CN208989115U - A kind of return-air heating device with steady temperature function - Google Patents
A kind of return-air heating device with steady temperature function Download PDFInfo
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- CN208989115U CN208989115U CN201820882588.1U CN201820882588U CN208989115U CN 208989115 U CN208989115 U CN 208989115U CN 201820882588 U CN201820882588 U CN 201820882588U CN 208989115 U CN208989115 U CN 208989115U
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- return
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- muffler
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Abstract
The utility model relates to a kind of return-air heating devices with steady temperature function, including air inlet pipe, muffler, sacculus, handle, quick coupling and return-air connector, sacculus is connected proximally by the distal end of delivery pipe and handle, handle is connect with the distal end of air inlet pipe and muffler respectively proximally by adapter, the proximal end of air inlet pipe is connect with quick coupling, and the proximal end of muffler is connect with return-air connector；The utility model improves catheter manipulation flexibility by the way that muffler is external, avoids the loss of freezing energy, realizes the constant of muffler temperature by the way of electric heating film and temperature switch combinatorial regulation to external muffler, gripping sense is good.
Description
Technical field
The utility model relates to cryoablation fields, and in particular to a kind of return-air heating dress with steady temperature function
It sets.
Background technique
Cryoablation is the new technology in terms for the treatment of arrhythmia cordis, and principle is evaporated by the heat absorption of liquid refrigerant,
Tissue heat is taken away, makes the reduction of target ablation spot temperature, the cell tissue of abnormal electro physiology is destroyed, to reduce the rhythm of the heart
Not normal risk.In refrigerating process, conduit return-air part can lead to rapid drop in temperature and tie because of the circulation of cryogenic gas
Frost.
Electric radiant Heating Film is the translucent polyester film that can be generated heat after a kind of energization, by conductive special ink, metal current-carrying
Item is processed, hot pressing is made between insulation polyester film.Using Electric radiant Heating Film as heater when work, heat is sent in the form of radiation
Enter space, electric heating membranous system is made of power supply, temperature controller, connector, insulating layer, Electric radiant Heating Film and finish coat, and power supply connects through conducting wire
Energization hotting mask, converts electrical energy into thermal energy.Since Electric radiant Heating Film is pure resistor element circuit, therefore its high conversion efficiency, except sub-fraction is damaged
It loses (2%), most (98%) is converted to thermal energy.
Application No. is the patents of CN201710816282.6 to disclose a kind of cryoablation conduit and Cryoablation system, institute
Stating cryoablation conduit includes: tube body and freezing unit, and the tube body includes returning along its axially extending cold source inlet chamber, cold source
Air cavity, the freezing unit are arranged in the body distal end part, including with the cold source inlet chamber and the cold source return-air chamber
The first utricule being in fluid communication and the second utricule being arranged in outside first utricule, the length of first utricule are less than described
The length of second utricule, when first utricule and second balloon dilatation, in first utricule and described second
The cavity that isolation energy transmission is formed between utricule, realizes the energy for preventing the freezing unit in region corresponding with the cavity
Amount transmitting.The patent air inlet return-air is primarily present following defect in same root conduit: first, muffler is built in conduit
It will lead to conduit diameter increase, flexibility is decreased obviously, and considerably reduces catheter manipulation flexibility；Second, make built in return-air
It obtains air inlet pipe and return-air tube spacing is closer, there is internal heat exchange, will cause a degree of freezing energy loss, one
Determine to affect freezing performance in degree；And the frost of muffler makes operator's gripping sense poor.
Summary of the invention
Utility model aims to solve problems of the prior art, provide that a kind of return-air is external, gripping sense
The good return-air heating device with steady temperature function.
The utility model aim is achieved through the following technical solutions:
A kind of return-air heating device with steady temperature function, including air inlet pipe, muffler, sacculus, handle, fast quick access
Head and return-air connector, the sacculus connect proximally by delivery pipe with the distal end of the handle, the handle proximally by
Adapter is connect with the distal end of the air inlet pipe and the muffler respectively, and the proximal end of the air inlet pipe and the quick coupling connect
Connect, the proximal end of the muffler is connect with the return-air connector, the muffler include radially distributed outermost hose,
The pressure pipe of the electric heating film of secondary outer layer, the thermal isolation film of secondary internal layer and innermost layer.
