Abstract: A cuff assembly for placement around a body vessel comprises a cuff member sized to substantially surround the body vessel, and a tether assembly engaged with the cuff member. The tether assembly is sized to at least substantially encircle the cuff member, and includes a locking mechanism for releasably maintaining a selected tension when the tether assembly encircles the cuff member. The tether assembly may comprise a tether and a tab, wherein the tab is engaged with the cuff member and has an aperture therethrough. The distal end of the tether is engaged with the tab. The locking mechanism may comprise a plurality of stop members disposed along a surface of the tether.

Abstract: A cuff for a blood pressure monitor is provided with an air bag including a first bag member located outside and a second bag member located inside in the thickness direction when fitted on a living body. The first and second bag members have first and second inflated/deflated spaces, respectively. The second bag member is formed by laying a single-layer resin sheet on the surface on the living body side of the first bag member and by melting and bonding its rim to the surface. A bonded portion of the first bag member with the resin sheet is positioned inner than each end in the width direction of the first inflated/deflated space. Thus, a cuff for a blood pressure monitor fabricated with ease and at low cost, exhibiting high pressing performance and high avascularization performance, and suitable for reduction of cuff width can be provided.

Abstract: A cuff for measuring volume and change in volume of a body appendage includes a hollow, rigid tube having an inner surface; and a bladder having an inner surface and an outer surface, the ends of the bladder being sealed to the ends of the tube to create an enclosed internal volume between the inner surface of the bladder and the inner surface of the tube and an external volume defined by the outer surface of the bladder and surrounded by the internal volume, the bladder having a normal, relaxed state, in which the internal volume is filled with a fluid and a retracted state in which the fluid is evacuated from the internal volume. Two stiffener ribs placed on the inner surface of the bladder, parallel to each other and to the lengthwise axis of the tube at diametrically opposite positions. A plurality of emitters and detectors arranged in a linear array are embedded in one of the ribs, so as to emit and detect light through the bladder.

Abstract: A blood pressure monitor is provided with a box-shaped housing having openings formed in left and right side walls, a cuff transversely arranged in the housing and including an arm entrance and an arm exit at the opposite left and right ends corresponding to the openings. The cuff is formed with a blood flow blocking bag in a specified area. The opposite ends of the cuff is taken up by a cuff take-up drum such that the blood flow blocking bag extends along the outer circumferential surface of the inserted arm at the time of a measurement and a compressed air is supplied to the blood flow blocking bag to block the blood flow.

Abstract: A blood pressure cuff including an inflatable bladder disposed between an elastic, resilient inner layer of material and at least one outer layer of material. The bladder is secured to these layers along the elongate ends but not along the elongate edges. The bladder is not laterally constrained during inflation. The cuff is formed into a cylindrical shape having a fixed outer diameter and includes a backing layer and apparatus for securing the bladder to a layer of the cuff to hold the bladder in place during donning of the cuff. Because the bladder is not constrained along its contact-width edges, the shape of the bladder automatically adjusts to provide a longer contact surface for larger arms and a shorter contact surface for smaller arms. The cuff is especially suited for use as a closed cuff in an automated blood pressure measurement machine or in stand-alone measurement use.

Abstract: An optical noninvasive vital sign monitor comprising a reflectance-type optical sensor within a pressurizable capsule retained by a headband, the capsule having an optically transparent or translucent inner wall adapted for placement against a subject's forehead. The optical sensor is mounted on the inside surface of the pressurizable capsule's inner wall, which contacts the subject's forehead during use, and includes a light source and a photodetector aimed toward the inside surface of the inner capsule wall. One embodiment of the vital sign monitor includes optical oscillometric circuit means responsive to an output signal from the optical sensor for determining systolic pressure, mean pressure and diastolic pressure during a transition in capsule pressure between a pressure greater than normal systolic pressure and a pressure less than normal diastolic pressure.

