Example Applications of the

Proposed Medical Diagnostic Equipment

Accessibility Standards

January 23, 2012

 

 

 

U N I T E D S T A T E S A C C E S S B O A R D

A FEDERAL AGENCY COMMITTED TO ACCESSIBLE DESIGN
Figure M1: Overview of M301 Diagnostic Equipment for

Use by a Patient in a Supine, Prone, or Side-Lying Position

when adjustable, transfer support resists rail serves as when provided,

head and back support vertical and horizontal transfer support stirrups provide a

provided throughout forces of 250 lbs at all within reach of method of supporting,

the entire range of points and does not transfer surface positioning, and 

the incline rotate within it’s fittings (M301.3.1 and securing the

(M301.3.3) (M305.2.2 and M305.2.1) patient’s leg 

M305.2.3) (M301.3.2)

transfer surface

17 inches (430 mm)

min. and 19 inches

(485 mm) max. above

floor (M301.2.1),

when not needed

to facilitate transfer,

6 inches (150 mm) base permits clearance the transfer surface

high min. clear above around base for a may be positioned

finished floor where patient portable floor lift, above or below the

equipment overhangs see Figure M2 height range

clearance (M301.4.1) (M301.4 and M301.4.2) (Advisory M301.2.1)

support rail

removable/

repositioned

to permit

unobstructed

transfer

(M301.2.3

EXCEPTION)

transfer surface

30 inches (760 mm)

wide min. and

15 inches (381 mm)

deep min. 

(M301.2.2)

one short side

(depth) and one

long side (width) of

the transfer surface

permit unobstructed

transfer from a

mobility device

(M301.2.3)

transfer to short side (depth) transfer to long side (width)

of transfer surface of transfer surface 

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Figure M2: M301.4 Lift Compatibility

(at Diagnostic Equipment for Use by a Patient

in a Supine, Prone, or Side-Lying Position)

extend full depth 26 inches (660 mm)

max.

patient lift

examination

surface

patient lift

EQ EQ

6 inches (150 mm) clearance must

high min. clear above extend 36 inches

finished floor (915 mm) min. deep

from the edge of the

examination surface

6 inches (150 mm) 36 inches high min. clear (915 mm) above finished min. floor within

clearance or

44 inches

(1120 mm)

wide min.

8 inches

(205 mm)

max.

examination

surface M301.4.2 Clearance

Around Base

base is permitted to

increase in width at

a rate of 1 inch

(25 mm) in width

for each 3 inches

(75 mm) in depth

within clearance

the clearances required for lift compatibility permits

equipment to be usable with a patient portable floor lift

M301.4.1 Clearance

in Base

Page 2 of 6
Figure M3: Overview of M302 Diagnostic Equipment for

Use by a Patient in a Seated Position

required armrest

serves as transfer

support within reach

of transfer surface

(M302.3.1, M302.3.2,

and M305.2.1)

transfer support resists

vertical and horizontal

forces of 250 lbs at all

points and does not

rotate within it’s fittings

(M305.2.2 and M305.2.3)

one short side (depth) and

one long side (width) of the

transfer surface permit

unobstructed transfer from

a mobility device

(M302.2.3)

base permits clearance

around base for a

patient portable floor lift 

(M302.4 and M302.4.2)

when adjustable,

head and back support

provided throughout

the entire range of

the incline

(M302.3.3)

transfer surface

21 inches (760 mm)

wide min. and

15 inches (381 mm)

deep min. 

(M302.2.2)

armrest folds

up to permit

unobstructed transfer

(M302.2.3 EXCEPTION)

transfer surface

17 inches (430 mm) min.

and 19 inches (485 mm) max.

above floor (M302.2.1),

when not needed to facilitate

transfer, the transfer surface

may be positioned above or

below the height range

(Advisory M302.2.1)

transfer to short side (depth) transfer to long side (width)

of transfer surface of transfer surface 

Page 3 of 6
Figure M4: Overview of M303 Diagnostic Equipment for Use by a Patient

While Seated in a Wheelchair and M304 Diagnostic Equipment

for Use by a Patient in a Standing Position (Weight Scale Example)

36 inches (915 mm) wide min.

and 48 inches (1220 mm) deep min.

wheelchair space 

(M303.2.2 and M303.2.3)

2 inches (50 mm) high

min. edge protection on

each side of ramp slope

for drop-offs exceeding 

1⁄2 inch (M303.3.3.4)

change in level greater

than 1⁄2 inch is ramped

with a running slope

no steeper than 1:12

and cross slopes

no steeper than 1:48 

(M303.3.3, M303.3.3.1,

and M303.3.3.2)

clear width of ramp run

36 inches (915 mm) min.

