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Company type | Private |
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Industry | Health care |
Founded | 2005 |
Founder | Christophe Llorens (CEO) |
Headquarters | Geneva (GE), Switzerland |
Area served | Worldwide |
Key people | Raphael Llorens |
Website | zsimplants |
Zephyr Surgical Implants (ZSI) is a Swiss-based medical device manufacturer that produces and distributes artificial urinary sphincters and penile implants worldwide. ZSI products are used in the management of moderate-to-severe urinary incontinence in men, erectile dysfunction, Peyronie's disease, penis enlargement, and female-to-male gender reassignment surgery.
The company was founded by Dr. Christophe Llorens and Raphael Llorens in 2005. [1] The first product – ZSI 375 artificial urinary sphincter, was introduced in 2009. [2] [3] As of 2019, more than 4500 ZSI 375 artificial urinary sphincters were implanted worldwide. [2] The inflatable penile implant designed for female-to-male gender reassignment surgeries became available in the European market in March 2016, and the first phalloplasty procedures using ZSI 475 FtM implants were performed in June 2016. [4]
Many clinical studies have been performed with the artificial urinary sphincter ZSI 375 in the treatment of moderate and severe stress incontinence, most of them are retrospective and non-randomized tests. Success rates in total or social continence vary, in a period of 6 to 24 months, between 68 and 89%. [5] [6]
Urinary incontinence (UI), also known as involuntary urination, is any uncontrolled leakage of urine. It is a common and distressing problem, which may have a large impact on quality of life. It has been identified as an important issue in geriatric health care. The term enuresis is often used to refer to urinary incontinence primarily in children, such as nocturnal enuresis. UI is an example of a stigmatized medical condition, which creates barriers to successful management and makes the problem worse. People may be too embarrassed to seek medical help, and attempt to self-manage the symptom in secrecy from others.
Phalloplasty is the construction or reconstruction of a penis or the artificial modification of the penis by surgery. The term is also occasionally used to refer to penis enlargement.
Metoidioplasty, metaoidioplasty, or metaidoioplasty is a female-to-male gender-affirming surgery.
Gender-affirming surgery for female-to-male transgender people includes a variety of surgical procedures that alter anatomical traits to provide physical traits more comfortable to the trans man's male identity and functioning.
Genital reconstructive surgery may refer to:
Transurethral resection of the prostate is a urological operation. It is used to treat benign prostatic hyperplasia (BPH). As the name indicates, it is performed by visualising the prostate through the urethra and removing tissue by electrocautery or sharp dissection. It has been the standard treatment for BPH for many years, but recently alternative, minimally invasive techniques have become available. This procedure is done with spinal or general anaesthetic. A triple lumen catheter is inserted through the urethra to irrigate and drain the bladder after the surgical procedure is complete. The outcome is considered excellent for 80–90% of BPH patients. The procedure carries minimal risk for erectile dysfunction, moderate risk for bleeding, and a large risk for retrograde ejaculation.
Scrotoplasty, also known as oscheoplasty, is a type of surgery to create or repair the scrotum. The history of male genital plastic surgery is rooted in many cultures and dates back to ancient times. However, scientific research for male genital plastic surgery such as scrotoplasty began to develop in the early 1900s. The development of testicular implants began in 1940 made from materials outside of what is used today. Today, testicular implants are created from saline or gel filled silicone rubber. There are a variety of reasons why scrotoplasty is done. Some transgender men and intersex or non-binary people who were assigned female at birth may choose to have this surgery to create a scrotum, as part of their transition. Other reasons for this procedure include addressing issues with the scrotum due to birth defects, aging, or medical conditions such as infection. For newborn males with penoscrotal defects such as webbed penis, a condition in which the penile shaft is attached to the scrotum, scrotoplasty can be performed to restore normal appearance and function. For older male adults, the scrotum may extend with age. Scrotoplasty or scrotal lift can be performed to remove the loose, excess skin. Scrotoplasty can also be performed for males who undergo infection, necrosis, traumatic injury of the scrotum.
