CN106618728B - Ablation apparatus - Google Patents
Ablation apparatus Download PDFInfo
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- CN106618728B CN106618728B CN201611214702.5A CN201611214702A CN106618728B CN 106618728 B CN106618728 B CN 106618728B CN 201611214702 A CN201611214702 A CN 201611214702A CN 106618728 B CN106618728 B CN 106618728B
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- ablating electrode
- ablation apparatus
- chamber
- ablation
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- 238000002679 ablation Methods 0.000 title claims abstract description 79
- 238000000034 method Methods 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 35
- 239000000463 material Substances 0.000 claims description 25
- 239000000565 sealant Substances 0.000 claims description 24
- 238000009413 insulation Methods 0.000 claims description 17
- 229920001971 elastomer Polymers 0.000 claims description 13
- 239000000806 elastomer Substances 0.000 claims description 13
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims description 12
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 10
- 239000000523 sample Substances 0.000 claims description 9
- 239000004642 Polyimide Substances 0.000 claims description 5
- 229920001721 polyimide Polymers 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 230000003902 lesion Effects 0.000 claims description 4
- -1 polybenzoate Polymers 0.000 claims description 4
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 3
- 239000004760 aramid Substances 0.000 claims description 3
- 229920003235 aromatic polyamide Polymers 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 238000003384 imaging method Methods 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 229920001230 polyarylate Polymers 0.000 claims description 3
- 229920006260 polyaryletherketone Polymers 0.000 claims description 3
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 3
- 229920000106 Liquid crystal polymer Polymers 0.000 claims description 2
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 claims description 2
- 230000003139 buffering effect Effects 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000013013 elastic material Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 229920003225 polyurethane elastomer Polymers 0.000 claims description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims 1
- 239000005977 Ethylene Substances 0.000 claims 1
- 229920001596 poly (chlorostyrenes) Polymers 0.000 claims 1
- 150000003457 sulfones Chemical class 0.000 claims 1
- 206010044565 Tremor Diseases 0.000 abstract description 16
- 239000012530 fluid Substances 0.000 abstract description 9
- 230000036961 partial effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- 230000002829 reductive effect Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
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- 206010028980 Neoplasm Diseases 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 229920002492 poly(sulfone) Polymers 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 230000000541 pulsatile effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 210000004881 tumor cell Anatomy 0.000 description 2
- 229940099259 vaseline Drugs 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 230000000854 inhibitional effect Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000002147 killing effect Effects 0.000 description 1
- 230000001665 lethal effect Effects 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000001959 radiotherapy Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
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- 230000001225 therapeutic effect Effects 0.000 description 1
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Classifications
-
- 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
-
- 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
-
- 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
-
- 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
Abstract
The present invention relates to a kind of ablation apparatus, comprising: handle and ablating electrode, the ablating electrode are connect with the handle, and the ablating electrode has hollow cavity, and the ablation apparatus further includes SAPMAC method device, and the SAPMAC method device includes multi-way joint and drainage tube；The multi-way joint includes the first connector, the second connector and third connector, the multi-way joint has hollow chamber, the third connector connects the proximal end of the ablating electrode, the drainage tube extends at least part of the hollow cavity of the ablating electrode by first connector and third connector, and the drainage tube selects elastic hose.The present invention solves the problems, such as that fluid causes ablation apparatus to tremble the impact of tube wall and pipeline by improving to SAPMAC method device.
Description
Technical field
The present invention relates to the field of medical instrument technology more particularly to a kind of ablation apparatus for acting on human lesion tissue.
Background technique
Currently, for inhibiting to have χ-ray radiotherapy machine with the therapeutic device of direct killing tumour cell, gamma-radiation knife, swash
Light-knife etc..These medical instruments have effectively inhibition and lethal effect during treating tumour, to tumour cell, but to people
The normal cell of body also can be killed largely, therefore it will be greatly reduced the immunity of human body, cause complication, using ablation electricity
Pole, which carries out Minimally Invasive Surgery, can be effectively improved this problem.Chinese patent application CN200510037259.4 discloses a kind of tumour
Therapy apparatus, including host computer, display, radio-frequency signal generator, circulating pump, refrigerating plant and medical needle, medical needle main body are end
The conductive double layer hollow pipe of face closure, inside and outside hollow interlayer are separated by inner casing；The cold water come out from circulating pump passes through
Pipeline flows into the outer hollow layer of the medical needle, an aperture is provided in the medical needle main body inner casing needle tip, in outer hollow layer
In the cool circulation water by the aperture enter the medical needle main body interior hollow layer, then by pipeline entrance described in
Refrigerating plant.Circulating cooling system used by the invention can cool down medical needle tissue around during ablation, prevent
Only tissue overheating damage increases impedance and is unfavorable for the transmission of radio-frequency current, while mitigating the damage of normal tissue, but pumps operating
When will cause electrode and tremble, coming out water flow from circulating pump can also cause needle tubing to tremble the impact inside needle tubing, the refrigeration dress
The pipeline using hard is set, then pipeline can then cause trembling for needle tubing in needle tubing internal vibration, so that it is fixed to reduce operation
The accuracy of position brings difficulty for surgical procedure.
