Intravascular stent heat treatment device with multiple heat insulation layers

Abstract

The utility model discloses an intravascular stent heat treatment device with multiple heat insulation layers, which relates to the technical field of intravascular stent heat treatment, and comprises a treatment box, the inside of the treatment box is fixedly connected with a division frame, the division frame divides the inside of the treatment box into a plurality of treatment cavities, and a heating mechanism for heating a stent is arranged in each treatment cavity. Through holes communicating with the treatment cavities are formed in the top of the treatment box, a cover plate is arranged over each through hole, the interior of the treatment box is divided into a plurality of treatment cavities through the arranged dividing frame, and a heating mechanism is arranged in each treatment cavity, so that a plurality of supports are subjected to separated heat treatment, mutual collision between the supports is prevented, and the heat treatment efficiency is improved. One end of the support is arranged on the fixing base in a sleeving mode, the multiple sliding rods are driven by the driving mechanism to extend outwards, the inner wall of the support is extruded through the multiple extrusion plates, rapid installation of the support is completed, and the heat treatment efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat treatment of blood vessel stents, in particular to a heat treatment device for blood vessel stents with multiple heat insulation layers. Background Art

[0002] Vascular stents It refers to the placement of a stent in the diseased segment based on the balloon dilatation of the lumen to support the stenotic and occluded segment of the blood vessel, reduce the elastic retraction and reshaping of the blood vessel, and maintain smooth blood flow in the lumen. Some stents also have the function of preventing restenosis. Some vascular stents need to be heat treated to ensure

[0003] If the stent is not heat-treated and shaped, it will not be able to maintain its expanded state in the blood vessel during actual use and will not be able to support the blood vessel.

[0004] Chinese patent publication number CN116240351A discloses a vascular stent heat treatment device, including a base, a heating assembly, a transmission assembly and a clamping assembly. The heating assembly is arranged on the base, and the heating assembly is provided with a heating chamber and an inlet and outlet connected to the heating chamber; the transmission assembly is installed on the base and is spaced apart from the heating assembly; the clamping assembly includes a fixed tube and two clamping members, the fixed tube is arranged at the output end of the transmission assembly, and the transmission assembly drives the fixed tube to pass through the inlet and outlet so that the fixed tube extends into or exits the heating chamber. The fixed tube is provided with a notch connected to the inside of the tube in the circumference, and the two clamping members are spaced apart inside the fixed tube for fixing the vascular stent.

[0005] However, the inventor of the above device believes that there are certain defects. The above device uses two clamping mechanisms to clamp and fix the stent, which is complicated to operate and can only perform heat treatment on a single vascular stent, with low treatment efficiency. For this reason, the present utility model provides a vascular stent heat treatment device with multiple insulation layers. Utility Model Content

[0006] The purpose of the utility model is to provide a heat treatment device for a vascular stent with multiple heat insulation layers to solve the problems raised in the prior art.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-insulation layer vascular stent heat treatment device, comprising a treatment box, the interior of the treatment box is fixedly connected to a partition frame, the partition frame divides the interior of the treatment box into multiple treatment chambers, each of the treatment chambers is provided with a heating mechanism for heating the stent, the top of the treatment box is provided with a through hole connected to the treatment chamber, each of the through holes is provided with a cover plate directly above, the bottom of the cover plate is fixedly connected to a fixing seat, the inner wall of the fixing seat is fixedly connected to a plurality of sleeves, the interior of each sleeve is slidably connected to a sliding rod, one end of each sliding rod is fixedly connected to an extrusion plate, and the interior of the fixing seat is provided with a driving mechanism for driving the multiple sliding rods to slide outward together.

[0008] Preferably, the driving mechanism includes a first screw rotatably connected to the inside of the fixed seat, a lifting block is threadedly connected to the first screw, a push rod is hinged to the lifting block through a pin, and the other end of the push rod is hinged to one end of the sliding rod through a pin. By driving the first screw to rotate, the lifting block moves downward, and the sliding rod is squeezed by the push rod to push multiple sliding rods to slide outward together.

