CN109893127B - Anesthesia depth monitor - Google Patents
Anesthesia depth monitor Download PDFInfo
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- CN109893127B CN109893127B CN201910228510.7A CN201910228510A CN109893127B CN 109893127 B CN109893127 B CN 109893127B CN 201910228510 A CN201910228510 A CN 201910228510A CN 109893127 B CN109893127 B CN 109893127B
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Abstract
The invention relates to the technical field of monitors and discloses an anesthesia depth monitor which comprises a machine body and a plurality of electrode plates, wherein each electrode plate comprises a patch, each patch comprises a middle part and a plurality of fitting strips, an electrode layer is arranged on the inner end surface of the middle part, and a conductive layer covers the outside of each electrode layer; a conductive piece is arranged in the middle part and is in conductive connection with the electrode layer, and a connector connected with an input head of the data line is formed at the outer end of the conductive piece; an arc-strip-shaped outer elastic sheet spans between the adjacent attaching strips, when the middle part of the outer elastic sheet is upwards protruded, the two ends of the outer elastic sheet downwards press the attaching strips, and when the middle part of the outer elastic sheet is downwards protruded, the two ends of the outer elastic sheet drive the attaching strips to upwards tilt; utilize the laminating strip then can form the attached of multiposition for the electrode slice can stabilize more and attach on the body surface, and utilize outer shell fragment to support and press the laminating strip, and attached firm, when the outer shell fragment protrusion of drive down warp, the both ends drive laminating strip perk of outer shell fragment is convenient for take off the electrode slice.
Description
Technical Field
The invention relates to the technical field of monitors, in particular to an anesthesia depth monitor.
Background
In modern analgesic practice, the definition of analgesia cannot be simple and unified due to the use of potent inhalation anesthetics, opioids, muscle relaxants, and intravenous anesthetics. Currently, another definition of anesthesia is: anesthesia is a drug-induced state of unconsciousness, where loss of consciousness is considered to be threshold (total or absent), so that there is no depth of anesthesia, but only the appropriate anesthetic venom. Suitable analgesia is the effect of one or more anesthetics at concentrations sufficient to satisfy surgery and to provide patient comfort. When used in combination, it is almost impossible to determine the intensity of the different effects by a single measurement method due to the diversity of the pharmacological effects.
Currently, medical science believes that anesthesia may be the result of various levels of functional inhibition or excitation of the central nervous system. The anesthetic exerts various effects, some enhancement, some attenuation, and some no effect, on the net-like structure-induced, spontaneous neural activity depending on the anesthetic and the selected neuron. Many anesthetics enhance spontaneous reticular neural activity, rather than simply inhibiting it.
Brain waves are electrical activity from the nervous tissue of the brain, and all living tissue has changes in electrical potential during excitation. Research shows that when the brain is in different states, such as arousal and sleep, the number of nerve units participating in electrical activity, the discharge frequency of each neuron and the nerve conduction speed of action potential are different, brain waves are measurable electrophysiological reactions generated by the nervous system of the brain, and a graphic curve formed by the relation between the potential of the brain waves and time is an electroencephalogram. Electroencephalograms represent spontaneous neuroelectrical activity of the cerebral cortex, and general anesthesia can cause reversible central nervous system depression and excitation, thereby achieving the purposes of unconsciousness and pain relief.
The classification of brain waves is performed artificially mainly according to the frequency thereof, and generally has the following classification method. Alpha wave: is the main brain electrical activity when normal adults calmly close eyes, and all areas of the brain are most obvious from the top occiput. Alpha waves are generally considered to be the main manifestation of brain wave activity when the cortex is in a resting state, 8Hz-13 Hz. Beta wave: most notably the frontal and central regions. Waves occur when a normal person is awakened from a quiet eye-closing state. Generally the main brain wave activity manifestations of the neocortex in a state of special stress activity, 14Hz-30 Hz.
