WO2009084375A1 - 血圧計用カフおよび血圧計 - Google Patents
血圧計用カフおよび血圧計 Download PDFInfo
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- WO2009084375A1 WO2009084375A1 PCT/JP2008/072239 JP2008072239W WO2009084375A1 WO 2009084375 A1 WO2009084375 A1 WO 2009084375A1 JP 2008072239 W JP2008072239 W JP 2008072239W WO 2009084375 A1 WO2009084375 A1 WO 2009084375A1
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- WIPO (PCT)
- Prior art keywords
- sphygmomanometer
- cuff
- elastic member
- cushion material
- arm
- Prior art date
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—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
- A61B5/02233—Occluders specially adapted therefor
Definitions
- the present invention generally relates to a sphygmomanometer cuff and a sphygmomanometer, and more specifically, a sphygmomanometer cuff and a sphygmomanometer cuff arranged around the upper arm of a subject when measuring blood pressure. It relates to a blood pressure monitor.
- Japanese Patent Application Laid-Open No. 2002-209858 is provided with an elastic plate that can easily be worn on the arm, does not give pain after wearing, and exhibits excellent fit characteristics.
- An arm band of a sphygmomanometer for the purpose is disclosed (Patent Document 1).
- the arm band of the sphygmomanometer disclosed in Patent Document 1 includes an elastic plate that is disposed outside the air bag and has elasticity for holding the annular form of the arm band.
- Japanese Patent Application Laid-Open No. 2004-195056 discloses a sphygmomanometer cuff intended to be easily attached to and detached from a measurement site such as an upper arm portion in a tubular shape (Patent Document 2).
- Patent Document 2 a curved plate that is curved in a C shape by a synthetic resin plate or the like and is elastically deformable in the radial direction is disposed between the outer cloth and the air bag for ischemia. Yes. Further, a sponge material is disposed inside the curved plate.
- a curler (an elastic plate, a curved plate) for biasing an air bag toward an arm may be provided on a cuff for a blood pressure monitor.
- the curler is an elastic body and has flexibility, but a certain degree of hardness is required to fit the sphygmomanometer cuff to the arm.
- the sphygmomanometer cuff having such a configuration, when a test subject adopts a mounting method in which a cylindrical sphygmomanometer cuff is passed from the fingertip to the arm and slid to the measurement site, the end of the curler in the axial direction of the arm is There is a risk that the subject will feel pain when hit by the arm.
- an object of the present invention is to solve the above-described problem, and when a mounting method is adopted in which a sliding movement is performed from the fingertip to the measurement site through the arm, a cuff for a sphygmomanometer and a sphygmomanometer that can obtain a good mounting feeling Is to provide.
- a cuff for a blood pressure monitor includes a fluid bag, a curved elastic member, a cushion material that is easier to compress and deform than the curved elastic member, and an exterior that contains the fluid bag, the curved elastic member, and the cushion material.
- the fluid bag is disposed around the subject's arm and presses the arm.
- the curved elastic member is arranged on the outside of the fluid bag with respect to the arm.
- the curved elastic member is formed in a substantially cylindrical shape extending in a predetermined axial direction, and can be elastically deformed in the radial direction.
- the cushion material is provided at a position protruding from the end of the curved elastic member in the axial direction.
- the sphygmomanometer cuff configured as described above, when the subject slides the sphygmomanometer cuff from the fingertip to the arm and slides to the measurement site (hereinafter, also simply referred to as the operation for attaching the sphygmomanometer cuff).
- the cushion material hits the subject's arm through the exterior body.
- the subject does not feel pain due to contact with the end of the curved elastic member, and a good wearing feeling can be obtained during the wearing operation of the sphygmomanometer cuff.
- the cushion material is fixed to the curved elastic member.
- the displacement of the cushion material with respect to the curved elastic member can be eliminated during the operation of mounting the sphygmomanometer cuff. Thereby, it can prevent more reliably that the edge part of a curved elastic member contacts a test subject's arm.
- the cushioning material is provided so that the end of the cushioning material and the end of the fluid bag in the axial direction are aligned. According to the sphygmomanometer cuff configured as described above, it is possible to avoid an increase in the size of the exterior body due to the arrangement of the cushion material.
- the cushion material is formed from a foamed sponge material or an elastomer. According to the sphygmomanometer cuff configured as described above, since the cushion material having flexibility hits the subject's arm during the operation of mounting the sphygmomanometer cuff, a good wearing feeling can be obtained.
