CN110051390A - A kind of pain therapy electro photoluminescence radio frequency epitheca conduit - Google Patents

A kind of pain therapy electro photoluminescence radio frequency epitheca conduit Download PDF

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Publication number
CN110051390A
CN110051390A CN201910445695.7A CN201910445695A CN110051390A CN 110051390 A CN110051390 A CN 110051390A CN 201910445695 A CN201910445695 A CN 201910445695A CN 110051390 A CN110051390 A CN 110051390A
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Prior art keywords
unidirectional
conduit
curved segment
main body
cyclic annular
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江兴华
张伟
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Individual
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Priority to CN201910445695.7A priority Critical patent/CN110051390A/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • 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
    • A61B18/148—Probes or electrodes therefor having a short, rigid shaft for accessing the inner body transcutaneously, e.g. for neurosurgery or arthroscopy
    • 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
    • A61B18/1487—Trocar-like, i.e. devices producing an enlarged transcutaneous opening
    • 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
    • A61B18/1492—Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0043—Catheters; Hollow probes characterised by structural features
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0082—Catheter tip comprising a tool
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
    • A61N1/0551—Spinal or peripheral nerve electrodes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/3605—Implantable neurostimulators for stimulating central or peripheral nerve system
    • A61N1/3606—Implantable neurostimulators for stimulating central or peripheral nerve system adapted for a particular treatment
    • A61N1/36062—Spinal stimulation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/3605—Implantable neurostimulators for stimulating central or peripheral nerve system
    • A61N1/3606—Implantable neurostimulators for stimulating central or peripheral nerve system adapted for a particular treatment
    • A61N1/36071—Pain
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/3605—Implantable neurostimulators for stimulating central or peripheral nerve system
    • A61N1/36128—Control systems
    • A61N1/36135—Control systems using physiological parameters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/3605—Implantable neurostimulators for stimulating central or peripheral nerve system
    • A61N1/36128—Control systems
    • A61N1/36135—Control systems using physiological parameters
    • A61N1/3614—Control systems using physiological parameters based on impedance measurement
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
    • 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
    • A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
    • A61B2018/00434—Neural system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
    • A61B2018/00434—Neural system
    • A61B2018/0044—Spinal cord
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00773—Sensed parameters
    • A61B2018/00791—Temperature
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00773—Sensed parameters
    • A61B2018/00875—Resistance or impedance
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2210/00—Anatomical parts of the body
    • A61M2210/10—Trunk
    • A61M2210/1003—Spinal column

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  • Biomedical Technology (AREA)
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  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Heart & Thoracic Surgery (AREA)
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  • Orthopedic Medicine & Surgery (AREA)
  • Physiology (AREA)
  • Pulmonology (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Pain & Pain Management (AREA)
  • Surgical Instruments (AREA)

Abstract

The invention discloses a kind of pain therapy electro photoluminescence radio frequency epitheca conduits, including catheter body, it is hollow cavity inside catheter main body, catheter main body surface is provided with insulating layer, catheter body one end is set as unidirectional adjustable curved segment, the other end is provided with the unidirectional controllable bending structure that camber adjusting is carried out to adjustable curved segment, unidirectional adjustable curved segment is divided into head, middle part and tail portion, from the unidirectional adjustable curved segment on tail portion to head, up to few setting, there are two cyclic annular operating contacts, cyclic annular operating contact is coated on catheter main body, the outer wall of cyclic annular operating contact flushes or protrudes from catheter main body surface with catheter main body surface, the head of unidirectional adjustable curved segment is closed；Hollow cavity includes first passage lumen and second channel lumen, and the flexible electrode of aciculiform is provided in first passage lumen.The present invention is realized applied to treatment of chronic pain field, be provided simultaneously with injection, three kinds of pain therapy modes of ablation and electro photoluminescence minimally invasive interventional technique purpose.

