CN110179534A - A kind of nano-knife ablating electrode - Google Patents
A kind of nano-knife ablating electrode Download PDFInfo
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- CN110179534A CN110179534A CN201910567728.5A CN201910567728A CN110179534A CN 110179534 A CN110179534 A CN 110179534A CN 201910567728 A CN201910567728 A CN 201910567728A CN 110179534 A CN110179534 A CN 110179534A
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- 230000005611 electricity Effects 0.000 claims description 3
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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
-
- 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
-
- 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
- A61B2018/00613—Irreversible electroporation
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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
- A61B2018/00964—Features of probes
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Otolaryngology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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Abstract
The invention discloses a kind of nano-knife ablating electrodes, including grip part, it is slidably mounted on the pushing part in the grip part, the electrode needle being connected with one end of the pushing part, the power supply being electrically connected with the electrode needle, the present invention keeps the length of exposure of electrode needle adjustable by the setting of telescopic electrode needle, to adapt to the ablation of different size tumours.Electrode material uses metal or graphene, resistivity is small, reduces the diameter of electrode needle, and cable is mounted on the side of electrode needle, it easily fixes, the torsion generated to electrode needle can be effectively reduced, when avoiding ablation, the variation of electrode position is caused due to the drawing of patient muscle's contraction and high-tension cable, handle and electrode casing are equipped with graduated scale, electrode needle length of exposure and electrode needle insertion depth are provided respectively, are easier electrode merging, it is more acurrate.
Description
Technical field
The present invention relates to tumour ablation treating technical fields, particularly relate to a kind of nano-knife ablating electrode.
Background technique
Tumour ablation treating technology refers under image guidance, by the energy levels such as radio frequency, microwave, freezing, laser, electric field essence
Standard is punctured to tumor target, implements precisely minimally invasive ablation, hatching in situ tumour is completely new accurate Minimally Invasive Surgery.Heating ablation
By being heated or being freezed to tissue, to destroy tumour cell, the physics ablation techniques of wide clinical application include argon at present
Helium knife cryoablation, radio frequency, microwave and laser heating ablation etc..Although curative for effect, major defect is these ablation techniques
Non-selectivity to disorganization, i.e., in zone of ablation in addition to tumor tissues, normal histoorgan for example blood vessel, nerve,
Bile duct, ductus pancreaticus etc. are totally corrupted.This is the disadvantage is that cause the main reason for melting Post-operative complications, and such as clinic is common
Ablation post-operative hemorrhage volume, biliary system damage, intestinal tube perforation and neurological dysfunction etc..Further, since blood flow can take away heat
Amount, heating ablation effect are influenced seriously by hemoperfusion.And heating ablation is to lead to tissue necrosis, is not easy to excrete.
Nano-knife ablation is a kind of non-thermal ablation techniques, it is to realize ablation of tissue mesh using irreversibility electroporation
's.Irreversible electroporation refers to the process of causes cell membrane generation permanent penetrating by applying high-intensitive external electrical field.It is external
Membrane potential caused by electric field causes the interior formation of cell membrane numerous nanometer level microporous, destroys cell homeostasis.If applied
The electric field added is more than a certain threshold value, will lead to membrane structure and cell homeostasis permanent damage, causes to be immunoreacted, thus
Lead to natural death of cerebral cells.
Compared with heating ablation art, there are three advantages for nano-knife ablation tool.Firstly, ablation time is very short, in 1min
Create the ablation areas that diameter is about 3cm.Secondly as nano-knife ablation is non-thermal ablation, do not influenced by blood flow, it can be with blood
Complete cell death is generated around pipe.Third, nano-knife ablation be living cells, the cellular matrix that it theoretically retains and
The structure of cell peripheral, so big blood vessel and bile duct are structurally and functionally still maintaining complete.
Nano-knife tumour ablation equipment is made of impulse generator and ablating electrode two parts.Impulse generator is according to doctor
The parameter output treatment pulse of setting, ablating electrode are inserted into around tumour, form strong electrical field in inside tumor.Ablating electrode band
There is scale, the length of exposure of needle point is 0-5cm (adjustable).When treatment, doctor is percutaneous by ablating electrode needle under iconography guidance
It is parallel to puncture to tumor locus, apply high-intensitive short pulse electric field in electrode needle, tumor cell membrane is made to form irreversible hole,
Inducing apoptosis of tumour cell achievees the purpose that ablated tumor cell.