- the cushion material is provided so as to cover the end of the curved elastic member.
- the cushion material is disposed between the curved elastic member and the fluid bag. According to the sphygmomanometer cuff configured in this manner, it is possible to more reliably prevent the end of the curved elastic member from hitting the arm of the subject during the operation of mounting the sphygmomanometer cuff.
- the cushion material is provided integrally with the curved elastic member on the extension of the curved elastic member extending in the axial direction.
- the cushion material and the curved elastic member can be collectively handled during the assembly process of the sphygmomanometer cuff.
- work which inserts a cushioning material inside an exterior body can be performed smoothly.
- the cushion material includes a first part and a second part provided as separate members.
- the end of the curved elastic member is sandwiched between the first portion and the second portion. According to the sphygmomanometer cuff configured as described above, the end of the curved elastic member can be reliably covered with the cushion material with a simple configuration.
- the cushion material extends from one end portion of the curved elastic member in the axial direction toward the other end portion so as to block between the curved elastic member and the exterior body.
- a process of increasing (pressurizing) or lowering (depressurizing) the pressure inside the fluid bag by interposing a cushion material between the curved elastic member and the exterior body.
- the static frictional resistance generated between the curved elastic member and the exterior body can be further reduced.
- the slip between the curved elastic member and the exterior body accompanying the expansion and contraction of the fluid bag can be smoothed, and the measurement accuracy of blood pressure can be improved.
- a sphygmomanometer cuff includes a fluid bag, a curved elastic member, and an exterior body containing the fluid bag and the curved elastic member.
- the fluid bag is disposed around the subject's arm and presses the arm.
- the curved elastic member is arranged on the outside of the fluid bag with respect to the arm.
- the curved elastic member is formed in a substantially cylindrical shape extending in a predetermined axial direction, and can be elastically deformed in the radial direction.
- a curved surface that is curved at a position facing the arm is formed at the end of the curved elastic member in the axial direction.
- the sphygmomanometer cuff configured in this manner, when the subject passes the sphygmomanometer cuff from the fingertip through the arm and slides to the measurement site, the curved surface hits the subject's arm via the exterior body. Thus, the subject does not feel pain due to contact with the end of the curved elastic member, and a good wearing feeling can be obtained during the wearing operation of the sphygmomanometer cuff.
- the end of the curved elastic member has a circular cross-sectional shape.
- the end of the curved elastic member extends in the axial direction of the arm while warping in a direction away from the arm contact surface.
- the blood pressure monitor cuff described in any of the above is used for the blood pressure monitor according to the present invention.
- a sphygmomanometer cuff and a sphygmomanometer that can provide a good wearing feeling when a wearing method is adopted in which sliding is performed from the fingertip to the measurement site through the arm. it can.
- FIG. 1 It is a perspective view which shows the external appearance of a blood pressure meter. It is a functional block diagram which shows the structure of the blood pressure meter in FIG. It is a flowchart which shows the flow of the blood-pressure measurement process of the sphygmomanometer in FIG. It is sectional drawing which shows the cuff for blood pressure monitors wound around the upper arm. It is a figure which shows a mode that a test subject wears the cuff for blood pressure monitors in FIG. 4 on an upper arm. It is sectional drawing which shows the cuff for blood pressure monitors of the range enclosed by the dashed-two dotted line VI in FIG. It is sectional drawing which shows the 1st modification of the cuff for blood pressure monitors in FIG.
- FIG. 1 is a perspective view showing an appearance of a blood pressure monitor. First, a sphygmomanometer including the sphygmomanometer cuff according to Embodiment 1 of the present invention will be described.
- the sphygmomanometer 100 includes an apparatus main body 110 and a sphygmomanometer cuff 150A.
- the apparatus main body 110 includes a display unit 114 and an operation unit 115.
- the display unit 114 displays the measurement result of the blood pressure value, the measurement result of the pulse rate, and the like so as to be visible using numerical values, graphs, and the like.
- a liquid crystal panel or the like is used as this display unit 114.
- the operation unit 115 is provided with a power button, a measurement start button, and the like, for example.
- the sphygmomanometer cuff 150A has a belt-like outer shape and is wound around the upper arm of the subject.
- the sphygmomanometer cuff 150 ⁇ / b> A includes an air bag 21 for compressing the upper arm and a bag-like cover body 31 for winding the air bag 21 around the upper arm and fixing it.
- the air bag 21 is accommodated in a space provided inside the bag-like cover body 31.
- the structure of the sphygmomanometer cuff 150A will be described later in detail.
