WO2022260203A1 - 전극 유닛 및 이를 포함하는 전극 장치 - Google Patents
전극 유닛 및 이를 포함하는 전극 장치 Download PDFInfo
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- WO2022260203A1 WO2022260203A1 PCT/KR2021/007422 KR2021007422W WO2022260203A1 WO 2022260203 A1 WO2022260203 A1 WO 2022260203A1 KR 2021007422 W KR2021007422 W KR 2021007422W WO 2022260203 A1 WO2022260203 A1 WO 2022260203A1
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- Prior art keywords
- electrode
- layer
- fastening
- electrode unit
- clamping piece
- Prior art date
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- 230000000903 blocking effect Effects 0.000 claims abstract description 7
- 238000004804 winding Methods 0.000 claims description 25
- 230000008878 coupling Effects 0.000 claims description 24
- 238000010168 coupling process Methods 0.000 claims description 24
- 238000005859 coupling reaction Methods 0.000 claims description 24
- 230000001276 controlling effect Effects 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
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- 238000001356 surgical procedure Methods 0.000 description 2
- 229910001006 Constantan Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010020772 Hypertension Diseases 0.000 description 1
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- 238000002679 ablation Methods 0.000 description 1
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- 210000004204 blood vessel Anatomy 0.000 description 1
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- 229910052802 copper Inorganic materials 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
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- 208000019622 heart disease Diseases 0.000 description 1
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- 210000005037 parasympathetic nerve Anatomy 0.000 description 1
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- 238000002604 ultrasonography Methods 0.000 description 1
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Images
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/1482—Probes or electrodes therefor having a long rigid shaft for accessing the inner body transcutaneously in minimal invasive surgery, e.g. laparoscopy
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- 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
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- A—HUMAN NECESSITIES
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- 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
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- 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
- A61B2018/00345—Vascular system
- A61B2018/00404—Blood vessels other than those in or around the heart
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- 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
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- A—HUMAN NECESSITIES
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- 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
- A61B2018/00505—Urinary tract
- A61B2018/00511—Kidney
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- 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
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00773—Sensed parameters
- A61B2018/00791—Temperature
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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
- A61B2018/1407—Loop
Definitions
- the present invention is an electrode unit for blocking or controlling nerves in the body and an electrode device including the same.
- Nerve block surgery refers to a procedure that damages specific nerves to control the abnormally overactive autonomic nervous system.
- renal nerve block can treat high blood pressure and heart disease by damaging the renal sympathetic nerve to the kidneys
- pulmonary nerve block can treat lung disease by damaging the parasympathetic nerve to the lungs.
- Nerves usually cover the outer walls of tubes such as blood vessels and bronchi, and it is necessary to measure nerve signals by covering the outer walls of such tubes, or to damage or destroy nerves by transmitting electrical stimulation or various energies to the nerves. will be.
- the diameter of the main renal artery to be operated is 5 to 7 mm, and the accessory renal artery with a diameter of 1 to 2 mm is targeted.
- the size of the tube through which the nerve is distributed varies from person to person, and the size varies depending on the location.
- An object of the present invention is to provide an electrode device including an electrode unit that is in contact with a human body and an electrode guide that manipulates the electrode unit by forming a combination with minimized contact with the electrode unit.
- one embodiment of the present invention is an electrode unit provided in an electrode device for blocking or controlling nerves in the body to surround a tubular tissue in the body, including a fastening portion,
- the extension part and the electrode part are formed by sequentially extending, and the electrode part having the electrode formed on one side is configured to surround the tubular tissue, and the electrode layer for the fastening part, the extension part, and a part of the electrode part It includes a fixed layer laminated on.
- the fixing layer has a first fastening part formed to correspond to the fastening part at one end, a second fastening part formed at the other end, and a connection part connecting between the first and second fastening parts. Including, the boundary between the connecting portion and the second fastening portion is configured to be bendable.
- the fixed layer is attached to the electrode layer, but at least a portion of the electrode portion of the electrode layer is not attached to the fixed layer.
