CN108937868B - External protection device for biological signal acquisition - Google Patents
External protection device for biological signal acquisition Download PDFInfo
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- CN108937868B CN108937868B CN201810762699.3A CN201810762699A CN108937868B CN 108937868 B CN108937868 B CN 108937868B CN 201810762699 A CN201810762699 A CN 201810762699A CN 108937868 B CN108937868 B CN 108937868B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/24—Housings ; Casings for instruments
- G01D11/245—Housings for sensors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/30—Supports specially adapted for an instrument; Supports specially adapted for a set of instruments
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
- G01D3/08—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for safeguarding the apparatus, e.g. against abnormal operation, against breakdown
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- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
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- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
The invention discloses a biological signal acquisition external protection device, which comprises an external sucker fixing component, an internal shielding fixing cover component, a probe fixing component and a probe elastic abutting component.
Description
Technical Field
The invention relates to an external protection device for biological signal acquisition, belonging to the technical field of biological signal acquisition equipment.
Background
The biological signal acquisition system is used for researchers, teachers and students to observe biological electric signals detected in various organisms or in isolated organs and biological non-electric signal waveforms such as tension, pressure, temperature and the like through the system, so that the function change of the biological organism under different physiological or pharmacological experimental conditions is recorded and analyzed. The biological function experiment system is one of the main devices and means for studying biological function activities. The biological signal acquisition system can combine the biological signal acquisition probe with the powerful processing function of a computer according to the characteristics of electrophysiological experiments, and can effectively research biological signals so as to analyze the characteristic mechanism of organisms.
The existing biological signal acquisition system generally comprises a biological signal acquisition probe and a processing computer, and for the acquisition probe, a negative pressure sucker is generally adopted to directly fix the probe at a position to be acquired of a living being, the sucker is simple in structure, but the structure for signal acquisition protection is not provided, signals are easily subjected to electromagnetic interference, in addition, the probe is not well contacted with the position to be acquired, the problem that the signals are weak or inaccurate easily occurs, and therefore, an external protection device for biological signal acquisition is required to be designed so as to improve the accuracy and the definition of biological signal acquisition.
Aiming at the problems, the invention provides an external protection device for biological signal acquisition, which improves the accuracy and the definition of biological signal acquisition.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: the external protection device for biological signal acquisition is characterized by comprising an outer sucker fixing assembly, an inner shielding fixing cover assembly, a probe fixing assembly and a probe elastic abutting assembly, wherein the outer sucker fixing assembly is arranged outside the inner shielding fixing cover assembly in a surrounding manner;
the probe elastic abutting assembly is arranged in the inner shielding fixing cover assembly, and the probe elastic abutting assembly is elastically abutted and connected with the probe fixing assembly;
the top of the inner shielding fixing cover component is attached to the outer sucker fixing component, so that the inner shielding fixing cover component is adsorbed to a part to be detected of the biological signal under negative pressure by pressing the upper part of the outer sucker fixing component;
a plurality of signal detection probes for detecting biological signals are arranged on the probe fixing component in an array manner;
the inner shielding fixing cover assembly has an electromagnetic shielding function.
Further, as preferred, the fixed subassembly of outer sucking disc includes last bag portion, lower support portion, a plurality of negative sucker and connecting portion, the tip of going up bag portion adopt connecting portion with the lower support portion is connected, the upper end of going up bag portion is seal structure, just the upper end middle part of going up bag portion is provided with the concave inboard according to the splenium of arc, the lower extreme surface parallel and level of lower support portion, be provided with a plurality of negative sucker on the lower extreme bottom surface circumference of lower support portion, utilize negative sucker will be fixed at the position that biosignal waited to detect with this fixed subassembly of outer sucking disc.
Further, preferably, the upper bag portion is of a cylindrical structure in a natural state, the upper portion of the lower support portion is of a cylindrical structure, an extension portion extending outwards along the radial direction of the cylinder of the lower support portion is arranged at the bottom of the lower support portion, and the negative pressure suction cup is fixed to the bottom of the extension portion.
Further, as preferred, the fixed cover subassembly of interior shielding includes interior bag portion, shield cover, supports to support the otter board and elasticity adsorbs to support the portion of leaning on, the lower extreme of interior bag portion with the shield cover upper end links together, interior bag portion upper end is enclosed construction, just interior bag portion upper end middle part position is provided with presses the atress portion that the cooperation of splenium was hugged closely, interior bag portion with be provided with between the shield cover and fix and support the otter board to support on the shield cover, the bottom of shield cover is provided with elasticity and adsorbs to support the portion of leaning on, realizes through pressing the operation of pressing the splenium to support elasticity to support the portion negative pressure to support to wait to detect the position with biological signal, and probe elasticity supports to support the subassembly and.
