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GBZ30661.1-2021: Wheelchair seating - Part 1: Vocabulary, reference axis convention and measures for body segments, posture and postural support surface
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Wheelchair seating - Part 1: Vocabulary, reference axis convention and measures for body segments, posture and postural support surface
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GB/Z 30661.1-2021
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Basic data | Standard ID | GB/Z 30661.1-2021 (GB/Z30661.1-2021) | | Description (Translated English) | Wheelchair seating - Part 1: Vocabulary, reference axis convention and measures for body segments, posture and postural support surface | | Sector / Industry | National Standard | | Classification of Chinese Standard | Y14 | | Word Count Estimation | 78,769 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GBZ30661.1-2021: Wheelchair seating - Part 1: Vocabulary, reference axis convention and measures for body segments, posture and postural support surface
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
GB /Z 30661.1-2021
Wheelchair seating - Part 1.Vocabulary, reference axis convention and measures for body segments, posture and postural support surface
ICS 11.180
CCSY14
National Standardization Guiding Technical Documents of the People's Republic of China
Wheelchair seat part 1.body parts,
Vocabulary of posture and posture supporting surface,
Datum axis rules and measurements
(ISO 16840-1.2006, IDT)
Released on 2021-11-26
2021-11-26 implementation
State Administration for Market Regulation
Issued by the National Standardization Management Committee
Table of contents
Foreword Ⅲ
Introduction Ⅳ
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 Abbreviations and subscripts 4
4.1 Abbreviations 4
4.2 Subscript 5
5 Global coordinate system 5
5.1 Overview 5
5.2 Content 5
6 Terms and definitions of the overall geometric reference system 6
6.1 Overview 6
6.2 Absolute coordinate system 6
6.3 Wheelchair Car Coordinate System (WAS) 7
6.4 Support surface coordinate system (SSAS) 8
6.5 Seated Anatomical Coordinate System (SAAS) 9
7 Terms and definitions for supporting surface measurement 9
7.1 Overview 9
7.2 Measurement terms and definitions of the support surface in the sagittal plane 10
7.3 Measurement terms and definitions of the support surface on the frontal surface 16
7.4 Measurement terms and definitions of the supporting surface on the cross section 20
8 Measurement terms and definitions of occupant's sitting posture 23
8.1 Overview 23
8.2 Terms and definitions of sagittal body measurement 24
8.3 Body measurement terms and definitions on the frontal plane 33
8.4 Body measurement terms and definitions on the cross section 40
Appendix A (Normative) Definition of Reference Line of Common Seat Support Surface 46
Appendix B (Normative) Calculation of Joint Center 53
Appendix C (informative) Definition of chest and abdomen lines for body measurements on sagittal and frontal planes 58
Appendix NA (Informative) Structure Number Comparison List 63
Reference 65
Index 66
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents"
Drafting.
This document is Part 1 of GB/T 30661.GB/T 30661 has released the following parts.
---Part 1.Vocabulary, datum axis rules and measurement of body parts, postures and posture supporting surfaces;
---Part 2.Determination of the physical and mechanical characteristics of the device for maintaining the integrity of the tissue;
---Part 3.Determination of static, impact and fatigue strength of postural support devices.
This document is equivalent to adopting ISO 16840-1.2006 "Wheelchair Seat Part 1.Vocabulary of body parts, body position and body position support surface,
Datum Axis Rules and Measurements", the document type is adjusted from ISO standards to my country’s guiding technical documents.
This document adds a chapter "Normative Reference Documents".
This document has made the following minimal editorial changes.
---Added Appendix NA (informative);
---Added the Chinese pinyin index.
Please note that some of the contents of this document may involve patents, and the issuing agency of this document is not responsible for identifying patents.
This document was proposed by the Ministry of Civil Affairs of the People's Republic of China.
This document is under the jurisdiction of the National Standardization Technical Committee for Rehabilitation and Special Equipment for the Disabled (SAC/TC148).
Drafting organizations of this document. National Rehabilitation Assistive Devices Research Center, National Rehabilitation Assistive Devices Quality Supervision and Inspection Center, Foshan Dongfang Medical Equipment
Factory Co., Ltd., Shanghai Hubang Intelligent Rehabilitation Equipment Co., Ltd., Zhejiang Qianxi Vehicle Industry Co., Ltd.
The main drafters of this document. Yan Heping, Gu Huiru, Zhao Cishun, Zhao Jianrong, Yan Wei, Yao Xiangjiang.
Introduction
For decades, the research and development of wheelchair seat systems has become a branch of rehabilitation services. Can be equipped for wheelchair users
Install wheelchair seat system products that can improve body support, motion control, or prevent injury. At the same time, it can also perform body and sitting positions for the user
Measure the size and related information in the state, and provide the direction, position and linear size of the seat support surface.
However, currently the terms and definitions of clinical measurement used in the human sitting state are different, and there is a lack of unified information describing the sitting posture of the occupant.
And the terms and definitions of the parameters of the seat support surface, and these information and parameters are important for medical staff, researchers, manufacturers, users and consumers.
It is very useful when providing or choosing a wheelchair seat device.
This document specifies the methods used to describe and quantify the occupant's human body measurement, sitting posture measurement, and the spatial positioning and size of the seat support surface.
Terms and definitions. This also makes it possible to systematically monitor changes in human sitting posture at any time.
GB/T 30661 consists of the following three parts.
---Part 1.Vocabulary, datum axis rules and measurement of body parts, postures and posture supporting surfaces;
---Part 2.Determination of the physical and mechanical characteristics of the device for maintaining the integrity of the tissue;
---Part 3.Determination of static, impact and fatigue strength of postural support devices.
Wheelchair seat part 1.body parts,
Vocabulary of posture and posture supporting surface,
Datum axis rules and measurements
1 Scope
This document applies to the part of the seat that provides postural support on wheelchairs.
This document stipulates.
a) The overall geometric coordinate system, which can measure and record the sitting posture information of the occupant on the wheelchair;
b) Terms and definitions used to describe the sitting posture and body measurement of the occupant;
c) The terms used to describe the size, position and orientation of the seat support surface (these elements are combined to form a human body support system) and
definition.
This document does not make specific provisions on the measurement method of the occupant's sitting posture, nor does it make any definition of dynamic physiological movements (such as body flexion and extension).
This document also applies to seat support system devices other than wheelchair vehicles.
2 Normative references
There are no normative references in this document.
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Absoluteangle
Represents the angle of the reference plane of each body part or supporting surface relative to the space position of the gravity coordinate system.
Note. See 6.2.
3.2
Bodycentreline
A vertical line projected on the mid-sagittal plane of the human body and visible on the mid-frontal plane.
3.3
Bodysegmentline
The straight line between two designated marking points on the body (which can be obtained by palpation or calculation) is used to determine the angular position of various parts of the human body.
3.4
Contact surface
The surface of the seat support structure that is in contact with the occupant's body.
3.5
Depth
The linear dimension of the seat support surface measured on a line parallel to the reference surface of the seat support surface along the Y-axis direction (see Figure 1).
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