- the first fastening part of the fixed layer is attached to correspond to the fastening part of the electrode layer, and the entire connection part of the fixed layer is the extension of the electrode layer and a part of the electrode part of the electrode layer. attached across
- the first fastening part of the fixed layer is attached to correspond to the fastening part of the electrode layer, and a part of the connection part of the fixed layer is attached to the entire extension part of the electrode layer, and the fixed layer The remaining part of the connection portion of is not attached to the electrode portion of the electrode layer.
- the first fastening part of the fixed layer is attached to correspond to the fastening part of the electrode layer, and a part of the connection part of the fixed layer is an extension part of the electrode layer and a part of the electrode part of the electrode layer. , and the remaining part of the connection portion of the fixing layer is not attached to the electrode portion of the electrode layer.
- An embodiment of the present invention further includes a sensor unit disposed on the electrode unit of the electrode layer and configured to sense a temperature.
- the electrode unit in an electrode device for blocking or regulating nerves in the body, the electrode unit according to the embodiment of the present invention, and the electrode unit is deformed into a winding state to contact the tubular tissue.
- the electrode guide includes a body part spaced apart from the electrode unit in the winding state and wrapped around the tubular tissue, and a distal end of the body part connected to the fastening part of the electrode unit. It includes a coupling part formed to be fixed.
- the coupling part includes a first clamping piece formed to be fixed to the body part, and a second clamping piece coupled to the first clamping piece with the fastening part of the electrode unit interposed therebetween do.
- any one of the first clamping piece and the second clamping piece has a protrusion formed to protrude in one direction
- the other one of the first clamping piece and the second clamping piece has a fastening groove recessed to correspond to the protruding part, and a through hole through which the protruding part passes is formed in the fastening part of the electrode unit.
- the fastening part of the electrode unit is configured to be inserted between the first clamping piece and the second clamping piece.
- the electrode guide further includes a joint wire coupled to the second clamping piece through the body portion to guide the body portion in a winding state, the second clamping piece, the joint A wire groove into which an end of a wire is inserted, and a fixing plate closing a part of the wire groove to prevent the end of the joint wire from being separated from the wire groove.
- the electrode guide and the electrode unit in a winding state, may be disposed to be spaced apart from each other in most sections. Accordingly, the procedure can be performed in a state where the space in which the electrode unit and the electrode guide are spaced apart from each other is exposed to air or the like, and heat generated from the electrode unit can be easily dissipated by convective heat transfer.
- the electrode unit can be firmly supported by the coupling part of the electrode guide while minimizing the coupling (assembly) point of the electrode unit and the electrode guide, so that durability and reliability are improved. can be secured Furthermore, it is possible to easily assemble such an electrode unit and an electrode guide to each other.
- the electrode guide that is deformed into a winding state by power and the electrode unit that is in close contact with the body tube are configured separately from each other, the effect of power transmission, for example, vibration or force, is transmitted to the body tube. can be suppressed
- FIG. 1 is a side view of an electrode device according to an embodiment of the present invention.
- Figure 2 is a perspective view showing a winding state of the electrode guide according to an embodiment of the present invention.
- 3A is a diagram illustrating a process in which an electrode guide according to an embodiment of the present invention is deformed into a winding state.
- 3B is a diagram illustrating a process in which an electrode guide according to an embodiment of the present invention is deformed into a winding state.
- 3C is a diagram illustrating a process in which an electrode guide according to an embodiment of the present invention is deformed into a winding state.
- FIG. 4 is a perspective view showing a body part and a coupling part of an electrode guide according to an embodiment of the present invention.
- FIG. 5 is a plan view showing a part of an electrode unit according to an embodiment of the present invention.
- 6A is an exploded perspective view of an electrode unit according to an embodiment of the present invention.
- 6B is an exploded perspective view of an electrode unit according to an embodiment of the present invention.
- FIG. 7 is an exploded perspective view of an electrode unit and a coupling part according to an embodiment of the present invention.
