CN110051431A - A kind of microwave ablation device of protection tumor week tissue - Google Patents
A kind of microwave ablation device of protection tumor week tissue Download PDFInfo
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- CN110051431A CN110051431A CN201910444117.1A CN201910444117A CN110051431A CN 110051431 A CN110051431 A CN 110051431A CN 201910444117 A CN201910444117 A CN 201910444117A CN 110051431 A CN110051431 A CN 110051431A
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- 238000002679 ablation Methods 0.000 title claims abstract description 51
- 206010028980 Neoplasm Diseases 0.000 title claims abstract description 44
- 238000001816 cooling Methods 0.000 claims abstract description 88
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 65
- 239000012809 cooling fluid Substances 0.000 claims abstract description 11
- 238000002347 injection Methods 0.000 claims description 41
- 239000007924 injection Substances 0.000 claims description 41
- 230000010412 perfusion Effects 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 5
- 239000002826 coolant Substances 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 208000002925 dental caries Diseases 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Classifications
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- 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
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/1815—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves
-
- 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
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/1815—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves
- A61B2018/1869—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves with an instrument interstitially inserted into the body, e.g. needles
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (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)
Abstract
The invention discloses a kind of microwave ablation devices of protection tumor week tissue, including casing, ablation needle, cooling needle and handle, the ablation needle is fixed on handle, described sleeve pipe and the handle are detachably connected, described sleeve pipe surrounding is laid with several cooling needles, there are distances between the cooling needle and the ablation needle, several cooling needles are for surrounding tumour, the ablation needle is located at the centre for the enclosing region that several cooling needles surround, water inlet pipe and outlet pipe are equipped in the cooling needle, terminal position of the water inlet pipe with the outlet pipe in cooling needle is connected to, the water inlet pipe is connected with external cooling fluid supply device, the outlet pipe is connected with external water tank.The invention reside in a kind of microwave ablation device of protection tumor week tissue is provided, the tissue around tumour can be protected.
Description
Technical field
The present invention relates to technical field of medical equipment, in particular to a kind of microwave ablation device of protection tumor week tissue.
Background technique
Microwave melt needle is not needle, it is a very thin radiating antenna.Specific practice is: under B ultrasound or CT guidance,
Microwave needle Direct perforantes to tumor locus, polar molecule in tissue high-speed motion, rubs mutually under the action of microwave field
Heat is generated, is brought rapidly up in tumour, when temperature is raised to 60 degree or so, cancer cell proteins qualitative change solidification, causing can not
Inverse necrosis.Due to microwave ablation quick heating, it is not easy to the characteristics of controlling, and the work of ablation needle is necessary to ensure that in ablation procedure
Tumor locus is encased completely with range, also to retain the safe edge of certain distance.Therefore, during ablation middle ablation needle in addition to
It kills outside tumor tissues, also the histoorgan of surrounding can be caused to damage, the reaction of appearance has cusalgia sense in art, postoperative low-heat
Deng.And current ablation needle all only cools down to tumor locus, it can not be to the cooling of tumour normal surrounding tissue
Protection.
Summary of the invention
For the above-mentioned prior art, the invention reside in provide a kind of microwave ablation device of protection tumor week tissue, Neng Goutong
It crosses to cooling down around tumour and protects the normal tissue of surrounding.
The technical scheme of the present invention is realized as follows:
A kind of microwave ablation device of protection tumor week tissue, including casing, ablation needle, cooling needle and handle, the ablation
Needle is fixed on handle, and described sleeve pipe and the handle are detachably connected, and described sleeve pipe surrounding is laid with several coolings
Needle, there are distances between the cooling needle and the ablation needle, and several cooling needles are for surrounding tumour, the ablation needle position
In the centre for the enclosing region that several cooling needles surround, water inlet pipe and outlet pipe, the water inlet are equipped in the cooling needle
It manages the terminal position with the outlet pipe in cooling needle to be connected to, the water inlet pipe is connected with external cooling fluid supply device, institute
Outlet pipe is stated to connect with external water tank.
