Quick Reference
J3 Back Guide
OVERVIEW
STEP 1 Contour Depth
STEP 2 Level of Support
STEP 3 Back Support Height
STEP 4 Backrest Width
STEP 5 Mounting Hardware
For a custom-fit J3 Backrest, follow this
5-Step Guide to determine your
J3 Smart Part Number.
J3
J3 Part
Numbers begin with
“J3”
-
STEP 1
-
The part number that is generated over the next several pages is for illustrative purposes.
-
Actual part numbers may vary.
-
STEP 2 STEP 3 STEP 4 STEP 5
1
2
STEP 1
Contour Depth
Backrests shown from top view.
Posterior (PA) x
Posterior
Lateral (PL)
Posterior Deep
Lateral (PDL) &
Posterior Deep
Contour (PDC)
2.2”
Step 1 will determine Contour Depth .
How much lateral support is needed: Posterior,
Posterior Lateral, Posterior Deep Lateral or Posterior
Deep Contour?
3”
6” J3
J3 Part
Numbers begin with
“J3”
PL
STEP 1
-
STEP 2
-
STEP 3
-
STEP 4
-
STEP 5
3
4
STEP 2
Level of Support
Each individual, depending on their functional needs and level of trunk stability, requires a different level of support.
Posterior Deep Contour (PDC)
Shoulder Height (SH) x
Upper Thoracic (UT)
Mid Thoracic (MT)
Lower Thoracic (LT)
Step 2 will determine Level of Support .
Choose from Lower Thoracic up to
Shoulder Height.
J3
J3 Part
Numbers begin with
“J3”
PL UT
STEP 1 STEP 2
-
STEP 3
-
STEP 4
-
STEP 5
5
STEP 3
Back Support
Height
Within each level of support (Step 2), we offer short, medium, and tall height options to accommodate differences in the user’s torso height.
In Step 2 the user’s Level of Support is chosen.
Each of these support levels are offered in three
Back Support Heights : Short, Medium, or Tall (Step 3) .
6
Short (S) x
Medium (M) Tall (T)
J3
J3 Part
Numbers begin with
“J3”
PL UT
STEP 1 STEP 2
M
STEP 3
-
STEP 4
-
STEP 5
7
8
STEP 4
Backrest Width
Width
Posterior
12 14 16 18 20 22 24 26 12
Posterior
Lateral
Posterior Deep Lateral &
Posterior Deep Contour
14 16 18 20 14 16 18 20
Chair Back
Cane Width
Based on outside back cane to outside back cane.
12 to
14
14 to
16
16 to
18
18 to
20
20 to
22
22 to
24
24 to
26
26 to
28
12 to
14
14 to
16
16 to
18
18 to
20
20 to
22
14 to
16
16 to
18
18 to
20
20 to
22
Step 4 will determine the Backrest Width .
Measure the widest part of the trunk covered by the back. Reference the chart to the left to select which width works best for the user.
Trunk Width
Measure the widest part of the trunk supported by the back.
11 13 15 17 19 21 23 25 9.5
11.5
13.5 15.5 17.5 11 13 15 17
J3
J3 Part
Numbers begin with
“J3”
PL UT M
STEP 1 STEP 2 STEP 3
18
STEP 4
-
STEP 5
9
10
STEP 5
Mounting
Hardware
Standard (SH)
Adjustable Hardware Offers 1 1½” posterior depth adjustment and may be required to achieve a maximum recline angle (22 degrees) without impacting seat depth.
Extended (AH)
Adjustable Hardware offers an additional 1 ½” of posterior depth.
LITE Mount™ (LM)
Ultralightweight permanent mount hardware.
4-Point hardware (FS or FA)
Increased stability supports more force, 500 lb. weight capacity with hardware and over 22” wide shells. (FS hardware shown here)
In Step 5 we’ll select our mounting hardware.
All backs accept Standard Adjustable Hardware or
Extended Adjustable Hardware.
J3
J3 Part
Numbers begin with
“J3”
LITE Mount Hardware available on LT and MT support levels and
Short (S) and Tall (T) support heights. 4 point hardware available on the
UT and SH support levels.
PL UT M 18 SH
STEP 1 STEP 2 STEP 3 STEP 4 STEP 5
11
12
RECAP
Example Smart
Part Number
STEP 1
STEP 2
STEP 3
STEP 4
STEP 5
Example Smart Part Number:
J3PLUTM18SH
J3 J3 Back
PL Posterior and lateral support, meets 25mm posterior contour and 75mm lateral depth requirements.
UT Designed for supporting the back through the upper thoracic spine.
M Medium height back in the upper thoracic support position.
18 Designed to fit wheelchairs 18-20 inches in width.
SH Standard adjustable attaching hardware.
Let’s Recap how we obtained our
J3 Smart Part Number.
J3
J3 Part
Numbers begin with
“J3”
PL
STEP 1
UT
STEP 2
This part number is for illustrative purposes.
Actual part numbers may vary.
M
STEP 3
18 SH
STEP 4 STEP 5
13
14
ACCESSORIES
Spine-Align Mini Kit1
Spine-Align Kits
Spine-Align Mini Kit II
The components slip between the shell and the cover. It is not necessary to open the foam cover.
Spine-Align Components
Small Lumbar
Large Lumbar
Lateral Shim
Posterior/
Lateral Pelvic
Wedge
Curved Shim
Flat Shim
Small Bean Bag
Large Bean Bag
15
Chest Strap Harness
16
ACCESSORIES Headrest
Plush
Cobra Mount & Bracket
Laterals
C-Plush
AXYS Mount
& Bracket
Contour Cradle
Cobra FB Mount &
Bracket
Fixed Lateral Angle adjustable
Swing-Away Laterals
Contour Style Classic Style
Vanity Flap
Center Opening with Buckle
17
For more information, please call 1-800-333-4000
© 2010 Sunrise Medical. Sunrise Medical and JAY ® are trademarks of Sunrise Medical.
800-333-4000 In Canada 800-263-3390 www.SunriseMedical.com
