Comfort-4 Scale

Therapy chair with excellent price-value rate

Comfort-4 Scale is specifically designed to measure the weight of the patient during the treatment. This information is important to control the process of the dialysis. The weight data is visible on the display of the chair. It can be configured with wide range of options thus it satisfies the highest expectations of dialysis segment.

Applications: Dialysis Chairs

Technical specification
Seat height adjustment 54-76 cm
Backrest adjusting range 80 degrees (-13 degrees under horizontal in Trendelenburg position)
Seat tilt adjustment 20 degrees
Legrest adjustment 30 degrees
Footrest adjustment 29 cm
Dimensions in seat position L 145 x W 92 cm or L 145 x W 80 cm*
Size of upholstery L 215 x W 60 x H 9,5 cm
Armrest size L 57 x W 17 cm
Size of castors 4x diameter 10 cm swivel castors with total lock
Weight of chair 95 kg
Maximum patient load 200 kg weight capacity
Approved Scale accuracy 100 g
Standard power supply 230 V, 50-60 Hz
(special power supplies upon request)
Technical data of motors 24V DC, IPX6
Frame colour RAL 9001
Applied directive and standards 2014/31/EU, 93/42/EEC and harmonized standards


● Intelligent control system

Our medical approved electronic control unit provides an opportunity to achieve several comfort and safety features.

● Electronic adjustments

Multiple independent adjustment possibilities by 4+1 motors offer maximum patient comfort, plus a reduction in work for staff.

4 motors as standard:

  • backrest
  • seat tilt
  • legrest
  • seat height

● Manual adjustment

  • footrest (optional electronic footrest adjustment is also available)

Easy-to-use microprocessor controlled handset

Especially designed for medical applications:

  • Longlife micro-switches are located under an exchangeable keypad foil
  • Liquid proof housing with IP 67 protection
  • Easy-to-use 13 buttons handset

Dedicated grey buttons for each movement.

  • Yellow coloured buttons to set Entry, Bed positions by multimovement
  • The head-down "Trendelenburg" position can be reached easily from any previous one by using the red button

Click on the handset picture to see the functional descriptions of each buttons.

Entry position

Supporting the entry

By using this    button on the handset the chair can be brought to the upright (Entry) position automatically from any previous one. Thereby allowing the patient easily to enter or leave the chair.

Bed position

Perfectly horizontal Bed position

Especially designed construction ensures achieving perfectly horizontal Bed position for maximum patient comfort while passing through several relaxation positions.

By using this    button on handset the chair can be brought automatically into the BED position.

Trendelenburg Position

Real TRB

The backrest adjusting range ensures REAL Trendelenburg position in compliance with EN 60601-2-52:

"the entire mattress support platform shall be able to achieve a minimum of 12° so that the patient’s head is lower than the circulatory centre point of the body."

There are two ways of reaching Trendelenburg position by using the red buttons:

  • on handset by using  button
  • additional foot-switches on both sides of underframe (optional)

Brake system/castors

Diameter 10 cm twin wheel castors for central operating brake.

This twin wheel castor type is specially designed for central operating brake system:

  • Twin wheel rotational motion in both directions (lockable)

Tilt-up armrest

The solid upholstered armrest makes it possible to achieve the most suitable and restful arm position for any physique.
It can adjusted in height and entry is facilitated by simply tilting it up.
The multilayered soft armrest cushion is completely sealed against liquids and ensures improved patient comfort.
Optionally the distance between armrests can be adjusted also by swivelling completely.

Exchangeable upholstery

Clean and modern design with dual colour for fresh look

It has been designed according to the latest developments in orthopaedics and ergonomics.

Can be removed easily with a few movements for cleaning or maintenance. Interchangeable with the previous upholstery types.

This new easy-to-clean upholstery covered by blood resistant artificial leather which is resistant to disinfectants, blood and urine too. The unified seat and legrest surfaces are more comfortable and easier to clean.

Instead of standard Chrom/Perle upholstery more than 50 alternative colours are available upon request.

Many other colour combinations available

Sample Upholstery Colours

* More than 50 colours are available upon request

Interested in our product?


  • Perfect horizontal BED position
  • Real TRB position that meets TRB Compliance of EN 60 601-2-52 "the entire mattress support platform shall be able to achieve a minimum of 12° so that the patient’s head is lower than the circulatory centre point of the body."

  • Weight measurement system
    It provides continuous monitoring of patient weight and weight change during treatments. It has been tested and certified by Notified Body which is required for Authenticated Officials to legally verify accuracy of the scale.


Comfort-T1 Bed-side table 6200501
4 channel audio unit (built in the control box) 7130400
Central operating brake with 4x diameter 10 cm twin wheel castors 7130402
Motorised footrest (instead of standard manual adjustment) 7130404
Headrest pillow with built-in stereo speakers 7130405
Reading lamp with flexible arm 7130408
SSP motor control for smoother operation (Soft Start-Stop Process) 7130409
Central operating total or directional lock with 4x diameter 12,5 cm twin wheel castors 7130413
Stainless steel armrest protection (one pair) 7130440
Trendelenburg foot-switches on both sides of underframe 7130480
Terrry cloth (Frottier) protecting cover for upholstered parts (standard white colour) 7130501
Washable net bag for storing Patient's belongings 7130507
Paper roll holder (recommended with 3-Dimensional upholstery) 7130532
Paper roll 10 pcs (L 57 m, W 50 cm) 7130542
Comfort-T2 Multifunctional table 7130600
Adjustable monitor arm for mini TV or DVD player (mounting kit with antenne and power cables hidden in the arm support) 7130610
Built-in Medical Power Supply for LCD mini TV/DVD player 7130611
High capacity battery back-up operation in case power failure 7130650
Individual colour for Standard shape upholstery, selectable from more than 40 different colours of TUNDRA 7130690
Special flame retardant high-tech artificial leather for Standard shape upholstery, selectable from more than 15 diff. colours of PALMA NF (meets M1 and some other Standards) no additional colour surcharge 7130692
3-Dimensional shape upholstery design in combination with special flame retardant high-tech artificial leather, selectable from more than 15 diff. colours of PALMA NF (meets M1 and some other Standards) no additional colour surcharge 7130694
Distributor's individual logo on top of backrest 7130695
3-Dimensional shape upholstery design that makes Standard shape upholstery even more comfortable and attractive. Available in single or dual-colour combination, selectable from more than 40 different colours of TUNDRA , no additional colour surcharge 7130700
Flexible height adjustable armrest for universal medical applications (one pair) 7130800
Integrated gas spring in the arm-support for smoother and safer operation (one pair) 7130810
Push bar (stainless steel handle) 7130811
Removable footrest for standalone exercise applications 7130812