Shaping device for connecting part of intravascular stent

Abstract

The utility model discloses a shaping device for a connecting part of an intravascular stent, which comprises an upper module and a lower module, pressure sensors are fixedly mounted on two sides of the bottom end of the upper module, and an upper die cavity is arranged in the middle of the bottom end of the upper module. According to the intravascular stent shaping device, the mode that the upper module and the lower module are combined is adopted, clamping, extruding and shaping of an intravascular stent mandrel are achieved, during extruding and shaping, signals can be transmitted to the microcontroller through the pressure sensor, the pressure value is displayed in real time through the displayer, and after the forming pressure is achieved, alarm prompting is automatically conducted; therefore, precise pressure control forming of the mandrel of the connecting part of the intravascular stent is achieved, the problems that manual shaping efficiency is low and adjusting precision is not accurate are solved, an inner cavity of the connecting part of the intravascular stent shaped through the shaping device is rounder, obstruction to blood flow during use can be reduced, and the shaping device is easy to operate, safe and practical.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical tool auxiliary processing technical field, concretely is a shaping device for blood vessel stent connecting part. BACKGROUND

[0002] With the development of medical technology, the quality and performance requirements of the blood vessel stent are higher and higher, especially in the precision and quality of the connecting part, the connecting part is the key part of connecting each part of the blood vessel stent together, and the accuracy of its shape is crucial to the structural stability of the whole stent. If the connecting part has shape defects, such as angle deviation or uneven surface, it may cause the stent to loosen, disengage and other problems after implanting in the blood vessel, affecting its function of supporting the blood vessel. In the batch production of blood vessel stents, it is inevitable that some connecting parts need to be adjusted. The current shaping method of blood vessel stent connecting part is mainly through the pinch of tweezers to press tightly, and the blood vessel stent wraps the built-in core material through the pinch method, so as to shape the core material. The above-mentioned shaping method of blood vessel stent connecting part has the following disadvantages:

[0003] Manual clamping shaping is low in efficiency, and the intensity of clamping adjustment and shaping is difficult to control accurately. The damage rate of the stent connecting part in the shaping process is high, and it is difficult to ensure consistency, so that accidents occur when the catheter stent is used, resulting in medical accidents. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a shaping device for blood vessel stent connecting part to solve the problems of shape defects in the connecting part, such as angle deviation or uneven surface, low efficiency of manual shaping and difficulty in ensuring consistency, which may cause the stent to loosen, disengage and other problems after implanting in the blood vessel, affecting its function of supporting the blood vessel.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a shaping device for blood vessel stent connecting part, comprising an upper module and a lower module, the two sides of the bottom end of the upper module are fixedly installed with pressure sensors, the middle part of the bottom end of the upper module is provided with an upper die cavity, the middle part of one side of the upper module is fixedly installed with a display, one end of one side of the upper module is fixedly installed with a power switch, the other side of the upper module is fixedly installed with a plurality of warning lights, the middle part of the top end of the upper module is provided with a power cavity, and the two sides of the top end of the upper module are provided with upper pressing grooves.

[0006] Preferably, the inner cavity of the power cavity is fixedly installed with a button cell on one side, and a microcontroller is fixedly installed on the other side of the power cavity: the button cell is used to provide power supply.

[0007] Preferably, two sides of the top end of the lower module are provided with pressure sensing cavities, the middle of the top end of the lower module is provided with a lower mold cavity, and two sides of the bottom end of the lower module are provided with lower pressing grooves, and the pressure sensor is arranged opposite to the pressure sensing cavity.

[0008] Preferably, the early warning lamp, the display and the pressure sensor are electrically connected with the microcontroller, and the microcontroller is electrically connected with the button cell through the power switch; the early warning lamp, the display and the pressure sensor are controlled by the microcontroller.

[0009] Preferably, the upper mold cavity and the lower mold cavity are semicircular, and the upper mold cavity and the lower mold cavity are matched; the shape of the vascular stent connection can be effectively adjusted according to the upper mold cavity and the lower mold cavity.

[0010] Preferably, the upper module and the lower module are made of stainless steel material, the length and height of the upper module and the lower module are respectively 2mm and 6mm, and the radius of the upper mold cavity and the lower mold cavity is 1.7mm.

[0011] Compared with the prior art, the vascular stent shaping device adopts the combination mode of the upper module and the lower module, realizes the clamping and extruding of the vascular stent core shaft, and transmits signals to the microcontroller through the pressure sensor during the extruding and shaping, and displays the pressure value in real time through the display. After the molding pressure is reached, automatic alarm is performed, so as to realize the precise pressure control molding of the vascular stent connection part core shaft, solve the problems of low manual shaping efficiency and inaccurate adjustment precision, and the inner cavity of the vascular stent connection part shaped by the shaping device is more round, can reduce the hindrance to blood flow during use, is simple to operate, safe and practical. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic view of the shaping device of the utility model;

[0013] Figure 2 It is a top view structural schematic view of the shaping device of the utility model;

[0014] Figure 3 It is a structural schematic view of the upper mold cavity and the lower module of the utility model;

[0015] Figure 4 It is a pressure module principle diagram of the utility model.

[0016] In the drawing: 1, upper module; 2, lower module; 3, upper mold cavity; 4, lower mold cavity; 5, pressure sensor; 6, pressure sensing cavity; 7, upper pressing groove; 8, display; 9, power switch; 10, power cavity; 11, button cell; 12, microcontroller; 13, early warning lamp; 14, lower pressing groove. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described in connection with the drawings in the embodiments of the utility model.

