CN111744105A - Wearable electrode for phrenic nerve stimulation and method - Google Patents
Wearable electrode for phrenic nerve stimulation and method Download PDFInfo
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- CN111744105A CN111744105A CN202010618378.3A CN202010618378A CN111744105A CN 111744105 A CN111744105 A CN 111744105A CN 202010618378 A CN202010618378 A CN 202010618378A CN 111744105 A CN111744105 A CN 111744105A
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- 210000003105 phrenic nerve Anatomy 0.000 title claims abstract description 79
- 230000007383 nerve stimulation Effects 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000000638 stimulation Effects 0.000 claims abstract description 40
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- 235000014676 Phragmites communis Nutrition 0.000 claims description 11
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- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 2
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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
- A61N1/0404—Electrodes for external use
- A61N1/0408—Use-related aspects
- A61N1/0452—Specially adapted for transcutaneous muscle stimulation [TMS]
-
- 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
- A61N1/0404—Electrodes for external use
- A61N1/0408—Use-related aspects
- A61N1/0456—Specially adapted for transcutaneous electrical nerve stimulation [TENS]
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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
- A61N1/0404—Electrodes for external use
- A61N1/0472—Structure-related aspects
- A61N1/0492—Patch 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
- A61N1/36014—External stimulators, e.g. with patch electrodes
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- Animal Behavior & Ethology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
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- Biophysics (AREA)
- Heart & Thoracic Surgery (AREA)
- Electrotherapy Devices (AREA)
Abstract
A diaphragm nerve stimulation wearable electrode and a method thereof are provided, wherein the electrode comprises a beam component, a left adjusting component and a right adjusting component which are positioned at two ends of the beam component; the plurality of electrode assemblies are used for being connected to the left arm assembly, the right arm assembly and the beam assembly; the electrode patch is connected with the left arm component and the right arm component through the connecting piece; the connecting piece is used for changing the distance between the electrode patch and the left arm component and the right arm component, or the connecting piece is used for fixing the electrode patch and the left arm component and the right arm component; the beam assembly can enable the left arm assembly and the right arm assembly to be properly pressed; the left arm assembly and the right arm assembly can rotate relative to the left adjusting assembly and the right adjusting assembly; the invention has the advantages of short preparation time for phrenic nerve stimulation, low use cost, accurate positioning of the stimulation part, convenient carrying and the like.
Description
Technical Field
The invention relates to the technical field of phrenic nerves, in particular to a phrenic nerve stimulation wearable electrode and a method.
Background
The application of phrenic nerve electrical stimulation to the treatment of respiratory insufficiency, first appeared in the united states for over 70 years, in infants and children, and for over 50 years. At present, however, the phrenic nerve electrical stimulation is mainly used for treating the respiratory dysfunction in foreign countries, namely, the phrenic nerve electrical stimulation device which generates current is embedded in a human body, the current is transmitted to the phrenic nerve, and the contraction of the diaphragm muscle is stimulated, so that a patient can maintain the breathing of natural negative pressure. However, there are still many problems with electrical stimulation of the phrenic nerve in vivo, such as expensive implantation cost, iatrogenic mechanical injury to the phrenic nerve during implantation, delayed injury such as phrenic nerve fibrosis, infection, induced upper airway obstruction, scar compression, and technical failures such as damage to built-in batteries and electrodes, and even chronic obstructive disease with high morbidity and mortality rate; in the 80 s of the last century, a device for performing phrenic nerve electrical stimulation in vitro appears for the first time in China, and compared with the phrenic nerve electrical stimulation in vivo, the device has the characteristics of non-invasive operation, safety, simplicity, convenience, low price and the like, and particularly can be used for treating COPD lung rehabilitation.
As shown in fig. 21, in the conventional external phrenic nerve electrical stimulation, a body surface electrode is used as a placement point for stimulating the phrenic nerve to guide contraction of the diaphragm, the electrode is made of conductive silicon rubber, the electrode is required to be generated and connected through a plurality of leads, the electrode for completing the electrical stimulation of the phrenic nerve comprises a large electrode and a small electrode, the large electrode is used as an anode of an output current channel, the small electrode is used as a cathode of the output current channel, the large electrode is placed on the surface of the pectoralis major, the small electrode is placed at the lower third of the outer edge of the sternocleidomastoid muscle of the neck, 4 electrodes are needed because a human body moves symmetrically and cooperatively, and the electrodes are usually adhered to the skin of the human body by. In fact, prior to performing in vitro electrical stimulation of the phrenic nerve, the ligation performed is generally divided into the following two steps: 1. the four electrodes are connected with four output ports of the host machine through respective leads; 2. the four electrodes are respectively pasted on four corresponding parts of the human body by hydrogel or medical adhesive tapes. However, the current connections still do not fully satisfy certain specific populations and certain specific needs in hospital and home environments, and the following problems typically arise:
1. if the stimulator is used in a home environment, most people cannot have the same knowledge of the structure of muscle and anatomy of the human body as doctors, so that trouble is caused when the sticking position of the electrode plate is determined, and if the sticking position is incorrect, the stimulator cannot have a treatment effect and even injure patients;
2. the electrode plates need to be replaced irregularly, so that the treatment cost of patients is increased;
3. the connection is complicated, and the treatment preparation time is long;
based on the problems, the wearable phrenic nerve electrical stimulation device and the wearable phrenic nerve electrical stimulation method are provided, the electrode can be automatically and accurately connected with the part of the human body needing electrical stimulation only by clamping the device on the part of the human body which is easily identified by ordinary people, all electrode plates do not need to be replaced, and the wearable phrenic nerve electrical stimulation device can be started to operate and complete electrical stimulation only by connecting with a host through a lead or wireless communication.
