WO2008051063A1 - Manomètre vasculaire a capteur de flux servant à mesurer la pression sanguine des artères et veines superficielles chez les humains et les spécimens - Google Patents

Manomètre vasculaire a capteur de flux servant à mesurer la pression sanguine des artères et veines superficielles chez les humains et les spécimens Download PDF

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Publication number
WO2008051063A1
WO2008051063A1 PCT/MX2007/000038 MX2007000038W WO2008051063A1 WO 2008051063 A1 WO2008051063 A1 WO 2008051063A1 MX 2007000038 W MX2007000038 W MX 2007000038W WO 2008051063 A1 WO2008051063 A1 WO 2008051063A1
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WIPO (PCT)
Prior art keywords
pressure
manometer
vascular
force
sensor
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Application number
PCT/MX2007/000038
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English (en)
Spanish (es)
Inventor
Jesús BUSTILLOS CEPEDA
Original Assignee
Bustillos Cepeda Jesus
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Publication of WO2008051063A1 publication Critical patent/WO2008051063A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/021—Measuring pressure in heart or blood vessels
    • A61B5/022—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6843—Monitoring or controlling sensor contact pressure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/021—Measuring pressure in heart or blood vessels
    • A61B5/022—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
    • A61B5/023—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers the pressure transducers comprising a liquid column
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/02—Measuring pulse or heart rate
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/06—Measuring blood flow

