CN107374726A - The radio-frequency ablation electrode needle and installation, application method of a kind of adjustable active length - Google Patents
The radio-frequency ablation electrode needle and installation, application method of a kind of adjustable active length Download PDFInfo
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- CN107374726A CN107374726A CN201710776807.8A CN201710776807A CN107374726A CN 107374726 A CN107374726 A CN 107374726A CN 201710776807 A CN201710776807 A CN 201710776807A CN 107374726 A CN107374726 A CN 107374726A
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- sliding block
- sleeve pipe
- needle
- radio
- frequency ablation
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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
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00059—Material properties
- A61B2018/00071—Electrical conductivity
- A61B2018/00083—Electrical conductivity low, i.e. electrically insulating
-
- 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
- A61B2018/00577—Ablation
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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
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00642—Sensing and controlling the application of energy with feedback, i.e. closed loop control
-
- 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
- A61B2018/00702—Power or energy
-
- 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
- A61B2018/1405—Electrodes having a specific shape
- A61B2018/1425—Needle
Abstract
The present invention relates to a kind of radio-frequency ablation electrode needle of adjustable active length and installation, application method, the radio-frequency ablation electrode needle includes handle, needle body and uses sliding block and sleeve pipe made of insulating materials, the sliding block is tightly sleeved on needle body insulating barrier and is flexibly connected with it, the sleeve pipe that closely embedded end can be on needle body working end slidably in one end of sliding block, has gap between the internal diameter of sleeve pipe and the external diameter of needle body.The present invention adjusts the length of the needle body working end of electrode needle by insulating sleeve, can be in the case where being changed without radio-frequency ablation electrode needle, the position that vital tissue and organ are closed on according to the size of tumor shape or tumour is far and near, working end length is adjusted in real time to reach the ablation purpose of different size tumour, and by insulating sleeve to electrode needle working end length block with it is exposed, adjust the power output of RF ablation, so as to avoid the destruction to surrounding tissue cells, the security of tumour ablation is improved.
Description
Technical field
The present invention relates to technical field of medical instruments, specifically, refers to a kind of RF ablation of adjustable active length
Electrode needle and installation, application method.
Background technology
Radio-frequency ablation procedure is a kind of minimal invasive neoplasm in situ treatment technology, i.e., by means of image skills such as ultrasound, scope or CT
Art is guided, and electrode needle is inserted directly into intra-tumor, focus local organization is produced high temperature, most drying, final set by RF energy
Gu and inactivation soft tissue and tumour.Wherein, radio-frequency ablation electrode needle is the critical component in radiofrequency ablation therapy system, and it is to penetrating
Frequency ablation effect has vital effect.And the working end length of radio-frequency ablation electrode needle directly determines ablated tumor volume
Scope, in RF ablation clinic, the patient of multiple tumour, the focus shape of its multiple tumour varies；Tumor focus
Vital tissue and the patient by organ are closed on, the distance of its knub position is not known, and the RF ablation that working end length is single
Electrode needle can not adapt to the requirement of oncotherapy in real time.
At present, radio-frequency ablation electrode needle of the prior art, its working end length is unadjustable, over the course for the treatment of, needs
The electrode needle of working end length matching is constantly changed, the manipulation strength for the treatment of personnel is added, thus easily causes treatment personnel
Maloperation.Therefore, it is necessary to design a kind of adjustable radio-frequency ablation electrode needle of working end length, can disappear being changed without radio frequency
In the case of melting electrode needle, the position distance of vital tissue and organ is closed on according to focus shape size or focus, is adjusted in real time
Full employment end length is to reach the ablation range of different size tumour, so as to the tumour that precision ablation shape size is different,
And improve focus and close on vital tissue and the ablation security by organ.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of radio-frequency ablation electrode needle and peace of adjustable active length
Dress, application method, to solve the problems, such as that radio-frequency ablation electrode needle working end length of the prior art is unadjustable.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：
A kind of radio-frequency ablation electrode needle of adjustable active length is provided, including handle, needle body and uses insulation material
Sliding block made of material and sleeve pipe, the sliding block is tightly sleeved on needle body insulating barrier and is flexibly connected with it, in one end of sliding block
The sleeve pipe that closely embedded end can be on needle body working end slidably, between having between the internal diameter of sleeve pipe and the external diameter of needle body
Gap.