Further, described sleeve pipe is equipped with several clampers, and the cooling needle is clamped on clamper.
Further, the clamper includes clamping pipe, clip, spring and the groove in described sleeve pipe, the folder
Pipe is held in the groove, the spring pulls the clamping pipe into the groove, and the clamping bottom of the tube is equipped with folder
Mouth, the clip are the hollow taper type structure being at least spliced to form by two pieces of grip blocks, and the bottom surface diameter of the clip is big
In the diameter of the groove.
Further, the upper surface of described sleeve pipe is equipped with plug-in unit, and the lower surface of the handle is equipped with slot, and the plug-in unit is inserted
It connects in the slot.
Further, the upper surface of the cooling needle is equipped with the first contact pin and the second contact pin, first contact pin and water inlet
Pipe connection, second contact pin are connected to outlet pipe, and the first cavity and the second cavity, first chamber are equipped in described sleeve pipe
Body, the second cavity pass through rubber stopper and the groove respectively and separate, and first contact pin passes through rubber stopper insertion described the
In one cavity, second contact pin passes through the rubber stopper and is inserted into second cavity, second contact pin and external cold
But liquid supply unit connects, and second contact pin is connected with external water tank.
Further, the cooling fluid supply device is water pump, and the water pump is set in the water tank, and the water pump goes out
The mouth of a river is connected to first cavity, and second cavity is connected to the water tank.
Further, further include several injection needles, the injection needle is evenly arranged on the surrounding of described sleeve pipe, the injection needle and
Perfusion tube connection, the perfusion tube are connected to syringe.
Further, the cooling needle is the cooling needle of elasticity of end bend in its natural state, the cooling needle housing
There is the first straight tube, the length of first straight tube is less than the length of the cooling needle.
Further, the injection needle is the flexible injection needle of end bend in its natural state, the injection needle housing
There is the second straight tube, the length of second straight tube is less than the length of the injection needle.
The beneficial effects of the present invention are: cooled down by cooling tube to the tissue around tumour, is protecting surrounding just
Often tissue.After peritumoral tissues are protected, more high-power ablation needle can be used, the speed of ablation is on the one hand improved
Degree, on the other hand makes the temperature of tumor tissues higher, and it is more thorough to kill tumour.It reduces the recurrence of tumour and shifts risk.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only the preferred embodiment of the present invention, for
For those of ordinary skill in the art, without any creative labor, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 is a kind of three-dimensional structure diagram of the microwave ablation device of protection tumor week tissue of the present invention；
Fig. 2 is handle profile structure chart of the present invention；
Fig. 3 is casing three-dimensional structure diagram of the present invention；
Fig. 4 is casing three-dimensional structure diagram of the present invention；
Fig. 5 is clamping pipe, clip and the spring three-dimensional structure diagram in clamper of the present invention；
Fig. 6 is casing sectional structure chart of the present invention；
Fig. 7 is casing three-dimensional structure diagram of the present invention；
Fig. 8 is the first cavity and the second cavity space structural schematic diagram of the invention；
Fig. 9 is the sectional structure chart of the cooling needle of the present invention；
Figure 10 is the three-dimensional structure diagram of injection needle of the present invention, perfusion tube and syringe；
Figure 11 is the three-dimensional structure diagram of the present invention cooling needle and the second straight tube；
In figure, 1 casing, 2 ablation needles, 3 cooling needles, 4 handles, 5 water inlet pipes, 6 outlet pipes, 7 cooling fluid supply devices, 8 water
Case, 9 clampers, 10 clamping pipes, 11 clips, 12 springs, 13 grooves, 14 grip blocks, 15 plug-in units, 16 slots, 17 first contact pins, 18
Second contact pin, 19 first cavitys, 20 second cavitys, 21 rubber stoppers, 22 injection needles, 23 perfusion tubes, 24 syringes, 25 first is straight
Cylinder, 26 second straight tubes.
