CN201356600Y - External intelligent blocking instrument for carotid blood flow - Google Patents
External intelligent blocking instrument for carotid blood flow Download PDFInfo
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- CN201356600Y CN201356600Y CNU2009200793258U CN200920079325U CN201356600Y CN 201356600 Y CN201356600 Y CN 201356600Y CN U2009200793258 U CNU2009200793258 U CN U2009200793258U CN 200920079325 U CN200920079325 U CN 200920079325U CN 201356600 Y CN201356600 Y CN 201356600Y
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- 230000017531 blood circulation Effects 0.000 title abstract description 5
- 210000001715 carotid artery Anatomy 0.000 claims abstract description 73
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000001301 oxygen Substances 0.000 claims abstract description 49
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 49
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- 210000004369 blood Anatomy 0.000 claims abstract description 47
- 238000012544 monitoring process Methods 0.000 claims abstract description 20
- 238000012545 processing Methods 0.000 claims abstract description 20
- 230000004872 arterial blood pressure Effects 0.000 claims abstract description 19
- 230000001105 regulatory effect Effects 0.000 claims abstract description 19
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- 230000033228 biological regulation Effects 0.000 abstract description 2
- 108010064719 Oxyhemoglobins Proteins 0.000 abstract 4
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- 238000004519 manufacturing process Methods 0.000 description 2
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- 238000013022 venting Methods 0.000 description 2
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- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
An external intelligent blocking instrument for carotid blood flow comprises a neck support and a bracket which are arranged on a lying plate, a carotid compression piece arranged on the bracket, an automatic carotid pressure regulating device and an oxyhemoglobin saturation monitoring probe; the pressure head of the carotid artery compression piece is an air bag; the carotid artery pressure automatic regulation and control device comprises a singlechip for main control, a blood oxygen saturation signal processing circuit, a pressure measurement regulator, a man-machine interaction operation key, a display, a memory and a power supply; the oxyhemoglobin saturation signal processing circuit is respectively connected with the oxyhemoglobin saturation monitoring probe and the single chip microcomputer, the pressure measurement controller is connected with the single chip microcomputer and connected with the air bag of the carotid artery compression piece through a pipe fitting, the man-machine interaction operation key, the display and the memory are respectively connected with the single chip microcomputer, and the power supply is respectively connected with the single chip microcomputer, the oxyhemoglobin saturation signal processing circuit and the pressure measurement controller. The instrument can block the blood flow of the carotid artery and monitor, regulate and control the pressure and the time of the carotid artery and record the pressure and the time in real time.
Description
Technical field
This utility model relates to a kind of Medical Instruments, and particularly a kind of compressing carotid artery is from the instrument of extracorporeal blocking carotid artery flow.
Background technology
In the inspection and auxiliary treatment of some disease, need the carotid artery flow of temporary blocking-up patient one side, clinically, realize the blocking-up of blood flow usually by the free-hand operation compressing of doctor carotid artery.Adopt aforesaid way, because the difference of doctor's clinical experience, being difficult to guarantees to exert pressure all meets the requirements, moreover if the blocking-up carotid artery flow time is longer, especially (sometimes blocking action need carried out 40 days when carrying out the training of brain collateral circulation compensatory, every day 2-3 time, do not wait in each 5-60 minute), the operator can be because of the tired displacement that produces hands, the effect that influence is checked and compensatory is trained.
The patent No. is ZL89221081.8, ZL92231446.2, the Chinese patent of ZL99253968.4 discloses three kinds of carotid artery compressing apparatuses that are used to block carotid artery flow, though these three kinds of carotid artery compressing apparatuses can both alleviate doctor's labor intensity, solve the compressing displacement problem that the free-hand operation of doctor easily produces, but their something in common all is to adopt manual mode, rule of thumb regulate compressing parts pressure and control that carotid artery is executed and exert pressure the time, thereby have following problem: 1, can not the monitor blood flow barrier effect and in time adjust institute according to the bloodstream blocking effect and exert pressure and the blocking-up time; 2, can not obtain accurately carotid artery flow blocking-up data (institute exert pressure, exert pressure time, bloodstream blocking effect etc.).