- the air bladder 21 and the apparatus main body 110 are connected by an air pipe 140 as a connection pipe.
- the air tube 140 is made of a flexible tube, and one end is connected to a blood pressure measurement air system component 131 (see FIG. 2) provided in the apparatus main body 110 described later, and the other end is connected to the air bag 21. .
- FIG. 2 is a functional block diagram showing the configuration of the sphygmomanometer in FIG.
- blood pressure measurement air for supplying or discharging air to / from air bag 21 contained in sphygmomanometer cuff 150 ⁇ / b> A via air tube 140 is provided inside apparatus main body 110 of sphygmomanometer 100.
- a system component 131 is provided.
- the air system component 131 for blood pressure measurement includes a pressure sensor 132 that is a pressure detection unit that detects the pressure in the air bag 21, and a pump 134 and a valve 135 that are expansion and contraction units 133 for expanding and contracting the air bag 21.
- an oscillation circuit 125, a pump drive circuit 126, and a valve drive circuit 127 are provided in association with the blood pressure measurement air system component 131.
- the apparatus main body 110 includes a CPU (Central Processing Unit) 122 for centrally controlling and monitoring each unit, and a memory for storing various information such as a program for causing the CPU 122 to perform a predetermined operation and a measured blood pressure value.
- Power is supplied to the unit 123, the display unit 114 for displaying various information including blood pressure measurement results, the operation unit 115 operated to input various instructions for measurement, the CPU 122, and each functional block Power supply unit 124 is provided.
- the CPU 122 also functions as blood pressure value calculation means for calculating blood pressure values.
- the pressure sensor 132 detects the pressure in the air bladder 21 (hereinafter referred to as “cuff pressure”), and outputs a signal corresponding to the detected pressure to the oscillation circuit 125.
- the pump 134 supplies air to the air bladder 21.
- the valve 135 opens and closes when maintaining the pressure in the air bladder 21 or exhausting the air in the air bladder 21.
- the oscillation circuit 125 outputs a signal having an oscillation frequency corresponding to the output value of the pressure sensor 132 to the CPU 122.
- the pump drive circuit 126 controls the drive of the pump 134 based on a control signal given from the CPU 122.
- the valve drive circuit 127 performs opening / closing control of the valve 135 based on a control signal given from the CPU 122.
- FIG. 3 is a flowchart showing the flow of blood pressure measurement processing of the sphygmomanometer in FIG.
- a program according to this flowchart is stored in advance in the memory unit 123 shown in FIG. 2, and the CPU 122 reads out this program from the memory unit 123 and executes it, thereby executing blood pressure measurement processing.
- step S1 when the subject turns on the power by operating the operation button of operation unit 115 of sphygmomanometer 100, sphygmomanometer 100 is initialized (step S1).
- the CPU 122 starts driving the pump 134 and gradually increases the cuff pressure of the air bladder 21 (step S2).
- step S2 when the cuff pressure reaches a predetermined level necessary for blood pressure measurement, the CPU 122 stops the pump 134, and then gradually opens the closed valve 135 to open the air bag 21.
- the cuff pressure is gradually exhausted and the cuff pressure is gradually reduced (step S3), and the cuff pressure is detected in the slow depressurization process of the cuff pressure.
- the CPU 122 calculates a blood pressure value (maximum blood pressure value, minimum blood pressure value) by a known procedure (step S4). Specifically, in the process of gradually reducing the cuff pressure, the CPU 122 extracts pulse wave information based on the oscillation frequency obtained from the oscillation circuit 125. Then, a blood pressure value is calculated from the extracted pulse wave information. When the blood pressure value is calculated in step S4, the calculated blood pressure value is displayed on the display unit 114 (step S5).
- the measurement method described above is based on a so-called decompression measurement method that calculates a blood pressure value by detecting a pulse wave when the air bag is depressurized. It is naturally possible to adopt a so-called pressurization measurement method for calculating the blood pressure value.
- FIG. 4 is a cross-sectional view showing a sphygmomanometer cuff wound around the upper arm.
- air bag 21 has a substantially rectangular outer shape in the unfolded state, and is preferably made of a bag-like member formed using a resin sheet.
- the air bag 21 includes a sheet member 22 that forms an inner wall portion located on the living body side that is the upper arm 210 in a state of being attached to the upper arm 210, and a sheet member 23 that forms an outer wall portion located outside the inner wall portion. including.