Specific embodiment
In order to be best understood from the technology of the present invention content, be provided below specific embodiment, and in conjunction with attached drawing to the present invention do into
The explanation of one step.
Embodiment 1
Referring to Fig. 1 to 9, a kind of microwave ablation device of protection tumor week tissue, including casing 1, ablation needle 2, cooling 3 and of needle
Handle 4, the ablation needle 2 are fixed on handle 4, and described sleeve pipe 1 and the handle 4 are detachably connected, and 1 surrounding of described sleeve pipe is equal
Several cooling needles 3 are laid with, there are distance between the cooling needle 3 and the ablation needle 2, several cooling needles 3 are used
In surrounding tumour, the ablation needle 2 is located at the centre for the enclosing region that several cooling needles 3 surround, sets in the cooling needle 3
There are water inlet pipe 5 and outlet pipe 6, terminal position of the water inlet pipe 5 with the outlet pipe 6 in cooling needle 3 is connected to, the water inlet pipe
5 and external cooling fluid supply device 7 connect, the outlet pipe 6 and the connection of external water tank 8.
Casing 1 and handle 4 are detachably connected, and casing 1 is fixed on handle 4 by when use.Ablation needle 2 is fixed on handle 4
On, the fixed rear sleeve 1 of casing 1 is entangled to the top of ablation needle 2.Casing 1 is surrounded by several cooling needles 3, and cooling needle 3 is adopted
It is fixed on casing 1 with the mode for being fixedly connected or being detachably connected, and is uniformly distributed along 1 surrounding of casing, cooling needle 3
Between be equally spaced, and be trapped among around ablation needle 2.There are distances between the cooling needle 3 and the ablation needle 2, described
Ablation needle 2 is located at the centre for the enclosing region that several cooling needles 3 surround, when ablation needle 2 and cooling needle 3 are inserted into human body together
When being melted in tissue, ablation needle 2 is inserted into tumor tissues, and cools down the surrounding tissue that needle 3 is inserted into tumor tissues, cooling needle
3 surround tumor tissues, cool down during ablation to tumor week tissue, protection tumor week organizes.Cooling needle 3 is using cold
Cooling water circulation is equipped with water inlet pipe 5 and outlet pipe 6 in cooling needle 3, and cold water enters from water inlet pipe 5, due to water inlet pipe 5 and goes out
Water pipe 6 is in the terminal position connection of cooling needle 3, and cooling 3 end of needle is with cuspidated one end, and cold water enters it from water inlet pipe 5
Outlet pipe 6 is flowed in cooling 3 end of needle afterwards, is finally flow back into cooling-cycle device from outlet pipe 6.Optionally, coolant liquid supplies
Answering device 7 is running water pipe, supplies cold water from running water pipe to water inlet pipe 5, achievees the purpose that cooling.
Preferably, cooling needle 3 is fixed on casing 1 by the way of being detachably connected, and described sleeve pipe 1 is equipped with several clampings
Device 9, the cooling needle 3 are clamped on clamper 9.Cooling needle 3 is clamped on casing 1.Specifically, the clamper 9 includes
Pipe 10, clip 11, spring 12 and the groove 13 in described sleeve pipe 1 are clamped, the clamping pipe 10 is set in the groove 13,
The spring 12 pulls the clamping pipe 10 into the groove 13, and 10 bottom of clamping pipe is equipped with clip 11, the folder
Mouth 11 is the hollow taper type structure being at least spliced to form by two pieces of grip blocks 14, and the bottom surface diameter of the clip 11 is greater than institute
State the diameter of groove 13.In the upper end insertion clamping pipe 10 of cooling needle 3,10 bottom of clamping pipe is equipped with clip 11, the folder
Mouth 11 is the hollow taper type structure being at least spliced to form by two pieces of grip blocks 14, and the grip block 14 of clip 11 can be leaned on mutually
Hold together, grip block 14 clamps cooling needle 3 after collapsing.Under the action of spring 12, clamping pipe 10 is moved upwards, and clip 11 is fixed on folder
The bottom of pipe 10 is held, the upper ground surface of clip 11 is identical with the clamping diameter of pipe 10, when clip 11 moves upwards, due to clip 11
Lower Ground Diameter be greater than groove 13 diameter, extruding of the clip 11 by 13 inner wall of groove, constitute clip 11 grip block 14 to
Centre is collapsed, and cooling needle 3 is clamped.One end of spring 12 and clamping pipe 10 connect, and the other end is connected with the top of groove 13, spring
12 in the state being stretched, and pulls up clamping pipe 10 when spring 12 restores, and clip 11 is driven to clamp cooling needle 3.Folder
There are frictional force for mouth 11 and cooling needle 3, and when cooling needle 3 is inserted into human body, cooling needle 3 will push clip 11 and move upwards, so that
Clip 11 is pressed from both sides tighter, is achieved the effect that self-locking.