The utility model aim can also further realize by the following technical programs:
Temperature switch, firewire and zero curve, the temperature switch and the hose are provided on the preferred electric heating film
Connection, the electric heating film are connect with the distal end of the temperature switch, the distal end of the proximal end of the temperature switch and the firewire
Connection, the distal end of the zero curve are connect with the electric heating film, and the proximal end of the firewire and zero curve is remote with the return-air connector
End connection.
Preferably, the hose is intertwined and connected or is socketed with the electric heating film or be bonded.
Preferably, the electric heating film is intertwined and connected or is socketed with the thermal isolation film or be bonded.
Preferably, the thermal isolation film is intertwined and connected or is socketed with the pressure pipe or be bonded.
Preferably, the proximal end of the return-air connector is connected to power-supply device.
Preferably, the electric heating film is printing ink film or carbon-fiber film or metal cortina or sheet metal film or macromolecule
Conductive material membrane.
Preferably, the hose is PA pipe or PU pipe or PE pipe or pvc pipe.
It is furthermore preferred that the hose is black.
Preferably, the thermal isolation film is selected from one of nano ceramics film, single-layer or multi-layer metal magnetic control sputtered film or several
The combination of kind.
Preferably, the pressure pipe is selected from one of brass tube, stainless steel tube, single-layer or multi-layer woven tube.
Compared with prior art, the beneficial effects of the utility model are mainly reflected in:
The return-air heating device with steady temperature function of the utility model is distinguished by the adapter being arranged in handle
Air inlet pipe and muffler are connected, i.e. return-air is external, avoids air inlet pipe and muffler is arranged in a conduit and makes air inlet
Heat exchange occurs between pipe and muffler, causes the problem of freezing energy loss to a certain extent, freezes energy loss degree
It is relatively small, it will not influence freezing performance；And electric heating film is set in external muffler, electricity is adjusted by temperature switch and is added
The working condition of hotting mask realizes the control to muffler heating temperature, ensure that the safety of muffler temperature, realizes temperature
It is constant, improve the gripping sense of operator.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the return-air heating device with steady temperature function of the utility model；
Fig. 2 is the partial enlarged view of muffler in Fig. 1；
Wherein: 1 is air inlet pipe, and 2 be muffler, and 3 be sacculus, and 4 be handle, and 5 be quick coupling, and 6 be return-air connector, and 7 are
Delivery pipe, 21 be hose, and 22 be electric heating film, and 23 be thermal isolation film, and 24 be pressure pipe, and 221 be temperature switch, and 222 be firewire,
223 be zero curve.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, develop simultaneously implementation below in conjunction with attached drawing
The utility model is further described in example.It should be appreciated that specific embodiment described herein is only practical to explain
It is novel, it is not used to limit the utility model.
Proximal end described in the utility model refers to that one end close to operator, the distal end refer to far from surgical procedure
One end of person.
As shown in Figure 1, a kind of return-air heating device with steady temperature function of the utility model, including air inlet pipe 1,
Muffler 2, sacculus 3, handle 4, quick coupling 5 and return-air connector 6, the sacculus 3 proximally by delivery pipe 7 and the handle
4 distal end is fixedly connected, the handle 4 proximally by the adapter distal end with the air inlet pipe 1 and the muffler 2 respectively
It is fixedly connected, the proximal end of the air inlet pipe 1 is fixedly connected with the quick coupling 5, the proximal end of the muffler 2 and the return-air
Connector 6 is fixedly connected.The external mode of this muffler 2, which avoids air inlet pipe 1, and muffler 2 is arranged in a conduit makes
It obtains and heat exchange occurs between air inlet pipe 1 and muffler 2, cause the problem of freezing energy loss to a certain extent, freeze energy
Extent of deterioration is relatively small, and will not influence freezing performance.After opening freezing, cryogenic gas by quick coupling 5, into
Tracheae 1 then enters sacculus 3 by handle 4 and delivery pipe 7, in sacculus 3 and after lesions position progress heat exchange, then leads to
It crosses handle 4 and enters muffler 2, separated muffler 2 by the adapter in handle 4, and access return-air connector 6, completed
Recycling to gas.
