CN106137384A - Lumbar vertebra radio-frequency (RF) ablation needle-like electrode catheter - Google Patents
Lumbar vertebra radio-frequency (RF) ablation needle-like electrode catheter Download PDFInfo
- Publication number
- CN106137384A CN106137384A CN201610615037.4A CN201610615037A CN106137384A CN 106137384 A CN106137384 A CN 106137384A CN 201610615037 A CN201610615037 A CN 201610615037A CN 106137384 A CN106137384 A CN 106137384A
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- Prior art keywords
- traction fiber
- handle
- welding tip
- hand rotation
- block
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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
- 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
-
- 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
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00339—Spine, e.g. intervertebral disc
-
- 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
- A61B2018/00625—Vaporization
-
- 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
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Otolaryngology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Electrotherapy Devices (AREA)
Abstract
The invention discloses a kind of spinal surgery medical apparatus and instruments, especially a kind of lumbar vertebra plasma radiofrequency electrode.This plasma radio-frequency electrode includes shell, the front end of shell is provided with welding tip, the rear end of shell is provided with wire, it is structurally characterized in that and also includes turning handle, it is provided with rotating disk in the enclosure, rotating disk is connected by screw and turning handle are fixing, it is provided with evagination the upper group handle being arranged symmetrically with at the edge of rotating disk and sets aside handle, it is respectively equipped with block and lower block in upper group of handle and the side setting aside handle, traction fiber and lower traction fiber on being provided with in welding tip, the front end of upper traction fiber and lower traction fiber is fixed on the inwall of welding tip leading head, the rear end of upper traction fiber and lower traction fiber is separately fixed on block and lower block.The present invention has that welding tip head can rotate, ablation range is big, the advantage of area for treatment controllable precise, good operation effect.
Description
Technical field
The present invention relates to a kind of spinal surgery medical apparatus and instruments, especially a kind of lumbar vertebra radio-frequency (RF) ablation needle-like electrode is led
Pipe.
Background technology
Prolapse of lumbar intervertebral disc is commonly encountered diseases and the frequently-occurring disease of clinical spinal surgery, through the clinical inspection of spinal surgeons
Looking into and can clarify a diagnosis after imaging examination, the method for the treatment of prolapse of lumbar intervertebral disc has many kinds, wherein Wicresoft's low temperature etc.
Ion radio-frequency ablation procedure is current one of new technique treating prolapse of lumbar intervertebral disc the most in the world.Plasma radiofrequency ablation at low temperature
Principle be: by plasma blade radio-frequency (RF) energy acted on spinal disc interior, vaporization part of intervertebral disc nucleus pulposus, so
The accurate hot shrinkage technology of rear recycling by insert contacts to nucleus pulposus be heated up to about 70 degree, make vertebral pulp volume-diminished, fall
Pressure in low intervertebral disc, thus alleviate intervertebral disk hernia and the compressing of nerve root is reached the purpose for the treatment of.Wicresoft's low temperature etc.
Ion radio-frequency ablation procedure has the advantage that 1, safety is high: plasma operating temperature, at 40-70 degree, low-temperature safety, is not operated on
Wound is little, protect fiber ring wall to greatest extent, does not destroy normal disc tissue；To bony structure without destroying in art, to vertebra
Stability influence is little；2, wound is little, the most hemorrhage in art, and local skin only has 1mm pin hole cicatrix, does not affects the appearance, and recovers
Hurry up, within postoperative 2-3 days, can the activity of going to the bottom leave hospital.
The welding tip head of used radio frequency ablation needle can not rotate at present, and it melts at entrance intervertebral disc
Time, can only melt in certain limited range, therapeutic domain is relatively small, it is impossible to accurately control, and therefore surgical effect is also
Not ideal enough.
Summary of the invention
The technical problem to be solved is to provide a kind of welding tip head and can freely regulate rotation, melt
Scope is big, the lumbar vertebra radio-frequency (RF) ablation needle-like electrode catheter of area for treatment controllable precise, good operation effect.
The present invention solves the problems referred to above and be the technical scheme is that this conduit includes shell, and the front end of shell is provided with electricity
Working end, pole, the rear end of shell is provided with power line, and it is structurally characterized in that and also includes turning handle, is provided with rotating disk in the enclosure, turns
Dish is connected by screw and turning handle are fixing, is provided with evagination upper group handle of being arranged symmetrically with at the edge of rotating disk and sets aside handle,
At upper group of handle with set aside the side of handle and be respectively equipped with block and lower block, be provided with in welding tip traction fiber and under lead
Drawing silk, the front end of upper traction fiber and lower traction fiber is fixed on the inwall of working end leading head, upper traction fiber and lower traction fiber
Rear end be separately fixed on block and lower block.
