Liquid nitrogen cryotherapy spraying device

Abstract

The utility model discloses a liquid nitrogen cryotherapy injection device, which relates to the technical field of liquid nitrogen cryotherapy and comprises a first sealing plug and a second sealing plug, and a first liquid outlet pipe is fixedly mounted at the lower end of the first sealing plug. According to the liquid nitrogen cryotherapy spraying device, through the arrangement of the spraying pipe, the pressing air bag, the second control valve and the like, the second sealing plug is installed on the liquid nitrogen tank, the second liquid outlet pipe enters the interior of the tank body, the first sealing plug is installed in a kettle opening of a heat preservation kettle, the first liquid outlet pipe extends into the heat preservation kettle, then the first control valve is closed, the second control valve is opened, and the liquid nitrogen is sprayed out. A medical worker sucks the liquid nitrogen container by pressing the pressing air bag, so that liquid nitrogen is conveyed into the protection kettle through the connecting hose, and during suction, the worker adjusts the height of the heat preservation kettle and the height of the liquid nitrogen container to form a height difference, so that the connecting hose forms a siphonic effect, the liquid nitrogen is conveniently sucked into the heat preservation kettle, convenience is improved, and the working efficiency is improved. Therefore, treatment work is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of safe ground anchors, in particular to a liquid nitrogen cryotherapy spray device. Background Art

[0002] Many dermatological diseases require liquid nitrogen cryotherapy. Currently, when dermatology nurses perform liquid nitrogen cryotherapy for patients, during the treatment, medical staff generally hold a thermos and install a liquid nitrogen spray gun on the thermos to spray nitrogen for treatment of patients. The overall operation requires lifting the liquid nitrogen tank and pouring the liquid nitrogen into the thermos, and then installing a homemade liquid nitrogen spray gun to use the principle of air compression and expansion to spray for treatment of patients. This operation is time-consuming and labor-intensive for nurses, and it is easy to cause liquid nitrogen to volatilize, which is very inconvenient. Therefore, we propose a liquid nitrogen cryotherapy spray device, which can suck liquid nitrogen into the thermos and can also realize the spray function of liquid nitrogen, so as to facilitate the treatment work. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a liquid nitrogen cryotherapy spray device, which solves the problem that the operation process is time-consuming and labor-intensive for nurses and the liquid nitrogen is easily volatilized, which is very inconvenient.

[0004] To achieve the above objectives, the utility model is implemented through the following technical solutions: a liquid nitrogen cryotherapy spray device, comprising a sealing plug 1 and a sealing plug 2, a liquid outlet pipe 1 is fixedly installed on the lower end of the sealing plug 1, a fixed pipe is fixedly installed on the upper end of the sealing plug 1, a rubber hose is provided at the end of the fixed pipe away from the sealing plug 1, a spray pipe is provided at the upper end of the surface of the fixed pipe, a control valve 1 is provided on the fixed pipe, a suction pipe is provided on the right end of the surface of the fixed pipe, a pressing airbag is provided at the end of the suction pipe away from the fixed pipe, a control valve 2 is provided on the suction pipe, a connecting hose is installed on the right end of the pressing airbag, the end of the connecting hose away from the pressing airbag is fixedly connected to the sealing plug 2, and a liquid outlet pipe 2 is fixedly installed on the lower end of the sealing plug 2.

[0005] Preferably, the sealing plug 1 and the sealing plug 2 are both made of rubber, the cross-sections of the sealing plug 1 and the sealing plug 2 are both trapezoidal structures, the sealing plug 1 is adapted to the mouth of the thermos pot, and the sealing plug 2 is adapted to the mouth of the liquid nitrogen tank.

[0006] Preferably, the first liquid outlet pipe, the fixed pipe, the suction pipe and the second liquid outlet pipe are all metal pipes, and a thin tube is provided at the lower end of the first liquid outlet pipe, and the diameter of the thin tube is smaller than the diameter of the first liquid outlet pipe.

[0007] Preferably, the injection pipe is a metal pipe, and the diameter of the injection pipe is smaller than the diameter of the fixed pipe.

[0008] Preferably, the suction pipe and the fixed pipe are fixedly connected, and the suction pipe and the fixed pipe are designed in a Y-shaped structure.

