; 32. mounting grooves; 4. a plug; 41. an annular sleeve; 42. an annular cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 5, an embodiment of the present application provides a heating and cooling device for a medical balloon mold, which includes a housing 1 and a heating jacket 3. Run through on the shell 1 and be provided with cavity 13, it is provided with sacculus mould heating chamber 31 to run through along its axis direction on the heating jacket 3, be provided with on the heating jacket 3 and be used for carrying out the heating element that heats sacculus mould heating chamber 31, heating element is the electrical heating stick, heating jacket 3 sets up in the cavity 13 of shell 1, the both ends of heating jacket 3 are provided with respectively with the end cap 4 of the sealed butt of lateral wall of cavity 13, the both ends of shell 1 are provided with respectively and are used for end cap 4 and the fixed annular end cover 2 of shell 1. And a closed cooling cavity is formed among the peripheral wall of the heating sleeve 3, the inner peripheral wall of the shell 1 and the plug 4. The top that lies in cavity 13 on the shell 1 is provided with a plurality of guiding gutters 14 that communicate each other, and is a plurality of guiding gutter 14 sets up along the axis direction array of cavity 13, be provided with the water injection hole 11 with guiding gutter 14 intercommunication on the shell 1. The interior bottom that lies in cavity 13 on the shell 1 is provided with converges groove 15, be provided with the return water hole 12 with converge groove 15 intercommunication on the shell 1.

It should be noted that the number of the flow guide grooves 14 may be set reasonably according to the length of the balloon to be molded, the housing 1 is integrally molded by a numerical control center, the surface of the housing has inevitable fabrication hole grooves, and the fabrication hole grooves need to be sealed by a sealing head during specific implementation.

Before the work, be connected cooling water pipe and water injection hole 11, be connected back flow and return water hole 12, in the during operation, put into sacculus mould heating chamber 31 with sacculus forming die, heating element heats it so that it can reach the fashioned technology temperature requirement of sacculus, when needs cooling, pour into the cooling water into, the cooling water evenly distributed is to every guiding gutter 14 after getting into, and spray on heating jacket 3 by guiding gutter 14, the cooling water trickles along the periphery wall of heating jacket 3, fall into after taking away the heat in the sacculus mould heating chamber 31 and converge groove 15, the cooling water in the groove 15 that converges outwards discharges through return water hole 12.

Above-mentioned cooling device can carry out even quick cooling to the sacculus mould to can reduce the residue of cooling water, ensure the fashioned stability of sacculus.

In this implementation, heating jacket 3 includes inner wall, outer wall and annular connecting piece, annular connecting piece sets up to two, two annular connecting piece sets up respectively between the inner wall and the outer wall at heating jacket 3 both ends, two annular connecting piece's relative position intercommunication is provided with mounting groove 32, mounting groove 32 is provided with a plurality ofly, and is a plurality of annular connecting piece's circumference annular array setting is followed to mounting groove 32, heating element sets up in mounting groove 32 to all be provided with in every mounting groove 32 heating element.

In particular, a relatively closed environment is formed between the inner wall and the outer wall.

The inner wall is heated more uniformly due to the arrangement of the structure, so that the thermal forming effect of the balloon is better.

In this embodiment, end cap 4 includes annular cover 41 and fixes the annular lid 42 at the annular cover 41 tip, be provided with a plurality of logical grooves on the annular lid 42, lead to groove and mounting groove 32 one-to-one on shape, quantity and position, the both ends of shell 1 are provided with the cylindrical groove respectively, the diameter in cylindrical groove is greater than the diameter of cavity 13, just the cylindrical groove and the coaxial setting of cavity 13, the periphery wall of annular cover 41 closely cooperates with the inside wall in cylindrical groove, the internal perisporium of annular cover 41 closely cooperates with the periphery wall of heating jacket 3, be provided with the sealing washer between the tip of heating jacket 3 and the annular lid 42.

Specifically, the annular sleeve 41 and the annular cover 42 are of an integral molding structure, and the annular end cover 2 is connected with the housing 1 through a bolt and then abuts against the annular cover 42, so that the plug 4 abuts against the cylindrical groove.

