ComeBack Mobility
Techstars '23Queens, US · Founded 2020 · 20 employees on LinkedIn · 6 known investors
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ComeBack Mobility develops smart crutch tips—attachable sensor devices that provide real-time feedback on weight-bearing during rehabilitation after fractures or surgery. The system is designed for patients recovering from lower limb injuries who require controlled partial weight-bearing protocols.
Also known as Comeback Mobility · ComeBack Mobility INC · ComeBack Mobility LLC
Founders & leadership

Investors · 6
How we know: the Techstars portfolio · open dataset · Top 3000 Accelerator Startups (no YC) 2026-08 · Not right? Tell us
Also in the syndicate · 5
Funding
SEC filings, press & company announcementsSource: company announcements and press reports — follow each round's link for the claim.
Company profile
researched Sep 2026ComeBack Mobility develops Smart Crutch Tips, sensor-equipped attachments for crutches and canes that measure and give real-time biofeedback on the axial load a patient places on an injured lower limb during rehabilitation. The tips pair with a mobile app and a clinician dashboard: a physician sets a weight-bearing program for the recovery period, the patient receives audible and in-app cues when loading is too high or too low, and step and load data are transmitted to the doctor and physical therapist for monitoring and program adjustment. Weight-bearing is derived by subtracting the load transferred to the crutches from the patient's body weight.
Beyond the device, the company offers individualized weight-bearing protocols generated from post-operative CT-based finite element analysis, intended to tailor loading and activity levels to achieve appropriate interfragmentary motion, fracture-site strain and fixation safety through healing. The stated clinical rationale is that conventional practice relies on subjective judgment of fixation stability and often prescribes six to twelve weeks of non-weight-bearing, risking either late overloading and implant failure or complications of prolonged immobilization such as deep vein thrombosis and muscle atrophy. The product is indicated for patients recovering from surgical and nonsurgical treatment of hip, thigh, knee, shin, ankle and foot injuries; it is registered with the FDA as a Class II, 510(k)-exempt device (registration number 10083584), is rated IP54 and works with canes of 17–30 mm diameter. Reported device accuracy is 98.5%, with initial weight-bearing settable from 0% non-weight-bearing to 50% partial weight-bearing and an upper threshold of 80% for graduated weight-bearing as tolerated.
The company also operates a clinical research organization arm and cites published research supporting mechanically guided fracture healing, including a January 2024 validation study of its crutch tip biofeedback device that concluded the system is a reliable and valid tool for providing auditory feedback on adherence to prescribed weight-bearing protocols.
Founding story
Founder Ilya Popov has said the idea grew out of his own lengthy recovery from a forearm fracture sustained in a boxing ring, which prompted him to assemble a team and launch the company to help patients maintain correct partial weight-bearing during rehabilitation. Press coverage describes his path from advertising into medtech entrepreneurship and his work attracting the pharmaceutical group Farmak as an investor and the Dobrobut clinic network as a customer.
Business model
B2B sale of hardware plus software subscription: the Smart Crutch Tips device is sold to hospitals, orthopedic practices and rehabilitation providers alongside companion patient and clinician applications. The company frames the economics around clinician reimbursement — practices can bill for device setup, biofeedback patient training and remote therapeutic/patient monitoring — while payers and hospitals benefit from fewer reoperations, shorter lengths of stay and fewer readmissions. The device itself is described as not yet reimbursed directly because it is a new technology, though physician services associated with it are covered. Devices are offered with a one-year hospital warranty, extendable to three years, and a reusable model supported by a three-year device service life.
Revenue comes from device sales to healthcare providers combined with subscription access to the monitoring applications and dashboard, with the CT-based finite element analysis protocol service layered on top. Clinician-side reimbursement for device setup, biofeedback training and remote therapeutic/patient monitoring is presented as the funding mechanism on the provider side.
Traction
Third-party listings report about 12 employees (11–50 range) and a total of roughly $2.13M raised across seed and grant rounds. The company states it works with orthopedic surgeons and rehabilitation specialists at several healthcare institutions; press coverage names the Dobrobut clinic network as a customer and Farmak as an investor. A peer-reviewed validation study published in January 2024 assessed the crutch tip biofeedback system as a reliable and valid tool for weight-bearing compliance feedback, and clinicians at NYU Langone Orthopedics, UT Health San Antonio, Maastricht University Medical Center and several physical therapy practices are quoted discussing use of the device.
Latest developments
The site describes an expanded offering combining the Smart Crutch Tips device with patient-specific weight-bearing protocols generated from post-operative CT-based finite element analysis and remote therapeutic monitoring workflows for physical therapists. A validation study of the crutch tip biofeedback device was published in January 2024. Leadership has broadened to include a chief medical officer, chief marketing officer, chief growth officer, chief operating officer and a hardware executive, alongside a Ukraine-based CEO for operations.
▸Full profile — market position, technology, go-to-market, geography, history, risks & controversies
Market position
A small, venture-backed medical device and digital health company in orthopedic rehabilitation and remote patient monitoring, classified as pre-seed/seed stage with roughly 12 to 50 employees. It has been recognized on the EMERGE list of the 100 most promising Central and Eastern European startups and profiled as one of Ukraine's notable medtech innovations. Companies cited as comparable include OPUM Technologies, Sensoria Health and Ceriter.