Description

A kind of pain therapy electro photoluminescence radio frequency epitheca conduit
Technical field
The present invention relates to medical instrument application field, in particular to a kind of pain therapy is used with injection, ablation and electricity thorn Swash the radio frequency epitheca conduit of function.
Background technique
The neuromodulation technology in pain therapy field is just becoming following technological development direction, wherein journey spinal cord and week in short-term Nerve electric stimulation technology is enclosed to obtain in the subacute neurogenic pain treatment caused by various infection, wound and inflammatory factors Good clinical therapeutic efficacy.And the country generallys use the interim electric stimulation electrode implantation of famous foreign company production at present, warp It usually requires to continue to treat for two weeks after testing in vitro, often this kind of temporary electrode valuable product, while needing to be equipped with dedicated Electric stimulus generator and vitro program controlled equipment, and the permanent electrode and generator that are chronically implanted are expensive, and clinic is even more hardly possible To promote.
In clinical electric stimulation electrode implant procedure, the implant electrode especially near peripheral nerve, due to lacking radiography The design of observation nerve and structures surrounding, implant electrode product used at present can only be carried out by electrical stimulation signal repeatedly Mapping increases operating difficulty and risk, while medical care and patient receive a large amount of dose radiation.For most early stage neuropathy The inflammatory mechanisms that rationality pain generates, existing temporary electrode product equally also lack the function of injection drug therapy.And for Part can damage the chronic ache class disease of technology analgesia therapy using nerve ablation, still lack relevant radio frequency both at home and abroad at present Ablation catheter product design.Therefore, if designing while having the nerve of three kinds of injection, electro photoluminescence and ablation treatment functions to adjust Control product will provide more therapeutic choices for clinician, and greatly improve the clinical treatment effect of chronic ache class disease Fruit.
Summary of the invention
To solve the problems, such as above-mentioned background technique, the purpose of the present invention is to provide a kind of pain therapy electricity consumption thorns Lasing frequency epitheca conduit, realizes applied to treatment of chronic pain field, is provided simultaneously with three kinds of injection, ablation and electro photoluminescence pain The purpose of the minimally invasive interventional technique of therapeutic modality.
In order to achieve the above objectives, technical scheme is as follows:
A kind of pain therapy electro photoluminescence radio frequency epitheca conduit, including catheter body, the catheter main body inside is hollow Cavity, the catheter main body surface are provided with insulating layer, and described catheter body one end is set as unidirectional adjustable curved segment, and the other end is set It is equipped with the unidirectional controllable bending structure that camber adjusting is carried out to adjustable curved segment, the unidirectional adjustable curved segment is divided into head, middle part And tail portion, from the unidirectional adjustable curved segment on tail portion to head, up to few setting, there are two cyclic annular operating contact, the cyclic annular work touchings Point is coated on catheter main body, and the outer wall of cyclic annular operating contact flushes or protrude from catheter main body surface with catheter main body surface, The head of the unidirectional adjustable curved segment is closed；The hollow cavity includes first passage lumen and second channel lumen, institute State the flexible electrode that aciculiform is provided in first passage lumen, in the movable insertion first passage lumen of flexible electrode and with The inner wall of cyclic annular operating contact contacts, and the unidirectional controllable bending structure setting is in the first passage lumen far from unidirectional adjustable curved segment End, the unidirectional controllable bending structure other end are connected with electrode sockets, and the flexible electrode activity runs through unidirectional controllable kinking Structure, and be connected with electrode sockets, the unidirectional controllable bending structure includes unidirectional controllable bending cavity, is provided at its inner portion and can control The sliding block and latching structure of sliding, the latching structure lock electrode sockets；Second far from unidirectional adjustable curved segment is logical Road lumen end is provided with second channel end connector, is provided with injection on the second channel lumen of unidirectional adjustable curved segment Hole；It is additionally provided with conduit controllable bending seal wire in the catheter main body, controllable bending inflection point, institute are provided between cyclic annular operating contact Controllable bending inflection point is stated to be located at close to end-position；The catheter main body is occurred by the effect that unidirectional controllable bending structure is adjusted When bending, when the cyclic annular operating contact spatial position of adjustable curved segment changes, bending size keep at least the operation of 5mm away from From.
