Liquid nitrogen cryotherapy pen for dermatological nursing

By designing a liquid nitrogen cryotherapy pen with a cogging gear tube, nested connecting tube and hollow lampshade, the problem that existing treatment pens cannot quickly adjust the position and structure of the pen tip, achieving efficient and accurate skin care , and simplify the device structure to make it more portable.

CN222510426UActive Publication Date: 2025-02-21GUANGYUAN CENT HOSPITAL
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Patent Information

Application Number
CN202420619938.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-28
Publication Date
2025-02-21
Estimated Expiration
2034-03-28

AI Technical Summary

Technical Problem

The existing liquid nitrogen cryotherapy pen cannot quickly adjust the position of the pen tip, resulting in low skin care efficiency, complex structure, large size, inconvenient portability, lack of fluid output control and obvious treatment positioning structure, which is prone to inaccurate positioning due to visual fatigue.

Method used

A liquid nitrogen cryotherapy pen including the main body of the device, liquid nitrogen storage pipe, connecting end, pen tip threaded rod and hollow lampshade was designed. The liquid output volume is controlled through the inner cog tube and nested connecting tube, and the hollow lampshade provides positioning. Lighting to improve the accuracy of contact between the pen tip and the skin.

Benefits of technology

The nib position is quickly adjusted, the efficiency and accuracy of skin care is improved, the device structure is simplified, the volume is reduced, and it is more portable. The device's practicality is enhanced through the lighting positioning function of the hollow lampshade.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a liquid nitrogen cryotherapy pen for dermatological nursing, and particularly relates to the field of dermatological nursing, the liquid nitrogen cryotherapy pen comprises a device main body, and a liquid nitrogen storage pipeline is connected to the middle part in the device main body in a penetrating manner; a plugging opening is connected to one side of the interior of the liquid nitrogen storage pipeline in an embedded mode, and a connecting base is connected to one side of the device body in an embedded mode. When the device is used, the connecting seat is connected with the connecting end and the device main body to form connection and circulation of the liquid nitrogen storage pipeline, the other side of the connecting end is connected with the liquid outlet end to form connection and circulation through the pen point threaded rod, liquid outlet treatment is performed through the pen point, the pen point is clamped and limited through the pen point connecting buckle, and liquid outlet is controlled in the form of a writing pen. The embedded gear pipe is embedded into the nesting connecting pipe to form an overlapped nesting structure, the plugging opening is used for pushing and controlling effective intervention of the liquid outlet amount, the hollow lampshade is nested on the surface of the threaded rod of the pen point to form a surrounding type illumination positioning effect on the outer portion of the pen point, and therefore the contact accuracy of the pen point and the treated skin can be improved.
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Description

Technical Field

[0001] The utility model relates to the field of dermatological care, and more specifically, to a liquid nitrogen cryotherapy pen for dermatological care. Background Art

[0002] Liquid nitrogen is widely used to treat skin diseases such as thorn monkeys and corns, and has good therapeutic effects. The storage and use of liquid nitrogen is not very convenient. Usually, liquid nitrogen is stored in a liquid nitrogen tank. When needed, some is introduced from the tank into a thermos bottle for treatment. The boiling point of liquid nitrogen is -196°C, and it is highly volatile. It is often lost during treatment. The method usually used by medical personnel is to roll the tip of a cotton swab with cotton wool according to the size of the diseased area on the patient's skin, so that the size of the cotton swab head corresponds to the size of the skin diseased area, and then dip it in liquid nitrogen for freezing;

