CN108514445B - A freezing rifle for pricking formula cryotherapy - Google Patents
A freezing rifle for pricking formula cryotherapy Download PDFInfo
- Publication number
- CN108514445B CN108514445B CN201810288846.8A CN201810288846A CN108514445B CN 108514445 B CN108514445 B CN 108514445B CN 201810288846 A CN201810288846 A CN 201810288846A CN 108514445 B CN108514445 B CN 108514445B
- Authority
- CN
- China
- Prior art keywords
- freezing
- storage container
- head
- liquid storage
- needle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00005—Cooling or heating of the probe or tissue immediately surrounding the probe
- A61B2018/00011—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids
- A61B2018/00023—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids closed, i.e. without wound contact by the fluid
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
- A61B2018/0212—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques using an instrument inserted into a body lumen, e.g. catheter
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
- A61B2018/0293—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques using an instrument interstitially inserted into the body, e.g. needle
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Otolaryngology (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention relates to a freezing gun for puncture cryotherapy, which comprises a shell, a hydraulic transmission mechanism, a liquid storage container, a button and a plurality of freezing heads. One end of the hydraulic transmission mechanism is connected with the button, the other end of the hydraulic transmission mechanism is connected with the liquid storage container, and the pushing force of a needle head on the liquid storage container is effectively increased and smoothly penetrated by pressing the button. The freezing head is arranged at the front end of the liquid storage container and used for mounting a needle, a liquid conduction device is arranged at one end for mounting the needle, when the needle is mounted, the interior of the freezing head is in a conduction state, and low-temperature liquid in the liquid storage container flows into the needle through the freezing head; when the needle head is not installed, the interior of the freezing head is in a closed state. The invention is suitable for the freezing treatment or injection of a large-area irregular-shaped focal area, and the number and the positions of the cold needles can be adjusted according to the shape and the size of the area, so that the freezing treatment is more accurate and efficient, and the doctor-patient experience is also effectively improved.
Description
Technical Field
The invention relates to a freezing gun for puncture cryotherapy, and belongs to the technical field of puncture cryotherapy treatment equipment.
Background
The cryotherapy is a therapeutic method for controllably destroying or excising living tissue by freezing local tissues, and a cryogen may be applied to a treatment site during the treatment, or a metal freezing portion may be used to contact or penetrate the local tissues. In the clinical treatment and beauty industry of burn scars, the use rate of cryotherapy is gradually increased in recent years due to simple operation, obvious curative effect and no greater risk.
The utility model with the authorization notice number of CN 201235000Y discloses a liquid nitrogen therapeutic apparatus with simple structure and convenient use, and the purpose is to spray liquid nitrogen to the freezing head of the front end or spray the focus through simple piston compression, so as to achieve the purpose of contact type freezing. The utility model with the publication number of CN 206896446U also discloses a handheld liquid nitrogen therapeutic apparatus, which aims to make the one-handed operation simple and convenient to freeze, and is also a contact type freezing. The two therapeutic apparatuses are convenient to operate in a contact type freezing mode, but the shapes of diseased areas cannot be accurately positioned, the freezing time is difficult to control, and tissues are easily frostbitten when liquid nitrogen is sprayed when the diseased areas are large in area and irregular in shape.
In recent years, relevant research at home and abroad shows that the piercing type freezing becomes a new and developing freezing means and way with the advantages of high-efficiency freezing, more accurate positioning and the like. Most of the existing acupuncture cryotherapy adopts the action mode of combining acupuncture therapy and cryotherapy, and adopts semiconductor refrigeration to achieve the aim of refrigeration. For example, the patent application with the application publication number of CN 104434507 discloses an electronic cold acupuncture therapeutic apparatus, which uses a semiconductor refrigerator to refrigerate the needle body, so as to continuously cool the acupuncture needle during the refrigeration process, and is more convenient for the patient with a small area. The electronic cold acupuncture therapeutic apparatus has the disadvantages that the structure of the semiconductor refrigerator is relatively complex, and one acupuncture needle needs to be matched with one semiconductor refrigerator;
when the cold needle therapeutic apparatus is applied to a large-area irregular diseased area, a plurality of cold needles are difficult to control simultaneously and accurately, and the plurality of cold needle therapeutic apparatuses are difficult to keep synchronization in the aspect of freezing time, so that the treatment efficiency is influenced.
