CN106236253B - A kind of bypassing circulation sealing device of SAPMAC method ablation needle - Google Patents
A kind of bypassing circulation sealing device of SAPMAC method ablation needle Download PDFInfo
- Publication number
- CN106236253B CN106236253B CN201610768998.9A CN201610768998A CN106236253B CN 106236253 B CN106236253 B CN 106236253B CN 201610768998 A CN201610768998 A CN 201610768998A CN 106236253 B CN106236253 B CN 106236253B
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- fixing seat
- shank
- water
- water inlet
- ablation needle
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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
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
-
- 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
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00589—Coagulation
-
- 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
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00696—Controlled or regulated parameters
- A61B2018/00714—Temperature
Abstract
A kind of bypassing circulation sealing device of SAPMAC method ablation needle, it is characterized in that including shank fixing seat (7), water pipe fixing seat (10), outlet pipe (11) and water inlet pipe (12), water pipe fixing seat (10) setting is in shank fixing seat (7), outlet pipe (11) and water inlet pipe (12) are connected separately in water pipe fixing seat (10), water inlet pipe (12) is connected to the inside of the capillary (3) of SAPMAC method ablation needle, and outlet pipe (11) is connected to the gap between capillary (3) outer wall and shank (2) inner wall.The bypassing circulation sealing device of SAPMAC method ablation needle of the invention obtains highest energy deposition in zone of ablation, effectively reduces surrounding tissue impedance rise, avoids carbonizing.
Description
Technical field
The present invention relates to minimally invasive medical instrument field, especially a kind of bypassing circulation sealing device of SAPMAC method ablation needle.
Background technique
Ablation needle is not needle, it is a very thin RF energy output electrode.Specific practice is: drawing in B ultrasound or CT
It leads down, ablation needle Direct perforantes to tumor locus, polar molecule in tissue high-speed motion under the action of radiofrequency field, mutually
Friction generates heat, is brought rapidly up in tumour, and when temperature is raised to 60 degree or so, cancer cell proteins qualitative change solidification causes
Irreversible necrosis.Influence simultaneously to its hetero-organization is very small, improves the immunity of patient's body, inhibits the expansion of tumour cell
It dissipates.
Quick heating, penetration into tissue are strong, multiple spot ablation can carry out simultaneously, ablation range is big, can be real-time because having for ablation needle
Monitor temperature, it is curative for effect the advantages that, and be widely used in liver cancer, lung cancer, fibroid, osteocarcinoma, kidney, cancer of pancreas, thyroid gland
High etc. the treatment of tumour, spleen.
Temperature control effect of the existing ablation needle in working position is undesirable, leads to ablation needle quick heating, it is not easy to control
, there is shank and needle point adhesion, can also damage peripheral organs, the reaction of appearance has slight cusalgia sense, postoperative low-heat etc. in art in system.
Summary of the invention
The purpose of the present invention is to provide a kind of bypassing circulation sealing devices of SAPMAC method ablation needle, realize the cold of ablation needle
But water cycle temperature control, with overcome the deficiencies in the prior art.
The technical scheme is that
A kind of bypassing circulation sealing device of SAPMAC method ablation needle, including shank fixing seat (7), water pipe fixing seat (10),
Outlet pipe (11) and water inlet pipe (12), water pipe fixing seat (10) setting is in shank fixing seat (7), water pipe fixing seat (10)
On be connected separately with outlet pipe (11) and water inlet pipe (12), the inside of the capillary (3) of water inlet pipe (12) and SAPMAC method ablation needle
Connection, outlet pipe (11) are connected to the gap between capillary (3) outer wall and shank (2) inner wall, and the shank fixing seat (7) is bucket
Shape, its rear end open architecture, water pipe fixing seat (10) are inserted from rear end, and shank fixing seat (7) front end is closing-in structure, preceding
End opening is horn mouth (23), is the shank fixation hole (21) for fixing shank (2) in horn mouth (23).
