51 results about "Laparoscopic Port" patented technology

Various embodiments of a laparoscopic trocar assembly are disclosed. The port assemblies include inserted parts that protect the patient's tissues at the point of deployment. The port assemblies include seals for maintaining pneumoperitoneum both when instrument are being used and when instruments are not inserted.

A laparoscopic port assembly includes a cannula unit including three cannulas each extending at an acute angle relative to a base. The cannulas are flexible for receiving respective angulated laparoscopic instruments. The cannula unit is rotatingly received in a port holder for rotation about a longitudinal axis of the holder, the holder being disposable in an opening in a patient's skin.

A device is provided to assist in closing an incision through body tissue that comprises a tubular body sized for introduction through the incision and carrying a plurality of stabilizer elements at the distal end thereof. The stabilizer elements are configured to be deployed within the body cavity to engage the lowermost tissue layer. In one method, the device is pulled with the stabilizer elements deployed to retract the body tissue away from adjacent body structure. In another method, a plurality of needle tips carrying sutures are guided through the body tissue to a retention device at the ends of the stabilizer elements. With the needle tips captured in the retention devices, the device is withdrawn from the incision so that the sutures form ligatures that can be tied off to close the incision.

A laparoscopic surgical technique is provided for preparing a site for implantation of a fusion device or implant. In accordance with one embodiment of the technique, a laparoscope is provided having an outer sleeve with distraction fingers at one end to distract the disc space. The laparoscope includes a laparoscopic port at its opposite end through which instruments and implants are inserted. The laparoscope provides a sealed working channel to the disc space, through which the disc space is distracted, the vertebral endplates and surrounding disc is reamed, and the fusion device inserted. The laparoscope is alternately engaged within bilateral locations in the disc space for insertion of a pair of fusion implants. A switching sleeve extends through the laparoscope to protect the tissue at the surgical site as the laparoscope is moved between the bilateral fusion locations.

Apparatus and methods are described allow the techniques of endoscopic and laparoscopic surgery to be combined into a minimally invasive hybrid surgical technique called NOTES-assisted laparoscopic surgery. Manual and robotic-controlled versions of a modular laparoscopic tool are described having a small diameter shaft that is delivered laparoscopically to a surgical site. Larger diameter working tips are delivered through a NOTES delivery tube inserted to the surgical site through a natural orifice and joined to the shaft of the modular laparoscopic tool. Larger diameter working tips improve the effectiveness of the modular laparoscopic tools and the number and size of laparoscopic ports used can also be reduced.

ClotFoam is a surgical sealant and hemostatic agent designed to be used in cases of non-compressible hemorrhage. It can be applied in the operating room through laparoscopic ports, or directly over lacerated tissue in laparotomy procedures or outside the operating room through a mixing needle and/or a spray injection method following abdominal, chest, extremities or other intracavitary severe trauma to promote hemostasis. Its crosslinking technology generates an adhesive three-dimensional polymeric network or scaffold that carries a fibrin sealant required for hemostasis. When mixed, Clotfoam produces a foam that spreads throughout a body cavity reaching the lacerated tissue to seal tissue and promote the coagulation cascade.

The viscoelastic attachment properties of the foam as well as the rapid formation of a fibrin clot that ensure that the sealant remains at the site of application without being washed away by blood or displaced by movement of the target tissue .

A surgical clamp is provided that is applied through a laparoscopic port and is used for clamping off a portion of an organ. The surgical clamp comprises an elongated flexible bioabsorbable polymer band laced with a hemostatic agent. The band has a proximal end and a distal end. A bioabsorbable polymer tie secures in place the proximal end of the band to the distal end of the band. A conductive wire snare is provided to cut and cauterize a target.

An apparatus for reversely deactivating a port seal in a laparoscopic port and providing a continuous passage between the laparoscopic port and a remote location in a body cavity.