- FIG. 8 is a perspective view showing a state in which an electrode unit and a coupling part are coupled to each other according to an embodiment of the present invention.
- 9A is a side view showing an attached state of an electrode layer and a fixing layer of an electrode unit according to an embodiment of the present invention.
- 9B is a side view showing an attached state of an electrode layer and a fixing layer of an electrode unit according to an embodiment of the present invention.
- FIG. 10A is a view showing a state in which the electrode guide and the electrode unit surround a tubular tissue in the attached state according to FIG. 9A.
- FIG. 10B is a view showing a state in which the electrode guide and the electrode unit surround a tubular tissue in the attached state according to FIG. 9B.
- FIG. 1 is a side view of an electrode device 100 according to an embodiment of the present invention
- FIG. 2 is a perspective view showing a winding state of an electrode guide 130 according to an embodiment of the present invention.
- Figures 3a to 3c are views showing the process of the electrode guide 130 according to an embodiment of the present invention is deformed into a winding state
- Figure 4 is the electrode guide 130 according to an embodiment of the present invention It is a perspective view showing the body portion 131 and the coupling portion 132.
- an electrode device 100 may include a main body 110, an electrode unit 120, and an electrode guide 130.
- the main body 110 includes a shaft 111 extending in one direction, a grip part 112 connected to the shaft 111 so that an operator can grip it, and a grip part 112 formed on the grip part 112 to guide the electrode guide 130. It may include a guide manipulation unit 113 capable of manipulating an operation and an electrode manipulation unit 114 formed on the grip unit 112 and capable of manipulating energy transfer to the electrode unit 120 . Elements for driving and controlling the electrode unit 120 and the electrode guide 130 may be disposed inside the main body 110 .
- the electrode unit 120 and the electrode guide 130 are formed to protrude from one end of the shaft 111, and are configured to surround, block, or control at least a portion of nerves distributed in tubular tissues in the body according to an operator's manipulation. .
- the electrode unit 120 contacts the outer surface of the tubular tissue V in the body in a way to wrap it, and transmits electrical stimulation to nerves distributed in the tissue V or various Energy may be transmitted to block or modulate at least a portion of a nerve.
- the electrode guide 130 may perform a function of bringing the electrode unit 120 into contact with the tubular tissue V.
- the electrode guide 130 may be combined with the electrode unit 120 and transformed into a winding state in which the electrode unit 120 contacts the tubular tissue V.
- the winding state may refer to states as shown in FIGS. 2 and 3C , for example.
- the electrode guide 130 provided in the present invention may include a body portion 131 and a coupling portion 132. .
- the body portion 131 may be disposed to wrap around the tubular tissue V with the electrode unit 120 interposed therebetween in a winding state.
- the electrode guide 130 is accommodated inside the shaft 111 together with the electrode unit 120, and is pulled out from one end toward the front F for a procedure in a winding state. can be transformed
- the plurality of body parts 131 may be sequentially drawn out and moved toward one side to be in a winding state that encloses the tubular tissue V as a whole.
- the electrode guide 130 is spaced apart from the outer circumferential surface of the tubular tissue V, and the electrode unit 120 disposed inside the wound inner side of the electrode guide 130 is on the outer circumferential surface of the tubular tissue V. can be attached.
- the body portion 131 may include a first body group 131x and a second body group 131y. As shown in FIGS. 3A to 4 , the first body group 131x may have a first length in the longitudinal direction, and the second body group 131y may have a second length longer than the first length.
- the first body group 131x and the second body group 131y may include, for example, six joints having different lengths.
- the first body group 131x forms a first radius of curvature in a winding state
- the second body group 131y forms a second radius of curvature.
- a second radius of curvature greater than one radius of curvature may be formed. That is, as shown in FIG. 3C , joints (first body group 131x) having a relatively short length can form a small radius of curvature, and joints having a long length (second body group 131y) )) can form a large radius of curvature.
