CN216864263U

CN216864263U - Heat setting device for heat setting of shape memory alloy in pulmonary nodule positioning needle

Info

Publication number: CN216864263U
Application number: CN202123207835.9U
Authority: CN
Inventors: 魏家富; 王思清; 朱嘉伟; 李伟; 李钧
Original assignee: Changzhou Furuite Biotechnology Co ltd
Current assignee: Changzhou Furuite Biotechnology Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-07-01
Anticipated expiration: 2031-12-20

Abstract

The utility model belongs to the technical field of lung nodule positioning needle forming, and particularly relates to a heat-setting device for heat-setting shape memory alloy in a lung nodule positioning needle. According to the utility model, the sealing cover, the sealing frame, the vacuum tube and other structures are additionally arranged on the heating box, so that the vacuum tube can be used for vacuumizing the interior of the heating box in the process of heating and shaping the positioning needle, the air content in the interior is less, and the positioning needle can be effectively prevented from being oxidized in the process of heat-shaping the positioning needle.

Description

Heat setting device for heat setting of shape memory alloy in pulmonary nodule positioning needle

Technical Field

The utility model relates to the technical field of lung nodule positioning needle forming, in particular to a heat setting device for heat setting shape memory alloy in a lung nodule positioning needle.

Background

The lung nodules are small focal, roundish-like, imagewise appearing densely-heightened shadows, and can be single-shot or multiple-shot without atelectasis, glottic enlargement, and pleural effusion. The isolated pulmonary nodules have no typical symptoms, are single, have clear boundaries, have high density, have the diameter of less than or equal to 3 cm and are surrounded by soft tissue of the lung containing air, in the existing medical means, when treating pulmonary nodules, can be treated by positioning, in the process of producing the positioning needle, the shape memory alloy in the positioning needle needs to be heat-set by a heat-setting device, but the shape memory alloy in the prior art is easy to oxidize and influence the use when heating the shape memory alloy, and is not convenient for clamping a shape memory alloy shaping cylinder, so that the device is inconvenient to use. Accordingly, there is a need for improvements in the art.

Disclosure of Invention

The utility model aims to provide a heat setting device for heat setting of shape memory alloy in a pulmonary nodule positioning needle, which solves the problems that the shape memory alloy is easy to oxidize and a setting cylinder is inconvenient to clamp.

In order to achieve the purpose, the utility model provides the following technical scheme: a heat setting device for shape memory alloy heat setting in lung nodule locator needle, including the heating cabinet, the upper end sliding connection of heating cabinet has sealed lid, fixedly connected with sealing frame on the heating cabinet, fixedly connected with vacuum tube on the sealed lid, there is the end cover through threaded connection on the vacuum tube, sealing frame with sealed lid sliding connection, the inside fixedly connected with electrothermal tube of heating cabinet, install the minor axis through the bearing on the heating cabinet, the one end fixedly connected with rotating turret of minor axis, the contact has puts the frame on the rotating turret, the outside of rotating turret articulates there is the limiting plate, be provided with the extension spring on the limiting plate, fixedly connected with spacing post on the limiting plate, spacing post with put a sliding connection.

Preferably, the sealing cover is connected with a screw in a sliding mode inside, and the screw is connected with the heating box through threads.

Preferably, the outer side of the heating box is fixedly connected with a speed reducing motor, and an output shaft of the speed reducing motor is fixedly connected with the short shaft.

Preferably, a sealing plate is fixedly connected to the inside of the heating box, and the sealing plate is in contact with the short shaft.

Preferably, the placing plate is fixedly connected to the inside of the placing frame, and the shaping cylinder is clamped inside the placing plate.

Preferably, one end of the tension spring is fixedly connected with the rotating frame, and the other end of the tension spring is fixedly connected with the limiting plate.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, by additionally arranging the sealing cover, the sealing frame, the vacuum tube and other structures on the heating box, in the process of heating and shaping the shape memory alloy, the vacuum tube can be used for vacuumizing the interior of the heating box, so that the air content in the interior is less, and the shape memory alloy can be effectively prevented from being oxidized in the process of heat shaping the shape memory alloy.

2. According to the utility model, the limiting plate, the tension spring, the limiting column and other structures are additionally arranged on the rotating frame, and after the shaping cylinder containing the shape memory alloy is placed in the placing frame, the limiting column is driven by the elasticity of the tension spring to slide into the placing frame, so that the shaping cylinder can be conveniently and quickly clamped.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is a front cross-sectional view of FIG. 1 of the present invention;

FIG. 3 is an enlarged view of the portion A of FIG. 2 according to the present invention;

fig. 4 is an enlarged view of the structure of the part B of fig. 2 according to the present invention.