In the prior art, an anesthesia depth monitor comprises a signal input module, an amplification module and an analog-to-digital conversion module; the brain wave electric signal processing device comprises a signal input module, an amplification module, an analog-to-digital conversion module and a calculation module, wherein the signal input module is used for receiving brain wave electric signals simulating cerebral cortex, the amplification module is connected with the signal input module and used for amplifying the brain wave electric signals of the signal input module, the analog-to-digital conversion module is connected with the amplification module and used for converting the brain wave electric signals of the cerebral cortex into digital electric signals, the brain wave electric signal processing device further comprises the calculation module, the calculation module is connected with the analog-to-digital conversion module and used for calculating the obtained digital electric signals, the calculation module comprises a Fourier transform system, a weighting calculation module or the calculation module comprises a Fourier transform system, a weighting calculation module and a self-adaptive neural fuzzy system, the.
The signal input module of the anesthesia depth monitor is an electrode plate, the electrode plate is attached to the body surface of a user, such as a scalp, and the like, the sedation and muscle relaxation values of the user are obtained by detecting the brain wave electric signals of the user and then processing and calculating the brain wave electric signals in a series, so that the anesthesia depth of the user can be conveniently known in the operation process, and the dosage of the analgesic drug can be controlled.
The electrode slice is attached on the body surface of a user and is connected with the body through a data line, so that the brain wave electric signals detected by the electrode slice are transmitted into the body through the data line for processing, sometimes, the problems of unstable connection and the like easily occur due to pulling or moving and the like, and the monitoring process is interrupted.
Disclosure of Invention
The invention aims to provide an anesthesia depth monitor, and aims to solve the problem that in the prior art, the electrode plates of the anesthesia depth monitor are unstable in connection.
The anesthesia depth monitor comprises a machine body and a plurality of electrode plates, wherein a signal amplification element, a signal conversion element and a calculation element are arranged in the machine body, an interface is arranged on the machine body, a data line is connected to the interface, and the data line is provided with an input head connected with the electrode plates; the electrode plate comprises a patch, the patch comprises a middle part and a plurality of attaching strips arranged around the periphery of the middle part, attaching glue is arranged on the inner end surface of each attaching strip, the inner ends of the attaching strips are butted on the periphery of the middle part, and the outer ends of the attaching strips extend outwards away from the periphery of the middle part; an electrode layer is arranged on the inner end face of the middle part and extends to the inside of the middle part, and a conductive layer covers the outside of the electrode layer; a conductive piece is arranged in the middle part, the inner end of the conductive piece is arranged in the middle part and is in conductive connection with the electrode layer, and the outer end of the conductive piece is exposed on the outer end surface of the middle part to form a connector connected with the input end of the data line; an arc-strip-shaped outer elastic sheet is arranged between every two adjacent attaching strips in a crossing manner, the outer elastic sheet is arc-strip-shaped, and two ends of the outer elastic sheet are respectively and correspondingly connected to the middle parts of the two adjacent attaching strips; when the middle part of outer shell fragment was upwards protruding, the both ends of outer shell fragment are supporting down and are pressing the laminating strip, work as when the middle part of outer shell fragment is protruding down, the both ends of outer shell fragment drive laminating strip perk up.
Furthermore, the tip of outer shell fragment has the embedding portion of embedding in laminating strip, the both ends of embedding portion are connected with flexible strip respectively, flexible strip embedding is in inside the laminating strip, two flexible strip corresponds the orientation respectively the inner and the outer end extension of laminating strip are arranged.
Further, the flexible strips are arranged in a zigzag extending mode.
Further, an arc-strip-shaped inner elastic sheet is arranged in the attaching strip, the end part of the embedding part is connected with the middle part of the inner elastic sheet, and two ends of the inner elastic sheet extend along the width of the attaching strip; when the middle part of the inner elastic sheet is raised upwards, the two ends of the inner elastic sheet are downwards abutted, and when the middle part of the inner elastic sheet is raised downwards, the two ends of the inner elastic sheet drive the joint strip to be raised upwards.