- the first body group 131x forming the first radius of curvature is on the side close to the coupling part 132
- the second body group 131y forming the second radius of curvature is on the side close to the shaft 111.
- the electrode guide 130 including the body portion 131 may have a spiral shape as a whole.
- FIG. 5 is a plan view illustrating a part of an electrode unit 120 according to an embodiment of the present invention
- FIGS. 6A to 6B are exploded perspective views of the electrode unit 120 according to an embodiment of the present invention.
- 7 is an exploded perspective view of the electrode unit 120 and the coupling part 132 according to an embodiment of the present invention
- FIG. 8 is an exploded perspective view of the electrode unit 120 and the coupling part 132 according to an embodiment of the present invention.
- ) is a perspective view showing a state in which they are coupled to each other.
- the electrode unit 120 is an electrode unit provided in an electrode device for blocking or controlling nerves in the body to surround a tubular tissue in the body, as shown in FIG. ,
- the fastening part 1201, the extension part 1202, and the electrode part 1203 may be formed by sequentially extending.
- a through hole 120a may be formed in the coupling part 1201 to be coupled with the coupling part 132 to be described with reference to FIGS. 7 and 8 .
- the electrode unit 120 may be configured such that when wrapping the tubular tissue in the body, the electrode unit 1203 contacts the outer surface of the tubular tissue and covers it.
- the electrode unit 120 includes a flexible PCB for transmitting high-frequency energy, a transducer for transmitting ultrasonic energy, and a high-voltage front. It may be composed of a metal electrode or the like for transmitting energy.
- An electrode 122 capable of transmitting energy to a tubular tissue may be formed on the electrode part 1203 of the electrode unit 120, and the electrode 122 is a pair extending parallel to each other on the electrode part 1203. It can be composed of bipolar electrodes of
- the electrode 122 may be made of a material that is harmless to the human body and can transmit electricity, such as stainless steel or gold, in order to block or denervate or control or modulate nerves. Electrode 122 can also deliver various types of energy from the energy source generator.
- radio-frequency (RF) energy For example, radio-frequency (RF) energy, electrical energy, laser energy, ultrasonic energy, high-intensity focused ultrasound energy, cryogenic energy and other thermal energy. energy can be used.
- RF radio-frequency
- the sensor unit 123 may be disposed between the electrodes 122 on the electrode unit 1203, and the sensor unit 123 may be a thermocouple made of the first metal 123a and the second metal 123b. .
- the sensor unit 123 may be composed of a pair of copper and constantan.
- the electrode unit 120 may include an electrode layer 121 and a fixed layer 126 stacked with the electrode layer 121 .
- the electrode layer 121 may be formed by sequentially extending the electrode layer fastening portion 1211 , the electrode layer extension portion 1212 , and the electrode layer electrode portion 1213 .
- the fixed layer 126 may be stacked on the electrode layer 121 for portions of the fastening portion 1211 , the extension portion 1212 , and the electrode portion 1213 of the electrode layer 121 .
- the fixing layer 126 includes a first fastening part 1261 formed at one end, a second fastening part 1263 formed at the other end, and a connection part 1262 connecting the first and second fastening parts 1261 and 1263. can be provided with
- the first fastening part 1261 of the fixed layer corresponds to the electrode layer fastening part 1211 and is stacked on the electrode layer fastening part 1211 to form the fastening part 1201 of the electrode unit.
- connection portion 1262 of the fixed layer may extend to the extension portion 1212 of the electrode layer 121 and part of the electrode portion 1213 .
- a part of the connection portion 1262 of the fixed layer may correspond to the extension portion 1212 of the electrode layer, and may be stacked on the extension portion 1212 of the electrode layer to form the extension portion 1202 of the electrode unit.
- the remaining portion of the connection portion 1262 of the fixed layer may be stacked on the electrode portion 1213 of the electrode layer.
- connection part 1262 of the fixed layer and the second fastening part 1263 may be configured such that the connection part 1262 and the second fastening part 1263 of the fixed layer are bent.
