Surgery in Zurich – Dr. med. Hani Oweira

Dr. med. Hani Oweira is a renowned surgeon who specializes in high-precision surgical procedures and surgical innovations. He is known for his commitment to developing innovative surgical techniques and works closely with other specialists to provide his patients with individualized and holistic care in surgery.

Chirurgie Zürich - Dr. med. Hani Oweira

Dr. med. Hani Oweira

Visceral surgery, hernia surgery, cancer surgery, and more…

  • A specialized surgeon based in Zurich.

  • Over 20 years of experience in surgery.

  • Highly regarded surgeon in the press.

Dr. med. Hani Oweira is an experienced surgeon in Zurich who specializes in complex surgical procedures. He has extensive expertise in visceral and cancer surgery, as well as in the treatment of abdominal diseases such as hernias. His surgeries include:

  • Visceral surgical procedures such as surgeries on the stomach, intestines, pancreas, spleen or gallbladder as well as the treatment of gallstones
  • Hernia surgery, including inguinal and incisional hernias
  • Minimally invasive procedures such as laparoscopic and endoscopic surgery
  • Surgical oncology, including the treatment of tumors in the abdominal cavity.

“As a specialist in abdominal surgery, I specialize in minimally invasive surgical treatment of the abdominal organs, including the entire digestive tract with the esophagus, stomach, small and large intestines, rectum and appendix, liver, pancreas and spleen, as well as the thyroid and parathyroid glands in surgery in Zurich.

We offer a wide range of services both in the outpatient and inpatient setting, and adapt individually to the needs of our patients in surgery. A variety of treatment methods and services are offered at the Cham or Zurich locations in clinics of the Hirslanden Group in surgery.”

Visceral surgery is a field of surgery that deals with the operative treatment of diseases and malformations of the internal organs and breast glands.

The visceral surgeon works closely with gastroenterologists to provide the best possible treatment for patients. For example, gallstones diagnosed by a gastroenterologist can be surgically removed by the visceral surgeon. In addition, the surgeon performs operations on tumors in the gastrointestinal tract and treats hemorrhoids, utilizing modern techniques such as laparoscopic surgery and laser technology.

After a surgical procedure, the specialist in visceral surgery continues to care for their patients to ensure a successful healing process.

Videos about surgery in Zurich by Dr. med. Hani Oweira

Frequently asked questions about visceral surgery by Dr. Oweira Surgery in Zurich

Which areas of visceral surgery does Dr. Oweira’s clinic cover?

The clinic of Dr. Oweira specializes in surgery of the digestive system, including the stomach, intestines, liver, pancreas, and gallbladder. He is particularly experienced in colon surgery and can perform various procedures to treat conditions such as colon cancer, inflammatory bowel disease, and diverticulitis. Additionally, he has experience in the treatment of hernias and other defects of the abdominal wall. Dr. Oweira utilizes the latest surgical techniques and technologies to achieve the best possible outcomes for his patients, and addresses the individual needs of each patient.

What is minimally invasive surgery, and how is it utilized by Dr. Oweira?

The minimally invasive surgery is a surgical technique where a surgeon makes small incisions in the body and uses specialized instruments and cameras to perform surgical procedures. This approach can lead to less pain and scarring, faster recovery, and a lower risk of complications compared to traditional open surgery.
Dr. Oweira is an experienced surgeon who utilizes minimally invasive surgery for a variety of procedures, including digestive system surgery, bowel surgery, and other abdominal surgeries. As an experienced surgeon, he has expertise in laparoscopic surgery, where small incisions are made and a camera and specialized instruments are used to perform the operation.
Dr. Oweira carefully evaluates each case to determine whether minimally invasive surgery is appropriate for his patients. As a responsible surgeon, his goal is to provide his patients with the safest and most effective surgical care, utilizing the most suitable techniques and technologies for each individual case. He works closely with his patients to develop a personalized treatment plan that meets their individual needs and preferences.

How do I know if I need surgery on my colon or rectum?

The signs that indicate a patient may need surgery on the colon or rectum vary depending on the individual case. If a patient has symptoms such as rectal bleeding, changes in bowel habits, abdominal pain, or unexplained weight loss, they should consult with a colon and rectal surgeon who can assess their condition and determine if surgery is necessary.

How long does it usually take to recover from a visceral surgery?

The recovery time after a visceral surgery varies depending on the type of surgery, the individual patient, and the extent of the procedure. In general, minimally invasive surgeries have a shorter recovery time than open surgeries. The overall health and age of the patient can also affect the recovery time. Patients typically spend several days in the hospital after a visceral surgery and will need to rest and restrict physical activities for several weeks to months while their body heals. The surgeon will provide specific instructions for activity restriction and wound care during the recovery period.

How does Dr. Oweira determine the appropriate surgical approach for a specific patient and condition?

Dr. Oweira chooses the surgical approach based on a thorough examination of the patient and an accurate diagnosis. He takes into account the type and severity of the condition, the patient’s age and health, and other factors that may affect the healing process. He then discusses with the patient the various options and explains the advantages and disadvantages of each method to jointly make the best decision.

What kind of postoperative care and follow-up is required after the surgery?

The type of postoperative care and follow-up depends on the type of procedure and the patient’s condition. Typically, after a visceral operation, patients need to stay in the hospital for a certain period and then undergo a healing process that involves regular follow-up appointments and, if necessary, physiotherapy. The surgeon will inform the patient about the measures that are necessary in their individual case.

How can patients cope with pain and discomfort after a visceral surgery?

After a visceral surgery, patients may experience pain and discomfort, which can vary from patient to patient. The surgeon will typically prescribe pain medication to alleviate the pain. In addition, patients can rest, adjust their diet, and perform light exercise to support the healing process. It is important for patients to follow their surgeon’s instructions and to contact the medical team with any questions or concerns.


I operate as an accredited visiting physician at the following clinics:

Contact the Dr. Oweira clinics in Cham and Zurich for more information about surgical procedures and to schedule appointments and surgeries.

Contact Us
Hirslanden AndreasKlinik, Cham

Hirslanden AndreasKlinik, Cham

The AndreasKlinik Cham Zug offers comprehensive medical and surgical basic care in a comfortable hotel-like atmosphere. As a listed hospital, we are open to patients of all insurance categories. With 56 beds, the AndreasKlinik has a manageable size that guarantees patients personalized care and individualized attention. My practice is located on the grounds of the clinic, which is just a minute’s walk away.

Klinik Hirslanden, Zürich

Klinik Hirslanden, Zürich

The Hirslanden Clinic is a modern private hospital in Zurich and is part of Hirslanden, the leading private hospital group in Switzerland. The modern infrastructure and medical expertise of the doctors and staff have been the guiding principles and philosophy for years, ensuring that patients feel completely comfortable and well taken care of.

Hirslanden Klinik Im Park

Hirslanden Klinik Im Park

The Klinik Im Park, part of the Hirslanden Group, is located in an idyllic location on the left bank of Lake Zurich. The clinic offers highly specialized medicine and state-of-the-art infrastructure. It admits semi-private and private patients who can enjoy not only highly professional treatment but also the benefits of first-class gastronomy and hotel services.

Dr. med. Hani Oweira is a specialized surgeon based in Zurich, Switzerland. With over 20 years of experience in visceral surgery, Dr. Oweira has performed highly complex surgeries in Cham and Zurich.

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You can obtain further information about non-invasive aesthetic treatments at the clinics of Dr. Oweira in Cham and Zurich.

Opening hours: Monday – Friday: 8:30 am – 5:00 pm.