The water pipe fixing seat (10) is equipped with sealing ring card slot (91), is equipped with sealing ring (9) in sealing ring card slot (91),
It is sealed between water pipe fixing seat (10) and shank fixing seat (7) by sealing ring (9).
The water pipe fixing seat (10) is column structure, and front end is equipped with capillary fixation hole (31), water pipe fixing seat
(10) middle section is equipped with water inlet (141), and water inlet (141) is connected to capillary fixation hole (31), and water pipe fixing seat (10) is internal
Equipped with the cavity through its internal water outlet (151), between water pipe fixing seat (10) front end and the inner wall of shank fixing seat (7)
For water chamber (50)；Cavity between water inlet (141) and the inner wall of shank fixing seat (7) is intake antrum (51)；SAPMAC method disappears
The gap melted between capillary (3) outer wall of needle and shank (2) inner wall of SAPMAC method ablation needle is connected to water chamber (50), water outlet
Chamber (50) is connected to water outlet (151)；The inside of the capillary (3) of SAPMAC method ablation needle is connected to water inlet (141), water inlet pipe
(12) be connected to water inlet (141) by water inlet pipe fixing seat (121), outlet pipe (11) pass through outlet pipe fixing seat (111) and
Water outlet (151) connection, water inlet pipe fixing seat (121), outlet pipe fixing seat (111) and electrode wires fixing seat (131) are set respectively
Set in water pipe fixing seat (10) rear end, the temperature-compensating conducting wire (17) and thermocouple sensor conducting wire (4) of SAPMAC method ablation needle from
Electrode wires fixing seat (131) is pierced by.
The water inlet pipe fixing seat (121), outlet pipe fixing seat (111) and electrode wires fixing seat (131) are respectively to manage
The length of shape structure, electrode wires fixing seat (131) is longer, stretches out shank fixing seat (7) rear end.
It is additionally provided with radio frequency line fixing seat (22) on the shank fixing seat (7), the radio frequency line (16) of SAPMAC method ablation needle is solid
It is scheduled on radio frequency line fixing seat (22).
After shank fixing seat (7) merging water pipe fixing seat (10), marine glue is injected in the rear end of shank fixing seat (7),
Form sealing tail-hood (15).
The beneficial effects of the present invention are:
The cold sterile water circulation structure of the electrode interior of the bypassing circulation sealing device of SAPMAC method ablation needle of the invention, is disappearing
Highest energy deposition is obtained in tabetisol, is effectively reduced surrounding tissue impedance rise, is avoided carbonizing.
The bypassing circulation sealing device of SAPMAC method ablation needle of the invention is by realizing cooling water inside peristaltic pump again shank
Circulation, take away waste heat in time, and cooperate thermocouple sensor realize accurate temperature controlling, SAPMAC method ablation needle system of the invention
The intake antrum of system mutually completely cuts off with water chamber, does not interfere with each other, while also having accomplished separating dry space from moist space, highly integrated sensor conductor
And radio-frequency wires, further reduce volume.
SAPMAC method ablation needle system of the invention is without any side effects, has and does not operate on, protects body of gland, preventing from scar, peace
Overall height effect takes effect quickly, with controlling with walking, comprehensively thoroughly, the features such as no complication.
When SAPMAC method ablation needle system operation of the invention under ultrasound guidance, it imports insulating liquid and protects normal tissue, it will
Ultra micro wound ablation needle penetrates patient's skin of neck, is directly inserted into lesion tissue and is melted.Ablation needle generates high temperature, inactivation knot
It can produce heat shock protein while saving tissue, stimulation body immune system absorbs the histocyte after inactivation, improves body
Immune function plays the role of that tubercle is inhibited to regrow.The minimally invasive ablation technology of ultrasound guidance can be to greatest extent
Protection normal tissue and function while are minimally invasive, accurately treat nodular organs.