- the coupling part 132 may be connected to the end of the body part and the end of the electrode unit 120 may be fixed. As shown in FIG. 7 , the coupling part 132 may include a first clamping piece 132a and a second clamping piece 132b. In addition, a joint wire 133 passing through the body and coupled to the second clamping piece 132b may be further included to guide the body in a winding state.
- the joint wires 133 may be formed to sequentially pass through the body.
- the joint wire 133 may guide the deformation of the electrode guide into a shape surrounding a tube in the body.
- the second clamping piece 132b includes a wire groove 132b2 into which the end of the joint wire 133 is inserted and a wire groove 132b2 to prevent the end of the joint wire 133 from being separated from the wire groove 132b2. It may be provided with a fixing plate (132b3) that closes a part of.
- the wire groove 132b2 may be formed to accommodate the end of the joint wire 133 between the plurality of fastening grooves 132b1 provided in the second clamping piece 132b.
- the end of the joint wire 133 inserted into the wire groove 132b2 has a larger diameter than the wire 133 or a different shape from that of the wire 133, so it is caught on the fixing plate 132b3 and is not separated from the wire groove 132b2. and can be fixed.
- first clamping piece 132a may be formed to be fixed to the body, and the second clamping piece 132b is a part of the first clamping piece 132a and the electrode unit 120, preferably of the electrode unit. It may be combined with the first clamping piece 132a with the fastening part 1201 and the second fastening part 1263 of the fixing layer interposed therebetween.
- any one of the first clamping piece 132a and the second clamping piece 132b may have a protrusion 132a1 formed to protrude in one direction, and the other one of the first clamping piece 132a and the second clamping piece 132b is recessed in correspondence with the protrusion 132a1. ) can be provided.
- the second clamping piece 132b may be provided with the fastening groove 132b1.
- a fastening groove may be provided in the second clamping piece 132b.
- the protrusion 132a1 provided on the first clamping piece 132a passes through the second fastening part of the fixed layer and the fastening part of the electrode unit 120 and is coupled to the fastening groove 132b1 provided on the second clamping piece 132b It can be.
- through-holes 120a and 1263a through which the protrusion 132a1 may pass may be formed in the fastening part 1201 of the electrode unit and the second fastening part 1263 of the fixed layer, respectively.
- the first clamping piece 132a and the second clamping piece 132a and the second clamping piece 132b are interposed between the fastening part 1201 of the electrode unit and the second fastening part 1263 of the fixing layer.
- the electrode unit 120 may be firmly fixed while surrounding the second clamping piece 132b.
- the fastening part of the electrode layer, part of the extension part and the electrode part, and the fixing layer may surround the second clamping piece 132b.
- FIGS. 10A to 10B are side views illustrating an attached state of an electrode layer 121 and a fixing layer 126 of an electrode unit according to an embodiment of the present invention, and FIGS. 10A to 10B are respectively illustrated in FIGS. It is a view showing a state in which the electrode guide 130 and the electrode unit 120 surround the tubular tissue V in the attached state.
- the front end (left end) of the coupling part 132 coincides with the boundary between the extension part of the electrode unit and the electrode part.
- the region indicated by S in FIG. 9A corresponds to the fastening part, the extension part, and part of the electrode part of the electrode unit, and also corresponds to the first fastening part and the connecting part of the fixed layer.
- the region indicated by S in FIG. 9B corresponds to the fastening part and the extension part of the electrode unit, and also corresponds to a part of the first fastening part and the connecting part of the fixed layer.
- the fixing layer 126 may be attached to the electrode layer 121 while being stacked on the electrode layer 121 .
- the fixing layer 126 may be attached to the electrode layer 121 in the region indicated by S in FIG. 9A . That is, in the fixing layer 126 , the first fastening part and the entire connection part may be attached to the electrode layer 121 . Accordingly, the first fastening part of the fixed layer 126 is attached corresponding to the fastening part of the electrode layer 121, and the entire connection part of the fixed layer 126 is attached over the extension part of the electrode layer 121 and part of the electrode part. It can be.
