Yad Sara volunteers based organization, operates branches throughout Israel, and delivers wheelchairs, crutches and other medical equipment on loan, free of charge (small deposit required). For more information you can contact the main office in Jerusalem - 02-6444555.
The service is provided in the English and Hebrew languages; assistance is also provided in a variety of other languages. https://saicc.co.za/free-gear-and-advice-for-disabled-tourists-in-israel/