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of carotid blood vitro intelligent breaking device is provided, to solve the exert pressure difficult problem of size, the monitoring of the time of exerting pressure, regulation and control and real time record of carotid artery.
This utility model is that improvements are: 1, the pressure head with the carotid artery pressuring piece is designed to air bag to a kind of improvement of existing machinery formula carotid artery compressing apparatus, regulates the pressure that carotid artery is executed by the gas pressure that changes in the air bag; 2, increase carotid artery pressure device for automatically regulating, the pulsation wave-wave width of cloth and the definite pressure that carotid artery is executed of blood oxygen saturation numerical value according to monitoring patient carotid artery blocking position distal end, the pressure that carotid artery is executed is adjusted in variation according to the pulsation wave-wave width of cloth of patient's carotid artery blocking position distal end and blood oxygen saturation numerical value automatically, the real time record parameters such as time, bloodstream blocking effect of exerting pressure, exert pressure.3, set up the blood oxygen saturation monitoring probe supporting with carotid artery pressure device for automatically regulating.
Carotid blood vitro intelligent breaking device described in the utility model comprises plate for sleeping in, is installed in neck brace on the plate that crouches and support, rack-mount carotid artery pressuring piece and carotid artery pressure device for automatically regulating and blood oxygen saturation monitoring probe; The pressure head of carotid artery pressuring piece is an air bag; Carotid artery pressure device for automatically regulating comprises single-chip microcomputer, oxygen saturation signal treatment circuit, pressure measxurement modulator, man-machine interactive operation button, display, memorizer and the power supply that is used for master control; The oxygen saturation signal treatment circuit is connected with single-chip microcomputer with the blood oxygen saturation monitoring probe respectively, the pressure measxurement modulator is connected with single-chip microcomputer and is connected by the air bag of pipe fitting with the carotid artery pressuring piece, man-machine interactive operation button, display and memorizer are connected with single-chip microcomputer respectively, power supply is connected with single-chip microcomputer, oxygen saturation signal treatment circuit and pressure measxurement modulator respectively, for they provide operating current.In order further to expand function of use, the single-chip microcomputer in the carotid artery pressure device for automatically regulating can connect alarm speaker and alarm lamp, on the single-chip microcomputer USB interface can be set; Described power supply can be provided with power supply indicator.
Member in the carotid artery pressure device for automatically regulating or device had both can be assembled into several parts and had installed, also can concentrate in the casing and install, if concentrating on a casing installs, enclosure wall is provided with built-in power charging jack or built-in power charging jack and USB jack, the display screen of display, man-machine interactive operation button are positioned at the casing surface, and single-chip microcomputer, memorizer, oxygen saturation signal treatment circuit and pressure measxurement modulator are placed in the casing; Power supply indicator and alarm speaker are installed on the enclosure wall.
Described oxygen saturation signal treatment circuit comprises signal amplifier, low pass filter and A/D converter, and the outfan of signal amplifier is connected with the input of low pass filter, and the outfan of low pass filter is connected with the input of A/D converter.Blood oxygen saturation monitoring probe receiving optical signals also converts the optical signal that receives to the signal of telecommunication and flows to signal amplifier in the oxygen saturation signal treatment circuit.
Described pressure measxurement modulator is made of pressure transducer, pressure signal processing circuit, grammed switch and program control inflator pump; Pressure signal processing circuit comprises signal amplifier, low pass filter and A/D converter, and the outfan of signal amplifier is connected with the input of low pass filter, and the outfan of low pass filter is connected with the input of A/D converter.Grammed switch is connected with single-chip microcomputer, and is connected with program control inflator pump with the air bag of carotid artery pressuring piece by pipe fitting, is in closed condition or air inlet state or deflated state under the control of single-chip microcomputer; Program control inflator pump is connected with single-chip microcomputer, under the control of single-chip microcomputer the air bag of carotid artery pressuring piece is inflated or out of service; Pressure transducer is installed on the pipeline of the air bag that connects the carotid artery pressuring piece and grammed switch, and be connected with single-chip microcomputer by pressure signal processing circuit, pressure signal processing circuit will be amplified from the signal of telecommunication of the sign gasbag pressure of pressure transducer, send single-chip microcomputer to after filtering and the A/D conversion.