In addition, the speed of the metal freezing part penetrating into the affected area is difficult to control by adopting the penetrating type cryotherapy, for example, in the treatment of target tissues with high toughness and hardness, such as scar treatment, the strength is difficult to grasp, and patients often feel uncomfortable due to the needle insertion.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a freezing gun for the puncture cryotherapy, which can be used for puncture freezing of large-area irregular focal areas and is convenient for doctors to operate.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a freezing gun for puncture type cryotherapy comprises a shell, a hydraulic transmission mechanism, a liquid storage container, a button and a plurality of freezing heads,
the shell is provided with a cylindrical opening part and a button supporting part, the wall of the cylindrical opening part is provided with through holes corresponding to each other up and down,
the hydraulic transmission mechanism comprises a large piston pair and a small piston pair which are fixed in the shell and are connected and communicated through a hose, the large piston pair is connected with the liquid storage container through a first piston push rod, the small piston pair is connected with the button through a second piston push rod,
the liquid storage container is used for storing low-temperature liquid, is arranged in the cylindrical opening part and can slide along the inner wall of the cylindrical opening part, the front end of the liquid storage container is a freezing head mounting panel with a plurality of small holes, the bottom of the liquid storage container is provided with a liquid inflow port and a liquid outflow port, two short rods are symmetrically and fixedly connected to the back of the liquid storage container, the end parts of the short rods respectively penetrate through the through holes, the axial length of the through holes along the cylindrical opening part is greater than the outer diameter of the short rods,
the button is mounted on a button support portion,
the freezing head is correspondingly arranged in each small hole, the structure of the freezing head is a hollow pipe, the diameter of the hollow pipe is slightly smaller than that of a needle head which is matched and connected, one end of the freezing head, which is provided with the needle head, is provided with a liquid conducting device, when the needle head is arranged, the inside of the freezing head is in a conducting state, and low-temperature liquid in the liquid storage container flows into the needle head through the freezing head; when the needle head is not installed, the interior of the freezing head is in a closed state.
Further, in order to facilitate the stable installation of the freezing head in the small hole of the freezing head installation panel, the hole wall of the small hole is of a threaded structure, and one end of the freezing head connection small hole is provided with a matched external thread.
Further, as a preferable mode, the liquid conducting device comprises two groups of cylindrical mounting grooves, baffle plates and pressure springs which are mounted in the grooves,
the two groups of mounting grooves are distributed in a vertically staggered manner, the mounting grooves penetrate through the pipe wall at one side of the freezing head from outside to inside along the radial direction and extend to the pipe wall which is not penetrated at the opposite side,
the shape of the baffle is matched with that of the mounting groove, the length of the baffle is smaller than that of the radial groove and can move in the radial groove, the front end of the baffle is a spherical part, a round hole is arranged on the baffle, one end of the pressure spring is pressed against the tail part of the baffle, the other end of the pressure spring is pressed against the wall of the tube which is not through,
under the natural state of pressure spring, the spherical portion stretches out outside the pipe wall of freezing head, and two round holes equidistance are crisscross skew axis, and two sets of baffles are sealed freezing head inside totally, and when bulb portion pressurized withdrawal mounting groove, two round holes coincide in axis department, and freezing head inside switches on in round hole department.
Furthermore, the freezing head mounting panel at the front end of the liquid storage container is in threaded connection with the bottom of the liquid storage container. Therefore, the interior of the container and the freezing head mounting panel can be conveniently cleaned, and the freezing head mounting panel can be replaced according to the requirement.
Further, in order to operate comfortably and to facilitate the pressing of the button, the housing has an inverted L-shape in appearance, and the button support is located below the cylindrical opening.
Further, according to the pushing distance of a cold needle on the freezing head mounting panel, the maximum sliding distance of the short rod in the through hole is 5 mm.
Further, preferably, the cylindrical opening portion of the housing and the reservoir are both cylindrical.