SAPMAC method ablation needle system of the invention is mainly for the first shape such as thyroid nodule, thyroid cyst, thyroid adenoma
Gland disease, while being also suitable for oncology and carrying out ultrasonic Minimally Invasive Surgery.Cool-tip circulation therapeutic equipment treatment have it is minimally invasive, do not damage
Normal thyroid, treatment is comprehensive, the multiple advantages such as rehabilitation is quick, and recurrence rate is low.
Detailed description of the invention
Fig. 1 is the overall structure schematic cross-sectional view of the embodiment of the present invention one.
Fig. 2 is shank partial enlargement schematic cross-sectional view of the invention.
Fig. 3 is bypassing circulation sealing device partial cross-sectional structural diagram of the invention.
Fig. 4 is the overall structure schematic cross-sectional view of the embodiment of the present invention two.
Fig. 5 is the schematic cross-sectional view of bypassing circulation sealing device of the invention.
Fig. 6 is the schematic perspective view of bypassing circulation sealing device of the invention.
Fig. 7 is the schematic cross-sectional view of shank fixing seat of the invention.
Fig. 8 is the schematic perspective view of shank fixing seat of the invention.
Fig. 9 is the structural schematic diagram of water pipe fixing seat of the invention.
Figure 10 is in Fig. 9 along the cross-sectional view in the direction C-C.
Figure 11 is the side view of Fig. 9.
Figure 12 is in Figure 11 along the cross-sectional view in the direction D-D.
Figure 13 is the schematic perspective view of water pipe fixing seat of the invention.
In figure: 1 being needle point, 2 be shank, 3 be capillary, 4 be thermocouple sensor conducting wire, 5 be heat-shrink tube, 6 be shank
Locking cap, 7 be shank fixing seat, 8 be handle housing, 9 be sealing ring, 10 be water pipe fixing seat, 11 be outlet pipe, 12 be water inlet
Pipe, 14 be electrode contact, 15 be seal tail-hood, 16 be radio frequency line, 17 be temperature-compensating conducting wire, 50 be water chamber, 51 be water inlet
Chamber, 21 be shank fixation hole, 22 be radio frequency line fixing seat, 23 be horn mouth, 91 be sealing ring card slot, 31 be that capillary is fixed
Hole, 111 be outlet pipe fixing seat, 121 be water inlet pipe fixing seat, 131 be electrode wires fixing seat, 141 be water inlet, 151 for go out
The mouth of a river.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings:
Such as Fig. 1 to Figure 13, a kind of bypassing circulation sealing device of SAPMAC method ablation needle, including shank fixing seat (7), water pipe
Fixing seat (10), outlet pipe (11) and water inlet pipe (12), water pipe fixing seat (10) setting is in shank fixing seat (7), water
Outlet pipe (11) and water inlet pipe (12), the capillary of water inlet pipe (12) and SAPMAC method ablation needle are connected separately in pipe fixing seat (10)
The inside connection of (3) is managed, outlet pipe (11) is connected to the gap between capillary (3) outer wall and shank (2) inner wall, and the shank is solid
Reservation (7) is tubbiness, and its rear end open architecture, water pipe fixing seat (10) is inserted from rear end, and shank fixing seat (7) front end is
Closing-in structure, front opening are horn mouth (23), are the shank fixation hole (21) for fixing shank (2) in horn mouth (23).
The water pipe fixing seat (10) is equipped with sealing ring card slot (91), is equipped with sealing ring (9) in sealing ring card slot (91),
It is sealed between water pipe fixing seat (10) and shank fixing seat (7) by sealing ring (9).