The above structure enhances the sealing performance between the end of the heating jacket 3 and the annular cover 42 by providing the sealing ring therebetween.

In this embodiment, the depth of the confluence groove 15 increases from the two ends of the hollow cavity 13 to the water return hole 12. Therefore, cooling water can be gathered at the water return hole 12, which is beneficial to complete discharge of the cooling water, and the cooling water is not easy to remain in the hollow cavity 13.

In this embodiment, the number of the water injection holes 11 is two, and the two water injection holes 11 are respectively arranged on opposite corners of the top of the casing 1.

Specifically, during operation, two water injection holes 11 are respectively connected to a cooling water pipe, and two flows of cooling water flow in opposite directions to fill each diversion trench 14.

The above-described arrangement increases the flow rate of the cooling water and is performed in a convection manner, so that the cooling water can uniformly and stably flow into each of the guide grooves 14.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that modifications and embellishments within the scope of the present disclosure may be made by those skilled in the art without departing from the principles of the present disclosure.

Claims

1. The utility model provides a medical sacculus mould heating cooling device, includes shell (1) and heating jacket (3), its characterized in that: a hollow cavity (13) is arranged on the shell (1) in a penetrating way, a balloon mold heating cavity (31) is arranged on the heating sleeve (3) in a penetrating way along the axis direction, the heating sleeve (3) is provided with a heating element for heating the balloon mold heating cavity (31), the heating jacket (3) is arranged in the hollow cavity (13) of the shell (1), two ends of the heating sleeve (3) are respectively provided with a plug (4) which is in sealing butt joint with the side wall of the hollow cavity (13), two ends of the shell (1) are respectively provided with an annular end cover (2) used for fixing the plug (4) and the shell (1), a closed cooling cavity is formed among the outer peripheral wall of the heating sleeve (3), the inner peripheral wall of the shell (1) and the plug (4), a plurality of mutually communicated diversion trenches (14) are arranged at the inner top of the hollow cavity (13) on the shell (1), the diversion trenches (14) are arranged in an array manner along the axial direction of the hollow cavity (13), the shell (1) is provided with a water injection hole (11) communicated with the diversion trench (14), a confluence groove (15) is arranged at the inner bottom of the hollow cavity (13) on the shell (1), and a water return hole (12) communicated with the confluence groove (15) is formed in the shell (1).

2. The medical balloon mold heating and cooling device according to claim 1, wherein: heating jacket (3) are including inner wall, outer wall and annular connecting piece, annular connecting piece sets up to two, two annular connecting piece sets up respectively between the inner wall and the outer wall at heating jacket (3) both ends, two annular connecting piece's relative position intercommunication is provided with mounting groove (32), mounting groove (32) are provided with a plurality ofly, and are a plurality of annular connecting piece's circumference annular array setting is followed to mounting groove (32), heating element sets up in mounting groove (32) to all be provided with in every mounting groove (32) heating element.

3. The medical balloon mold heating and cooling device according to claim 2, wherein: end cap (4) include annular cover (41) and fix annular cover (42) at annular cover (41) tip, be provided with a plurality of logical grooves on annular cover (42), lead to groove and mounting groove (32) one-to-one on shape, quantity and position, the both ends of shell (1) are provided with the columnar order groove respectively, the diameter in columnar order groove is greater than the diameter of cavity (13), just columnar order groove and the coaxial setting of cavity (13), the periphery wall of annular cover (41) closely cooperates with the inside wall in columnar order groove, the internal perisporium of annular cover (41) closely cooperates with the periphery wall of heating jacket (3), be provided with the sealing washer between the tip of heating jacket (3) and annular cover (42).

4. The medical balloon mold heating and cooling device according to claim 1, wherein: the depth of the confluence groove (15) is gradually increased from two ends of the hollow cavity (13) to the water return hole (12).

5. The medical balloon mold heating and cooling device according to claim 1, wherein: the water injection holes (11) are arranged in two, and the two water injection holes (11) are respectively arranged on the opposite angles of the top of the shell (1).