Abstract: A device for securing a living body by pressing includes a living body pressing air bag, a curled elastic member of an approximately cylindrical shape, disposed on the outside of the living body pressing air bag and changeable in size in a radial direction, and a curled elastic member pressing air bag, disposed on the outside of the curled elastic member and inflated to press an outer peripheral surface of the curled elastic member inward to reduce a diameter of the curled elastic member, to thereby press the living body pressing air bag against the living body via the curled elastic member. This can provide a living body pressing and securing device provided with a novel automatic cuff winding mechanism that can simplify and downsize the winding mechanism, hardly causes skin tension on the body surface, and ensures uniform winding strength over the entire surface of the pressed site.

Abstract: A cuff for a blood pressure monitor includes a cuff main unit wound around a measurement site of a living body, and a handle provided on the outer peripheral surface of the cuff main unit and gripped with a hand for fitting the cuff. The cuff main unit includes a cover member in which an air bag for pressing the living body and a curled elastic member wound annularly on the outside of the air bag and radially changeable in size are contained, and a diameter increasing/decreasing mechanism for increasing/decreasing a diameter of the curled elastic member. The handle has a push-button for increasing/decreasing the diameter of the curled elastic member by switching an operation of the diameter increasing/decreasing mechanism. This can provide a cuff for a blood pressure monitor permitting easy mounting/dismounting with respect to the measurement site of the living body.

Abstract: To facilitate carrying by making a sphygmomanometer combining a blood-constricting cuff band with a sphygmomanometer unit thin and compact when not engaged in measurement, a sphygmomanometer combines blood-constricting cuff band 1 with sphygmomanometer unit 2, and constitutes a structure that can be switched between measurement position (I) with sphygmomanometer unit 2 overlapping blood-constricting cuff band 1 and storage position (II) with blood-constricting cuff band 1 and sphygmomanometer unit 2 placed side by side.

Abstract: An inflatable cuff for blood pressure measurement includes a first inflatable bag to press an arterial vessel of a body portion of a living subject for stopping blood flow; a second inflatable bag for sensing a pulse wave propagating along the arterial vessel, which is supported by the inflatable cuff such that the second inflatable bag is located inside a downstream-side portion of the first inflatable bag in the direction of the blood flows; a shielding member disposed between the first inflatable bag and the second inflatable bag so as to prevent an oscillation of the first inflatable bag from propagating to the second inflatable bag; and a slidable separating member disposed between the shielding member and the second inflatable bag so as to prevent generation of a noise caused by a slide contact of the shielding member with the second inflatable bag.

Abstract: The present invention discloses a tunnel type electronic sphygmomanometer measuring unit assembly that mainly improves the assembly between a measuring unit of a tunnel type electronic sphygmomanometer and a tunnel type electronic sphygmomanometer body of a prior art by installing an axle unit between the measuring unit of tunnel type electronic sphygmomanometer and the tunnel type electronic sphygmomanometer body to provide a multidirectional rotary function, such that the sphygmomanometer can be rotated in different directions by means of the axle unit to fit the posture of a user when a blood pressure is measured, and thus the invention enhances the accuracy of the sphygmomanometer for measuring blood pressure.

Abstract: The invention provides a variety of cuff design for blood pressure monitor, which assures an easy and firm fitting to an arm of a patient. Specifically, the curled elastic member of the cuff is overlapped at both end portions for easy fitting. The rigidity and thickness of the curled elastic member are designed to follow the shape of the upper arm of the patient, which significantly varies in size depending on the location of the arm.

Abstract: Inflatable blood pressure cuff assemblies include an inflatable elongate cuff member having opposing long edges and opposing short edge portions with a fluid chamber therein and a resilient support sleeve attached to a respective one of the opposing short edge portions of the inflatable elongate cuff member. The sleeve may be configured with a sensor chamber and a cable routing channel. Related systems and methods of fabricating cuff assemblies and resilient support sleeves are also described.

Abstract: An inflatable cuff for blood pressure measurement includes a first inflatable bag which is inflatable to press an arterial vessel of a body portion of a living subject and stop flow of blood in the arterial vessel which the inflatable cuff is adapted to be wound around the body portion; a second inflatable bag for sensing a pulse wave propagating along the arterial vessel, which is supported by the inflatable cuff such that the second inflatable bag is located inside a downstream-side portion of the first inflatable bag in the direction of the blood flows in the arterial vessel, and which has a dimension as measured in the direction that is smaller than a dimension of the first inflatable bag as measured in said direction; and a fluid-filled bag which is located between the second inflatable bag and the body portion and which is filled with incompressible fluid.

