IP Library › Granted Patent US 12,582,566
Granted Patent B2
US 12,582,566 · App. 18/213,955 · Granted Mar 24, 2026

Patient turning device for a patient support apparatus

Inventors: James K. Galer (Byron Center, MI); Patrick Lafleche (Kalamazoo, MI); Prachi Jain Slominski (Frisco, TX); Justin Jon Raymond (Jackson, MI)
Assignee: Stryker Corporation
A61G7/001A61G7/012A61G7/015A61G7/018A61G7/0527A61G7/05769A61G7/05776A61G7/08A47C20/027A47C20/048A47C31/008A61G7/1021A61G2203/34
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Quick Facts
Patent No.
US 12,582,566
App. No.
18/213,955
Granted
Mar 24, 2026
Kind
B2
Abstract

A patient turning device for a patient support apparatus. The patient turning device includes a first and second bladder assembly each including a plurality of layers and seals defining a bladder volume. The bladder volumes are selectively inflatable with fluid to expand the respective bladder assembly, and consequently move a patient support surface of the patient support apparatus. A portion of a lower layer of the first bladder assembly and a portion of an upper layer of the second bladder assembly define an overlapping region of the bladder volumes. The patient turning device is coupled to an underside of a carrier sheet and positioned between a crib assembly and a bottom cover. An augmenting feature is configured to resiliently expand as at least one of the first and second bladder assemblies receives the fluid to move at least a portion of the crib assembly away from a patient support deck.

Claims (28)

1 . A patient turning system for a patient support apparatus, the patient turning system comprising: a mattress comprising an upper surface opposite a lower surface, the mattress adapted to be supported on a patient support deck of the patient support apparatus with the upper surface sized to support a patient during movement therapy; a mattress cover including: a patient support portion adapted to cover the upper surface of the mattress, the patient support portion sized so the patient is supported on the patient support portion during movement therapy, a lower portion coupled to the patient support portion and adapted to cover at least a portion of the lower surface of the mattress, and a bottom portion coupled to the lower portion; and inflatable bladders fixedly coupled to the lower portion and positioned in abutment with the bottom portion, the inflatable bladders being positioned external to the mattress and below the lower surface of the mattress with the inflatable bladders adapted to be in communication with a fluid source and adapted to be selectively inflated with fluid from the fluid source to move a portion of the mattress away from the patient support deck to provide the movement therapy.

2 . The patient turning system of claim 1 , wherein the mattress further comprises a head end opposite a foot end with the inflatable bladders comprising a pair of inflatable bladders spaced apart between the head end and the foot end such that, when the patient is supported on the mattress, a portion of the upper surface intermediate the pair of inflatable bladders is adapted to offload a sacrum of the patient.

3 . The patient turning system of claim 1 , wherein the lower surface of the mattress is defined by quadrants with the inflatable bladders comprising four inflatable bladders each of the four inflatable bladders positioned below the lower surface in one of the quadrants.

4 . The patient turning system of claim 1 , further comprising:

a plurality of zones defining the upper surface of the mattress;

sensors associated with each of the zones and adapted to generate force signals based on sensed forces from the patient on the upper surface and within each of the zones; and

a controller in communication with the sensors and adapted to receive the force signals from the sensors and transmit an inflation signal to selectively inflate one or more of the inflatable bladders to reduce the sensed forces within one or more of the zones.

5 . The patient turning system of claim 1 , wherein the mattress cover substantially encases the mattress and the inflatable bladders with the mattress cover comprising an augmenting feature adapted to expand as the mattress moves away from the patient support deck during the movement therapy.

6 . The patient turning system of claim 5 , wherein the augmenting feature includes one of a concertinaed thermoformed material and a fabric.

7 . The patient turning system of claim 1 , further comprising an angular detection sensor coupled to one of the mattress, the mattress cover, and the inflatable bladders with the angular detection sensor adapted to sense an angle of the upper surface of the mattress relative to horizontal.

8 . A patient turning system for a mattress having an upper surface opposite a lower surface, the patient turning system comprising: a mattress cover for coupling to the mattress, the mattress cover comprising: a patient support portion adapted to cover the upper surface of the mattress, the patient support portion sized so a patient is supported on the patient support portion during movement therapy; a lower portion coupled to the patient support portion and adapted to cover at least a portion of the lower surface of the mattress; and a bottom portion coupled to the lower portion; and a plurality of inflatable bladders positioned between the lower portion and the bottom portion with the inflatable bladders in fluid communication with a fluid source and adapted to be selectively inflated to move the mattress away from the bottom portion of the mattress cover to provide the movement therapy, wherein the inflatable bladders are fixedly coupled to the lower portion and positioned in abutment with the bottom portion.