The present invention operation principle be：Sliding block and sleeve pipe are assembled on radio-frequency ablation electrode needle, because sleeve pipe is using exhausted
Edge material is made, and according to the size of tumour, by the sliding block that promotes or pull back, sleeve pipe is gradually blocked or expose the needle body of electrode needle
Working end, so as to realize the adjustable purpose of radio-frequency ablation electrode needle working end length.The present invention can avoid in the prior art
The problem of uncontrollable electrode needle of working end length is destroyed to surrounding tissue cells.Similarly, according to closing on vital tissue and device
The position of official is far and near, and the purpose of ablated tumor can be also reached by adjusting the working end length of electrode needle.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, it is provided with resistance-changing resistor device in the handle, the regulation button on resistance-changing resistor device passes through through outside handle
The connecting rod of shell is connected with the sliding block, and the interface on resistance-changing resistor device is connect by the identification of data wire and RF ablation main frame
Mouth is connected.
Further, one end of the connecting rod is provided with the screw connection in embedded sliding block, the other end and tune of connecting rod
Section button is fixedly connected.
Further, the resistance-changing resistor device directly slides potentiometer using slide rheostat or Slide Sensor v1.1.
Further, the external diameter of described sleeve pipe free end is gradually reduced.
Further, the sliding block has with bell-mouthed centre bore, and described sleeve pipe is in be fitted with horn mouth with sliding block connection end
That matches somebody with somebody tightens up mouth-shaped, and sleeve pipe is inserted in the centre bore of sliding block by tightening up mouth with bell-mouthed cooperation.
Further, the side wall of the centre bore is provided with friction particles, described sleeve pipe with the lateral wall of sliding block connection end
It also is provided with friction particles.
Further, the material of the sliding block is silica gel or latex, and the material of described sleeve pipe is polyimides or Teflon.
The present invention also provides a kind of installation method of the radio-frequency ablation electrode needle of adjustable active length, including following step
Suddenly：
S101. the stainless steel tube for being more than needle body external diameter from internal diameter is penetrated in sliding block；
S102. stainless steel tube is packed on needle body, makes sliding block one end at handle；
S103. fix sliding block and remove stainless steel tube from needle body；
S104. sleeve pipe is inserted in needle body, holds sleeve pipe and promote sliding block to be moved to needle point direction, until sleeve pipe insertion sliding block
It is interior；
S105. the screw connection in connecting rod is screwed in sliding block.
The present invention also provides a kind of application method of the radio-frequency ablation electrode needle of adjustable active length, including following step
Suddenly：
S201. needle point and sleeve pipe are penetrated into patient's body simultaneously；
S202. the working end length of radio-frequency ablation electrode needle is adjusted as needed：
Sliding block is promoted to be moved to needle point direction, sleeve pipe is overall to the movement of needle point direction with sliding block, insulating sleeve is gradually hidden
Keep off the working end length of radio-frequency ablation electrode needle；
Sliding block of pulling back moves to handle orientations, and sleeve pipe is overall to handle orientations movement with sliding block, insulating sleeve is gradually revealed
Go out the working end length of radio-frequency ablation electrode needle.
Relative to prior art, the invention has the advantages that：
(1) present invention adjusts the length of the needle body working end of electrode needle by insulating sleeve, can be changed without radio frequency
In the case of ablating electrode pin, the position distance of vital tissue and organ is closed on according to the size of tumor shape or tumour, it is real
When adjust the length of needle body working end, to reach the ablation purpose of different size tumour, and by insulating sleeve to electrode needle
Blocking with exposed for needle body working end length, can adjust the power output of RF ablation, so as to avoid to surrounding tissue
The destruction of cell, improve the security of tumour ablation.
(2) present invention sets up resistance-changing resistor device in handle, and regulation button can be driven when mobile sliding block in variate electricity
Moved on resistance device, so as to change the resistance of resistance-changing resistor device, on the one hand RF ablation main frame can by the size of detection resistance
The length value of needle body working end is shown, on the other hand, RF ablation main frame can also be according to the length value of needle body working end
With different power outputs, so that the power output of RF ablation quantifies, the security of tumour ablation is further increased.
(3) present invention is relative to the adjustable radio-frequency ablation electrode needle of working end length in the prior art, simple in construction, make
With conveniently, manufactured without large-scale production equipment, so as to reduce production cost, improve the reality of radio-frequency ablation electrode needle
The property used.
Brief description of the drawings
Fig. 1 is the sectional view of the present invention；
Fig. 2 is the structural representation of sliding block and sleeve pipe；
Fig. 3 is the attachment structure schematic diagram of sliding block and sleeve pipe.