Abstract: A method for measuring blood pressure and pulse rate with a pump-less mechanical compression apparatus, wherein the pump-less mechanical compression apparatus comprises a compression assembly with a closed system air bag having a fixed air volume fastened on the human body measuring site; a sensor coupled to the air bag for sensing pressure change inside the air bag; a processor for processing the pressure change; and a display. Through the use of the mechanical compression assembly, the pressure inside the air bag can be increased and steadily released to achieve the same measuring effects as traditional sphygmomanometer/sphygmometer. The apparatus invention also comprises a deactivation assembly and an alarm for safety purpose.

Abstract: A method and a device for non-invasive blood pressure measurement wherein the angle between the hand and the wrist, and the turning angle of the wrist relative to the middle part of the forearm, are kept to the most suitable degree for measuring the blood pressure of the radial artery. At least one pressure bladder and one arterial pulse transducer array are placed on the skin over the radial artery of the wrist to apply the external pressure to the artery and to detect the change of the arterial pulse signals. This method and device can correctly measure the intermittent or continuous blood pressure of the radial artery or the ulnar artery based on the principles of oscillation method and volume compensation method, and effectively eliminate the influence on the measurement due to body movement and the influence on blood circulation and neural function of the hand caused by long-term blood pressure measurement.

Abstract: Provide is a wrist type blood pressure meter cuff not oppressing the non-selected artery so as to prevent its pulse waves from mixing into pulse waves of the selected artery necessary for measurement, in a cuff used in a blood pressure meter for measuring blood pressures by selecting and oppressing one artery of the wrist. A wrist type blood pressure meter cuff comprises a fluid bag for oppressing a selected artery of either radial artery or ulnar artery located at the wrist by feeding fluid inside to inflate, and a fixing member for fixing the fluid bag at the wrist. By forming a gap between the fixing member and the wrist, the oppressing pressure directly applied from the fixing member to the wrist at which the non-selected artery is located is set smaller than the oppressing pressure directly applied from the fixing member to other position of the wrist when oppressing the wrist by inflating the fluid bag. This gap is produced by a swollen part provided in the fixing member.

Abstract: A blood pressure measuring apparatus having an inflatable cuff including a first inflatable bag adapted to be worn on a body portion of a living subject so as to exclude blood from an artery located in the body portion, and a second inflatable bag adapted to be worn on the body portion, on a distal side of a middle portion of the first inflatable bag, so as to detect a pulse wave produced from the artery, a first piping which is connected to the first inflatable bag, a second piping which is branched from the first piping and is connected to the second inflatable bag, a pump which supplies an inflating fluid to the first and second inflatable bags via the first and second pipings, respectively, a blood pressure determining device which determines a blood pressure of the subject based on the pulse wave detected through the second inflatable bag when a pressing pressure of the first inflatable bag is changed, and a switching device which is provided in the second piping and which selectively switches the second

Abstract: In a cuff of a blood pressure monitor, a distance along bending of a first expandable portion is set so as to be different from a distance along bending of a second expandable portion at the time of deflation. When a fluid bladder for pressurizing is inflated with a fluid fed thereinto, the second expandable portion expands longer. As a result, force, which is generated on a cuff fixing element which is pushed by the fluid bladder for pressurizing, acts to a vertical direction with respect to an axial direction of a subject.

Abstract: Provided is a blood pressure meter cuff fastener having a function capable of switching between a winding length of a blood pressure meter cuff fastener in measurement of a blood pressure and a winding length of the blood pressure meter cuff fastener which is mounted for a long time other than measurement of a blood pressure with ease. A blood pressure meter cuff fastener has a first body section 102, a second body section 103 provided pivotably around a pivot section 142 on the other end side of the first body section 102 so as to be folded on the first body section 102, and a third body section 104 provided pivotably around a pivot section 141 on the other side of the second body section 103 from the side on which the first body section 102 thereof is provided so as to be folded on the second body section 103, and selection can be easily conducted of one of three states including a measuring winding length state, a non-measuring winding state and a mount/demount length state.