The rotating disk of the present invention left-hand rotation dish with being mutually tightened and right-hand rotation dish form, between left-hand rotation dish and right-hand rotation dish
It is provided with for by upper traction fiber and the space of lower traction fiber；Left-hand rotation dish and right-hand rotation dish are fixed with turning handle by screw respectively
Connect.
Turning handle of the present invention takes the shape of the letter U, and its side is fixing with left-hand rotation dish to be connected, and opposite side is fixing with right-hand rotation dish even
Connect.
The present invention compared with prior art, has the advantages that 1, this conduit is provided with rotating disk, upper gear in the enclosure
Block and lower block, upper and lower block one end with upper and lower traction fiber respectively is connected, and the other end of upper and lower traction fiber is then fixed on electricity
On the inwall of working end, pole head, when rotating rotating disk, rotating disk promotes upper block or lower block, thus the upper traction fiber of tension or under lead
Draw silk, can bend up or down realizing welding tip head, when using this conduit to melt, pass through meander electrode
Working end head, can expand ablation range, and area for treatment increases, and can accurately control area for treatment by controlling angle of bend,
To reach ideal surgical effect；2, this conduit utilization radio-frequency (RF) energy is inside nucleus pulposus, by molecule under low temperature
Decompose, intervertebral disc is vaporized with multiple conduit, reduce the pressure in intervertebral disc, thus alleviating pain and alleviate disc tissue pair
The stimulation of nerve root, after operation, reusable heat is solidifying closes, and this operation is minimum to the damage of adjacent tissue, worries without hot injury,
Operation Wicresoft preventing from scar, simple to operate, do not affect spinal stability.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the partial sectional view of housing of the present invention.
Fig. 3 is the cross-sectional view at turntable position of the present invention.
Fig. 4-Fig. 8 is the process chart of the present invention.
Fig. 9 is the state diagram that the present invention fits through that pricker uses.
Detailed description of the invention
Seeing Fig. 1-Fig. 3, the present embodiment includes shell 1 and turning handle 4, and the front end of shell 1 is provided with welding tip 2,
Being provided with traction fiber 91 and lower traction fiber 92 in welding tip 2, the rear end of shell 2 is provided with power line 3.Set in shell 1
Having rotating disk 5, the rotating disk 5 left-hand rotation dish 51 with being mutually tightened and right-hand rotation dish 52 form, between left-hand rotation dish 51 and right-hand rotation dish 52
It is provided with for by upper traction fiber 91 and the space 10 of lower traction fiber 92；It is provided with evagination at the edge of rotating disk 5 and is arranged symmetrically with
Above dial handle 71 and set aside handle 72, being provided with block 81 in the side of upper group of handle 71, be provided with block 82 in the side setting aside handle 72.
Turning handle 4 takes the shape of the letter U, and its side is connected by screw 6 is fixing with left-hand rotation dish 51, and opposite side is solid with right-hand rotation dish 52 by screw 6
Fixed connection.Upper traction fiber 91 and lower traction fiber 92 through the space 10 left-hand rotation dish 51 and right-hand rotation dish 52, upper traction fiber 91 He
The front end of lower traction fiber 92 is fixed on the inwall of welding tip 2 leading head, after upper traction fiber 91 and lower traction fiber 92
End is separately fixed on block 81 and lower block 82.
Shell 1 is additionally provided with shift knob 12 and display lamp 11, presses shift knob 12, lumbar vertebra radio frequency ablation needle
Shape electrode catheter is energized, and display lamp 11 lights；Press shift knob 12 again, lumbar vertebra radio-frequency (RF) ablation needle-like electrode catheter power-off,
Display lamp 11 extinguishes.
Welding tip 2 is additionally provided with locating clip 13 and scale 14.