As shown in Fig. 2, the muffler 2 includes the electric heating film of radially distributed outermost hose 21, secondary outer layer
22, the pressure pipe 24 of the thermal isolation film 23 of secondary internal layer and innermost layer, the hose 21, electric heating film 22, thermal isolation film 23 and pressure pipe
24 structure connections adjacent thereto each other, for example, wherein between hose 21 and electric heating film 22, electric heating film 22 and thermal isolation film 23
Between, it wrapped around one another can be connected between thermal isolation film 23 and pressure pipe 24 or other equivalent connection types such as socket or bonding are equal
It can.Temperature switch 221, firewire 222 and zero curve 223, the temperature switch 221 and the hose are set on the electric heating film 22
21 are fixedly connected, and the electric heating film 22 is connect with the distal end of the temperature switch 221 by conducting wire, the temperature switch 221
Proximal end connect with the distal end of the firewire 222 by conducting wire, the distal end of the zero curve 223 and the electric heating film 22 are by leading
Line connection, the proximal end of the firewire 222 and zero curve 223 are connect with the distal end of the return-air connector 6, the return-air connector 6 it is close
Hold connectivity device power supply.The electric heating film 22 is printing ink film or carbon-fiber film or metal cortina or sheet metal film or high score
Subconductivity material membrane, the hose 21 be PA pipe or PU pipe PE pipe or pvc pipe, the hose 21 be preferably black, it is described every
Hotting mask 23 is selected from the group of one or more of nano ceramics film, single-layer or multi-layer metal magnetic control sputtered film, porous heat insulation material
It closes, the pressure pipe 24 is selected from one of brass tube, stainless steel tube, single-layer or multi-layer woven tube.
After opening freezing, there is cryogenic gas flowing in muffler 2,24 temperature of pressure pipe of directly carrying gas reduces, every
Hotting mask 23 plays certain heat-blocking action at this time, and temperature switch 221 is in the working condition of closure, firewire 222 and zero curve 223 at this time
Start to power to electric heating film 22 by equipment power supply, distribute heat after working with electric heating film 22, to contain that temperature drops
Low trend, and hose 21 is heated.When temperature rises to the value of setting, temperature switch 221 is opened so that power supply
After route disconnects, electric heating film 22 no longer works, and temperature is gradually reduced；It is closed again when temperature switch 221 is reduced with temperature
Afterwards, the task again of electric heating film 22.The regulation to temperature is realized by the combination of electric heating film 22 and temperature switch 221, is protected
The constant of 21 temperature of hose has been demonstrate,proved, the proper temperature manpower operation of return-air pipe surface is realized while ensuring to heat safe,
The gripping sense for improving operator avoids low temperature frosting problem caused by postponing outside return-air.In addition, thermal isolation film 23 has completely cut off electricity
Heating film 22 is exchanged with the direct heat of gas in pressure pipe 24, be can avoid the heat that electric heating film 22 generates and is passed by heat transfer
It is delivered in the gas in pressure pipe 24, prevents gas temperature raising, resistance in pressure pipe 24 from increasing.Meanwhile gas in pressure pipe 24
The cooling capacity of body also can not enter electric heating film 22 by thermal isolation film 23, considerably reduce the power consumption of electric heating film 22.
The foregoing is merely the preferred embodiment of the utility model, it is not limited to the utility model, it is all in the utility model
Made any modifications, equivalent replacements, and improvements etc., should be included within the protection scope of the utility model within spirit and principle.