- the sheet member 22 and the sheet member 23 are overlapped with each other, and the peripheral edge thereof is thermally welded, so that an inflating / deflating space 24 is formed inside the air bag 21.
- the already-described air tube 140 is connected to the expansion / contraction space 24.
- any material can be used as the material of the resin sheet forming the air bladder 21 as long as it is highly stretchable and does not leak from the expansion / contraction space 24 after welding.
- suitable materials for the resin sheet include ethylene-vinyl acetate copolymer (EVA), soft vinyl chloride (PVC), polyurethane (PU), polyamide (PA), raw rubber, and the like.
- the bag-shaped cover body 31 includes an inner cover member 32 that forms an inner exterior portion that is located on the upper arm 210 side when mounted on the upper arm 210, and an outer exterior portion that is located on the opposite side of the upper arm 210 with the air bag 21 interposed therebetween. And an outer cover member 33 constituting the.
- the inner cover member 32 and the outer cover member 33 are overlapped with each other, and the peripheral edges thereof are joined using a bias tape 34.
- the bag-like cover body 31 is preferably formed of a cloth made of synthetic fiber such as polyamide (PA) or polyester.
- the inner cover member 32 of the bag-like cover body 31 is preferably configured with a member having excellent stretchability, and the outer cover member 33 of the bag-like cover body 31 is preferably more flexible than the inner cover member 32. Consists of poor-quality members.
- a surface fastener 36 is provided on the outer peripheral surface of one end in the longitudinal direction of the bag-shaped cover body 31, and this surface fastener 36 engages with the inner peripheral surface of the other end in the longitudinal direction of the bag-shaped cover body 31.
- the surface fastener 36 is a locking means for winding and fixing the sphygmomanometer cuff 150 ⁇ / b> A around the upper arm 210 in a state where the sphygmomanometer cuff 150 ⁇ / b> A is attached to the upper arm 210 as a measurement site.
- the sphygmomanometer cuff 150A includes a curler 11 that urges the air bag 21 toward the inside.
- the curler 11 has a substantially rectangular outer shape in the unfolded state.
- the curler 11 is formed in a cylindrical shape extending in the axial direction of the central axis 220 which is a virtual axis so as to fit the upper arm 210, and is configured to be elastically deformable in the radial direction by being wound in an annular shape. It consists of a flexible member.
- the curler 11 is arranged inside the bag-like cover body 31 and on the outer side of the air bag 21 with respect to the upper arm 210.
- Curler 11 is formed of a resin member such as polypropylene (PP) so as to exhibit a sufficient elastic force.
- PP polypropylene
- FIG. 5 is a view showing a state in which the subject wears the sphygmomanometer cuff in FIG. 4 on the upper arm.
- sphygmomanometer cuff 150 ⁇ / b> A as a method of attaching sphygmomanometer cuff 150 ⁇ / b> A, sphygmomanometer cuff 150 ⁇ / b> A in a deployed state is applied to upper arm 210, and surface fastener 36 is tightened while bag-like cover body 31 is tightened against upper arm 210.
- a method of engaging the inner peripheral surface of the bag-shaped cover body 31 is common.
- a method may be employed in which the sphygmomanometer cuff 150A in a cylindrical state is passed through the arm 200 from the fingertip and slid to the upper arm 210 along the axial direction of the arm 200.
- FIG. 6 is a cross-sectional view showing the sphygmomanometer cuff in a range surrounded by a two-dot chain line VI in FIG.
- a cross section of the end of the sphygmomanometer cuff 150A in the axial direction of the central shaft 220 (hereinafter referred to as the direction indicated by the arrow 230) is shown.
- the curler 11 includes an end 12. With the sphygmomanometer cuff 150 ⁇ / b> A passed through the arm 200, the end 12 is disposed at the end of the curler 11 in the direction indicated by the arrow 230.
- the end portion 12 is disposed at the end on the upper arm 210 side opposite to the fingertip in the direction indicated by the arrow 230. In a state where the curler 11 is unfolded, the end portion 12 is disposed along the long side of the curler 11 having a substantially rectangular outer shape.
- the sphygmomanometer cuff 150 ⁇ / b> A includes a cushion material 51.
- the cushion material 51 is provided at a position protruding from the end portion 12 in the direction indicated by the arrow 230.
- the cushion material 51 is provided at a position protruding from the end portion 12 to the outside of the curler 11 in the direction indicated by the arrow 230.
- the cushion material 51 is accommodated in the bag-shaped cover body 31 together with the air bag 21 and the curler 11.
- the cushion material 51 is fixed to the curler 11.