[0009] Preferably, the control valve 2 and the control valve 1 are both manual valves. Beneficial Effects

[0010] The utility model provides a liquid nitrogen cryotherapy spray device. Compared with the prior art, it has the following beneficial effects:

[0011] The liquid nitrogen cryotherapy spray device is provided with a spray pipe, a pressing airbag and a control valve 2, etc., and a sealing plug 2 is installed on the liquid nitrogen tank so that the liquid outlet pipe 2 enters the interior of the tank body, and a sealing plug 1 is installed in the mouth of the thermos pot, and the liquid outlet pipe 1 extends into the thermos pot, and then the control valve 1 is closed and the control valve 2 is opened. The medical staff presses the pressing airbag to form suction on the liquid nitrogen tank, so that the liquid nitrogen is transported to the protective pot through the connecting hose, and during suction, the staff adjusts the height of the thermos pot and the liquid nitrogen tank to form a height difference, so that the connecting hose forms a siphon effect, which is convenient for sucking the liquid nitrogen into the thermos pot. Finally, during treatment, the medical staff holds the thermos pot to perform treatment operations, opens the control valve 1, and closes the control valve 2. The principle of air compression and expansion is used to make the liquid nitrogen in the thermos pot enter the spray pipe through the liquid outlet pipe 1, which is convenient for treating the patient, and the rubber hose can be attached to the thermos pot. When the staff holds the thermos pot, they can press the rubber hose to realize the control of the opening and closing of the pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0013] Figure 2 This is a schematic diagram of the installation structure of the utility model;

[0014] Figure 3 It is a front view structural schematic diagram of the utility model.

[0015] In the figure: 1. Sealing plug one; 2. Sealing plug two; 3. Liquid outlet pipe one; 31. Thin tube; 4. Fixed tube; 5. Rubber hose; 6. Spray pipe; 7. Control valve one; 8. Suction tube; 9. Pressing airbag; 10. Control valve two; 11. Connecting hose; 12. Liquid outlet pipe two. DETAILED DESCRIPTION

[0016] 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.

[0017] See also Figure 1-3 The utility model provides a technical solution: a liquid nitrogen cryotherapy spray device, including a sealing plug 1 and a sealing plug 2, both of which are made of rubber, and the cross-sections of the sealing plug 1 and the sealing plug 2 are both trapezoidal structures, the sealing plug 1 is adapted to the pot mouth of the thermos pot, and the sealing plug 2 is adapted to the tank mouth of the liquid nitrogen tank, a liquid outlet pipe 3 is fixedly installed at the lower end of the sealing plug 1, a fixed pipe 4 is fixedly installed at the upper end of the sealing plug 1, a rubber hose 5 is arranged at one end of the fixed pipe 4 away from the sealing plug 1, and a spray pipe 6 is arranged at the upper end of the surface of the fixed pipe 4, and the spray pipe 6 is a metal pipe, and the diameter of the spray pipe 6 is smaller than the diameter of the fixed pipe 4 , a control valve 7 is provided on the fixed tube 4, a suction tube 8 is provided on the right end of the surface of the fixed tube 4, the suction tube 8 and the fixed tube 4 are fixedly connected, and the suction tube 8 and the fixed tube 4 are designed in a Y-shaped structure. During treatment, the sealing plug 1 is installed on the mouth of the thermos pot, so that the liquid outlet tube 3 enters the thermos pot, and the medical staff holds the thermos pot and opens the control valve 7. By using the principle of air compression and expansion, the liquid nitrogen in the thermos pot passes through the liquid outlet tube 3 and enters the injection tube 6 to achieve liquid nitrogen injection treatment, and the rubber hose 5 can be attached to the thermos pot. When the staff holds the thermos pot, they can press the rubber hose 5 to control the opening and closing of the pipeline;

[0018] A pressing airbag 9 is arranged at one end of the suction tube 8 away from the fixed tube 4, a control valve 10 is arranged on the suction tube 8, both the control valve 10 and the control valve 17 are manual valves, a connecting hose 11 is installed at the right end of the pressing airbag 9, the end of the connecting hose 11 away from the pressing airbag 9 is fixedly connected to the sealing plug 2, a liquid outlet pipe 2 12 is fixedly installed at the lower end of the sealing plug 2, the liquid outlet pipe 13, the fixed tube 4, the suction tube 8 and the liquid outlet pipe 2 12 are all metal tubes, a thin tube 31 is arranged at the lower end of the liquid outlet pipe 3, the diameter of the thin tube 31 is smaller than the diameter of the liquid outlet pipe 3, and liquid nitrogen needs to be poured into the liquid outlet pipe 3 before treatment. Inject it into the thermos pot, install the sealing plug 2 on the liquid nitrogen tank, so that the liquid outlet pipe 12 enters the interior of the tank, and install the sealing plug 1 in the mouth of the thermos pot, and the liquid outlet pipe 3 extends into the thermos pot, then close the control valve 7, and open the control valve 10. The medical staff presses the airbag 9 to form suction on the liquid nitrogen tank, so that the liquid nitrogen is transported to the protective pot through the connecting hose 11. During suction, the staff adjusts the height of the thermos pot and the liquid nitrogen tank to form a height difference, so that the connecting hose 11 forms a siphon effect, which facilitates the suction of liquid nitrogen into the thermos pot and improves convenience.

