![]() Kim and Kao devised a knitted robotic textile to be put over a single finger, with thread-like shape memory alloy (SMA) springs woven into the knitted material. “There are important considerations for use of the device in the medical context, and we were able to communicate and help to clarify important design features to the engineering team.” “Usually, clinicians are presented with a technology to be implemented into the health care setting without having any input into design,” she said. Stilling appreciated being able to offer input during the device’s development. They chose hand edema, particularly swelling of the fingers, “because it’s a condition that affects a lot of people and can have significant impact to activities of daily living, since finger mobility is indispensable in our day-to-day lives,” Kao said. That got Kao and her lab talking with O’Dell and Stilling at Weill Cornell Medicine, and they spent many weeks discussing the optimal target for this type of wearable. “ In the user studies for KnitDermis,” Kao said, “a lot of the feedback that we got from participants was that people were really interested in having something like a personalized on-skin massage device, or for acupressure to serve their individual needs.” ![]() KnitDermis gives the wearer tactile feedback it can pinch, twist and exert pressure on the wearer’s skin for a variety of purposes. The idea for KnitDema came following work on another wearable device, KnitDermis, which Kao’s lab developed more than three years ago. Joan Stilling, assistant professor of clinical rehabilitation medicine at Weill Cornell Medicine. Michael O’Dell, professor emeritus of clinical rehabilitation medicine at Weill Cornell Medicine and Dr. Heather (Jin Hee) Kim, a doctoral student in human centered design and Hybrid Body Lab member, is lead author of “KnitDema: Robotic Textile as Personalized Edema Mobilization Device,” which she will present April 26 at the ACM CHI ’23 Conference on Human Factors in Computing Systems, in Hamburg, Germany. Working with physicians at Weill Cornell Medicine and therapists at the Cayuga Medical Center (CMC) Department of Physical Therapy, Kao’s lab has devised a knitted wearable technology, called KnitDema, that can gently massage the swollen area through sequential compression by small robotic actuators. Used before primary Gradient Mode or Pressure Mode treatment.The best current treatment for hand edema – swelling caused by excess fluid accumulation, from injury or disease – is manual edema massage (MEM) by a trained therapist, but access to care and cost can make the procedure prohibitive.Ĭindy (Hsin-Liu) Kao, assistant professor of human centered design in the College of Human Ecology and director of the Hybrid Body Lab, and her team have developed a solution that has the potential to be personalized and used in the comfort of one’s own home. Four (4) chambers are active at one time. Focal Mode: Tenderizes fibrotic tissue.Used before primary Gradient Mode or Pressure Mode treatment. Clearing Mode: Mimics Manual Lymphatic Drainage (MLD).Lymphedema Preparation Treatment (LPT) Modes User can set pressure in each of the 8 chambers, and 1 chamber may be skipped if necessary. Pressure Mode: Also delivers standard gradient sequential compression.User can set the starting pressure (distal chamber near the foot). Gradient Mode: Delivers standard gradient sequential compression. ![]() ![]() Product Modes, Specifications & Available Garments Used by cancer victims who have lymphedema and arm swelling.Ability to skip pressure in a chamber, typically used with patients who have an ulcer.Available with a Pressure Mode that allows users to change the pressure in individual sleeve chambers.Used by patients with trunkal edema who need to move fluid from affected areas.Ideal for patients who have tried a basic, low-end compression device but did not experience positive outcomes.Reimbursed by private insurances and Medicare (Code: E0652).AIROS 8 OVERVIEW Product Features & Physiological Benefits
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