Disclosure of Invention
The invention aims to provide a phrenic nerve stimulation wearable electrode which is short in preparation time, low in use cost, accurate in stimulation part positioning and convenient to carry.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention discloses a phrenic nerve stimulation wearable electrode in a first aspect, which comprises a beam assembly, a left adjusting assembly and a right adjusting assembly, wherein the left adjusting assembly and the right adjusting assembly are positioned at two ends of the beam assembly; the left arm component is used for being connected to one end of the left adjusting component; the right arm component is used for being connected to one end of the right adjusting component; the plurality of electrode assemblies are used for being connected to the left arm assembly, the right arm assembly and the beam assembly; the electrode patch is connected with the left arm component and the right arm component through the connecting piece; when the electrode patch is used, the connecting piece is used for changing the distance between the electrode patch and the left arm component and the right arm component, or after the distance is adjusted, the connecting piece is used for fixing the electrode patch with the left arm component and the right arm component; the beam assembly can enable the left arm assembly and the right arm assembly to be in an unfolded state when worn; after the wearing is finished, the beam assembly can enable the left arm assembly and the right arm assembly to be moderately pressed; the left arm assembly and the right arm assembly can rotate relative to the left adjusting assembly and the right adjusting assembly, and after the left arm assembly and the right arm assembly are driven by the beam assembly to be properly pressed, the left arm assembly and the right arm assembly are automatically adjusted to the position with the largest contact area with a human body to perform electric stimulation.
Further, the left arm assembly and the right arm assembly respectively comprise an upper cover body and a lower cover body; the upper cover body is fixedly provided with a blank holder, the lower cover body is provided with a peripheral groove, and the upper cover body is embedded in the peripheral groove of the lower cover body through the blank holder in an interference manner to form a closed space.
Furthermore, a circuit board assembly is arranged in the closed space, and a power supply input interface connected with a stimulation instrument host is arranged on the circuit board assembly; and the electrode assemblies and the electrode patches are electrically connected with the circuit board assembly.
Further, a tubular body is fixedly arranged on the lower cover body, an inner cover body is covered on the tubular body, and the tubular body and the inner cover body are combined to form a cavity; wherein a connector for connecting the electrode patch with the left and right arm assemblies is disposed within the cavity.
Further, the connecting piece comprises a reel, a conductive reed connected to the reel, an electrode plug and a wire wound and connected to the reel; one end of the wire is connected with a conductive reed on the reel, the other end of the wire is connected with an electrode plug 14, and the electrode plug is spliced with the electrode patch; the reel is rotationally connected to the inner cover body; the inner cover body is connected with a conductive disc, one surface of the conductive disc is provided with a conductive coating and is in contact with the compressed conductive reed, and the other surface of the conductive disc is fixedly connected with the inner cover body; the inner cover body is provided with a square hole for leading out a current output line to be connected with the circuit board assembly; the connecting piece also comprises a limiting component used for limiting the rotation of the reel; when the electric wire is pulled, the limiting component does not limit the reel, and when the electric wire is pulled to a specified position, the limiting component is used for fixing the reel; the connector further comprises a coil spring for restoring the reel when the limiting component is not fixed.
Further, the limiting component comprises a plurality of ratchet teeth connected to the reel, and the plurality of ratchet teeth are uniformly distributed around the center of the reel; the upper cover body is connected with a rotating shaft, the rotating shaft is rotatably connected with a pawl, when no external acting force exists, the pawl is pressed on the end face of the reel by means of elasticity of the pawl, and meanwhile, the side face of the pawl is attached to the ratchet on the reel 28, so that the reel can only rotate along one direction.
Further, a cylinder is fixedly connected to the inner cover body, and the reel is rotatably mounted on the cylinder.
Further, the conductive coating is silver-plated.
Further, the left arm component further comprises a small rotating shaft and an elastic clamping ring, round holes are formed in the left adjusting component and the right adjusting component, and the small rotating shaft penetrates through the round holes to be achieved through the elastic clamping ring and then rotates with the left adjusting component and the right adjusting component.
Furthermore, the end face of the upper cover body is fixedly connected with a protrusion, and arc-shaped grooves are formed in the left adjusting assembly and the right adjusting assembly.
Further, the upper cover body is made of rubber or EVA soft material, and the lower cover body 12 is made of ABS or PC hard material.
Further, the beam assembly comprises a beam lower cover, a left beam, a right beam, a small shaft and a torsion spring; the left side crossbeam with on the right side crossbeam respectively fixedly connected with left spring fixing base and right spring fixing base, the staff passes the mounting hole on left side crossbeam and the right crossbeam respectively, concatenates left side crossbeam and right crossbeam together to can make left side crossbeam and right crossbeam around staff looks mutual rotation, the torsional spring cup joints on the staff, its both ends head is fixed on left crossbeam and right crossbeam through left spring fixing base and right spring fixing base respectively.
Further, the left adjusting component and the right adjusting component can extend and adjust the arc length of the whole device at two ends of the cross beam component.
Further, the left adjusting assembly and the right adjusting assembly respectively comprise an upper adjusting cover, a lower adjusting cover, an upper adjusting cover 37 and a lower adjusting cover 38 which are combined to form a closed space; the left cross beam and the right cross beam can contract or extend in the closed space.
Furthermore, the end parts of the left cross beam and the right cross beam are connected with semicircular ends, the inner wall of the adjusting lower cover is provided with semicircular grooves corresponding to the semicircular ends, and the positions close to the semicircular ends are provided with grooves.
