CN113878808A

CN113878808A - Puncture needle cannula 4D printing device based on deformable material and using method thereof

Info

Publication number: CN113878808A
Application number: CN202111393574.6A
Authority: CN
Inventors: 张玲玲; 吴永; 刘春霞; 王园园; 张燕霞
Original assignee: Individual
Current assignee: Nantong First Peoples Hospital
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-01-04
Anticipated expiration: 2041-11-23
Also published as: CN113878808B

Abstract

The invention relates to a puncture needle sleeve 4D printing device based on a deformable material, which comprises an injection mechanism, a shaping mechanism and a protection mechanism, wherein the injection mechanism is arranged on the injection mechanism; the material injection mechanism is arranged on one side of the protection mechanism and is used for injecting heat-sensitive deformation materials and non-heat-sensitive deformation materials into the shaping mechanism; the molding mechanism is arranged on one side of the interior of the material injection mechanism and used for molding heat-sensitive deformation materials and non-heat-sensitive deformation materials; the protection mechanism is arranged on one side of the material injection mechanism; when the puncture needle sleeve 4D printing device based on the deformable material is used, the puncture needle sleeve is molded by arranging the first molding die and matching the second molding die, so that the puncture needle sleeve manufactured by the printing device is made of the heat-sensitive deformable material and the non-heat-sensitive deformable material, and the heat-sensitive deformable material deforms when the temperature is lower than a certain value, so that the puncture needle sleeve is bent downwards, and the guide wire is prevented from being broken.

Description

Puncture needle cannula 4D printing device based on deformable material and using method thereof

Technical Field

The invention relates to the field of puncture needle sleeves, in particular to a puncture needle sleeve 4D printing device based on a deformable material, and further relates to a using method of the puncture needle sleeve 4D printing device based on the deformable material.

Background

The puncture needle is a medical instrument for sampling and injecting tissues of various organs such as kidney, liver, lung, mammary gland, thyroid gland, prostate, pancreas, testis, uterus, ovary, body surface and the like in minimally invasive surgery. When the puncture needle is cleaned, pre-soaking is required: separating the pillow core from the needle sleeve, taking apart, screwing the screw to the maximum, and soaking with multienzyme cleaning agent to remove dryness. Washing: the soaked puncture needle is repeatedly washed under flowing water to remove partial blood stains and stains, water flow is suitable for splashing, a pressure water gun and a pressure air gun are used for alternately washing the cavity to remove the stains in the cavity. Ultrasonic cleaning: the needle core and the needle sleeve are tied by a rubber band or placed in a special instrument box, an ultrasonic cleaning basket is placed in the box, the box is immersed in the liquid of the enzyme cleaning agent, and the cavity is filled with water. And selecting matched ultrasonic frequency according to the material quality and sharpness of the instrument. Subsurface brushing and scrubbing were used as necessary. Rinsing: flushing the outer surface of the puncture needle with flowing water, inspecting the surface of the instrument, and removing residual dirt at the needle stalk by using a cotton swab; the inner wall of the cavity is repeatedly and alternately washed by a high-pressure water gun and an air gun until the inner cavity of the puncture needle is clean and unobstructed, and the ejected water flow becomes a straight line without resistance. Final rinsing: washing with purified water, soft water or distilled water. The instruments with the rust and black spots need to be subjected to rust removal treatment; re-washing the residual dirt; and 4, eliminating the damaged instruments.

The Chinese invention patent (CN 202010563312.9) discloses a puncture needle sleeve and a puncture needle, the application increases the intensity of ultrasonic reflection signals by arranging a detection part, improves the definition of the puncture needle sleeve in a B-ultrasonic image, improves the accuracy and the safety of puncture operation, reduces the operation difficulty and the risk, and increases the puncture success rate of a disposable optimal target point.

Disclosure of Invention

In view of the above, it is desirable to provide a needle cannula 4D printing device based on a deformable material and a method of use thereof.

A puncture needle sleeve 4D printing device based on deformable materials comprises a material injection mechanism, a shaping mechanism and a protection mechanism;

the material injection mechanism is arranged on one side of the protection mechanism and is used for injecting heat-sensitive deformation materials and non-heat-sensitive deformation materials into the shaping mechanism;

the molding mechanism is arranged on one side of the interior of the material injection mechanism and used for molding heat-sensitive deformation materials and non-heat-sensitive deformation materials;

wherein, protection machanism installs in the one side of annotating the material mechanism, protection machanism is used for annotating the material in-process and protects annotating material mechanism and moulding mechanism.

By adopting the technical scheme: the protection mechanism is arranged to protect the material injection mechanism and the shaping mechanism in the material injection process, and the heat-sensitive deformation material and the non-heat-sensitive deformation material are injected into the shaping mechanism through the material injection mechanism to be shaped.

