CN113288104B - Novel intracranial pressure monitoring device - Google Patents
Novel intracranial pressure monitoring device Download PDFInfo
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- CN113288104B CN113288104B CN202110495269.1A CN202110495269A CN113288104B CN 113288104 B CN113288104 B CN 113288104B CN 202110495269 A CN202110495269 A CN 202110495269A CN 113288104 B CN113288104 B CN 113288104B
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- 238000007917 intracranial administration Methods 0.000 title claims abstract description 38
- 238000012806 monitoring device Methods 0.000 title claims abstract description 16
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- 238000007789 sealing Methods 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 230000001502 supplementing effect Effects 0.000 claims abstract description 10
- 238000004659 sterilization and disinfection Methods 0.000 claims description 44
- 238000000034 method Methods 0.000 claims description 16
- 238000012545 processing Methods 0.000 claims description 14
- 239000000428 dust Substances 0.000 claims description 11
- 230000001954 sterilising effect Effects 0.000 claims description 10
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- 229910052709 silver Inorganic materials 0.000 claims description 7
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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 5
- 238000001179 sorption measurement Methods 0.000 claims description 3
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- 239000002344 surface layer Substances 0.000 claims description 2
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- 238000012544 monitoring process Methods 0.000 description 3
- LVROLHVSYNLFBE-UHFFFAOYSA-N 2,3,6-trichlorobiphenyl Chemical compound ClC1=CC=C(Cl)C(C=2C=CC=CC=2)=C1Cl LVROLHVSYNLFBE-UHFFFAOYSA-N 0.000 description 2
- 210000004556 brain Anatomy 0.000 description 2
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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
- A61B5/03—Measuring fluid pressure within the body other than blood pressure, e.g. cerebral pressure ; Measuring pressure in body tissues or organs
- A61B5/031—Intracranial pressure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/08—Radiation
- A61L2/10—Ultraviolet radiation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/007—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by irradiation
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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
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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Abstract
The invention relates to the technical field of medical equipment, in particular to a novel intracranial pressure monitoring device; the invention comprises a monitor, a horizontal component controlled by the monitor, a detection component and a balance component, wherein the horizontal component comprises an electric telescopic rod, a supporting plate and an electronic gyroscope, the electric telescopic rod is arranged at the top angle of the top surface of the monitor, a hinged ball is arranged at the top of the electric telescopic rod, a spherical hinge seat matched with the hinged ball is arranged at the top angle of the bottom plate surface of the supporting plate, the detection component comprises a U-shaped pipe, a distance sensor and an air pressure sensor, a sealing plug is arranged at the pipe orifice of the U-shaped pipe, the distance sensor and the air pressure sensor are arranged at the bottom of the sealing plug, a connecting pipe is arranged on the pipe body of the U-shaped pipe close to the pipe orifice of the U-shaped pipe, detection liquid is filled in the U-shaped pipe, and the balance component comprises a mounting seat, an air storage tank, an air supplementing pipe, a pressure releasing pipe and an electromagnetic pressure releasing valve; the invention can effectively solve the problems of poor safety, larger measurement error and the like in the prior art.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to a novel intracranial pressure monitoring device.
Background
Measuring intracranial pressure is a daily task after brain surgery.
The application number is: the patent document of CN201922195258.2 discloses a postoperative intracranial pressure measuring device, relates to brain surgery monitoring instrument technical field, including rubber tube and measuring equipment, the front end fixedly connected with adapter tube of rubber tube, the rear end of rubber tube is equipped with the sealing plug, the sleeve area has been cup jointed in the front end outside of rubber tube, the clip has been cup jointed in the rear end outside of rubber tube, the output and the measuring equipment electricity of sleeve area are connected, measuring equipment's fixed surface has the display, measuring equipment's be equipped with central processing unit, storage module and power module, be equipped with pressure sensor in the sleeve area. According to the post-operation intracranial pressure measuring device, one end of the rubber tube is connected with the intracranial drainage tube, the other end of the rubber tube is sealed, cerebrospinal fluid is prevented from being communicated with the outside, intracranial infection is reduced, an instrument does not need to be kept vertical, the instrument is prevented from being hung by a rope, and accordingly the risk of pulling out the intracranial drainage tube is reduced.
However, the following disadvantages still exist in the practical application process:
first, the security is not good, because the device in above-mentioned comparison document is in the in-process of releasing the intracranial unnecessary pressure of patient, and the repeated plug of rubber tube and sealing plug can make the inside pollution that receives outside air of rubber tube to increased patient's wound and infected risk.