The water pipe fixing seat (10) is column structure, and front end is equipped with capillary fixation hole (31), water pipe fixing seat
(10) middle section is equipped with water inlet (141), and water inlet (141) is connected to capillary fixation hole (31), and water pipe fixing seat (10) is internal
Equipped with the cavity through its internal water outlet (151), between water pipe fixing seat (10) front end and the inner wall of shank fixing seat (7)
For water chamber (50)；Cavity between water inlet (141) and the inner wall of shank fixing seat (7) is intake antrum (51)；SAPMAC method disappears
The gap melted between capillary (3) outer wall of needle and shank (2) inner wall of SAPMAC method ablation needle is connected to water chamber (50), water outlet
Chamber (50) is connected to water outlet (151)；The inside of the capillary (3) of SAPMAC method ablation needle is connected to water inlet (141), water inlet pipe
(12) be connected to water inlet (141) by water inlet pipe fixing seat (121), outlet pipe (11) pass through outlet pipe fixing seat (111) and
Water outlet (151) connection, water inlet pipe fixing seat (121), outlet pipe fixing seat (111) and electrode wires fixing seat (131) are set respectively
Set in water pipe fixing seat (10) rear end, the temperature-compensating conducting wire (17) and thermocouple sensor conducting wire (4) of SAPMAC method ablation needle from
Electrode wires fixing seat (131) is pierced by.
The water inlet pipe fixing seat (121), outlet pipe fixing seat (111) and electrode wires fixing seat (131) are respectively to manage
The length of shape structure, electrode wires fixing seat (131) is longer, stretches out shank fixing seat (7) rear end.
It is additionally provided with radio frequency line fixing seat (22) on the shank fixing seat (7), the radio frequency line (16) of SAPMAC method ablation needle is solid
It is scheduled on radio frequency line fixing seat (22).
After shank fixing seat (7) merging water pipe fixing seat (10), marine glue is injected in the rear end of shank fixing seat (7),
Form sealing tail-hood (15).
A kind of SAPMAC method ablation needle system, including needle point (1), shank (2), capillary (3), thermocouple sensor conducting wire
(4), heat-shrink tube (5), shank fixing seat (7), handle housing (8), water pipe fixing seat (10), outlet pipe (11), water inlet pipe (12),
Electrode contact (14), radio frequency line (16) and temperature-compensating conducting wire (17), the needle point (1) are located at shank (2) front end, shank (2)
Rear end is connect with shank fixing seat (7), is arranged on shank (2) heat-shrink tube (5), and shank (2) is hollow structure, is internally provided with
Capillary (3) has gap, is equipped with thermocouple sensor in capillary (3) between capillary (3) outer wall and the inner wall of shank (2)
The rear end of conducting wire (4), capillary (3) is connect with water pipe fixing seat (10), thermocouple sensor conducting wire (4) one end and capillary
(3) front end connection, thermocouple sensor conducting wire (4) other end are pierced by capillary (3) and water pipe fixing seat (10) and and electrode
Connector (14) connection, in shank fixing seat (7), water pipe fixing seat is connected separately with out on (10) for water pipe fixing seat (10) setting
Water pipe (11) and water inlet pipe (12), water inlet pipe (12) are connected to the inside of capillary (3), and outlet pipe (11) is connected to capillary (3)
Gap between outer wall and shank (2) inner wall, radio frequency line (16) one end connect shank (2), and the other end and electrode contact (14) are even
It connects；Temperature-compensating conducting wire (17) one end is internal in shank fixing seat (7) to connect capillary (3) outer wall, and the other end connects with electrode
Head (14) connection；Shank fixing seat (7) setting is in handle housing (8).
The water pipe fixing seat (10) is equipped with sealing ring card slot (91), is equipped with sealing ring (9) in sealing ring card slot (91),
It is sealed between water pipe fixing seat (10) and shank fixing seat (7) by sealing ring (9).The shank fixing seat (7) is tubbiness,
Rear end open architecture, water pipe fixing seat (10) are inserted from rear end, and shank fixing seat (7) front end is closing-in structure, and front end is opened
Mouth is horn mouth (23), is the shank fixation hole (21) for fixing shank (2) in horn mouth (23).
