Seamless Transition

Cover Block

Field	Value
Name	smooth Transition
Tagline	Prosthetics designed to empower active warfighter and veteran amputees
Headquarters	Washington, DC, United States
Founded	2022
Stage	Pre-Seed
Business Model	B2C
Industry	Healthtech
Technology Type	Hardware
Geography	North America
Founding Team	Solo Founder
Total Disclosed (non-dilutive)	$30,000 across competition prize and partner prize, plus an undisclosed Catalyst Grant

Links

• Website: https://smlesstrn.com/
• LinkedIn (founder): https://www.linkedin.com/in/sarah-malinowski-/

Summary and Signal

smooth Transition is a Washington, DC-based hardware startup developing the Endura Knee, a mechanical prosthetic knee aimed at active-duty warfighters and veteran amputees [smooth Transition website]. The company emerged from founder Sarah Malinowski's Master's thesis in Biomedical Engineering at George Washington University [smooth Transition website] [GW Today, 2026]. Malinowski incorporated the company, won the top Tech Venture Track prize of $27,500 at the 2022 GW New Venture Competition, and has since used university and regional channels to fund early development [GW Today, 2026] [GW New Venture Competition, 2026].

In 2024 the company received a Catalyst Grant from the Arlington Innovation Fund to pursue a patent on the knee mechanism [Arlington Economic Development, 2026]. The differentiation rests on a mechanical linkage designed for ruggedized use and a go-to-market hypothesis targeting veteran and warfighter populations. Malinowski has indicated that Ukraine is her preferred soft-launch geography [Technical.ly, 2026].

Investors should treat it as a hardware research project that has cleared the prize-and-grant phase and now needs a defined clinical pathway, a manufacturing partner, and dilutive capital. Over the next 12 to 18 months, milestones include the patent filing outcome, any announced pilot with a Ukrainian clinic or US Department of Veterans Affairs prosthetist network, and the addition of a co-founder or operator with regulated medical-device commercialization experience.

Data Accuracy: GREEN -- Confirmed by GW Today, Arlington Economic Development, Technical.ly, and the company website.

Taxonomy Snapshot

Axis	Value
Stage	Pre-Seed
Business Model	B2C (with likely B2G and B2B2C overlay through VA and clinics)
Industry / Vertical	Healthtech, Prosthetics and Orthotics
Technology Type	Hardware (mechanical medical device)
Geography	North America HQ, Ukraine identified as soft-launch market
Founding Team	Solo Founder
Funding	Non-dilutive prize and grant capital only, no priced round disclosed

Company Overview

smooth Transition was founded in 2022 by Sarah Malinowski, a mechanical engineer who relocated to Washington, DC to pursue a Master's in Biomedical Engineering at George Washington University [smooth Transition website] [GW Today, 2026]. The Endura Knee became the subject of her Master's thesis, and the company was formed as smooth Transition, LLC out of GW's Innovation and Entrepreneurship program [GW Today, 2026].

In April 2022, Malinowski won the top Tech Venture Track prize of $27,500 at the GW New Venture Competition, and a separate team entry with Tanner Reinholtz placed fourth in the Social Venture track for an additional $2,500 [GW New Venture Competition, 2026] [GW Today, 2026]. In 2023, Malinowski participated in a career panel at GW BME Research Day [GWU BME, 2026].

In 2024, smooth Transition was named a recipient of a Catalyst Grant from the Arlington Innovation Fund to pursue a patent on the prosthetic mechanism [Arlington Economic Development, 2026]. Malinowski is currently based in Arlington, Virginia [LinkedIn, 2026].

Data Accuracy: GREEN -- Confirmed by GW Today, GW New Venture Competition, Arlington Economic Development, and the company website.

The Product and the Stack

The lead product is the Endura Knee, a mechanical prosthetic knee designed to mimic the articulation of the natural femoral-tibial joint [smooth Transition website]. The engineering approach treats the knee as a mechanical linkage problem, formalized in Malinowski's Master's thesis [smooth Transition website]. The company positions the device for rugged use cases, specifically active warfighters and veteran amputees [smooth Transition website].