- the electrode guide 130 and the electrode unit 120 may cover the tubular tissue V.
- the electrode guide 130 may be deformed into a winding state in which the electrode unit 120 comes into contact with the tubular tissue V, and may be arranged to wrap around the tissue V with the electrode unit 120 interposed therebetween. have.
- the electrode unit 120 is in contact with the outer surface of the tissue V in a state in which a portion of the electrode unit of the electrode unit 120 is in contact with the second clamping piece, which is the first joint of the coupling portion 132, and the tissue V can wrap
- the fixed layer 126 may be attached to the electrode layer 121, but the fixed layer 126 and the electrode layer 121 may not be attached to at least a portion of the electrode portion of the electrode layer 121.
- the fixing layer 126 may be attached to the electrode layer 121 in the region indicated by S in FIG. 9B . That is, in the fixing layer 126 , the first fastening part and part of the connection part may be attached to the electrode layer 121 . Accordingly, the first fastening part of the fixed layer 126 is attached to correspond to the fastening part of the electrode layer 121, and a part of the connecting part of the fixed layer 126 may be attached to the entire extended part of the electrode layer 121. . Also, the remaining part of the connection portion of the fixing layer 126 may not be attached to the electrode layer 121 , particularly the electrode portion of the electrode layer 121 .
- the electrode guide 130 and the electrode unit 120 may cover the tubular tissue V.
- the electrode part of the electrode unit 120 does not contact the second clamping piece, which is the first joint of the coupling part 132, the electrode unit can form a smaller radius of curvature, compared to the attached state as shown in FIG. 9a.
- a tubular tissue V having a smaller diameter may be wrapped.
- the first fastening part of the fixed layer is attached corresponding to the fastening part of the electrode layer, and a part of the connection part of the fixed layer is attached over the extension part of the electrode layer and part of the electrode part of the electrode layer, The remaining part of the connection portion of the fixed layer may not be attached to the electrode portion of the electrode layer.
- the electrode unit may form a radius of curvature smaller than the radius of curvature formed by the electrode unit in the attached state shown in FIG. 9A, and a radius of curvature formed by the electrode unit in the attached state shown in FIG. 9B.
- a large radius of curvature can be formed.
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Abstract
Description
Claims (12)
- 체내의 신경을 차단 또는 조절하기 위한 전극 장치에 제공되어 체내의 관형의 조직을 감싸도록 마련되는 전극 유닛으로서,체결부, 연장부 및 전극부가 차례로 연장되어 형성되되, 일 측에 전극이 형성된 상기 전극부가 상기 관형의 조직을 감싸도록 구성되는 전극 레이어; 및상기 체결부, 상기 연장부 및 상기 전극부의 일부에 대하여 상기 전극 레이어에 적층되는 고정 레이어를 포함하는,전극 유닛.
- 제 1 항에 있어서,상기 고정 레이어는,일단에 상기 체결부에 대응하도록 형성되는 제1 체결부;타단에 형성되는 제2 체결부; 및상기 제1, 2 체결부 사이를 연결하는 연결부를 포함하고,상기 연결부와 상기 제2 체결부의 경계는 절곡 가능하게 구성되는,전극 유닛.
- 제 1 항에 있어서,상기 고정 레이어는 상기 전극 레이어에 부착되되, 상기 전극 레이어의 전극부의 적어도 일부가 상기 고정 레이어와 부착되지 않는,전극 유닛.
- 제 2 항에 있어서,상기 고정 레이어의 제1 체결부가 상기 전극 레이어의 체결부에 대응하여 부착되고, 상기 고정 레이어의 연결부의 전체는 상기 전극 레이어의 연장부 및 상기 전극 레이어의 전극부 일부에 걸쳐 부착되는,전극 유닛.