Specifically, the upper surface of described sleeve pipe 1 is equipped with plug-in unit 15, the lower surface of the handle 4 is equipped with slot 16, described to insert
Part 15 is plugged in the slot 16.Plug-in unit 15 is inserted in clamping in slot 16, casing 1 is fixed on handle 4.Plug-in unit 15 is pulled out
Slot 16 out, casing 1 are removed from handle 4.
Specifically, the upper surface of the cooling needle 3 is equipped with the first contact pin 17 and the second contact pin 18,17 He of the first contact pin
Water inlet pipe 5 is connected to, and second contact pin 18 is connected to outlet pipe 6, and the first cavity 19 and the second cavity are equipped in described sleeve pipe 1
20, first cavity 19, the second cavity 20 are separated by rubber stopper 21 and the groove 13 respectively, and first contact pin 17 is worn
It crosses the rubber stopper 21 to be inserted into first cavity 19, second contact pin 18 passes through the rubber stopper 21 and is inserted into described second
In cavity 20, second contact pin 18 and the connection of external cooling fluid supply device 7, second contact pin 18 and external water tank
8 connections.First contact pin 17 and second inserts the upper surface for being higher by cooling needle 3, and first cavity 19, the second cavity 20 pass through respectively
Rubber stopper 21 and the groove 13 separate, and cooling needle 3 is inserted in groove 13, and the first contact pin 17 and the second contact pin 18 are inserted through rubber
Rubber plug 21, the first contact pin 17 enter the first cavity 19, and the second contact pin 18 enters the second cavity 20.So that 18 He of the second contact pin
External cooling fluid supply device 7 connects, coolant liquid successively from cooling fluid supply device 7, the first cavity 19, the first contact pin 17 into
Enter water inlet pipe 5, is successively discharged to again from from outlet pipe 6, the second contact pin 18, the second cavity 20 into the coolant liquid in water inlet pipe 5
In water tank 8.
The cooling fluid supply device 7 be water pump, the water pump be set to the water tank 8 in, the water outlet of the water pump and
First cavity 19 is connected to, and second cavity 20 is connected to the water tank 8.Water pump is by the water supply pump in water tank 8 to first
In cavity 19, specifically, water pump is connected to by water pipe and the first cavity 19.Water in second cavity 20 is discharged to water tank by pipeline
In 8, water circulation is realized, do not need to improve the range used, while water circulation can also save in the place arrangement pipeline used
Water resource.
Embodiment 2
Referring to Fig. 1 to 11, the present embodiment the difference from embodiment 1 is that, further include several injection needles 22, the injection needle
22 are evenly arranged on the surrounding of described sleeve pipe 1, and the injection needle 22 is connected to perfusion tube 23, and the perfusion tube 23 and syringe 24 connect
It is logical.Injection needle 22 can be fixed on casing 1, can also be not fixed on casing 1.It is not fixed on casing 1, when use one by one
Injection needle 22 is inserted into tissue.The injection needle 22 of insertion surrounds tumor tissues, and syringe 24 passes through perfusion tube 23 and note
The connection of needle 22 is penetrated, specifically, injection needle 22 can be connected to syringe 24 or injection-tube 23 by injection-tube 23 one by one respectively
Including general pipeline and branch pipe, branch pipe is connected on general pipeline, and general pipeline is connected to syringe 24, and branch pipe is connected to injection needle 22 respectively.