In the figure: 1. a heating box; 2. a sealing cover; 3. a sealing frame; 4. a screw; 5. a vacuum tube; 6. an end cap; 7. an electric heating tube; 8. a short axis; 9. a rotating frame; 10. a reduction motor; 11. a placing frame; 12. placing the plate; 13. shaping the cylinder; 14. a limiting plate; 15. a tension spring; 16. a limiting column; 17. and (7) sealing the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a heat setting device for heat setting shape memory alloy in a lung nodule locator needle comprises a heating box 1, a sealing cover 2 is slidably connected to the upper end of the heating box 1, a sealing frame 3 is fixedly connected to the heating box 1, a vacuum tube 5 is fixedly connected to the sealing cover 2, an end cover 6 is connected to the vacuum tube 5 through a thread, the sealing frame 3 is slidably connected to the sealing cover 2, an electric heating tube 7 is fixedly connected to the inside of the heating box 1, the electric heating tube 7 heats the inside of the heating box 1 through heat radiation, a short shaft 8 is mounted on the heating box 1 through a bearing, a rotating frame 9 is fixedly connected to one end of the short shaft 8, a placing frame 11 is contacted to the rotating frame 9, a limiting plate 14 is hinged to the outer side of the rotating frame 9, a tension spring 15 is arranged on the limiting plate 14, a limiting post 16 is fixedly connected to the limiting plate 14, and the limiting post 16 is slidably connected to the placing frame 11, the stopper post 16 is made of a rubber material.

Referring to fig. 3, a screw 4 is slidably connected inside the sealing cover 2, the screw 4 is in threaded connection with the heating box 1, and the screw 4 can limit the sealing cover 2.

Referring to fig. 2, a speed reduction motor 10 is fixedly connected to the outer side of the heating box 1, an output shaft of the speed reduction motor 10 is fixedly connected to a short shaft 8, and the speed reduction motor 10 is 50K60GU-CF, which belongs to the prior art.

Referring to fig. 2, a sealing plate 17 is fixedly connected to the inside of the heating box 1, the sealing plate 17 is in contact with the stub shaft 8, and the sealing plate 17 seals the joint of the stub shaft 8 and the heating box 1.

Referring to fig. 2, a placing plate 12 is fixedly connected to the inside of a placing frame 11, a shaping cylinder 13 is clamped inside the placing plate 12, and a shape memory alloy is contained inside the shaping cylinder 13, which belongs to the prior art.

Referring to fig. 4, one end of the tension spring 15 is fixedly connected to the rotating frame 9, the other end of the tension spring 15 is fixedly connected to the limiting plate 14, and the tension spring 15 can drive the limiting plate 14 to automatically reset through elasticity.

The specific implementation process of the utility model is as follows: after the shape memory alloy is placed in the shaping cylinder 13, the shaping cylinder 13 is placed on the placing plate 12, then the placing frame 11 is placed on the rotating frame 9, the limiting plate 14 is shifted to the outer side of the rotating frame 9 in the placing process, the limiting plate 14 is shifted open and the tension spring 15 is stretched, after the placing frame 11 is placed, the limiting plate 14 is loosened, the tension spring 15 is reset, the tension spring 15 drives the limiting column 16 on the limiting plate 14 to slide into the placing frame 11 through elasticity, and therefore the placing of the shape memory alloy can be completed;

then, a vacuum pump is used for sucking air in the heating box 1 through the vacuum tube 5, the vacuum tube 5 is sealed through the end cover 6 after the air is sucked out, then the electric heating tube 7 is started, the electric heating tube 7 heats the inside of the heating box 1 through heat radiation, and the shape memory alloy can be prevented from being oxidized because no air exists in the heating box 1 in the heating process.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A heat setting device that is arranged in shape memory alloy heat setting of pulmonary nodule locator needle, including heating cabinet (1), its characterized in that: the upper end of the heating box (1) is connected with a sealing cover (2) in a sliding way, a sealing frame (3) is fixedly connected on the heating box (1), a vacuum tube (5) is fixedly connected to the sealing cover (2), an end cover (6) is connected to the vacuum tube (5) through threads, the sealing frame (3) is connected with the sealing cover (2) in a sliding way, an electric heating tube (7) is fixedly connected inside the heating box (1), a short shaft (8) is arranged on the heating box (1) through a bearing, one end of the short shaft (8) is fixedly connected with a rotating frame (9), a placing frame (11) is contacted on the rotating frame (9), a limiting plate (14) is hinged at the outer side of the rotating frame (9), the limiting plate (14) is provided with a tension spring (15), the limiting plate (14) is fixedly connected with a limiting column (16), and the limiting column (16) is in sliding connection with the placing frame (11).

2. The heat setting device for heat setting shape memory alloy in a pulmonary nodule locator needle of claim 1, wherein: the inside sliding connection of sealed lid (2) has screw (4), screw (4) with heating cabinet (1) passes through threaded connection.

3. The heat setting device for heat setting shape memory alloy in a pulmonary nodule locator needle of claim 1, wherein: the outer side of the heating box (1) is fixedly connected with a speed reducing motor (10), and an output shaft of the speed reducing motor (10) is fixedly connected with the short shaft (8).

4. The heat setting device for heat setting shape memory alloy in a pulmonary nodule locator needle of claim 1, wherein: the interior fixedly connected with closing plate (17) of heating cabinet (1), closing plate (17) with minor axis (8) contact.

5. The heat setting device for heat setting shape memory alloy in a pulmonary nodule locator needle of claim 1, wherein: the interior fixedly connected with of putting frame (11) puts board (12), the inside joint of putting board (12) has a shaping section of thick bamboo (13).

6. The heat setting device for heat setting shape memory alloy in a pulmonary nodule locator needle of claim 1, wherein: one end of the tension spring (15) is fixedly connected with the rotating frame (9), and the other end of the tension spring (15) is fixedly connected with the limiting plate (14).