Preferably, the catheter body is made of insulation high-temperature-resistant PVC material.
Preferably, the insulating layer is made for Slippery coating materials.
Preferably, the head of the unidirectional adjustable curved segment is designed as undamaged circular cone blunt configuration.
Preferably, there are four the cyclic annular operating contact settings, the spacing between adjacent two cyclic annular operating contacts is greater than etc. In 6mm.
Preferably, the width of the cyclic annular operating contact is 3mm.
Preferably, the second channel end connector is an extension tube, is the female Luer of standard.
Preferably, the flexible electrode can produce different frequency stimulated current and radio-frequency current by electrode sockets connection Generator.
Preferably, the injection orifice is each provided with two in head, middle part and the tail portion of unidirectional adjustable curved segment, and head is in Spacing between the adjacent injection orifice of the adjacent injection orifice in portion two and middle part and tail portion two is more than or equal to 15mm, head, middle part and Spacing between respective two injection orifice in tail portion is 5mm.
Preferably, the flexible electrode and first passage lumen length and bore are consistent, and flexible electrode and first leads to Road lumen is provided with impedance and temperature sensor in the middle section corresponding section of controllable curved segment.
Through the above technical solutions, a kind of pain therapy provided by the invention electro photoluminescence radio frequency epitheca conduit, by hard Film exocoel or peripheral nerve puncture implantation, selectively carry out drug injection, electronic stimulation and target nerve RF ablation and control It treats；Multiple spot nerve mapping can not only accurately be carried out by providing one kind, while it is more that there is granting stimulated current or radio-frequency current to implement The radio frequency epitheca conduit of point stimulation and ablation is realized the electro photoluminescence of target nerve structure by epitheca catheter proximal end operating contact and is filled The clinical treatment purpose for dividing ablation to damage；By reasonable arrangement mode, the attainable caliber ruler of current material institute is being met It is very little, and the independent design injection canal structure on radio frequency epitheca conduit, realize the purpose of injection contrast agent and drug, while disappearing Cold brine perfusion is realized when melting；There is the stimulation generating device for realizing that mapping, electro photoluminescence and ablation have flexible electrode simultaneously.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described.
Fig. 1 is structural schematic diagram disclosed in the embodiment of the present invention；
Fig. 2 is the sectional view of cyclic annular operating contact disclosed in the embodiment of the present invention；
Fig. 3 is the sectional view of injection orifice disclosed in the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description.
A kind of pain therapy provided by the invention electro photoluminescence radio frequency epitheca conduit, as shown in Figure 1-3, include conduit sheet Body, the catheter main body inside are hollow cavity, and the catheter main body surface is provided with insulating layer 1, and insulating layer 1 is lubricious Material is made, and described catheter body one end is set as unidirectional adjustable curved segment, and the other end, which is provided with, carries out camber tune to adjustable curved segment The unidirectional controllable bending structure of section, the unidirectional adjustable curved segment are divided into head 6, middle part and tail portion, the list from tail portion to head 6 To adjustable curved segment up to few setting there are two cyclic annular operating contact 2, in the present embodiment there are four the cyclic annular settings of operating contact 2, phase Spacing between the cyclic annular operating contact 2 of neighbour two is more than or equal to 6mm, and the width of cyclic annular operating contact 2 is 3mm, the cyclic annular work Contact 2 is coated on catheter main body, and the outer wall of cyclic annular operating contact 2 is flushed with the insulating layer 1 on catheter main body surface or slightly protruded The side wall that insulating layer 1, inner wall in catheter main body surface run through first passage lumen 3 is connected to the inside of first passage lumen 3, The head of the unidirectional adjustable curved segment be it is closed, be designed as undamaged circular cone blunt configuration, prevent from puncturing or scratching disease Human body inner tissue；The hollow cavity includes first passage lumen 3 and second channel lumen 4, and the second channel lumen 4 is located at The side of first passage lumen 3 and obstructed with first passage lumen 3, is provided with flexible electrode 13 in the first passage lumen 3, It is contacted in the movable insertion first passage lumen 3 of flexible electrode 13 and with the inner wall of cyclic annular operating contact 2, it is described unidirectionally Control kinking structure is arranged far from 3 end of first passage lumen of unidirectional adjustable curved