Secondly, the measurement error is larger, because the device in the comparison document indirectly measures the intracranial pressure of the patient by measuring the tension of the sleeve in the expansion process of the rubber tube, and because the rubber tube has certain elasticity, the sleeve has certain error when measuring the air pressure in the rubber tube, and the device in the comparison document can only monitor the patient with intracranial high pressure but not the patient with intracranial low pressure.
Disclosure of Invention
The present invention aims to solve the drawbacks of the prior art and to solve the problems set forth in the background art.
In order to achieve the above purpose, the present invention adopts the following technical scheme: a novel intracranial pressure monitoring device comprises a monitor, a horizontal component controlled by the monitor, a detection component and a balance component;
the horizontal component comprises an electric telescopic rod, a supporting plate and an electronic gyroscope, wherein the electric telescopic rod is arranged at the vertex angle of the top surface of the monitor, the hinge balls are arranged at the top of the electric telescopic rod, ball hinge seats matched with the hinge balls are arranged at the vertex angle of the bottom plate surface of the supporting plate, and the electronic gyroscope is arranged on the bottom plate surface of the supporting plate;
the detection assembly comprises a U-shaped pipe, a distance sensor and an air pressure sensor, wherein the U-shaped pipe is vertically arranged on a supporting plate, sealing plugs are arranged at pipe orifices of the U-shaped pipe, the distance sensor and the air pressure sensor are arranged at the bottoms of the sealing plugs, connecting pipes are arranged on pipe bodies, close to the pipe orifices, of the U-shaped pipe, and detection liquid is filled in the U-shaped pipe;
the balance assembly comprises a mounting seat, a second air pressure sensor, an air storage tank, an air supplementing pipe, a pressure releasing pipe and an electromagnetic pressure releasing valve, wherein the mounting seat is arranged on a supporting plate, the second air pressure sensor is arranged on the outer surface of the mounting seat, the air storage tank is arranged in a mounting groove at the top of the mounting seat, an air outlet pipe at the top of the mounting seat is connected with a connecting pipe on the right-end pipe body of the U-shaped pipe in a sealing mode through the air supplementing pipe, the pressure releasing pipe is arranged on the pipe body at the right end of the U-shaped pipe, the electromagnetic pressure releasing valve is arranged on the pressure releasing pipe, and an pipe orifice in the air outlet pipe is positioned in the mounting seat and is connected with the output end of the air storage tank in a sealing mode.
Still further, be equipped with display screen, button module, interface module and speaker on the outer wall of monitor, be equipped with PCB board and power module in the inside holding chamber of detector, be equipped with processing module and memory module on the PCB board.
Still further, the apex angle department of monitor bottom all is equipped with flexible anti-skidding pad foot, the bottom surface of anti-skidding pad foot evenly distributes and has the negative pressure recess.
Furthermore, a positioning table matched with the U-shaped pipe is fixed on the outer wall of the pipe body in the middle of the U-shaped pipe in a sleeved mode, an inserting block is fixed at the bottom of the positioning table, and an inserting groove matched with the inserting block is formed in the plate body at the top of the supporting plate; the utility model discloses a liquid level detection device, including U type pipe, detection liquid level, locating ring, two locating rings, the body at U type pipe both ends all is equipped with the float that floats in the body at U type pipe both ends, the body inside at U type pipe both ends all is equipped with the spacing ring that matches with the float, two the height of spacing ring in the vertical direction is the same and be in the top of float.
Furthermore, the inside of the plug block and the inside of the supporting plate at the bottom wall of the plug groove are both provided with adsorption magnets; scale marks are arranged on the tube bodies at the two ends of the U-shaped block, and the U-shaped tube is made of hard transparent materials meeting medical standards; the upper end surface of the floater is uniformly plated with a mirror layer.
Furthermore, the outer pipe orifice of the connecting pipe on the left pipe body of the U-shaped pipe is connected with a three-way pipe in a sealing way, and the other two pipe bodies of the three-way pipe are respectively provided with an electromagnetic discharge valve and a drainage pipe.
Further, the distance sensor adopts a laser type sensor, and the working principle of the distance sensor adopts any one of a phase method and a laser triangulation method.
Still further, the support plate is also provided with a purification component connected with the input end of the air storage tank, the purification component comprises a dust removal box, a disinfection box and an air pump, and the output end of the dust removal box, the input end of the disinfection box, the output end of the disinfection box, the input end of the air pump, the output end of the air pump and the input end of the air storage tank are sequentially communicated through an air guide pipe; the air storage tank is also provided with an air pressure switch controlled by a monitor.