Prostatectomy is the surgical removal of all or part of the prostate gland. This operation is done for benign conditions that cause urinary retention, as well as for prostate cancer and for other cancers of the pelvis.
Radical retropubic prostatectomy is a surgical procedure in which the prostate gland is removed through an incision in the abdomen. It is most often used to treat individuals who have early prostate cancer. Radical retropubic prostatectomy can be performed under general, spinal, or epidural anesthesia and requires blood transfusion less than one-fifth of the time. Radical retropubic prostatectomy is associated with complications such as urinary incontinence and impotence, but these outcomes are related to a combination of individual patient anatomy, surgical technique, and the experience and skill of the surgeon.
Stress incontinence, also known as stress urinary incontinence (SUI) or effort incontinence is a form of urinary incontinence. It is due to inadequate closure of the bladder outlet by the urethral sphincter.
Neurogenic bladder dysfunction, often called by the shortened term neurogenic bladder, refers to urinary bladder problems due to disease or injury of the central nervous system or peripheral nerves involved in the control of urination. There are multiple types of neurogenic bladder depending on the underlying cause and the symptoms. Symptoms include overactive bladder, urinary urgency, frequency, incontinence or difficulty passing urine. A range of diseases or conditions can cause neurogenic bladder including spinal cord injury, multiple sclerosis, stroke, brain injury, spina bifida, peripheral nerve damage, Parkinson's disease, multiple system atrophy or other neurodegenerative diseases. Neurogenic bladder can be diagnosed through a history and physical as well as imaging and more specialized testing. In addition to symptomatic treatment, treatment depends on the nature of the underlying disease and can be managed with behavioral changes, medications, surgeries, or other procedures. The symptoms of neurogenic bladder, especially incontinence, can severely degrade a person's quality of life.
Retropubic space is a potential avascular space located between the pubic symphysis and the urinary bladder. The retropubic space is a preperitoneal space, located behind the transversalis fascia and in front of peritoneum.
A penile implant is an implanted device intended for the treatment of erectile dysfunction, Peyronie's disease, ischemic priapism, deformity and any traumatic injury of the penis, and for phalloplasty or metoidioplasty, including in gender-affirming surgery. Men also opt for penile implants for aesthetic purposes. Men's satisfaction and sexual function is influenced by discomfort over genital size which leads to seek surgical and non-surgical solutions for penis alteration. Although there are many distinct types of implants, most fall into one of two categories: malleable and inflatable transplants.
The urethral sphincters are two muscles used to control the exit of urine in the urinary bladder through the urethra. The two muscles are either the male or female external urethral sphincter and the internal urethral sphincter. When either of these muscles contracts, the urethra is sealed shut.
Sacral nerve stimulation, also termed sacral neuromodulation, is a type of medical electrical stimulation therapy.
Brachytherapy is a type of radiotherapy, or radiation treatment, offered to certain cancer patients. There are two types of brachytherapy – high dose-rate (HDR) and low dose-rate (LDR). LDR brachytherapy is the one most commonly used to treat prostate cancer. It may be referred to as 'seed implantation' or it may be called 'pinhole surgery'.
In ancient civilizations, the removal of the human penis was sometimes used to demonstrate superiority or dominance over an enemy. Armies were sometimes known to sever the penises of their enemies to count the dead, as well as for trophies. The practice of castration sometimes involved the removal of all or part of the penis, generally with a tube inserted to keep the urethra open for urination. Castration has been used to create a class of servants or slaves called eunuchs in many different places and eras.
An artificial urinary sphincter (AUS) is an implanted device to treat moderate to severe stress urinary incontinence, most commonly in men. The AUS is designed to supplement the function of the natural urinary sphincter that restricts urine flow out of the bladder.
If medical treatment is not effective, surgery may need to be performed for benign prostatic hyperplasia.
Miroslav L Djordjevic is a Serbian surgeon specializing in sex reassignment surgery, and an assistant professor of urology at the School of Medicine, University of Belgrade, Serbia.