Protection drug is injected into the surrounding tissue of tumour by injection needle 22, surrounds the normal tissue around tumour.
Specifically, the cooling needle 3 is the cooling needle 3 of elasticity of end bend in its natural state, cooling 3 housing of needle
There is the first straight tube 25, the length of first straight tube 25 is less than the length of the cooling needle 3.First straight tube 25 is entangled into cooling needle
3.First straight tube 25 is rigid structure, can not be bent.The outer wall fitting of the inner wall of first straight tube 25 and cooling needle 3, or it is cooling
Diameter is greater than diameter at needle tubing at the syringe needle of needle 3, the first 25 sets of straight tube when on cooling needle 3, the lower end surface of the first straight tube 25 and
Outer diameter fitting at cooling 3 syringe needle of needle, avoids the gap between the first straight tube 25 and cooling needle 3 from clamping into tissue.By
One straight tube 25 and cooling needle 3 are inserted into the tissue of human body together, and then the first straight tube 25 is motionless, continues to be inwardly inserted into cooling needle 3.Institute
The length for stating the first straight tube 25 is less than the length of the cooling needle 3, and the end of cooling needle 3 is exposed from the first straight tube 25, cooling needle 3
First section be rigid structure, end is elastic construction, and end is bent in its natural state.The cooling exposed from the first straight tube 25
3 end bend of needle surrounds peritumoral tissues from bottom, improves the protective effect to peritumoral tissues.
Specifically, the injection needle 22 is the flexible injection needle 22 of end bend in its natural state, the injection needle 22
It is cased with the second straight tube 26 outside, the length of second straight tube 26 is less than the length of the injection needle 22.Similarly, by the second straight tube 26
Injection needle 22 is entangled, the second straight tube 26 is rigid structure, can not be bent.The inner wall of second straight tube 26 and the outer wall patch of injection needle 22
Diameter is greater than diameter at needle tubing at the syringe needle of conjunction or injection needle 22, and the second 26 sets of straight tube is when on cooling needle 3, the second straight tube
At 26 22 syringe needle of lower end surface and injection needle outer diameter fitting, avoid the gap between the second straight tube 26 and injection needle 22 clamp into
Tissue.Second straight tube 26 and injection needle 22 are inserted into the tissue of human body together, then the second straight tube 26 is motionless, continues inside
It is inserted into injection needle 22.The length of second straight tube 26 is less than the length of the injection needle 22, and the end of injection needle 22 is from second
Straight tube 26 is exposed, and the first section of injection needle 22 is rigid structure, and end is elastic construction, and end is bent in its natural state.From
22 end bend of injection needle that second straight tube 26 is exposed injects drug from bottom to peritumoral tissues, improves around to tumour
The protective effect of tissue.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of microwave ablation device of protection tumor week tissue, which is characterized in that including casing, ablation needle, needle and handle are cooled down,
The ablation needle is fixed on handle, and described sleeve pipe and the handle are detachably connected, and described sleeve pipe surrounding is laid with several
The cooling needle, there are distance between the cooling needle and the ablation needle, several cooling needles are described for surrounding tumour
Ablation needle is located at the centre for the enclosing region that several cooling needles surround, and is equipped with water inlet pipe and outlet pipe in the cooling needle,
Terminal position of the water inlet pipe with the outlet pipe in cooling needle is connected to, the water inlet pipe and external cooling fluid supply device
Connection, the outlet pipe are connected with external water tank.
2. a kind of microwave ablation device of protection tumor week tissue according to claim 1, which is characterized in that described sleeve pipe is set
There are several clampers, the cooling needle is clamped on clamper.