Definitions

  • Vascular manometer with flow sensor applicable to measuring blood pressure in arteries and superficial veins of humans and specimens
  • a sphygmomanometer consisting of 4 main parts is used to measure the systemic blood pressure with an indirect non-invasive method, which can be detailed as a bracelet consisting of a balloon lined by a rectangular plastic or fabric connected to a insufflated hose by one end, ending is in a blower knob and a pressure transmitting hose on the other that ends in a conventional digital manometer, mercury column or the like and is [original of a Russian named Korotkoff who in 1904 observed that auscultating the brachial artery in an immediate distal portion to the lower edge of the cuff, when it is inflated, the pulse is not heard and as it deflates, the sounds of the arterial pulse reappear more and more audibly.
  • Non-invasive blood pressure measurements involve the occlusion of an artery by a pressure handle and the measurement of oscillations in the pressure handle or the pressure at which the flow through the artery reappears as the cuff is deflated (Jon Walsh and Randall DuII Ed. Marban 2001, Massachusetts. General Hospital Intensive Care Chapter 1 Hemodynamic Monitoring).]
  • the conventional technique of 1904 has been useful but is inaccurate and deficient because in said method the pressure of the artery is not determined explored, but the index of compressibility of the limb segment in relation to the occlusion of the artery, whereby who subscribes Dr.
  • the Sphygmomanometer increases its margin of error as the person withdraws from the male sex from 18 to 35 years, 1.65 to 1.80 mt. 65 to 85 kg Therefore, being a child, a woman, overweight, obesity, senior citizens, muscular atrophies or muscular hypertrophy gradually increases the error in the sphygmomanometer.
  • FIG 1 is a perspective of the Vascular Manometer in its three analog, digital and liquid column presentations.
  • Figure 2 are drawings showing the external parts, faces, sides and ends of relevance of which the Vascular Manometer is constituted.
  • Figure 3 shows a frontal longitudinal section that allows to see the articulation of the pieces that constitute the Vascular Manometer and perspective of some internal parts.
  • Figure 4 Shows a frontal longitudinal section that allows to see the articulation of the pieces and the own modifications for analog gauge.
  • Figure 5 shows a frontal longitudinal section that allows to see the articulation of the pieces and the own modifications for liquid pressure gauge.
  • Figure 6 shows the technique and the spindle of the Vascular Manometer compared to the traditional technique and instrument.
  • Figure 7 shows the electronic pressure and dopler sensor.
  • Figure 8 shows the design of the vascular manometer in the modality of separate components.
  • Figure 9 shows a plane with dimensions of the pressure sensor and the dopler sensor.
  • Figure 10 shows a plan of the shape and dimensions of the pressure sensor.
  • the Vascular Manometer is formed on the outside by the combination of the following elements that can be seen in Figures 1, 2, 8 and 9 an No. 1 electromechanical control box that has control buttons, screen LCD and in the case of the modality of separate components, a control box No. 74, connected by means of a connection cable No. 68 to a probe No. 70.
  • Figure 8 on its front face presents a liquid quartz screen for pressure gauge digital No. 52 a Box electromechanical control No. 1, Neck No. 2, Screw cap and perforated top No.5, Nightgown No.9, Piston with head No. 21, Screw cap and perforated bottom No. 26, Sensor No.33, Power button No.41, Liquid column No. 45, Analog pressure gauge cover No. 51.
  • the electromechanical control box No.1 is typical of the Digital Manometer fig. 3. in its 2 presentations in its mechanical presentation or with graduated spring No. 15 or by electronic pressure sensor No. 61. In the case of the Analog Manometer it may or may not be presented in the vascular manometer of liquid column. Which is attached by internal thread to the neck No. 2, connected by internal thread to the top threaded and perforated top No. 5, connected by internal thread to the nightgown No. 9, connected by external thread to the threaded top and perforated bottom No.
  • the Vascular Manometer contains and allows the passage to the body of the piston with No.21 head which is joined by a reduction with jack system or quick connect plug by pushing and turning a quarter of a turn to the copy with lower reduction No.29 that joins through its threaded reduction to sensor No.33. It can be all these parts of metallic material, ceramic plastic or any other that meets the principles of quality.
  • the description of the Vascular Manometer is addressed to the Vascular Manometer in the Digital Modality with the pertinent clarifications of the Analog Manometer and Column Manometer during the description of its parts and in its respective section.
  • the Vascular manometer has a rocket shape with a tip in the No.33 sensor, being able to adopt any other as is the case of separating the transducer screen connected by a telephone cord.
  • the Vascular Manometer is characterized by presenting a spring system, or a force application system in a tubular, cylindrical or tablet-shaped electronic analog device or another form that could be adopted for quality improvements to determine the arterial pressure! or venous, It has the peculiarity of applying Ia pressure by means of a No.33 sensor which may or may not be divided into two anterior and posterior parts for its manufacture joined by 4 No.36 screws. Which inside houses a pressure sensor analog electronic conversion.
  • This No.33 sensor can be a changeable unit for a quick Jack type connection because it has variable dimensions on its lower side No.34 of 0.5, 1, 1.5, 2 or more cms.