In accompanying drawing, the part representated by each label is as follows：
1st, handle, 2, needle body insulating barrier, 3, needle body working end, 4, needle point, 5, sliding block, 6, sleeve pipe, 7, centre bore, 8, variate
Resistor, 9, regulation button, 10, connecting rod, 11, interface, 12, bolt, 13, screw connection.
Embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
Embodiment 1：
A kind of radio-frequency ablation electrode needle of adjustable active length, as shown in Figure 1 to Figure 3, including the insulation of handle 1, needle body
Layer 2, needle body working end 3, needle point 4, sliding block 5 and sleeve pipe 6, whole needle body passes through sliding block 5, in order that sliding block 5 and needle body are close
Connection, a kind of embodiment are needle bodies directly through solid sliding block 5, have larger bond between such sliding block 5 and needle body
Power, the tube wall of sleeve pipe 6 is now arranged to 0.05 millimeter, the end of sleeve pipe 6 can be made easily to insert in sliding block 5；It is another real
The mode of applying is that setting centre bore 7, needle body pass through centre bore 7, can so ensure that sliding block 5 is penetrating needle body process on sliding block 5
In be not easy positioning.Be 1.8 millimeters of needle body according to external diameter, then the internal diameter of sleeve pipe 6 can use 1.83 millimeters, sleeve pipe 6 it is interior
There is 0.03 millimeter of gap, one side gap can be easy to movement of the sleeve pipe 6 on needle body, separately between footpath and the external diameter of needle body
On the one hand the phenomenon that gap is excessive and causes sleeve pipe 6 that fold occurs in use can also be prevented.Above-mentioned sliding block 5 can be
The arbitrary shapes such as spherical, cylindrical, square, hyperbolic cylindricality, the size foundation of sliding block 5 are used depending on needing.
The material of above-mentioned sliding block 5 is insulation and the big material of frictional force, preferably silica gel or latex；The material of above-mentioned sleeve pipe 6
Matter is insulation and smooth material, preferably polyimides or Teflon.Silica gel or latex have higher elastic pressure, polyamides
Imines or Teflon quality is harder, surface is smooth, when sleeve pipe 6 is embedded in sliding block 5, can make sleeve pipe 6 sliding block 5 frictional force with
The lower close connection of extruding force effect, also has higher frictional force and extruding force between sliding block 5 and needle body insulating barrier 2, and sleeve pipe 6
It is the surface of smooth contact between needle body insulating barrier 2, therefore, the depth that sleeve pipe 6 inserts sliding block 5 can determine sliding block 5 in pin
The drag size slided on body, such as：When the depth of the insertion sliding block 5 of sleeve pipe 6 is shallower, then resistance to sliding of the sliding block 5 on needle body
Greatly, it is easy to the fixation of sliding block 5；When sleeve pipe 6 runs through sliding block 5, then resistance to sliding of the sliding block 5 on needle body is small, is easy to the cunning of sliding block 5
Depth dynamic, that user can need adjusting sleeve pipe 6 to insert sliding block 5 according to using.In addition, polyimides or Teflon high temperature resistant are high
Pressure, is unlikely to deform fold, ensure that good therapeutic effect of the present invention.
The present invention manufactures without the production equipment of high cost, greatly reduces production cost, and drive by sliding block 5
Sleeve pipe 6 is slided on needle body made of insulating materials, and sleeve pipe 6 can be made to be blocked to needle body working end 3 or exposed, so as to metering needle
The treatment intensity at body running end 3.
Embodiment 2：
As shown in Figure 1 to Figure 3, in order that RF ablation main frame can show that the length value of needle body working end 3, and make
RF ablation main frame can match different power outputs according to the length value of needle body working end 3, so that RF ablation is defeated
Go out power quantization, further to improve the security of tumour ablation, model Slide Sensor v1.1 are set up in handle 1
Resistance-changing resistor device 8, wherein, the regulation button 9 on resistance-changing resistor device 8 is fixedly connected with connecting rod 10, connecting rod 10 it is another
End is connected with sliding block 5, and is provided with screw connection 13 in one end of the insertion sliding block 5 of connecting rod 10, can push away sliding block 5
Move, pull back during will not be moved relative to regulation button 9, to ensure the accuracy of RF ablation power output.Connecting rod 10
Through the shell of handle 1, the interface 11 on resistance-changing resistor device 8 is connected by data wire with the identification interface of RF ablation main frame
Connect, resistance-changing resistor device 8 is fixed on the inner side of the shell of handle 1 by bolt 12.Above-mentioned resistance-changing resistor device 8, which can also use to slide, to be become
Device is hindered to replace.