Furthermore, a filling groove is formed in the inner end face of the middle part, the electrode layer is filled in the filling groove and extends to be exposed out of the inner end face of the middle part, a connecting disc is arranged at the inner end of the conductive piece, the connecting disc is provided with a butt-joint disc face exposed at the bottom of the filling groove, the butt-joint disc face is in butt-joint conduction with the electrode layer, the connecting head is connected to the connecting disc, and the peripheral size of the connecting head is smaller than that of the connecting disc; the surface of the butt joint disk is convexly provided with a plurality of butt joint pins, and the plurality of butt joint pins are inserted into the electrode layer.
Further, an embedded ball is formed at the tail end of the butt joint pin and is arranged in the electrode layer.
Further, an embedding groove is formed in an input head of the data line, when the data line is connected with the electrode plate, the input head is butted on the outer end face of the middle part, and the connecting head is embedded in the embedding groove of the input head; the input head is provided with a butt joint end face in butt joint with the outer end face of the middle part, the butt joint end face is provided with a plurality of magnetic attraction grooves, magnetic attraction blocks are filled in the magnetic attraction grooves, and the magnetic attraction blocks are arranged in parallel with the butt joint end face.
Furthermore, the connector is in an elliptic cylinder shape, the embedding groove is in a cylindrical hole shape, and a clamping block is convexly arranged on the inner side wall of the embedding groove; a clamping groove is formed in the outer side wall of the connector along the long axis direction of the ellipse; after the connector is arranged in the embedding groove, the clamping block is clamped in the clamping groove by rotating the input head.
Furthermore, the clamping groove is arranged along the circumferential direction of the connector, and the depth of the clamping groove is gradually deepened; the fixture block is provided with an outer end face facing the connector, and the outer end face of the fixture block is spherical.
Further, along the extending direction of draw-in groove, the draw-in groove along the axial of connector coils downwards, the top of embedding recess is equipped with the elastic layer, the elastic layer is supporting pressing the top of connector.
Compared with the prior art, the anesthesia depth monitor provided by the invention has the advantages that the electrode plates are attached to the body surface of a user, the conductive layers and the electrode layers are utilized to receive brain wave electric signals, the brain wave electric signals are transmitted into the machine body through the data lines, and the final data or brain wave information of the user is obtained through the operation of the signal amplification element, the signal conversion element and the calculation element; because the paster includes the intermediate part and a plurality of laminating strip that arrange around the intermediate part periphery, utilize the laminating strip then can form the attached of multiposition for the electrode slice can stabilize more and attach on the body surface, and utilize outer shell fragment to support and press the laminating strip, and it is attached more firm, in addition, after the outer shell fragment protrusion of drive down warp, the both ends drive laminating strip perk of outer shell fragment is convenient for take off the electrode slice from the user's body surface.
Drawings
FIG. 1 is a cross-sectional view of an electrode sheet provided by the present invention;
FIG. 2 is a cut-away schematic view of an input head provided by the present invention;
FIG. 3 is a schematic front view of a patch provided by the present invention;
fig. 4 is a schematic front view of the connector according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
Referring to fig. 1-4, preferred embodiments of the present invention are shown.
The anesthesia depth monitor comprises a machine body and a plurality of electrode plates, wherein a signal amplification element, a signal conversion element and a calculation element are arranged in the machine body, an interface is arranged on the machine body, a data line is connected onto the interface, and the data line is provided with an input head connected with the electrode plates.
The electrode plate comprises a patch 100, the patch 100 comprises a middle part 101 and a plurality of attaching strips 102 arranged around the periphery of the middle part 101, attaching glue is arranged on the inner end faces of the attaching strips 102, the inner ends of the attaching strips 102 are butted on the periphery of the middle part 101, and the outer ends of the attaching strips 102 extend outwards away from the periphery of the middle part 101; the inner end surface of the middle part 101 is provided with an electrode layer 300, the electrode layer 300 extends to the inside of the middle part 101, and the outside of the electrode layer 300 is covered with the conductive layer 200.