Seeing Fig. 4-Fig. 8, when stirring turning handle 4 to power line 3 direction, turning handle 4 drives rotating disk 5 to turn clockwise
Dynamic, above to dial handle 71 and touch block 81 and promote upper block 81, the upper traction fiber 91 being connected with upper block 81 tightens up, lower traction
Silk 92 is then in relaxation state, and the head of welding tip 2 is bent by stretch bending under upper traction fiber 91 drives, welding tip 2
Head is bent upwards.When stirring turning handle 4 to welding tip 2 direction, turning handle 4 drives rotating disk 5 to rotate counterclockwise, under
Dialling handle 72 touch lower block 82 and promote lower block 82, the lower traction fiber 92 being connected with lower block 82 tightens up, upper traction fiber 91
Then being in relaxation state, the head of welding tip 2 is bent by stretch bending under lower traction fiber 92 drives, the head of welding tip 2
It is bent downwardly.
Seeing Fig. 9, operation process is: use Inferior turbinate hypertrophy device Host or generator, by this lumbar vertebra radio-frequency (RF) ablation
Needle electrode conduit is connected with ablation apparatus main frame or generator, and patient lies prone is on operating-table, after sterile drape, uses 1% benefit
After caine local anesthesia, under C arm X-ray guide of fluoroscopy, in the pathological interspinal dish of direction, lower back rear flank, penetrate diameter 1mm's
Puncture needle 15, after puncture needle 15 position is accurate, extracts nook closing member, inserts welding tip 2 through hollow needle, works as welding tip
The head of 2 needs the position carrying out melting, the position of running fix folder 13 to its location in arriving intervertebral disc, prevent electrode from working
End 2 moves on；Then the head of welding tip 2 melts, and extracts puncture needle 15 after melting end, and operation terminates.Should
Operative treatment wound is little, can efficient solution remove neural compressing, can also protect annulus fibrosus disci intervertebralis and surrounding tissue not simultaneously
Destroyed；From in the past made the heat shrinkage techniques of tissue necrosis different by high temperature, ablation apparatus main frame or generator are at shrinkage shelves
Welding tip 2 temperature can be accurately controlled in 40-70 DEG C by position, has the highest safety, can be in short-term after general treatment
The clinical symptoms such as interior alleviation and elimination lumbago and skelalgia.
The operation principle of the present invention is to combine with heat setting remove part nucleus pulposus and make nucleus pulposus receive by melting
Contracting, with the volume reducing nucleus pulposus the pressure reducing in intervertebral disc.The 100kHz formed by welding tip 2 is penetrated by force
Frequently electric field makes the electrolyte of its head be converted into plasmoid, forms the plasma thin layer of about 50-100 μm, these
Free strip electron ion obtains the kinetic energy of the organic molecule key enough interrupted in tissue under strong magnetic field, thus causes vertebral pulp around
The gasification of tissue, generates molecular weight gas and element molecule (02、H2、C02Deng), to nucleus pulposus shape in a low temperature of about 40 DEG C
Becoming cutting and ablation effect, therefore this technology is also called " cold melting cuts ".Because operating temperature is at about 40 DEG C, removing
The normal structure of surrounding will not be produced irreversible damage while pathological tissues.When energy is relatively low, tissue is to radio frequency
Resistance increases, thus produces heat effect, produces " heat setting closing " effect, both made the collagen egg in vertebral pulp at a temperature of about 70 DEG C
White molecular spiral structure vaporization is shunk and solidification, can keep again the vigor of nucleus pulposus cell, reduce the cumulative volume of intervertebral disc, thus drop
Pressure in low intervertebral disc, alleviates the disc tissue stimulation to nerve root, with relief of symptoms, makes collagen molecules spiral
Structure both shrinks, makes nucleus pulposus volume-diminished further, reaches volume reduction decompression, release to the compressing of dura mater and nerve root with
Reach therapeutic purposes.
Claims (3)
1. a lumbar vertebra radio-frequency (RF) ablation needle-like electrode catheter, including shell (1), the front end of shell (1) is provided with welding tip
(2), the rear end of shell (1) is provided with power line (3), it is characterized in that: also include turning handle (4), is provided with rotating disk in shell (1)
(5), rotating disk (5) is connected by screw (6) and turning handle (4) are fixing, is provided with evagination at the edge of rotating disk (5) and is arranged symmetrically with
Upper group handle (71) and set aside handle (72), upper group of handle (71) and set aside the side of handle (72) be respectively equipped with upper block (81) and under
Block (82), is provided with upper traction fiber (91) and lower traction fiber (92), upper traction fiber (91) and lower traction in welding tip (2)
The front end of silk (92) is fixed on the inwall of welding tip (2) leading head, upper traction fiber (91) and lower traction fiber (92)
Rear end is separately fixed on block (81) and lower block (82).