Further, the device also comprises a coupler and a screw; the left arm assembly, the right arm assembly and the beam assembly are connected with the electrode assembly through couplers and screws.
The electrode plate is embedded on the outer surface of the electrode seat lower cover; fixedly connected with jack is covered on the electrode holder, fixedly connected with inserted bar is covered under the electrode holder, the inserted bar inserts realize the equipment location in the jack, cover fixedly connected with cylinder boss under the electrode holder, be equipped with in it with the screw thread that the screw cooperation was used.
Furthermore, the electrode plates are made of stainless steel.
The second aspect of the invention discloses a phrenic nerve stimulation method, which comprises the following steps: firstly, stretching the left adjusting component and the right adjusting component to proper positions, and then clamping the left adjusting component and the right adjusting component to the junction of the neck and the trunk from the back; the electrode assembly connected to the beam assembly and the two electrode assemblies on the left arm assembly and the right arm assembly are positioned at three points, the two electrode assemblies connected with the left arm assembly and the right arm assembly are automatically attached to the outer edge 1/3 of the sternocleidomastoid muscle, a left beam and a right beam in the beam assembly rotate relatively, and the elastic force of the torsion spring is combined to compress the two parts for electrical stimulation treatment; the electrode plug exposed outside is pulled to a proper position, the manual pawl is clamped on the ratchets on the winding wheel to prevent the winding wheel from rotating, the electrode plug stops at the position, then the electrode plug is inserted into the electrode patch, the protective film of the electrode patch is torn off, the surface of the protective film is attached to the skin of a human body, and the preparation work of the phrenic nerve electrical stimulation is completed; when the phrenic nerve electrical stimulation is finished, tearing the electrode patch off from the skin of the human body, and pulling the electrode patch off from the electrode plug; the manual pawls 17 on the left and right arm assemblies are depressed, and under the internal coil spring winding tension, the reel rotates with the wire, and the electrode plug is retracted into the housing.
Compared with the prior art, the invention provides the phrenic nerve stimulation wearable electrode and the method, and the wearable electrode has the following beneficial effects:
the electrode plug is telescopic, can be pulled out by hand when in use and is stopped at any position, and the electrode plug can be electrically stimulated after being spliced with the electrode patch. After the electrode patch is used, the electrode plug can be retracted into the shell by pressing the button after being pulled out of the electrode patch, and meanwhile, the left arm assembly and the right arm assembly can rotate around respective rotating shafts so as to be automatically adjusted to the position with the largest contact area with a human body for electrical stimulation.
The cross beam assembly can be used as a supporting base of one electrode assembly in a plurality of electrode assemblies, and meanwhile, the cross beam assembly can realize proper compression on an electrical stimulation position through two relatively rotating parts in combination with the torsion of a torsion spring, so that the electrode assemblies are ensured to be in good contact with the skin.
The left arm subassembly can realize mutual rotation through little pivot with left adjusting part, because the terminal surface that goes up the lid and be connected with left adjusting part has the arch, and the terminal surface that left adjusting part and last lid are connected has the arc wall that holds arch and its movement track simultaneously, therefore left arm subassembly and left adjusting part and right adjusting part only allow at the angle within range internal rotation of expectation, and the user can carry out the automatic fine setting laminating location after dressing.
Because the root of the semicircular end is provided with the groove, when the semicircular end is extruded, the required elastic force can be generated, and the size of the elastic force depends on the size of the groove; therefore, under the combined action of the pulling force of the hand and the reaction force of the lower adjusting cover 38, the semicircular ends of the left cross beam can respectively lie in the plurality of semicircular grooves of the lower adjusting cover, and the semicircular ends lie in the third semicircular groove, so that the overall arc length is lengthened, and the adjusting effect is realized.
In summary, the invention provides a phrenic nerve stimulation wearable electrode and a method thereof, wherein the electrode comprises a beam assembly, a left adjusting assembly and a right adjusting assembly, wherein the left adjusting assembly and the right adjusting assembly are positioned at two ends of the beam assembly; the plurality of electrode assemblies are used for being connected to the left arm assembly, the right arm assembly and the beam assembly; the electrode patch is connected with the left arm component and the right arm component through the connecting piece; the connecting piece is used for changing the distance between the electrode patch and the left arm component and the right arm component, or the connecting piece is used for fixing the electrode patch and the left arm component and the right arm component; the beam assembly can enable the left arm assembly and the right arm assembly to be properly pressed; the left arm assembly and the right arm assembly can rotate relative to the left adjusting assembly and the right adjusting assembly; the invention has the advantages of short preparation time for phrenic nerve stimulation, low use cost, accurate positioning of the stimulation part, convenient carrying and the like.
Compared with the prior art, the invention has the following advantages:
the invention solves some problems existing in vitro diaphragm muscle at present, and has the advantages of short preparation time for phrenic nerve stimulation, low use cost, accurate positioning of stimulation part, convenient carrying and the like.