But it has been found that needing to treat using a variety of ablating electrodes for various sizes of tumour, this undoubtedly increases
Add the difficulty of operation, while also increasing the pain of patient.
Summary of the invention
In view of this, it is an object of the invention to propose a kind of nano-knife ablating electrode, to it to solve the above problems
One or whole.
Based on a kind of above-mentioned purpose nano-knife ablating electrode provided by the invention, comprising:
Grip part, offers sliding cavity in the grip part, and one end of the grip part is provided with insulating sleeve, it is described absolutely
Edge casing is connected with the sliding cavity, and the length direction of grip part described in a lateral edge of the grip part offers opening；
Pushing part, the pushing part are slidably mounted in the sliding cavity；
Electrode needle, one end of the electrode needle are connected with the pushing part, and the other end of the electrode needle is by described exhausted
Edge casing extends outwardly；
Power supply, the power supply penetrates the sliding cavity by shown opening, and is electrically connected with the electrode needle；
Wherein, operating the pushing part can be changed the length that the electrode needle stretches out the insulating sleeve.
Further, the electrode needle is made of good conductor.
Further, the insulating sleeve is made of biocompatible polymer material.
Further, the outer surface of the insulating sleeve is printed with scale.
Further, the power supply includes cable, and one end of the cable is fixedly connected with the pushing part, and described
One end of cable is electrically connected with the electrode needle, and the other end of the cable is equipped with power supply connector.
Further, the cable is multicore silica gel high-voltage line.
Further, the grip part is cylindrical handle, and the outer surface of the handle is printed with scale.
Further, the handle is plastic material.
Further, the pushing part is push rod, is provided with locking mechanism in the push rod.
Further, the locking mechanism includes fixed block, and the fixed block is mounted on the end of the push rod, described solid
Determine block and along the circumferential direction uniformly offer several sliding eyes, offer vertical hole in the middle part of the fixed block, the sliding eye with
The vertical hole is connected, and convex block is convexly equipped in the middle part of the vertical hole, and locking block is slidably fitted in the sliding eye, described
First spring is installed between locking block and the convex block, is slidably fitted with pushing block in the vertical hole, the pushing block with
Second spring is installed, the end outer of the pushing block is convexly equipped with several wedge teeth, and the locking block is close between the convex block
The side in the vertical hole is equipped with voussoir, and the wedge tooth is matched with the voussoir.
From the above it can be seen that nano-knife ablating electrode proposed by the present invention, passes through setting for telescopic electrode needle
It sets, keeps the length of exposure of electrode needle adjustable, to adapt to the ablation of different size tumours.Electrode material uses metal or graphite
Alkene, resistivity is small, reduces the diameter of electrode needle, and cable is mounted on the side of electrode needle, easily fixes, can be effectively reduced
To the torsion that electrode needle generates, when avoiding ablation, cause electrode position since patient muscle shrinks the drawing with high-tension cable
Variation, handle and electrode casing are equipped with graduated scale, provide electrode needle length of exposure and electrode needle insertion depth respectively, make electricity
Pole merging is easier, more acurrate.
Detailed description of the invention
Fig. 1 is that the electrode needle of the nano-knife ablating electrode of the embodiment of the present invention is located at the schematic diagram of initial position；
Fig. 2 is the schematic diagram when electrode needle of the nano-knife ablating electrode of the embodiment of the present invention is released；
Fig. 3 is the schematic diagram of the locking mechanism of the embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
Attached drawing, the present invention is described in more detail.