Further, as preferred, the subassembly is supported to probe elasticity includes that many support lean on spring, elasticity support the board and support and lean on the post, the fixed subassembly of probe is fixed to be set up support the bottom of the column, support to support fixed the setting in post upper portion and support the board central point in elasticity and put, elasticity supports the upper end of board and adopts many it connects to support the spring coupling support on the otter board, elasticity supports the board for to supporting the concave arc elastic construction of spring side.
Preferably, the lower support part and the shielding case are provided with holes for extending signal wires connected with the biological signal detection probe, and sealing gaskets are arranged between the signal wires and the hole walls.
Further, as preferred, the fixed subassembly of probe includes insulating stationary blade, signal transmission circuit board, probe fixed plate and a plurality of probe, and each probe is fixed with the mode of array one side of probe fixed plate, the opposite side of probe fixed plate is connected the signal transmission circuit board, the output of signal transmission circuit board is connected to the signal line, the outside of signal transmission circuit board sets up insulating stationary blade, insulating stationary blade is fixed lean on the post.
Further, as preferred, the shielding case includes the cover body and the interior shielding net twine that insulating material made, the cover body includes the inboard body and the outside body, interior shielding net twine with network structure fill in the cover body, and the symmetrical arrangement is internal in inboard body and the outside on the cover body.
Further, preferably, the insulating fixing piece is fixed on the signal transmission circuit board by adopting a plastic screw, and the probe is of a square structure.
Further, preferably, the upper bag portion and the inner bag portion are both made of elastic rubber materials.
Compared with the prior art, the invention has the beneficial effects that:
the external protection device for biological signal acquisition not only can realize electromagnetic shielding of the acquisition probe and ensure accuracy and definition of signal detection, but also can ensure the fixing stability of the acquisition probe and improve the positioning precision of an acquisition part by adopting the external sucker fixing component for auxiliary fixing, and the elastic abutting component of the probe can ensure that the probe is reliably contacted with the acquisition part at any time and improve the signal acquisition stability.
Drawings
FIG. 1 is a schematic structural diagram of an external protection device for biological signal acquisition according to the present invention;
FIG. 2 is a schematic structural view of a probe fixing assembly of the external protection device for biological signal acquisition according to the present invention;
FIG. 3 is a schematic cross-sectional view of a shield of an external protection device for bio-signal acquisition according to the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the external protection device for biological signal acquisition is characterized by comprising an outer sucker fixing assembly, an inner shielding fixing cover assembly, a probe fixing assembly and a probe elastic abutting assembly, wherein the outer sucker fixing assembly is arranged outside the inner shielding fixing cover assembly in a surrounding manner;
the probe elastic abutting assembly is arranged in the inner shielding fixing cover assembly, and the probe elastic abutting assembly is elastically abutted and connected with the probe fixing assembly;
the top of the inner shielding fixing cover component is attached to the outer sucker fixing component, so that the inner shielding fixing cover component is adsorbed to a part to be detected of the biological signal under negative pressure by pressing the upper part of the outer sucker fixing component;
a plurality of signal detection probes for detecting biological signals are arranged on the probe fixing component in an array manner;
the inner shielding fixing cover assembly has an electromagnetic shielding function.
In this embodiment, as shown in fig. 1, the outer suction cup fixing assembly includes an upper bag portion 3, a lower supporting portion 1, a plurality of negative pressure suction cups 2 and a connecting portion 8, the end portion of the upper bag portion 3 is connected to the lower supporting portion 1 through the connecting portion 8, the upper end of the upper bag portion 3 is a sealing structure, a pressing portion 5 which is arc-shaped and concave to the inner side is arranged in the middle of the upper end of the upper bag portion 3, the lower end surface of the lower supporting portion is flush, the plurality of negative pressure suction cups 2 are arranged on the circumference of the bottom surface of the lower end of the lower supporting portion, and the outer suction cup fixing assembly is fixed to a position to be detected by a biological.
The upper bag portion 3 is of a cylindrical structure in a natural state, the upper portion of the lower supporting portion 1 is of a cylindrical structure, an extending portion extending outwards in the radial direction of a cylinder of the lower supporting portion is arranged at the bottom of the lower supporting portion, and the negative pressure sucker is fixed to the bottom of the extending portion.
