CN116898564B - Tumor ablation puncture temperature measuring needle - Google Patents
Tumor ablation puncture temperature measuring needle Download PDFInfo
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- CN116898564B CN116898564B CN202311004288.5A CN202311004288A CN116898564B CN 116898564 B CN116898564 B CN 116898564B CN 202311004288 A CN202311004288 A CN 202311004288A CN 116898564 B CN116898564 B CN 116898564B
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- heat preservation
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- 230000002787 reinforcement Effects 0.000 claims description 11
- 239000000523 sample Substances 0.000 claims description 9
- 230000005855 radiation Effects 0.000 claims description 7
- 238000009529 body temperature measurement Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
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- 238000000034 method Methods 0.000 claims description 2
- 230000010412 perfusion Effects 0.000 abstract description 13
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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
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00005—Cooling or heating of the probe or tissue immediately surrounding the probe
- A61B2018/00011—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00005—Cooling or heating of the probe or tissue immediately surrounding the probe
- A61B2018/00011—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids
- A61B2018/00017—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids with gas
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00577—Ablation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B2018/1405—Electrodes having a specific shape
- A61B2018/1425—Needle
Abstract
The invention discloses a tumor ablation puncture temperature measuring needle, which solves the problems that an insulating sleeve at the outer side of the existing needle rod only can insulate heat at the rear side of a puncture area and can not perform auxiliary heat insulation on a core area at the front end of puncture during puncture so as to damage human tissues during puncture, and comprises the following steps: the puncture bearing assembly comprises a puncture handheld seat, a puncture limiting seat and a puncture fixing part; the puncture ablation assembly is arranged on the puncture fixing part; the puncture ablation assembly comprises: the device comprises an ablation base, a puncture outer sleeve, a puncture clamping seat and a temperature-measurable puncture part detachably arranged in the puncture clamping seat, wherein the temperature-measurable puncture part comprises a conduction pipe, a rear-end heat preservation part, a puncture needle head, a perfusion heat insulation part and a heat insulation adjusting part; according to the embodiment of the invention, the perfusion heat insulation part and the heat insulation adjusting part are arranged, so that the normal tissues can be prevented from being damaged, the puncture treatment risk is reduced, and the treatment effect is further ensured.
Description
Technical Field
The invention belongs to the technical field of medical appliances, and particularly relates to a tumor ablation puncture temperature measuring needle.
Background
The nanometer knife tumor ablation is a brand-new tumor ablation technology, and when the nanometer knife tumor ablation technology works, high-voltage pulse is released by aiming at tumor cells through ablation, so that nanometer irreversible electroporation is generated on tumor cell membranes, the intracellular balance is destroyed, the apoptosis of the cells is caused, after the apoptosis of the tumor cells, in-vivo phagocytes phagocytize cell fragments, and a treatment area is gradually replaced by normal tissues.
Chinese patent CN116158830a discloses a temperature-measurable nano-knife tumor ablation needle, comprising a needle body and a handle, wherein the needle body comprises a needle rod and an insulating sleeve sleeved outside the needle rod, the rear end of the needle rod is connected with the handle, the front end of the needle rod is exposed outside the insulating sleeve and is used as an electrode part of the nano-knife, the front end of the needle rod is provided with a puncture part for penetrating human tissue, an optical fiber wire is arranged in the needle rod, and an optical fiber temperature measuring probe is connected to the optical fiber wire; however, the insulation sleeve on the outer side of the existing needle rod can only insulate heat on the rear side of a puncture area, and cannot insulate heat in an auxiliary way on the core area at the front end of the puncture during puncture, so that human tissues are damaged during puncture, and based on the insulation sleeve, a tumor ablation puncture-able temperature measuring needle is provided.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a tumor ablation puncture-able temperature measuring needle, which solves the problems that an insulating sleeve at the outer side of an existing needle rod only can insulate heat at the rear side of a puncture area and cannot perform auxiliary heat insulation on a core area at the front end of puncture during puncture, so that human tissues are damaged during puncture.
The insulating sleeve outside the existing needle bar can only insulate against heat to the rear side of the puncture area, can not assist in insulating against heat to the core area of the puncture front end during puncture, so that damage is caused to human tissues during puncture, based on the fact, we provide a tumor ablation puncture-able temperature measuring needle, in short, the tumor ablation puncture-able temperature measuring needle comprises: the puncture bearing assembly comprises a puncture handheld seat, a puncture limiting seat and a puncture fixing part; the puncture ablation assembly is arranged on the puncture fixing part; the puncture ablation assembly comprises: the device comprises an ablation base, a puncture outer sleeve, a puncture clamping seat and a puncture part capable of measuring temperature, wherein the puncture part capable of measuring temperature is detachably arranged in the puncture clamping seat and comprises a conduction pipe, a rear-end heat preservation part, a puncture needle head, a perfusion heat insulation part and a heat insulation adjusting part. When the tumor area of a patient is ablated, the puncture needle is started, the puncture needle rapidly realizes the cyclic freezing-heating treatment on the ablation target area, thereby realizing the physical killing and inactivation of the tissue of the ablation target area, the tissue of the target area is immediately damaged by freezing and rewarming, after the ablation is finished, in order to avoid the thermal radiation damage of the puncture area, a cooling medium is injected into the perfusion heat insulation part, the tissue of the puncture area is cooled and insulated by the cooling medium, the normal tissue is prevented from being damaged, meanwhile, the ion content of the tumor target area can be improved by the cooling medium, the ablation energy is obviously improved, and the coverage area of the perfusion heat insulation part can be adjusted according to the ablation target area with different volumes by the heat insulation adjusting part, so that the application range of the application is enlarged. The embodiment of the invention is provided with the pouring heat insulation part and the heat insulation adjusting part, the normal tissues can be prevented from being damaged by the pouring heat insulation part, the puncture treatment risk is reduced, the ion content of the tumor target area can be improved, the treatment effect is further ensured, and the heat insulation adjusting part can adjust the coverage area of the pouring heat insulation part according to the ablation target areas with different volumes.