[0018] Please refer to Figures 1-4 The utility model provides a shaping device for vascular stent connecting part, including upper module 1 and lower module 2, both sides of upper module 1 bottom are fixedly installed with pressure sensor 5, the middle part of upper module 1 bottom is equipped with upper mould cavity 3, the middle part of one side of upper module 1 is fixedly installed with display 8, one end of one side of upper module 1 is fixedly installed with power switch 9, the other side of upper module 1 is fixedly installed with a plurality of warning light 13, the middle part of upper module 1 top is equipped with power cavity 10, both sides of upper module 1 top are equipped with upper pressing groove 7, the both sides of lower module 2 top are equipped with pressure sensing cavity 6, the middle part of lower module 2 top is equipped with lower mould cavity 4, the both sides of lower module 2 bottom are equipped with lower pressing groove 14, pressure sensor 5 is opposite pressure sensing cavity 6 and is arranged, and upper mould cavity 3 and lower mould cavity 4 are semicircular, and upper mould cavity 3 and lower mould cavity 4 are matched, and upper module 1 and lower module 2 are made of stainless steel material, and the height of upper module 1 and lower module 2 is respectively set as 2mm and 6mm, and the radius of upper mould cavity 3 and lower mould cavity 4 is all set as 1.7mm.

[0019] When the embodiment of the application is used: upper mould cavity 3 and lower mould cavity 4 correspond through pressure sensor 5 and pressure sensing cavity, and the upper pressing groove 7 provided on the upper module 1 and the lower pressing groove 14 provided on the lower module 2 are extruded by an external extrusion device, so that the upper mould cavity 3 and the lower mould cavity 4 provided on the upper module 1 and the lower module 2 extrude the vascular stent connecting part, so as to adjust the shape of the vascular stent connecting part.

[0020] Please refer to Figures 1-4 Further, a button cell 11 is fixedly installed on one side of the inner cavity of the power cavity 10, and a microcontroller 12 is fixedly installed on the other side of the inner cavity of the power cavity 10. The warning light 13, the display 8 and the pressure sensor 5 are electrically connected with the microcontroller 12, and the microcontroller 12 is electrically connected with the button cell 11 through the power switch 9.

[0021] When the embodiment of the application is used: after the power switch 9 is turned on, the button cell 11 supplies power, and when extrusion is being performed, the pressure sensor 5 senses and collects pressure data, which are transmitted to the microcontroller 12. The microcontroller 12 transmits the pressure data to the display 8, so as to facilitate the staff to timely adjust and control the extrusion pressure. When the pressure value is reached, the microcontroller 12 controls the warning light 13 to flash and warn, and the extrusion is stopped to prevent over-extrusion.

[0022] Specific use: the upper die cavity 3 and the lower die cavity 4 are corresponding through the pressure sensor 5 and the pressure sensing cavity 6, so that the upper die cavity 3 and the lower die cavity 4 opened on the upper die 1 and the lower die 2 are extruded to adjust the shape of the vascular stent connecting part, through the external extrusion device, the upper pressing groove 7 opened on the upper die 1 and the lower pressing groove 14 opened on the lower die 2 are extruded, after adjusting, the power switch 9 is turned on, the button cell 11 supplies power, the extrusion starts, in the process of extrusion, the pressure sensing cavity 6 is inducted through the pressure sensor 5 extrusion, the inducted pressure value is transmitted to the microcontroller 12, the pressure value is transmitted to the display 8 through the microcontroller 12, the staff can adjust and control the shaping pressure in time, when the pressure value is reached, the microcontroller 12 will control the warning light 13 to flash warning, when the warning light 13 flashes and alarms, the extrusion is stopped to prevent over extrusion.

[0023] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A device for shaping a connection of a vascular stent, comprising an upper module (1) and a lower module (2), characterized in that: The upper module (1) bottom end both sides are fixedly installed with pressure sensor (5), the upper module (1) bottom end middle part is equipped with upper die cavity (3), the upper module (1) one side middle part is fixedly installed with display (8), the upper module (1) one side one end is fixedly installed with power switch (9), the other side of the upper module (1) is fixedly installed with several warning lights (13), the upper module (1) top end middle part is equipped with power cavity (10), the upper module (1) top end both sides are equipped with upper pressing groove (7).

2. The device of claim 1, wherein: The power cavity (10) inner chamber one side is fixedly installed with button cell (11), the power cavity (10) inner chamber other side is fixedly installed with microcontroller (12).

3. The device of claim 1, wherein: The lower module (2) top end both sides are equipped with pressure sensing cavity (6), the lower module (2) top end middle part is equipped with lower die cavity (4), the lower module (2) bottom end both sides are equipped with lower pressing groove (14), the pressure sensor (5) is opposite pressure sensing cavity (6) setting.

4. The device of claim 2, wherein: The warning light (13), display (8) and pressure sensor (5) are all with microcontroller (12) electric connection, the microcontroller (12) is through power switch (9) and button cell (11) electric connection.

5. The apparatus of claim 1, wherein: The upper die cavity (3) and lower die cavity (4) are semicircular, the upper die cavity (3) and lower die cavity (4) are matched.

6. The device of claim 2, wherein: The upper module (1) and lower module (2) are all made of stainless steel material, the upper module (1) and lower module (2) height are set to 2mm and 6mm respectively, the upper die cavity (3) and lower die cavity (4) radius are all set to 1.7mm.

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