[0009] Preferably, the sliding rod is provided with a pin at one end fixedly connected to a fixed baffle, and a spring is sleeved on the sliding rod, which quickly drives the sliding rod to slide toward the inside of the fixed seat under the action of the spring rebound.

[0010] Preferably, the plurality of extrusion plates are distributed around the fixing seat in a circular array, and the fixing seat is provided with grooves for receiving the extrusion plates, so that the extrusion plates can be easily received by the grooves.

[0011] Preferably, the heating mechanism comprises a fixed cylinder fixed inside the processing chamber, and an electric heating wire is fixedly connected to the inside of the fixed cylinder, so that the bracket falling into the fixed cylinder is heated by the electric heating wire.

[0012] Preferably, a controller is fixedly connected to the outer surface of the processing box, and the controller is electrically connected to the electric heating wire. An insulation layer is fixedly connected to the inner wall of the processing box, so that the electric heating wire can be easily operated and controlled under the action of the controller.

[0013] Preferably, the top of the processing box is fixedly connected to a mounting seat, a slide groove is provided on the mounting seat, the top of the cover plate is fixedly connected to a mounting plate, the top of the mounting plate is connected to a connecting rod, one end of the connecting rod is fixedly connected to a connecting frame, one end of the connecting frame is slidably connected to the inside of the slide groove, and the cover plate is easily removed from the inside of the through hole under the action of the mounting plate, the connecting rod and the connecting frame.

[0014] Preferably, a second screw is rotatably connected inside the chute, and one end of the connecting frame is threadedly connected to the second screw, and the connecting frame is controlled to rise or fall inside the chute by rotating the second screw.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. The present application divides the interior of the processing box into multiple processing chambers by setting up a dividing rack, and each processing chamber is provided with a heating mechanism to perform separate heat treatments on multiple brackets to prevent the brackets from colliding with each other. By putting one end of the bracket on the fixed seat, the driving mechanism drives multiple sliding rods to extend outward, and the inner wall of the bracket is squeezed by multiple extrusion plates to complete the rapid installation of the bracket, thereby improving the heat treatment efficiency.

[0017] 2. This application uses multiple mounting plates to shield multiple through holes, so that one bracket does not affect the heat treatment operation of other brackets when it is taken or placed, and the insulation layer improves the insulation effect inside the processing box.

[0018] 3. The present application controls the connection frame to be raised and lowered on the outer surface of the mounting seat by rotating the second screw, and controls the cover plate to be raised and lowered directly above the through hole under the connection between the mounting plate and the connecting rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a three-dimensional diagram of the heat treatment device for a vascular stent with multiple insulation layers according to the present invention;

[0020] Figure 2 This is a three-dimensional view of the interior of a treatment box of a vascular stent heat treatment device with multiple insulation layers according to the present invention;

[0021] Figure 3 The utility model is a multi-insulation layer vascular stent heat treatment device Figure 1 A magnified schematic diagram;

[0022] Figure 4 This is a three-dimensional view of the interior of the fixing seat of the multi-insulation layer vascular stent heat treatment device of the utility model.

[0023] Numbers in the figure: 1. Processing box; 3. Mounting plate; 31. Connecting rod; 32. Connecting frame; 4. Cover plate; 5. Fixed seat; 6. Sleeve; 7. Sliding rod; 71. Extrusion plate; 72. Fixed baffle; 73. Spring; 8. First screw; 81. Lifting block; 82. Push rod; 9. Fixed cylinder; 91. Electric heating wire; 10. Controller; 11. Through hole; 12. Insulation layer; 13. Splitting frame; 14. Mounting seat; 15. Second screw. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] like Figure 1 - Figure 4 As shown, the utility model provides a technical solution for a heat treatment device for a vascular stent with multiple insulation layers.