In one embodiment, the material injection mechanism comprises a machine shell and a fixing plate, the fixing plate is fixedly connected to one side of the inside of the machine shell, an installation shell is arranged on one side of the inside of the machine shell, and material pumps are symmetrically installed inside the installation shell.

By adopting the technical scheme: the material pump is arranged to facilitate the injection of the heat sensitive deformation material and the non-heat sensitive deformation material.

In one embodiment, the mounting shell is symmetrically and fixedly connected with a charging barrel, one side of the charging barrel is communicated with a connecting pipe, one end of the connecting pipe is communicated with a feeding hole of a material pump, a discharging hole of the material pump is communicated with a discharging pipe, and one end of the discharging pipe penetrates through the mounting shell.

By adopting the technical scheme: the charging barrel is arranged to be matched with the discharging pipe, so that the heat sensitive deformation material and the non-heat sensitive deformation material can be injected into the shaping mechanism in sequence.

In one embodiment, the shaping mechanism comprises a first arc-shaped plate and a second arc-shaped plate, the first arc-shaped plate is fixedly connected to one side of the fixing plate, a clamping groove is formed in one side of the first arc-shaped plate, a clamping block is clamped inside the clamping groove, and one side of the clamping block is fixedly connected with the second arc-shaped plate.

By adopting the technical scheme: the first arc-shaped plate is matched with the second arc-shaped plate to limit the first shaping die and the second shaping die.

In one embodiment, a second shaping mold is arranged on one side of the first arc-shaped plate, one side of the second shaping mold is fixedly connected with the fixing plate, and a first shaping mold is sleeved on one side of the second shaping mold.

By adopting the technical scheme: the first shaping die is arranged to be matched with the second shaping die to shape the puncture needle sleeve.

In one embodiment, a sliding groove is formed in one side of the first arc-shaped plate, a sliding block is connected to the inside of the sliding groove in a sliding mode, and one side of the sliding block is fixedly connected with the first shaping mold.

By adopting the technical scheme: the sliding block is arranged to be matched with the sliding groove, so that the position of the first shaping die can be fixed conveniently.

In one embodiment, a heating plate is installed on one side inside the machine shell, a temperature controller is installed on one side inside the machine shell, and an electrical output end of the temperature controller is electrically connected with an electrical control end of the heating plate.

By adopting the technical scheme: the heating plate is arranged to be matched with the temperature controller, so that the initial shape of the puncture needle sleeve can be fixed conveniently.

In one embodiment, the protection mechanism comprises a cover plate and a handle, the cover plate is hinged to one side of the machine shell, the handle is fixedly connected with the cover plate, an electric push rod is installed on one side inside the machine shell, and a piston rod of the electric push rod is fixedly connected with the installation shell.

By adopting the technical scheme: the electric push rod is arranged to be convenient for driving the installation shell to move, a switch group used for controlling the electric push rod to be started and closed is installed on one side of the machine shell, and the switch group is connected with an external commercial power or a portable power supply and used for supplying power for the electric push rod, the heating plate and the temperature controller.

A use method of a puncture needle cannula 4D printing device based on a deformable material comprises the following steps:

s1, sleeving the first shaping mold on one side of the second shaping mold, and clamping the sliding block into the sliding groove;

s2, connecting the second arc-shaped plate with the first arc-shaped plate through the clamping blocks matched with the clamping grooves;

s3, pushing the mounting shell to be in contact with the first arc-shaped plate and the second arc-shaped plate through an electric push rod;

s4, starting the heating plate to control the temperature at a specified value by matching with a temperature controller, and starting a material pump to inject the heat-sensitive deformation material;

s5, the first shaping mold is taken out, and the non-heat-sensitive deformation material is injected.

The invention has the technical effects and advantages that:

1. when the puncture needle sleeve 4D printing device based on the deformable material is used, the puncture needle sleeve is shaped by arranging the first shaping die and matching the second shaping die, so that the puncture needle sleeve manufactured by the printing device is made of the heat-sensitive deformable material and the non-heat-sensitive deformable material, and the heat-sensitive deformable material deforms when the temperature is lower than a certain value, so that the puncture needle sleeve is bent downwards, and the guide wire is prevented from being broken;

2. this pjncture needle sleeve pipe 4D printing device based on deformable material when using, carries out moulding to non-heat-sensitive deformable material through setting up first moulding mould to assemble as an organic whole with heat-sensitive deformable material, make pjncture needle sleeve pipe that this printing device made when putting the pipe failure, put into the sterile water of certain temperature with the sleeve pipe, can reset the sleeve pipe shape.