Further, in order to save materials and reasonably utilize the existing equipment, the large piston pair and the small piston pair are both of injector structures, and the first piston push rod and the second piston push rod are injector piston core rods.
Further, the cryogenic liquid in the reservoir is liquid nitrogen.
Further, in order to improve the pressing comfort, the outer surface of the button is wavy.
The working principle of the invention is that the push button connected with the small piston pair is pressed by utilizing the principle of the communicating vessel, and the effective increase of the needle thrust on the liquid storage container can be realized. The cylindrical opening part of the shell plays a role in supporting and positioning, and the liquid storage container connected with the large piston pair can slide stably in the cylindrical opening part, so that the needle can be slowly and laborsavingly inserted. The liquid inflow port and the liquid outflow port of the liquid storage container are used for being connected with a low-temperature cold source system through hoses to realize the inflow and outflow of low-temperature freezing liquid so as to ensure that the temperature in the container is kept at a constant low-temperature value. The short rod at the back of the liquid storage container plays a role in stroke positioning and can realize the resetting of the needle by pushing the short rod after freezing is finished. Freezing a plurality of freezing heads that set up on the first installation panel of freezing, freezing head are convenient for install a plurality of syringe needles simultaneously according to the shape and the size in disease district to can assist the effect of injection, liquid switches on the device and makes freezing first inside switch on after the installation syringe needle, and the region of not installing then can realize sealing, reaches accurate cryotherapy. After the needle head is sleeved on the freezing head, the spherical part of the baffle is compressed, the baffle slides in the radial groove, the round holes on the two baffles are overlapped to realize conduction, and liquid can enter. And the injection head which is not sleeved with the needle is under the action of the pressure spring, the round holes of the two baffles are staggered, so that the hollow tube of the freezing head is sealed, and the purpose of sleeving the corresponding array needles as required is realized.
When in use, a user roughly estimates the position of the required freezing head according to the shape and the size of a focus or a target area, installs the special disposable needle with the closed front end at the corresponding position, and switches on the freezing head with the needle. After the low-temperature cold source system is connected, a switch of the low-temperature cold source system is opened to introduce the low-temperature liquid into the liquid storage container and the needle. The user aims at the focus with front end syringe needle installation panel, presses the button, pierces the focus with the syringe needle through hydraulic drive and freezes, when the focus region reaches obvious white, extracts the syringe needle to reset it, wait for next time to freeze.
In summary, compared with the prior art, the invention has the beneficial effects that:
1. the invention is suitable for the freezing treatment or injection of large-area irregular-shaped focal areas, and the number and the positions of the cold needles can be adjusted according to the shape and the size of the areas, so that the freezing treatment is more accurate and efficient.
2. The stable and labor-saving operation is realized, the puncture type freezing is more moderate and efficient, the freezing treatment efficiency is improved, and the doctor-patient experience is improved.
3. The invention comprehensively considers the advantages and values of the puncture type refrigeration and the defects of the contact type refrigeration, and is also suitable for other application scenes needing to be inserted, in particular for burn scar treatment and clinical application in the beauty industry.
Drawings
Fig. 1 is a cross-sectional view of a preferred embodiment of the present invention.
Fig. 2 is a right side view of a preferred embodiment of the present invention.
Fig. 3 is a schematic view showing the connection of the back of the reservoir to the short bar in accordance with a preferred embodiment of the present invention.
Fig. 4 is a side view showing the connection of the back of the reservoir to the short bar in accordance with a preferred embodiment of the present invention.
Figure 5 is a schematic view of a freezer head mounting panel in accordance with a preferred embodiment of the present invention.
Figure 6 is a front view of a freezing head in a preferred embodiment of the present invention.
Figure 7 is a side view of a freezing head in a preferred embodiment of the present invention.
Figure 8 is a longitudinal cross-sectional view of a freezing head taken along the axis in a preferred embodiment of the present invention.
Figure 9 is a cross-sectional view of a preferred embodiment of the invention with the freezing head at the radial slot location.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples. The objects, aspects and advantages of the present invention will become more apparent from the following description. It should be understood that the described embodiments are preferred embodiments of the invention, and not all embodiments.