Summary of the invention
In the present invention, term " proximal end " refers to that device refers to closer to one end of operator, term " distal end " in operation
Be in operation device further from one end of operator；Term " ablation portion " refers to connecing on ablating electrode with tissue in ablation procedure
Touch and issue to tissue the region of ablation energy.
In view of the problems of the existing technology, the purpose of the present invention is caused by improving ablation apparatus reduction fluid impact
The problem of ablation apparatus trembles.
The purpose of the present invention is achieved through the following technical solutions:
Ablation apparatus, comprising: handle and ablating electrode, the ablating electrode are connect with the handle, the ablating electrode
With hollow cavity, which is characterized in that the ablation apparatus further includes SAPMAC method device, and the SAPMAC method device includes that multichannel connects
Head and drainage tube；The multi-way joint includes the first connector, the second connector and third connector, described in third connector connection
The proximal end of ablating electrode, the drainage tube extend into the hollow cavity of the ablating electrode by first connector and third connector
At least part, the drainage tube selects elastic hose.
Further, the ablation apparatus further includes outlet pipe, and the outlet pipe connects the second connector, the outlet pipe choosing
Use elastic hose.
Further, the ablation apparatus further includes water inlet pipe, and the water inlet pipe connects the first connector, the water inlet pipe choosing
Use elastic hose.
Preferably, the third connector is connected with the ablating electrode by connecting tube, and the connecting tube is elastic hose.
The connecting tube plays buffer function between third connector and the ablating electrode, can effectively reduce cold follow when device works and draw
Trembling for ablation apparatus is played, and improves the leakproofness between third connector and the ablating electrode.In addition, connecting tube have compared with
High elasticity and flexibility is coated on ablating electrode and third connector periphery, two kinds of different materials is linked together, are avoided that
Two kinds of different materials cause aging to deform because mechanical property is different, extend the service life of ablation apparatus.
Further, heat-shrink tube is provided between the ablating electrode and the connecting tube, the heat-shrink tube is elastic material
Material, can satisfy the sealing in gap between the ablating electrode of different model and connecting tube, the sealing performance of SAPMAC method device.
Further, the connecting tube is greater than what the heat-shrink tube extended in the length that the ablating electrode outer surface extends
Length, so that the part between the connecting tube and the ablating electrode forms gap, the gap is filled with sealant, is used to
Improve leakproofness.
Currently preferred, the gap filling between the ablating electrode and the connecting tube has sealant.
Further, there are a cavitys between third connector of the present invention and the ablating electrode, are used to buffer
Body.The cavity is coated by the connecting tube, has cushioning effect, the cavity may further be accommodated to be rushed from the first connector
Scattered sealant, prevents sealant from entering ablating electrode, influences SAPMAC method effect.
Further, first connector, the second connector and/or third connector are Pagoda-shaped structure.Term " Pagoda-shaped knot
Structure " refers to that radially protruding in ontology and free end face diameter is smaller, connecting end surface is relatively large in diameter trapezoidal frustum cone structure, is also wrapped
Include the end to end composite structure of multiple above structure upper and lower surfaces.
Further, the connecting tube is coated on the third connector periphery, and the connecting tube and the third connector are logical
It crosses Pagoda-shaped structure and realizes sealed connection.
Preferably, the connecting tube and the third joint are filled with sealant.
Preferably, the water inlet pipe and the outlet pipe are elastic hose, and the water inlet pipe passes through with first connector
Pagoda-shaped structure, which is realized, to be tightly connected, and the outlet pipe and second connector are realized by Pagoda-shaped structure and be tightly connected.
