# US 11,304,613 B2 · Bag-shaped structure, cuff, and blood pressure monitor

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 11,304,613 B2
- Document ID: US11304613B2
- Status: Granted
- Kind: B2
- Application number: 16/349,083
- Filed: 2017-12-26
- Published: 2019-09-12
- Granted: 2022-04-19
- Earliest claimed: 2016-12-27
- Assignees: OMRON Corporation; Omron Healthcare Co., Ltd.
- Applicants: Omron Corporation; Omron Healthcare Co., Ltd.
- Inventors: Shuhei Ojiro; Kazuyoshi Nishikawa
- Web page: https://patentgrep.com/patent/US11304613B2

## CPC

- A61B 5/02233: {Occluders specially adapted therefor (tourniquets A61B17/132)}
- A61B 5/022: by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
- A61B 5/02208: {using the Korotkoff method}
- A61B 5/681: {Wristwatch-type devices}
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)

## Abstract

A bag-shaped structure excellent in both creep resistance and flexibility is provided. Provided is a bag-shaped structure (122) including a layer (122a) made of a thermoplastic elastomer foam. Also provided are a cuff for a blood pressure monitor and a blood pressure monitor each including the bag-shaped structure (122).

## Claims

### Claim 1

A cuff for a blood pressure monitor comprising:
a bag-shaped structure comprising one or more sheets including a first portion that is configured to contact and apply a pressure to a living body,
wherein the first portion includes a gas barrier layer and a layer made of a thermoplastic elastomer foam having an open-cell structure, the thermoplastic elastomer foam is a foam of thermoplastic polyurethane resin, and the thermoplastic polyurethane resin has a Shore A hardness of 60 or more.

### Claim 2 (depends on 1)

The cuff for the blood pressure monitor according to claim 1, wherein the one or more sheets further include a second portion that faces the first portion, and a third portion that connects an end of the first portion and an end of the second portion together, and wherein the third portion comprises a layer made of the thermoplastic elastomer foam, and has a bellows structure that promotes deformation in a direction that the first portion and the second portion move away from each other when pressure in a space surrounded by the first to third portions is increased.

### Claim 3 (depends on 1)

The cuff for the blood pressure monitor according to claim 1, wherein a thickness of the layer made of thermoplastic elastomer foam is in a range of 0.10 mm to 0.50 mm.

### Claim 4 (depends on 1)

The cuff for the blood pressure monitor according to claim 1 wherein the layer made of the thermoplastic elastomer foam is configured to be positioned on a living body's side when the bag-shaped structure is fitted on the living body.