  • the senor No.33 on its upper face No.34 in the hole that Io crosses concentrically and longitudinally starts with a larger diameter and with internal thread to accommodate the threaded lower part of the copy with reduction with lower reduction No. 31 also with longitudinal hole that houses the duplex fixator of extensions No. 32 in its upper portion. In its lower face the sensor No. 33 has the exit of the hole that crosses it longitudinally and houses the duplex fixator of extensions No.
  • this can be plastic material or any other insulator since that is its function, it is of cylindrical shape with two holes that cross it longitudinally parallel to house and isolate the fiber optic extensions No.53 which serve as extensions of the piezoelectric crystals or emitter and receiver optical sensors No.20 that are housed in the duplex crystal fixer No. 25, which is completely cylindrical outside threaded and crossed longitudinally by two parallel holes of Vakelite plastic material or other insulating material, the external thread Ie serves to be assembled in the threaded hole lower face of the piston reduction with head No.
  • Piezoelectric crystals or optical sensors emitter and receiver No.20 Any of the 2 can be useful hoisted, isolated laterally from each other by vakelite, plastic or other insulator, these may be photo emitting diodes or emitting glass and photoreceptor diode or receiving glass respectively which receive or emit signals externally by the fiber optic extensions No.53. at the same time they receive or emit signals from the logic electronic card No. 37 at its receptacle point, the transmission line of piezoelectric crystals or No.49 emitter and receiver optical sensors via afferent and efferent transmission line No.19 consisting of concentric cable with maya shield or other material applicable for this function.
  • the digital model of Figure 7 In the case of the digital model of Figure 7.
  • the electronic pressure sensor No.61 adheres to the piezoelectric crystals No. 20 on its lower face and is crossed by axial cables No. 19, the cables of the electronic pressure sensor No. 62 and the axial cables of the piazo electric crystals No. 19 end in a coupling cell that communicates the signals to the microprocessor of the dopler and the pressure sensor No. 64 in turn this communicates and receives signals through the microprocessor lines to microcontroller No. 65 in the logic electronic card to process the sound information transforming it to Heart Rate defined as the number of beats per minute, Heart Rate defined as the ratio of the duration of each of the beats in 60 seconds, from that the noise starts until it ends, plus the silence time, ending at the point where the next noise starts.
  • Heart Rate defined as the number of beats per minute
  • Heart Rate defined as the ratio of the duration of each of the beats in 60 seconds, from that the noise starts until it ends, plus the silence time, ending at the point where the next noise starts.
  • the sensor unit No.33 of the desired caliber can be assembled By mechanically orienting the elements of light or sound piezoelectric crystals or optical sensors sender and receiver No.20 duly coupled when inserting the lower part of the reduction of the piston with head No.
  • the orientation in the beginning would be 90 relative degrees and when inserting the male receptacle to the female pushing head downwards until finding the final stop position of the depth only at that moment will we rotate 90 degrees in the direction of the clock hands thus finding the light or sound conduits that correspond to each other in the order emitter with transmitter and receiver with receiver remember that the optical fibers in the heads are the extensions of the signal elements that will intervene in the measurement of the parameters , it is for this reason that we can change the sensor No. 33 according to the caliber of the vessel we wish to analyze.
  • the piston with head No. 21 has in its upper part a head that serves to support the graduated spring No. 15 graduated in the direction that each mm. compression represents n grams, and the force transmitting rod No. 16 and its main function displaces these structures up or down depending on the application of force, the head proper of the upper part of the piston with head No. 22 on its lower face meets the inner stop of the bushing No.
  • the piston with head No. 21 is crossed from the upper end to the lower end by a cylindrical bore that allows the transmission lines to pass afferent and efferent No.19.
  • the bushing No. 1 1 is made of Nylamid material to prevent friction of metals, it serves to fix the graduated spring No.
  • the piston with head No.21 during the upward movement presses the chamber of synthetic material No.42, sized inside the bushing that contains air and this is propelled towards the hose to transmit air under pressure No.54 and from there to a conventional graduated column of alcohol or other liquid mercury to determine the pressure in the graduation in mmHg.
  • the internal face of the threaded and perforated lower cover No. 27 encloses the bushing No. 11 when joining the lower part of the nightdress No.10 allowing through its lower hole the passage of the afferent and efferent transmission line, the nightdress No. 9 is a hollow cylinder with 2 ends that houses the hub 11 inside, encapsulating Ie together with the graduated spring No.
  • the piston head No.22 in the upper part of the nightgown No.8 is assembled with the internal face of threaded and perforated top cover No.7 to support the graduated spring No.15, and allowing the passage through its central hole to the afferent and efferent transmission line No. 19 and the dipstick No. 16.