Still further, the inside symmetry of disinfection box is equipped with four baffles, is closest to the space region between two baffles of disinfection box one end is first disinfection chamber, is closest to the space region between two baffles of disinfection box other end is the second disinfection chamber, be equipped with a set of transparent spiral pipe in the first disinfection chamber, be equipped with a set of silver-colored spiral pipe in the second disinfection chamber, the mouth of pipe of transparent spiral pipe, silver-colored spiral pipe all with the corresponding piping groove sealing type fixed connection on the baffle that corresponds, be equipped with the ultraviolet lamp of being controlled by the monitor on the inner wall in first disinfection chamber.
Further, the inner wall of the first disinfection cavity is uniformly plated with a reflecting layer.
Compared with the prior art, the invention has the advantages and positive effects that,
according to the invention, a monitor, a horizontal component controlled by the monitor, a detection component and a balance component are added, wherein an electric telescopic rod, a supporting plate and an electronic gyroscope are arranged at the top angle of the top surface of the monitor, the top of the electric telescopic rod is provided with a hinging ball, the top angle of the bottom plate surface of the supporting plate is provided with a spherical hinging seat matched with the hinging ball, and the electronic gyroscope is arranged on the bottom plate surface of the supporting plate; the detection assembly comprises a U-shaped pipe, a distance sensor and an air pressure sensor, wherein the U-shaped pipe is vertically arranged on the supporting plate, sealing plugs are arranged at pipe orifices of the U-shaped pipe, the distance sensor and the air pressure sensor are arranged at the bottoms of the sealing plugs, connecting pipes are arranged on pipe bodies, close to the pipe orifices, of the U-shaped pipe, and detection liquid is filled in the U-shaped pipe; the balance component comprises a mounting seat, a second air pressure sensor, an air storage tank, an air supplementing pipe, a pressure releasing pipe and an electromagnetic pressure releasing valve, wherein the mounting seat is arranged on the supporting plate, the second air pressure sensor is arranged on the outer surface of the mounting seat, the air storage tank is arranged in a mounting groove at the top of the mounting seat, an air outlet pipe at the top of the mounting seat is connected with a connecting pipe on the right pipe body of the U-shaped pipe in a sealing manner through the air supplementing pipe, the pressure releasing pipe is arranged on the pipe body at the right end of the U-shaped pipe, the electromagnetic pressure releasing valve is arranged on the pressure releasing pipe, and a pipe orifice of the air outlet pipe positioned in the mounting seat is connected with the output end of the air storage tank in a sealing manner; the utility model provides a liquid level detection device, including U type pipe, including the body, the body at U type pipe both ends is equipped with the float that floats on detecting liquid level, and still be equipped with the purification subassembly of being connected with the gas holder input in the backup pad, purification subassembly includes dust removal box and disinfection box, the output of dust removal box, the input of disinfection box, the output of disinfection box and the input of gas holder are linked together in proper order through the air duct, still be equipped with the pneumatic switch of being controlled by the monitor on the gas holder, the outer end mouth of pipe department sealed of connecting pipe on the left end body of U type pipe is connected with the three-way pipe, be equipped with the design of electromagnetic discharge valve, drainage tube on two other bodies of three-way pipe respectively.
The monitor can enable the air pressure inside the tube body at the right end of the U-shaped tube to be consistent with the outside all the time through the cooperation of the first air pressure sensor, the air storage tank, the electromagnetic pressure relief valve and the second air pressure sensor at the right end of the U-shaped tube, and can enable the device to simultaneously realize the intracranial pressure reduction and intracranial pressure monitoring capability of a patient under the cooperation of the purification assembly and the three-way tube, thereby effectively reducing the risk of infection in the intracranial pressure reduction process of the patient; in addition, the pressure in the patient can be directly measured through the air pressure sensor at the left end of the U-shaped tube by the monitor, and meanwhile, the liquid level difference at the two ends of the U-shaped tube can be measured through the two distance sensors by the monitor, so that the air pressure in the tube body at the left end of the U-shaped tube (namely, the intracranial pressure of the patient) can be indirectly measured, and the pressure in the patient can be accurately obtained by comprehensively analyzing the two measuring results by the monitor.
The invention can effectively improve the safety of the product to the patient and the accuracy of the monitoring result in practical application.
