CN214485297U - Electrical stimulation current double-needle measuring probe with depth reading function - Google Patents
Electrical stimulation current double-needle measuring probe with depth reading function Download PDFInfo
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- CN214485297U CN214485297U CN202023116393.2U CN202023116393U CN214485297U CN 214485297 U CN214485297 U CN 214485297U CN 202023116393 U CN202023116393 U CN 202023116393U CN 214485297 U CN214485297 U CN 214485297U
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Abstract
The utility model provides an electrical stimulation electric current double needle measuring probe with degree of depth reading function, there are probe slider and sleeve, fixed being provided with two probes side by side in the probe slider, the up end of probe slider is stretched out to the upper end of two probes, the lower extreme stretches out the lower terminal surface of probe slider, the sleeve top is sealed, probe slider gets into the sleeve from the sleeve bottom, the probe upper end that is located probe slider upper end runs through telescopic top, be used for inserting biological tissue, the tip passes through the measurement system that the wire connects gradually amplifier and is used for reading biological tissue's current value under the probe that is located probe slider lower extreme. The utility model discloses an electrical stimulation current double-needle measurement probe and application method with degree of depth reading function, for the distribution measurement of electrical stimulation current provides a double-needle measurement probe, to the current distribution of organizing inside different positions and the different degree of depth under the research electrical stimulation, verify that relevant theoretical method provides important means to the experimental study of the accurate nature of stimulation provides powerful instrument under improving the electrical stimulation.
Description
Technical Field
The utility model relates to a measuring probe for biomedical detection. In particular to a double-needle measuring probe with the function of reading the insertion depth and the function of distributing the electrical stimulation current of the biological tissue and a using method thereof.
Background
Electrical stimulation is a widely used means of neuromodulation and rehabilitation therapy. Among them, remarkable progress has been made in the aspects of electrical stimulation of nerve tissues, functional rehabilitation of sports, speech and the like, pain treatment, and the like. However, there is no real-time monitoring method for the distribution of the electrical stimulation current in the tissue, and only indirect observation can be performed through physiological effects such as limb reaction during stimulation, and there is no effective monitoring means for accurate stimulation of a predetermined position or a neural structure at a specific intensity.
Therefore, a detection probe for current distribution under electrical stimulation, particularly a non-invasive or minimally-invasive current detection probe, needs to be researched and designed so as to realize measurement of current distribution under electrical stimulation, and the insertion depth can be read so as to measure the current and electric field distribution characteristics at different depth positions in the tissue.
Disclosure of Invention
The utility model aims to solve the technical problem that an electrical stimulation current double-needle measuring probe with depth reading function is provided for improving the experimental study of stimulating accurate nature under the electrical stimulation.
The utility model adopts the technical proposal that: an electrical stimulation current double-needle measuring probe with a depth reading function comprises: the probe slide block is internally and fixedly provided with two probes side by side, the upper ends of the two probes extend out of the upper end surface of the probe slide block, the lower ends of the two probes extend out of the lower end surface of the probe slide block, the top end of the sleeve is sealed, the probe slide block enters the sleeve from the bottom end of the sleeve, the upper end part of the probe positioned at the upper end of the probe slide block penetrates through the top end of the sleeve and is used for inserting biological tissues, and the lower end part of the probe positioned at the lower end of the probe slide block is sequentially connected with an amplifier and a measuring system for reading the current value of the biological tissues through a lead; the utility model discloses a probe, including the sleeve, probe slider, rectangle insulating block, the sleeve, the probe slider be by can inserting rectangle insulating block in the sleeve constitutes, the height of rectangle insulating block is greater than the sleeve degree of depth, a side edge of rectangle insulating block is provided with along direction of height and is used for inserting the scale that the degree of depth of sleeve was read to the rectangle insulating block, be formed with two perforating holes that link up from top to bottom in the rectangle insulating block side by side, two the probe run through two through-hole perforating holes respectively, and upper end and lower extreme stretch out respectively the up end and the lower terminal surface of rectangle insulating block, the up end and the lower terminal surface of probe slider promptly to through glue with two probes with two perforating holes of rectangle insulating block are fixed.
The utility model discloses an electrical stimulation current double-needle measurement probe with degree of depth reading function provides a double-needle measurement probe for electrical stimulation current distribution measurement, to the current distribution of organizing inside different positions and the different degree of depth under the research electro photoluminescence, verifies that relevant theoretical method provides the important means to experimental study for improving under the electro photoluminescence stimulation accurate provides powerful instrument.
Drawings
Fig. 1 is a schematic structural diagram of an electrical stimulation current double-needle measuring probe with a depth reading function of the present invention;
FIG. 2 is an exploded view of the sleeve of the present invention;
fig. 3 is a schematic view of the overall structure of the sleeve of the present invention;
FIG. 4 is a schematic structural diagram of a probe slider according to the present invention;
fig. 5 is a partial schematic view of the middle probe of the present invention.