Carotid blood vitro intelligent breaking device described in the utility model has following function:
The blood oxygen saturation monitoring probe is placed in distal end (the preferred superficial temporal artery trunk of carotid artery flow blocking position, be positioned at the preceding 1cm place of tragus), can send the signal of telecommunication of carotid artery blood oxygen saturation to single-chip microcomputer by the oxygen saturation signal treatment circuit, convert the pulsation wave-wave width of cloth, blood oxygen saturation numerical value and intensity of sound signal to by single-chip microcomputer, single-chip microcomputer is according to the pulsation wave-wave width of cloth, the definite pressure that patient's carotid artery is executed of blood oxygen saturation numerical signal, and the output the blowing pressure of feedback regulation pressure measxurement modulator; Display screen can show in real time exerts pressure and exerts pressure the time patient's carotid artery; Can set automatic the blowing pressure with the form of numeral, the pressure variable gradient of each inflation, venting, the time of each inflation; Can be with the pressure set and the automatic inflation compression carotid artery of time of setting, finish decompression automatically after the setting work; Can require manual emergency venting decompression and timing according to therapist; Can set blocking-up effective standard of carotid artery and sound notification type; But recording storage treatment data, by USB interface and compunication, transmission and storage treatment data.
The main mode of operation of carotid blood vitro intelligent breaking device described in the utility model is as follows:
1, under the open state, blood oxygen saturation monitoring probe is placed in the distal end of patient's carotid artery flow blocking position after, show patient's the pulsation wave-wave width of cloth, blood oxygen saturation numerical value and intensity of sound signal in real time by display screen; Behind the beginning inflation compression, display screen shows the blowing pressure and compressing carotid artery time in real time, as is setting-up time work, then shows remaining time simultaneously.
2, under the open state, enter " automatic pressure pattern " menu by the menu key of clicking in the man-machine interactive operation button, directly input pressure numerical value can be set the automatic pressure in the air bag.
3, under the open state, enter " Manual pressure pattern " menu by the menu key of clicking in the man-machine interactive operation button, directly input pressure numerical value can be set the barometric gradient in the air bag of each increase or minimizing.
4, under the open state, enter " temporal mode " menu, set keeping in the air bag time of the blowing pressure by the menu key of clicking in the man-machine interactive operation button.
5, under the open state, enter " feedback model " menu, set instrument and whether work according to the detecting sphygmus and blood oxygen saturation feedback signal automatically by the menu key of clicking in the man-machine interactive operation button.
6, under the open state, enter " blocking-up standard " menu by the menu key of clicking in the man-machine interactive operation button, set (is the effective for blocking-up below 30% of basic value as setting the pulsation wave-wave width of cloth or blood oxygen saturation numerical value) to blocking effective standard.Reach established standards, instrument is by auditory tone cues and self-clocking.
7, under the open state, enter " alarm mode " menu by the menu key of clicking in the man-machine interactive operation button, to the auditory tone cues parameter, as setting alarm sound type, volume, number of times, blanking time etc.Can eliminate warning by clicking " report to the police and eliminate " key.
8, under the open state, enter " case information " menu, can import information such as patient's name, age, admission number, date of operation, operator by the menu key of clicking in the man-machine interactive operation button.
9, under the open state, enter " data reviews " menu, can consult the patient information in the work process in the past and treat data by the menu key of clicking in the man-machine interactive operation button.
10, under the open state, by clicking other button in the man-machine interactive operation button, can bring into play corresponding function, as clicking " urgent decompression ", instrument stops setting work, automatic deflation.
The utlity model has following beneficial effect:
1, carotid artery blood oxygen saturation monitoring result can be converted to waveform, blood oxygen saturation numerical value and the intensity of sound signal of pulse wave, single-chip microcomputer is according to the pulsation wave-wave width of cloth, the definite pressure that patient's carotid artery is executed of blood oxygen saturation numerical signal, and the output the blowing pressure of feedback regulation pressure measxurement modulator, improved reliability, effectiveness and the scientific research result's of clinical manipulation accuracy.