Drawings
FIG. 1 is a pictorial view of the present invention at a first viewing angle;
FIG. 2 is a partially exploded view of the present invention at a second view angle;
FIG. 3 is an exploded view of the support plate and the electric telescopic rod of the present invention from a third perspective;
FIG. 4 is a schematic view of a fourth view of the support plate of the present invention, partially in section;
FIG. 5 is a visual illustration of the monitor at a fifth viewing angle of the present invention;
FIG. 6 is a schematic view of a monitor at a sixth view angle, partially in section;
fig. 7 is a schematic view of a portion of a sterilization case according to the seventh aspect of the present invention, in cross-section;
FIG. 8 is a schematic view of a plug block of the eighth aspect of the present invention after being partially cut away;
FIG. 9 is an exploded view, partially in section, of a U-tube according to the ninth aspect of the present invention;
FIG. 10 is a partial cross-sectional view of the cassette body at the first sterilization chamber of the sterilization cassette of the present invention;
FIG. 11 is an enlarged view of area A of FIG. 2;
FIG. 12 is an enlarged view of area B of FIG. 2;
FIG. 13 is an enlarged view of region C of FIG. 5;
FIG. 14 is an enlarged view of region D of FIG. 9;
FIG. 15 is an enlarged view of area E of FIG. 9;
FIG. 16 is an enlarged view of area F of FIG. 9;
reference numerals in the drawings represent respectively: 1-a monitor; 2-an electric telescopic rod; 3-supporting plates; 4-electronic gyroscopes; 5-hinging the ball; 6-a ball-and-socket; 7-U-shaped tube; 8-a distance sensor; 9-a first air pressure sensor; 10-sealing plug; 11-connecting pipes; 12-mounting seats; 13-a second air pressure sensor; 14-a gas storage tank; 15-an air supplementing pipe; 16-a pressure relief tube; 17-an electromagnetic pressure relief valve; 18-mounting slots; 19-an air outlet pipe; 20-a display screen; 21-a key module; 22-an interface module; 23-speakers; 24-a PCB board; 25-a power module; 26-a processing module; a 27-memory module; 28-anti-slip foot pads; 29-negative pressure grooves; 30-positioning table; 31-plug-in blocks; 32-a plug-in groove; 33-float; 34-limiting rings; 35-attracting magnet; 36-a mirror layer; 37-an electromagnetic discharge valve; 38-drainage tube; 39-a dust removal box; 40-sterilizing box; 41-an air pump; 42-an airway; 43-pneumatic switch; 44-a separator; 45-a first disinfection chamber; 46-a second disinfection chamber; 47-transparent spiral tube; 48-silver spiral tube; 49-a tube slot; 50-ultraviolet lamp; 51-a reflective layer.
Detailed Description
In order that the above objects, features and advantages of the invention will be more clearly understood, a further description of the invention will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as described herein, and therefore the present invention is not limited to the specific embodiments of the disclosure that follow.
Examples
The present embodiment provides a novel intracranial pressure monitoring device, referring to fig. 1-16: comprising a monitor 1 and a horizontal component, a detection component and a balancing component controlled by the monitor.
The horizontal component comprises an electric telescopic rod 2, a supporting plate 3 and an electronic gyroscope 4, wherein the electric telescopic rod 2 is arranged at the vertex angle of the top surface of the monitor 1, a hinged ball 5 is arranged at the top of the electric telescopic rod 2, a spherical hinge seat 6 matched with the hinged ball 5 is arranged at the vertex angle of the bottom plate surface of the supporting plate 3, and the electronic gyroscope 4 is arranged on the bottom plate surface of the supporting plate 3; in this way, the processing module 26 can monitor the space state of the supporting plate 3 through the electronic gyroscope 4, so as to adjust the four electric telescopic rods 2, so that the supporting plate 3 is kept horizontal, and the detection liquid in the two ends of the U-shaped tube 7 is kept horizontal in a natural state (namely, the two ends of the U-shaped tube 7 are communicated with the outside).
The detection component comprises a U-shaped pipe 7, a distance sensor 8 and an air pressure sensor, wherein the U-shaped pipe 7 is vertically arranged on the supporting plate 3, a sealing plug 10 is arranged at the pipe orifice of the U-shaped pipe 7, the distance sensor 8 and the air pressure sensor are arranged at the bottom of the sealing plug 10, a connecting pipe 11 is arranged on a pipe body of the U-shaped pipe 7 close to the pipe orifice, and detection liquid is filled in the U-shaped pipe 7.
The balance assembly comprises a mounting seat 12, a second air pressure sensor 13, an air storage tank 14, an air supplementing pipe 15, a pressure releasing pipe 16 and an electromagnetic pressure releasing valve 17, wherein the mounting seat 12 is arranged on the supporting plate 3, the second air pressure sensor 13 is arranged on the outer surface of the mounting seat 12, the air storage tank 14 is arranged in a mounting groove 18 at the top of the mounting seat 12, an air outlet pipe 19 at the top of the mounting seat 12 is in sealed connection with a connecting pipe 11 on the right-end pipe body of the U-shaped pipe 7 through the air supplementing pipe 15, the pressure releasing pipe 16 is arranged on the right-end pipe body of the U-shaped pipe 7, the electromagnetic pressure releasing valve 17 is arranged on the pressure releasing pipe 16, and a pipe orifice of the air outlet pipe 19 positioned in the mounting seat 12 is in sealed connection with the output end of the air storage tank 14.