The water pipe fixing seat (10) is column structure, and front end is equipped with capillary fixation hole (31), water pipe fixing seat
(10) middle section is equipped with water inlet (141), and water inlet (141) is connected to capillary fixation hole (31), and water pipe fixing seat (10) is internal
Equipped with the cavity through its internal water outlet (151), between water pipe fixing seat (10) front end and the inner wall of shank fixing seat (7)
For water chamber (50)；Cavity between water inlet (141) and the inner wall of shank fixing seat (7) is intake antrum (51)；Capillary (3)
Gap between outer wall and shank (2) inner wall is connected to water chamber (50), and water chamber (50) is connected to water outlet (151)；Capillary
The inside for managing (3) is connected to water inlet (141), and water inlet pipe (12) is connected to by water inlet pipe fixing seat (121) with water inlet (141),
Outlet pipe (11) is connect by outlet pipe fixing seat (111) with water outlet (151), and water inlet pipe fixing seat (121), outlet pipe are fixed
Seat (111) and electrode wires fixing seat (131) are separately positioned on water pipe fixing seat (10) rear end, temperature-compensating conducting wire (17) and thermoelectricity
Even sensor conductor (4) is pierced by from electrode wires fixing seat (131).
The radio frequency line (16), temperature-compensating conducting wire (17) and thermocouple sensor conducting wire (4) are pierced by handle housing together
(8) connection electrode connector (14) afterwards.
The water inlet pipe fixing seat (121), outlet pipe fixing seat (111) and electrode wires fixing seat (131) are respectively to manage
The length of shape structure, electrode wires fixing seat (131) is longer, stretches out shank fixing seat (7) rear end.
It is additionally provided with radio frequency line fixing seat (22) on the shank fixing seat (7), radio frequency line (16) is fixed on radio frequency line and fixes
On seat (22).
The junction of the shank (2) and handle housing (8) is additionally provided with shank locking cap (6).
After shank fixing seat (7) merging water pipe fixing seat (10), marine glue is injected in the rear end of shank fixing seat (7),
Form sealing tail-hood (15).
The junction of all parts of the present invention can be connected by ultraviolet cured adhesive water-stop.
Such as Fig. 1, the handle housing (8) of embodiment 1 is straight hand lever, and such as Fig. 2, the handle shape of embodiment two is rear end bending
Arc-shaped, it is shorter and smaller.
Use process:
Water inlet peristaltic pump tube is connected into bottled water for injection, is entered by water inlet pipe 12, water inlet 141 and intake antrum 51
The inner hole of capillary 3 is until 2 forward tip 1 of shank, the water of 2 forward tip of shank are returned by interporal lacuna in capillary 3 and shank 2
It flows in the cavity area of water chamber 50, flows out using water outlet 151, outlet pipe 11, so recycle, guarantee 2 front end of shank
Internal water is recirculated water, to guarantee the temperature of operation hour hands crack tip water, guarantees the range of ablation needle surgical ablation.
The above-described embodiments are merely illustrative of preferred embodiments of the present invention, not to structure of the invention
Think and range is defined, under the premise of not departing from design concept of the present invention, ordinary engineering and technical personnel is to this hair in this field
The all variations and modifications that bright technical solution is made should all fall into protection scope of the present invention, the claimed skill of the present invention
Art content is all described in the claims.