[0026] See also Figure 1 、 Figure 2 、 Figure 3 and Figure 4 A multi-insulation layer vascular stent heat treatment device includes a treatment box 1, the interior of the treatment box 1 is fixedly connected to a dividing frame 13, the dividing frame 13 divides the interior of the treatment box 1 into multiple treatment chambers, each treatment chamber is provided with a heating mechanism for heating the stent, the heating mechanism includes a fixed cylinder 9 fixed inside the treatment chamber, the interior of the fixed cylinder 9 is fixedly connected to an electric heating wire 91, the electric heating wire 91 is spiral, the stent is placed in the fixed cylinder 9 inside the treatment chamber, the stent is heat-treated by the electric heating wire 91, and multiple treatment chambers are used to separately treat multiple stents.

[0027] Please refer again Figure 1 and Figure 2 A controller 10 is fixedly connected to the outer surface of the processing box 1, and the controller 10 is electrically connected to the electric heating wire 91. An insulation layer 12 is fixedly connected to the inner wall of the processing box 1. The controller 10 facilitates the operation and control of the electric heating wire 91, and the insulation layer 12 improves the insulation effect inside the processing box 1.

[0028] Please refer again Figure 1 、 Figure 2 and Figure 3The top of the processing box 1 is provided with a through hole 11 connected to the processing chamber, and a cover plate 4 is provided directly above each through hole 11. The bracket is placed inside the processing chamber through the through hole 11, and the through hole 11 is closed and blocked by the cover plate 4. The bracket is installed on the bottom of the cover plate 4 so that the bracket is placed inside the bracket. The top of the processing box 1 is fixedly connected with a mounting seat 14, and a slide groove is provided on the mounting seat 14. The top of the cover plate 4 is fixedly connected with a mounting plate 3, and the top of the mounting plate 3 is connected with a connecting rod 31. One end of the connecting rod 31 is fixedly connected to a connecting frame 32, and one end of the connecting frame 32 is slidably connected to the inside of the slide groove. The inside of the slide groove is rotatably connected with a second screw 15, and one end of the connecting frame 32 is threadedly connected to the second screw 15. By rotating the second screw 15, the connecting frame 32 is controlled to lift and slide inside the slide groove, and the cover plate 4 is controlled to lift and lower under the action of the mounting plate 3 and the connecting rod 31.

[0029] Please refer again Figure 1 、 Figure 2 、 Figure 3 and Figure 4 The bottom of the cover plate 4 is fixedly connected to a fixing seat 5, and the inner wall of the fixing seat 5 is fixedly connected to a plurality of sleeves 6. The interior of each sleeve 6 is slidably connected to a sliding rod 7, and one end of each sliding rod 7 is fixedly connected to an extrusion plate 71. One end of the bracket is put on the fixing seat 5, and the sliding rod 7 is pushed to extend outward and squeezed with the inner wall of the bracket through the extrusion plate 71 to complete the quick installation of one end of the bracket.

[0030] Please refer again Figure 1 、 Figure 2 、 Figure 3 and Figure 4 The interior of the fixed seat 5 is provided with a driving mechanism that drives multiple sliding rods 7 to slide outward together. The driving mechanism includes a first screw 8 rotatably connected to the interior of the fixed seat 5, and the first screw 8 is threadedly connected to a lifting block 81. The lifting block 81 is hinged with a push rod 82 through a pin shaft. The other end of the push rod 82 is hinged to one end of the sliding rod 7 through a pin shaft. By rotating the first screw 8, the lifting block 81 is pushed to slide downward, and the multiple sliding rods 7 are squeezed outward together by multiple push rods 82. One end of the first screw 8 passes through the fixed seat 5, the cover plate 4, the mounting plate 3, the connecting rod 31 and the connecting frame 32 and extends to the top of the connecting frame 32. A rotating block is installed on the top of the first screw 8 to facilitate driving the first screw 8 to rotate inside the fixed seat 5.

[0031] Please refer again Figure 1 、 Figure 2 、 Figure 3 and Figure 4The sliding rod 7 is provided with a pin at one end fixedly connected to a fixed baffle 72, and a spring 73 is sleeved on the sliding rod 7. When the sliding rod 7 is not under force, the rebound of the spring 73 drives multiple sliding rods 7 to slide toward the inside of the fixed seat 5, and multiple extrusion plates 71 are distributed around the fixed seat 5 in a circular array. A groove for accommodating the extrusion plate 71 is opened on the fixed seat 5, which makes it easy to accommodate the extrusion plate 71 under the action of the groove.