  • the internal face of the upper threaded and perforated cover No. 7 In the case of the analogous manometer, it serves as support for the graduated serrated spring No. 45 and the afferent and efferent transmission line No.19.
  • the internal face of the top 7 threaded and perforated lid in the case of the liquid column manometer serves as the upper support for the chamber of synthetic material No.42 and through its central hole allows the passage of the afferent transmission line and efferent No. 19.
  • the external face of the threaded and perforated top cover No. 7 has a 1/3 threaded top to be assembled with the neck No. 2 of the Vascular Manometer and through the central hole gives way to this cavity to the afferent and efferent transmission line No 19, and to the force transmitter rod 45, in the neck No. 2 in the case of the digital pressure gauge the force transmitter rod No. 45 joins the photosensitive electronic cell No. 17 which is graduated from or to 300 a such a degree that each of the 300 photosensitive regions represents a mmHg so that when it is displaced by the transmitting rod of force No.45 in the top-down or inverse direction a diode laser emitting diode No.18 Ia stimulates since it is fixed in The wall of the neck No.
  • the laser photo emitting diode No.18 is attached to the wall of the neck No.2 and receives the energy through a power supply cable for the photo emitting diode laser No. 58 that ends in the receptacle No. 50 thereof name in the electronic logic card No. 37 Ia which has the characteristics of generating and receiving signals with light wavelength or sound, electronic, emit digital commands and codes to the liquid quartz screen to generate the pressure measurement recording conditions.
  • liquid column manometer in its constitution, it has everything described above except electronic control box, force transmitting rod, toothed force transmitting rod, since its furniture system is constituted by the synthetic or rubber chamber No.42 which directly receives the pressure of the piston with No.21 head decreasing its volume and thus transmitting through the contained air the pressure to the liquid column that can be alcohol or other mercury to record in the graduated column the measurement in mmHg .
  • the electromechanical control box No.1 has a prismatic shape with 6 sides, its upper face has the power button No. which can be a membrane, rocker lever rotary switch. On its left side edge. It has a female input of communication interface No.39 and an audio output with speaker No.38 on its right side face has a female input for headphones on the lower face has a large hole with internal thread on its front face is occupied by Ia Quartz liquid display for digital pressure gauge No. 52 and in the case of the analog vascular pressure gauge by The graduated dial in the form of a clock with a hand, in the liquid vascular manometer may or may not present this piece.
  • the lower face has a hole with internal thread to join with the neck No.2 through the hole pass afferent and efferent transmission line No.19, Transmission line of photosensitive electronic cell No. 57.
  • the electro-mechanical control box in its Inside houses the power source (battery) No. 40 and the logic electronic card No.37 and other transmission lines as already described.
  • the Vascular Manometer applicable to measure the blood pressure in arteries and superficial veins of humans and specimens applies a regulated force to an area proportional to the diameter of the measured vessel, and is characterized in that it is formed by a cylindrical body with a lower distal end which has a No.33 sensor and an upper distal end that has a No.1 electromechanical control box that has the power button and volume control on its upper face and that houses a motion sensor system and an inside spring system consisting of a No.9 nightgown that houses a No.11 cylindrical bushing with covers on both ends by the upper perforated threaded cover No.5 and the lower perforated threaded cover No.26 joined by the external threads on the extremities of the nightgown, the No.11 bushing inside allows the displacement of the piston with No.21 head, which presses the compressible element that is arranged in parallel to The pressure transmitter element that simultaneously moves to compression so that the force graduated in the compressible element is translated into distance traveled by a rigid element and in the case of fluids in
  • the piston with a head pushes the flexible container that contains it by displacing the volume of the fluid through the hose to transmit air under pressure No.54 and this by means of a membrane pushes another fluid of greater density in a graduated column to determine the blood pressure or venous
  • the motion sensor system is formed by a logic electronic card No. 37 connected to afferent and efferent transmission lines No.19 that end in emitting and receiving elements No.
  • the electromechanical control box No.1 on its upper face has the power button No.41 and the volume control No.59.
  • the Vascular Manometer applicable to measure blood pressure in arteries and superficial veins of humans and specimens. It is also characterized in that it has the dopler motion sensor system which is formed by means of a logic electronic card No.39 connected to afferent and efferent transmission lines No.19 that end in a piezoelectric emitting crystal and a receiving piezoelectric crystal No. 20 to emit waves with sound frequency on the circulating blood and its reflection be captured and sent to the logic electronic card No.39.
  • the Vascular Manometer applicable to measure blood pressure in arteries and superficial veins of humans and specimens is also characterized in that inside it houses an optical motion sensor system which is formed by a logic electronic card No.39 connected to afferent and efferent transmission lines No.19 that end in a photosensor and a photoemitter No.20 to emit waves with luminous frequency on the circulating blood and its reflection to be captured and sent to the logic electronic card No.39 to be processed.