The middle part 101 is provided with a conductive member, the inner end of the conductive member is arranged inside the middle part 101 and is conductively connected with the electrode layer 300, the outer end of the conductive member is exposed on the outer end surface of the middle part 101, and a connecting head 402 connected with the input head of the data line is formed.
An arc-shaped outer elastic sheet 103 spans between two adjacent attaching strips 102, the outer elastic sheet 103 is arc-shaped, and two ends of the outer elastic sheet 103 are respectively and correspondingly connected to the middle parts of two adjacent attaching strips 102; when the middle portion of the outer elastic sheet 103 is raised upward, the two ends of the outer elastic sheet 103 are pressed against the joint strips 102 downward, and when the middle portion of the outer elastic sheet 103 is raised downward, the two ends of the outer elastic sheet 103 drive the joint strips 102 to tilt upward.
In practical use, the electrode plate is attached to the body surface of a user, the conductive layer 200 and the electrode layer 300 are used for receiving brain wave electric signals, the brain wave electric signals are transmitted into the body through data lines, and the final data or brain wave information of the user is obtained through the operation of the signal amplification element, the signal conversion element and the calculation element; because the patch 100 comprises the middle part 101 and the plurality of attaching strips 102 arranged around the periphery of the middle part 101, multi-position attaching can be formed by using the attaching strips 102, so that the electrode plate can be more stably attached to the body surface, and the outer elastic sheet 103 is utilized to abut against the attaching strips 102, so that the attaching is more stable, in addition, after the outer elastic sheet 103 is driven downwards to protrude and deform, the two ends of the outer elastic sheet 103 drive the attaching strips 102 to tilt, and the electrode plate can be conveniently taken down from the body surface of a user.
In this embodiment, the end of the outer elastic sheet 103 has an embedded portion embedded in the attaching strip 102, two ends of the embedded portion are respectively connected with a flexible strip embedded inside the attaching strip 102, and the two flexible strips respectively extend towards the inner end and the outer end of the attaching strip 102. Thus, when the outer elastic sheet 103 drives the two ends to tilt upwards, the flexible strip is pulled to drive the whole attaching strip 102, so that the electrode plate can be conveniently taken down.
The flexible strips are arranged in a zigzag extending manner, so that the pulling range and the pulling force of the flexible strips are greatly increased.
An arc-shaped inner elastic sheet is arranged in the attaching strip 102, the end part of the embedding part is connected with the middle part of the inner elastic sheet, and the two ends of the inner elastic sheet extend along the width of the attaching strip 102; like this, when pushing down outer shell fragment 103, the middle part undercut of shell fragment in the tip of outer shell fragment 103 also drive, and at this moment, the both ends of interior shell fragment then perk for the both sides of laminating strip 102 break away from with user's body surface, and then, along with the middle part undercut of outer shell fragment 103, the tip of outer shell fragment 103 perks up, and then breaks away from user's body surface with whole laminating strip 102.
Specifically, the inner spring plate and the outer spring plate 103 are curved in the same direction, but the size of the inner spring plate is smaller than that of the outer spring plate 103.
In this embodiment, the inner end surface of the intermediate portion 101 has a fitting ring around the outer periphery of the conductive layer 200, and the fitting ring is provided with a fitting adhesive, so that not only the fitting strip 102 but also the fitting ring is fitted to the body surface of the user.
The inner end surface of the middle part 101 forms a filling groove, the electrode layer 300 is filled in the filling groove and extends to be exposed out of the inner end surface of the middle part 101, the inner end of the conductive piece is provided with a connecting disc 401, the connecting disc 401 is provided with a butt joint disc surface exposed at the bottom of the filling groove, and the butt joint disc surface is in butt joint conduction with the electrode layer 300.