In the drawings
1: probe slide 1.1: rectangular insulating block
1.2: scale 1.3: through hole
1.4: and (3) a rubber film 2: sleeve barrel
2.1: rectangular cylinder 2.2: rectangular flat plate
2.3: through hole 3: probe needle
3.1: insulating layer 3.2: conductive end face
4: biological tissue
Detailed Description
The following describes the electrical stimulation current double-needle measurement probe with depth reading function according to the present invention in detail with reference to the following embodiments and accompanying drawings.
As shown in fig. 1, the utility model discloses an electrical stimulation current double-needle measuring probe with degree of depth reading function, including: probe slider 1 and sleeve 2, fixed being provided with two probes 3 in the probe slider 1 side by side, the up end that probe slider 1 was stretched out to the upper end of two probes 3, and the lower terminal surface that probe slider 1 was stretched out to the lower extreme, 2 tops of sleeve seal, probe slider 1 gets into sleeve 2 from 2 bottoms of sleeve, and the probe upper end that is located probe slider 1 upper end runs through sleeve 2's top for insert surveyed biological tissue 4, the probe lower tip that is located probe slider 1 lower extreme connects gradually amplifier 5 and is used for reading the measurement system 6 of the current value of being surveyed biological tissue 4 through the wire.
As shown in fig. 2 and 3, the sleeve 2 comprises a rectangular cylinder 2.1 and a rectangular flat plate 2.2 fixedly arranged at the top end of the rectangular cylinder 2.1, two through holes 2.3 which are formed in the rectangular flat plate 2.2 side by side and used for penetrating two probes 3 are formed, and the hole center distance between the two through holes 2.3 is 1-5 mm.
The length and width of the rectangular flat plate 2.2 are the same as those of the upper end face of the sleeve 2, the rectangular flat plate 2.2 is integrally formed at the top end of the rectangular cylinder 2.1, or the rectangular flat plate 2.2 is adhered and fixed at the top end of the rectangular cylinder 2.1 through hot melt adhesive.
The sleeve 2 is used for ensuring that the probe slide block 1 with the probe 3 moves forwards and backwards along a straight line and providing a contact plane of the probe 3 and tissues.
In the embodiment of the utility model, the rectangle dull and stereotyped 2.2 long 90mm, wide 50mm, the rectangle section of thick bamboo 2.1 up end long 90mm, wide 50mm all adopt organic glass processing to make.
As shown in fig. 4, the probe slider 1 is composed of a rectangular insulating block 1.1 which can be inserted into the sleeve 2, the height of the rectangular insulating block 1.1 is greater than the depth of the sleeve 2, a scale 1.2 for reading the depth of the rectangular insulating block 1.1 inserted into the sleeve 2 is arranged on one side edge of the rectangular insulating block 1.1 along the height direction, two through holes 1.3 which are vertically through are formed in the rectangular insulating block 1.1 side by side, the two probes 3 respectively penetrate through the two through hole through holes 1.3, the upper end and the lower end of each of the probes 3 respectively extend out of the upper end face and the lower end face of the rectangular insulating block 1.1, namely the upper end face and the lower end face of the probe slider 1, and the two probes 3 are fixed with the two through holes 1.3 of the rectangular insulating block 1.1 by glue.
The upper end surfaces of the two probes 3 extend out of the upper end surface of the probe slide block 1 by 5-50 cm. If the current is measured at 5mm below the surface of the biological tissue 4, the length of the probe exposed out of the upper end surface of the sleeve 2 can be set to be 5mm, and then the probe is inserted into the biological tissue 4 to be measured.
The distance between the centers of two through holes 1.3 formed in the rectangular insulating block 1.1 side by side is equal to the distance between the centers of two through holes 2.3 formed in the rectangular flat plate 2.2 at the top end of the sleeve 2 and used for penetrating two probes 3, and the positions of the two through holes 1.3 correspond to the through holes 2.3, wherein the distance between the centers of the two through holes is 1-5 mm.
The periphery of the rectangular insulating block 1.1 is sleeved with a rubber film 1.4 used for increasing friction force with the inner circumferential surface of the sleeve 2, and the scale 1.2 is positioned on the outer side of the rubber film 1.4.
The circumference of the rectangular insulating block 1.1 is smaller than the circumferential dimension of the interior of the sleeve by 0.05-0.1mm, and a rubber film 1.4 with the thickness of 0.05-0.1mm is sleeved on the outer side edge of the rectangular insulating block 1.1. The embodiment of the utility model provides a take 2 inside lengths of cover and width to be 80mm and 40mm, the length and the width of getting rectangle collets 1.1 are 79.9mm and 39.9 mm.