As shown in Figure 2 and Figure 3, sliding block 5 is provided with bell-mouthed centre bore 7, and sleeve pipe 6 with the connection end of sliding block 5 is in and horn mouth
Adaptation tightens up mouth-shaped, consequently facilitating sleeve pipe 6 is aligned with the horn mouth of sliding block 5, and then sleeve pipe 6 is easily inserted sliding block 5
Centre bore 7 in.In order to further improve the frictional force between sliding block 5 and sleeve pipe 6, can also be set in the side wall of centre bore 7
Friction particles are put, friction particles are also provided with the lateral wall of sleeve pipe 6 Yu the connection end of sliding block 5, after sleeve pipe 6 inserts sliding block 5, are rubbed
Extruding force can be formed to the lateral wall of sleeve pipe 6 and the madial wall of sliding block 5 by wiping particle, so that sliding block 5 closely connects with sleeve pipe 6
It is connected together.In addition, the external diameter of the free end of sleeve pipe 6 is gradually reduced, in order to which needle point 4 can smoothly inject patient with sleeve pipe 6
In vivo.
Embodiment 3：
The present invention provides a kind of installation method of the radio-frequency ablation electrode needle of adjustable active length, is more than pin from internal diameter
The stainless steel tube in external footpath is penetrated in sliding block 5, and stainless steel tube is packed on needle body, makes sliding block one end at handle 1, fixed to slide
Block 5 simultaneously removes stainless steel tube from needle body, and sleeve pipe 6 is inserted in into needle body, holds sleeve pipe and promotes sliding block 5 to the direction of needle point 4
It is mobile, until sleeve pipe 6 is embedded in sliding block 5, finally the screw connection 13 in connecting rod 10 is screwed in sliding block, you can completion is penetrated
The installation of frequency ablating electrode pin.The present invention is enclosed on needle body by stainless steel tube guide shoe 5, can be avoided because Direct perforantes are slided
Block and cause the curved disconnected of needle body, and sliding block 5 made of silica gel has a higher elastic pressure, after taking-up stainless steel tube, sliding block 5
Needle body can be bonded tightly.
Embodiment 4：
The present invention also provides a kind of application method of the radio-frequency ablation electrode needle of adjustable active length, by needle point 4 and set
Pipe 6 penetrates patient's body simultaneously, further according to the working end length needed by the adjustment radio-frequency ablation electrode needle of sliding block 5：
When promoting sliding block 5 to be moved to the direction of needle point 4, sleeve pipe 6 is overall to the movement of the direction of needle point 4 with sliding block 5, makes insulation sleeve
Pipe 6 gradually blocks the needle body working end 3 of radio-frequency ablation electrode needle, while sliding block 5 drives regulation button 9 on resistance-changing resistor device 8
Move, the resistance value of RF ablation Host Detection resistance-changing resistor device 8, the length value of needle body working end 3 is shown towards the direction of needle point 4
Show on RF ablation main frame, and the length value shortened according to needle body working end 3 distributes corresponding power output.
When sliding block 5 of pulling back moves to the direction of handle 1, sleeve pipe 6 is overall to the movement of the direction of handle 1 with sliding block 5, makes insulation sleeve
Pipe 6 gradually exposes the needle body working end 3 of radio-frequency ablation electrode needle, while sliding block 5 drives regulation button 9 on resistance-changing resistor device 8
Move, the resistance value of RF ablation Host Detection resistance-changing resistor device 8, the length value of needle body working end 3 is shown backwards to the direction of needle point 4
Show on RF ablation main frame, and the length value extended according to needle body working end 3 distributes corresponding power output.
The present invention according to the size of tumor patient focus, can the different exposed length in metering needle body running end 3, with matching
The distribution power of RF ablation main frame.Such as：The total length of needle body working end 3 is 3 centimetres, when tumour is smaller, promotes sliding block 5
The length for exposing needle body working end 3 is 2 centimetres, now 80 watts of RF ablation host assignment power；When tumour is larger, pull back
The length that sliding block 5 exposes needle body working end 3 is 3 centimetres, now 120 watts of RF ablation host assignment power.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (10)
- A kind of 1. radio-frequency ablation electrode needle of adjustable active length, it is characterised in that：Adopt including handle (1), needle body and The sliding block (5) and sleeve pipe (6) being made from an insulative material, the sliding block (5) are tightly sleeved on needle body insulating barrier (2) and lived with it Sleeve pipe (6) dynamic to connect, that close embedded end can be on needle body working end (3) slidably in one end of sliding block (5), sleeve pipe (6) there is gap between internal diameter and the external diameter of needle body.