Drawings

FIG. 1 is a perspective view of a deformable material based puncture needle cannula 4D printing device of the present invention;

FIG. 2 is a schematic view of a connection structure of a second arc-shaped plate and a first arc-shaped plate in the puncture needle cannula 4D printing device based on a deformable material of the invention;

FIG. 3 is a schematic structural view of a first arc-shaped plate in the puncture needle cannula 4D printing device based on deformable materials according to the present invention;

FIG. 4 is a schematic side view of the internal structure of a deformable material-based 4D printing device for a puncture needle cannula of the present invention;

FIG. 5 is a schematic side view of the internal structure of the mounting housing of a deformable material based 4D printing apparatus for a puncture needle cannula of the present invention;

fig. 6 is a schematic side view of the internal structure of a second shaping mold of a device for printing a puncture needle cannula 4D based on a deformable material according to the present invention.

In the figure: 1. a chute; 2. a card slot; 10. a material injection mechanism; 11. a housing; 12. a fixing plate; 13. mounting a shell; 14. a charging barrel; 15. a connecting pipe; 16. a material pump; 17. a discharge pipe; 20. a shaping mechanism; 21. a temperature controller; 22. heating plates; 23. a first arc-shaped plate; 24. a first shaping mold; 25. a second shaping mold; 26. a slider; 27. a second arc-shaped plate; 28. a clamping block; 30. a protection mechanism; 31. a cover plate; 32. a grip; 33. an electric push rod; 34. a limit ring.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-6, a printing apparatus for a puncture needle cannula 4D based on a deformable material includes a material injection mechanism 10, a shaping mechanism 20, and a protection mechanism 30.

Referring to fig. 1, 4 and 5, the material injection mechanism 10 includes a casing 11, a fixing plate 12 and a mounting housing 13, the fixing plate 12 is fixedly connected to one side of the inside of the casing 11, the material pumps 16 are symmetrically mounted inside the mounting housing 13, the material injection mechanism 10 is disposed on one side of the protection mechanism 30, the material injection mechanism 10 is used for injecting heat sensitive deformable materials and non-heat sensitive deformable materials into the shaping mechanism 20, and the material pumps 16 are disposed to facilitate the injection of the heat sensitive deformable materials and the non-heat sensitive deformable materials.

For example, in order to facilitate the injection of the thermal sensitive deformation material and the non-thermal sensitive deformation material into the shaping mechanism 20 in sequence, the inside of the mounting shell 13 is symmetrically and fixedly connected with the charging barrel 14, one side of the charging barrel 14 is communicated with the connecting pipe 15, one end of the connecting pipe 15 is communicated with the feeding hole of the material pump 16, the discharging hole of the material pump 16 is communicated with the discharging pipe 17, and one end of the discharging pipe 17 penetrates through the mounting shell 13.

Referring to fig. 1-6, the shaping mechanism 20 includes a first arc plate 23, a second arc plate 27 and a second shaping mold 25, the first arc plate 23 is fixedly connected to one side of the fixing plate 12, a clamping groove 2 is formed in one side of the first arc plate 23, a clamping block 28 is clamped inside the clamping groove 2, one side of the clamping block 28 is fixedly connected to the second arc plate 27, the shaping mechanism 20 is installed on one side of the inside of the material injection mechanism 10, the shaping mechanism 20 is used for shaping the heat sensitive deformation material and the non-heat sensitive deformation material, and the first arc plate 23 is arranged to cooperate with the second arc plate 27 to limit the first shaping mold 24 and the second shaping mold 25.

For example, to shape the puncture needle cannula, one side of the second shaping mold 25 is fixedly connected to the fixing plate 12, and one side of the second shaping mold 25 is sleeved with the first shaping mold 24.

For example, in order to fix the position of the first shaping mold 24, the sliding groove 1 is formed in one side of the first arc-shaped plate 23, the sliding block 26 is slidably connected inside the sliding groove 1, and one side of the sliding block 26 is fixedly connected with the first shaping mold 24.

Referring to fig. 1 and 4, the protection mechanism 30 includes a cover plate 31, a handle 32 and a limit ring 34, the cover plate 31 is hinged to one side of the casing 11, the handle 32 is fixedly connected to the cover plate 31, an electric push rod 33 is installed on one side inside the casing 11, a piston rod of the electric push rod 33 is fixedly connected to the installation shell 13, the protection mechanism 30 is installed on one side of the injection mechanism 10, the protection mechanism 30 is used for protecting the injection mechanism 10 and the shaping mechanism 20 during the injection process, and the electric push rod 33 is provided to facilitate the movement of the installation shell 13.