The surface of the docking tray is convexly provided with a plurality of docking pins, and the docking pins are inserted into the electrode layer 300, so that the connection between the electrode layer 300 and the conductive member is more stable.
The end of the docking pin is formed with an embedded ball, which is disposed in the electrode layer 300, so that the docking pin is not easily separated from the electrode layer 300.
In this embodiment, the connecting head 402 is connected to the connecting pad 401, and the outer circumference of the connecting head 402 is smaller than that of the connecting pad 401, so that the connecting pad is placed in the middle portion 101 of the patch 100, and the connecting head 402 is placed outside the middle portion 101 of the patch 100, so that the connecting pad can be stably placed in the middle portion 101 of the patch 100.
The input head of the data line is formed with an insertion groove 501, and when the data line is connected to the electrode pad, the input head is butted against the outer end face of the intermediate portion 101, and the connection head 402 is inserted into the insertion groove 501 of the input head.
The input head has a butt-joint end face 504 in butt joint with the outer end face of the middle part 101, the butt-joint end face 504 is provided with a plurality of magnetic attraction grooves, magnetic attraction blocks 503 are filled in the magnetic attraction grooves, and the magnetic attraction blocks 503 are arranged in parallel with the butt-joint end face 504, so that when the butt-joint end face 504 is in butt joint with the outer end face of the middle part 101, the conductive piece is attracted by the magnetic attraction blocks 503, and the connection between the input head and the connecting head 402 can be more stable.
The connector 402 is in an elliptic cylinder shape, the embedding groove 501 is in a cylindrical hole shape, and a clamping block 502 is convexly arranged on the inner side wall of the embedding groove 501; along the long axis direction of the ellipse, the outer side wall of the connector 402 is provided with a clamping groove 403; after the connector 402 is arranged in the embedding groove 501, the clamping block 502 is clamped in the clamping groove 403 by rotating the input head, so that the connector 402 is embedded in the embedding groove 501 conveniently, and after the connector is embedded, the connector 402 can be stably arranged in the embedding groove 501 by rotating, and the structure is simple.
The engaging groove 403 is along the circumferential direction of the connecting head 402, and the depth of the engaging groove 403 is gradually increased, so that the engaging block 502 can be engaged in the engaging groove 403 from shallow to deep as the input head rotates.
The latch 502 has an outer end surface facing the connector 402, and the outer end surface of the latch 502 is spherical, so as to facilitate the engagement between the latch 502 and the engaging groove 403. Along the extending direction of the locking groove 403, the locking groove 403 is coiled downward along the axial direction of the connector 402, so that the insertion depth of the connector 402 into the insertion groove 501 is gradually increased as the input head is rotated.
The top of the embedding groove 501 is provided with an elastic layer 505, and the elastic layer 505 presses against the top of the connecting head 402, so that the connection head 402 and the embedding groove 501 can be clamped more stably by the reaction force of the elastic layer 505.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The anesthesia depth monitor is characterized by comprising a machine body and a plurality of electrode plates, wherein a signal amplification element, a signal conversion element and a calculation element are arranged in the machine body, an interface is arranged on the machine body, a data line is connected to the interface, and the data line is provided with an input head connected with the electrode plates; the electrode plate comprises a patch, the patch comprises a middle part and a plurality of attaching strips arranged around the periphery of the middle part, attaching glue is arranged on the inner end surface of each attaching strip, the inner ends of the attaching strips are butted on the periphery of the middle part, and the outer ends of the attaching strips extend outwards away from the periphery of the middle part; an electrode layer is arranged on the inner end face of the middle part and extends to the inside of the middle part, and a conductive layer covers the outside of the electrode layer; a conductive piece is arranged in the middle part, the inner end of the conductive piece is arranged in the middle part and is in conductive connection with the electrode layer, and the outer end of the conductive piece is exposed on the outer end surface of the middle part to form a connector connected with the input end of the data line; an arc-strip-shaped outer elastic sheet is arranged between every two adjacent attaching strips in a crossing manner, the outer elastic sheet is arc-strip-shaped, and two ends of the outer elastic sheet are respectively and correspondingly connected to the middle parts of the two adjacent attaching strips; when the middle part of the outer elastic sheet is upwards raised, the two ends of the outer elastic sheet downwards abut against the attaching strips, and when the middle part of the outer elastic sheet is downwards raised, the two ends of the outer elastic sheet drive the attaching strips to upwards tilt;
the inner end face of the middle part is filled with the electrode layer, the electrode layer extends and is exposed out of the inner end face of the middle part, the inner end of the conductive piece is provided with a connecting disc, the connecting disc is provided with a butt joint disc face exposed at the bottom of the filling groove, the butt joint disc face is in butt joint conduction with the electrode layer, the connecting head is connected to the connecting disc, and the peripheral size of the connecting head is smaller than that of the connecting disc; the surface of the butt joint disk is convexly provided with a plurality of butt joint pins, and the plurality of butt joint pins are inserted into the electrode layer.