2, can show pressure and pressing time in the air bag in real time, avoid the hypertonia or low, the long or too short complication that causes of holding time to reach injury with excessivelying the patient.Medical-risk and medical tangle have been reduced.
3, can be according to setup parameter work, thereby make work more scientific and reasonable, reduced the labor intensity of medical worker and scientific research personnel work simultaneously, improved work efficiency.
4, instrument can be set case information and the automatic relevant retrospective materials of record, for the investigation and the scientific research of clinical data provides convenience.
5, be provided with manual adjustments pressure, urgent decompression, clocking capability and warning function have satisfied the multiple needs in clinical and the scientific research operation.
6, complete function, intelligent degree height, easy to operate.
Description of drawings
Fig. 1 is a kind of structure diagram of carotid blood vitro intelligent breaking device described in the utility model;
Fig. 2 is a kind of structured flowchart of the carotid artery pressure device for automatically regulating in the carotid blood vitro intelligent breaking device described in the utility model;
Fig. 3 is a kind of structure diagram of the pressure measxurement modulator in the carotid artery pressure device for automatically regulating;
Fig. 4 is a kind of structured flowchart of the oxygen saturation signal treatment circuit in the carotid artery pressure device for automatically regulating, and this figure has also described the annexation between oxygen saturation signal treatment circuit and the blood oxygen saturation monitoring probe;
Fig. 5 is a kind of electrical schematic diagram of the pressure signal processing circuit in the pressure measxurement modulator, also is a kind of electrical schematic diagram of oxygen saturation signal treatment circuit;
Fig. 6 is a kind of structural representation of the carotid artery pressuring piece in the carotid blood vitro intelligent breaking device described in the utility model;
Fig. 7 is the sketch map of annexation between support in the carotid blood vitro intelligent breaking device described in the utility model;
Fig. 8 is a kind of outline drawing of the carotid artery pressure device for automatically regulating in the carotid blood vitro intelligent breaking device described in the utility model.
Among the figure, 1-holder, 2-plate for sleeping in, 3-neck brace, 4-column, 5-crossbeam, 6-air bag mounting pipe, 7-bolt, 8-air bag, 9-blood oxygen saturation monitoring probe, 10-appendix, 11-lead, 12-carotid artery pressure device for automatically regulating, the program control inflator pump of 13-, 14-grammed switch, 15-pressure transducer, 16-pipe joint, 17-pressure signal processing circuit, 18-USB jack, 19-built-in power charging jack, 20-man-machine interactive operation button, 21-casing, the display screen of 22-display, 23-power supply indicator, 24-alarm lamp, 25-alarm speaker.
The specific embodiment
Be described further below in conjunction with the structure of accompanying drawing carotid blood vitro intelligent breaking device described in the utility model.
As shown in Figure 1, carotid blood vitro intelligent breaking device mainly is made up of plate 2 for sleeping in, holder 1, neck brace 3, support, carotid artery pressuring piece, carotid artery pressure device for automatically regulating 12 and blood oxygen saturation monitoring probe 9.The plate 2 that crouches is a rectangular flat, and holder 1 is two strip shape bodies, is installed on the plate face of the plate 2 that crouches, and lays respectively at the both sides of the plate that crouches, and two strip shape bodies of forming holder are provided with the groove that is used for fixing support; Neck brace 3 is installed on the plate face of the plate 2 that crouches and between two strip shape bodies of forming holder 1; Support is made up of two root posts 4 and crossbeam 5, and two root posts 4 are installed in respectively on two strip shape bodies of forming holder, can be as required to move to the optional position of strip shape body along the axis of two strip shape bodies fixing by bolt 7; Crossbeam 5 is two parallel strip bodies, and the two ends of two parallel strip bodies are connected with two root posts 4 respectively by bolt 7, and can move in the arbitrary height position of column 4 as required and fixing, with the distance between adjusting air bag 8 and the plate for sleeping in, as shown in Figure 7.
The carotid artery pressuring piece is made up of air bag 8 and air bag mounting pipe 6, and air bag 8 is fixed on the lower end of air bag mounting pipe 6, as shown in Figure 6.Air bag mounting pipe 6 is provided with two parallel lamellar fixed bodies, by the lamellar fixed body, can be as required with bolt 7 air bag mounting pipe 6 be fixed on arbitrary position of crossbeam 5, to satisfy the needs of blocking-up patient carotid artery flow.