Based on a kind of above-mentioned purpose nano-knife ablating electrode provided by the invention, as depicted in figs. 1 and 2, including grip part
2, it is slidably mounted on the pushing part 1 in the grip part 2, the electrode needle 6 being connected with one end of the pushing part 1, with
The power supply 8 that the electrode needle 6 is electrically connected；
Specifically, as one embodiment of the present invention, sliding cavity, the gripping are offered in the grip part 2
The one end in portion 2, which is melted, is welded with insulating sleeve 5, and the insulating sleeve 5 is connected with the sliding cavity, a lateral edge of the grip part 2
The length direction of the grip part 2 offers opening 7, and one end of the electrode needle 6 is fixedly connected with the pushing part 1, described
The other end of electrode needle 6 is extended outwardly by the insulating sleeve 5, and the power supply 8 penetrates the sliding cavity by shown opening 7,
And it is electrically connected with the electrode needle 6；When specifically used, operate the pushing part 1 can be changed the electrode needle 6 stretch out it is described absolutely
The length of edge casing 5 keeps the length of the exposure of electrode needle 6 adjustable, can adapt to the ablation of different size tumours, reduce behaviour
The difficulty of work, power supply 8 are electrically connected by side with electrode needle 6, and the torsion that power supply 8 generates electrode needle 6 can be effectively reduced
Power, when avoiding ablation, since patient muscle shrinks the variation of 6 position of electrode needle caused by the drawing with power supply 8.
Further, electrode needle 6 is used to make to form electric field in tissue, the electrode needle 6 is using good to organized delivery electric current
Conductor production.The good conductor can be metal, can also be manufactured with material graphene, and 6 end of electrode needle is designed as cone shape,
It is able to maintain optimal puncture resistance and strength of materials performance.
Further, 5 sets of the insulating sleeve peripheries in the electrode needle 6, and have centainly with the electrode needle 6
Gap, be electrode needle 6 being free to move axially along insulating sleeve 5, insulative guide sleeves to protect non-treatment region from
The influence of electric field, the insulating sleeve 5 is made of biocompatible polymer material, such as polytetrafluoroethylene (PTFE), polyurethane or Buddhist nun
Dragon etc..
Further, the outer surface of the insulating sleeve 5 is printed with scale 4.For showing that electrode needle 6 is implanted into the depth of human body
Degree.
Further, the power supply 8 includes cable, and cable uses multicore silica gel high-voltage line, has degree of flexibility good, pressure resistance
High advantages, the one end of the cable such as steerable are fixedly connected with the pushing part 1, and cable core and electrode in the cable
Needle 6 welds together, and cable is made to keep being electrically connected with electrode needle 6, and the contact of cable and pushing part 1 is placed on the side of pushing part 1
Face, close to one end of insulating sleeve 5, this setting can effectively reduce the torsion that cable generates electrode needle 6, avoid melting
When, the variation of electrode position, the other end installation of the cable are caused due to the drawing of patient muscle's contraction and high-tension cable
There is power supply connector 9.Power supply connector 9 is connected with nano-knife impulse generator, the electricity that cable exports nano-knife impulse generator
Pressure signal gives electrode needle 6.High-tension cable is moved together with pushing part 1, improves electrical contact quality.
Further, the grip part 2 is cylindrical handle, and diameter 6-12mm, material is plastics, not only insulating properties
It is good, it is also convenient for producing and manipulate, handle can make of transparent material, facilitate position of the observation pushing part 1 in handle, described
The outer surface of handle is printed with scale 3, the length exposed for showing 6 end of electrode needle.
Further, the pushing part 1 is push rod, is provided with locking mechanism in the push rod.Push rod is mounted in handle
Portion can slide automatically, range 40mm along the sliding cavity in handle.