Preferably, the water inlet pipe and first joint are filled with sealant, the outlet pipe and described the
Two joints are filled with sealant.
Further, the multi-way joint has first chamber, second chamber and third chamber, first connector pair
First chamber is answered, the third connector corresponds to third chamber, the second chamber and third chamber, the first chamber
At least part and the second chamber and third chamber isolation.
Preferably, the drainage tube passes through the first chamber and third chamber, the drainage tube and first connector
The gap of inner cavity is sealed by sealant.
Further, the drainage tube extends to the distal end of the hollow cavity of ablating electrode, the proximate distal ends of the drainage tube
Equipped at least one communication port, to be connected to the hollow cavity of the ablating electrode.
Further, the material of the elastic hose is selected from macromolecular material.
Further, the macromolecular material polyphenylene sulfide, polysulfones, aromatic polyamide, polyurethane elastomer,
Polyarylate, polybenzoate, thermoplastic polyurethane elastomer, polyimides, polyvinyl chloride, poly(aryl ether ketone), liquid crystal polymer or fluorine tree
One of rouge is a variety of.
Preferably, the material of the water inlet pipe, outlet pipe and/or connecting tube is selected from thermoplastic polyurethane elastomer.
Preferably, the material of the drainage tube is selected from thermoplastic polyurethane elastomer or polyimides.
The Thermoplastic polyurethane elastomer material has softness, and elastomeric characteristic, can be used as a kind of vibration-absorptive material makes
With when the fluid carries out pulsatile flow in SAPMAC method device, the Thermoplastic polyurethane elastomer material is in SAPMAC method
In the process can buffer fluid to the impact force of tube wall, effectively reduce trembling for ablation apparatus.
Further, the water inlet pipe, outlet pipe length be preferably greater than or equal to 1 meter, water inlet pipe, outlet pipe have compared with
Long length can be further reduced pump operating and tremble to caused by ablation apparatus.
Further, the ablating electrode includes insulation division and ablation portion, and one end of the insulation division is connect with handle, institute
State ablation portion and act on human lesion tissue, there is an insulating coating in the insulation division outer surface, the diameter of the insulation division be less than or
Equal to the diameter in the ablation portion.It avoids when being punctured, since the diameter of insulation division is greater than the diameter in ablation portion and generates
Biggish penetration Resistance influences the accuracy and paracentesis depth of ablating electrode puncture.
Further, it is equipped with temperature sensor in the ablating electrode distal end, the temperature sensor includes thermosensitive probe
And call wire, the thermosensitive probe are packaged in the ablating electrode distal end, described call wire one end connects the thermosensitive probe, institute
It states the call wire other end to draw from the perforation of SAPMAC method device, be sealed at the perforation using sealant.
The invention also includes a kind of ablation system, the ablation system includes: ablation apparatus as described above, and described
The power generator of ablating electrode connection, the water storage device and circulating pump being connect with the SAPMAC method device, and described in guidance
The imaging device of ablating electrode positioning.
The utility model has the advantages that
Compared with the existing technology, the beneficial effects of the present invention are, the drainage tubes disclosed by the invention by described the
One connector and third connector extend at least part of the hollow cavity of the ablating electrode, and the drainage tube is elastic hose,
Drainage tube pliability with higher and elasticity, when having fluid impact inside drainage tube, drainage tube can effective buffer stream
Body impact force reduces ablation apparatus and trembles.
Further, the SAPMAC method device further includes water inlet pipe and outlet pipe, and the water inlet pipe and outlet pipe use bullet
Property hose, can effectively buffer pump operating tremble to caused by handle and ablating electrode.
In addition, the third connector is connected with the ablating electrode by connecting tube, the connecting tube is elastic hose.Institute
It states connecting tube and plays buffer function between third connector and the ablating electrode, cold follow when device works can be effectively reduced and caused
Ablation apparatus trembles, and improves the leakproofness between third connector and the ablating electrode.In addition, connecting tube is with higher
Elasticity and flexibility, be coated on ablating electrode and third connector periphery, two kinds of different materials linked together, are avoided that two
Kind different materials cause aging to deform because mechanical property is different, extend the service life of ablation apparatus.