- the cushion material 51 is disposed so as to overlap the air bag 21.
- the cushion material 51 is disposed between the outer cover member 33 of the bag-like cover body 31 and the air bag 21.
- the cushion material 51 is provided at the end portion 12 on the upper arm 210 side of the curler 11, but the cushion material 51 may also be provided at the opposite end portion.
- the cushion material 51 has a characteristic that it is easier to compress and deform than the curler 11. That is, if the same amount of force is applied to the curler 11 and the cushion material 51 having the same outer shape, the deformation amount of the cushion material 51 becomes larger than the deformation amount of the curler 11.
- the cushion material 51 is formed of a foamed sponge material or an elastomer.
- the cushion material 51 is formed of a material different from that of the curler 11.
- curler 11 is formed of polypropylene
- cushion material 51 is formed of a softer resin material than polypropylene.
- the subject can apply the soft cushion material 51 to the arm 200 when the cuff 150A for blood pressure monitor in a tubular state is passed through the arm 200 and attached to the upper arm 210.
- the end 12 of the curler 11 is prevented from hitting the arm 200, and the subject does not feel pain when the cuff 150A for blood pressure monitor is attached.
- the cushion material 51 since the cushion material 51 is fixed to the curler 11, the cushion material 51 does not cause a positional shift with respect to the curler 11. For this reason, it can prevent more reliably that the edge part 12 of the curler 11 hits the arm 200.
- the cushion material 51 is provided integrally with the curler 11 on the extension of the curler 11 extending in the direction indicated by the arrow 230.
- the curler 11 includes an outer surface 11 a facing the outer cover member 33 and an inner surface 11 b facing the inner cover member 32.
- the cushion material 51 includes an outer surface 51 a facing the outer cover member 33 and an inner surface 51 b facing the inner cover member 32.
- the cushion material 51 is provided such that the outer surface 11a and the inner surface 11b and the outer surface 51a and the inner surface 51b extend in the same plane.
- the curler 11 in which the cushion material 51 is integrated is formed by, for example, molding the curler 11 as a single resin, placing the curler 11 in a mold, and injecting a resin material forming the cushion material 51 into the mold. Manufactured. With such a configuration, the curler 11 and the cushion material 51 can be collectively handled during the assembly process of the sphygmomanometer cuff 150A. Further, since the cushion material 51 is provided on the extension of the curler 11 extending in the direction indicated by the arrow 230, the curler 11 in which the cushion material 51 is integrated can be smoothly inserted into the bag-like cover body 31.
- the cushion material 51 is provided so that the end portion 51 c of the cushion material 51 and the end portion 21 c of the air bag 21 are aligned in the direction indicated by the arrow 230. With such a configuration, the provision of the cushion material 51 does not increase the size of the bag-like cover body 31, and the size of the sphygmomanometer cuff 150A can be suppressed.
- the sphygmomanometer cuff 150 ⁇ / b> A is disposed around the arm 200 of the subject, and the air bag 21 as a fluid bag compressing the arm 200, and the air bag 21 outside the air bag 21.
- a curler 11 as a curved elastic member that is arranged in an overlapping manner and extends in a direction indicated by an arrow 230 as a predetermined axial direction and elastically deformable in the radial direction, and a curler in a direction indicated by an arrow 230 11 is provided with a cushion material 51 which is provided at a position protruding from the end portion 12 of the 11 and is more easily compressed and deformed than the curler 11, and a bag-like cover body 31 containing the air bag 21, the curler 11 and the cushion material 51.
- the subject passes the sphygmomanometer cuff 150A in a cylindrical state through the arm 200 and the upper arm 210.
- the end 12 of the curler 11 does not hit the arm 200 and feel pain. For this reason, it is possible to improve the wearing feeling during the wearing operation of the sphygmomanometer cuff 150A.
- FIG. 7 is a cross-sectional view showing a first modification of the sphygmomanometer cuff in FIG. 6.
- sphygmomanometer cuff 150 ⁇ / b> A includes cushion material 56.
- the cushion material 56 is fixed to the curler 11 with an adhesive, for example.
- the cushion material 56 is provided so as to cover the end 12 of the curler 11.
- the cushion material 56 is provided over the range of the outer surface 11a, the end side of the end portion 12, and the inner surface 11b.
- sphygmomanometer cuff 150 ⁇ / b> A includes cushion material 61.
- the cushion material 61 is disposed between the curler 11 and the air bag 21.