Further, as shown in figure 3, the locking mechanism includes fixed block 10, the fixed block 10 is mounted on described push away
The end of bar, the fixed block 10 along the circumferential direction uniformly offer several sliding eyes 11, and the middle part of the fixed block 10 opens up
There is vertical hole 12, the sliding eye 11 is connected with the vertical hole 12, and the middle part in the vertical hole 12 is convexly equipped with convex block 13, institute
It states and is slidably fitted with locking block 14 in sliding eye 11, the first spring 15 is installed between the locking block 14 and the convex block 13,
It is slidably fitted with pushing block 16 in the vertical hole 12, second spring is installed between the pushing block 16 and the convex block 13
17, the end outer of the pushing block 16 is convexly equipped with several wedge teeth 18, side of the locking block 14 close to the vertical hole 12
Equipped with voussoir 19, the wedge tooth 18 is matched with the voussoir 19.Wherein, under free state, the locking block 14 is in the first bullet
Expose the sliding eye 11 under the action of spring 15, it is inconsistent with the inside of sliding cavity, so that push rod and handle is kept lock state, is
Increasing friction force, one end that the locking block 14 exposes the sliding eye 11 are equipped with anti-slop serrations 20, need to adjust electrode needle 6 and stretch
When length out, pushing block 16 is inwardly pushed, pushing block 16 overcomes the elastic force of second spring 17 to move into vertical hole 12, pushes
Block 16 drives wedge tooth 18 mobile, and then drives locking block 14 to lean on to the middle part of fixed block 10 by wedge tooth 18 and the cooperation of voussoir 19
Closely, so that anti-slop serrations 20 is detached from the inner wall of sliding cavity, unlock, by pushing push rod to adjust the length that electrode needle 6 is stretched out, this is set
The position for setting electrode needle 6 when can avoid carrying out ablation changes.
It is located at the top of handle using preceding push rod, is retracted the ontology of electrode needle 6 in insulating sleeve 5, only exposes needle point, push away
When bar slides, electrode needle 6 is driven to slide together, the length that electrode needle 6 exposes in the tissue is determined according to scale 3, when electrode needle 6
When exposing designated length, locking mechanism locking, the position of electrode needle 6 changes when avoiding carrying out ablation；The present invention is logical
The setting for crossing telescopic electrode needle 6, keeps the length of exposure of electrode needle 6 adjustable, to adapt to the ablation of different size tumours.
Electrode material uses metal or graphene, and resistivity is small, reduces the diameter of electrode needle 6, and cable is mounted on the side of electrode needle 6
Face easily fixes, and the torsion generated to electrode needle 6 can be effectively reduced, when avoiding ablation, due to patient muscle's contraction and height
The drawing of voltage cable and the variation for causing electrode position, handle and electrode casing are equipped with 3 ruler of scale, provide electrode needle 6 respectively
6 insertion depth of length of exposure and electrode needle is easier electrode merging, more acurrate, and electrode handle diameter is 6~12mm, length
It is small for 50~80mm bulking value, it is light-weight, it is easy to operate.
It should be understood by those ordinary skilled in the art that: the discussion of any of the above embodiment is exemplary only, not
It is intended to imply that the scope of the present disclosure (including claim) is limited to these examples；Under thinking of the invention, above embodiments
Or can also be combined between the technical characteristic in different embodiments, step can be realized with random order, and be existed such as
Many other variations of the upper different aspect of the invention, for simplicity, they are not provided in details.
The embodiment of the present invention be intended to cover fall into all such replacements within the broad range of appended claims,
Modifications and variations.Therefore, all within the spirits and principles of the present invention, any omission, modification, equivalent replacement, the improvement made
Deng should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of nano-knife ablating electrode characterized by comprising
Grip part offers sliding cavity in the grip part, and one end of the grip part is provided with insulating sleeve, the insulation sleeve
Pipe is connected with the sliding cavity, and the length direction of grip part described in a lateral edge of the grip part offers opening wherein, behaviour
Making the pushing part can be changed the length that the electrode needle stretches out the insulating sleeve；
Pushing part, the pushing part are slidably mounted in the sliding cavity；
Electrode needle, one end of the electrode needle are connected with the pushing part, and the other end of the electrode needle is by the insulation sleeve
Pipe extends outwardly；
Power supply, the power supply penetrates the sliding cavity by shown opening, and is electrically connected with the electrode needle；
Wherein, operating the pushing part can be changed the length that the electrode needle stretches out the insulating sleeve.
2. nano-knife ablating electrode according to claim 1, which is characterized in that the electrode needle is made of good conductor.
3. nano-knife ablating electrode according to claim 1, which is characterized in that the insulating sleeve uses biocompatibility
High molecular material is made.
4. nano-knife ablating electrode according to claim 3, which is characterized in that the outer surface of the insulating sleeve is printed with
Scale.
5. nano-knife ablating electrode according to claim 1, which is characterized in that the power supply includes cable, the electricity
One end of cable is fixedly connected with the pushing part, and one end of the cable is electrically connected with the electrode needle, the cable it is another
One end is equipped with power supply connector.