In this embodiment, the electromagnetic relief valve 17 is a one-way valve, so that the sanitation inside the U-shaped tube 7 can be further improved.
The outer wall of the monitor 1 is provided with a display screen 20, a key module 21, an interface module 22 and a loudspeaker 23, a PCB 24 and a power module 25 are arranged in a containing cavity in the monitor, and a processing module 26 and a storage module 27 are arranged on the PCB 24; the content displayed on the display 20 includes, but is not limited to, a monitored value of the first air pressure sensor 9, a monitored value of the second air pressure sensor 13, a state of the electronic gyroscope 4, a monitored value of the distance sensor 8, an operating state of the electromagnetic pressure release valve 17, an electric quantity of the power supply module 25, an air capacity inside the air storage tank 14, an operating state of the air pressure switch 43, an operating state of the ultraviolet lamp 50, and an operating state of the air pump 41; wherein the memory module 27 is used for storing corresponding control programs and data, wherein the interface module 22 is used for the electrical connection of the PCB board 24 with an external power source (including but not limited to ac 220V mains) and other electrical components (including but not limited to the first air pressure sensor 9, the second sensor, the distance sensor 8, the electromagnetic pressure relief valve 17, the air pump 41, the ultraviolet lamp 50, the air pressure switch 43, the electromagnetic discharge valve 37, etc.).
The top corners of the bottom of the monitor 1 are provided with flexible anti-slip pad feet 28, and negative pressure grooves 29 are uniformly distributed on the bottom surface of the anti-slip pad feet 28 (so that the anti-slip pad feet 28 can be firmly adsorbed on a tabletop, and the monitor 1 is effectively prevented from sliding on the tabletop); thus, the stability of the monitor 1 on the tabletop can be improved; the non-slip mat foot 28 is made of a rubber material in this embodiment.
A positioning table 30 matched with the U-shaped pipe 7 is fixed on the outer wall of the pipe body in the middle of the U-shaped pipe 7 in a sleeved mode, a plug-in block 31 is fixed at the bottom of the positioning table 30, a plug-in groove 32 matched with the plug-in block 31 is formed in the plate body at the top of the supporting plate 3, and an adsorption magnet 35 is arranged in the plug-in block 31 and in the bottom wall of the plug-in groove 32 of the supporting plate 3; thus, the U-shaped pipe 7 can be stably and reliably vertically arranged on the supporting plate 3, and the U-shaped pipe 7 can be conveniently detached from the supporting plate 3.
The distance measurement principle of the laser sensor adopting the phase method is as follows:
phase methods are those in which one or more low frequencies (relative to the frequency of the light) are modulated onto a laser, similar to a radio station modulating an audio signal onto a radio frequency signal. The specific method comprises the following steps: when the laser output power is controlled by the low-frequency signal, the power of the received laser reflected signal also changes along with the low-frequency signal, and the distance of the reflecting surface can be calculated by comparing the phase of the received signal with the phase of the output signal:
d: distance, C: light speed, Φ: phase shift, f: measuring tape frequency (i.e. low frequency signal frequency)
From the above formula, it can be deduced that: when the detection accuracy of the phase difference is unchanged, the higher the frequency is, the smaller the minimum D that can be obtained is, and the higher the accuracy of measurement is.
Notably, are:
let object a be distance d1=x
When object B is at a distance d2=x+nc/2 f (n=1, 2, 3.) the system will not be able to distinguish between the two distances because B is just an integer multiple of half a wavelength more than a, then just an integer multiple of one wavelength more on a round. Thus, phase-method ranging is range-limited, with ranges less than half the wavelength of the modulated signal.
In order to achieve both range and accuracy, a typical phase range finder uses signals of several frequencies to perform modulation simultaneously, i.e. a plurality of measuring scales are used simultaneously.
Limiting rings 34 matched with the floats 33 are arranged in the pipe bodies at the two ends of the U-shaped pipe 7, and the two limiting rings 34 are identical in height in the vertical direction and are positioned above the floats 33, so that the limiting rings 34 can be prevented from moving in the U-shaped pipe 7 without limitation, and meanwhile, the overflow of detection liquid in the U-shaped pipe 7 from the connecting pipe 11 can be effectively avoided.
