Transabdominal gastric surgery system and method
Inventors
Pattison, Mary • Pattison, Charles Phillip • Lowry, Stephen J. • Molos, Mark A.
Assignees
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Publication Number
US-10258372-B2
Publication Date
2019-04-16
Expiration Date
Abstract
The present disclosure generally relates to a system and method for providing transabdominal gastric surgical access system for medical, endoscopic, and surgical instruments through a percutaneous surgically constructed opening. More particularly, it concerns a delivery system and a surgery system having structures that includes a cannula working channel, an internal and external anchor system, a cap and insertion tool for creating an opening, to provide gastric access through at least one port for the insertion of instruments for medical/surgical procedures.
Core Innovation
The invention provides a surgical system for transabdominal access for surgical instruments through a surgically constructed opening between an external body surface, the abdominal wall, and the stomach of a patient. The system includes a cannula with an internal anchor assembly adjacent the inner end and a lumen circumscribed by a sidewall between the inner end and opposed outer end, and the internal anchor assembly is actuable between a nondeployed position and a deployed position to contact the inner wall of the stomach.
The system also includes at least one external anchor for securing an outer portion of the cannula in place in the surgical opening adjacent the external surface, and the external anchor is selected from an array of anchor discs, each disc including an aperture sized for receiving the cannula therethrough. To enable simultaneous instrument access, a cap is provided including a plurality of access ports for introduction of surgical instruments through the cannula lumen into the stomach, where each access port has a unique angular orientation relative to the cannula lumen to provide simultaneous transabdominal access at different angular orientations.
The cap further includes a gas insufflation port connected to the cap for insufflation of a gas to the stomach to provide gastric distension. The access ports each include a double-seal disposed to reduce contamination of the cannula lumen and maintain intragastric insufflation by preventing escape of insufflated gas.
Claims Coverage
The independent claim is clm-00001. It covers 5 inventive features in a surgical system architecture for transabdominal access to the stomach.
Transabdominal stomach access cannula with actuable internal stomach-wall anchor
A cannula having an inner end, an opposed outer end, and a sidewall circumscribing a lumen, with an internal anchor assembly connected adjacent the inner end and actuable between a nondeployed position and a deployed position disposed to contact the inner wall of the stomach.
External anchor disc array securing outer portion in the surgical opening
At least one external anchor for securing an outer portion of the cannula in place in the surgical opening adjacent the external surface, the external anchor selected from an array of anchor discs, each disc including an aperture sized for receiving the cannula therethrough.
Cap with multiple access ports at unique angular orientations for simultaneous instrument access
A cap including a plurality of access ports for introduction of surgical instruments through the cannula lumen into the stomach, wherein each access port has a unique angular orientation relative to the cannula lumen to provide simultaneous transabdominal access to a plurality of surgical instruments at different angular orientations, configured to provide instrument access to the interior of the stomach at a plurality of different angles.
Gas insufflation port for gastric distension
A gas insufflation port connected to the cap for insufflation of a gas to the stomach to provide gastric distension.
Double-seal access ports to reduce contamination and maintain intragastric insufflation
Access ports each including a double-seal disposed to reduce contamination of the cannula lumen and maintain intragastric insufflation by preventing escape of insufflated gas.
Claim clm-00001 centers on a transabdominal surgical access system that stabilizes a cannula using an actuable internal stomach-wall anchor and an external anchor disc array, while enabling simultaneous multi-angle instrument access through a cap having multiple uniquely oriented access ports. The claim further integrates gastric distension with a gas insufflation port and reduces cannula contamination and insufflation loss using double-seal access ports.
Stated Advantages
Reduces contamination of the cannula lumen.
Maintains intragastric insufflation by preventing escape of insufflated gas.
Provides simultaneous transabdominal access to a plurality of surgical instruments at different angular orientations.
Provides instrument access to the interior of the stomach at a plurality of different angles.
Provides gastric distension by insufflation of gas to the stomach.
Documented Applications
Transabdominal access for surgical instruments through a surgically constructed opening between an external body surface, the abdominal wall, and the stomach of a patient.
Introduction of surgical instruments through the cannula lumen into the stomach for access at different angular orientations.
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