Drawings
Fig. 1 is a schematic overall structure diagram of a phrenic nerve stimulation wearable electrode of the present invention;
FIG. 2 is a first structural schematic diagram of a left arm assembly and a right arm assembly of a phrenic nerve stimulation wearable electrode of the present invention;
FIG. 3 is a second schematic structural view of a left arm assembly and a right arm assembly of a phrenic nerve stimulation wearable electrode of the present invention;
fig. 4 is a schematic structural diagram of a lower cover of a phrenic nerve stimulation wearable electrode of the present invention;
fig. 5 is a schematic structural diagram of an upper cover of a phrenic nerve stimulation wearable electrode according to the present invention;
FIG. 6 is a first schematic structural diagram of the inside of a left arm assembly and a right arm assembly of a phrenic nerve stimulation wearable electrode of the invention;
FIG. 7 is a second schematic structural diagram of the inside of the left arm assembly and the right arm assembly of the phrenic nerve stimulation wearable electrode of the present invention;
FIG. 8 is a schematic view of a phrenic nerve stimulation wearable electrode reel configuration of the present invention;
fig. 9 is a schematic structural diagram of a phrenic nerve stimulation wearable electrode conductive disc of the present invention;
fig. 10 is a schematic structural view of a spacing mechanism on a phrenic nerve stimulation wearable electrode lead wheel of the present invention;
FIG. 11 is a schematic structural diagram III of the interior of a left arm assembly and a right arm assembly of a phrenic nerve stimulation wearable electrode of the present invention;
FIG. 12 is a schematic view of a connection structure of a left and right arm assembly and a left and right adjustment assembly of a phrenic nerve stimulation wearable electrode of the present invention;
FIG. 13 is a schematic structural diagram of a left adjustment assembly and a right adjustment assembly of a phrenic nerve stimulation wearable electrode of the present invention;
fig. 14 is a first schematic view of a connection structure of a left and right adjustment assembly and a beam assembly of a phrenic nerve stimulation wearable electrode of the present invention;
FIG. 15 is a schematic view of a second connection structure of a left and right adjustment assembly and a beam assembly of the phrenic nerve stimulation wearable electrode of the present invention;
FIG. 16 is a first schematic structural view of a phrenic nerve stimulation wearable electrode beam assembly of the present invention;
FIG. 17 is a second schematic structural view of a phrenic nerve stimulation wearable electrode beam assembly of the present invention;
FIG. 18 is a schematic view of a connection structure of a phrenic nerve stimulation wearable electrode coupler and a beam assembly according to the present invention;
FIG. 19 is a schematic structural view of a phrenic nerve stimulation wearable electrode assembly of the present invention;
FIG. 20 is a schematic structural diagram of a method of using a phrenic nerve stimulation wearable electrode of the present invention;
figure 21 is a diagram of a prior art phrenic nerve stimulation apparatus.
In the figure: 1. a left arm assembly; 2. a left adjustment assembly; 3. a beam assembly; 4. an electrode assembly; 5. a right adjustment assembly; 6. a right arm assembly; 8. electrode pasting; 9. a small rotating shaft; 10. a protrusion; 11. a coupling; 12. a lower cover body; 13. an electric wire; 14. an electrode plug; 16. an upper cover body; 17. a pawl; 18. pressing edges; 19. a peripheral groove; 20. an inner cover body; 22. a circuit board assembly; 23. a power input interface; 24. a tubular body; 25. a square hole; 26. a cylinder; 28. a reel; 30. a reel space; 31. a conductive reed; 33. a conductive plate; 34. a ratchet; 35. a rotating shaft; 36. an elastic collar; 37. adjusting the upper cover; 38. adjusting the lower cover; 39. a circular hole; 40. an arc-shaped slot; 42. a semicircular groove; 43. a left cross beam; 44. a groove; 45. a semicircular end; 46. a beam lower cover; 47. a small shaft; 48. a right cross member; 49. a left spring fixing seat; 50. a torsion spring; 51. a right spring fixing seat; 53. a screw; 54. a cylindrical boss; 56. an electrode sheet; 57. an electrode base lower cover; 58. an electrode seat upper cover; 59. a jack; 60. inserting a rod; 61. and (4) threading.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1, the device comprises a left arm assembly 1, a left adjusting assembly 2, a beam assembly 3, a right adjusting assembly 5, a plurality of electrode assemblies 4 and a right arm assembly 6;
wherein left arm subassembly 1 and right arm subassembly 6 not only can regard as the support base of two in three electrode subassembly 4, still includes the connecting piece simultaneously, and it contains to draw forth the electrode plug 14 that is used for stimulating two pectoralis major muscles, and electrode plug 14 adopts telescopically, can pull out with the hand during the use, stops in optional position, and electrode plug 14 and electrode paster 8 grafting back can carry out the electro photoluminescence. After the electrode plug 14 is pulled out from the electrode patch 8 after use, the electrode plug 14 can be retracted into the casing by pressing the button, and meanwhile, the left arm assembly 1 and the right arm assembly 6 can rotate around respective rotating shafts so as to be automatically adjusted to the position with the largest contact area with the human body for electrical stimulation.
The left adjusting component 2 and the right adjusting component 5 can adjust the arc length of the whole device in a stepped manner, and the total number of the gears is 7, so that the treatment requirements of different body types of patients can be met;
the beam assembly 3 can be used as a support base for one electrode assembly 4 of the electrode assemblies 4, and meanwhile, the beam assembly can combine the torsion force of a torsion spring through two relatively rotating components to realize proper compression on an electric stimulation position, so that the electrode assembly 4 is ensured to be in good contact with the skin.
The electrode assemblies 4 connected with the beam assembly 3 do not receive stimulating current from a respiratory neuromuscular stimulator host (not shown) and only play a role in positioning, and in addition, the two electrode assemblies 4 respectively connected with the left arm assembly 1 and the right arm assembly 6 receive current from the respiratory neuromuscular stimulator host (not shown) and are attached to the outer edge 1/3 of the sternocleidomastoid of a patient to complete electric stimulation, and in order to have better contact with the skin of the patient, the electrode assemblies 4 are connected with the supporting and connecting parts thereof by adopting soft materials, so that micro adjustment can be carried out.