As a preferred embodiment, the inner shielding fixing cover assembly comprises an inner bag portion 4, a shielding cover 15, a supporting screen plate 7 and an elastic adsorption supporting portion 16, wherein the lower end of the inner bag portion 4 is connected with the upper end of the shielding cover 15, the upper end of the inner bag portion 4 is of a closed structure, a stress portion 6 which is matched and tightly attached with a pressing portion is arranged in the middle of the upper end of the inner bag portion 4, the supporting screen plate 7 fixed on the shielding cover is arranged between the inner bag portion 4 and the shielding cover, the elastic adsorption supporting portion 16 is arranged at the bottom of the shielding cover 15, the elastic adsorption supporting portion is pressed against the position of the biological signal to be detected through the pressing operation of the pressing portion 5, and the probe elastic supporting assembly is connected to the supporting screen plate 7.
Probe elasticity supports to lean on the subassembly to include many to support to lean on spring 9, elasticity to support the backup plate and support to support post 11, the fixed subassembly of probe is fixed to be set up support to lean on 11 bottoms of post, support to support 11 upper portions fixed to be set up to support the board central point in elasticity and put, elasticity supports the upper end of backup plate to adopt many support to support spring 9 to connect support to lean on the otter board, elasticity supports the backup plate for to supporting the concave arc elastic construction to the spring side.
And holes for extending out of signal wires connected with the biological signal detection probes are formed in the lower supporting part and the shielding case, and sealing gaskets are arranged between the signal wires and the hole walls.
As shown in fig. 2, the probe fixing assembly includes an insulating fixing plate 17, a signal transmission circuit board 12, a probe fixing plate 13 and a plurality of probes 14, the probes 14 are fixed on one side of the probe fixing plate 13 in an array manner, the other side of the probe fixing plate 13 is connected to the signal transmission circuit board 12, the output end 18 of the signal transmission circuit board 12 is connected to a signal line, the insulating fixing plate 17 is arranged on the outer side of the signal transmission circuit board, and the insulating fixing plate 17 is fixed on the abutting column.
As shown in fig. 3, the shielding case includes a case body made of an insulating material and an inner shielding mesh wire, the case body includes an inner body 20 and an outer body 21, and the inner shielding mesh wire 22 is filled in the case body in a mesh structure and is symmetrically arranged in the inner body and the outer body on the case body.
The probe is characterized in that the insulating fixing piece 17 is provided with a screw hole 19, the insulating fixing piece 17 is fixed on the signal transmission circuit board by adopting a plastic screw, the probe is of a square structure, and the upper bag part and the inner bag part are both made of elastic rubber materials.
The external protection device for biological signal acquisition not only can realize electromagnetic shielding of the acquisition probe and ensure accuracy and definition of signal detection, but also can ensure the fixing stability of the acquisition probe and improve the positioning precision of an acquisition part by adopting the external sucker fixing component for auxiliary fixing, and the elastic abutting component of the probe can ensure that the probe is reliably contacted with the acquisition part at any time and improve the signal acquisition stability.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The external protection device for biological signal acquisition is characterized by comprising an outer sucker fixing assembly, an inner shielding fixing cover assembly, a probe fixing assembly and a probe elastic abutting assembly, wherein the outer sucker fixing assembly is arranged outside the inner shielding fixing cover assembly in a surrounding manner;
the probe elastic abutting assembly is arranged in the inner shielding fixing cover assembly and is elastically abutted and connected with the probe fixing assembly;
the top of the inner shielding fixing cover component is attached to the outer sucker fixing component, so that the inner shielding fixing cover component is adsorbed to a part to be detected of the biological signal under negative pressure by pressing the upper part of the outer sucker fixing component;
a plurality of signal detection probes for detecting biological signals are arranged on the probe fixing component in an array manner;
the inner shielding fixing cover assembly has an electromagnetic shielding function;
the outer sucker fixing assembly comprises an upper bag part, a lower supporting part, a plurality of negative suckers and a connecting part, the end part of the upper bag part is connected with the lower supporting part through the connecting part, the upper end of the upper bag part is of a sealing structure, the middle part of the upper end of the upper bag part is provided with an arc pressing part which is concave to the inner side, the lower end surface of the lower supporting part is flush, the circumference of the bottom surface of the lower end of the lower supporting part is provided with the plurality of negative suckers, and the outer sucker fixing assembly is fixed on a part to be detected of a biological signal through the negative suckers;
the fixed cover subassembly of interior shielding includes interior bag portion, shield cover, supports to support otter board and elasticity and adsorbs to support to lean on the portion, the lower extreme of interior bag portion with the shield cover upper end links together, interior bag portion upper end is enclosed construction, just interior bag portion upper end middle part position is provided with presses the atress portion that the cooperation of splenium was hugged closely, interior bag portion with be provided with between the shield cover and fix and support the otter board to supporting on the shield cover, the bottom of shield cover is provided with elasticity and adsorbs to support to lean on the portion, and the operation of pressing through pressing according to the splenium realizes adsorbing to support the portion negative pressure to support to lean on the biological signal and to wait to detect the position, and probe elasticity supports to.