Referring to fig. 1 and 2, a cryogun for piercing cryotherapy includes a housing 1, a hydraulic actuator, a reservoir 2, a button 3, and a plurality of cryotips 9. The housing 1 has a cylindrical opening 1a and a button support 1b, and a wall of the cylindrical opening 1a has a through hole 1c formed therein, the through hole 1c being adapted to receive a short rod 11 at the back of the liquid reservoir 2. In order to operate comfortably and to facilitate the pressing of the button, the housing 1 has an inverted L-shape in external shape, and the button supporting portion 1b is located below the cylindrical opening portion 1 a.
The hydraulic transmission mechanism comprises a large piston pair 5 and a small piston pair 6 which are fixed in the shell 1 and are connected and communicated through a hose 7, the large piston pair 5 is connected with the liquid storage container 2 through a first piston push rod 5a, and the small piston pair 6 is connected with the button 3 through a second piston push rod 6 a. In order to save materials and reasonably utilize the existing equipment, the large piston pair 5 and the small piston pair 6 are preferably of syringe structures, and the first piston push rod 5a and the second piston push rod 6a are syringe piston core rods.
Referring to fig. 3 and 4, the liquid storage container 2 for storing a low-temperature liquid is installed in the cylindrical opening portion 1a and is slidable along the inner wall thereof. The cryogenic liquid in the reservoir 2 is preferably liquid nitrogen.
As shown in fig. 5, the front end of the liquid reservoir 2 is a freezing head mounting panel 8 having a plurality of small holes 8a, and the bottom of the liquid reservoir has a liquid inflow port 2a and a liquid outflow port 2b as shown in fig. 3. Referring to fig. 1 and 4, the liquid reservoir 2 is preferably cylindrical, and the freezing head mounting panel 8 at the front end thereof is screwed to the bottom of the liquid reservoir, and in this case, the cylindrical opening 1a is also cylindrical. Two short rods 11 are symmetrically fixed to the back of the liquid storage container, the ends of the short rods respectively penetrate through the through holes 1c in fig. 1, and the axial length of the through holes 1c along the cylindrical opening part is larger than the outer diameter of the short rods, so that the short rods can move in the through holes along the axial direction. The maximum sliding distance of the short bar 11 in the through hole 1c is preferably 5 mm. The button 3 is mounted on the button support 1 b. The outer surface of the button 3 is preferably wave-shaped.
Referring to fig. 2, the freezing heads 9 are correspondingly installed in the respective small holes 8 a. Referring to fig. 8, the freezing head is a hollow tube, the diameter of which is slightly smaller than the needle 10 connected in a matching way, a liquid conducting device 4 is arranged at the end of the freezing head 9 where the needle is installed, when the needle is installed, the inside of the freezing head is in a conducting state, and the low-temperature liquid in the liquid storage container 2 flows into the needle through the freezing head; when the needle head is not installed, the interior of the freezing head is in a closed state.
Preferably, the hole wall of the small hole 8a is a thread structure, and with reference to fig. 6 and 7, one end of the freezing head 9 connected with the small hole is provided with a matched external thread 9 a.
Referring to fig. 8 and 9, the liquid conducting device 4 includes two sets of cylindrical mounting grooves 9b, a baffle 12 and a compression spring 13. The two groups of mounting grooves 9b are distributed in a vertically staggered manner, the opening ends of the mounting grooves 9b are staggered at two sides of the tube wall of the freezing head, and the mounting grooves 9b penetrate through the tube wall at one side of the freezing head 9 from outside to inside along the radial direction and extend to the tube wall at the opposite side which is not penetrated.
The shape of the baffle 12 is matched with the installation groove 9b, the length of the baffle 12 is smaller than that of the radial groove and can move in the radial groove, the front end of the baffle 12 is a spherical part 12a, a round hole 12b is formed in the baffle 12, one end of the pressure spring 13 is pressed on the tail part of the baffle, and the other end of the pressure spring is pressed on the wall of the pipe which is not through. The position of the circular hole 12b is such that,
under the natural state of the pressure spring, the spherical part 12a extends out of the pipe wall of the freezing head, the two round holes 12b are staggered at equal intervals and deviate from the axis, the two groups of baffles completely seal the interior of the freezing head, and low-temperature liquid cannot enter the needle head 10 on the freezing head. After the needle head is arranged on the freezing head, the ball head part is pressed to retract into the installation groove, the two round holes are overlapped at the axis of the freezing head, the inside of the freezing head is communicated at the round hole 12b, and the low-temperature liquid in the liquid storage container flows into the needle head through the freezing head.