As shown in fig. 2, further, the left arm assembly 1 includes an upper cover 16, a lower cover 12, the upper cover 16 is made of soft material such as rubber, EVA, etc., the lower cover 12 is made of hard material such as ABS or PC, etc., the upper cover 16 is embedded in a peripheral groove 19 (as shown in fig. 5) of the lower cover 12 by an interference fit through a pressing edge 18 (as shown in fig. 4), so as to form a closed space;
inside this space, as shown in fig. 6, a circuit board assembly 22 is mounted (on the power supply part), and the circuit board assembly 22 has a power input interface 23 connected to the main body of the stimulator apparatus, which mainly functions to distribute the stimulation current from the main body to the two electrode assemblies 4 connected to the left arm assembly 1 and the right arm assembly 6 through the lead wires for electrical stimulation. In the cavity formed by the upper cover body 16 and the lower cover body 12, a tubular body 24 fixedly connected by the lower cover body 12 is further included, and is combined with the inner cover body 20 to form another cavity, and the internal components of the tubular body are used for completing the functions of extension, optional positioning and locking of the electrode plug 14;
as shown in fig. 7-8, the inner space formed by the tubular body 24 and the inner cover body 20 is a reel 28, the reel 28 is provided with a conductive reed 31, the electric wire 13 is wound on the reel 28 in the circumferential direction, one end of the electric wire 13 is connected with the conductive reed 31 (not shown) on the reel 28, and the other end is connected with the electrode plug 14; the inner cover body 20 is embedded with a conductive disc 33, as shown in fig. ten, one surface of which is a silver-plated conductive coating and is in contact with the compressed conductive reed 31, and the other surface of which is bonded with the inner cover body 20, and one area of the surface is exposed to the square hole 25 on the inner cover body 20 and is used for leading out a current output line and finally connected with the circuit board assembly 22.
Referring to fig. 7, the reel 28 is mounted on the cylindrical body 26 of the inner cover 20 and is rotatable around the same, and after the reel 28 is mounted on the cylindrical body 26, the conductive spring 31 is compressed and brought into close contact with the silver coating of the conductive plate 33, thereby performing an electrical conduction function.
As shown in fig. 8 and 10, the reel 28 is provided with a conductive reed 31 on one surface and a plurality of ratchet teeth 34 on the other surface, and has a ratchet function, wherein the ratchet teeth 34 are evenly distributed around the center of the reel 28, the more the number of the ratchet teeth 34 is, the more accurate the locking position of the drawn-out electrode plug 14 is, the ratchet teeth 34 are matched with the manual pawl 17, the pawl 17 can rotate around a rotating shaft 35 on the upper cover body 16, when no external force is applied, the pawl 17 presses the end surface of the reel 28 by means of the elasticity of the pawl 17, and the side surface is jointed with the ratchet teeth 34 on the reel 28, so that the reel 28 can only rotate in one direction, and when a part of the manual pawl 17 exposed outside the upper cover body 16 is pressed by hand (as shown in fig. 3 and 7), the reel 28 is separated from the binding of the pawl; the rotational power of the reel 28 is derived from a coil spring (not shown) installed in the reel space 30, and functions to generate a winding force on the reel 28; when the electrode plug 14 is pulled by a human hand, the force of the human hand overcomes the winding force of the coil spring, the end is fixed on the reel 28, and the electric wire 13 wound on the reel 28 is pulled out, at the moment, the manual pawl 17 slides on the rotating reel 28, and the rotation of the reel 28 is not influenced; when the electrode plug 14 is pulled to a desired electrical stimulation position by a human hand, at the same time, after the human hand is released, the pulled electric wire 13 may retract due to the coil spring rolling force, but due to the existence of the manual pawl 17, the front end of the manual pawl 17 is clamped on one ratchet 34 on the reel 28, so that the reel 28 cannot rotate, and the pulled electric wire 13 cannot retract, when the electrical stimulation is completed, the electrode plug 14 is pulled out from the electrode patch 8, the manual pawl 17 is pressed by a hand, at the moment, the reel 28 loses the constraint of the manual pawl 17, and starts to rotate under the coil spring rolling force, so that the pulled electric wire 13 retracts.
As shown in fig. 12-13, the left arm assembly 1 further includes a small pivot shaft 9 that passes through circular holes 39 in the left adjustment assembly 2 and the right adjustment assembly 5 and is connected to the left adjustment assembly 2 by a resilient collar 36. The left arm component 1 can rotate with the left adjusting component 2 through the small rotating shaft 9, and since the end face of the upper cover 16 connected with the left adjusting component 2 is provided with the protrusion 10 (as shown in fig. 2 and 3), and the end face of the left adjusting component 2 connected with the upper cover 16 is provided with the arc-shaped groove 40 (as shown in fig. 13) for accommodating the protrusion 10 and the motion trail thereof, the left arm component 1, the left adjusting component 2 and the right adjusting component 5 are only allowed to rotate within a desired angle range.
As shown in fig. 5, the lower cover 12 of the left arm component 1 is also connected with one electrode component 4 of a plurality of electrode components 4 through a coupling 11 (as shown in fig. 2) and a screw 53, and the electrode component 4 introduces stimulating current from the outside and is attached to the outer edge 1/3 of the sternocleidomastoid muscle (as shown in fig. 20), so as to stimulate the phrenic nerve.
In the set, not only the left arm assembly 1 but also the right arm assembly 6 is included, the right arm assembly 6 does not include a power input interface 23 connected with a host, a circuit board assembly 22, the current input of the right arm assembly 6 is realized by connecting the electric wire 13 hidden in the device with the circuit board assembly 22 in the left arm assembly 1, and other components are symmetrical to the left arm assembly 1 in structure and have the same function, so for convenience of description, only the left arm assembly 1 is described in detail.