segment, and the unidirectional controllable bending structure other end connects Electrode sockets 8 are connected to, 13 activity of flexible electrode runs through unidirectional controllable bending structure, and is connected with electrode sockets 8, the list Include unidirectional controllable bending cavity 14, be provided at its inner portion the sliding block 9 and latching structure 12 that can be horizontally slipped, institute to controllable bending structure Latching structure 12 is stated to lock electrode sockets 8；4 end of second channel lumen far from unidirectional adjustable curved segment is provided with second Channel end connector 7, second channel end connector 7 are an extension tube, are the female Luer of standard, are located at unidirectional adjustable curved segment Second channel lumen 4 on be provided with injection orifice 5；Conduit controllable bending seal wire 10, cyclic annular work are additionally provided in the catheter main body Make to be provided with controllable bending inflection point 11 between contact 2, the controllable bending inflection point 11 is located at close to end-position；The conduit master When body is bent by the effect that operation handle is adjusted, 2 spatial position of cyclic annular operating contact of adjustable curved segment changes When, bending size keeps at least operating distance of 5mm.
The catheter body is made of insulation high-temperature-resistant PVC material.
The flexible electrode 13 connects the generation that can produce different frequency stimulated current and radio-frequency current by electrode sockets 8 Device, the flexible electrode 13 and 3 length of first passage lumen and bore are consistent, and length dimension is 40-60cm, flexible electrical Pole 13 is provided with impedance and temperature sensor in the middle section corresponding section of controllable curved segment with first passage lumen 3, for detecting electricity Pole impedance and temperature, medical worker judge to recline between electrode and lesion tissue by the impedance between detecting electrode Fine or not degree, what is reclined is better, and impedance can be lower.
The injection orifice 5 is each provided with two in head 6, middle part and the tail portion of unidirectional adjustable curved segment, head and middle part two Spacing between the adjacent injection orifice 5 of adjacent injection orifice 5 and middle part and tail portion two is more than or equal to 15mm, head, middle part and tail Spacing between respective two injection orifice 5 in portion is 5mm.
Second channel lumen 4 is injection canal, is independent guide-tube structure, with first passage lumen 3 since tail end Design is integrally wrapped to head end, the head of the adjustable curved segment of first passage lumen 3 and the outer diameter at middle part are more than or equal to the outer diameter of tail portion, The inflection point of adjustable curved segment may also be arranged on the middle part of controllable curved segment, and unidirectional adjustable curved segment is curved in unidirectional same sagittal plane Song, it is 30 ° -60 ° that axial line, which forms angular range, and first passage lumen 3 is equipped with x-ray witness marker.
The ring-type operating contact 2 is ring structure or cyclic annular disconnected dot structure, when cyclic annular operating contact 2 is cyclic annular breakpoint When formula structure, each cyclic annular operating contact 2 includes four rectangles, ellipse or circular metal contact, four metals Contact is embedded in catheter main body surface, one end and 1 outer surface of insulating layer of hard contact along catheter main body circumferencial direction in a ring Flush or slightly protrude from the flexible electrode of 1 outer surface of insulating layer, the other end in catheter main body surface and first passage lumen 3 13 contacts.
Other than the injection drug of common conduit and radiography function, the present invention can not only easily carry out target neural tissue Mapping and electro photoluminescence, while for the first time design have provide radio-frequency current implement cold brine perfusion ablation；Being not only able to reduce makes With the quantity of conduit and the number of replacement therapeutic equipment, working efficiency is improved；Because it is designed using independent flexible electrode, and Consumptive material expense used in clinic can be greatlyd save.Retain injection, radiography and cold brine perfusion function in addition to increasing secondary conduits, Radio frequency epitheca main pipe is head end closing, while radio frequency epitheca catheter proximal end is controllable curved segment, and there are four annular metals to work Contact, flexible electrode can be placed in the closed first passage lumen of head end and contact with four annular metal operating contacts, when soft Property the generating device output different frequency electrical stimulation signal or RF ablation electric current that is connected of electrode tail end, four can be passed through respectively Cyclic annular operating contact completes the mapping of target nerve, and journey electro photoluminescence in short-term and nerve ablation damage three kinds of operating modes for the treatment of, Pipeization design is made full use of to meet the different demands for different operation plans.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest scope of cause.