The working principle of the invention is that the push button 3 connected with the small piston pair 6 is pressed by utilizing the principle of the communicating vessel, thereby effectively increasing the needle thrust on the liquid storage container. The cylindrical opening 1a of the housing has supporting and positioning functions, and the liquid storage container 2 connected with the large piston pair can slide smoothly in the cylindrical opening, so that the needle can be slowly and laborsavingly inserted. The liquid inlet and outlet of the liquid storage container 2 are connected with a low-temperature cold source system (not shown) outside the freezing gun through connecting pipes (not shown), so as to realize the inlet and outlet of the low-temperature freezing liquid, and ensure that the temperature in the container is kept at a constant low temperature value. The short rod 11 at the back of the reservoir 2 serves as stroke positioning and enables needle repositioning by pushing the short rod after freezing has been completed. Freezing first 9 that set up on the installation panel of head, freezing head are convenient for install a plurality of syringe needles 10 simultaneously according to the shape and the size in disease district to can assist the effect of injection, liquid switches on the device and makes freezing first inside switch on after the installation syringe needle, and the region of not installing then can realize sealing, reaches accurate cryotherapy. After the needle head is sleeved on the freezing head, the spherical part 12a of the baffle 12 is compressed, the baffle slides to the radial groove 9b, the round holes 12b on the two baffles are overlapped to realize conduction, and liquid can enter. And the injection head without the sleeved needle is under the action of the pressure spring 13, the round holes of the two baffles are staggered, so that the hollow tube of the freezing head is sealed, and the purpose of sleeving the corresponding array needle according to the requirement is realized.
When in use, a user roughly estimates the position of the required freezing head according to the shape and the size of a focus or a target area, installs the special disposable needle with the closed front end at the corresponding position, and switches on the freezing head with the needle. After the low-temperature cold source system is connected, a switch of the low-temperature cold source system is opened to introduce the low-temperature liquid into the liquid storage container and the needle. The user aims at the focus with front end syringe needle installation panel, presses the button, pierces the focus with the syringe needle through hydraulic drive and freezes, when the focus region reaches obvious white, extracts the syringe needle to reset it, wait for next time to freeze.
It should be noted that the hydraulic transmission mechanism in the present invention is for realizing a slower transmission mode, and improving the experience of doctors and patients. Without considering this factor, the mounting structure between the reservoir, the freezing point and the needle can still be effectively matched with other mechanical transmission modes such as spring ejection mode.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, and it is obvious that any person skilled in the art can easily conceive of alternative or modified embodiments based on the above embodiments and these should be covered by the present invention.