Similarly, in the set of devices, the adjusting assemblies are divided into a left adjusting assembly 2 and a right adjusting assembly 5, and here, for convenience of description, only the left adjusting assembly 2 will be described in detail.
As shown in fig. 13 to 15, the left adjusting assembly 2 includes an upper adjusting cover 37, a lower adjusting cover 38, and the upper adjusting cover 37 and the lower adjusting cover 38 are combined to form a closed space, and the desired length adjusting function cannot be achieved only by the upper adjusting cover 37 and the lower adjusting cover 38, and a step adjusting function needs to be jointly achieved by the left end of the left cross member 43 inserted into the closed space. (see fig. 14) the left adjusting assembly 2 has the shortest length, at this time, the semicircular end 45 of the left cross beam 43 lies in the semicircular groove 42 at the leftmost end on the adjusting lower cover 38, when the left cross beam 43 is pulled out to the right by hand, because the groove 44 is formed at the root of the semicircular end 45, when the semicircular end 45 is squeezed, the required elastic force can be generated, and the size of the elastic force depends on the size of the groove 44; therefore, under the combined action of the pulling force of the hand and the reaction force of the lower adjusting cover 38, the semicircular end 45 of the left cross beam 43 can respectively lie in the 7 semicircular grooves 42 of the lower adjusting cover 38 (as shown in fig. 15), and the semicircular end 45 lies in the third semicircular groove 42, so that the overall arc length is lengthened, and the adjustment effect is realized.
As shown in fig. 16, the beam assembly 3 includes a left beam 43, a small shaft 47, a right beam 48, and a beam lower cover 46 on which the coupling 11 is provided.
As shown in fig. 17, the cross member assembly 3 further includes a torsion spring 50, a left spring fixing seat 49 on the left cross member 43, and a right spring fixing seat 51 on the right cross member 48; the cross member lower cover 46 forms an inner space of the cross member assembly 3 with the left cross member 43, the right cross member 48, inside the space, the small shafts 47 pass through the mounting holes on the left and right cross members 43 and 48, respectively, to connect the left and right cross members 43 and 48 in series, and the left and right cross members 43 and 48 can be rotated with each other about the small shaft 47, the torsion spring 50 is also penetrated by the small shaft 47, the two ends of the left spring fixing seat 49 and the right spring fixing seat 51 are respectively fixed on the left cross beam 43 and the right cross beam 48 through the left spring fixing seat and the right spring fixing seat (as shown in figure 17), when the wearable device is worn at the position of the phrenic nerve of the neck of the human body, the left cross beam 43 and the right cross beam 48 do relative rotation movement (shown by a dotted line in figure 17), thereby stretching both ends of the torsion spring 50, causing the left beam 43 and the right beam 48 to generate the pressure required for the patient to be attached to the part, thereby causing the electrode to have better contact with the part and good electric conduction.
The beam lower cover 46 is also connected with one electrode assembly 4 of the three electrode assemblies 4 through the own coupler 11 and the screw 53, but the electrode assembly 4 does not introduce stimulating current from the outside, but mainly contacts with the back of the neck of the human body, and realizes the positioning and fixing functions.
As shown in fig. 18, the electrode assembly 4 comprises an upper electrode holder cover 58, a lower electrode holder cover 57, and a stainless steel electrode plate 56, wherein the stainless steel electrode plate 56 is embedded on the outer surface of the lower electrode holder cover 57 to meet the requirement of biocompatibility; the electrode base lower cover 57 embedded with the stainless steel electrode plate 56 and the electrode base upper cover 58 are positioned and assembled together by adopting 4 insertion rods 60 and 4 insertion holes 59, the electrode base lower cover 57 is provided with a cylindrical boss 54 with threads 61, and the cylindrical boss is connected with soft components, such as the left arm lower cover and the right arm lower cover of the left arm component 1 or the right arm component 6 and the beam lower cover 46 of the beam component 3, through the coupler 11 and the screws 53.
A phrenic nerve stimulation method comprises the steps of firstly stretching a left adjusting component 2 and a right adjusting component 5 to proper positions, then clamping the left adjusting component 2 and the right adjusting component 5 to a junction of a neck and a trunk from the back, carrying out three-point positioning on an electrode assembly 4 connected on a beam component 3 and two electrode assemblies 4 on a left arm component 1 and a right arm component 6, automatically attaching the two electrode assemblies 4 connected with the left arm component 1 and the right arm component 6 to a position at the outer edge 1/3 of a sternocleidomastoid muscle, relatively rotating a left beam 43 and a right beam 48 in the beam component 3, carrying out required compression on two parts for electric stimulation treatment by combining the elastic force of a torsion spring 50, then pulling an electrode plug 14 exposed outside to proper positions, blocking a reel 28 from rotating due to the fact that a manual pawl 17 is clamped on a ratchet 34 on the reel 28, stopping the electrode plug 14 at the positions, then inserting the electrode plug 14 into an electrode, the protective film of the electrode patch 8 is torn off, and the surface of the protective film is attached to the skin of a human body, so that the preparation work of the phrenic nerve electrical stimulation is completed. When the electrical stimulation of the phrenic nerve is finished, the electrode patch 8 is torn off from the skin of the human body and is pulled out from the electrode plug 14; by pressing the manual pawl 17 on the left arm assembly 1 or the right arm assembly 6, the reel 28 is released from the pawl 17, and under the pulling force of the internal coil spring, the reel 28 rotates with the electric wire 13, and the electrode plug 14 is retracted into the housing.