2. The anesthesia depth monitor of claim 1, wherein the end of the outer spring plate has an embedding portion embedded in the fitting strip, two ends of the embedding portion are respectively connected with a flexible strip embedded in the fitting strip, and the two flexible strips are respectively arranged to extend towards the inner end and the outer end of the fitting strip.
3. The anesthesia depth monitor of claim 2, wherein the flexible strip extends in a serpentine configuration.
4. The anesthesia depth monitor of claim 2, wherein an arc-shaped inner spring is arranged in the fitting strip, the end of the embedding part is connected with the middle part of the inner spring, and the two ends of the inner spring are arranged along the width of the fitting strip in an extending manner; when the middle part of the inner elastic sheet is raised upwards, the two ends of the inner elastic sheet are downwards abutted, and when the middle part of the inner elastic sheet is raised downwards, the two ends of the inner elastic sheet drive the joint strip to be raised upwards.
5. The anesthesia depth monitor of any of claims 1-4, wherein the docking pin is formed with an embedded ball at its distal end, said embedded ball being disposed within said electrode layer.
6. The anesthesia depth monitor of any one of claims 1 to 4, wherein the input head of the data line is formed with an insertion groove, the input head is butted on the outer end face of the intermediate portion when the data line is connected to the electrode pad, and the connector is inserted into the insertion groove of the input head; the input head is provided with a butt joint end face in butt joint with the outer end face of the middle part, the butt joint end face is provided with a plurality of magnetic attraction grooves, magnetic attraction blocks are filled in the magnetic attraction grooves, and the magnetic attraction blocks are arranged in parallel with the butt joint end face.
7. The monitor of claim 6, wherein the connector is in an elliptic cylinder shape, the embedding groove is in a cylindrical hole shape, and a clamping block is convexly arranged on the inner side wall of the embedding groove; a clamping groove is formed in the outer side wall of the connector along the long axis direction of the ellipse; after the connector is arranged in the embedding groove, the clamping block is clamped in the clamping groove by rotating the input head.
8. The monitor of claim 7, wherein the slot is along the circumferential direction of the connector, and the depth of the slot is gradually increased; the fixture block is provided with an outer end face facing the connector, and the outer end face of the fixture block is spherical.
9. The monitor of claim 7, wherein the slot is wound downward along the axial direction of the connector along the extending direction of the slot, and the top of the insertion groove is provided with an elastic layer which is pressed against the top of the connector.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910228510.7A CN109893127B (en) | 2019-03-25 | 2019-03-25 | Anesthesia depth monitor |
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| CN201910228510.7A CN109893127B (en) | 2019-03-25 | 2019-03-25 | Anesthesia depth monitor |
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| CN111542036B (en) * | 2020-04-30 | 2021-04-20 | 浙江大学 | Wireless transmission assembly for anesthesia monitor and transmission method thereof |
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