3. a kind of microwave ablation device of protection tumor week tissue according to claim 2, which is characterized in that the clamper
Including clamping pipe, clip, spring and the groove in described sleeve pipe, the clamping pipe is set in the groove, the spring
The clamping pipe is pulled into the groove, the clamping bottom of the tube is equipped with clip, and the clip is at least to be clamped by two pieces
The hollow taper type structure that block is spliced to form, the bottom surface diameter of the clip are greater than the diameter of the groove.
4. a kind of microwave ablation device of protection tumor week tissue according to claim 1, which is characterized in that described sleeve pipe
Upper surface is equipped with plug-in unit, and the lower surface of the handle is equipped with slot, and the plug-in unit is plugged in the slot.
5. a kind of microwave ablation device of protection tumor week tissue according to claim 1, which is characterized in that the cooling needle
Upper surface be equipped with the first contact pin and the second contact pin, first contact pin is connected to water inlet pipe, second contact pin and outlet pipe
Connection, described sleeve pipe is interior to be equipped with the first cavity and the second cavity, and first cavity, the second cavity pass through rubber stopper and institute respectively
Groove separation is stated, first contact pin passes through the rubber stopper and is inserted into first cavity, and second contact pin passes through described
Rubber stopper is inserted into second cavity, and second contact pin is connected with external cooling fluid supply device, second contact pin
It is connected with external water tank.
6. a kind of microwave ablation device of protection tumor week tissue according to claim 1, which is characterized in that the coolant liquid
Feeding mechanism is water pump, and the water pump is set in the water tank, and the water outlet of the water pump is connected to first cavity, described
Second cavity is connected to the water tank.
7. a kind of microwave ablation device of protection tumor week tissue according to claim 1, which is characterized in that further include several
Injection needle, the injection needle are evenly arranged on the surrounding of described sleeve pipe, and the injection needle is connected to perfusion tube, the perfusion tube and injection
Device connection.
8. a kind of microwave ablation device of protection tumor week tissue according to claim 1, which is characterized in that the cooling needle
For the cooling needle of elasticity of end bend in its natural state, the cooling needle is cased with the first straight tube, the length of first straight tube outside
Degree is less than the length of the cooling needle.
9. a kind of microwave ablation device of protection tumor week tissue according to claim 1, which is characterized in that the injection needle
For the flexible injection needle of end bend in its natural state, the injection needle is cased with the second straight tube, the length of second straight tube outside
Degree is less than the length of the injection needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910444117.1A CN110051431A (en) | 2019-05-27 | 2019-05-27 | A kind of microwave ablation device of protection tumor week tissue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910444117.1A CN110051431A (en) | 2019-05-27 | 2019-05-27 | A kind of microwave ablation device of protection tumor week tissue |
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| Publication Number | Publication Date |
|---|---|
| CN110051431A true CN110051431A (en) | 2019-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910444117.1A Pending CN110051431A (en) | 2019-05-27 | 2019-05-27 | A kind of microwave ablation device of protection tumor week tissue |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113729922A (en) * | 2021-09-28 | 2021-12-03 | 苏州瀚诺馨生物科技有限公司 | Single-channel radio frequency tissue ablation device |
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| CN203564331U (en) * | 2013-11-28 | 2014-04-30 | 南京亿高微波系统工程有限公司 | Novel microwave ablation needle |
| CN105919668A (en) * | 2016-04-15 | 2016-09-07 | 南京康友医疗科技有限公司 | Multi-polar microwave ablation needle |
| CN108451636A (en) * | 2018-04-09 | 2018-08-28 | 上海三埃弗电子有限公司 | A kind of detachable multifunctional ablation puncture needle |
| CN210541810U (en) * | 2019-05-27 | 2020-05-19 | 海南省妇幼保健院 | Microwave ablation device for protecting peritumoral tissue |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113729922A (en) * | 2021-09-28 | 2021-12-03 | 苏州瀚诺馨生物科技有限公司 | Single-channel radio frequency tissue ablation device |
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