Lumbar vertebra radio-frequency (RF) ablation needle-like electrode catheter the most according to claim 1, is characterized in that: described rotating disk (5) is by mutually
Be fastened the left-hand rotation dish (51) coordinated and right-hand rotation dish (52) composition, is provided with for leading between left-hand rotation dish (51) and right-hand rotation dish (52)
Cross the space (10) of traction fiber (91) and lower traction fiber (92)；Left-hand rotation dish (51) and right-hand rotation dish (52) are respectively by screw (6)
Fix with turning handle (4) and be connected.
Lumbar vertebra radio-frequency (RF) ablation needle-like electrode catheter the most according to claim 1 and 2, is characterized in that: described rotation hands
Handle (4) takes the shape of the letter U, and its side is fixing with left-hand rotation dish (51) to be connected, and opposite side is fixing with right-hand rotation dish (52) to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610615037.4A CN106137384A (en) | 2016-08-01 | 2016-08-01 | Lumbar vertebra radio-frequency (RF) ablation needle-like electrode catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610615037.4A CN106137384A (en) | 2016-08-01 | 2016-08-01 | Lumbar vertebra radio-frequency (RF) ablation needle-like electrode catheter |
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| Publication Number | Publication Date |
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| CN106137384A true CN106137384A (en) | 2016-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610615037.4A Pending CN106137384A (en) | 2016-08-01 | 2016-08-01 | Lumbar vertebra radio-frequency (RF) ablation needle-like electrode catheter |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106821494A (en) * | 2017-03-28 | 2017-06-13 | 成都美创医疗科技股份有限公司 | A kind of Plasma surgical electrode |
| CN109394339A (en) * | 2018-10-19 | 2019-03-01 | 江苏邦士医疗科技有限公司 | A kind of Plasma surgical electrode of the flexible deflecting in head |
| CN109864818A (en) * | 2019-04-12 | 2019-06-11 | 博能华医疗器械（北京）有限公司 | A kind of bipolar radio frequency knife head for surgical |
| CN109953814A (en) * | 2017-12-25 | 2019-07-02 | 四川锦江电子科技有限公司 | A kind of combined type ablation sting device |
| CN110236666A (en) * | 2019-06-19 | 2019-09-17 | 北京市隆福医院 | A kind of backbone percutaneous puncture plasma surgical knif head and its operating method |
| CN110537957A (en) * | 2019-09-24 | 2019-12-06 | 浙江量子医疗器械有限公司 | Controllable grasping forceps for orthopedics department |
| CN114504372A (en) * | 2021-06-30 | 2022-05-17 | 杭州堃博生物科技有限公司 | Control method of cryoablation system |
| CN114569238A (en) * | 2022-02-28 | 2022-06-03 | 浙江融仕医疗科技有限公司 | Radio frequency ablation electrode with controllable bending |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106821494A (en) * | 2017-03-28 | 2017-06-13 | 成都美创医疗科技股份有限公司 | A kind of Plasma surgical electrode |
| CN109953814A (en) * | 2017-12-25 | 2019-07-02 | 四川锦江电子科技有限公司 | A kind of combined type ablation sting device |
| CN109394339A (en) * | 2018-10-19 | 2019-03-01 | 江苏邦士医疗科技有限公司 | A kind of Plasma surgical electrode of the flexible deflecting in head |
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| CN110236666A (en) * | 2019-06-19 | 2019-09-17 | 北京市隆福医院 | A kind of backbone percutaneous puncture plasma surgical knif head and its operating method |
| WO2020253632A1 (en) * | 2019-06-19 | 2020-12-24 | 北京市隆福医院 | Spinal percutaneous puncture plasma scalpel head and operation method thereof |
| CN110236666B (en) * | 2019-06-19 | 2021-01-29 | 北京市隆福医院 | Spinal percutaneous puncture plasma surgical knife head and operation method thereof |
| CN110537957A (en) * | 2019-09-24 | 2019-12-06 | 浙江量子医疗器械有限公司 | Controllable grasping forceps for orthopedics department |
| CN114504372A (en) * | 2021-06-30 | 2022-05-17 | 杭州堃博生物科技有限公司 | Control method of cryoablation system |
| CN114569238A (en) * | 2022-02-28 | 2022-06-03 | 浙江融仕医疗科技有限公司 | Radio frequency ablation electrode with controllable bending |
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Application publication date: 20161123 |