The tube bodies at two ends of the U-shaped block are provided with scale marks, so that doctors can directly know the intracranial pressure of patients by observing the liquid level of the detection liquid in the U-shaped tube 7, and the U-shaped tube 7 is made of hard transparent materials meeting medical standards.
The pipe orifice of the outer end of the connecting pipe 11 on the left end pipe body of the U-shaped pipe 7 is connected with a three-way pipe in a sealing way, and the other two pipe bodies of the three-way pipe are respectively provided with an electromagnetic discharge valve 37 and a drainage pipe 38; wherein the other end of the drainage tube 38 communicates with the patient's cranium, thereby transmitting the pressure in the patient's cranium into the left-end body of the U-tube 7; wherein the three-way pipe is provided with a pipe body of the electromagnetic discharge valve 37 to function as; when the intracranial pressure of the patient is too high, a doctor can instruct the electromagnetic discharge valve 37 to open through the key module 21 so as to release the redundant intracranial pressure of the patient; notably, the electromagnetic discharge valve 37 employs a one-way valve.
The support plate 3 is also provided with a purification component connected with the input end of the air storage tank 14, the purification component comprises a dust removal box 39, a disinfection box 40 and an air pump 41, and the output end of the dust removal box 39, the input end of the disinfection box 40, the output end of the disinfection box 40, the input end of the air pump 41, the output end of the air pump 41 and the input end of the air storage tank 14 are sequentially communicated through an air guide pipe 42; the air pressure switch 43 controlled by the monitor 1 is also arranged on the air storage tank 14, so that the air pressure in the air storage tank 14 can be ensured to be always maintained at a proper value; in this embodiment, the dust box 39 is a high efficiency air filter, so that the air entering the air reservoir 14 is free of dust and aerosols.
Four partition boards 44 are symmetrically arranged in the disinfection box 40, a first disinfection cavity 45 is arranged in a space area between two partition boards 44 closest to one end of the disinfection box 40, a second disinfection cavity 46 is arranged in a space area between two partition boards 44 closest to the other end of the disinfection box 40, a group of transparent spiral pipes 47 are arranged in the first disinfection cavity 45, a group of silver spiral pipes 48 are arranged in the second disinfection cavity 46, pipe orifices of the transparent spiral pipes 47 and the silver spiral pipes 48 are fixedly connected with corresponding pipe grooves 49 on the corresponding partition boards 44 in a sealing mode, and ultraviolet lamps 50 controlled by the monitor 1 are arranged on the inner wall of the first disinfection cavity 45; under the double sterilization and disinfection effects of ultraviolet rays and silver ions, the gas in the gas storage tank 14 can be ensured to be clean and sanitary, so that the cleaning and sanitation of the detection liquid in the U-shaped pipe 7 are ensured, and the risk of intracranial infection of a patient is effectively reduced.
Wherein, the design of the transparent spiral tube 47 and the silver spiral tube 48 can make the disinfection box 40 have smaller volume under the premise of unchanged efficiency.
The inner wall of the first sterilizing chamber 45 is uniformly plated with a reflective layer 51; this increases the ultraviolet coverage inside the first sterilization chamber 45, thereby improving the sterilization ability of ultraviolet rays.
In this embodiment, the wavelength of the ultraviolet light emitted from the ultraviolet lamp 50 is 240-280 nm, and further, the wavelength of the ultraviolet light emitted from the ultraviolet lamp 50 is 253.7nm, because the ultraviolet light of the wavelength has the most bactericidal effect.
The working principle of the novel intracranial pressure monitoring device provided by the embodiment is as follows:
in the first step, the processing module 26 monitors the air pressure inside the right pipe body of the U-shaped pipe 7 and the air pressure outside through the first air pressure sensor 9 and the second air pressure sensor 13 in real time, compares whether the air pressure inside the right pipe body of the U-shaped pipe 7 and the air pressure outside, and if the air pressure inside the right pipe body of the U-shaped pipe 7 and the air pressure outside are equal, the processing module 26 controls the air storage tank 14 and the electromagnetic pressure release valve 17 to enable the air pressure inside the right pipe body of the U-shaped pipe 7 to be equal.