[0003] After searching, the existing patent (application number: 202110474601.6) discloses a liquid nitrogen cryotherapy pen for dermatological care, including a fixed cylinder and a liquid nitrogen storage cylinder, the fixed cylinder is inserted with a rotating shaft, and a fixed ball is arranged at the front end of the rotating shaft; a mounting bracket is arranged on the end face of the liquid nitrogen storage cylinder facing the fixed cylinder, and a fixed rod is led outward from the center of the mounting bracket, and a spherical cover is arranged at the end of the fixed rod away from the mounting bracket, and the spherical cover is sleeved on the outside of the fixed ball, and a pen holder is arranged at the end of the liquid nitrogen storage cylinder away from the fixed cylinder; the sleeve and the mounting bracket are connected by a movable arm assembly. The present invention solves the problem that the liquid nitrogen cryotherapy pen cannot quickly adjust the position of the pen tip to the skin, which affects the efficiency of skin care. The liquid nitrogen treatment pen is proposed, and the rotating pen holder design is combined with the swingable liquid nitrogen cylinder to achieve the purpose of adjusting the position of the treatment pen in space, maximize the use effect of the liquid nitrogen treatment pen, and improve work efficiency. In the process of realizing the utility model, the inventor found that the prior art has the following problems:

[0004] This type of therapeutic pen strap device has poor functionality, a relatively complex structure, and a relatively large volume, making it inconvenient to carry at any time. At the same time, there is a lack of effective intervention of auxiliary components for the liquid output control and adjustment performance. At the same time, the treatment positioning structure is relatively unclear, and there is still a risk of inaccurate positioning due to visual fatigue;

[0005] Therefore, in view of the above problems, a liquid nitrogen cryotherapy pen for dermatological care is proposed. Utility Model Content

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides a liquid nitrogen cryotherapy pen for dermatological care to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a liquid nitrogen cryotherapy pen for dermatological care, comprising a device body, wherein a liquid nitrogen storage pipeline is connected through the middle part of the internal part of the device body; a sealing port is embedded and connected to one side of the internal part of the liquid nitrogen storage pipeline, a connecting seat is embedded and connected to one side of the device body, a connecting end is fixedly connected to the middle part of the connecting seat, the connecting end, the internal part of the connecting end is fixedly connected with an embedded gear tube, the internal part of the connecting seat is embedded and connected with a nested connecting tube, the other side of the connecting end is fixedly connected with a connecting liquid outlet, the other side of the connecting liquid outlet is fixedly connected with a pen tip threaded rod, the other side of the pen tip threaded rod is fixedly connected with a pen tip connecting buckle, the internal part of the pen tip connecting buckle is movably connected with a pen tip, the surface of the pen tip threaded rod is embedded and connected with a hollow lampshade, and one side of the hollow lampshade is fixedly connected with an external positioning lamp tube.

[0008] Preferably, sealing plates are fixedly connected to both sides of the sealing opening.

[0009] Preferably, an external positioning lamp tube is fixedly connected to the interior of the hollow lampshade.

[0010] Preferably, the bottom outer wall of the sealing port is connected to the top of the nested connecting tube to form a left-right structure, and the outer wall of the nested connecting tube is embedded in the inner wall of the connecting seat to form a nested structure.

[0011] Preferably, the device body, the connecting end and the pen tip are arranged in sequence on the left and right, and are connected by a connecting seat and a pen tip threaded rod to form an assembly connection structure.

[0012] Preferably, the external positioning lamp tube is in the shape of a hollow cylinder, and the hollow portion is connected to the outer wall of the pen tip threaded rod.

[0013] Preferably, one side of the surface of the sealing plate is tightly fitted to the inner wall of the liquid nitrogen storage pipeline.

[0014] Preferably, the external positioning light tube is an embedded structure and is nested and distributed on the surface of the pen tip to form a hollow nested structure.

[0015] Technical effects and advantages of the utility model:

[0016] Compared with the prior art, when this type of liquid nitrogen cryotherapy pen for dermatological care is in use, the connecting seat connects the connecting end and the device body to form a connection flow to the liquid nitrogen storage pipeline, and the connecting liquid outlet end on the other side of the connecting end is connected and circulated through the pen tip threaded rod, and then the liquid discharge treatment is performed through the pen tip, and the pen tip is fixed and limited by the pen tip connecting buckle to form a form like a "writing pen" to control the liquid discharge. At the same time, there is an embedded gear tube inside the connecting end, and a nested connecting tube is movably embedded inside to form an overlapping nested structure, and the sealing port is used to push and control the effective intervention of its liquid discharge volume, and a hollow lampshade is nested on the surface of the pen tip threaded rod to form an external surrounding lighting positioning effect for the pen tip, so as to improve the contact accuracy between the pen tip and the treated skin and improve the convenience and practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0018] Figure 2 It is a schematic diagram of the overall pen tip structure of the utility model.

