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Zephyr Surgical Implants

Zephyr Surgical Implants is a Swiss medical-device manufacturer specializing in artificial urinary sphincters and penile implants.

Last updated August 25, 2026

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Overview

Zephyr Surgical Implants, commonly abbreviated as ZSI, is a Swiss medical-device manufacturer focused on implantable urological products. The company was founded in 2005 by Dr. Christophe Llorens and Raphael Llorens and developed a product portfolio addressing urinary incontinence, erectile dysfunction, Peyronie's disease, penile reconstruction, and selected gender-affirming surgical procedures. The company’s best-known product is the ZSI 375 artificial urinary sphincter. It was introduced in 2009 as an implantable treatment for moderate-to-severe male stress urinary incontinence. The device is intended to restore urinary control by using an inflatable cuff and control mechanism to regulate the urethra. According to the referenced Wikipedia material, more than 4,500 ZSI 375 devices had been implanted worldwide by 2019. Clinical literature concerning the device has included retrospective and non-randomized studies, with reported total or social continence rates ranging from 68% to 89% over follow-up periods of approximately six to 24 months. These figures are study-specific and should not be interpreted as a universal performance guarantee. ZSI also manufactures inflatable penile implants. Its products have been associated with surgical management of erectile dysfunction and Peyronie's disease, as well as reconstructive procedures involving penile enlargement and phalloplasty. In March 2016, an inflatable penile implant designed for female-to-male gender-affirming surgery became available in the European market. The first reported phalloplasty procedures using the ZSI 475 FtM implant took place in June 2016. This placed the company among the specialist manufacturers addressing implantable solutions for gender-affirming urological reconstruction. The brand operates in a highly specialized medical-device segment in which product design, surgeon training, clinical evidence, regulatory authorization, implantation technique, and post-operative follow-up are central to adoption. Its products are used by specialist clinicians rather than purchased directly by general consumers. ZSI's international orientation is reflected in the reported worldwide use of its implants and its distribution beyond Switzerland, although the supplied reference material does not identify a complete list of countries, subsidiaries, distributors, or regulatory approvals. Publicly available information in the supplied material is limited. It identifies the founders, principal product families, selected launch dates, implantation figures, and broad clinical indications, but does not establish the company's current ownership, revenue, executive team, headquarters city, website, listing status, or detailed corporate structure. Those fields therefore remain unspecified.

History

Zephyr Surgical Implants was established in Switzerland in 2005 by Dr. Christophe Llorens and Raphael Llorens. From its beginning, the company concentrated on implantable products for specialized urological care rather than broad hospital equipment or consumer healthcare. Its work has centered on artificial urinary sphincters and penile implants used in reconstructive and functional surgery. The company's first identified major product was the ZSI 375 artificial urinary sphincter, introduced in 2009. The device was developed for men with moderate-to-severe stress urinary incontinence, a condition that can persist after prostate or other pelvic surgery and may require an implantable continence solution. The ZSI 375 uses an implantable inflatable mechanism to provide controlled urethral compression. By 2019, more than 4,500 ZSI 375 sphincters had reportedly been implanted worldwide. Clinical research involving the ZSI 375 has included multiple studies examining outcomes in men with moderate or severe stress incontinence. The available reference describes most of these investigations as retrospective and non-randomized. Reported rates of total or social continence ranged from 68% to 89% across follow-up periods lasting six to 24 months. Because the studies differed in design and patient populations, these findings provide context about published outcomes rather than a single definitive efficacy estimate. ZSI subsequently expanded its focus to inflatable penile implants. These products have been associated with the treatment of erectile dysfunction and Peyronie's disease, and with reconstructive procedures involving penile enlargement. The company also developed an implant specifically intended for use in female-to-male gender-affirming surgery. The inflatable implant reached the European market in March 2016, and the first reported phalloplasty procedures using the ZSI 475 FtM implant were performed in June of that year. This development broadened the company's role from urinary-continence technology into penile reconstruction and gender-affirming urology. The brand's products are used in specialist surgical settings and require clinical assessment, implantation by trained professionals, and post-operative management. The supplied reference indicates that ZSI products have been distributed and implanted internationally, but does not provide a complete chronology of market approvals, distributor relationships, or geographic sales. The reference material does not provide reliable details about later corporate ownership, revenue, public listing, current management, headquarters city, or a corporate website. Accordingly, the documented history is strongest for the company's founding, the introduction of the ZSI 375, the reported implantation count, and the development and European introduction of the ZSI 475 FtM implant.

  • 2019

    More than 4,500 ZSI 375 implants reported

    [1]

    The referenced material reported that more than 4,500 ZSI 375 artificial urinary sphincters had been implanted worldwide by 2019.

  • 2016

    ZSI 475 FtM enters the European market

    [1]

    An inflatable penile implant designed for female-to-male gender-affirming surgery became available in Europe in March 2016.

  • 2016

    First reported ZSI 475 FtM phalloplasty procedures

    [1]

    The first reported phalloplasty procedures using the ZSI 475 FtM implant were performed in June 2016.

  • 2009

    ZSI 375 introduced

    [1]

    The company introduced the ZSI 375 artificial urinary sphincter for the management of moderate-to-severe male stress urinary incontinence.

  • 2005

    Company founded

    [1]

    Christophe Llorens and Raphael Llorens founded Zephyr Surgical Implants in Switzerland.

Products and positioning

A specialist medical-device brand providing implantable urological and penile reconstruction solutions for urinary incontinence, erectile dysfunction, Peyronie's disease, and selected gender-affirming procedures.

  • Artificial urinary sphincter · 2009

    ZSI 375

    The ZSI 375 is an implantable artificial urinary sphincter introduced in 2009 for men experiencing moderate-to-severe stress urinary incontinence. Its inflatable cuff and control system are designed to provide controlled urethral compression and allow the patient to manage urinary release. The product has been evaluated in clinical studies, most of which were described in the supplied reference as retrospective and non-randomized. More than 4,500 implants were reportedly placed worldwide by 2019.

  • Inflatable penile implant · 2016

    ZSI 475 FtM

    The ZSI 475 FtM is an inflatable penile implant developed for use in female-to-male gender-affirming surgery and phalloplasty. It became available in the European market in March 2016, and the first reported phalloplasty procedures using the implant took place in June 2016. The product belongs to ZSI's broader penile-implant and reconstructive-urology portfolio.

  • Penile implants

    ZSI inflatable penile implants

    ZSI's inflatable penile implant range is associated with surgical treatment of erectile dysfunction and Peyronie's disease, as well as reconstructive procedures and penile enlargement. The supplied reference does not provide a complete model list or technical specifications, so the range is described at the product-family level rather than as a full catalog.

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