The second step, the processing module 26 monitors the intracranial pressure of the patient in real time through the first air pressure sensor 9 at the left end of the U-shaped tube 7 (because the tube body at the left end of the U-shaped tube 7 is communicated with the intracranial pressure of the patient); meanwhile, the processing module 26 monitors the liquid levels of the two end pipe bodies of the U-shaped pipe 7 in real time through the two distance sensors 8, so that the liquid level difference of the two end pipe bodies of the U-shaped pipe 7 is obtained, and the air pressure in the left end pipe body of the U-shaped pipe 7 is measured (wherein the density of the detection liquid is known, and the air pressure in the right end pipe body of the U-shaped pipe 7 is known (equal to the air pressure of the outside)); the processing module 26 then performs a comprehensive process (e.g., averaging) on the air pressure measured in the right-end tube body of the U-tube 7 in two ways to obtain a more accurate value.
Notably, when the processing module 26 detects that the intracranial pressure of the patient is too high or too low in the second step, the processing module 26 instructs the speaker 23 to alarm, thereby reminding the doctor (nurse) of the previous treatment. It should be noted that, in the practical application process of the product of the present invention, a wireless module may be further disposed on the PCB board 24, so that when the monitor 1 detects an intracranial pressure abnormality in the patient, the processing module 26 may notify the emergency control center system of the hospital through the wireless module.
The present invention is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present invention without departing from the technical content of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (9)
1. A novel intracranial pressure monitoring device, characterized in that: comprises a monitor (1), a horizontal component controlled by the monitor, a detection component and a balance component;
the horizontal component comprises an electric telescopic rod (2), a supporting plate (3) and an electronic gyroscope (4), wherein the electric telescopic rod (2) is arranged at the vertex angle of the top surface of the monitor (1), a hinged ball (5) is arranged at the top of the electric telescopic rod (2), a spherical hinge seat (6) matched with the hinged ball (5) is arranged at the vertex angle of the bottom plate surface of the supporting plate (3), and the electronic gyroscope (4) is arranged on the bottom plate surface of the supporting plate (3);
the detection assembly comprises a U-shaped pipe (7), a distance sensor (8) and a first air pressure sensor (9), wherein the U-shaped pipe (7) is vertically arranged on a supporting plate (3), sealing plugs (10) are arranged at pipe openings of the U-shaped pipe (7), the distance sensor (8) and the first air pressure sensor (9) are arranged at the bottoms of the sealing plugs (10), connecting pipes (11) are arranged on pipe bodies, close to the pipe openings, of the U-shaped pipe (7), and detection liquid is filled in the U-shaped pipe (7); floats (33) floating on the liquid level of the detection liquid are arranged in the pipe bodies at the two ends of the U-shaped pipe (7); scale marks are arranged on the pipe bodies at two ends of the U-shaped pipe (7), and a mirror surface layer (36) is uniformly plated on the upper end surface of the floater (33);
the balance assembly comprises a mounting seat (12), a second air pressure sensor (13), an air storage tank (14), an air supplementing pipe (15), a pressure releasing pipe (16) and an electromagnetic pressure releasing valve (17), wherein the mounting seat (12) is arranged on a supporting plate (3), the second air pressure sensor (13) is arranged on the outer surface of the mounting seat (12), the air storage tank (14) is arranged in a mounting groove (18) at the top of the mounting seat (12), an air outlet pipe (19) at the top of the mounting seat (12) is connected with a connecting pipe (11) on the right-end pipe body of a U-shaped pipe (7) in a sealing mode through the air supplementing pipe (15), the pressure releasing pipe (16) is arranged on the pipe body at the right end of the U-shaped pipe (7), the electromagnetic pressure releasing valve (17) is arranged on the pressure releasing pipe (16), and an pipe orifice in the air outlet pipe (19) is arranged in the mounting seat (12) is connected with the output end of the air storage tank (14) in a sealing mode.
The pipe mouth of the outer end of the connecting pipe (11) on the left end pipe body of the U-shaped pipe (7) is connected with a three-way pipe in a sealing mode, and an electromagnetic discharge valve (37) and a drainage pipe (38) are respectively arranged on the other two pipe bodies of the three-way pipe.
2. The novel intracranial pressure monitoring device according to claim 1, wherein a display screen (20), a key module (21), an interface module (22) and a loudspeaker (23) are arranged on the outer wall of the monitor (1), a PCB (24) and a power module (25) are arranged in a containing cavity inside the monitor (1), and a processing module (26) and a storage module (27) are arranged on the PCB (24).
3. The novel intracranial pressure monitoring device as recited in claim 2, wherein flexible anti-slip pad feet (28) are arranged at the top corners of the bottom of the monitor (1), and negative pressure grooves (29) are uniformly distributed on the bottom surface of the anti-slip pad feet (28).