Claims (9)
1. A cryogun for penetrating cryotherapy, comprising: it comprises a shell (1), a hydraulic transmission mechanism, a liquid storage container (2), a button (3) and a plurality of freezing heads (9),
the shell (1) is provided with a cylindrical opening part (1a) and a button supporting part (1b), the shell wall of the cylindrical opening part (1a) is provided with through holes (1c) which correspond up and down,
the hydraulic transmission mechanism comprises a large piston pair (5) and a small piston pair (6) which are fixed in a shell (1) and are connected and communicated through a hose (7), the large piston pair (5) is connected with a liquid storage container (2) through a first piston push rod (5a), the small piston pair (6) is connected with a button (3) through a second piston push rod (6a),
the liquid storage container (2) is used for storing low-temperature liquid, is arranged in a cylindrical opening part (1a) and can slide along the inner wall of the cylindrical opening part, the front end of the liquid storage container (2) is provided with a freezing head mounting panel (8) with a plurality of small holes (8a), the bottom of the liquid storage container is provided with a liquid inflow port (2a) and a liquid outflow port (2b), the back of the liquid storage container is symmetrically and fixedly connected with two short rods (11), the end parts of the short rods respectively penetrate out of a through hole (1c), the axial length of the through hole (1c) along the cylindrical opening part is larger than the outer diameter of the short rods,
the button (3) is arranged on the button supporting part (1b),
the freezing head (9) is correspondingly arranged in each small hole (8a), the freezing head is a hollow tube, the diameter of the freezing head is slightly smaller than that of a needle (10) which is matched and connected, a liquid conducting device (4) is arranged at one end of the freezing head (9) where the needle is arranged, when the needle is arranged, the inside of the freezing head is in a conducting state, and low-temperature liquid in the liquid storage container (2) flows into the needle through the freezing head; when the needle head is not installed, the interior of the freezing head is in a closed state,
the liquid conducting device (4) comprises two groups of cylindrical mounting grooves (9b), a baffle plate (12) and a pressure spring (13) which are mounted in the grooves,
two groups of mounting grooves (9b) are distributed in a vertically staggered manner, the mounting grooves penetrate through the pipe wall at one side of the freezing head from outside to inside along the radial direction and extend to the pipe wall which is not penetrated at the opposite side,
the shape of the baffle (12) is matched with the mounting groove (9b), the length of the baffle is less than that of the radial groove and can move in the radial groove, the front end of the baffle is a spherical part (12a), the baffle is provided with a round hole (12b), one end of the pressure spring (13) is pressed on the tail part of the baffle, the other end is pressed on the wall of the tube which is not through,
under the natural state of pressure spring, spherical portion (12a) stretches out outside the pipe wall of freezing head, and two round holes equidistance are crisscross the skew axis, and two sets of baffles are with freezing head inside complete closure, and in ball head portion pressurized withdrawal mounting groove, two round holes coincide in axis department, and freezing head inside switches on in round hole department.
2. A cryogun for stab cryotherapy according to claim 1, wherein:
the hole wall of the small hole (8a) is of a threaded structure, and one end of the freezing head (9) connected with the small hole is provided with a matched external thread (9 a).
3. A cryogun for stab cryotherapy according to claim 1, wherein:
the freezing head mounting panel (8) at the front end of the liquid storage container is in threaded connection with the bottom of the liquid storage container.
4. A cryogun for stab cryotherapy according to claim 1, wherein:
the shell (1) is in an inverted L shape, and the button supporting part (1b) is positioned below the cylindrical opening part (1 a).
5. A cryogun for stab cryotherapy according to claim 1, wherein:
the maximum sliding distance of the short rod (11) in the through hole (1c) is 5 mm.
6. A cryogun for stab cryotherapy according to claim 1, wherein:
the cylindrical opening (1a) of the housing (1) and the liquid storage container (2) are both cylindrical.
7. A cryogun for stab cryotherapy according to claim 1, wherein:
the large piston pair (5) and the small piston pair (6) are both of injector structures, and the first piston push rod (5a) and the second piston push rod (6a) are injector piston core rods.
8. A cryogun for stab cryotherapy according to claim 1, wherein:
the low-temperature liquid in the liquid storage container (2) is liquid nitrogen.