  • Digital vascular pressure gauge can be seen in figure 3 1a and figure 1 that the generalities already described are characterized in that the spring system is constituted by a No.9 nightgown that houses a No.11 cylindrical bushing with covers on both ends by the cover threaded perforated top No.5 and the threaded top perforated bottom No.26 joined by the external threads at the ends of the nightgown.
  • the piston displacement with No.21 head is allowed, which presses on a No.15 graduated spring that is arranged in parallel to a No.16 force transmitting rod attached at the upper end with a photosensitive electronic cell No. 17 graduated to be displaced up or down by the force transmitting rod No.
  • the Analog Vascular Manometer No.1a is characterized with the same generalities already described and characterized because in the spring system constituted by a No.9 nightgown that houses a No.11 cylindrical hub with covers on both ends by the upper perforated threaded cover No.5 and the lower perforated threaded cover 26 joined by the external threads at the ends of the nightdress No.9 Inside, a bushing No.1 1 allows the piston to move with a No.21 head which presses on a No.15 graduated spring that is arranged parallel to a No.44 toothed transmission rod that engages a wheel Toothed No43 clock type at the upper end for when the No.44 toothed transmission rod has a downward or reverse movement of the No.43 sprocket, rotate by rotating to another wheel of smaller caliber Ia which will be calibrated with the hand of The cover so that the force produced in the compression of the graduated spring No.15 is translated into revolutions of the hand
  • the optical motion sensor or dopler system is completely shaped as described.
  • the Liquid Column Vascular Manometer Figure 1, 1c, Figure 5, No. 45 with the generalities as described above and characterized in that in the spring system consisting of a No.9 nightgown that houses a No.11 cylindrical bushing with covers in the two extremities by the upper perforated threaded cover No.5 and the inferior perforated threaded cover No.26 joined by the external threads at the extremities of the nightgown No.9 and above it is articulated with the neck No.2 of the vascular manometer, continued the electromechanical control box No.1 modified to a simple cover. Inside, a bushing No.11 allows the displacement of piston No, 21.
  • Nightgown No.9 presents the peculiarity of having a hole laterally in which the quick connect connector for hose No.55 is housed
  • Nightgown No.9 houses a cylindrical bushing that presents the peculiarity of having a hole laterally to give continuity to the side hole of the nightgown with head No.9 which presses the chamber of synthetic material or rubber sized to the walls of bushing No.11
  • the chamber of synthetic material inside has air at atmospheric pressure to be calibrated in O mmHg and when compressed, boost the force to a mercury column No.45 to move it against gravity to give the result of the measurement in millimeters of mercury and thus determine the arterial or venous pressure.
  • the optical motion sensor or dopler system conforms completely as already described.
  • the work efficiency of the Vascular Manometer is that the No.33 sensor is interchangeable since the tip of each No.33 sensor is proportional to the diameter of the artery or vein to be measured and the application of force occurs only in the area adequate object to measure. This application of force that transmits the sensor No.33 to the measuring vessel by means of the spring system already described.
  • the pressure and flow information captured by the sensor is transmitted respectively to the manometer or logic electronic card to give the measurement reading and flow noises.
  • Figure 1 Shows a perspective view of the Vascular Manometer applicable to measure the blood pressure in arteries and superficial veins of humans and specimens. Which has 3 presentations that vary only in the way of giving the reading. In response to the economy and user needs. 1st.- Analog. 1 b.- Digital. 1 c- graduated column of mercury.
  • FIGURE 2 These are drawings showing the external parts, faces, sides and ends of relevance of which the Vascular Manometer is constituted in general, electromechanical control box No.1, neck No.2, threaded top and perforated top No.5, nightgown No.9, threaded and perforated bottom cover No.26; piston with head No.21 copy with lower reduction No.29 to sensor No.33.
  • Figure 3 shows a frontal longitudinal section that allows to see the articulation of the pieces that constitute the Digital Vascular Manometer and perspective of some internal parts.
  • FIG 4 Shows a frontal longitudinal section that allows to see the articulation of the pieces and the own modifications for analog gauge.
  • Figure 5 shows a front longitudinal section that allows to see the articulation of the parts and the own modifications for liquid pressure gauge.
  • Figure 6 shows the technique and the spindle of the Vascular Manometer compared to the traditional technique and instrument.
  • FIG. 70 sensor that presents the No. 71 sensor on its distal part.
  • the No. 70 control box on its front panel has a liquid No.52 quartz screen.
  • Figure 9 shows a plane with dimensions of the pressure sensor and the dopler sensor showing the location of the pressure sensor No. 67, and inside the conduit for filaments of the piezoelectric crystals No.66 emitted by the piezoelectric crystals No. 20 .
  • Figure 10 shows a plan of the shape and dimensions of the pressure sensor with dimensions and conduits for filaments of piezoelectric crystals No. 66.