- the cushion material 61 is joined to the inner surface 11 b of the curler 11. According to the modification shown in FIG. 7 and FIG. 8, it is possible to more reliably prevent the end portion 12 of the curler 11 from hitting the arm 200 when the sphygmomanometer cuff 150 ⁇ / b> A is attached.
- FIG. 9 is a cross-sectional view showing a third modification of the sphygmomanometer cuff in FIG.
- sphygmomanometer cuff 150 ⁇ / b> A includes cushion material 66.
- the cushion material 66 includes an inner cushion material 67 as a first portion and an outer cushion material 68 as a second portion, which are provided as separate members.
- the inner cushion material 67 and the outer cushion material 68 may have the same shape.
- the inner cushion material 67 and the outer cushion material 68 are provided so as to sandwich the end portion 12 of the curler 11.
- the inner cushion material 67 is joined to the inner surface 11 b of the curler 11, and the outer cushion material 68 is joined to the outer surface 11 a of the curler 11.
- the cushion material 66 covering the end portion 12 of the curler 11 can be configured simply.
- FIG. 10 is a cross-sectional view showing a fourth modification of the sphygmomanometer cuff in FIG.
- sphygmomanometer cuff 150 ⁇ / b> A includes cushion material 71.
- the cushion material 71 is fixed to the bag-like cover body 31.
- the cushion material 71 is joined to the inner wall of the bag-like cover body 31 at a position facing the end portion 12.
- FIG. 11 is a cross-sectional view showing a fifth modification of the sphygmomanometer cuff in FIG.
- sphygmomanometer cuff 150 ⁇ / b> A includes cushion material 76.
- the cushion material 76 includes an inner cushion material 78 and an outer cushion material 77 provided as separate members.
- the inner cushion material 78 is fixed to the inner cover member 32, and the outer cushion material 77 is fixed to the outer cover member 33.
- the peripheral edges of the inner cushion material 78 and the outer cushion material 77 are overlapped and joined by a bias tape 34 as a joining member while being sandwiched between the inner cover member 32 and the outer cover member 33.
- the end portion 12 of the curler 11 hits the arm 200 when the sphygmomanometer cuff 150 ⁇ / b> A is attached even by the structure in which the cushion members 71 and 76 are fixed to the bag-like cover body 31. Can be prevented. Moreover, according to the modification shown in FIG. 11, the cushion material 76 can be more firmly fixed to the bag-like cover body 31.
- FIG. 12 is a cross-sectional view showing a sixth modification of the sphygmomanometer cuff in FIG.
- curler 11 includes an end portion 13 disposed on the opposite side to end portion 12 in the direction indicated by arrow 230.
- the sphygmomanometer cuff 150A includes a cushion material 81 formed of a foamed sponge material.
- the cushion material 81 is provided at the end 12 and the end 13 in the same form as shown in FIG.
- the cushion material 81 extends from the end portion 12 toward the end portion 13 so as to block between the outer cover member 33 and the curler 11. Note that the end portion 13 may not be covered with the cushion material 81.
- the cushion material 81 makes it easy for slippage between the outer cover member 33 and the curler 11, and during the pressurization process or the decompression process of the sphygmomanometer cuff 150A, a sudden pressure change in the cuff is caused. Can be prevented. Thereby, blood pressure measurement with high measurement accuracy can be performed.
- the sphygmomanometer cuff 150A of the upper arm type sphygmomanometer assuming the upper arm of the subject as the measurement site has been described as an example.
- the present invention is not limited to this, and the wrist blood pressure assuming the wrist as the measurement site.
- the present invention may be applied to a sphygmomanometer cuff.
- FIG. 13 is a cross-sectional view showing a sphygmomanometer cuff according to Embodiment 2 of the present invention.
- a cross section at the same position as that shown in FIG. 6 is shown.
- the sphygmomanometer cuff in the present embodiment has the same overall structure as the sphygmomanometer cuff in the first embodiment, and only the shape of the built-in curler is different.
- the description of the overlapping structure will not be repeated.
- end portion 12 of curler 11 has a circular cross-sectional shape.
- a curved surface 12 a that is curved at a position facing the arm 200 is formed at the end portion 12.
- the curved surface 12a is formed continuously from the outer surface 11a to the inner surface 11b.
- the curved surface 12a is formed over a larger range in the thickness direction of the curler 11 than between the outer surface 11a and the inner surface 11b.