[0019] During operation, before treatment, liquid nitrogen needs to be injected into the thermos pot, the sealing plug 2 is installed on the liquid nitrogen tank, so that the liquid outlet pipe 12 enters the tank body, and the sealing plug 1 is installed in the mouth of the thermos pot, and the liquid outlet pipe 3 extends into the thermos pot, and then the control valve 7 is closed, and the control valve 10 is opened. The medical staff presses the airbag 9 to form suction on the liquid nitrogen tank, so that the liquid nitrogen is transported to the protective pot through the connecting hose 11. During suction, the staff adjusts the height of the thermos pot and the liquid nitrogen tank to form a vacuum cleaner. A height difference is formed, so that the connecting hose 11 forms a siphon effect, which facilitates the suction of liquid nitrogen into the thermos pot and improves convenience. When the amount of liquid nitrogen in the thermos pot is sufficient, the control valve 17 is opened and the control valve 2 10 is closed. The principle of air compression and expansion is utilized to allow the liquid nitrogen in the thermos pot to enter the injection pipe 6 through the liquid outlet pipe 13, thereby realizing the injection treatment of liquid nitrogen. The rubber hose 5 can be attached to the thermos pot. When holding the thermos pot, the person can press the rubber hose 5 to control the opening and closing of the pipeline.

[0020] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A liquid nitrogen cryotherapy spray device, comprising a sealing plug 1 (1) and a sealing plug 2 (2), characterized in that: A liquid outlet pipe (3) is fixedly mounted on the lower end of the sealing plug (1), a fixed pipe (4) is fixedly mounted on the upper end of the sealing plug (1), a rubber hose (5) is arranged at one end of the fixed pipe (4) away from the sealing plug (1), a spray pipe (6) is arranged at the upper end of the surface of the fixed pipe (4), a control valve (7) is arranged on the fixed pipe (4), a suction pipe (8) is arranged at the right end of the surface of the fixed pipe (4), a pressing airbag (9) is arranged at one end of the suction pipe (8) away from the fixed pipe (4), a control valve (10) is arranged on the suction pipe (8), a connecting hose (11) is mounted on the right end of the pressing airbag (9), the end of the connecting hose (11) away from the pressing airbag (9) is fixedly connected to the sealing plug (2), and a liquid outlet pipe (12) is fixedly mounted on the lower end of the sealing plug (2).

2. A liquid nitrogen cryotherapy spray device according to claim 1, characterized in that: The sealing plug 1 (1) and the sealing plug 2 (2) are both made of rubber material, and the cross-sections of the sealing plug 1 (1) and the sealing plug 2 (2) are both trapezoidal structures. The sealing plug 1 (1) is adapted to the mouth of a thermos pot, and the sealing plug 2 (2) is adapted to the mouth of a liquid nitrogen tank.

3. A liquid nitrogen cryotherapy spray device according to claim 1, characterized in that: The first liquid outlet pipe (3), the fixed pipe (4), the suction pipe (8) and the second liquid outlet pipe (12) are all metal pipes. A thin pipe (31) is provided at the lower end of the first liquid outlet pipe (3). The diameter of the thin pipe (31) is smaller than the diameter of the first liquid outlet pipe (3).

4. A liquid nitrogen cryotherapy spray device according to claim 1, characterized in that: The injection pipe (6) is a metal pipe, and the diameter of the injection pipe (6) is smaller than the diameter of the fixed pipe (4).

5. The liquid nitrogen cryotherapy spray device according to claim 1, characterized in that: The suction pipe (8) and the fixed pipe (4) are fixedly connected, and the suction pipe (8) and the fixed pipe (4) are designed in a Y-shaped structure.

6. A liquid nitrogen cryotherapy spray device according to claim 1, characterized in that: The control valve 2 (10) and the control valve 1 (7) are both manual valves.

Images