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bag-like structure

A structure and bag-shaped technology, which is applied in medical science, diagnosis, cardiac catheterization, etc., can solve the problems of increased pulse measurement value fluctuations, reduced blood vessel compression area, and difficulty in blood pressure measurement, etc., to inhibit expansion and prevent shape Reduced followability, high flexibility effect

Active Publication Date: 2022-03-11
ORMON CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the cuff width of the bag-shaped structure is narrowed, the compression area of ​​the blood vessel will decrease, and the fluctuation of the pulse measurement value will increase. Therefore, there is a problem that it is difficult to achieve accurate blood pressure measurement.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0050] Next, use Figure 1 to Figure 8 The sphygmomanometer 1 including the cuff 12 using the bag-like structure 32 according to one embodiment of the present invention will be described.

[0051] figure 1 It is a perspective view showing the structure of the sphygmomanometer 1 according to one embodiment of the present invention, figure 2 is a sectional view showing the structure of the cuff 12 used in the sphygmomanometer 1, image 3 is a cross-sectional view schematically showing a state in which the cuff 12 is wrapped around the wrist 100 of a living body, Figure 4 It is a cross-sectional view schematically showing a state in which the bag-like structure 32 of the cuff 12 expands and compresses the artery 110 in a state where the cuff 12 is wound around the wrist 100 . in addition, Figure 5 and Image 6 It is a partially cutaway perspective view showing the structure of the bag-like structure 32 used in the cuff 12, Figure 7 It is a side view schematically showin...

Embodiment 1

[0209] A bag-like structure 32 according to one embodiment was fabricated. As a material of the inner wall portion 41 , the outer wall portion 42 , and the side wall portion 43 , a silicone material having a Shore A hardness of 25 was used as a thermosetting elastomer. The thickness of the inner wall part 41, the outer wall part 42, and the side wall part 43 was set to 0.15 mm. As the material of the reinforcing member 44, polyethylene terephthalate resin is used. The thickness of the reinforcement member 44 was set to 0.10 mm. In addition, the length in the longitudinal direction of the side wall part 43 of the small piece 51a, 52a of the reinforcement member 44 was set to 10 mm. In addition, the small pieces 51a and 52a are provided so as to be separated from the end portion on the inner wall portion 41 side and the bent portion 43a of the side wall portion 43 and the end portion on the outer wall portion 42 side and the bent portion 43a by 0.3 mm to 0.5 mm. shape. In ad...

Embodiment 2

[0211] A bag-like structure 32A according to the first modified example was produced. As a material of the inner wall portion 41 , the outer wall portion 42 , and the side wall portion 43 , a silicone material having a Shore A hardness of 25 was used as a thermosetting elastomer. The thickness of the inner wall part 41, the outer wall part 42, and the side wall part 43 was set to 0.15 mm. For the material of the reinforcing member 44A, polyethylene terephthalate resin is used. The thickness of the reinforcing member 44A is set to 0.10 mm. In addition, the length in the longitudinal direction of the side wall portion 43 of the small pieces 51 a and 52 a of the reinforcement member 44A was set to 10 mm. In addition, the reinforcement member 44A is formed such that the end portion on the inner wall portion 41 side of the side wall portion 43 and one row of small pieces 51a, the two rows of small pieces 51a, the other row of small pieces 51a and the meandering portion 43a, the e...

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Abstract

Provided is a bag-shaped structure capable of suppressing expansion of the side wall portion and improving blood vessel compressive properties. The bag-like structure (32) is used for the cuff (12) for the blood pressure monitor (1). (100) to compress, the bag-like structure has: an inner wall (41), which is arranged on the side of the living body (100); an outer wall (42), which is opposite to the inner wall (41); a pair of side walls ( 43), which are provided continuously with respect to the inner wall portion (41) and the outer wall portion (42), having a bent portion (43a) bent toward the inner space; and a reinforcing member (44), which is provided on a pair of side wall portions (43) has a hardness higher than that of the side wall portion (43), and has shape followability in a winding direction toward the living body (100).

Description

technical field [0001] The present invention relates to a bag-like structure that compresses a living body during blood pressure measurement. Background technique [0002] In recent years, sphygmomanometers for measuring blood pressure have been used not only in medical equipment but also as a means of checking health status at home. A sphygmomanometer measures blood pressure by wrapping a cuff with a bag-like structure around the upper arm or wrist of the human body and expanding and contracting the bag-like structure to detect the pulse sound generated in the artery and the vibration of the artery wall . In order to improve portability and usability, miniaturization of such a sphygmomanometer is desired. Therefore, in order to reduce the size of the cuff, it is required to reduce the width of the cuff of the pouch structure used in the cuff. However, if the cuff width of the bag-shaped structure is narrowed, the compression area of ​​the blood vessel decreases and the f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/022
CPCA61B5/022A61B5/02233A61B5/681A61B5/7445A61B5/02141
Inventor 西川和义小代修平西田知之
Owner ORMON CORP
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