(M303.3.3.3)

wheelchair space surface

does not slope more than

1:48 in any direction

(M303.2.5)

standing support

on each side of

standing surface

(M304.3)

horizontal supports

with gripping

surfaces 4 inches

(100 mm) min. long

(M305.3.1) 

top of gripping

surfaces for

horizontal

supports 34 inches

(865 mm) high min.

and 38 inches

(965 mm) high max.

above standing surface

(M305.3.1) 

standing supports do

not rotate within their fittings

(M305.3.3)

slip resistant surface

(M304.2)

Where the primary use of the equipment supports more than one patient position,

it must comply with the requirements for each use. The weight scale is usable by

both people who are seated in wheelchairs and those who stand and must meet

the requirements of both Sections M303 and M304. (M101.2)

the weight scale platform

size and ramped entry

accommodate people who

use mobility devices

standing supports help

those who ambulate with

a disability maintain

balance and position

Page 4 of 6
Figure M5: Overview of M303 Diagnostic Equipment for Use by a Patient

While Seated in a Wheelchair and 304 Diagnostic Equipment for Use by

a Patient in a Standing Position (Mammography Machine Example)

standing support

on each side of

standing surface

(M304.3)

standing supports

do not rotate within

their fittings

(M305.3.3)

vertical gripping

surfaces 18 inches

(455 mm) long min.

(M305.3.2) 

bottom of 

vertical gripping

surface 34 inches

(865 mm) high min.

and 37 inches

high (940 mm) max.

above standing surface

(M305.3.2) 

Where the primary use of the equipment supports more than one patient position,

it must comply with the requirements for each use. The mammography machine

is usable by both people who are seated in wheelchairs and those who stand and

must meet the requirements of both Sections M303 and M304. (M101.2)

breast platform 30 inches

(760 mm) high min.

and 42 inches (1065 mm)

high max. above floor

when used by a patient

seated in a wheelchair

(M303.4 and M303.4.1)

36 inches (915 mm)

wide min. and 48 inches

(1220 mm) deep min.

wheelchair space 

(M303.2.2 and M303.2.3)

wheelchair space

surface slopes no more

than 1:48 in any direction

(M303.2.5)

wheelchair space includes

knee and toe clearance

complying with M303.2.4,

see Figure M6

(M303.2.4, M303.2.4.1,

and M303.2.4.2)

wheelchair space orients

in the same direction as

other patients using the

diagnostic equipment

(M303.2.1)

knee and toe space

under breast platform 

25 inches (635 mm) deep

(M303.2.4)

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Figure M6: M303.2.4

Knee and Toe Clearance

8 inches (205 mm)

deep min. knee

clearance at

27 inches (685 mm)

high min. 

(M303.2.4.2)

27 inches min.

(685 mm)

11 inches (280 mm) min.

and 25 inches (635 mm)

max. deep knee clearance

at 9 inches (230 mm) high 

(M303.2.4.2)

between 9 inches (230 mm)

and 27 inches (685 mm)

above the floor, the knee

clearance is permitted to

reduce at a rate of 1 inch

(25 mm) in depth for every

6 inches (150 mm) in height

(M303.2.4.2)

9 inches (230 mm) 

high toe clearance

(M303.2.4.1)

6 inches (150 mm) 

deep max. toe

clearance

(M303.2.4.1)

the depth of the wheelchair space (M303.2)

must include knee and toe clearance of

17 inches (430 mm) min. and 25 inches

(635 mm) max., knee and toe clearance

under breast platforms must be 25 inches

(635 mm) deep, see Figure M5

(M303.2.4)

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