2. The external protection device for biological signal acquisition as claimed in claim 1, wherein: the upper bag portion is of a cylindrical structure in a natural state, the upper portion of the lower supporting portion is of a cylindrical structure, an extending portion extending outwards in the radial direction of the cylinder of the lower supporting portion is arranged at the bottom of the lower supporting portion, and the negative pressure sucker is fixed to the bottom of the extending portion.
3. The external protection device for biological signal acquisition as claimed in claim 2, wherein: probe elasticity supports to support the subassembly and includes that many support lean on spring, elasticity support the backup plate and support and lean on the post, the fixed subassembly of probe is fixed to be set up support the bottom half, support to support fixed the setting in post upper portion and support the board central point in elasticity and put, elasticity supports the upper end of backup plate and adopts many support to support the spring coupling and support on the otter board, elasticity supports the backup plate for to supporting the arc elastic construction who leans on the spring side concave to.
4. The external protection device for biological signal acquisition as claimed in claim 3, wherein: and holes for extending out of signal wires connected with the biological signal detection probes are formed in the lower supporting part and the shielding case, and sealing gaskets are arranged between the signal wires and the hole walls.
5. The external protection device for biological signal acquisition as claimed in claim 3, wherein: the fixed subassembly of probe includes insulating stationary blade, signal transmission circuit board, probe fixed plate and a plurality of probe, and each probe is fixed with the mode of array one side of probe fixed plate, the opposite side of probe fixed plate is connected the signal transmission circuit board, the output of signal transmission circuit board is connected to the signal line, the outside of signal transmission circuit board sets up insulating stationary blade, insulating stationary blade is fixed support by on the post.
6. The external protection device for biological signal acquisition as claimed in claim 2, wherein: the shielding cover comprises a cover body made of insulating materials and an inner shielding mesh wire, the cover body comprises an inner side body and an outer side body, the inner shielding mesh wire is filled in the cover body in a mesh structure, and the inner side body and the outer side body are symmetrically arranged on the cover body.
7. The external protection device for biological signal acquisition as claimed in claim 5, wherein: the insulating fixing piece is fixed on the signal transmission circuit board by adopting a plastic screw, and the probe is of a square structure.
8. The external protection device for biological signal acquisition as claimed in claim 2, wherein: the upper bag part and the inner bag part are both made of elastic rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810762699.3A CN108937868B (en) | 2018-07-12 | 2018-07-12 | External protection device for biological signal acquisition |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810762699.3A CN108937868B (en) | 2018-07-12 | 2018-07-12 | External protection device for biological signal acquisition |
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| CN108937868A CN108937868A (en) | 2018-12-07 |
| CN108937868B true CN108937868B (en) | 2021-07-13 |
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| CN201810762699.3A Active CN108937868B (en) | 2018-07-12 | 2018-07-12 | External protection device for biological signal acquisition |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109938726B (en) * | 2019-04-08 | 2021-07-27 | 中国人民解放军陆军特色医学中心 | Electrode fixing device |
| CN111307083B (en) * | 2020-04-15 | 2021-09-17 | 上海恩迪检测控制技术有限公司 | Ultrasonic thickness gauge with stable contact between probe and workpiece |
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| US3534733A (en) * | 1968-01-10 | 1970-10-20 | Us Navy | Spring-loaded suction cup-type biomedical instrumentation electrode |
| CA2077318A1 (en) * | 1991-09-12 | 1993-03-13 | Heinz Eilentropp | Suction electrode |
| RU2171090C1 (en) * | 1999-11-23 | 2001-07-27 | Кубанский государственный аграрный университет | Device for stimulating biologically active points in agricultural animals |
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| CN108937868A (en) | 2018-12-07 |
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