Abstract: A pulse wave measuring apparatus is disclosed which is capable of measuring the pulse wave accurately in stable fashion and which can be reduced in size and integrated for an improved convenience. The pulse wave measuring apparatus comprises a sensor unit having a plurality of semiconductor pressure sensors, a fixing stand for fixing a living organism in position, a pressure cuff for pressing the semiconductor pressure sensors against the living organism, and a press operation control unit for controlling the press operation of the pressure cuff. The press operation control unit is arranged in the fixing stand.

Abstract: An inflatable cuff for blood pressure measurement includes a first inflatable bag which is inflatable to press an arterial vessel of a body portion of a living subject and stop flow of blood in the arterial vessel which the inflatable cuff is adapted to be wound around the body portion; a second inflatable bag for sensing a pulse wave propagating along the arterial vessel, which is supported by the inflatable cuff such that the second inflatable bag is located inside a downstream-side portion of the first inflatable bag in the direction of the blood flows in the arterial vessel, and which as a dimension as measured in the direction that is smaller than a dimension of the first inflatable bag as measured in said direction; and a fluid-filled bag which is located between the second inflatable bag and the body portion and which is filled with incompressible fluid.

Abstract: An electronic sphygmomanometer, comprising a processor, a pressure sensor coupled to said processor, a cuff coupled to said pressure sensor, an inflating and quick releasing unit coupled to said cuff and a slow deflating device. The inflating and quick releasing unit has a driving element (motor), an inflating device, and a quick releasing device, and the driving element (motor) drives the inflating device in one direction to inflate air into the cuff and increase the pressure after receiving an inflating signal from the processor. The slow deflating device deflates the air in the cuff to adjust the pressure after the pressure reaches a predetermined setting. After the measurements are completed, the driving element (motor) instructs the quick releasing device in the inflating and quick releasing unit to rotate in the opposite direction to quickly discharge the air remaining in the cuff. Such arrangement constitutes an inflating and quick releasing device that can be inflated and quickly deflated.

Abstract: A device (1) for monitoring a vital sign of a living subject, comprising a measuring unit (2) for measuring at least one physical quantity indicative of said vital sign at an area (8) overlying an artery (7) of the subject, which measuring unit (2) is provided on a carrier (3) to be worn by the subject during operation, and a processing unit (4) for processing the measured physical quantity into a value for the vital sign, which device (1) is provided with at least one detector (5) for detecting the position of the measuring unit (2) relative to the artery (7) of the subject during operation and for actuating a feedback signal (Ufeedback) in dependence on this position. The user can move the device (1) relative to the artery (7) until the feedback signal (Ufeedback) is given, and thus a correct positioning of the measuring unit (2) relative to the artery (7) is achieved in an easy manner.

Abstract: Provide is a blood pressure meter cuff capable of avoiding an influence of an edge effect by pressurizing only a portion of a blood vessel in the downward vicinity of the body surface to thereby measure a correct blood pressure. A blood pressure meter cuff 1 includes: a fluid bag into which a fluid is injected; and a fixing tool fixing the fluid bag on a limb of a human body or the like, wherein a width, in the axial direction of the limb, of the fluid bag is a value suitable for selectively pressurizing only a portion of a blood vessel present in the downward vicinity of the skin. In a case where pressurization is imposed on only a portion of the radial artery present in the downward vicinity of the body surface and adjacent to a radial styloid process of a wrist, a width, in the axial direction of a limb, of the fluid bag is set to 15 mm or more and 25 mm or less.

Abstract: A member-illuminating cuff for measurement of systolic, mean and diastolic pressure, oxygen saturation, pulse and respiratory rate in small body members, comprising a hinged cuff housing, one or more light sources mounted on a first section of the housing, a photodetector mounted on a second section of the housing, and a disposable, inflatable cuff adapted to fit within the cuff housing and around a body member placed therein.