Detailed description of the invention
In order to illustrate the embodiments of the present invention more clearly, one will be made to attached drawing needed in the embodiment below simply
Ground introduction, it should be apparent that, drawings in the following description are some embodiments of the invention, for those of ordinary skill in the art
For, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 shows ablation apparatus overall construction in the embodiment of the present invention；
Fig. 2 shows the construction of SAPMAC method device of the embodiment of the present invention；
Fig. 3 shows the partial enlarged view that SAPMAC method device constructs in the embodiment of the present invention；
Fig. 4 shows the enlarged partial sectional view that SAPMAC method device constructs in the embodiment of the present invention；
Fig. 5 shows the enlarged partial sectional view that SAPMAC method device constructs in another embodiment of the present invention；；
Fig. 6 a to Fig. 6 c shows in other embodiments of the invention enlarged partial sectional view at connecting tube；
Fig. 6 d shows in the preferred embodiment of the present invention enlarged partial sectional view at connecting tube；
Fig. 7 shows that structure proximal outer diameter is pierced into the embodiment of the present invention is greater than and is not more than the piercing structural attachments
Ablating electrode outer diameter when, be pierced into power be pierced into depth variation.
Fig. 8 shows the partial enlargement of ablating electrode distal temperature sensor and heat insulation structural construction in the embodiment of the present invention
Cross-sectional view.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
With reference to Fig. 1-Fig. 4, it is shown that the first embodiment of the present invention, ablation apparatus described in the present embodiment, comprising: handle
1 and ablating electrode 2, the ablating electrode 2 connect with the handle 1, the ablating electrode 2 has hollow cavity, and the ablation sets
Standby further includes SAPMAC method device, and the SAPMAC method device includes multi-way joint 30 and drainage tube 33；The multi-way joint 30
Including the first connector 301, the second connector 302 and third connector 303, the third connector 303 connects the close of the ablating electrode 2
End, the drainage tube 33 extend at least the one of the hollow cavity of the ablating electrode 2 by first connector and third connector
Part, the drainage tube 33 select elastic hose.The drainage tube 33 pliability with higher and elasticity, in drainage tube 33
When there is fluid impact in portion, drainage tube can effectively buffer fluid impact force, reduction ablation apparatus tremble.
As shown in figure 3, ablation apparatus described in the present embodiment further includes outlet pipe 32, the outlet pipe 32 connects the second connector
302, the outlet pipe 32 selects elastic hose.
As shown in figure 5, the ablation apparatus further includes water inlet pipe 31 in another embodiment of the present invention, water inlet pipe 31 connects
The first connector 301 is connect, the water inlet pipe 31 selects elastic hose.
The water inlet pipe 31 and outlet pipe 32 use elastic hose, and in the present embodiment water inlet pipe 31 and outlet pipe 32 length
Degree is greater than 1 meter, so that water inlet pipe 31 and outlet pipe 32 is effectively reduced pump operating and draws with water impact to handle 1 and ablating electrode 2
That rises trembles.
As shown in Fig. 6 a~6c, in other embodiments of the invention, the third connector 303 and the ablating electrode 2
It is connected by connecting tube 40, the inner wall of connecting tube 40 is contacted with 303 outer wall of third connector or the outer wall of connecting tube 40 connects with third
First 303 inner wall contact.In one embodiment, the 2 proximal end outer wall of inner wall with ablating electrode of connecting tube 40 contacts；In another reality
It applies in example, the outer wall of connecting tube 40 is contacted with 2 proximal end inner wall of ablating electrode；In another embodiment, connecting tube 40 and ablation
The port section of both 2 proximal ends of electrode contacts.The connecting tube 40 is elastic hose, and the connecting tube 40 is in third connector 303
Buffer function is played between the ablating electrode 2, cold follow when device works can be effectively reduced and cause trembling for ablation apparatus, and
Improve the leakproofness between third connector 303 and the ablating electrode 2.In addition, connecting tube 40 is with higher elastic and soft
Toughness is coated on 303 periphery of ablating electrode 2 and third connector, two kinds of different materials is linked together, are avoided that two kinds of differences
Material causes aging to deform because mechanical property is different, extends the service life of ablation apparatus.
In other embodiments of the invention, as shown in fig 6d, it is arranged between the ablating electrode 2 and the connecting tube 40
There is heat-shrink tube 41,40 elastic packing of connecting tube is coated on heat-shrink tube 41, and heat-shrink tube 41 has elasticity, can further improve sealing
Property and mitigate water impact caused by ablating electrode 2 tremble.