[0032] Working principle: By connecting the device to the municipal power supply, one end of the bracket is put on the fixed seat 5, and the rotating block on the connecting frame 32 is driven to rotate inside the fixed seat 5, so that the lifting block 81 slides downward, and multiple sliding rods 7 are squeezed together by multiple push rods 82 to extend outward, and the inner wall of the bracket is squeezed by multiple extrusion plates 71 to complete the rapid installation of the bracket. By rotating the second screw 15, one end of the connecting frame 32 is made to slide downward inside the slide groove, and the bracket extends into the interior of the fixed cylinder 9 through the through hole 11, and the cover plate 4 is stuck in the through hole 11 for sealing. The bracket is heat-treated by starting the electric heating wire 91 inside the fixed cylinder 9. Under the action of multiple processing chambers, multiple cover plates 4 and multiple fixed seats 5, multiple brackets can be separately heat-treated.

[0033] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A multi-insulation layer vascular stent heat treatment device, characterized by: The invention comprises a processing box (1), wherein a partition frame (13) is fixedly connected to the interior of the processing box (1), and the partition frame (13) divides the interior of the processing box (1) into a plurality of processing chambers, and each of the processing chambers is provided with a heating mechanism for heating the bracket, and a through hole (11) is provided on the top of the processing box (1) and is connected to the processing chamber, and a cover plate (4) is provided directly above each of the through holes (11), and a fixing seat (5) is fixedly connected to the bottom of the cover plate (4), and a plurality of sleeves (6) are fixedly connected to the inner wall of the fixing seat (5), and a sliding rod (7) is slidably connected to the interior of each of the sleeves (6), and one end of each of the sliding rods (7) is fixedly connected to an extrusion plate (71), and a driving mechanism is provided inside the fixing seat (5) for driving the plurality of sliding rods (7) to slide outward together.

2. The multi-insulation layer vascular stent heat treatment device according to claim 1, characterized in that: The driving mechanism comprises a first screw (8) rotatably connected to the interior of the fixed seat (5); a lifting block (81) is threadedly connected to the first screw (8); a push rod (82) is hinged to the lifting block (81) via a pin; the other end of the push rod (82) is hinged to one end of the sliding rod (7) via a pin.

3. The multi-insulation layer vascular stent heat treatment device according to claim 2, characterized in that: The sliding rod (7) is provided with a pin, one end of which is fixedly connected to a fixed baffle (72), and a spring (73) is sleeved on the sliding rod (7).

4. The multi-insulation layer vascular stent heat treatment device according to claim 1, characterized in that: The plurality of extrusion plates (71) are distributed in a circular array around the fixing seat (5), and the fixing seat (5) is provided with a groove for accommodating the extrusion plates (71).

5. The multi-insulation layer vascular stent heat treatment device according to claim 1, characterized in that: The heating mechanism comprises a fixed cylinder (9) fixed inside the processing chamber, and an electric heating wire (91) is fixedly connected to the interior of the fixed cylinder (9).

6. The multi-insulation layer vascular stent heat treatment device according to claim 5, characterized in that: A controller (10) is fixedly connected to the outer surface of the processing box (1), and the controller (10) is electrically connected to the electric heating wire (91). A thermal insulation layer (12) is fixedly connected to the inner wall of the processing box (1).

7. The multi-insulation layer vascular stent heat treatment device according to claim 1, characterized in that: The top of the processing box (1) is fixedly connected to a mounting seat (14), and a slide groove is provided on the mounting seat (14). The top of the cover plate (4) is fixedly connected to a mounting plate (3), and the top of the mounting plate (3) is connected to a connecting rod (31). One end of the connecting rod (31) is fixedly connected to a connecting frame (32), and one end of the connecting frame (32) is slidably connected to the inside of the slide groove.

8. The multi-insulation layer stent heat treatment device according to claim 7, characterized in that: A second screw rod (15) is rotatably connected inside the slide groove, and one end of the connecting frame (32) is threadedly connected to the second screw rod (15).

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