- the subject when the test subject puts the sphygmomanometer cuff 150 ⁇ / b> B in a cylindrical state through the arm 200 and attaches it to the upper arm 210, the subject may apply the curved surface 12 a formed on the curler 11 to the arm 200. it can. Thus, the subject does not feel pain during the wearing operation of the sphygmomanometer cuff 150B.
- the sphygmomanometer cuff 150 ⁇ / b> B is disposed around the arm 200 of the subject, and the air bag 21 as a fluid bag compressing the arm 200, and on the outer side of the air bag 21 with respect to the arm 200.
- the curler 11 as a curved elastic member that is arranged in an overlapping manner and extends in a direction indicated by an arrow 230 as a predetermined axial direction and is elastically deformable in the radial direction, the air bag 21 and the curler 11.
- a bag-shaped cover body 31 as an exterior body to be included is provided.
- a curved surface 12 a that is curved at a position facing the arm 200 is formed at the end portion 12 of the curler 11 in the direction indicated by the arrow 230.
- FIG. 14 is a cross-sectional view showing a first modification of the sphygmomanometer cuff in FIG. 13.
- end portion 12 of curler 11 has a shape that curves in a U shape while warping away from the contact surface with arm 200.
- a curved surface 12 a that is curved at a position facing the arm 200 is formed at the end portion 12.
- the curved surface 12a is formed over a larger range in the thickness direction of the curler 11 than between the outer surface 11a and the inner surface 11b.
- FIG. 15 is a cross-sectional view showing a second modification of the sphygmomanometer cuff in FIG. Referring to FIG. 14, in this modification, end portion 12 of curler 11 extends in the direction indicated by arrow 230 while warping in the direction away from the contact surface with arm 200.
- the end portion 96 is formed with a curved surface 12 a that is curved at a position facing the arm 200.
- the curved surface 12a is formed over a larger range in the thickness direction of the curler 11 than between the outer surface 11a and the inner surface 11b.
- a new sphygmomanometer cuff may be configured by appropriately combining the configurations of the sphygmomanometer cuff described in the above embodiments and modifications.
- the present invention is mainly applied to an upper arm blood pressure monitor in which a cuff is attached to the upper arm or wrist of a subject.
Abstract
Description
図1は、血圧計の外観を示す斜視図である。まず、この発明の実施の形態1における血圧計用カフを備える血圧計について説明する。
図7は、図6中の血圧計用カフの第1変形例を示す断面図である。図7を参照して、本変形例では、血圧計用カフ150Aがクッション材56を含む。クッション材56は、たとえば接着剤によりカーラ11に固定されている。クッション材56は、カーラ11の端部12を覆うように設けられている。クッション材56は、外表面11a、端部12の端辺および内表面11bの範囲に渡って設けられている。図8は、図6中の血圧計用カフの第2変形例を示す断面図である。図8を参照して、本変形例では、血圧計用カフ150Aがクッション材61を含む。クッション材61は、カーラ11と空気袋21との間に配置されている。クッション材61は、カーラ11の内表面11bに接合されている。図7および図8中に示す変形例によれば、血圧計用カフ150Aの装着作業時、カーラ11の端部12が腕200に当たることをより確実に防ぐことができる。
図13は、この発明の実施の形態2における血圧計用カフを示す断面図である。図中には、図6中に示す位置と同じ位置の断面が示されている。本実施の形態における血圧計用カフは、実施の形態1における血圧計用カフと同様の全体構造を備え、内蔵するカーラの形状のみが異なる。以下、重複する構造については説明を繰り返さない。