In the present embodiment, the connecting tube 40 is greater than the heat-shrink tube in the length that 2 outer surface of ablating electrode extends
41 length extended, so that the part between the connecting tube 40 and the ablating electrode 2 forms gap, the gap sealing
Agent filling, for improving leakproofness, used sealant can have sealing to make for emplastics or vaseline etc. such as glue
Substance.
In other embodiments of the invention, further use sealant between heat-shrink tube 41 and connecting tube 40 and/
Or be sealed between third connector 303 and connecting tube 40, used sealant can be emplastics or all scholars such as glue
Woods etc. has the substance of sealing function.
Ablating electrode 2 and third connector 303 are preferably tightly connected.In some embodiment of the invention, as shown in fig 6d,
Connecting tube 40 selects flexible material, so that ablating electrode 2 and third connector is passed through connecting tube using the elasticity of connecting tube 40
40 sealing cladding connections, flexible material can be any one of known high resilience material, preferably thermoplastic poly
Urethane elastomer；In some embodiment of the invention, one end that third connector 303 and/or ablating electrode 2 are connect with connecting tube 40
Further it is pyramid-like structure, improves cladding sealing effect.In other embodiments of the invention, using sealant to connection
It is sealed between pipe 40 and ablating electrode 2 and/or between third connector 303 and connecting tube 40, used sealant can be with
There is the substance of sealing function for the emplastics such as glue or vaseline etc..
With reference to Fig. 6 d, in the present embodiment, there are one between third connector 303 and the ablating electrode 2 of the present invention
Cavity 50 is used to buffering liquid.The cavity 30 is coated by the connecting tube 40, has cushioning effect, the cavity 50 into one
Step can accommodate the sealant broken up from the first connector 301, prevent sealant from entering in the hollow cavity of ablating electrode 2, influence
SAPMAC method effect.
With reference to Fig. 4 and Fig. 5, first connector 301 and the second connector 302 are Pagoda-shaped structure.Term " Pagoda-shaped knot
Structure " refers to that radially protruding in ontology and free end face diameter is smaller, connecting end surface is relatively large in diameter trapezoidal frustum cone structure, is also wrapped
Include the end to end composite structure of multiple above structure upper and lower surfaces.
In another preferred embodiment of the invention, the water inlet pipe 31 passes through Pagoda-shaped knot with first connector 301
Structure, which is realized, to be tightly connected, and the outlet pipe 32, which is realized with second connector 302 by Pagoda-shaped structure, to be tightly connected.
In another preferred embodiment of the invention, the water inlet pipe 31 connects 301 junctions filled with close with described first
Agent is sealed, the outlet pipe 32 is filled with sealant with 302 junction of the second connector.
With reference to Fig. 4 and Fig. 5, connecting tube 40 described in the present embodiment has first chamber, second chamber and third chamber, described
First connector 301 corresponds to first chamber, the second chamber and third chamber, at least part of the first chamber with
The second chamber and third chamber isolation.
In another preferred embodiment of the invention, the gap of the drainage tube 33 and first connector inner cavity passes through close
Envelope agent is sealed.
As shown in Fig. 2, the drainage tube 33 extends to the distal end of the hollow cavity of ablating electrode 2, described to draw in the present embodiment
The proximate distal ends of flow tube 33 are equipped at least one communication port, to be connected to the hollow cavity of the ablating electrode 2.
In the present embodiment, the material of the SAPMAC method device is selected from polyphenylene sulfide, polysulfones, aromatic polyamide, poly- ammonia
Ester elastomer, polyarylate, polybenzoate, thermoplastic polyurethane elastomer, polyimides, polyvinyl chloride, poly(aryl ether ketone), polymerizable mesogenic
One of object or fluororesin are a variety of.
In another preferred embodiment of the invention, the material of the water inlet pipe 31, outlet pipe 32 and connecting tube 40 is selected
From thermoplastic polyurethane elastomer.
In another of the invention preferred embodiment, the material of the drainage tube 33 be selected from thermoplastic polyurethane elastomer or
Polyimides.
The Thermoplastic polyurethane elastomer material has softness, and elastomeric characteristic, the fluid is in SAPMAC method device
When interior progress pulsatile flow, the kinetic energy of Thermoplastic polyurethane elastomer material energy buffer fluid during SAPMAC method,
Effectively reduce trembling for ablation apparatus.