- 제 2 항에 있어서,상기 고정 레이어의 제1 체결부가 상기 전극 레이어의 체결부에 대응하여 부착되고, 상기 고정 레이어의 연결부의 일부는 상기 전극 레이어의 연장부의 전체에 부착되되, 상기 고정 레이어의 연결부의 나머지 일부는 상기 전극 레이어의 전극부에 부착되지 않는,전극 유닛.
- 제 2 항에 있어서,상기 고정 레이어의 제1 체결부가 상기 전극 레이어의 체결부에 대응하여 부착되고, 상기 고정 레이어의 연결부의 일부는 상기 전극 레이어의 연장부 및 상기 전극 레이어의 전극부 일부에 걸쳐 부착되고, 상기 고정 레이어의 연결부의 나머지 일부는 상기 전극 레이어의 전극부에 부착되지 않는,전극 유닛.
- 제 1 항에 있어서,상기 전극 레이어의 상기 전극부 상에 배치되어 온도를 감지하도록 구성되는 센서부를 더 포함하는,전극 유닛.
- 체내의 신경을 차단 또는 조절하기 위한 전극 장치에 있어서,제 1 항에 따른 전극 유닛;상기 전극 유닛을 상기 관형의 조직에 접촉시키도록 와인딩 상태로 변형되는 전극 가이드를 포함하며,상기 전극 가이드는,상기 와인딩 상태에서 상기 전극 유닛과 이격되어 상기 관형의 조직의 둘레를 감싸도록 형성되는 몸체부; 및상기 몸체부의 말단부에 연결되고 상기 전극 유닛의 체결부가 고정되도록 형성되는 결합부를 포함하는,전극 장치.
- 제 8 항에 있어서,상기 결합부는,상기 몸체부에 고정되도록 형성되는 제1 클램핑 피스; 및상기 전극 유닛의 상기 체결부를 사이에 두고 상기 제1 클램핑 피스와 결합되는 제2 클램핑 피스를 포함하는,전극 장치.
- 제 9 항에 있어서,상기 제1 클램핑 피스 및 제2 클램핑 피스 중 어느 하나는, 일 방향으로 돌출되도록 형성되는 돌출부를 구비하고,상기 제1 클램핑 피스 및 제2 클램핑 피스 중 다른 하나는, 상기 돌출부에 대응하여 리세스되는 체결 홈을 구비하고,상기 전극 유닛의 상기 체결부에는, 상기 돌출부가 관통하는 관통홀이 형성되는,전극 장치.
- 제 9 항에 있어서,상기 전극 유닛의 상기 체결부가 상기 제1 클램핑 피스와 상기 제2 클램핑 피스 사이에 삽입되도록 구성되는,전극 장치.
- 제 9 항에 있어서,상기 전극 가이드는 상기 몸체부를 와인딩 상태로 가이드하기 위하여 상기 몸체부를 관통하여 상기 제2 클램핑 피스에 결합되는 조인트 와이어를 더 포함하고,상기 제2 클램핑 피스는,상기 조인트 와이어의 단부가 삽입되도록 형성되는 와이어 홈; 및상기 와이어 홈으로부터 상기 조인트 와이어의 단부가 이탈되는 것을 방지하도록 상기 와이어 홈의 일부를 폐쇄하는 고정 플레이트를 구비하는,전극 장치.
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CN202180099186.9A CN117460473A (zh) | 2021-06-08 | 2021-06-14 | 电极单元及包括其的电极装置 |
EP21945270.3A EP4335397A1 (en) | 2021-06-08 | 2021-06-14 | Electrode unit and electrode device including same |
BR112023025602A BR112023025602A2 (pt) | 2021-06-08 | 2021-06-14 | Unidade de eletrodos e dispositivo de eletrodos que inclui a mesma |
AU2021449806A AU2021449806A1 (en) | 2021-06-08 | 2021-06-14 | Electrode unit and electrode device including same |
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CA3222978A1 (en) | 2022-12-15 |
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KR102347531B1 (ko) | 2022-01-07 |
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