Claims (10)

1. a kind of pain therapy electro photoluminescence radio frequency epitheca conduit, including catheter body, the catheter main body inside is hollow cavity Body, which is characterized in that the catheter main body surface is provided with insulating layer, and described catheter body one end is set as unidirectional adjustable bending Section, the other end are provided with the unidirectional controllable bending structure that camber adjusting is carried out to adjustable curved segment, and the unidirectional adjustable curved segment is successively divided It is described from the unidirectional adjustable curved segment on tail portion to head up to few setting there are two cyclic annular operating contact for head, middle part and tail portion Cyclic annular operating contact is coated on catheter main body, and the outer wall of cyclic annular operating contact flushes or protrude from conduit with catheter main body surface The head of body surfaces, the unidirectional adjustable curved segment is closed；The hollow cavity includes that first passage lumen and second are logical Road lumen is provided with the flexible electrode of aciculiform, the movable insertion first passage of flexible electrode in the first passage lumen It is contacted in lumen and with the inner wall of cyclic annular operating contact, the unidirectional controllable bending structure setting is in the far from unidirectional adjustable curved segment One channel lumen end, the unidirectional controllable bending structure other end are connected with electrode sockets, and the flexible electrode activity is through single It is connected to controllable bending structure, and with electrode sockets, the unidirectional controllable bending structure includes unidirectional controllable bending cavity, is arranged at it The sliding block and latching structure that inside can horizontally slip, the latching structure lock electrode sockets；Far from unidirectional adjustable bending The second channel lumen end of section is provided with second channel end connector, sets on the second channel lumen of unidirectional adjustable curved segment It is equipped with injection orifice；It is additionally provided with conduit controllable bending seal wire in the catheter main body, is provided with controllable bending between cyclic annular operating contact Inflection point, the controllable bending inflection point are located at close to end-position；The catheter main body is adjusted by unidirectional controllable bending structure When acting on and bending, when the cyclic annular operating contact spatial position of adjustable curved segment changes, bending size keeps at least 5mm Operating distance.
2. a kind of pain therapy according to claim 1 electro photoluminescence radio frequency epitheca conduit, which is characterized in that the conduit Ontology is made of insulation high-temperature-resistant PVC material, and the insulating layer is made for Slippery coating materials.
3. a kind of pain therapy according to claim 1 electro photoluminescence radio frequency epitheca conduit, which is characterized in that the ring-type Operating contact is ring structure or cyclic annular disconnected dot structure, when the ring-type operating contact is cyclic annular disconnected dot structure, Mei Gesuo Stating cyclic annular operating contact includes four rectangles, ellipse or circular metal contact, and four hard contacts are along catheter main body circle Circumferential direction is embedded in catheter main body surface in a ring, and one end of hard contact flushes with insulating layer outer surface or slightly protrude from insulation Layer outer surface, the other end are contacted through catheter main body surface with the intraluminal flexible electrode of first passage.
4. a kind of pain therapy according to claim 1 electro photoluminescence radio frequency epitheca conduit, which is characterized in that described unidirectional The head of adjustable curved segment is designed as undamaged circular cone blunt configuration.
5. a kind of pain therapy according to claim 1 electro photoluminescence radio frequency epitheca conduit, which is characterized in that the ring-type There are four operating contact settings, and the spacing between adjacent two cyclic annular operating contacts is more than or equal to 6mm.
6. a kind of pain therapy according to claim 5 electro photoluminescence radio frequency epitheca conduit, which is characterized in that the ring-type The width of operating contact is 3mm.
7. a kind of pain therapy according to claim 1 electro photoluminescence radio frequency epitheca conduit, which is characterized in that described second Channel end connector is an extension tube, is the female Luer of standard.
8. a kind of pain therapy according to claim 1 electro photoluminescence radio frequency epitheca conduit, which is characterized in that the flexibility Electrode can produce the generator of different frequency stimulated current and radio-frequency current by electrode sockets connection.
9. a kind of pain therapy according to claim 1 electro photoluminescence radio frequency epitheca conduit, which is characterized in that the injection Hole is each provided with two in head, middle part and the tail portion of unidirectional adjustable curved segment, the head injection orifice adjacent with middle part two and middle part Spacing between the injection orifice adjacent with tail portion two is more than or equal to 15mm, between head, respective two injection orifice in middle part and tail portion Spacing be 5mm.
10. a kind of pain therapy according to claim 1 electro photoluminescence radio frequency epitheca conduit, which is characterized in that described soft Property electrode and first passage lumen length and bore it is consistent, flexible electrode and first passage lumen are in the middle section of controllable curved segment Corresponding section is provided with impedance and temperature sensor.
CN201910445695.7A 2019-05-27 2019-05-27 A kind of pain therapy electro photoluminescence radio frequency epitheca conduit Pending CN110051390A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023087426A1 (en) * 2021-11-16 2023-05-25 深圳市理康医疗器械有限责任公司 Direction-adjustable pharyngeal catheter electrode

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023087426A1 (en) * 2021-11-16 2023-05-25 深圳市理康医疗器械有限责任公司 Direction-adjustable pharyngeal catheter electrode

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