[0019] Figure 3 It is a structural schematic diagram of the front view of the connection end of the entire utility model.

[0020] Figure 4 It is a schematic diagram of the overall sealing port structure of the utility model.

[0021] The accompanying drawings are marked as follows: 1. device body; 2. liquid nitrogen storage pipeline; 3. connecting end; 4. supporting block; 5. connecting liquid outlet end; 6. pen tip; 7. pen tip threaded rod; 8. pen tip connecting buckle; 9. external positioning lamp tube; 10. hollow lampshade; 11. embedded gear tube; 12. nested connecting tube; 13. connecting seat; 14. sealing port; 15. sealing plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Embodiment 1

[0024] As attached Figure 1-4A liquid nitrogen cryotherapy pen for dermatological care shown in the figure comprises a device body 1, wherein a liquid nitrogen storage pipe 2 is connected through the middle part of the internal part of the device body 1; a sealing port 14 is embedded and connected to one side of the internal part of the liquid nitrogen storage pipe 2, a connecting seat 13 is embedded and connected to one side of the device body 1, a connecting end 3 is fixedly connected to the middle part of the connecting seat 13, support blocks 4 are fixedly connected to the two sides of the surface of the connecting end 3, an embedded gear tube 11 is fixedly connected to the inside of the connecting end 3, a nested connecting pipe 12 is embedded and connected to the inside of the connecting seat 13, a liquid outlet end 5 is fixedly connected to the other side of the connecting end 3, a pen tip threaded rod 7 is fixedly connected to the other side of the liquid outlet end 5, a pen tip connecting buckle 8 is fixedly connected to the other side of the pen tip threaded rod 7, a pen tip connecting buckle 8 is movably connected to the inside of the pen tip connecting buckle 8, a hollow lampshade 10 is embedded and connected to the surface of the pen tip threaded rod 7, an external positioning lamp tube 9 is fixedly connected to one side of the hollow lampshade 10, and sealing plates 15 are fixedly connected to the two sides of the sealing port 14.

[0025] Among them: the connecting seat 13 connects the connecting end 3 and the device body 1, forming a connection and circulation with the liquid nitrogen storage pipeline 2, and the connecting liquid outlet end 5 on the other side of the connecting end 3 is connected and circulated through the pen tip threaded rod 7, and then the liquid discharge treatment is performed through the pen tip 6, and the pen tip 6 is fixed and limited by the pen tip connecting buckle 8, forming a form of "writing pen" to control the liquid discharge, and at the same time, there is an embedded gear tube 11 inside the connecting end 3, and a nested connecting tube 12 is movably embedded inside to form an overlapping nested structure, and the sealing port 14 is used to push and control the effective intervention of its liquid discharge volume, and a hollow lampshade 10 is nested on the surface of the pen tip threaded rod 7 to form an external surrounding lighting positioning effect for the pen tip 6, so as to improve the contact accuracy of the pen tip 6 with the treated skin and improve the convenience and practicality of the device.

[0026] Embodiment 2

[0027] Based on the first embodiment, the solution in the first embodiment is further detailed in combination with the following specific working method, as described below:

[0028] like Figure 2 As shown, as a preferred embodiment; the interior of the hollow lampshade 10 is fixedly connected to an external positioning lamp tube 9. Further, the external positioning lamp tube 9 is effectively aligned with the skin treatment area to form an auxiliary positioning effect.