The structure of carotid artery pressure device for automatically regulating 12 as shown in Figure 2, comprise the single-chip microcomputer, oxygen saturation signal treatment circuit, pressure measxurement modulator, man-machine interactive operation button, display, memorizer, alarm speaker, alarm lamp, power supply and the power supply indicator that are used for master control, single-chip microcomputer is provided with USB interface.Single-chip microcomputer is selected the 89c52 single-chip microcomputer for use and is disposed usb and rs232 transducer (model Link-Max USB-232, like prestige wheel industry control production), display is selected general lattice liquid crystal display (having this class display of multiple model to sell on the market) for use, and memorizer has multiple commercially available prod can supply to select for use.The oxygen saturation signal treatment circuit comprises signal amplifier, low pass filter and A/D converter, the annexation that itself and blood oxygen saturation monitoring are popped one's head in as shown in Figure 4, the electrical schematic diagram of oxygen saturation signal treatment circuit as shown in Figure 5, among Fig. 5, U1 (model OPA335, TI company produces) form signal amplifier and low pass filter with R68, R42, C12, U2 (model ADS1252, TI company produces) forms A/D converter with R44, R45.The structure of pressure measxurement modulator as shown in Figure 3, constitute by pressure transducer 15, pressure signal processing circuit 17, grammed switch 14 and program control inflator pump 13, it is the pick off (production of motorola company) of MPX53GP that pressure transducer 15 is selected model for use, grammed switch 14 is a direct-acting electromagnetic valve, model GPF12-10A (commercial goods is arranged); It is the air pump (commercial goods is arranged) of PSF6003 that program control inflator pump 13 is selected model for use; Pressure signal processing circuit 17 comprises signal amplifier, low pass filter and A/D converter, its electrical schematic diagram as shown in Figure 5, among Fig. 5, U1 (model OPA335, TI company produces) form signal amplifier and low pass filter with R68, R42, C12, U2 (model ADS1252, TI company produces) forms A/D converter with R44, R45.
The profile of carotid artery pressure device for automatically regulating 12 has designed cuboid casing 21 as shown in Figure 8, and the casing back side is provided with disposable battery mounting groove (not expressing among the figure), can select to use multiple power supply power supply.The casing tail end is provided with built-in power charging jack 19, and the bottom of casing has USB jack 18.The LCDs 22 and the man-machine interactive operation button 20 of display are positioned at the casing surface, and power supply indicator 23, alarm lamp 24 and alarm speaker 25 are installed on the wall on casing top.Each member of single-chip microcomputer, oxygen saturation signal treatment circuit, memorizer and pressure measxurement modulator is installed in the casing 21.
It is the probe (commercial goods is arranged) of Oxisensor II D-25 that blood oxygen saturation monitoring probe 9 is selected model for use, blood oxygen saturation monitoring probe 9 is connected by the input of the signal amplifier in lead 11 and the oxygen saturation signal treatment circuit, and the optical signal that the patient's carotid artery flow blocking position distal end tissue that receives is reflected converts the signal of telecommunication to and flows to signal amplifier in the oxygen saturation signal treatment circuit.
Claims (9)
1, a kind of carotid blood vitro intelligent breaking device, comprise plate for sleeping in (2), be installed in neck brace (3) on the plate that crouches and support, rack-mount carotid artery pressuring piece, it is characterized in that also comprising carotid artery pressure device for automatically regulating (12) and blood oxygen saturation monitoring pop one's head in (9);
The pressure head of carotid artery pressuring piece is air bag (8);
Carotid artery pressure device for automatically regulating (12) comprises the single-chip microcomputer that is used for master control, the oxygen saturation signal treatment circuit, the pressure measxurement modulator, the man-machine interactive operation button, display, memorizer and power supply, the oxygen saturation signal treatment circuit is connected with single-chip microcomputer with the blood oxygen saturation monitoring probe respectively, the pressure measxurement modulator is connected with single-chip microcomputer and is connected with air bag in the carotid artery pressuring piece by pipe fitting, the man-machine interactive operation button, display is connected with single-chip microcomputer respectively with memorizer, power supply respectively with single-chip microcomputer, the oxygen saturation signal treatment circuit is connected with the pressure measxurement modulator, for they provide operating current.