Claims (8)
1. a kind of return-air heating device with steady temperature function, it is characterised in that: including air inlet pipe (1), muffler (2),
Sacculus (3), handle (4), quick coupling (5) and return-air connector (6), the sacculus (3) proximally by delivery pipe (7) with it is described
The distal end of handle (4) connects, the handle (4) proximally by adapter respectively with the air inlet pipe (1) and the muffler
(2) distal end connection, the proximal end of the air inlet pipe (1) connect with the quick coupling (5), the proximal end of the muffler (2) and
Return-air connector (6) connection, the muffler (2) includes the electricity of radially distributed outermost hose (21), secondary outer layer
The pressure pipe (24) of heating film (22), the thermal isolation film (23) of secondary internal layer and innermost layer.
2. the return-air heating device according to claim 1 with steady temperature function, it is characterised in that: the electric heating
Temperature switch (221), firewire (222) and zero curve (223), the temperature switch (221) and the hose are provided on film (22)
(21) connect, the electric heating film (22) connect with the distal end of the temperature switch (221), the temperature switch (221) it is close
End is connect with the distal end of the firewire (222), and the distal end of the zero curve (223) is connect with the electric heating film (22), the fire
The proximal end of line (222) and zero curve (223) is connect with the distal end of the return-air connector (6).
3. the return-air heating device according to claim 1 with steady temperature function, it is characterised in that: the hose
(21) it with the electric heating film (22) is intertwined and connected or is socketed or is be bonded.
4. the return-air heating device according to claim 1 with steady temperature function, it is characterised in that: the electric heating
Film (22) is intertwined and connected or is socketed with the thermal isolation film (23) or be bonded.
5. the return-air heating device according to claim 1 with steady temperature function, it is characterised in that: the thermal isolation film
(23) it with the pressure pipe (24) is intertwined and connected or is socketed or is be bonded.
6. the return-air heating device according to claim 1 with steady temperature function, it is characterised in that: the return-air connects
The proximal end of head (6) is connected to power-supply device.
7. the return-air heating device according to claim 1 with steady temperature function, it is characterised in that: the electric heating
Film (22) is printing ink film or carbon-fiber film or metal cortina or sheet metal film or macromolecule conducting material film.
8. the return-air heating device according to claim 1 with steady temperature function, it is characterised in that: the thermal isolation film
(23) it is selected from the combination of one or more of nano ceramics film, single-layer or multi-layer metal magnetic control sputtered film, porous heat insulation material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820882588.1U CN208989115U (en) | 2018-06-08 | 2018-06-08 | A kind of return-air heating device with steady temperature function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820882588.1U CN208989115U (en) | 2018-06-08 | 2018-06-08 | A kind of return-air heating device with steady temperature function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208989115U true CN208989115U (en) | 2019-06-18 |
Family
ID=66795895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820882588.1U Active CN208989115U (en) | 2018-06-08 | 2018-06-08 | A kind of return-air heating device with steady temperature function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208989115U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022077313A1 (en) * | 2020-10-15 | 2022-04-21 | 山前（珠海）医疗科技有限公司 | Cryoballoon catheter having heating function |
| WO2022078505A1 (en) * | 2020-10-15 | 2022-04-21 | 山前（珠海）医疗科技有限公司 | Cryogenic balloon catheter having heating function |
-
2018
- 2018-06-08 CN CN201820882588.1U patent/CN208989115U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022077313A1 (en) * | 2020-10-15 | 2022-04-21 | 山前（珠海）医疗科技有限公司 | Cryoballoon catheter having heating function |
| WO2022078505A1 (en) * | 2020-10-15 | 2022-04-21 | 山前（珠海）医疗科技有限公司 | Cryogenic balloon catheter having heating function |
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.15, Lane 3399, Kangxin highway, Pudong New Area, Shanghai, 201321 Patentee after: Kangfeng Biotechnology (Shanghai) Co.,Ltd. Address before: No.15, Lane 3399, Kangxin highway, Pudong New Area, Shanghai, 201321 Patentee before: CRYOFOCUS MEDTECH (SHANGHAI) Co.,Ltd. |