In summary, the wearable electrode for phrenic nerve stimulation and the method thereof are provided, wherein the electrode comprises a beam assembly, and a left adjusting assembly and a right adjusting assembly which are positioned at two ends of the beam assembly; the plurality of electrode assemblies are used for being connected to the left arm assembly, the right arm assembly and the beam assembly; the electrode patch is connected with the left arm component and the right arm component through the connecting piece; the connecting piece is used for changing the distance between the electrode patch and the left arm component and the right arm component, or the connecting piece is used for fixing the electrode patch and the left arm component and the right arm component; the beam assembly can enable the left arm assembly and the right arm assembly to be properly pressed; the left arm assembly and the right arm assembly can rotate relative to the left adjusting assembly and the right adjusting assembly; the invention has the advantages of short preparation time for phrenic nerve stimulation, low use cost, accurate positioning of the stimulation part, convenient carrying and the like.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (19)
1. A wearable electrode for phrenic nerve stimulation is characterized by comprising
The device comprises a beam assembly, a left adjusting assembly and a right adjusting assembly, wherein the left adjusting assembly and the right adjusting assembly are positioned at two ends of the beam assembly;
the left arm component is used for being connected to one end of the left adjusting component;
the right arm component is used for being connected to one end of the right adjusting component;
the plurality of electrode assemblies are used for being connected to the left arm assembly, the right arm assembly and the beam assembly;
the electrode patch is connected with the left arm component and the right arm component through the connecting piece;
when the electrode patch is used, the connecting piece is used for changing the distance between the electrode patch and the left arm component and the right arm component, or after the distance is adjusted, the connecting piece is used for fixing the electrode patch with the left arm component and the right arm component;
when worn, the beam assembly can enable the left arm assembly and the right arm assembly to be in an unfolded state;
after the wearing is finished, the beam assembly can enable the left arm assembly and the right arm assembly to be moderately pressed;
the left arm assembly and the right arm assembly can rotate relative to the left adjusting assembly and the right adjusting assembly, and after the left arm assembly and the right arm assembly are driven by the beam assembly to be properly pressed, the left arm assembly and the right arm assembly are automatically adjusted to the position with the largest contact area with a human body to perform electric stimulation.
2. The phrenic nerve stimulation wearable electrode of claim 1, wherein the left and right arm assemblies each comprise an upper cover, a lower cover;
the upper cover body is fixedly provided with a blank holder, the lower cover body is provided with a peripheral groove, and the upper cover body is embedded in the peripheral groove of the lower cover body through the blank holder in an interference manner to form a closed space.
3. The phrenic nerve stimulation wearable electrode of claim 2, wherein a circuit board assembly is mounted inside the closed space, and a power input interface connected with a stimulator host is arranged on the circuit board assembly;
and the electrode assemblies and the electrode patches are electrically connected with the circuit board assembly.
4. The phrenic nerve stimulation wearable electrode of claim 3, wherein a tubular body is fixedly arranged on the lower cover body, an inner cover body is combined on the upper cover of the tubular body, and the tubular body and the inner cover body are combined to form a cavity;
wherein a connector for connecting the electrode patch with the left and right arm assemblies is disposed within the cavity.
5. The wearable electrode for phrenic nerve stimulation according to claim 4, wherein the connector comprises a reel, a conductive reed connected to the reel, an electrode plug, and a wire wound on the reel;
one end of the wire is connected with a conductive reed on the reel, the other end of the wire is connected with an electrode plug, and the electrode plug is spliced with the electrode patch; the reel is rotationally connected to the inner cover body;
the inner cover body is connected with a conductive disc, one surface of the conductive disc is provided with a conductive coating and is in contact with the compressed conductive reed, and the other surface of the conductive disc is fixedly connected with the inner cover body; the inner cover body is provided with a square hole for leading out a current output line to be connected with the circuit board assembly;
the connecting piece also comprises a limiting component used for limiting the rotation of the reel;
when the electric wire is pulled, the limiting component does not limit the reel, and when the electric wire is pulled to a specified position, the limiting component is used for fixing the reel; the connector further comprises a coil spring for restoring the reel when the limiting component is not fixed.
6. The phrenic nerve stimulation wearable electrode of claim 5, wherein the limiting component comprises a plurality of ratchet teeth connected to the reel, the plurality of ratchet teeth being evenly distributed around the center of the reel;
the upper cover body is connected with a rotating shaft, the rotating shaft is connected with a pawl in a rotating mode, when no external acting force exists, the pawl is pressed on the end face of the reel by means of elasticity of the pawl, meanwhile, the side face of the pawl is attached to the ratchet on the reel, and the reel can only rotate along one direction.
7. The wearable electrode for phrenic nerve stimulation according to claim 5, wherein a cylinder is fixedly connected to the inner cover body, and the reel is rotatably mounted on the cylinder.
8. The phrenic nerve stimulation wearable electrode of claim 5, wherein the conductive coating is silver plated.
9. The phrenic nerve stimulation wearable electrode of any one of claims 2-8, wherein the left arm assembly further comprises a small rotating shaft and an elastic collar, wherein the left adjustment assembly and the right adjustment assembly are both provided with a round hole, and the small rotating shaft passes through the round hole and rotates with the left adjustment assembly and the right adjustment assembly through the elastic collar.
10. The phrenic nerve stimulation wearable electrode of claim 9, wherein a protrusion is fixedly connected to the end surface of the upper cover body, and arc-shaped grooves are formed in the left adjusting assembly and the right adjusting assembly.