2, carotid blood vitro intelligent breaking device according to claim 1 is characterized in that described single-chip microcomputer is connected with alarm speaker and alarm lamp, is provided with USB interface, and described power supply is provided with power supply indicator.
3, carotid blood vitro intelligent breaking device according to claim 1 and 2, it is characterized in that the oxygen saturation signal treatment circuit comprises signal amplifier, low pass filter and A/D converter, the outfan of signal amplifier is connected with the input of low pass filter, and the outfan of low pass filter is connected with the input of A/D converter.
4, carotid blood vitro intelligent breaking device according to claim 3 is characterized in that blood oxygen saturation monitoring probe receiving optical signals and converts the optical signal that receives to the signal of telecommunication flowing to signal amplifier.
5, carotid blood vitro intelligent breaking device according to claim 1 and 2 is characterized in that the pressure measxurement modulator is made of pressure transducer (15), pressure signal processing circuit (17), grammed switch (14) and program control inflator pump (13);
Grammed switch (14) is connected with single-chip microcomputer, and is connected with program control inflator pump (13) with the air bag (8) of carotid artery pressuring piece by pipe fitting, is in closed condition or air inlet state or deflated state under the control of single-chip microcomputer;
Program control inflator pump (13) is connected with single-chip microcomputer, under the control of single-chip microcomputer the air bag (8) of carotid artery pressuring piece is inflated or out of service;
Pressure transducer (15) is installed on the pipeline of the air bag (8) that connects the carotid artery pressuring piece and grammed switch (14), and be connected with single-chip microcomputer by pressure signal processing circuit (17), pressure signal processing circuit (17) will be amplified from the signal of telecommunication of the sign gasbag pressure of pressure transducer, filtering and A/D send single-chip microcomputer to after changing.
6, carotid blood vitro intelligent breaking device according to claim 3 is characterized in that the pressure measxurement modulator is made of pressure transducer (15), pressure signal processing circuit (17), grammed switch (14) and program control inflator pump (13);
Grammed switch (14) is connected with single-chip microcomputer, and is connected with program control inflator pump (13) with the air bag (8) of carotid artery pressuring piece by pipe fitting, is in closed condition or air inlet state or deflated state under the control of single-chip microcomputer;
Program control inflator pump (13) is connected with single-chip microcomputer, under the control of single-chip microcomputer the air bag (8) of carotid artery pressuring piece is inflated or out of service;
Pressure transducer (15) is installed on the pipeline of the air bag (8) that connects the carotid artery pressuring piece and grammed switch (14), and be connected with single-chip microcomputer by pressure signal processing circuit (17), pressure signal processing circuit (17) will be amplified from the signal of telecommunication of the sign gasbag pressure of pressure transducer, filtering and A/D send single-chip microcomputer to after changing.
7, carotid blood vitro intelligent breaking device according to claim 4 is characterized in that the pressure measxurement modulator is made of pressure transducer (15), pressure signal processing circuit (17), grammed switch (14) and program control inflator pump (13);
Grammed switch (14) is connected with single-chip microcomputer, and is connected with program control inflator pump (13) with the air bag (8) of carotid artery pressuring piece by pipe fitting, is in closed condition or air inlet state or deflated state under the control of single-chip microcomputer;
Program control inflator pump (13) is connected with single-chip microcomputer, under the control of single-chip microcomputer the air bag (8) of carotid artery pressuring piece is inflated or out of service;
Pressure transducer (15) is installed on the pipeline of the air bag (8) that connects the carotid artery pressuring piece and grammed switch (14), and be connected with single-chip microcomputer by pressure signal processing circuit (17), pressure signal processing circuit (17) will be amplified from the signal of telecommunication of the sign gasbag pressure of pressure transducer, filtering and A/D send single-chip microcomputer to after changing.