Claims (4)
1. a kind of bypassing circulation sealing device of SAPMAC method ablation needle, it is characterized in that including shank fixing seat (7), water pipe fixing seat
(10), outlet pipe (11) and water inlet pipe (12), in shank fixing seat (7), water pipe is fixed for water pipe fixing seat (10) setting
Outlet pipe (11) and water inlet pipe (12), the capillary (3) of water inlet pipe (12) and SAPMAC method ablation needle are connected separately on seat (10)
Inside connection, outlet pipe (11) is connected to the gap between capillary (3) outer wall and shank (2) inner wall, the shank fixing seat
It (7) is tubbiness, its rear end open architecture, water pipe fixing seat (10) is inserted from rear end, and shank fixing seat (7) front end is to close up
Structure, front opening are horn mouth (23), are the shank fixation hole (21) for fixing shank (2) in horn mouth (23)；It is described
Water pipe fixing seat (10) is equipped with sealing ring card slot (91), is equipped with sealing ring (9) in sealing ring card slot (91), water pipe fixing seat
(10) it is sealed between shank fixing seat (7) by sealing ring (9)；The water pipe fixing seat (10) is column structure, front end
Equipped with capillary fixation hole (31), water pipe fixing seat (10) middle section is equipped with water inlet (141), and water inlet (141) and capillary are solid
Determine hole (31) connection, is equipped with inside water pipe fixing seat (10) through its internal water outlet (151), water pipe fixing seat (10) front end
Cavity between the inner wall of shank fixing seat (7) is water chamber (50)；The inner wall of water inlet (141) and shank fixing seat (7)
Between cavity be intake antrum (51)；Capillary (3) outer wall of SAPMAC method ablation needle and shank (2) inner wall of SAPMAC method ablation needle
Between gap be connected to water chamber (50), water chamber (50) is connected to water outlet (151)；The capillary of SAPMAC method ablation needle
(3) inside is connected to water inlet (141), and water inlet pipe (12) is connected to by water inlet pipe fixing seat (121) with water inlet (141), out
Water pipe (11) is connect by outlet pipe fixing seat (111) with water outlet (151), water inlet pipe fixing seat (121), outlet pipe fixing seat
(111) and electrode wires fixing seat (131) is separately positioned on water pipe fixing seat (10) rear end, and the temperature-compensating of SAPMAC method ablation needle is led
Line (17) and thermocouple sensor conducting wire (4) are pierced by from electrode wires fixing seat (131).
2. a kind of bypassing circulation sealing device of SAPMAC method ablation needle according to claim 1, it is characterised in that it is described into
Water pipe fixing seat (121), outlet pipe fixing seat (111) and electrode wires fixing seat (131) are respectively tubular structure, and electrode wires are solid
The length of reservation (131) is longer, stretches out shank fixing seat (7) rear end.
3. a kind of bypassing circulation sealing device of SAPMAC method ablation needle according to claim 1, it is characterised in that the needle
It is additionally provided in bar fixing seat (7) radio frequency line fixing seat (22), the radio frequency line (16) of SAPMAC method ablation needle is fixed on radio frequency line and fixes
On seat (22).
4. a kind of bypassing circulation sealing device of SAPMAC method ablation needle according to claim 1, it is characterised in that the needle
After bar fixing seat (7) is placed in water pipe fixing seat (10), marine glue is injected in the rear end of shank fixing seat (7), forms sealing tail-hood
(15)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610768998.9A CN106236253B (en) | 2016-08-29 | 2016-08-29 | A kind of bypassing circulation sealing device of SAPMAC method ablation needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610768998.9A CN106236253B (en) | 2016-08-29 | 2016-08-29 | A kind of bypassing circulation sealing device of SAPMAC method ablation needle |
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| CN106236253A CN106236253A (en) | 2016-12-21 |
| CN106236253B true CN106236253B (en) | 2019-02-26 |
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| CN201610768998.9A Active CN106236253B (en) | 2016-08-29 | 2016-08-29 | A kind of bypassing circulation sealing device of SAPMAC method ablation needle |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107854174B (en) * | 2017-12-01 | 2023-08-22 | 安隽医疗科技(南京)有限公司 | Internal cooling radio frequency ablation needle |
| CN112022332B (en) * | 2020-09-03 | 2024-03-08 | 至善介入消融技术研究院(南京)有限公司 | Ablation needle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6554827B2 (en) * | 2000-12-11 | 2003-04-29 | Scimed Life Systems, Inc. | Radio frequency ablation system |
| CN100448414C (en) * | 2007-01-26 | 2009-01-07 | 江苏天马高科技有限责任公司 | Multi-needle cooled tip electrodes |
| CN206303970U (en) * | 2016-08-29 | 2017-07-07 | 安隽医疗科技(南京)有限公司 | A kind of bypassing circulation sealing device of SAPMAC method ablation needle |
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Inventor after: Chen Zhiming Inventor before: Chen Zhiming Inventor before: Li Linhua Inventor before: Cheng Xianben |