6. nano-knife ablating electrode according to claim 5, which is characterized in that the cable is multicore silica gel high-voltage line.
7. nano-knife ablating electrode according to claim 1, which is characterized in that the grip part is cylindrical handle, institute
The outer surface for stating handle is printed with scale.
8. nano-knife ablating electrode according to claim 7, which is characterized in that the handle is plastic material.
9. nano-knife ablating electrode according to claim 1, which is characterized in that the pushing part is push rod, the push rod
Inside it is provided with locking mechanism.
10. nano-knife ablating electrode according to claim 9, which is characterized in that the locking mechanism includes fixed block, institute
The end that fixed block is mounted on the push rod is stated, the fixed block along the circumferential direction uniformly offers several sliding eyes, described solid
Determine to offer vertical hole in the middle part of block, the sliding eye is connected with the vertical hole, is convexly equipped in the middle part of the vertical hole convex
Block is slidably fitted with locking block in the sliding eye, and the first spring is equipped between the locking block and the convex block, described perpendicular
It is slidably fitted with pushing block into hole, second spring, the end of the pushing block are installed between the pushing block and the convex block
Portion outer is convexly equipped with several wedge teeth, and the locking block is equipped with voussoir, the wedge tooth and the wedge close to the side in the vertical hole
Block matches.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910567728.5A CN110179534A (en) | 2019-06-27 | 2019-06-27 | A kind of nano-knife ablating electrode |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910567728.5A CN110179534A (en) | 2019-06-27 | 2019-06-27 | A kind of nano-knife ablating electrode |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110507407A (en) * | 2019-09-05 | 2019-11-29 | 孙岩军 | A kind of plasma knife head for surgical and plasma operation device |
| CN118217087A (en) * | 2023-12-29 | 2024-06-21 | 苏州朗目医疗科技有限公司 | Ophthalmic radio frequency ablation system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090299366A1 (en) * | 2002-05-27 | 2009-12-03 | Celon Ag Medical Instruments | Therapy device for thermal sclerosing of body tissue |
| CN204351926U (en) * | 2014-12-29 | 2015-05-27 | 鑫海合星科技（大连）有限公司 | A kind of telescopic light source pencil |
| CN206460029U (en) * | 2017-02-13 | 2017-09-01 | 深圳市佳洁农业投资发展有限公司 | Moisture detector for meat |
| CN108366821A (en) * | 2015-11-20 | 2018-08-03 | 朴益鲁 | It is easy the electric operation device of adjustment length |
| CN109259855A (en) * | 2018-09-12 | 2019-01-25 | 中国科学院理化技术研究所 | Nanotome probe and minimally invasive device |
| CN109833091A (en) * | 2017-11-28 | 2019-06-04 | 杭州诺诚医疗器械有限公司 | ablation needle assembly and ablation system |
-
2019
- 2019-06-27 CN CN201910567728.5A patent/CN110179534A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090299366A1 (en) * | 2002-05-27 | 2009-12-03 | Celon Ag Medical Instruments | Therapy device for thermal sclerosing of body tissue |
| CN204351926U (en) * | 2014-12-29 | 2015-05-27 | 鑫海合星科技（大连）有限公司 | A kind of telescopic light source pencil |
| CN108366821A (en) * | 2015-11-20 | 2018-08-03 | 朴益鲁 | It is easy the electric operation device of adjustment length |
| CN206460029U (en) * | 2017-02-13 | 2017-09-01 | 深圳市佳洁农业投资发展有限公司 | Moisture detector for meat |
| CN109833091A (en) * | 2017-11-28 | 2019-06-04 | 杭州诺诚医疗器械有限公司 | ablation needle assembly and ablation system |
| CN109259855A (en) * | 2018-09-12 | 2019-01-25 | 中国科学院理化技术研究所 | Nanotome probe and minimally invasive device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110507407A (en) * | 2019-09-05 | 2019-11-29 | 孙岩军 | A kind of plasma knife head for surgical and plasma operation device |
| CN118217087A (en) * | 2023-12-29 | 2024-06-21 | 苏州朗目医疗科技有限公司 | Ophthalmic radio frequency ablation system |
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Application publication date: 20190830 |