Abstract: Provide is a wrist type blood pressure meter cuff not oppressing the non-selected artery so as to prevent its pulse waves from mixing into pulse waves of the selected artery necessary for measurement, in a cuff used in a blood pressure meter for measuring blood pressures by selecting and oppressing one artery of the wrist. A wrist type blood pressure meter cuff comprises a fluid bag for oppressing a selected artery of either radial artery or ulnar artery located at the wrist by feeding fluid inside to inflate, and a fixing member for fixing the fluid bag at the wrist. By forming a gap between the fixing member and the wrist, the oppressing pressure directly applied from the fixing member to the wrist at which the non-selected artery is located is set smaller than the oppressing pressure directly applied from the fixing member to other position of the wrist when oppressing the wrist by inflating the fluid bag. This gap is produced by a swollen part provided in the fixing member.

Abstract: A plurality of cushions are provided in the airbag of a cuff apparatus, spaced apart from one another and thus maintaining the airbag in an inflated state before compressed air is introduced into the airbag. This shortens the time required to supply the compressed air and minimizes the resistance to the body part being inserted into the cuff apparatus. Therefore, the body part can smoothly enter the cuff apparatus and the flow of blood can be sufficiently suppressed.

Abstract: An inflatable product includes overlapped areas of flexible material forming an inflatable pouch that is bounded by bonded regions of the flexible material and that includes a limited opening for inflating the pouch. The flexible material includes multiple fastening regions including a first fastening region in which an array of fastener elements with stems are arranged, the stems are integrally molded with and extending from a common resin substrate, and a second fastening region of fibrous loops releasably engageable with the fastener elements.

Abstract: A blood pressure measuring apparatus includes an inflatable cuff which can be wrapped about the limb of a patient. The sleeve includes a sealed interior capable of inflation, and an integrated inflation/measuring device. The integrated device is an elastomeric enclosure which retains a gage and a pneumatic bulb therein and hosing for fluidly interconnecting the pneumatic bulb, the inflatable cuff, and the gage.

Abstract: A bladder incorporated in a cuff includes an outer wall located at the outer side, an inner wall located at the inner side, side walls connected to both side ends of the outer wall and the inner wall in the wrapping direction, and folded inward of the bladder, and a joint connecting the side walls inside the bladder. A sphygmomanometer cuff is provided that can maintain the former configuration even when inflated or deflated without change in the width even if the bladder is inflated, and that does not dilate in the width direction when inflated.

Abstract: A blood pressure measuring apparatus includes an inflatable sleeve adapted to be wrapped about a limb of a patient. The sleeve includes an interior and at least one socket provided on an exterior surface of the sleeve, the socket being fluidly connected to the interior of the sleeve. A gage is directly attached to the sleeve socket through attachment of a mating engagement portion. A pneumatic bulb is also attached fluidly to the sleeve through a receiving port which is provided on at least one of the socket and the gage.

Abstract: Inflatable blood pressure cuff assemblies include an inflatable elongate cuff member having opposing long edges and opposing short edge portions with a fluid chamber therein and a resilient support sleeve with at least one rib support member, the sleeve attached to a respective one of the opposing short edge portions of the inflatable elongate cuff member. The sleeve may be configured with a sensor chamber and a cable routing channel. Related systems and methods of fabricating cuff assemblies and resilient support sleeves are also described.

Abstract: A wrist type bloodpressure monitor (1) is provided with an interface connector (16) for calibration purposes. The correct values of the blood pressure are measured with a calibration device (20) including an upper arm blood pressure measuring monitor (11). The values (D′, S′) measured in this way are used to recalibrate the wrist type blood pressure monitor (1). The wrist type blood pressure monitor (1) is therefore provided with an editable memory (5) for the purpose of recalibration.

Abstract: An advertising method, including the step of displaying, during a blood-pressure measuring operation of an automatic blood-pressure measuring apparatus including an inflatable cuff and a display device, an advertisement on the display device.