As shown in Figure 1, the ablating electrode 2 includes insulation division 21 and ablation portion 22, the insulation division 21 in the present embodiment
One end connect with handle 1, the ablation portion 22 acts on human lesion tissue, and 21 outer surface of insulation division has insulation to apply
Layer, the diameter of the insulation division 21 are less than or equal to the diameter in the ablation portion 22.It avoids when being punctured, due to insulation division
Diameter be greater than ablation portion 22 diameter and generate biggish penetration Resistance, influence ablating electrode 2 puncture accuracy and puncture
Depth.The puncture force that Fig. 7 shows the ablating electrode of ablating electrode and the prior art in the embodiment of the present invention compares figure,
In, plot1 is that curve is analyzed in the puncture of the prior art, and plot2 is that curve is analyzed in the puncture of the embodiment of the present invention, can be seen in figure
Out, it is compared in the two pairs of wave crests for being pierced into and extracting, the resistance that when puncture of plot2 is subject to is obviously smaller than plot1, and deforms
It is smaller.
As shown in figure 8, it is equipped with temperature sensor in 22 distal end of ablation portion of the ablating electrode 2 in the present embodiment, it is described
Temperature sensor includes thermosensitive probe 601 and call wire 602, and the thermosensitive probe 601 is packaged in 22 proximate distal ends of ablation portion, institute
It states 602 one end of call wire and connects the thermosensitive probe 601,602 other end of call wire is perforated from SAPMAC method device and drawn, institute
It states and is sealed at perforation using sealant, specific punch position can be the tube wall of connecting tube, the tube wall of outlet pipe and water inlet pipe
Tube wall.
An embodiment of the present invention further includes ablation system, and the ablation system includes: ablation apparatus as described above,
The power generator being connect with the ablating electrode, the water storage device and circulating pump being connect with the SAPMAC method device, Yi Jiyin
Lead the imaging device of the ablating electrode positioning.
In present disclosure, ablating electrode 2 to the ablation energy form of tissue output can be radio frequency, micro-
Any one or more combination in the known energies form such as wave, laser, freezing；Energy transmission is in the prior art can
Transmit the structure of energy, such as metallic conductance line, optical fiber.
Those skilled in the art are supplied to the purpose described to the description of various embodiments of the invention above.It is not
It is intended to exhaustion or be not intended to and limit the invention to single disclosed embodiment.As described above, of the invention is various
Substitution and variation will be apparent for above-mentioned technology one of ordinary skill in the art.Therefore, although specifically begging for
Some alternative embodiments are discussed, but other embodiment will be apparent or those skilled in the art are opposite
It is easy to obtain.The present invention is intended to include all substitutions of the invention crossed by discussion herein, modification and variations, and fall in
Other embodiment in the spirit and scope of above-mentioned application.
Although depicting the present invention by embodiment, it will be appreciated by the skilled addressee that there are many deformations by the present invention
With variation without departing from spirit of the invention, it is desirable to which the attached claims include these deformations and change without departing from the present invention
Spirit.
Claims (21)
1. ablation apparatus, comprising: handle and ablating electrode, the ablating electrode are connect with the handle, the ablating electrode tool
There is hollow cavity, which is characterized in that the ablation apparatus further includes SAPMAC method device, and the SAPMAC method device includes that multichannel connects
Head, drainage tube；The multi-way joint includes the first connector, the second connector and third connector, described in third connector connection
The proximal end of ablating electrode, the third connector are connected with the ablating electrode by connecting tube, and the connecting tube selects elasticity soft
Pipe, is provided with heat-shrink tube between the ablating electrode and the connecting tube, the drainage tube passes through first connector and third
Connector extends at least part of the hollow cavity of the ablating electrode, and the drainage tube selects elastic hose.
2. ablation apparatus as described in claim 1, which is characterized in that the ablation apparatus further includes outlet pipe, the water outlet
Pipe connects the second connector, and the outlet pipe selects elastic hose.
3. ablation apparatus as described in claim 1, which is characterized in that the ablation apparatus further includes water inlet pipe, the water inlet
Pipe connects the first connector, and the water inlet pipe selects elastic hose.
4. ablation apparatus as described in claim 1, which is characterized in that the connecting tube extends in the ablating electrode outer surface
Length be greater than the length that the heat-shrink tube extends so that between part between the connecting tube and the ablating electrode is formed
Gap, the gap are filled with sealant, for improving leakproofness.