[0029] The working process of the utility model is as follows:

[0030] When the liquid nitrogen cryotherapy pen for dermatological care is in use, the connecting seat 13 connects the connecting end 3 and the device body 1 to form a connection and circulation with the liquid nitrogen storage pipeline 2, and the connecting liquid outlet end 5 on the other side of the connecting end 3 is connected and circulated through the pen tip threaded rod 7, and then the liquid is discharged through the pen tip 6 for treatment, and the pen tip 6 is fixed and limited by the pen tip connecting buckle 8 to form a form of "writing pen" to control the liquid discharge, and at the same time, there is an embedded gear tube 11 inside the connecting end 3, and a nested connecting tube 12 is movably embedded inside to form an overlapping nested structure, and the sealing port 14 is used to push and control the effective intervention of its liquid discharge volume, and a hollow lampshade 10 is nested on the surface of the pen tip threaded rod 7 to form an external surrounding lighting positioning effect for the pen tip 6, so as to improve the contact accuracy of the pen tip 6 with the treated skin and improve the convenience and practicality of the device. This is the working process and working principle of the device.

[0031] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0032] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0033] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A liquid nitrogen cryotherapy pen for dermatological care, comprising a device body (1), characterized in that: A liquid nitrogen storage pipeline (2) is connected through the middle portion of the interior of the device body (1); A sealing port (14) is embedded and connected to one side of the interior of the liquid nitrogen storage pipeline (2); a connecting seat (13) is embedded and connected to one side of the device body (1); a connecting end (3) is fixedly connected to the middle part of the connecting seat (13); support blocks (4) are fixedly connected to both sides of the surface of the connecting end (3); an embedded gear tube (11) is fixedly connected to the interior of the connecting end (3); a nested connecting tube (12) is embedded and connected to the interior of the connecting seat (13); a connecting liquid outlet (5) is fixedly connected to the other side of the connecting end (3); a pen tip threaded rod (7) is fixedly connected to the other side of the connecting liquid outlet (5); a pen tip connecting buckle (8) is fixedly connected to the other side of the pen tip threaded rod (7); a pen tip (6) is movably connected to the interior of the pen tip connecting buckle (8); a hollow lampshade (10) is nested and connected to the surface of the pen tip threaded rod (7); and an external positioning lamp tube (9) is fixedly connected to one side of the hollow lampshade (10).

2. The liquid nitrogen cryotherapy pen for dermatological care according to claim 1, characterized in that: Sealing plates (15) are fixedly connected to both sides of the sealing opening (14).

3. The liquid nitrogen cryotherapy pen for dermatological care according to claim 1, characterized in that: An external positioning lamp tube (9) is fixedly connected inside the hollow lampshade (10).

4. The liquid nitrogen cryotherapy pen for dermatological care according to claim 1, characterized in that: The bottom outer wall of the sealing opening (14) is connected to the top of the nested connecting pipe (12) to form a left-right sequential structure, and the outer wall of the nested connecting pipe (12) is embedded in the inner wall of the connecting seat (13) to form a nested structure.

5. The liquid nitrogen cryotherapy pen for dermatological care according to claim 1, characterized in that: The device body (1), the connection end (3) and the pen tip (6) are arranged in sequence on the left and right, and are connected by a connection seat (13) and a pen tip threaded rod (7) to form an assembly connection structure.

6. The liquid nitrogen cryotherapy pen for dermatological care according to claim 1, characterized in that: The external positioning lamp tube (9) is in the form of a hollow cylinder, and the hollow portion is connected to the outer wall of the pen tip threaded rod (7).

7. The liquid nitrogen cryotherapy pen for dermatological care according to claim 2, characterized in that: One side of the surface of the sealing plate (15) is tightly fitted to the inner wall of the liquid nitrogen storage pipe (2).

8. The liquid nitrogen cryotherapy pen for dermatological care according to claim 3, characterized in that: The external positioning light tube (9) is in an embedded structure and is nested and distributed on the surface of the pen tip (6) to form a hollow nested structure.

Citation Information

Patent Citations

  • Liquid nitrogen cryotherapy pen for dermatological nursing

    CN113100910A