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  • Health & Medical Sciences (AREA)
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  • Animal Behavior & Ethology (AREA)
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  • Heart & Thoracic Surgery (AREA)
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  • General Health & Medical Sciences (AREA)
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  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)

Abstract

L'invention concerne un manomètre vasculaire servant à mesurer la pression sanguine des artères et veines superficielles chez les humains et les spécimens par application d'une force réglée dans une zone proportionnelle au diamètre du vaisseau mesuré. L'analyse dopler détermine la fréquence cardiaque, le flux sanguin et le rythme cardiaque. Il est composé d'un corps cylindrique sur l'extrémité distale inférieure présentant un capteur et une boîte électromécanique de commande sur l'extrémité supérieure, les composants séparés intègrant trois unités, à savoir une boîte de contrôle, un câble de connexion et une sonde; d'un système capteur de mouvement dopler; et d'un système capteur électronique de pression ou de haut ressort avec une force graduée afin d'émettre la lecture de pression déterminée pour le système de manomètre analogique, numérique ou à colonne de mercure. Au moment de l'application de la force sur l'artère ou la veine, on enregistre et écoute le flux sanguin pour déterminer les mesures mentionnées.
PCT/MX2007/000038 2006-10-25 2007-03-14 Manomètre vasculaire a capteur de flux servant à mesurer la pression sanguine des artères et veines superficielles chez les humains et les spécimens WO2008051063A1 (fr)

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MXPA06012352 2006-10-25
MXPA/A/2006/012352 2006-10-25

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WO2008051063A1 true WO2008051063A1 (fr) 2008-05-02

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
US10710297B2 (en) 2013-12-30 2020-07-14 Samsung Electronics Co., Ltd. Three-dimensional printer and operating method for the same
CN116687453A (zh) * 2023-08-01 2023-09-05 广州雪利昂生物科技有限公司 一种用于肺部检测的掌上超声仪

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US1900285A (en) * 1927-07-09 1933-03-07 W I Huber Inc Sphygmomanometer
US1942982A (en) * 1929-11-11 1934-01-09 Schneider Rudolf Testing device
US4127114A (en) * 1976-08-30 1978-11-28 Carba S.A. Apparatus for the automatic measurement of the arterial pressure of a patient
US4466210A (en) * 1983-08-01 1984-08-21 Koontz Regis A Load setter gauge
US4538618A (en) * 1983-03-14 1985-09-03 Lior Rosenberg Fluid flow detector particularly useful for microvascular monitoring
US4867170A (en) * 1987-07-03 1989-09-19 Kabuskiki Kaisha Hi Bridge Measuring apparatus for blood pressure
GB2223845A (en) * 1988-10-14 1990-04-18 Brian Arthur Evans Digital tyre pressure gauge
US5168751A (en) * 1991-08-01 1992-12-08 Raymond Hwang Digital tire pressure gauge
GB2298922A (en) * 1995-03-11 1996-09-18 Raymond Hwang Signal converting mechanism of digital tire pressure gauge
US5644074A (en) * 1996-03-14 1997-07-01 Huang; Tien-Tsai Pressure gauge reset mechanism

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE469703C (de) * 1926-08-10 1928-12-28 Carl Kanty Blutdruckmesser
US1900285A (en) * 1927-07-09 1933-03-07 W I Huber Inc Sphygmomanometer
US1942982A (en) * 1929-11-11 1934-01-09 Schneider Rudolf Testing device
US4127114A (en) * 1976-08-30 1978-11-28 Carba S.A. Apparatus for the automatic measurement of the arterial pressure of a patient
US4538618A (en) * 1983-03-14 1985-09-03 Lior Rosenberg Fluid flow detector particularly useful for microvascular monitoring
US4466210A (en) * 1983-08-01 1984-08-21 Koontz Regis A Load setter gauge
US4867170A (en) * 1987-07-03 1989-09-19 Kabuskiki Kaisha Hi Bridge Measuring apparatus for blood pressure
GB2223845A (en) * 1988-10-14 1990-04-18 Brian Arthur Evans Digital tyre pressure gauge
US5168751A (en) * 1991-08-01 1992-12-08 Raymond Hwang Digital tire pressure gauge
GB2298922A (en) * 1995-03-11 1996-09-18 Raymond Hwang Signal converting mechanism of digital tire pressure gauge
US5644074A (en) * 1996-03-14 1997-07-01 Huang; Tien-Tsai Pressure gauge reset mechanism

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10710297B2 (en) 2013-12-30 2020-07-14 Samsung Electronics Co., Ltd. Three-dimensional printer and operating method for the same
CN116687453A (zh) * 2023-08-01 2023-09-05 广州雪利昂生物科技有限公司 一种用于肺部检测的掌上超声仪
CN116687453B (zh) * 2023-08-01 2023-10-10 广州雪利昂生物科技有限公司 一种用于肺部检测的掌上超声仪

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