8, carotid blood vitro intelligent breaking device according to claim 1, it is characterized in that carotid artery pressure device for automatically regulating (12) also comprises casing (21), enclosure wall is provided with built-in power charging jack (19), the display screen of display (22), man-machine interactive operation button (20) are positioned at the casing surface, and single-chip microcomputer, memorizer, oxygen saturation signal treatment circuit and pressure measxurement modulator are placed in the casing.
9, carotid blood vitro intelligent breaking device according to claim 2, it is characterized in that carotid artery pressure device for automatically regulating (12) also comprises casing (21), enclosure wall is provided with built-in power charging jack (19) and USB jack (18), the display screen of display (22), man-machine interactive operation button (20) are positioned at the casing surface, power supply indicator (23), alarm lamp (24) and alarm speaker (25) are installed on the enclosure wall, and single-chip microcomputer, pressure measxurement modulator, oxygen saturation signal treatment circuit and memorizer are placed in the casing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200793258U CN201356600Y (en) | 2009-03-02 | 2009-03-02 | External intelligent blocking instrument for carotid blood flow |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200793258U CN201356600Y (en) | 2009-03-02 | 2009-03-02 | External intelligent blocking instrument for carotid blood flow |
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| CN201356600Y true CN201356600Y (en) | 2009-12-09 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101491452B (en) * | 2009-03-02 | 2011-01-26 | 四川大学华西医院 | External intelligent blocking instrument for carotid blood flow |
| EP3305218A1 (en) * | 2012-05-11 | 2018-04-11 | Michael Zhadkevich | Anti-embolic device |
| US10130374B2 (en) | 2012-05-11 | 2018-11-20 | Michael Zhadkevich | Anti-embolic device and method |
| US10258348B2 (en) | 2015-01-27 | 2019-04-16 | Michael Zhadkevich | Devices and techniques for vascular compression |
| US10667825B2 (en) | 2014-05-04 | 2020-06-02 | Zhadkevich Medical, Inc. | Noninvasive protection from emboli |
| CN112168276A (en) * | 2020-09-15 | 2021-01-05 | 深圳市理邦精密仪器股份有限公司 | Air pressure hemostasis control method and air pressure hemostasis equipment |
| US11103416B2 (en) | 2015-09-28 | 2021-08-31 | Michael Zhadkevich | Device and method for simultaneous detection, monitoring and prevention of cerebral emboli |
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2009
- 2009-03-02 CN CNU2009200793258U patent/CN201356600Y/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101491452B (en) * | 2009-03-02 | 2011-01-26 | 四川大学华西医院 | External intelligent blocking instrument for carotid blood flow |
| EP3305218A1 (en) * | 2012-05-11 | 2018-04-11 | Michael Zhadkevich | Anti-embolic device |
| US10130374B2 (en) | 2012-05-11 | 2018-11-20 | Michael Zhadkevich | Anti-embolic device and method |
| US11116517B2 (en) | 2012-05-11 | 2021-09-14 | Michael Zhadkevich | Anti-embolic device and method |
| US11116515B2 (en) | 2012-05-11 | 2021-09-14 | Michael Zhadkevich | Anti-embolic device and method |
| US11701126B2 (en) | 2012-05-11 | 2023-07-18 | Michael Zhadkevich | Anti-embolic device and method |
| US10667825B2 (en) | 2014-05-04 | 2020-06-02 | Zhadkevich Medical, Inc. | Noninvasive protection from emboli |
| US10258348B2 (en) | 2015-01-27 | 2019-04-16 | Michael Zhadkevich | Devices and techniques for vascular compression |
| US11026697B2 (en) | 2015-01-27 | 2021-06-08 | Michael Zhadkevich | Devices and techniques for vascular compression |
| US11759212B2 (en) | 2015-01-27 | 2023-09-19 | Michael Zhadkevich | Devices and techniques for vascular compression |
| US11103416B2 (en) | 2015-09-28 | 2021-08-31 | Michael Zhadkevich | Device and method for simultaneous detection, monitoring and prevention of cerebral emboli |
| CN112168276A (en) * | 2020-09-15 | 2021-01-05 | 深圳市理邦精密仪器股份有限公司 | Air pressure hemostasis control method and air pressure hemostasis equipment |
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