Abstract: A non-invasive apparatus for measuring cardiac mechanical performance of a patient, the apparatus comprising a pressure applying element mountable on a limb of the patient for applying pressure high enough to make a segment of an artery within the limb achieve a collapsed state and empty it from blood at least momentarily; at least one of a plurality of sensors coupled to said pressure applying element, sensing mechanical changes corresponding to volumetric changes in the artery as the artery progressively recuperates from its collapsed state; processing unit communicating with said at least one of a plurality of sensors for receiving output corresponding to the mechanical changes from said at least one of a plurality of sensors and computing factors correlated with blood flow and calculate parameters indicating heart performance.

Abstract: A low cost tourniquet cuff with identification apparatus comprises: an outer strip; an inner strip positioned against the outer strip; a gas-tight seal joining the inner strip to the outer strip to form a cuff having a physical characteristic wherein the cuff includes an inflatable bladder of a predetermined length greater than the circumference of a limb at a selected location; and a cuff connector carried on the cuff and communicating pneumatically with the bladder for releasably connecting to a tourniquet instrument to establish a gas-tight passageway between the bladder and the instrument, wherein the cuff connector includes identification means indicative of the physical characteristic and detectable by the tourniquet instrument upon establishment of the gas-tight passageway.

Abstract: A cuff of a wrist-mount blood pressure monitor includes an inflatable bag to which a predetermined quantity of fluid is supplied in order to press predetermined artery of a wrist, and a fixing member for mounting the inflatable bag on the wrist. The fixing member has a first half split ring-shaped fixing tool and a second half split ring-shaped fixing tool having an approximately ring shape with rigidity for preventing elastic deformation in a state where the inflatable bag is inflated.

Abstract: To provide a cuff for a blood pressure monitor having a curled elastic member which is easily attached to an arm, does not make the subject feel pain when attached, and exhibits a characteristic of excellent fitting. A curled elastic member 1A has one end portion 12 extending outward so as to enwind the other end portion 11 inward. Specifically, from the other end portion 11 to a position where the other end portion 11 is mutually opposite, the radius of curvature gently increases. From the mutually opposite portion to the one end portion 12, the radius of curvature largely increases.

Abstract: The invention provides a variety of cuff design for blood pressure monitor, which assures an easy and firm fitting to an arm of a patient. Specifically, the curled elastic member of the cuff is overlapped at both end portions for easy fitting. The rigidity and thickness of the curled elastic member are designed to follow the shape of the upper arm of the patient, which significantly varies in size depending on the location of the arm.

Abstract: A method and an assembly for identifying a measuring cuff from among different available measuring cuffs in non-invasive blood pressure measurement, in which method measuring electronics and safety electronics as well as a first identification arrangement and a second identification arrangement are used, and in which method the first and the second identification arrangement are used independently from each other. In order to achieve reliable identification, second means for the second identification arrangement are arranged to operate based on the cooperation of a magnet and a circuit identifying a magnetic field.

Abstract: The present invention is directed to a method and apparatus for obtaining blood pressure measurements employing a user releasable and adjustable blood pressure cuff. In one aspect of the invention, the blood pressure cuff apparatus consists of a first cuff member connected to a mounting surface and rotatable about a first axis of rotation substantially perpendicular to the mounting surface. The first cuff member is connected to a second cuff member that is rotatable about a second axis of rotation that is substantially perpendicular to the first. A blood pressure cuff comprised of a loop adapted to receive the arm of a test subject is connected to the second cuff member. In another aspect of the invention, the elongated flexible band has a first end and a second end. The first end is connected to the second member of the cuff housing, and the second end is connected to a cuff retainer.

Abstract: A sphygmomanometer cuff (10A) having an air bag (12) arranged within an outer bag (11), from which a tube (13) attached to the air bag (12) is extended outward, is provided. The outer bag (11) is provided with an opening portion (15) for replacing the air bag, and an anti-rotating member (20) for preventing rotation of the air bag (12) within the outer bag (11) is provided at a tube attaching portion (17) of the air bag (12) or at the vicinity thereof. The tube (13) of the air bag (12) is drawn out of the outer bag (11) through the opening portion (15). This structure allows replacement of the air bag (12) and, in addition, prevents any inconvenience such as winding of the air bag (12) within the outer bag and the like.