As shown in fig. 5, the outer peripheral surface of the probe 3 is coated with an insulating layer 3.1, and the upper and lower ends are conductive end surfaces 3.2. The probe 3 can be realized by adopting a Huatuo brand acupuncture needle with the diameter of 0.18mm, and the part except the tip is sprayed with insulating paint to be used as an insulating layer 3.1.
Those skilled in the art can make many modifications without departing from the spirit of the invention and the scope of the appended claims, which fall within the scope of the invention.
Claims (7)
1. An electric stimulation current double-needle measuring probe with a depth reading function is characterized by comprising: the probe comprises a probe sliding block (1) and a sleeve (2), wherein two probes (3) are fixedly arranged in the probe sliding block (1) side by side, the upper ends of the two probes (3) extend out of the upper end face of the probe sliding block (1), the lower ends of the two probes extend out of the lower end face of the probe sliding block (1), the top end of the sleeve (2) is sealed, the probe sliding block (1) enters the sleeve (2) from the bottom end of the sleeve (2), the upper end part of the probe positioned at the upper end of the probe sliding block (1) penetrates through the top end of the sleeve (2) and is used for inserting biological tissues (4), and the lower end part of the probe positioned at the lower end of the probe sliding block (1) is sequentially connected with an amplifier (5) and a measuring system (6) for reading the current value of the biological tissues (4) through a lead; probe slider (1) by inserting rectangle insulating block (1.1) in sleeve (2) constitutes, the height of rectangle insulating block (1.1) is greater than sleeve (2) degree of depth, a side edge of rectangle insulating block (1.1) is provided with scale (1.2) that is used for carrying out the reading to the degree of depth that rectangle insulating block (1.1) inserted in sleeve (2) along direction of height, be formed with two perforating holes (1.3) that link up from top to bottom in rectangle insulating block (1.1) side by side, two probe (3) run through two through-hole perforating holes (1.3) respectively, and upper end and lower extreme stretch out respectively the up end and the lower terminal surface of rectangle insulating block (1.1), be the up end and the lower terminal surface of probe slider (1) promptly to fix two probe (3) with two perforating holes (1.3) of rectangle insulating block (1.1) mutually through glue.
2. The electrical stimulation current double-needle measuring probe with the depth reading function according to claim 1, wherein the sleeve (2) comprises a rectangular cylinder (2.1) and a rectangular flat plate (2.2) fixedly arranged at the top end of the rectangular cylinder (2.1), and two through holes (2.3) for penetrating through the two probes (3) are formed in the rectangular flat plate (2.2) side by side.
3. The electrical stimulation current double-needle measuring probe with the depth reading function according to claim 2, characterized in that the length and width of the rectangular flat plate (2.2) are the same as those of the upper end surface of the sleeve (2), the rectangular flat plate (2.2) is integrally formed at the top end of the rectangular cylinder (2.1), or the rectangular flat plate (2.2) is adhesively fixed at the top end of the rectangular cylinder (2.1) through hot melt adhesive.
4. An electrical stimulation current double-needle measuring probe with a depth reading function according to claim 1, characterized in that the upper end surfaces of the two probes (3) extend 5-50cm beyond the upper end surface of the probe slide block (1).
5. The electrical stimulation current double-needle measuring probe with the depth reading function according to claim 1, wherein the distance between the centers of two through holes (1.3) formed in the rectangular insulating block (1.1) side by side is 1-5 mm, and the positions of the two through holes (1.3) correspond to the two through holes (2.3) formed at the top end of the sleeve (2) and used for penetrating through the two probes (3).
6. The electrical stimulation current double-needle measuring probe with the depth reading function according to claim 1, wherein a rubber film (1.4) for increasing friction force with the inner circumferential surface of the sleeve (2) is sleeved on the periphery of the rectangular insulating block (1.1), and the scale (1.2) is positioned on the outer side of the rubber film (1.4).
7. The electrical stimulation current double-needle measuring probe with the depth reading function as claimed in claim 1, wherein the outer peripheral surface of the probe (3) is coated with an insulating layer (3.1), and the upper end and the lower end are conductive end faces (3.2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023116393.2U CN214485297U (en) | 2020-12-22 | 2020-12-22 | Electrical stimulation current double-needle measuring probe with depth reading function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023116393.2U CN214485297U (en) | 2020-12-22 | 2020-12-22 | Electrical stimulation current double-needle measuring probe with depth reading function |
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| CN214485297U true CN214485297U (en) | 2021-10-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112546444A (en) * | 2020-12-22 | 2021-03-26 | 中国医学科学院生物医学工程研究所 | Electrical stimulation current double-needle measuring probe with depth reading function and use method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112546444A (en) * | 2020-12-22 | 2021-03-26 | 中国医学科学院生物医学工程研究所 | Electrical stimulation current double-needle measuring probe with depth reading function and use method |
| CN112546444B (en) * | 2020-12-22 | 2023-12-05 | 中国医学科学院生物医学工程研究所 | Electrical stimulation current double-needle measuring probe with depth reading function and using method |
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