9 . The patient turning system of claim 8 , wherein the mattress cover further comprises an augmenting feature coupled to the lower portion and the bottom portion with the augmenting feature adapted to permit the patient support portion and the lower portion to move relative to the bottom portion as the mattress moves away from the bottom portion during the movement therapy.

10 . The patient turning system of claim 9 , wherein the augmenting feature is comprised of concertinaed thermoformed material adapted to expand to an expanded state as the mattress moves away from the bottom portion and revert towards a natural state as the mattress moves towards the bottom portion.

11 . The patient turning system of claim 10 , wherein the augmenting feature includes a fabric adapted to expand to an expanded state as the mattress moves away from the bottom portion and revert towards a natural state as the mattress moves towards the bottom portion.

12 . The patient turning system of claim 8 , wherein the inflatable bladders comprises four inflatable bladders with each of the four inflatable bladders fixedly coupled to the lower portion within one of four quadrants defining the lower portion.

13 . The patient turning system of claim 8 , wherein one of the inflatable bladders is adapted to be positioned below the mattress such that, when the patient is supported on the patient support portion of the mattress cover, the one inflatable bladder is positioned below an upper torso of the patient, and further wherein another one of the inflatable bladders is adapted to be positioned below the mattress such that, when the patient is supported on the patient support portion of the mattress cover, the another one inflatable bladder is positioned below lower extremities of the patient.

14 . The patient turning system of claim 8 , wherein the inflatable bladders comprise a pair of inflatable bladders adapted to be positioned below the mattress and spaced apart from one another such that, when the patient is supported on the patient support portion of the mattress cover, a portion of the patients support portion intermediate the pair of inflatable bladders is adapted to support a sacrum of the patient.

15 . The patient turning system of claim 8 , wherein the mattress cover further comprises peripheral portions coupled to and extending between the patient support portion and the lower portion, and a fastening device coupled to the peripheral portions with the fastening device removably coupling at least a portion of the patient support portion with the bottom portion such that the mattress cover is adapted to be removably coupled to the mattress; and

wherein the patient support portion, the peripheral portions, the lower portion, and the bottom portion are configured to substantially encase the mattress and the inflatable bladders.

16 . A method for providing movement therapy to a patient supported on a mattress with a first pair of inflatable bladders positioned below a lower surface of the mattress near a head end of the mattress, and a second pair of inflatable bladders positioned below the lower surface of the mattress near a foot end of the mattress and spaced apart from the first pair of inflatable bladders, and a mattress cover substantially encasing the mattress and the inflatable bladders with the mattress cover comprising a patient support portion opposite a bottom portion, the method comprising:

inflating at least one of the inflatable bladders with fluid from a fluid source in fluid communication with the inflatable bladders to move a portion the patient support portion of the mattress cover and the mattress away from the bottom portion of the mattress cover to provide the movement therapy when the patient is supported on the patient support portion of the mattress cover with the patient positioned such that a sacrum of the patient is positioned intermediate to the first and second pairs of the inflatable bladders;

sensing with sensors forces from the patient on the patient support portion within a plurality of zones defining the patient support portion;

determining with a controller in communication with the sensors whether the sensed forces exceed a pressure threshold; and

inflating or deflating one or more of the inflatable bladders to reduce the sensed forces below the pressure threshold.

17 . The method of claim 16 , further comprising:

expanding an augmenting feature of the mattress cover as the patient support portion of the mattress cover and the mattress move away from the bottom portion during the movement therapy, wherein the augmenting feature is located between the patient support portion and the bottom portion of the mattress cover on each of four sides of the mattress; and

inflating all of the inflatable bladders with the fluid from the fluid source to expand the augmenting feature on the four sides of the mattress.

18 . The method of claim 16 , further comprising altering an amount of inflation of less than all of the inflatable bladders with the fluid from the fluid source to reposition the patient on the patient support portion and relieve pressure on the sacrum and/or heels of the patient.

Assignments (2)
CHANGE OF ADDRESS Recorded Dec 18, 2024
From: STRYKER CORPORATION
To: STRYKER CORPORATION
Reel/Frame 069737/0184 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 13, 2023
From: GALER, JAMES K.; LAFLECHE, PATRICK; SLOMINSKI, PRACHI JAIN; RAYMOND, JUSTIN JON
To: STRYKER CORPORATION
Reel/Frame 065537/0211 →
Continuity (5)
Continuation 17562254 · Dec 27, 2021
Division 16220591 · Dec 14, 2018
Provisional Application 62738217 · Sep 28, 2018
Provisional Application 62611215 · Dec 28, 2017
Related Publication 20230329929A1 · Oct 19, 2023
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