Abstract: A bladder incorporated in a cuff includes an outer wall located at the outer side, an inner wall located at the inner side, side walls connected to both side ends of the outer wall and the inner wall in the wrapping direction, and folded inward of the bladder, and a joint connecting the side walls inside the bladder. A sphygmomanometer cuff is provided that can maintain the former configuration even when inflated or deflated without change in the width even if the bladder is inflated, and that does not dilate in the width direction when inflated.

Abstract: A system and method for measuring ventricular function in an isolated, perfused heart using an intraventricular balloon connected to a plumbing circuit containing a fluid, the plumbing circuit including (a) a valve for selectively opening the plumbing circuit to (i) atmospheric pressure or (ii) a pressure control circuit of a pressure control apparatus or (b) a pressure control apparatus which can be selectively connected to the plumbing circuit, including the steps of establishing a base pressure by (1) opening the valve to atmospheric pressure or the pressure control circuit or (2) operating the pressure control apparatus, after equalization of the pressure within the intraventricular balloon with the base pressure, closing the valve or stopping operation of the pressure control apparatus, following the closing of the valve, measuring ventricular function as a function of a titrated infusion of fluid into the plumbing circuit and intraventricular balloon, performing an intervention, and repeating at least t

Abstract: A hemadynamometer has an air bag designed for attaining oppression or ischemia of radial artery only without oppressing ulnar artery, with a length of the bag made, when the bag is wound on a user's wrist on its radial side starting from such hard organization area as tendons on palm side of the wrist through the radial artery, to reach at least styloid process of radius but not to reach the ulnar artery, and with a width set for locally oppressing the radial artery at least substantially right above the styloid process of radius in longitudinal direction of the wrist.

Abstract: A device for application to a body part of a patient to determine the physiological condition of the patient. The device includes a housing, in the form of a hollow socket closed at its distal end and open at its proximal end, for receiving the body part, a pressurizing device for applying a pressure field around the body part when received in the housing, and a sensor for sensing changes in the body part related to changes in pulsatile blood volume therein. The housing includes at least three contiguous but separate sections including a distal end section at its distal tip, a proximal end section at its opposite end, and at least one middle section between the end sections. The pressurizing device applies a pressure field to the portions of the body part received within at least the distal end section and the middle section of the housing. The distal end section is configured to apply pressure to all of the distal portion of the body part including its distal most tip.

Abstract: An inflatable cuff for being wound and inflated around a body portion of a living subject to press the body portion in measuring a blood pressure of the subject, the cuff comprising: an inflatable bag; and an inner sheet member and an outer sheet member which are positioned inside and outside the inflatable bag, respectively, when the cuff is wound around the body portion of the subject; wherein at least a portion of the inner sheet member that is positioned inside the inflatable bag includes at least two layers which are separate from, and superposed on, each other.

Abstract: The present invention is directed to a method and apparatus for obtaining blood pressure measurements employing a user releasable and adjustable blood pressure cuff. In one aspect of the invention, the blood pressure cuff apparatus consists of a first cuff member connected to a mounting surface and rotatable about a first axis of rotation substantially perpendicular to the mounting surface. The first cuff member is connected to a second cuff member that is rotatable about a second axis of rotation that is substantially perpendicular to the first. A blood pressure cuff comprised of a loop adapted to receive the arm of a test subject is connected to the second cuff member. In another aspect of the invention, the elongated flexible band has a first end and a second end. The first end is connected to the second member of the cuff housing, and the second end is connected to a cuff retainer.

Abstract: The invention is directed to a blood pressure monitoring device comprising a central parts mounting module and to a method of manufacturing this parts mounting module. According to the invention fluid channels are produced by gas injection into the interior of the parts mounting module, the walls bounding the fluid channels being completely formed by the material of the parts mounting module. The injection of gas continues for as long as a core of the parts mounting module is still in the liquid phase in the area of the fluid channel, whilst an outer area surrounding the core has already solidified, so that the pressure fluid expels the liquid core area, producing a tubular fluid channel.