11. The phrenic nerve stimulation wearable electrode of any one of claims 2 to 8, wherein the upper cover body is made of rubber or EVA soft material, and the lower cover body is made of ABS or PC hard material.
12. The phrenic nerve stimulation wearable electrode of claim 1, wherein the beam assembly comprises a beam lower cover, a left beam, a right beam, a small shaft, a torsion spring;
the left side crossbeam with on the right side crossbeam respectively fixedly connected with left spring fixing base and right spring fixing base, the staff passes the mounting hole on left side crossbeam and the right crossbeam respectively, concatenates left side crossbeam and right crossbeam together to can make left side crossbeam and right crossbeam around staff looks mutual rotation, the torsional spring cup joints on the staff, its both ends head is fixed on left crossbeam and right crossbeam through left spring fixing base and right spring fixing base respectively.
13. The phrenic nerve stimulation wearable electrode of claim 12, wherein the left and right adjustment assemblies are extendable at both ends of the beam assembly to adjust the arc length of the entire device.
14. The phrenic nerve stimulation wearable electrode of claim 13, wherein the left and right adjustment assemblies each comprise an upper adjustment cover, a lower adjustment cover, and the upper and lower adjustment covers combine to form a closed space;
the left cross beam and the right cross beam can contract or extend in the closed space.
15. The wearable electrode for phrenic nerve stimulation according to claim 14, wherein the ends of the left cross beam and the right cross beam are connected with semicircular ends, the inner wall of the adjusting lower cover is provided with semicircular grooves corresponding to the semicircular ends, and the positions close to the semicircular ends are provided with grooves.
16. The phrenic nerve stimulation wearable electrode of claim 1, further comprising a coupling and a screw;
the left arm assembly, the right arm assembly and the beam assembly are connected with the electrode assembly through couplers and screws.
17. The phrenic nerve stimulation wearable electrode according to claim 16, comprising an electrode holder upper cover, an electrode holder lower cover and an electrode sheet, wherein the electrode sheet is embedded on the outer surface of the electrode holder lower cover;
fixedly connected with jack is covered on the electrode holder, fixedly connected with inserted bar is covered under the electrode holder, the inserted bar inserts realize the equipment location in the jack, cover fixedly connected with cylinder boss under the electrode holder, be equipped with in it with the screw thread that the screw cooperation was used.
18. The phrenic nerve stimulation wearable electrode of claim 17, wherein the electrode sheet is made of stainless steel.
19. A phrenic nerve stimulation method is characterized by comprising the following steps:
the method comprises the following steps: firstly, stretching the left adjusting component and the right adjusting component to proper positions, and then clamping the left adjusting component and the right adjusting component to the junction of the neck and the trunk from the back;
step two: the electrode assembly connected to the beam assembly and the two electrode assemblies on the left arm assembly and the right arm assembly are positioned at three points, the two electrode assemblies connected with the left arm assembly and the right arm assembly are automatically attached to the outer edge 1/3 of the sternocleidomastoid muscle, a left beam and a right beam in the beam assembly rotate relatively, and the elastic force of the torsion spring is combined to compress the two parts for electrical stimulation treatment;
step three: the electrode plug exposed outside is pulled to a proper position, the manual pawl is clamped on the ratchets on the winding wheel to prevent the winding wheel from rotating, the electrode plug stops at the position, then the electrode plug is inserted into the electrode patch, the protective film of the electrode patch is torn off, the surface of the protective film is attached to the skin of a human body, and the preparation work of the phrenic nerve electrical stimulation is completed;
step four: when the phrenic nerve electrical stimulation is finished, tearing the electrode patch off from the skin of the human body, and pulling the electrode patch off from the electrode plug; and manual pawls on the left arm assembly and the right arm assembly are pressed, the reel drives the wire to rotate under the action of the tension of the internal coil spring, and the electrode plug is retracted into the shell.
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| CN202010618378.3A CN111744105B (en) | 2020-06-30 | 2020-06-30 | Wearable electrode and method for phrenic nerve stimulation |
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| CN202010618378.3A CN111744105B (en) | 2020-06-30 | 2020-06-30 | Wearable electrode and method for phrenic nerve stimulation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113082510A (en) * | 2021-03-31 | 2021-07-09 | 北京理工大学 | Position and direction adjustable and anti parasitic capacitance's electric stimulating electrode |
| CN113713250A (en) * | 2021-07-28 | 2021-11-30 | 西安交通大学 | Stimulation device for human body multi-part feedback and intervention |
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| CN109805911A (en) * | 2014-01-21 | 2019-05-28 | 隆佩瑟尔医疗公司 | For optimizing the system and correlation technique of multi-electrode nerve pace-making |
| CN110327546A (en) * | 2019-07-09 | 2019-10-15 | 北京雅果科技有限公司 | Wearable respiratory muscle electric stimulating apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109805911A (en) * | 2014-01-21 | 2019-05-28 | 隆佩瑟尔医疗公司 | For optimizing the system and correlation technique of multi-electrode nerve pace-making |
| CN110327546A (en) * | 2019-07-09 | 2019-10-15 | 北京雅果科技有限公司 | Wearable respiratory muscle electric stimulating apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113082510A (en) * | 2021-03-31 | 2021-07-09 | 北京理工大学 | Position and direction adjustable and anti parasitic capacitance's electric stimulating electrode |
| CN113082510B (en) * | 2021-03-31 | 2023-10-20 | 北京理工大学 | Position and direction adjustable and anti parasitic capacitance's electric stimulation electrode |
| CN113713250A (en) * | 2021-07-28 | 2021-11-30 | 西安交通大学 | Stimulation device for human body multi-part feedback and intervention |
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