The company positions crutch-mounted sensors against in-shoe insole alternatives, arguing that crutch tips remain with the patient at all times including at night when barefoot, are more durable with a three-year service life, fit any age or shoe size, are less costly to implement and suit a reusable model. A second differentiator is the pairing of the device with patient-specific weight-bearing protocols computed from post-operative CT-based finite element analysis rather than a generic "weight-bearing as tolerated" instruction, and a reimbursement pathway that lets clinicians bill for remote therapeutic monitoring of protocol compliance.
Technology
The system combines load-sensing crutch tips with Bluetooth connectivity to a patient smartphone app and a clinician web dashboard. Load on the injured limb is computed by subtracting the weight transferred through the crutches from the patient's body weight during the phase of gait when the healthy leg is off the ground; stated accuracy is 98.5%. Thresholds can be set from 0% non-weight-bearing up to 50% partial weight-bearing, with an 80% ceiling for graduated weight-bearing as tolerated, and the device provides real-time auditory and app alerts for over- or under-loading. The tips have an IP54 dust and water rating, a stated three-year usable life, and fit canes 17–30 mm in diameter. A protocol-generation layer applies finite element analysis to post-operative CT scans to derive patient-specific loading and step targets.
Go-to-market
The company sells through orthopedic surgeons, trauma centers, rehabilitation specialists and physical therapy practices, supported by demo requests and pricing/technical-specification enquiries on its website. It builds credibility through clinical evidence and endorsements from orthopedic and physical therapy faculty, a network of clinical advisors and mentors at institutions including NYU Langone, Hospital for Special Surgery, Kaiser Permanente and UT Health San Antonio, and an in-house clinical research organization arm. Adoption is further supported by the reimbursement argument that providers can bill for remote therapeutic monitoring of protocol compliance.
Orthopedic surgeons, trauma and rehabilitation departments, hospitals, physical therapy clinics and their patients recovering from surgical and nonsurgical treatment of hip, thigh, knee, shin, ankle and foot injuries who must follow controlled partial weight-bearing protocols. Payers are cited as indirect beneficiaries through avoided revision surgeries and disability costs.
Geography
Dual US–Ukraine operations. The US entity, ComeBack Mobility INC, lists an office at 700 N St Mary's Street, San Antonio, Texas; other listings associate the company with Queens and New York, NY, and Jackson, Wyoming. Contract manufacturing is handled by FISON LLC in Dnipro, Ukraine, and a clinical research organization entity, ComeBack Mobility LLC, is based in Kyiv. Most devices are assembled in Ukraine apart from some components sourced from China. Clinical trials have been conducted in Ukraine, Germany and the US, and the founder has said products were launched into 36 countries.
History
Founded in 2020 as a Ukrainian-American venture, the company was among 14 startups included in the EMERGE list of the 100 most promising startups in Central and Eastern Europe. In 2021 it announced a combined $1 million in pre-seed and seed financing from Fison, Peter Chernyshov, Farmak, the Ukrainian diaspora in Chicago and angel investors from Ukraine, Belgium and the US. Founder Ilya Popov publicly described operating a half-Ukrainian startup through the war, and the company continued clinical and commercial work across Ukraine, Germany and the US. An independent validation study of the crutch tip biofeedback device was published in January 2024. The company participated in the Techstars network and maintains offices in San Antonio, Texas, with contract manufacturing and clinical research entities in Dnipro and Kyiv, Ukraine.
Risks & controversies
The company's manufacturing and clinical research operations are located in Ukraine and have been exposed to the disruption of the war, a topic the founder has written about publicly. The device itself is not separately reimbursed by insurers because it is a new technology, with coverage limited to associated physician services, which may constrain adoption. The device is FDA registered as a Class II, 510(k)-exempt product rather than FDA approved; the company's own homepage separately refers to it as FDA cleared, while its patient FAQ states it does not require FDA approval. Public funding data is inconsistent across third-party listings, and the company is at an early commercial stage with a small team.
Compiled by commissioned research from 8 cited public sources — announcements, filings, and press listed under research sources below.
Key figures
latest reportedCompany-reported or press-reported figures, each dated to when it was claimed — not independently audited.
Timeline · 3
launches, deals, and filings"Validation Testing of a New Crutch Tip Biofeedback Device for Prescribed Lower Extremity Weight-Bearing" by Brueilly, Feller, Ahearn and Goodwin concluded the ComeBack Mobility crutch tip system could be considered for clinical use as a reliable and valid tool providing auditory feedback for compliance with a prescribed weight-bearing protocol.
The company was one of 14 startups included in the EMERGE list of the 100 most promising startup companies in the Central and Eastern Europe region.
Press coverage reported a combined $1 million pre-seed and seed investment from Ukrainian medtech fund Fison, former Kyivstar CEO Peter Chernyshov, pharmaceutical company Farmak, the Ukrainian diaspora in Chicago and angel investors from Ukraine, Belgium and the US.
$1M source ↗
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
In the news
▸Research sources · 8
primary sources listed
- ComeBack Mobilitycomebackmobility.com · web
8 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does ComeBack Mobility do?
- Ukrainian-American medtech developing sensor-equipped smart crutch tips that give patients real-time weight-bearing biofeedback.
- Who are ComeBack Mobility's investors?
- ComeBack Mobility's investors include Techstars.
- Where is ComeBack Mobility headquartered?
- ComeBack Mobility is headquartered in Queens, US.