- 2. the radio-frequency ablation electrode needle of adjustable active length according to claim 1, it is characterised in that：The handle (1) it is provided with resistance-changing resistor device (8) in, the regulation button (9) on resistance-changing resistor device (8) passes through the connection through handle (1) shell Bar (10) is connected with the sliding block (5), and the interface (11) on resistance-changing resistor device (8) passes through data wire and RF ablation main frame Identification interface is connected.
- 3. the radio-frequency ablation electrode needle of adjustable active length according to claim 2, it is characterised in that：The connecting rod (10) one end is provided with the screw connection (13) in embedded sliding block (5), and the other end and regulation button (9) of connecting rod (10) are solid Fixed connection.
- 4. the radio-frequency ablation electrode needle of adjustable active length according to claim 3, it is characterised in that：The variate electricity Hinder device (8) and potentiometer is directly slided using slide rheostat or SlideSensorv1.1.
- 5. the radio-frequency ablation electrode needle of adjustable active length according to claim 4, it is characterised in that：Described sleeve pipe (6) external diameter of free end is gradually reduced.
- 6. the radio-frequency ablation electrode needle of the adjustable active length according to any one of claim 1 to 5, it is characterised in that： It is in what is be adapted to horn mouth with sliding block (5) connection end that the sliding block (5), which has with bell-mouthed centre bore (7), described sleeve pipe (6), Mouth-shaped is tightened up, sleeve pipe (6) coordinates the centre bore (7) for inserting sliding block (5) interior by tightening up mouth with bell-mouthed.
- 7. the radio-frequency ablation electrode needle of adjustable active length according to claim 6, it is characterised in that：The centre bore (7) side wall is provided with friction particles, and described sleeve pipe (6) on the lateral wall of sliding block (5) connection end with also being provided with friction particles.
- 8. the radio-frequency ablation electrode needle of the adjustable active length according to any one of claim 1 to 5, it is characterised in that： The material of the sliding block (5) is silica gel or latex, and the material of described sleeve pipe (6) is polyimides or Teflon.
- 9. a kind of installation method of the radio-frequency ablation electrode needle of the adjustable active length described in any one of claim 1 to 8, its It is characterised by, comprises the following steps：S101. the stainless steel tube for being more than needle body external diameter from internal diameter is penetrated in sliding block；S102. stainless steel tube is packed on needle body, makes sliding block one end at handle；S103. fix sliding block and remove stainless steel tube from needle body；S104. sleeve pipe is inserted in needle body, holds sleeve pipe and promote sliding block to be moved to needle point direction, until in sleeve pipe insertion sliding block；S105. the screw connection in connecting rod is screwed in sliding block.
- 10. a kind of application method of the radio-frequency ablation electrode needle of the adjustable active length described in any one of claim 1 to 8, It is characterised in that it includes following steps：S201. needle point and sleeve pipe are penetrated into patient's body simultaneously；S202. the working end length of radio-frequency ablation electrode needle is adjusted：Sliding block is promoted to be moved to needle point direction, sleeve pipe is overall to the movement of needle point direction with sliding block, insulating sleeve is gradually blocked and penetrates The working end length of frequency ablating electrode pin；Sliding block of pulling back moves to handle orientations, and sleeve pipe is overall to handle orientations movement with sliding block, insulating sleeve is gradually exposed and penetrates The working end length of frequency ablating electrode pin.
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| CN201710776807.8A CN107374726B (en) | 2017-08-31 | 2017-08-31 | Radio frequency ablation electrode needle with adjustable working length and mounting method |
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| CN108201507A (en) * | 2018-03-12 | 2018-06-26 | 朱彦铭 | A kind of acupuncture needle that there is electric heating and share shielding heat reflection insulated heat |
| CN112022338A (en) * | 2019-06-04 | 2020-12-04 | 赛诺微医疗科技（浙江）有限公司 | Electroporation ablation electrode needle and treatment system using same |
| CN112220556A (en) * | 2020-12-14 | 2021-01-15 | 上海微创电生理医疗科技股份有限公司 | Medical catheter and medical equipment |
| CN112402006A (en) * | 2020-10-12 | 2021-02-26 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Electric scalpel capable of manually controlling and adjusting power |
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