4. The novel intracranial pressure monitoring device according to claim 1, wherein a positioning table (30) matched with the U-shaped tube (7) is sleeved on the outer wall of the tube body in the middle of the U-shaped tube, a plug-in block (31) is fixed at the bottom of the positioning table (30), and a plug-in groove (32) matched with the plug-in block (31) is formed in the plate body at the top of the supporting plate (3); limiting rings (34) matched with the floats (33) are arranged in the pipe bodies at two ends of the U-shaped pipe (7), and the two limiting rings (34) are identical in height in the vertical direction and are located above the floats (33).
5. The novel intracranial pressure monitoring device according to claim 4, wherein the inside of the plug block (31) and the inside of the supporting plate (3) at the bottom wall of the plug groove (32) are provided with adsorption magnets (35); the U-shaped tube (7) is made of hard transparent materials meeting medical standards.
6. The novel intracranial pressure monitoring device as recited in claim 1, wherein the distance sensor (8) is a laser sensor, and the working principle of the distance sensor (8) is any one of a phase method and a laser triangulation method.
7. The novel intracranial pressure monitoring device according to claim 1, wherein the supporting plate (3) is further provided with a purifying component connected with the input end of the air storage tank (14), the purifying component comprises a dust removing box (39), a sterilizing box (40) and an air pump (41), and the output end of the dust removing box (39), the input end of the sterilizing box (40), the output end of the sterilizing box (40), the input end of the air pump (41), the output end of the air pump (41) and the input end of the air storage tank (14) are sequentially communicated through an air guide pipe (42); the air storage tank (14) is also provided with an air pressure switch (43) controlled by the monitor (1).
8. The novel intracranial pressure monitoring device as recited in claim 7, wherein four partition plates (44) are symmetrically arranged in the disinfection box (40), a space area between two partition plates (44) closest to one end of the disinfection box (40) is a first disinfection cavity (45), a space area between two partition plates (44) closest to the other end of the disinfection box (40) is a second disinfection cavity (46), a group of transparent spiral pipes (47) are arranged in the first disinfection cavity (45), a group of silver spiral pipes (48) are arranged in the second disinfection cavity (46), the pipe orifices of the transparent spiral pipes (47) and the silver spiral pipes (48) are fixedly connected with corresponding pipe grooves (49) on the corresponding partition plates (44) in a sealing mode, and ultraviolet lamps (50) controlled by the monitor (1) are arranged on the inner wall of the first disinfection cavity (45).
9. The novel intracranial pressure monitoring device as recited in claim 8, wherein the inner wall of the first sterilization chamber (45) is uniformly coated with a reflective layer (51).
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| CN202110495269.1A CN113288104B (en) | 2021-05-07 | 2021-05-07 | Novel intracranial pressure monitoring device |
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| CN202110495269.1A CN113288104B (en) | 2021-05-07 | 2021-05-07 | Novel intracranial pressure monitoring device |
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| FR2384482A1 (en) * | 1977-03-25 | 1978-10-20 | Anvar | Sensor for monitoring intracranial pressure - has gas capsule with membrane contacting skull outer membrane to control pressure transducer |
| US4172449A (en) * | 1978-05-01 | 1979-10-30 | New Research And Development Laboratories, Inc. | Body fluid pressure monitor |
| US4621647A (en) * | 1982-08-10 | 1986-11-11 | Medex, Inc. | Intracranial pressure regulating system |
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| CN207168490U (en) * | 2017-12-15 | 2018-04-03 | 刘长纲 | A kind of novel and multifunctional pressure-measuring pipe |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20160051801A1 (en) * | 2014-08-19 | 2016-02-25 | Minnetronix, Inc. | Devices and Systems for Access and Navigation of Cerebrospinal Fluid Space |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4003141A (en) * | 1975-04-01 | 1977-01-18 | New Research And Development Lab., Inc. | Intracranial pressure monitoring device |
| FR2384482A1 (en) * | 1977-03-25 | 1978-10-20 | Anvar | Sensor for monitoring intracranial pressure - has gas capsule with membrane contacting skull outer membrane to control pressure transducer |
| US4172449A (en) * | 1978-05-01 | 1979-10-30 | New Research And Development Laboratories, Inc. | Body fluid pressure monitor |
| US4621647A (en) * | 1982-08-10 | 1986-11-11 | Medex, Inc. | Intracranial pressure regulating system |
| CN204337372U (en) * | 2014-12-19 | 2015-05-20 | 中国人民解放军第四军医大学 | A kind of drainage of cerebrospinal fluid device that drainage tube can be kept unimpeded |
| CN207168490U (en) * | 2017-12-15 | 2018-04-03 | 刘长纲 | A kind of novel and multifunctional pressure-measuring pipe |
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| CN113288104A (en) | 2021-08-24 |
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