9. A cryogun for stab cryotherapy according to claim 1, wherein:
the outer surface of the button (3) is wave-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810288846.8A CN108514445B (en) | 2018-04-03 | 2018-04-03 | A freezing rifle for pricking formula cryotherapy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810288846.8A CN108514445B (en) | 2018-04-03 | 2018-04-03 | A freezing rifle for pricking formula cryotherapy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108514445A CN108514445A (en) | 2018-09-11 |
| CN108514445B true CN108514445B (en) | 2021-02-19 |
Family
ID=63431700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810288846.8A Active CN108514445B (en) | 2018-04-03 | 2018-04-03 | A freezing rifle for pricking formula cryotherapy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108514445B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111481286B (en) * | 2020-04-23 | 2021-03-23 | 中国人民解放军陆军特色医学中心 | Wart body freezing device |
| CN111493947B (en) * | 2020-04-27 | 2022-02-08 | 厦门理工学院 | Craniocerebral operation creating and communicating device and equipment |
| CN112618000B (en) * | 2021-01-25 | 2022-06-24 | 南京汉尔斯生物科技有限公司 | Cryotherapy device capable of automatically replacing therapy head |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2739072A1 (en) * | 2008-04-01 | 2009-12-03 | The General Hospital Corporation | Method and apparatus for cooling biological tissue |
| KR100943089B1 (en) * | 2009-01-23 | 2010-02-18 | 강동환 | Handpiece for treating skin |
| US20110009748A1 (en) * | 2009-06-11 | 2011-01-13 | Galil Medical Ltd. | Transperineal prostate biopsy system and methods |
| US20180161091A9 (en) * | 2014-10-21 | 2018-06-14 | Wendy Epstein | Radio frequency handpiece for medical treatments |
| CN104434507B (en) * | 2014-12-28 | 2017-01-11 | 上海中医药大学附属曙光医院 | Electronic cold acupuncture therapeutic instrument |
| CN204723170U (en) * | 2015-05-15 | 2015-10-28 | 上海交通大学 | A kind of cryoablation needle women's head-ornaments plate of liquid nitrogen therapeutic equipment |
| CN104936370B (en) * | 2015-06-16 | 2017-07-11 | 上海交通大学 | Atmos low-temperature plasma jet array adjustable device |
| KR101741012B1 (en) * | 2015-10-20 | 2017-05-30 | (주)쉬엔비 | Multi needle module of adjustable needle length and method of needle length adjusting by the same |
| CN205493994U (en) * | 2015-12-04 | 2016-08-24 | 常州瑞海英诺医疗科技有限公司 | Treatment rifle |
| CN105396205A (en) * | 2015-12-10 | 2016-03-16 | 厦门波耐模型设计有限责任公司 | Multi-pin syringe needle |
| CN206896446U (en) * | 2016-12-22 | 2018-01-19 | 刘华志 | A kind of hand-held liquid nitrogen therapeutic equipment |
| CN107224324A (en) * | 2017-06-30 | 2017-10-03 | 南京律智诚专利技术开发有限公司 | A kind of new array microwave melt needle |
-
2018
- 2018-04-03 CN CN201810288846.8A patent/CN108514445B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108514445A (en) | 2018-09-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108514445B (en) | A freezing rifle for pricking formula cryotherapy | |
| US9408655B2 (en) | Cryoablation apparatus with enhanced heat exchange area and related method | |
| CN101522106A (en) | Cryogenic probe for treating enlarged volume of tissue | |
| CN1927130A (en) | Filling type beaming controllable explorer | |
| CN101396299A (en) | Dewar integrated low-temperature operation device coupled with celioscope | |
| CN107928864A (en) | A kind of low temperature cold therapy system | |
| CN107582381A (en) | A kind of new gun-type electric fire needle | |
| CN108742825B (en) | Device for minimally invasive compound treatment and multifunctional surgical needle set thereof | |
| CN105169574B (en) | A kind of ultrasonic wave cold freeze-thaw fat equipment | |
| CN213190035U (en) | Shapeable cryoablation pen | |
| CN2910139Y (en) | Cold circulation electrode | |
| WO2023083048A1 (en) | Cryoablation needle having j-t double-channel | |
| US20080119840A1 (en) | Ridged Cryoprobe Tip | |
| CN209360881U (en) | Equipment and its SURGICAL NEEDLE THREADING DEVICE group for minimally invasive combination therapy | |
| CN213757999U (en) | Cold water sprayer | |
| CN211355847U (en) | Curved adjustable cryoablation needle | |
| CN114010303A (en) | Cryoablation needle of J-T groove sleeve | |
| CN207785273U (en) | A kind of cryoablation conduit with pusher | |
| CN113116629B (en) | Medical finger nursing device | |
| CN203059894U (en) | Cold and hot probe device for curing tumors | |
| CN219645860U (en) | Flexible multimode ablation needle | |
| CN216318327U (en) | Freezing gun | |
| CN219126657U (en) | Freezing therapeutic device | |
| CN202184795U (en) | Temperature-controllable pen type refrigerator for shape memory alloy | |
| CN202409144U (en) | Treatment probe for tumor refrigeration |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |