CN107684412A - One kind miniaturization upper digestive tract dynamic ph Impedance monitoring device - Google Patents
One kind miniaturization upper digestive tract dynamic ph Impedance monitoring device Download PDFInfo
- Publication number
- CN107684412A CN107684412A CN201710938811.XA CN201710938811A CN107684412A CN 107684412 A CN107684412 A CN 107684412A CN 201710938811 A CN201710938811 A CN 201710938811A CN 107684412 A CN107684412 A CN 107684412A
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- 210000001035 gastrointestinal tract Anatomy 0.000 title claims abstract description 17
- 238000012806 monitoring device Methods 0.000 title claims abstract description 17
- 230000005611 electricity Effects 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 230000013011 mating Effects 0.000 claims 1
- 238000002847 impedance measurement Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003238 esophagus Anatomy 0.000 description 1
- 208000021302 gastroesophageal reflux disease Diseases 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 210000003928 nasal cavity Anatomy 0.000 description 1
- 238000011022 operating instruction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/42—Detecting, measuring or recording for evaluating the gastrointestinal, the endocrine or the exocrine systems
- A61B5/4222—Evaluating particular parts, e.g. particular organs
- A61B5/4233—Evaluating particular parts, e.g. particular organs oesophagus
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/053—Measuring electrical impedance or conductance of a portion of the body
- A61B5/0538—Measuring electrical impedance or conductance of a portion of the body invasively, e.g. using a catheter
-
- 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
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6867—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive specially adapted to be attached or implanted in a specific body part
- A61B5/687—Oesophagus
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Physiology (AREA)
- Endocrinology (AREA)
- Gastroenterology & Hepatology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses one kind to minimize upper digestive tract dynamic ph Impedance monitoring device, including pH impedance sensings electrode, medical catheter, pH impedances recorder and background terminal.PH impedance sensing electrodes are arranged on medical catheter interior forward end, and pH impedance sensings electrode is connected by the wire being arranged in medical catheter with pH impedance recorders.Collection front-end circuit, controller, radio receiving transmitting module and power management module are provided with pH impedances recorder.Power management module includes power management chip LTC4413 and main power source battery BT1, backup battery BT2, and power management chip LTC4413 selects the side that voltage is high in main power source battery BT1 and backup battery BT2 to provide power supply for load.Present invention employs battery hot plug mode to allow equipment to keep working long hours, and has broken away from the limitation of battery electric quantity and equipment power dissipation, has realized unremitting pH impedance measurements, so as to which more miniaturized products and battery size, the wearing for more optimizing wearer are experienced.
Description
Technical field
The present invention relates to one kind to minimize upper digestive tract dynamic ph Impedance monitoring device.
Background technology
The current joint-detection of pH impedances in 24 hours turns into the standard detection scheme of diagnosis GERD.It is mainly logical
Cross and insert the conduit for carrying pH sensors and impedance electrodes in esophagus by human body nasal cavity, and the connection collection of the other end of conduit
Device.Due to the needs of Precise Diagnosis, one side data acquisition needs have higher sample frequency, and another aspect data at least need
There is the record of 24 hours.In addition data collecting instrument needs to carry with and influences wearer's daily life less as far as possible.These requirements
Us are pursued not only to have minimized but also the product of low-power consumption.Numerous pH impedances combination detecting devices use No. 5 batteries at this stage, pass through
Power consumption is reduced to ensure the continuous work of 24 hours.Single battery ensures that the sampling of 24 hours can meet that pH- impedances in 24 hours are examined
The basic demand of survey, but have following defect:The requirement of one, low-power consumption limits the free degree of signal acquisition to a certain extent：
Such as sample rate and the characteristic frequency for the impedance that gathers.Two, have limited to the further miniaturization of product using dry cell, so that
The comfort level of wearer is influenceed to a certain extent.The three, monocells stand-by times of 1-2 days limit pH impedances it is continuous recording when
Between.
The content of the invention
It is an object of the invention to provide a kind of size it is more compact, sampling continuity preferably minimize upper digestive tract dynamic
PH Impedance monitoring devices.
Realizing the technical scheme of the object of the invention is：One kind miniaturization upper digestive tract dynamic ph Impedance monitoring device, including
PH impedance sensings electrode, medical catheter, pH impedances recorder and background terminal.
The pH impedance sensings electrode is arranged on medical catheter interior forward end, and pH impedance sensings electrode is medical by being arranged on
Wire in conduit is connected with pH impedance recorders；Circuit arrangement is provided with the pH impedances recorder, circuit arrangement includes electricity
Source control module；The power management module includes power management chip and the main power source being electrically connected with power management chip
Battery BT1, backup battery BT2；When the main power source battery BT1, backup battery BT2 are connected on power management chip simultaneously,
The high side of voltage provides power supply for load in power management chip selection main power source battery BT1 and backup battery BT2；The pH
Impedance recorder includes the main body of box like structure, and main body both sides are respectively equipped with the battery compartment of setting-in battery；It is provided with the main body
Battery latch mechanism, any one piece of battery in the changeable pinning main power source battery BT1 and backup battery BT2 of battery latch mechanism.
The battery lock includes the closure of the U-shaped structure of left and right lateral projection, and closure includes card article and the company at both ends
The connection strap of both ends card article is connect, connection strap lower surface is provided with rack structure.Cunning is fixedly connected with the closure upper surface
Dynamic switch.Side body is provided with the sliding groove of front and rear extension in the main body.The battery lock is slidably connected by slide switch
In sliding groove in main body on side body.
The pair of safety block is separately positioned on the rear and front end outer fix of battery lock, and safety block includes what is laterally set
Fixture block and longitudinally disposed jacking block, fixture block upper end are provided with the bayonet socket being connected with the card article of battery lock, the safety block at both ends
On bayonet socket be separately positioned on the left and right sides.The safety block can move in main body along left and right directions.
The pair of back-moving spring is separately positioned on the left and right sides of the safety block at both ends, back-moving spring and the insurance per one end
Block upper latch notch is arranged in not homonymy.Described back-moving spring one end is fixed on body interior housing, and the other end is fixed on safety block
On.
The rotating disk is arranged on the lower section of battery lock, including the fixed plate of rectangular plate type structure and is arranged on a fixed plate left side
Gear on right either side, gear engage with the rack structure on the connection strap lower surface of battery lock.The fixed plate, which rotates, to be connected
It is connected on body interior.
The battery dead bolt includes the dead bolt connection strap being fixedly connected on rotating disk fixed plate lower surface, dead bolt connection strap
Rear and front end stretches out and protruded on the front/rear end of fixed plate.Divide on the upper surface of the dead bolt connection strap rear and front end
She You not dead bolt.
The battery connector socket is set towards the left and right sides of main body, battery connector socket and internal power supply circuit
Connection.The battery compartment is provided with battery compartment socket on the housing of battery connector tap position.
The battery is provided with the electricity being connected with the battery connector socket in main body with the side that battery compartment coordinates
Pond connector male head.When the battery is embedded in battery compartment, battery connector male is passed through in battery compartment socket and main body
Battery connector socket is connected, and battery connector male withstands safety block and it is moved to battery installation direction.It is described
The lower surface of battery connector male is provided with the sealed groove being connected with the dead bolt on battery dead bolt.
In the battery lock, slide switch is I-shaped structure, and slide switch in the middle part of I-shaped structure by being embedded in and sliding
It is dynamic to be connected in main body in the sliding groove on side body.
The battery lock includes pair of sliding switch.The pair of slide switch is separately fixed at the card at closure both ends
Bar upper end.
In the closure, the plane projection of connection strap is L-type structure, and the card article at connection strap both ends is wrong in the longitudinal direction
Open up and put.
The safety block is provided with the spring eye being connected with back-moving spring, and back-moving spring is fixedly mounted on spring eye
It is interior.
The battery compartment flushes with main body both sides side.
Collection front-end circuit, controller, radio receiving transmitting module and power management mould are provided with the pH impedances recorder
Block；The signal of pH impedance sensing electrode detections is transferred to controller by the collection front-end circuit, passes through nothing after controller processing
Line transceiver module is transferred to background terminal；The power management module include power management chip LTC4413 and with power supply pipe
Manage the main power source battery BT1 of chip LTC4413 INA pins connection, be connected with power management chip LTC4413 INB pins
Backup battery BT2, the high side of voltage in power management chip LTC4413 selections main power source battery BT1 and backup battery BT2
Power supply is provided for load.
The positive pole of the main power source battery BT1 is connected with PMOS Q1 D poles, main power source battery BT1 negative pole ground connection；Institute
The D poles for stating PMOS Q1 are connected with main power source battery BT1 positive pole, and S poles and power management chip LTC4413 INA pins connect
Connect, G poles ground connection；Described TVS diode D1 one end is connected between main power source battery BT1 positive pole and PMOS Q1 D poles, separately
One end is grounded；The OUTA pins of the power management chip LTC4413 are grounded by electric capacity C2.
The positive pole of the backup battery BT2 is connected with PMOS Q2 D poles, backup battery BT2 negative pole ground connection.It is described
PMOS Q2 D poles are connected with backup battery BT2 positive pole, and S poles are connected with power management chip LTC4413 INB pins, G
Pole is grounded.Described TVS diode D2 one end is connected between backup battery BT2 positive pole and PMOS Q2 D poles, another termination
Ground.The INB pins of the power management chip LTC4413 are grounded by electric capacity C1, and OUTB pins are grounded by electric capacity C2.
The power management module also includes indicating circuit, and indicating circuit includes resistance R1, resistance R2 and light-emitting diodes
Pipe LED1, wherein, one end is connected to PMOS Q2 S poles after resistance R1 and LED 1 are connected, and the other end is connected to
Power management chip LTC4413 STAT pins.The STAT that the resistance R2 both ends connect again power management chip LTC4413 draws
Between pin and OUTA pins.
The background terminal is PC or mobile communication equipment with wireless receiver.
Above-mentioned technical proposal is employed, the present invention has following beneficial effect：(1) present invention employs battery hot plug
Mode allows equipment to keep working long hours, and has broken away from the limitation of battery electric quantity and equipment power dissipation, realizes that unremitting pH impedances are surveyed
Amount, so as to which more miniaturized products and battery size, the wearing for more optimizing wearer are experienced.
(2) present invention using wireless telecommunications realization with wireless terminal come controlling equipment.PH products in the market are basic
Liquid crystal display and button are equipped with, and this equipment eliminates these hardware, is operated by controlled in wireless end, so as to save equipment again
Volume.
(3) battery of the invention is hot-swappable has prompt facility to prompt user's current state whether can be with circuit design
Change battery, at the same in mechanism design by the cooperation used batteries of closure only in the case where new battery accesses
It can unload, improve battery powered insurance, safety in utilization and monitoring stability are more preferable.
(4) the battery of the invention equipment in switching carries defencive function, prevents because surge caused by battery switching
The damage to equipment is brought with impact.
Brief description of the drawings
In order that present disclosure is easier to be clearly understood, it is right below according to specific embodiment and with reference to accompanying drawing
The present invention is described in further detail, wherein
Fig. 1 is the module diagram of the pH impedance recorders of the present invention.
Fig. 2 is the pH impedance recorder structural representations of the present invention.
Fig. 3 is Fig. 2 configuration schematic diagram.
Fig. 4 is the battery structure schematic diagram in Fig. 3.
Fig. 5 is the battery lock mechanism structure schematic diagram in Fig. 3.
Fig. 6 is the battery lock structural representation in Fig. 5.
Fig. 7 is the safety block structure schematic diagram in Fig. 5.
Fig. 8 is rotating disk and battery dead bolt cooperation schematic diagram in Fig. 5.
Fig. 9 is the circuit diagram of power management module in Fig. 1.
Embodiment
(embodiment 1)
As shown in Figure 1, a kind of miniaturization upper digestive tract dynamic ph Impedance monitoring device of the present embodiment, including pH impedance sensings
Electrode 1, medical catheter 2, pH impedances recorder 3 and background terminal 4.Background terminal 4 is the PC with wireless receiver or shifting
Dynamic communication apparatus.PH impedance sensings electrode 1 is arranged on the interior forward end of medical catheter 2, and pH impedance sensings electrode 1 is by being arranged on doctor
It is connected with the wire 5 in conduit 2 with pH impedances recorder 3.
Fig. 2 to Fig. 7 show the structural representation of pH impedance recorders.PH impedances recorder 3 includes the master of box like structure
Body 3-1, main body 3-1 both sides are respectively equipped with setting-in battery 3-2 battery compartment 3-3.Battery latch mechanism 3-4 is provided with main body 3-1, electricity
Pond latch mechanism 3-4 answers including battery lock 3-4-1, a pair of safety block 3-4-2 for being arranged on battery lock 3-4-1 rear and front ends, a pair
Position spring 3-4-3, rotating disk 3-4-4, battery dead bolt 3-4-5 and a pair of battery connector socket 3-4-6.
Battery lock 3-4-1 includes the closure of the U-shaped structure of left and right lateral projection, and closure includes the card article 3-4-1- at both ends
1 and connection both ends card article 3-4-1-1 connection strap 3-4-1-2, connection strap 3-4-1-2 lower surfaces are provided with rack structure 3-4-
1-3.Connection strap 3-4-1-2 plane projection is L-type structure, and the card article 3-4-1-1 at connection strap 3-4-1-2 both ends is in fore-and-aft direction
Upper stagger setting.Slide switch 3-4-1-4 is fixedly connected with closure upper surface.Side body is provided with front and rear on main body 3-1
The sliding groove of extension.Battery lock 3-4-1 is slidably connected at the slip on main body 3-1 on side body by slide switch 3-4-1-4
In groove.Slide switch 3-4-1-4 is I-shaped structure, and slide switch in the middle part of I-shaped structure by being embedded in and being slidably connected at master
In sliding groove on body 3-1 on side body.Battery lock 3-4-1 includes pair of sliding switch 3-4-1-4.Pair of sliding switchs 3-
4-1-4 is separately fixed at the card article 3-4-1-1 upper ends at closure both ends.
A pair of safety block 3-4-2 are separately positioned on battery lock 3-4-1 rear and front end outer fix, safety block 3-4-2 bags
Include the fixture block 3-4-2-1 laterally set and longitudinally disposed jacking block 3-4-2-2, fixture block 3-4-2-1 upper end are provided with and battery lock
Bayonet socket 3-4-2-3 difference on the bayonet socket 3-4-2-3 that 3-4-1 card article 3-4-1-1 is connected, the safety block 3-4-2 at both ends
It is arranged on the left and right sides.Safety block 3-4-2 can be moved in main body 3-1 along left and right directions.
A pair of back-moving spring 3-4-3 are separately positioned on the safety block 3-4-2 at both ends left and right sides, back-moving spring 3-4-3 with
Safety block 3-4-2 upper latch notches 3-4-2-3 per one end is arranged in not homonymy.Back-moving spring 3-4-3 one end is fixed in main body 3-1
On portion's housing, the other end is fixed on safety block 3-4-2.Safety block 3-4-2 is provided with what is be connected with back-moving spring 3-4-3
Spring eye 3-4-2-4, back-moving spring 3-4-3 are fixedly mounted in spring eye 3-4-2-4.
Rotating disk 3-4-4 is arranged on battery lock 3-4-1 lower section, including the fixed plate 3-4-4-1 of rectangular plate type structure and
The gear 3-4-4-2 being arranged on fixed plate 3-4-4-1 or so either side, gear 3-4-4-2 and battery lock 3-4-1 connection strap
Rack structure 3-4-1-3 engagements on 3-4-1-2 lower surfaces.Fixed plate 3-4-4-1 is rotatably connected on inside main body 3-1.
Battery dead bolt 3-4-5 includes the dead bolt connection strap being fixedly connected on rotating disk 3-4-4 fixed plate 3-4-4-1 lower surfaces
3-4-5-1, dead bolt connection strap 3-4-5-1 rear and front end stretch out and protruded on fixed plate 3-4-4-1 front/rear end.
Dead bolt 3-4-5-2 is respectively equipped with the upper surface of dead bolt connection strap 3-4-5-1 rear and front ends.
Battery connector socket 3-4-6 towards main body 3-1 left and right sides are set, battery connector socket 3-4-6 and inside
Power supply circuit connection.Battery compartment 3-3 is provided with battery compartment socket 3-3-1 on the housing of battery connector socket 3-4-6 positions.
The side that battery 3-2 and battery compartment 3-3 coordinates is provided with matches somebody with somebody with the battery connector socket 3-4-6 in main body 3-1
Close the battery connector male 3-2-1 of connection.When battery 3-2 is embedded in battery compartment 3-3, battery connector male 3-2-1 is worn
The battery connector socket 3-4-6 crossed in battery compartment socket 3-3-1 and main body 3-1 is connected, and battery connector male 3-
2-1, which withstands safety block 3-4-2, makes it be moved to battery 3-2 installation directions.Battery connector male 3-2-1 lower surface is provided with
The sealed groove 3-2-1-1 being connected with the dead bolt cooperation 3-4-5-2 on battery dead bolt 3-4-5.Battery compartment 3-3 and main body 3-1 both sides
Side flushes.
Hot-swappable operating instruction：Assuming that the battery 3-2 on right side is in running order, left side battery 3-2 is pressed into access electricity
The battery connector socket 3-4-6 in battery connector male 3-2-1 insertion main bodys 3-1 on pond storehouse 3-3, battery 3-2, circuit
The power management module 6-4 of device 6 decides whether to prompt user to switch battery according to two battery electric quantities.Battery connector male
When 3-2-1 inserts battery connector socket 3-4-6, battery connector male 3-2-1 extrudes to the right the safety block 3-4-2 of rear side,
Safety block 3-4-2 moves right under back-moving spring 3-4-3 contraction so that battery lock 3-4-1 card article 3-4-1-1 is from insurance
Removed in bayonet socket 3-4-2-3 on block 3-4-2, because the battery 3-2 on right side has been inlaid in the battery compartment 3-3 of right side, so
The battery lock 3-4-1 on right side card article 3-4-1-1 is not also in bayonet socket 3-4-2-3, therefore slide switch 3-4-1-4 can be promoted and cut
Battery is changed, the gear 3-4-4-2 on side direction promotion slide switch 3-4-1-4, rotating disk 3-4-4 is on battery lock 3-4-1 forward
Rack structure 3-4-1-3 driving under rotate clockwise, the dead bolt 3-4-5-2 on rear side of dead bolt connection strap 3-4-5-1 is raised upwards
Until being caught in the sealed groove 3-2-1-1 of battery 3-2 battery connector male 3-2-1 lower surfaces, now the desirable lower right side of user is electric
After pond 3-2, battery 3-2 take out, the safety block 3-4-2 on right side moves right in the presence of back-moving spring 3-4-3, safety block 3-
Bayonet socket 3-4-2-3 on 4-2 is stuck on right side battery lock 3-4-1 card article 3-4-1-1, pins battery lock 3-4-1.
As shown in figure 1, it is provided with circuit arrangement 6 in pH impedances recorder 3.Circuit arrangement includes collection front-end circuit 6-1, control
Device 6-2, radio receiving transmitting module 6-3 and power management module 6-4 processed.Collection front-end circuit 6-1 examines pH impedance sensings electrode 1
The signal of survey is transferred to controller 6-2, and background terminal 4 is transferred to by radio receiving transmitting module 6-3 after controller 6-2 processing.Electricity
Source control module 6-4 includes power management chip LTC4413 and is connected with power management chip LTC4413 INA pins
Main power source battery BT1, the backup battery BT2 being connected with power management chip LTC4413 INB pins, power management chip
The high side of voltage provides power supply for load in LTC4413 selections main power source battery BT1 and backup battery BT2.
As shown in figure 8, main power source battery BT1 positive pole is connected with PMOS Q1 D poles, main power source battery BT1 negative pole
Ground connection.PMOS Q1 D poles are connected with main power source battery BT1 positive pole, S poles and power management chip LTC4413 INA pins
Connection, G poles ground connection.TVS diode D1 one end is connected between main power source battery BT1 positive pole and PMOS Q1 D poles, another
End ground connection.Power management chip LTC4413 OUTA pins are grounded by electric capacity C2.
Backup battery BT2 positive pole is connected with PMOS Q2 D poles, backup battery BT2 negative pole ground connection.PMOS Q2's
D poles are connected with backup battery BT2 positive pole, and S poles are connected with power management chip LTC4413 INB pins, G poles ground connection.TVS
Diode D2 one end is connected between backup battery BT2 positive pole and PMOS Q2 D poles, other end ground connection.Power management core
Piece LTC4413 INB pins are grounded by electric capacity C1, and OUTB pins are grounded by electric capacity C2.
Power management module 3-4 also includes indicating circuit, and indicating circuit includes resistance R1, resistance R2 and light emitting diode
LED1, wherein, one end is connected to PMOS Q2 S poles after resistance R1 and LED 1 are connected, and the other end is connected to electricity
Source control chip LTC4413 STAT pins.Resistance R2 both ends connection again power management chip LTC4413 STAT pins and
Between OUTA pins.
When circuit arrangement connects, when circuit does not access backup battery BT2, power management chip LTC4413 connects load
It is connected to main power source battery BT1.Now, STAT pin voltages are in high level, and indicator lamp will not be bright.If in main power source battery
When BT1 electricity will be low to be exhausted, a fully charged back-up source battery BT2 is connected, then load voltage will be with being connected to INB
Ideal diode between pin and OUTB pins is turned on and risen.The back-up source battery BT2 voltages newly accessed exceed main power source
Battery BT1 voltages, main power source battery BT1 will be immediately with loading disconnecting.Also, STAT pin voltages decline, so that indicator lamp
Brighten, it is safe to remove main power source battery BT1 with prompting.
When back-up source battery BT2 is after working long hours, electricity and voltage necessarily decline.Now main power source is terminated
Enter new battery or fully charged battery BT1, then back-up source battery BT2 will be immediately with loading disconnecting.Also, STAT pins electricity
Pressure rises, and is gone out so as to which indicator lamp becomes, it is safe that back-up source battery BT2 is removed in instruction.
When battery is switched, LED1 states change, and represent that user can must change safely battery.
Particular embodiments described above, the purpose of the present invention, technical scheme and beneficial effect are carried out further in detail
Describe in detail it is bright, should be understood that the foregoing is only the present invention specific embodiment, be not intended to limit the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements done etc., it should be included in the guarantor of the present invention
Within the scope of shield.
Claims (10)
1. one kind miniaturization upper digestive tract dynamic ph Impedance monitoring device, it is characterised in that：Including pH impedance sensings electrode (1),
Medical catheter (2), pH impedances recorder (3) and background terminal (4)；
The pH impedance sensings electrode (1) is arranged on medical catheter (2) interior forward end, and pH impedance sensings electrode (1) passes through setting
Wire (5) in medical catheter (2) is connected with pH impedances recorder (3)；
Circuit arrangement (6) is provided with the pH impedances recorder (3), circuit arrangement (6) includes power management module (6-1)；Institute
State power management module (6-1) include power management chip and with power management chip be electrically connected with main power source battery BT1,
Backup battery BT2；When the main power source battery BT1, backup battery BT2 are connected on power management chip simultaneously, power management
The high side of voltage provides power supply for load in chip selection main power source battery BT1 and backup battery BT2；
The pH impedances recorder (3) includes the main body (3-1) of box like structure, and main body (3-1) both sides are respectively equipped with setting-in battery
The battery compartment (3-3) of (3-2)；Battery latch mechanism (3-4), battery latch mechanism (3-4) changeable lock are provided with the main body (3-1)
Firmly any one piece of battery (3-2) in main power source battery BT1 and backup battery BT2.
A kind of 2. miniaturization upper digestive tract dynamic ph Impedance monitoring device according to claim 1, it is characterised in that：
The battery latch mechanism (3-4) includes battery lock (3-4-1), is arranged on a pair of guarantors of battery lock (3-4-1) rear and front end
Dangerous block (3-4-2), a pair of back-moving springs (3-4-3), rotating disk (3-4-4), battery dead bolt (3-4-5) and a pair of battery connectors
Socket (3-4-6)；
The battery lock (3-4-1) includes the closure of the U-shaped structure of left and right lateral projection, and closure includes the card article (3- at both ends
4-1-1) and connection both ends card article (3-4-1-1) connection strap (3-4-1-2), connection strap (3-4-1-2) lower surface is provided with
Rack structure (3-4-1-3)；Slide switch (3-4-1-4) is fixedly connected with the closure upper surface；The main body (3-1)
Upper side body is provided with the sliding groove of front and rear extension；The battery lock (3-4-1) is slidably connected by slide switch (3-4-1-4)
In sliding groove in main body (3-1) on side body；
The pair of safety block (3-4-2) is separately positioned on the rear and front end outer fix of battery lock (3-4-1), safety block (3-
4-2) include the fixture block (3-4-2-1) and longitudinally disposed jacking block (3-4-2-2) laterally set, fixture block (3-4-2-1) upper end
Provided with the bayonet socket (3-4-2-3) with the mating connection of the card article (3-4-1-1) of battery lock (3-4-1), the safety block (3-4-2) at both ends
On bayonet socket (3-4-2-3) be separately positioned on the left and right sides；The safety block (3-4-2) can be along left and right in main body (3-1)
Move in direction；
The pair of back-moving spring (3-4-3) is separately positioned on the left and right sides of the safety block (3-4-2) at both ends, back-moving spring (3-
4-3) not homonymy is arranged in safety block (3-4-2) upper latch notch (3-4-2-3) per one end；The back-moving spring (3-4-3) one
End is fixed on main body (3-1) inner shell, and the other end is fixed on safety block (3-4-2)；
The rotating disk (3-4-4) is arranged on battery lock (3-4-1) lower section, includes the fixed plate (3-4-4- of rectangular plate type structure
And the gear (3-4-4-2) that is arranged on the either side of fixed plate (3-4-4-1) left and right, gear (3-4-4-2) and battery lock 1)
Rack structure (3-4-1-3) engagement on connection strap (3-4-1-2) lower surface of (3-4-1)；The fixed plate (3-4-4-1) turns
It is dynamic to be connected to main body (3-1) inside；
The battery dead bolt (3-4-5) includes the dead bolt being fixedly connected on rotating disk (3-4-4) fixed plate (3-4-4-1) lower surface
Connection strap (3-4-5-1), the rear and front end of dead bolt connection strap (3-4-5-1) stretch out and protruded at fixed plate (3-4-4-1)
Front/rear end on；Dead bolt (3-4-5-2) is respectively equipped with the upper surface of dead bolt connection strap (3-4-5-1) rear and front end；
The battery connector socket (3-4-6) is set towards the left and right sides of main body (3-1), battery connector socket (3-4-6)
It is connected with the power supply circuit of inside；The battery compartment (3-3) is provided with electricity on the housing of battery connector socket (3-4-6) position
Pond storehouse socket (3-3-1)；
The battery (3-2) is provided with and the battery connector socket in main body (3-1) with the side that battery compartment (3-3) coordinates
The battery connector male (3-2-1) that (3-4-6) is connected；The battery (3-2) setting-in to battery compartment (3-3) it is interior when, electricity
Pond connector male head (3-2-1) passes through battery compartment socket (3-3-1) and the battery connector socket (3-4-6) in main body (3-1)
It is connected, and battery connector male (3-2-1) withstands safety block (3-4-2) and it is moved to battery (3-2) installation direction；
The lower surface of the battery connector male (3-2-1) is provided with coordinates (3-4-5-2) with the dead bolt on battery dead bolt (3-4-5)
The sealed groove (3-2-1-1) of connection.
A kind of 3. miniaturization upper digestive tract dynamic ph Impedance monitoring device according to claim 2, it is characterised in that：
In the battery lock (3-4-1), slide switch (3-4-1-4) is I-shaped structure, and slide switch passes through I-shaped structure
Middle part is embedded in and is slidably connected in the sliding groove in main body (3-1) on side body.
A kind of 4. miniaturization upper digestive tract dynamic ph Impedance monitoring device according to claim 2, it is characterised in that：
The battery lock (3-4-1) includes pair of sliding switch (3-4-1-4)；The pair of slide switch (3-4-1-4) point
Card article (3-4-1-1) upper end at closure both ends is not fixed on.
A kind of 5. miniaturization upper digestive tract dynamic ph Impedance monitoring device according to claim 2, it is characterised in that：
In the closure, the plane projection of connection strap (3-4-1-2) is L-type structure, the card article at connection strap (3-4-1-2) both ends
(3-4-1-1) stagger setting in the longitudinal direction.
A kind of 6. miniaturization upper digestive tract dynamic ph Impedance monitoring device according to claim 2, it is characterised in that：
The safety block (3-4-2) is provided with the spring eye (3-4-2-4) being connected with back-moving spring (3-4-3), resets bullet
Spring (3-4-3) is fixedly mounted in spring eye (3-4-2-4).
A kind of 7. miniaturization upper digestive tract dynamic ph Impedance monitoring device according to claim 2, it is characterised in that：
The battery compartment (3-3) flushes with main body (3-1) both sides side.
A kind of 8. miniaturization upper digestive tract dynamic ph Impedance monitoring device according to claim 1, it is characterised in that：
The circuit arrangement also includes collection front-end circuit (6-2), controller (6-3) and radio receiving transmitting module (6-4)；It is described
The signal that pH impedance sensings electrode (1) detects is transferred to controller (6-3), controller (6-3) place by collection front-end circuit (6-2)
Background terminal (4) is transferred to by radio receiving transmitting module (6-4) after reason；The power management module (6-1) includes power management
The chip LTC4413 and main power source battery BT1 being connected with power management chip LTC4413 INA pins and power management core
The backup battery BT2 of piece LTC4413 INB pins connection, power management chip LTC4413 selection main power source battery BT1 are with after
The high side of voltage provides power supply for load in standby battery BT2；The background terminal (4) is the PC with wireless receiver or shifting
Dynamic communication apparatus.
A kind of 9. miniaturization upper digestive tract dynamic ph Impedance monitoring device according to claim 8, it is characterised in that：
The positive pole of the main power source battery BT1 is connected with PMOS Q1 D poles, main power source battery BT1 negative pole ground connection；It is described
PMOS Q1 D poles are connected with main power source battery BT1 positive pole, and S poles are connected with power management chip LTC4413 INA pins,
G poles are grounded；Described TVS diode D1 one end is connected between main power source battery BT1 positive pole and PMOS Q1 D poles, another
End ground connection；The OUTA pins of the power management chip LTC4413 are grounded by electric capacity C2；
The positive pole of the backup battery BT2 is connected with PMOS Q2 D poles, backup battery BT2 negative pole ground connection；The PMOS
Q2 D poles are connected with backup battery BT2 positive pole, and S poles are connected with power management chip LTC4413 INB pins, G poles ground connection；
Described TVS diode D2 one end is connected between backup battery BT2 positive pole and PMOS Q2 D poles, other end ground connection；It is described
Power management chip LTC4413 INB pins are grounded by electric capacity C1, and OUTB pins are grounded by electric capacity C2.
A kind of 10. miniaturization upper digestive tract dynamic ph Impedance monitoring device according to claim 8, it is characterised in that：Institute
Stating power management module (6-4) also includes indicating circuit, and indicating circuit includes resistance R1, resistance R2 and light emitting diode
LED1, wherein, one end is connected to PMOS Q2 S poles after resistance R1 and LED 1 are connected, and the other end is connected to electricity
Source control chip LTC4413 STAT pins；The resistance R2 both ends connect again power management chip LTC4413 STAT pins
Between OUTA pins.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710938811.XA CN107684412B (en) | 2017-09-30 | 2017-09-30 | Miniaturized upper gastrointestinal dynamic pH impedance monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710938811.XA CN107684412B (en) | 2017-09-30 | 2017-09-30 | Miniaturized upper gastrointestinal dynamic pH impedance monitoring device |
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| CN107684412B CN107684412B (en) | 2023-10-31 |
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| CN201710938811.XA Active CN107684412B (en) | 2017-09-30 | 2017-09-30 | Miniaturized upper gastrointestinal dynamic pH impedance monitoring device |
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