The invention is realized in such a way that the tumor ablation can puncture the temperature probe, the tumor ablation can puncture the temperature probe comprises:
the puncture bearing assembly is used for bearing the puncture ablation assembly and comprises a puncture handheld seat, a puncture limiting seat and a puncture fixing part;
the puncture ablation assembly is arranged on the puncture fixing part;
wherein, the puncture ablation assembly comprises:
the ablation base is detachably arranged on the puncture fixing part;
a puncture outer sleeve arranged at one side of the ablation base, wherein a puncture clamping seat is fixedly arranged at one end of the puncture outer sleeve;
the utility model provides a but demountable installation is in but temperature measurement puncture portion in the puncture cassette, but temperature measurement puncture portion is used for tumour position puncture operation to reduce thermal radiation damage to the puncture region, wherein, but temperature measurement puncture portion includes pipe, rear end heat preservation portion, puncture syringe needle, fills thermal-insulated portion and thermal-insulated regulation portion, the pipe runs through the intercommunication with the outer tube of puncture, pipe and rear end heat preservation portion fixed connection, rear end heat preservation portion are used for puncture rear side edge region and carry out thermal-insulated protection, fill thermal-insulated portion be used for the cooperation rear end heat preservation portion work to supplementary perfusion cooling medium carries out thermal-insulated protection to puncture front side region, and the puncture syringe needle is used for carrying out puncture work, and thermal-insulated regulation portion is installed on rear end heat preservation portion, is used for adjusting fill thermal-insulated portion position.
Preferably, the puncture fixing section includes:
the fixed driving piece is arranged on the puncture limiting seat;
the transmission gear is rotatably arranged in the puncture limiting seat and is fixedly connected with the fixed driving piece;
at least one group of internal gears, which are rotatably arranged in the puncture limiting seat;
and the external gear is arranged on one side of the internal gear and is fixedly connected with the internal gear.
Preferably, the puncture fixing section further includes:
at least one group of linkage racks which are slidably arranged in the puncture limiting seat and are meshed with the external gear for transmission, and at least one group of puncture guide grooves are formed in the puncture limiting seat and are used for guiding and limiting the linkage racks;
the puncture positioning seat is fixedly arranged in the puncture limiting seat, and is in sliding connection with the linkage rack, and at least one group of puncture fixing seats are used for fixing the ablation base.
Preferably, the penetrating ablation assembly further comprises:
the wire holder, wire holder demountable installation is in one side of melting base, and is provided with medium injection pipe and conduit in the wire holder.
Preferably, the rear-end heat-retaining portion includes:
the rear end heat preservation pipe is detachably arranged at one end of the guide pipe, and the other end of the rear end heat preservation pipe is respectively connected with the puncture needle head and the heat insulation adjusting part;
at least one group of puncture temperature measuring parts which are detachably arranged in the rear-end heat preservation pipe;
the inner connecting pipe is arranged in the rear-end heat preservation pipe and is communicated with the guide pipe and the puncture outer sleeve in a penetrating way.
Preferably, the rear-end heat-retaining portion further includes:
at least one group of rear-end heat-preserving seats, wherein the rear-end heat-preserving seats are arranged on the inner wall of the rear-end heat-preserving pipe;
the heat preservation reinforcement piece is arranged in the rear end heat preservation seat and used for reinforcing the heat preservation effect of the rear end heat preservation seat and a heat preservation and insulation rod arranged in the rear end heat preservation seat.
Preferably, the puncture needle comprises:
a spike electrode needle for tumor site ablation;
the electrode needle tube is used for supporting the spike electrode needle and is fixedly arranged at the end part of the rear-end heat preservation pipe.
Preferably, the heat insulation adjusting part includes:
the adjusting driving piece is arranged on the rear-end heat-preserving pipe;
the movable sleeve is connected with the adjusting driving piece and is sleeved on the electrode needle tube in a sliding way;
and one end of the adjusting push rod is hinged with an adjusting slide block, the adjusting slide block is slidably mounted on a positioning disk, and the positioning disk is used for supporting the pouring heat insulation part.
Preferably, the pouring heat insulating part includes:
at least one group of pouring heat insulation seats, wherein a plurality of groups of pouring openings are formed in the pouring heat insulation seats, and the pouring openings are used for pouring cooling medium into the ablation area;
and the medium output pipe is communicated with the pouring heat insulation seat in a penetrating way, and the medium output pipe is detachably connected with the adjusting slide block.
Preferably, the pouring heat insulating part further comprises:
the telescopic honeycomb duct, the one end and the interior connecting pipe of telescopic honeycomb duct run through the intercommunication, and the other end and the medium output tube of telescopic honeycomb duct run through the intercommunication, and telescopic honeycomb duct sets up in the positioning disk.
Compared with the prior art, the embodiment of the application has the following main beneficial effects:
the embodiment of the invention is provided with the pouring heat insulation part and the heat insulation adjusting part, the normal tissues can be prevented from being damaged by the pouring heat insulation part, the puncture treatment risk is reduced, the ion content of the tumor target area can be improved, the treatment effect is further ensured, and the heat insulation adjusting part can adjust the coverage area of the pouring heat insulation part according to the ablation target areas with different volumes.
The puncture fixing part is arranged in the embodiment, the puncture fixing part meets the fixing requirement of different volume ablation target areas on the puncture needle head, the puncture operation is convenient, and the smooth operation of the puncture operation is also ensured.
The embodiment of the invention is provided with the rear end protection seat, the heat preservation reinforcement and the heat preservation and heat insulation rod, and the heat preservation protection system at the rear side of the target area can be formed by the rear end protection seat, the heat preservation reinforcement and the heat preservation and heat insulation rod, so that the heat preservation effect is better compared with the single heat insulation pipe in the prior art.
Drawings
Fig. 1 is a schematic structural view of a tumor ablation pierceable temperature measuring needle provided by the invention.
Fig. 2 is an isometric view of the present invention.
Fig. 3 is a front view of the present invention.
Fig. 4 is a side view of the present invention.
Fig. 5 is a schematic structural view of the puncture fixing section according to the present invention.
Fig. 6 is a front view of the puncture fixing section according to the present invention.
Fig. 7 is a side view of the puncture fixing section provided by the present invention.
Fig. 8 is a schematic structural view of a puncture part capable of measuring temperature.
Fig. 9 is a schematic perspective view of a puncture part capable of measuring temperature.
Fig. 10 is a schematic structural view of the rear end heat insulation part provided by the invention.
Fig. 11 is a side view of the rear end thermal insulation part provided by the invention.
Fig. 12 is a schematic view of the structure of the puncture needle provided by the invention.
Fig. 13 is a schematic structural view of a heat insulation adjusting part provided by the invention.
Fig. 14 is a schematic structural view of a pouring heat insulating part provided by the invention.
In the figure: 1-puncture support assembly, 11-puncture handheld seat, 12-puncture limit seat, 121-puncture guide slot, 13-puncture fixed part, 131-fixed driving part, 132-transmission gear, 133-internal gear, 134-external gear, 135-linkage rack, 136-puncture positioning seat, 137-puncture fixed seat, 2-puncture ablation assembly, 21-ablation base, 22-wiring seat, 221-conduit, 222-medium injection tube, 23-puncture outer sleeve, 24-puncture clamping seat, 3-measurable temperature puncture part, 31-conduit tube, 32-rear end thermal insulation part, 321-rear end thermal insulation tube, 322-puncture temperature measuring part, 323-internal conduit tube, 324-rear end thermal insulation seat, 325-thermal insulation bar, 326-thermal insulation reinforcement, 33-thermal insulation adjusting part, 331-adjustment driving part, 332-movable sleeve, 333-adjustment push rod, 334-positioning disc, 335-adjustment slide block, 34-perfusion thermal insulation part, 341-perfusion thermal insulation seat, 342-medium output tube, 343-expansion and contraction, 344-perfusion opening, 35-puncture needle, 351-tip electrode, 352.
Description of the embodiments
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the applications herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
The insulating sleeve outside the existing needle bar can only insulate against heat to the rear side of the puncture area, can not assist in insulating against heat to the core area of the puncture front end during puncture, so that damage is caused to human tissues during puncture, based on the fact, we provide a tumor ablation puncture-able temperature measuring needle, in short, the tumor ablation puncture-able temperature measuring needle comprises: the puncture support assembly 1, wherein the puncture support assembly 1 comprises a puncture handheld seat 11, a puncture limiting seat 12 and a puncture fixing part 13; a puncture ablation assembly 2, wherein the puncture ablation assembly 2 is arranged on the puncture fixing part 13; the penetrating ablation assembly 2 includes: the device comprises an ablation base 21, a puncture outer sleeve 23, a puncture clamping seat 24 and a temperature-measurable puncture part 3 detachably arranged in the puncture clamping seat 24, wherein the temperature-measurable puncture part 3 comprises a conduction pipe 31, a rear end heat preservation part 32, a puncture needle 35, a perfusion heat insulation part 34 and a heat insulation adjusting part 33. When the tumor area of a patient is ablated, the puncture needle 35 is started, the puncture needle 35 rapidly realizes the cyclic freezing-heating treatment of the ablation target area, so that the physical killing and inactivation of the tissue of the ablation target area are realized, the tissue of the target area is immediately damaged by freezing and rewarming, after the ablation is finished, in order to avoid the thermal radiation damage of the puncture area, a cooling medium is injected into the perfusion heat insulation part 34, the tissue of the puncture area is cooled and insulated by the cooling medium, the damage of normal tissue is avoided, meanwhile, the ion content of the tumor target area can be improved by the cooling medium, the ablation energy is obviously improved, the coverage area of the perfusion heat insulation part 34 can be adjusted by the heat insulation adjusting part 33 according to the ablation target area with different volumes, and the application range of the application is enlarged. The embodiment of the invention is provided with the pouring heat insulation part 34 and the heat insulation adjusting part 33, the normal tissues can be prevented from being damaged by the pouring heat insulation part 34, the puncture treatment risk is reduced, the ion content of the tumor target area can be improved, the treatment effect is further ensured, and the covering area of the pouring heat insulation part 34 can be adjusted by the heat insulation adjusting part 33 according to the ablation target areas with different volumes.
The embodiment of the invention provides a tumor ablation pierceable temperature measurement needle, as shown in fig. 1-4, which comprises:
a puncture support assembly 1, wherein the puncture support assembly 1 is used for supporting a puncture ablation assembly 2, and the puncture support assembly 1 comprises a puncture handheld seat 11, a puncture limiting seat 12 and a puncture fixing part 13;
a puncture ablation assembly 2, the puncture ablation assembly 2 is mounted on the puncture fixing section 13.
It should be noted that, the puncture handheld seat 11 is fixedly connected with the puncture limiting seat 12 through a joggle joint or a welding manner, the puncture handheld seat 11 and the puncture limiting seat 12 can be made of nickel alloy or titanium alloy, and the puncture limiting seat 12 can be a round seat with a hollow inside.
Wherein the penetrating ablation assembly 2 comprises:
an ablation base 21, wherein the ablation base 21 is detachably mounted on the puncture fixing section 13;
a puncture outer sleeve 23 arranged at one side of the ablation base 21, wherein a puncture clamping seat 24 is fixedly arranged at one end of the puncture outer sleeve 23;
the temperature-measurable puncture part 3 which is detachably arranged in the puncture clamping seat 24, the temperature-measurable puncture part 3 is used for puncture operation of a tumor part and reduces thermal radiation damage to a puncture area, wherein the temperature-measurable puncture part 3 comprises a guide tube 31, a rear end heat preservation part 32, a puncture needle 35, a pouring heat insulation part 34 and a heat insulation adjusting part 33 as shown in fig. 8-9, the guide tube 31 is communicated with the puncture outer sleeve 23 in a penetrating way, the guide tube 31 is fixedly connected with the rear end heat preservation part 32, the rear end heat preservation part 32 is used for performing heat insulation protection on a puncture rear side edge area, the pouring heat insulation part 34 is used for matching with the rear end heat preservation part 32 to work and assisting pouring cooling medium to perform heat insulation protection on a puncture front side area, the puncture needle 35 is used for performing puncture operation, and the heat insulation adjusting part 33 is arranged on the rear end heat preservation part 32 and is used for adjusting the position of the pouring heat insulation part 34.
It should be noted that, the ablation base 21 may be a rectangular base, and the ablation base 21 and the outer puncture sleeve 23 are fixedly connected by welding or joggling, the outer puncture sleeve 23 is a hollow circular tube, the puncture clamping seat 24 is fixedly connected with the puncture clamping seat 24 by welding or fastening bolts, and a circular base or a cylinder may be disposed on one side of the ablation base 21, so as to facilitate connection to the puncture fixing portion 13.
Illustratively, the conducting tube 31 may be a conical round tube or a cylindrical tube, and the conducting tube 31 and the puncture outer sleeve 23 serve to contain and protect cooling medium, electric cables, electrode wires or control wires.
In this embodiment, when the tumor area of the patient is ablated, the puncture needle 35 is started, the puncture needle 35 rapidly realizes the cyclic freezing-heating treatment on the ablation target area, thereby realizing the physical killing and inactivation of the tissue of the ablation target area, the tissue of the target area is immediately damaged by freezing and rewarming, after the ablation is finished, in order to avoid the thermal radiation damage of the puncture area, a cooling medium is injected into the perfusion heat insulation part 34, the tissue of the puncture area is cooled and insulated by the cooling medium, the normal tissue is prevented from being damaged, meanwhile, the ion content of the tumor target area can be improved by the cooling medium, so that the ablation energy is remarkably improved, and the coverage area of the perfusion heat insulation part 34 can be adjusted by the heat insulation adjusting part 33 according to the ablation target areas with different volumes, so that the application scope is enlarged.
The embodiment of the invention is provided with the pouring heat insulation part 34 and the heat insulation adjusting part 33, the normal tissues can be prevented from being damaged by the pouring heat insulation part 34, the puncture treatment risk is reduced, the ion content of the tumor target area can be improved, the treatment effect is further ensured, and the covering area of the pouring heat insulation part 34 can be adjusted by the heat insulation adjusting part 33 according to the ablation target areas with different volumes.
In view of the requirement of different volumes of ablation targets for the specification of the puncture needle 35 during the operation, in order to facilitate the medical staff to operate the puncture needle 35 with different specifications, in a further preferred embodiment of the present invention, a puncture fixing part 13 is provided, as shown in fig. 5 to 7, the puncture fixing part 13 includes:
the fixed driving piece 131 is arranged on the puncture limiting seat 12;
a transmission gear 132 rotatably installed in the puncture limiting seat 12, wherein the transmission gear 132 is fixedly connected with a fixed driving piece 131;
as an alternative embodiment of the present invention, the fixed driving member 131 may be a rotating wheel, one side of the fixed driving member 131 is fixedly connected to the transmission gear 132 through a connecting rod, and both the fixed driving member 131 and the connecting rod are rotatably connected to the puncture limiting seat 12.
As another alternative embodiment of the present invention, the fixed driving member 131 may be a servo motor, and the servo motor is fixedly mounted on the puncture limiting seat 12 through a clamp or a fastening bolt, and the output end of the fixed driving member 131 penetrates through the puncture limiting seat 12 and is connected with the transmission gear 132 in an interference fit or joggled joint.
At least one group of internal gears 133, wherein the internal gears 133 are rotatably installed in the puncture limiting seat 12;
an external gear 134 provided on one side of the internal gear 133, the external gear 134 being fixedly connected with the internal gear 133.
At least one group of linkage racks 135, wherein the linkage racks 135 are slidably arranged in the puncture limiting seat 12, the linkage racks 135 are meshed with the external gear 134 for transmission, at least one group of puncture guide grooves 121 are formed in the puncture limiting seat 12, and the puncture guide grooves 121 are used for guiding and limiting the linkage racks 135;
the inner gear 133 and the outer gear 134 are connected by a connecting rod, the inner gear 133 and the outer gear 134 are circumferentially arranged on the outer side of the transmission gear 132, the number of the inner gear 133 and the outer gear 134 can be three groups, four groups, five groups or six groups, the linkage rack 135 is arranged on one side of the outer gear 134, and the puncture guiding groove 121 can be a rectangular groove with polished inner wall.
The puncture positioning seat 136, the puncture positioning seat 136 is fixedly installed in the puncture limiting seat 12, the puncture positioning seat 136 is slidably connected with the linkage rack 135, and at least one group of puncture fixing seats 137, wherein the puncture fixing seats 137 are used for fixing the ablation base 21.
It should be noted that, the puncture positioning seat 136 is fixed in the puncture limiting seat 12 by a fastening bolt or a welding manner, in order to keep the puncture fixing seat 137 fastened and clamping the ablation bases 21 with different specifications, in this embodiment, a return spring fixedly connected with the linkage rack 135 is embedded in the puncture positioning seat 136 or a torsion spring is fixedly arranged at one side of the internal gear 133 to keep the fastening and clamping of the ablation base 21, while in this embodiment, the puncture fixing seat 137 is fixedly connected with the linkage rack 135 by a joggle joint or a welding manner, and the puncture fixing seat 137 may be a rectangular seat or an arc seat structure.
When the ablation base 21 with different specifications needs to be clamped and fixed, the fixed driving piece 131 is started, the fixed driving piece 131 drives the transmission gear 132 to rotate, the transmission gear 132 drives the inner gear 133 to rotate, and the inner gear 133 drives the outer gear 134 to rotate, so that the outer gear 134 drives the linkage rack 135 and the puncture fixing seat 137 to move, linkage cooperation work of multiple groups of puncture fixing seats 137 is realized, the torsion spring or the reset spring avoids loosening of the linkage rack 135 and the puncture fixing seat 137, and meanwhile, the linkage rack 135, the inner gear 133 and the outer gear 134 are adopted to cooperate to ensure accurate position adjustment of the puncture fixing seat 137 in consideration of unstable elasticity of the torsion spring or the reset spring.
The puncture fixing part 13 is arranged in the embodiment, the puncture fixing part 13 meets the fixing requirement of different volume ablation target areas on the puncture needle 35, the puncture operation is convenient, and the puncture operation is ensured to be smoothly carried out.
In a further preferred embodiment of the present invention, as shown in fig. 1-2, the penetrating ablation assembly 2 further comprises:
the wire holder 22, the wire holder 22 is detachably installed at one side of the ablation base 21, and a medium injection pipe 222 and a conduit 221 are arranged in the wire holder 22.
In this embodiment, the wire holder 22 is detachably connected with the ablation base 21 by means of a buckle or a joggle, and the wire holder 22 can be externally connected with an electrical lead and a medium, so that the ablation current and the cooling medium respectively enter the ablation base 21, the puncture outer sleeve 23, the conduction tube 31 and the rear end heat preservation part 32 in sequence through the conduit 221 and the medium injection tube 222, thereby facilitating the smooth operation of puncture. It should be noted that the cooling medium in the embodiment of the present invention may be normal saline.
In a further preferred embodiment of the present invention, as shown in fig. 10 to 11, the rear end heat preservation part 32 includes:
the rear end heat preservation pipe 321, wherein the rear end heat preservation pipe 321 is detachably arranged at one end of the conduction pipe 31, and the other end of the rear end heat preservation pipe 321 is respectively connected with the puncture needle 35 and the heat insulation adjusting part 33;
at least one group of puncture temperature measuring pieces 322, wherein the puncture temperature measuring pieces 322 are detachably arranged in the rear-end heat preservation pipe 321;
an inner connecting pipe 323 arranged in the rear end heat preservation pipe 321, wherein the inner connecting pipe 323 is communicated with the conducting pipe 31 and the puncture outer sleeve 23 in a penetrating way.
In this embodiment, the rear end insulating tube 321 may be a hollow transparent glass tube, and the rear end insulating tube 321 is used for guiding a medium and protecting a cable line, an electrode line or a control line, and the puncture temperature measuring component 322 may be a temperature sensor, so that the real-time measurement of the temperature of the edge region of the target region can be facilitated, and further the temperature of the normal region is measured and protected, so that the phenomenon that damage occurs to the normal region due to overhigh or overlow temperature is avoided.
At least one group of rear-end heat preservation seats 324, wherein the rear-end heat preservation seats 324 are arranged on the inner wall of the rear-end heat preservation pipe 321;
the heat preservation reinforcement 326 is disposed in the rear heat preservation seat 324, and the heat preservation reinforcement 326 is used for reinforcing the heat preservation effect of the rear heat preservation seat 324 and the heat preservation and insulation rod 325 installed in the rear heat preservation seat 324.
In this embodiment, the rear-end heat insulation seats 324 are circumferentially and uniformly distributed in the rear-end heat insulation pipe 321, the rear-end heat insulation seats 324 may be rectangular seats, round seats or "U" seats, and the rear-end protection seats, the heat insulation reinforcement members 326 and the heat insulation bars 325 can form a heat insulation protection system at the rear side of the target area, so that the heat insulation effect is better compared with the single heat insulation pipe in the prior art.
It should be noted that, the heat insulation rod 325 may be installed in the rear heat insulation seat 324 through a buckle or a thread, the heat insulation rod 325 may be a spiral rod or a round rod structure with an arc-shaped protrusion on the outer wall, the heat insulation rod 325 is made of a heat insulation material, the heat insulation reinforcement 326 may be an arc-shaped plate or a V-shaped plate structure, and the heat insulation reinforcement 326 is made of a heat insulation material.
In a further preferred embodiment of the present invention, as shown in fig. 12, the puncture needle 35 comprises:
a spike electrode needle 351, the spike electrode needle 351 being used for tumor site ablation procedures;
the electrode needle tube 352 is used for supporting the spike electrode needle 351, and the electrode needle tube 352 is fixedly arranged at the end part of the rear-end heat preservation pipe 321.
In this embodiment, the spike electrode needle 351 is fixedly connected with the electrode needle tube 352 by welding or fastening, the electrode needle tube 352 is used for protecting the spike electrode needle 351, and one or more groups of spikes can be arranged at the end part of the spike electrode needle 351, so that the spike electrode needle 351 can be applied to a cryoablation apparatus and also can be applied to an ablation apparatus based on heat conduction. It should be noted that when the cryoablation apparatus is applied to the cryoablation apparatus, the source of the chilled air may be argon, nitrogen, nitrous oxide, carbon dioxide, gas or liquid refrigerant, and when the cryoablation apparatus is applied to the thermally conductive ablation apparatus, the source of the chilled air may be water, steam, alcohol (steam).
The electrode needle tube 352 is a hollow circular tube, and one end of the electrode needle tube 352 away from the spike electrode needle 351 is fixedly connected with the end face of the rear end heat insulation tube 321 in a fastening or welding manner.
In a further preferred embodiment of the present invention, as shown in fig. 13, the heat insulation adjusting part 33 includes:
an adjustment driving part 331, the adjustment driving part 331 being installed on the rear end heat preservation pipe 321;
a moving sleeve 332 connected with the adjusting driving part 331, the moving sleeve 332 is sleeved on the electrode needle tube 352 in a sliding way;
an adjusting push rod 333 connected with the moving sleeve 332, one end of the adjusting push rod 333 is hinged with an adjusting slide block 335, the adjusting slide block 335 is slidably mounted on a positioning plate 334, and the positioning plate 334 is used for supporting the pouring heat insulation part 34.
In this embodiment, the adjusting driving member 331 may be a rotating nut, the adjusting driving member 331 is rotatably connected with the rear end insulating tube 321 through a bearing, one side of the moving sleeve 332, which is close to the adjusting driving member 331, is connected with one side of the moving sleeve 332, which is far away from the adjusting driving member 331, through threads, is hinged with a plurality of groups of adjusting push rods 333, the adjusting push rods 333 are obliquely arranged, the positioning disc 334 may be fixedly sleeved on the electrode needle tube 352 or the rear end insulating tube 321, a plurality of groups of sliding grooves are formed in the positioning disc 334, and the sliding grooves are used for accommodating the adjusting sliding blocks 335 and the telescopic guide tubes 343.
In another alternative embodiment of the present invention, the adjusting driving member 331 may be an electric push rod or an air cylinder, and the adjusting driving member 331 is fixedly mounted on the end surface of the rear end heat insulation pipe 321 through a fastening bolt, and the telescopic end of the adjusting driving member 331 is fixedly connected with the moving sleeve 332 through a buckle.
Before the operation, according to the size of the tumor volume in the target area, the adjusting driving piece 331 is opened, the adjusting driving piece 331 drives the movable sleeve 332 to move along the axis extension line of the rear-end heat-preserving pipe 321, and then the movable sleeve 332 pushes the plurality of groups of adjusting push rods 333 to move, the adjusting push rods 333 drive the adjusting slide blocks 335 and the pouring heat insulation part 34 to move, and then the adjustment of the pouring heat insulation area is realized.
In a further preferred embodiment of the present invention, as shown in fig. 14, the pouring heat insulating part 34 includes:
at least one group of pouring heat insulation seats 341, wherein a plurality of groups of pouring ports 344 are formed in the pouring heat insulation seats 341, and the pouring ports 344 are used for pouring cooling medium into the ablation area;
and a medium output pipe 342 communicated with the pouring heat insulation seat 341 in a penetrating way, wherein the medium output pipe 342 is detachably connected with the adjusting slide block 335.
The telescopic honeycomb duct 343, telescopic honeycomb duct 343's one end runs through the intercommunication with interior connecting pipe 323, and telescopic honeycomb duct 343's the other end runs through the intercommunication with medium output tube 342, telescopic honeycomb duct 343 sets up in the positioning disk 334.
In this embodiment, the pouring heat insulation seat 341 may be a rectangular seat, a fan-shaped seat or an arc-shaped seat, and the inner side wall of the pouring heat insulation seat 341 is provided with multiple groups of pouring ports 344, the pouring ports 344 may be V-shaped grooves, round grooves or square grooves, and the cooling medium may be poured into the tumor target area through the pouring ports 344, so as to realize heat insulation protection of the tumor target area, avoid damage to other tissues of the body, and one end of the medium output pipe 342 is joggled or welded with the pouring heat insulation seat 341, and the other end of the medium output pipe 342 may be detachably connected with the adjusting slide block 335 through a buckle or a fastening bolt, so that the telescopic guide pipe 343 may be used for pouring the cooling medium into the medium output pipe 342 and the pouring heat insulation seat 341.
In summary, the invention provides a tumor ablation puncture-able temperature probe, when a tumor region of a patient is ablated, the puncture needle 35 is started, the puncture needle 35 rapidly realizes cyclic freezing-heating treatment on the ablation target region, thereby realizing physical killing and inactivation of the tissue of the ablation target region, the tissue of the target region is immediately damaged by freezing and rewarming, after the ablation is finished, in order to avoid thermal radiation damage in the puncture region, a cooling medium is injected into the perfusion heat insulation part 34, the cooling medium cools and insulates the tissue of the puncture region, so that normal tissues are prevented from being damaged, and meanwhile, the ion content of the tumor target region can be increased by the cooling medium, so that the ablation energy is remarkably increased, and the coverage area of the perfusion heat insulation part 34 can be adjusted according to the ablation target regions with different volumes by the heat insulation adjusting part 33, so that the application range of the application is enlarged.
The embodiment of the invention is provided with the pouring heat insulation part 34 and the heat insulation adjusting part 33, the normal tissues can be prevented from being damaged by the pouring heat insulation part 34, the puncture treatment risk is reduced, the ion content of the tumor target area can be improved, the treatment effect is further ensured, and the covering area of the pouring heat insulation part 34 can be adjusted by the heat insulation adjusting part 33 according to the ablation target areas with different volumes.
It should be noted that, for simplicity of description, the foregoing embodiments are all illustrated as a series of acts, but it should be understood by those skilled in the art that the present invention is not limited by the order of acts, as some steps may be performed in other order or concurrently in accordance with the present invention. Further, those skilled in the art will also appreciate that the embodiments described in the specification are all preferred embodiments, and that the acts and modules referred to are not necessarily required for the present invention.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the scope of the present invention. It will be apparent that the described embodiments are merely some, but not all, embodiments of the invention. Based on these embodiments, all other embodiments that may be obtained by one of ordinary skill in the art without inventive effort are within the scope of the invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art may still combine, add or delete features of the embodiments of the present invention or make other adjustments according to circumstances without any conflict, so as to obtain different technical solutions without substantially departing from the spirit of the present invention, which also falls within the scope of the present invention.
Claims (5)
1. Tumor ablation can puncture temperature probe, tumor ablation can puncture temperature probe includes:
a puncture bearing assembly (1), wherein the puncture bearing assembly (1) is used for bearing a puncture ablation assembly (2), and is characterized in that the puncture bearing assembly (1) comprises a puncture handheld seat (11), a puncture limiting seat (12) and a puncture fixing part (13);
a puncture ablation assembly (2), wherein the puncture ablation assembly (2) is arranged on the puncture fixing part (13);
wherein the penetrating ablation assembly (2) comprises:
an ablation base (21), wherein the ablation base (21) is detachably arranged on the puncture fixing part (13);
a puncture outer sleeve (23) arranged at one side of the ablation base (21), wherein a puncture clamping seat (24) is fixedly arranged at one end of the puncture outer sleeve (23);
the puncture device comprises a puncture clamping seat (24), a temperature-measurable puncture part (3) detachably arranged in the puncture clamping seat (24), wherein the temperature-measurable puncture part (3) is used for puncture operation of a tumor part and reduces thermal radiation damage to a puncture area, the temperature-measurable puncture part (3) comprises a guide pipe (31), a rear-end heat preservation part (32), a puncture needle head (35), a pouring heat insulation part (34) and a heat insulation adjusting part (33), the guide pipe (31) is communicated with a puncture outer sleeve (23) in a penetrating way, the guide pipe (31) is fixedly connected with the rear-end heat preservation part (32), the rear-end heat preservation part (32) is used for performing heat insulation protection in a puncture rear-side edge area, the pouring heat insulation part (34) is used for being matched with the rear-end heat preservation part (32) to assist in heat insulation protection of a puncture front-side area, and the puncture needle head (35) is used for performing puncture operation, and the heat insulation adjusting part (33) is arranged on the rear-end heat preservation part (32) and is used for adjusting the position of the pouring heat insulation part (34).
The puncture needle (35) comprises:
a spike electrode needle (351), the spike electrode needle (351) being used for tumor site ablation procedures;
an electrode needle tube (352) for supporting the spike electrode needle (351), wherein the electrode needle tube (352) is fixedly arranged at the end part of the rear-end heat preservation tube (321);
the heat insulation adjustment unit (33) comprises:
an adjusting driving piece (331), wherein the adjusting driving piece (331) is arranged on the rear end heat preservation pipe (321);
a moving sleeve (332) connected with the adjusting driving piece (331), wherein the moving sleeve (332) is sleeved on the electrode needle tube (352) in a sliding way;
an adjusting push rod (333) connected with the movable sleeve (332), one end of the adjusting push rod (333) is hinged with an adjusting slide block (335), the adjusting slide block (335) is slidably arranged on a positioning disc (334), and the positioning disc (334) is used for supporting the pouring heat insulation part (34);
the pouring heat insulation part (34) comprises:
at least one group of pouring heat insulation seats (341), wherein a plurality of groups of pouring ports (344) are formed in the pouring heat insulation seats (341), and the pouring ports (344) are used for pouring cooling medium into the ablation area;
a medium output pipe (342) which is communicated with the pouring heat insulation seat (341) in a penetrating way, wherein the medium output pipe (342) is detachably connected with the adjusting slide block (335);
the puncture fixing section (13) comprises:
the fixed driving piece (131), the fixed driving piece (131) is installed on the puncture limiting seat (12);
a transmission gear (132) rotatably installed in the puncture limiting seat (12), wherein the transmission gear (132) is fixedly connected with a fixed driving piece (131);
at least one group of internal gears (133), wherein the internal gears (133) are rotatably arranged in the puncture limiting seat (12);
an external gear (134) provided on one side of the internal gear (133), the external gear (134) being fixedly connected with the internal gear (133);
at least one group of linkage racks (135), wherein the linkage racks (135) are slidably arranged in the puncture limiting seat (12), the linkage racks (135) are meshed with the external gear (134) for transmission, at least one group of puncture guide grooves (121) are formed in the puncture limiting seat (12), and the puncture guide grooves (121) are used for guiding and limiting the linkage racks (135);
the puncture positioning seat (136), puncture positioning seat (136) fixed mounting is in puncture spacing seat (12), and puncture positioning seat (136) and linkage rack (135) sliding connection to and at least one set of puncture fixing base (137), puncture fixing base (137) are used for fixing ablation base (21).
2. The tumor ablative pierceable temperature probe of claim 1, wherein: the puncture ablation assembly (2) further comprises:
the wire holder (22), wire holder (22) demountable installation is in one side of melting base (21), and is provided with medium injection pipe (222) and conduit (221) in wire holder (22).
3. The tumor ablative pierceable temperature probe of claim 2, wherein: the rear-end heat-retaining portion (32) includes:
the rear end heat preservation pipe (321), the rear end heat preservation pipe (321) is detachably arranged at one end of the conduction pipe (31), and the other end of the rear end heat preservation pipe (321) is respectively connected with the puncture needle head (35) and the heat insulation adjusting part (33);
at least one group of puncture temperature measuring pieces (322), wherein the puncture temperature measuring pieces (322) are detachably arranged in the rear-end heat preservation pipe (321);
and an inner connecting pipe (323) arranged in the rear end heat preservation pipe (321), wherein the inner connecting pipe (323) is communicated with the conducting pipe (31) and the puncture outer sleeve (23) in a penetrating way.
4. A tumor ablative pierceable temperature probe according to claim 3, wherein: the rear-end heat-retaining portion (32) further includes:
at least one group of rear-end heat-preserving seats (324), wherein the rear-end heat-preserving seats (324) are arranged on the inner wall of the rear-end heat-preserving pipe (321);
the heat preservation reinforcement (326) is arranged in the rear-end heat preservation seat (324), and the heat preservation reinforcement (326) is used for reinforcing the heat preservation effect of the rear-end heat preservation seat (324) and a heat preservation and insulation rod (325) arranged in the rear-end heat preservation seat (324).
5. The tumor ablative pierceable temperature measurement needle of claim 4, wherein: the pouring heat insulation part (34) further comprises:
the telescopic honeycomb duct (343), the one end and the interconnection pipe (323) of telescopic honeycomb duct (343) run through the intercommunication, and the other end and medium output tube (342) of telescopic honeycomb duct (343) run through the intercommunication, and telescopic honeycomb duct (343) set up in positioning disk (334).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311004288.5A CN116898564B (en) | 2023-08-10 | 2023-08-10 | Tumor ablation puncture temperature measuring needle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311004288.5A CN116898564B (en) | 2023-08-10 | 2023-08-10 | Tumor ablation puncture temperature measuring needle |
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| CN116898564B true CN116898564B (en) | 2024-04-09 |
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| US5364351A (en) * | 1992-11-13 | 1994-11-15 | Ep Technologies, Inc. | Catheter steering mechanism |
| CN2722849Y (en) * | 2004-03-12 | 2005-09-07 | 王洪奎 | Radio frequency melting incisal mergin electrode |
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| CN210330721U (en) * | 2019-03-29 | 2020-04-17 | 国药控股吉林生物科技有限公司 | Ablation catheter handle structure |
| CN216257377U (en) * | 2021-10-22 | 2022-04-12 | 海杰亚（北京）医疗器械有限公司 | Microwave ablation electrode puncture needle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6974455B2 (en) * | 2002-04-10 | 2005-12-13 | Boston Scientific Scimed, Inc. | Auto advancing radio frequency array |
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2023
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5364351A (en) * | 1992-11-13 | 1994-11-15 | Ep Technologies, Inc. | Catheter steering mechanism |
| CN2722849Y (en) * | 2004-03-12 | 2005-09-07 | 王洪奎 | Radio frequency melting incisal mergin electrode |
| WO2005087123A1 (en) * | 2004-03-12 | 2005-09-22 | Hongkui Wang | Radio-frequency ablation electrode |
| CN208541399U (en) * | 2017-08-08 | 2019-02-26 | 湖南盈博医疗科技有限公司 | Adjustable cryoablation treatment puncture needle |
| CN210330721U (en) * | 2019-03-29 | 2020-04-17 | 国药控股吉林生物科技有限公司 | Ablation catheter handle structure |
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| CN116898564A (en) | 2023-10-20 |
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