The Endura Knee is a mechanical solution rather than a microprocessor knee, implying a lower bill-of-materials cost and fewer points of electronic failure. The 2024 Catalyst Grant from Arlington Innovation Fund was awarded specifically to support a patent filing on the mechanism [Arlington Economic Development, 2026].

Data Accuracy: YELLOW -- Product description confirmed by company website and Arlington Economic Development; performance, regulatory, and IP specifics not independently verified.

Market Research and Opportunity

Prosthetic-limb demand is rising due to an aging diabetic population and acute trauma volume in conflict zones. The company's focus on US warfighters and veterans aligns with a Department of Veterans Affairs population, while the founder's commentary identifies Ukraine as the soft-launch geography due to high wartime amputation volume [Technical.ly, 2026].

Metric	Value
Catalyst Grant awarded for patent pursuit (2024)	Undisclosed
Founder-identified soft-launch geography	Ukraine
Top prize, GW New Venture Competition Tech Venture Track (2022)	$27,500

Data Accuracy: YELLOW -- Demand drivers confirmed by Technical.ly and Arlington Economic Development; specific market-size figures not present in cited sources.

The Competitive Field

The lower-limb prosthetic-knee segment includes incumbents like Ottobock and Ossur, which dominate through large clinician-training networks and established reimbursement codes. The challenger layer includes specialist firms focused on activity-specific knees.

smooth Transition has an early edge in narrative and channel specificity. The company is built around the warfighter and veteran user, with a founder narrative that has earned regional grant capital [GW Today, 2026] [Arlington Economic Development, 2026]. The intent to soft-launch in Ukraine provides a credible early-adopter pathway that incumbents are slower to address [Technical.ly, 2026].

Data Accuracy: ORANGE -- Subject claims confirmed by company website, Arlington Economic Development, and Technical.ly.

Opportunity

If smooth Transition executes, the prize is becoming the default rugged-use prosthetic knee for military and veteran amputees. The product is a mechanical device with a lower regulatory bar than a powered knee, and the founder has identified a specific soft-launch geography, Ukraine, to generate clinical evidence faster than a US-only launch [Technical.ly, 2026].

Data Accuracy: YELLOW -- Headline opportunity and scenarios grounded in cited sources; specific revenue and valuation outcomes are scenario framing, not forecasts.

Sources

1. [smooth Transition] smooth Transition homepage | https://smlesstrn.com/
2. [smooth Transition] About Us | https://smlesstrn.com/about/
3. [smooth Transition] Endura Knee | https://smlesstrn.com/rugged-redemption/
4. [smooth Transition] In the News | https://smlesstrn.com/in-the-news/
5. [smooth Transition] Contact Us | https://smlesstrn.com/lets-stay-in-touch/
6. [LinkedIn] Sarah Malinowski profile | https://www.linkedin.com/in/sarah-malinowski-/
7. [GW Today, 2026] GW Alumna Aiding Amputees | https://gwtoday.gwu.edu/gw-alumna-aiding-amputees
8. [GW BME, 2026] Capitalizing on the Heart of the Action | https://bme.engineering.gwu.edu/capitalizing-heart-action
9. [GW BME, 2026] Celebrating Biomedical Engineering at BME Research Day 2023 | https://bme.engineering.gwu.edu/celebrating-biomedical-engineering-bme-research-day-2023
10. [GW New Venture Competition, 2026] 2022 New Venture Competition Winners | https://newventurecompetition.gwu.edu/2022-new-venture-competition-winners
11. [Yahoo News, 2026] CEO working on prosthetic knee to help amputees, veterans | https://www.yahoo.com/news/ceo-working-prosthetic-knee-help-004434124.html
12. [Technical.ly, 2026] This founder believes Ukraine is the place to soft-launch a prosthetic knee | https://technical.ly/startups/smooth-transition-ukraine-how-i-got-here/
13. [Arlington Economic Development, 2026] smooth Transition Pursues Patent with Catalyst Grant Funding | https://www.arlingtoneconomicdevelopment.com/News-Resources/Blog/smooth-Transition-Pursues-Patent-with-Catalyst-Grant-Funding
14. [Innovations of the World] smooth Transition: Allowing amputees to regain and maintain their active lifestyles | https://innovationsoftheworld.com/smooth-transition-allowing-amputees-to-regain-maintain-their-active-lifestyles/