図14は、図13中の血圧計用カフの第1変形例を示す断面図である。図14を参照して、本変形例では、カーラ11の端部12が、腕200への接触面から離間する方向に反ってU字状に湾曲する形状を有する。端部12には、腕200に向い合う位置で湾曲する湾曲面12aが形成されている。湾曲面12aは、カーラ11の厚み方向において、外表面11aと内表面11bとの間よりも大きい範囲に渡って形成されている。
Claims (14)
- 被験者の腕(200)の周囲に配置され、腕(200)を圧迫する流体袋(21)と、
腕(200)に対して前記流体袋(21)の外側に重なって配置され、所定の軸方向に延びる略筒形状に形成され、その径方向に弾性変形可能な湾曲弾性部材(11)と、
前記軸方向における前記湾曲弾性部材(11)の端部(12)よりも張り出した位置に設けられ、前記湾曲弾性部材(11)よりも圧縮変形し易いクッション材(51,56,61,66,71,76,81)と、
前記流体袋(21)、前記湾曲弾性部材(11)および前記クッション材(51,56,61,66,71,76,81)を内包する外装体(31)とを備える、血圧計用カフ。 - 前記クッション材(51,56,61,66,81)は、前記湾曲弾性部材(11)に固定される、請求の範囲1に記載の血圧計用カフ。
- 前記クッション材(51)は、前記軸方向における前記クッション材(51)の端部(51c)と前記流体袋(21)の端部(21c)とが揃うように設けられる、請求の範囲2に記載の血圧計用カフ。
- 前記クッション材(51,56,61,66,71,76,81)は、発砲スポンジ材またはエラストマから形成される、請求の範囲1に記載の血圧計用カフ。
- 前記クッション材(56)は、前記湾曲弾性部材(11)の端部(12)を覆うように設けられる、請求の範囲1に記載の血圧計用カフ。
- 前記クッション材(61)は、前記湾曲弾性部材(11)と前記流体袋(21)との間に配置される、請求の範囲1に記載の血圧計用カフ。
- 前記クッション材(51)は、前記軸方向に延在する前記湾曲弾性部材(11)の延長上に前記湾曲弾性部材(11)と一体となって設けられる、請求の範囲1に記載の血圧計用カフ。
- 前記クッション材(66)は、互いに別部材として設けられた第1部分(67)と第2部分(68)とを含み、
前記湾曲弾性部材(11)の端部(12)が、前記第1部分(67)および前記第2部分(68)によって挟持される、請求の範囲1に記載の血圧計用カフ。 - 前記クッション材(81)は、前記湾曲弾性部材(11)と前記外装体(31)との間を遮るように、前記軸方向における前記湾曲弾性部材(11)の一方の端部(12)から他方の端部(13)に向けて延在する、請求の範囲1に記載の血圧計用カフ。
- 請求の範囲1に記載の血圧計用カフ(150A)が用いられる、血圧計。
- 被験者の腕(200)の周囲に配置され、腕(200)を圧迫する流体袋(21)と、
腕(200)に対して前記流体袋(21)の外側に重なって配置され、所定の軸方向に延びる略筒形状に形成され、その径方向に弾性変形可能な湾曲弾性部材(11)と、
前記流体袋(21)および前記湾曲弾性部材(11)を内包する外装体(31)とを備え、
前記軸方向における前記湾曲弾性部材(11)の端部(12)には、腕に向い合う位置で湾曲する湾曲面(12a)が形成される、血圧計用カフ。 - 前記湾曲弾性部材(11)の端部(12)は、円形状の断面形状を有する、請求の範囲11に記載の血圧計用カフ。
- 前記湾曲弾性部材(11)の端部(12)は、腕(200)への接触面から離間する方向に反りながら前記軸方向に延在する、請求の範囲11に記載の血圧計用カフ。
- 請求の範囲11に記載の血圧計用カフ(150B)が用いられる、血圧計。
Priority Applications (4)
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RU2010131470/14A RU2477077C2 (ru) | 2007-12-28 | 2008-12-08 | Манжета сфигмоманометра и сфигмоманометр |
US12/746,942 US9186074B2 (en) | 2007-12-28 | 2008-12-08 | Sphygmomanometer cuff and sphygmomanometer |
DE112008003362.5T DE112008003362B4 (de) | 2007-12-28 | 2008-12-08 | Blutdruckmanschette und Blutdruckmesser |
CN2008801233020A CN101909517B (zh) | 2007-12-28 | 2008-12-08 | 血压计用袖带以及血压计 |
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JP2007-339320 | 2007-12-28 | ||
JP2007339320A JP5145930B2 (ja) | 2007-12-28 | 2007-12-28 | 血圧計用カフおよび血圧計 |
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CN (1) | CN101909517B (ja) |
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CN105919580B (zh) * | 2016-06-13 | 2019-07-09 | 江苏鱼跃信息系统有限公司 | 一种血压计用腕带 |
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- 2008-12-08 US US12/746,942 patent/US9186074B2/en not_active Expired - Fee Related
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DE112008003362B4 (de) | 2018-11-08 |
JP2009160016A (ja) | 2009-07-23 |
RU2477077C2 (ru) | 2013-03-10 |
US20100268099A1 (en) | 2010-10-21 |
US9186074B2 (en) | 2015-11-17 |
JP5145930B2 (ja) | 2013-02-20 |
CN101909517B (zh) | 2013-04-24 |
CN101909517A (zh) | 2010-12-08 |
DE112008003362T5 (de) | 2011-03-24 |
RU2010131470A (ru) | 2012-02-10 |
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