For example, in order to fix the initial shape of the puncture needle cannula, a heating plate 22 is installed on one side inside the casing 11, a temperature controller 21 is installed on one side inside the casing 11, and an electrical output end of the temperature controller 21 is electrically connected with an electrical control end of the heating plate 22.

For example, in order to enhance the connection stability of the first arc plate 23 and the second arc plate 27, a stopper ring 34 is fixedly attached to one side of the mounting case 13.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above embodiments only express a few embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A puncture needle cannula 4D printing device based on deformable materials is characterized by comprising a material injection mechanism (10), a shaping mechanism (20) and a protection mechanism (30);

the material injection mechanism (10) is arranged on one side of the protection mechanism (30), and the material injection mechanism (10) is used for injecting heat-sensitive deformation materials and non-heat-sensitive deformation materials into the shaping mechanism (20);

the shaping mechanism (20) is arranged on one side of the interior of the material injection mechanism (10), and the shaping mechanism (20) is used for shaping heat-sensitive deformation materials and non-heat-sensitive deformation materials;

the protection mechanism (30) is installed on one side of the material injection mechanism (10), and the protection mechanism (30) is used for protecting the material injection mechanism (10) and the shaping mechanism (20) in the material injection process.

2. The deformable material-based puncture needle cannula 4D printing device is characterized in that the material injection mechanism (10) comprises a casing (11) and a fixing plate (12), the fixing plate (12) is fixedly connected to one side of the inside of the casing (11), a mounting shell (13) is arranged on one side of the inside of the casing (11), and a material pump (16) is symmetrically mounted inside the mounting shell (13).

3. The puncture needle cannula 4D printing device based on the deformable material as claimed in claim 2, wherein a material cylinder (14) is symmetrically and fixedly connected to the inside of the mounting shell (13), a connecting pipe (15) is communicated with one side of the material cylinder (14), one end of the connecting pipe (15) is communicated with a feeding hole of a material pump (16), a discharging pipe (17) is communicated with a discharging hole of the material pump (16), and one end of the discharging pipe (17) penetrates through the mounting shell (13).

4. The puncture needle cannula 4D printing device based on the deformable material as claimed in claim 2, wherein the shaping mechanism (20) comprises a first arc-shaped plate (23) and a second arc-shaped plate (27), the first arc-shaped plate (23) is fixedly connected to one side of the fixing plate (12), a clamping groove (2) is formed in one side of the first arc-shaped plate (23), a clamping block (28) is clamped inside the clamping groove (2), and one side of the clamping block (28) is fixedly connected with the second arc-shaped plate (27).

5. The device for 4D printing of the puncture needle cannula based on the deformable material as claimed in claim 4, wherein a second shaping mold (25) is arranged on one side of the first arc-shaped plate (23), one side of the second shaping mold (25) is fixedly connected with the fixing plate (12), and a first shaping mold (24) is sleeved on one side of the second shaping mold (25).

6. The puncture needle cannula 4D printing device based on the deformable material as claimed in claim 5, wherein a sliding groove (1) is formed in one side of the first arc-shaped plate (23), a sliding block (26) is slidably connected to the inside of the sliding groove (1), and one side of the sliding block (26) is fixedly connected with the first shaping mold (24).

7. The puncture needle cannula 4D printing device based on the deformable material as claimed in claim 2, wherein a heating plate (22) is installed on one side inside the casing (11), a temperature controller (21) is installed on one side inside the casing (11), and an electrical output end of the temperature controller (21) is electrically connected with an electrical control end of the heating plate (22).

8. The puncture needle cannula 4D printing device based on the deformable material as claimed in claim 3, wherein the protection mechanism (30) comprises a cover plate (31) and a handle (32), the cover plate (31) is hinged to one side of the casing (11), the handle (32) is fixedly connected with the cover plate (31), an electric push rod (33) is installed on one side of the inside of the casing (11), and a piston rod of the electric push rod (33) is fixedly connected with the installation shell (13).

9. A use method of a puncture needle cannula 4D printing device based on a deformable material is characterized by comprising the following steps:

s1, sleeving the first shaping mold (24) on one side of the second shaping mold (25) to enable the sliding block (26) to be clamped into the sliding chute (1);

s2, connecting the second arc-shaped plate (27) with the first arc-shaped plate (23) through the clamping block (28) matched with the clamping groove (2);

s3, pushing the mounting shell (13) to be in contact with the first arc-shaped plate (23) and the second arc-shaped plate (27) through an electric push rod (33);

s4, starting the heating plate (22) to control the temperature at a designated value by matching with the temperature controller (21), and starting the material pump (16) to inject the heat-sensitive deformation material;

s5, the first shaping mold (24) is taken out, and the non-heat-sensitive deformation material is injected.