5. ablation apparatus as described in claim 1, which is characterized in that using close between the ablating electrode and the connecting tube
Seal agent filling.
6. ablation apparatus as described in claim 1, which is characterized in that exist between the third connector and the ablating electrode
One cavity is used to buffering liquid.
7. ablation apparatus as claimed in claim 6, which is characterized in that first connector, the second connector and/or third connector are
Pagoda-shaped structure.
8. ablation apparatus as claimed in claim 7, which is characterized in that the connecting tube is coated on the third connector periphery, institute
It states connecting tube and the third connector and sealed connection is realized by Pagoda-shaped structure.
9. ablation apparatus as claimed in claim 8, which is characterized in that the connecting tube and the third joint are filled with
Sealant.
10. ablation apparatus as claimed in claim 2, which is characterized in that the outlet pipe and second connector pass through Pagoda-shaped
Structure, which is realized, to be tightly connected.
11. ablation apparatus as claimed in claim 3, which is characterized in that the water inlet pipe and first connector pass through Pagoda-shaped
Structure, which is realized, to be tightly connected.
12. ablation apparatus as claimed in claim 10, which is characterized in that the outlet pipe and second joint are filled
There is sealant.
13. ablation apparatus as claimed in claim 11, which is characterized in that the water inlet pipe and first joint are filled
There is sealant.
14. ablation apparatus as described in claim 1, which is characterized in that the multi-way joint has first chamber, second chamber
With third chamber, first connector corresponds to first chamber, and the third connector corresponds to third chamber, the second chamber and
Three chambers, at least part of the first chamber and the second chamber and third chamber isolation.
15. ablation apparatus as claimed in claim 14, which is characterized in that the drainage tube passes through the first chamber and third chamber
The gap of room, the drainage tube and the first chamber is sealed by sealant.
16. ablation apparatus as claimed in claim 15, which is characterized in that the drainage tube extends to the hollow cavity of ablating electrode
Distally, the proximate distal ends of the drainage tube are equipped at least one communication port, to be connected to the hollow cavity of the ablating electrode.
17. ablation apparatus as described in any one of claims 1-3, which is characterized in that the material of the elastic hose is selected from height
Molecular elastic material.
18. ablation apparatus as claimed in claim 17, which is characterized in that the macromolecular material is selected from polyphenylene sulfide, gathers
Sulfone class, aromatic polyamide, polyurethane elastomer, polyarylate, polybenzoate, thermoplastic polyurethane elastomer, polyimides, polychlorostyrene
One of ethylene, poly(aryl ether ketone), liquid crystal polymer or fluororesin are a variety of.
19. ablation apparatus as claimed in claim 18, which is characterized in that the ablating electrode includes insulation division and ablation portion, institute
The one end for stating insulation division is connect with handle, and the ablation portion acts on human lesion tissue, and there is insulation in the insulation division outer surface
Coating, the diameter of the insulation division are less than or equal to the diameter in the ablation portion.
20. ablation apparatus as claimed in claim 19, which is characterized in that it is equipped with temperature sensor in the ablating electrode distal end,
The temperature sensor includes thermosensitive probe and call wire, and the thermosensitive probe is packaged in the ablating electrode distal end, the biography
Conducting wire one end connects the thermosensitive probe, and the call wire other end is perforated from SAPMAC method device and drawn, and uses at the perforation
Sealant sealing.
21. ablation system, comprising: such as the described in any item ablation apparatus of claim 1-20, connect with the ablating electrode
Power generator, the water storage device and circulating pump being connect with the SAPMAC method device, and guidance the ablating electrode positioning
Imaging device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611214702.5A CN106618728B (en) | 2016-12-26 | 2016-12-26 | Ablation apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611214702.5A CN106618728B (en) | 2016-12-26 | 2016-12-26 | Ablation apparatus |
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| CN106618728A CN106618728A (en) | 2017-05-10 |
| CN106618728B true CN106618728B (en) | 2019-08-27 |
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| CN201611214702.5A Active CN106618728B (en) | 2016-12-26 | 2016-12-26 | Ablation apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112932650A (en) * | 2021-01-28 | 2021-06-11 | 云南科威液态金属谷研发有限公司 | Microwave and radio frequency combined tumor ablation equipment and tumor ablation method |
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| CN106618728A (en) | 2017-05-10 |
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