In laparoscopic surgery, small (5-12 mm diameter) incisions are made in the abdominal wall through which instruments dissect and remove specimens that may be several centimeters in diameter. Removal of the sample typically requires either enlarging these incisions or morcellating the sample to pass through the sub-centimeter ports. The laparoscopic device permits extraction of the sample to be removed in a female using the vagina, which has sufficient elasticity to accommodate removal of large specimens. The posterior portion of the vagina communicates to the abdomen through a few tissue layers, and is distant from vital anatomic structures. Utilizing the vagina is optimal due to its ease of access to the abdomen and repair, minimal scarring and post-operative pain, and faster recovery following surgery. A deployable collection bag is housed in a sheath, which is deployed into the vagina or abdominal cavity to extract a large (multiple-centimeter) specimen(s) through the vagina. Optional insufflation system and inflatable balloon to maintain pneumoperiotoneum may be used to reduce the number of laparoscopic ports required.

Surgical Manipulator A surgical manipulator (10) is disclosed which employs a suction cup (30) to hold body parts (50) whilst the manipulator is moved to manipulate the body part (50). Suction at the cup (30) is provided by means of a central passage (16) running through an extension (20) and through a handle part (14) to a vacuum connector (12). The suction at the cup (30) can be adjusted by a slider (15) which adjustably opens the passage (16) to atmosphere. Needles (58) and the like can be introduced into the passage (16) and thereby into the body part (50). For laparoscopic surgery the manipulator can be introduced into a laparoscopic port (52) by collapsing the suction cup (30) within an introducer sleeve (22 Fig 3). The introducer sleeve (22) can act as a suction device when the cup (30) is collapsed within it. The needle (58) can be replaced by a diathermy electrode (60 Fig 6) and irrigation is possible using an additional supply tube (121 Figure 4).

A laparoscopic netting assembly is provided for conducting a gallbladder or bile duct procedure through one of the throughbores in a carrier sheath, which in turn may be positioned within a laparoscopic port. The carrier sheath includes at least one through channel for conducting a frame control rod, and optionally a deployment rod. The netting assembly includes a collapsible and expandable frame and a fluid permeable netting, which is preferably comprises a plurality of netting layers, suspended on the frame for collecting stones released from the gallbladder or bile duct. The frame is sized to also collect the gallbladder. The carrier sheath may also include one or more through channels for a cutting instrument.

An endoscopic access port and sheath assembly or laparoscopic port (10) comprises a sheath (12) and a haemostatic valve. The sheath has an elongate tubular body and a sheath lumen through it. The haemostatic valve comprising a housing (14), the housing comprises a tubular body with an internal lumen (18) and a first end and a second end. The first end is connected to the sheath and the sheath lumen and the internal lumen are in fluid communication. The second end of the housing has an access port. There is a substantially cylindrical valve assembly (27) within the housing at the second end of the housing. The substantially cylindrical valve assembly is formed from a plurality of valve segments (28). Each valve segment has an elongate body being in cross section a sector of a circle. Each valve segment is formed from a resilient material. The plurality of valve segments when assembled form the substantially cylindrical valve assembly and define between each other a plurality resilient interface regions (29) to receive and grip a medical device between them in use.

A seal device to create an airtight seal around a variety of laparoscopic instruments passed through laparoscopic ports. The seal device comprises a plurality of overlapping elastic disks with each disk defining an aperture and configured to accommodate an instrument. The elasticity of each disk maintains a seal around the instrument as the instrument is manipulated.

A system and method for passing an end portion of a needle system from a body cavity to an outer environment through a laparoscopic port is provided. The system comprises a seal bridge which comprises an elongated body. The seal bridge is telescopically introducible at a first proximal end, through a first lumen in the port and bypassing a seal mechanism of the laparoscopic port. The seal bridge is adapted to be inserted through the proximal opening port to be deployed in the lumen of the port and thereby bridging across and/or deactivating the seal of the port. The method comprises positioning a distal portion of a needle shaft from within the body cavity into the port lumen and across the seal opened by the seal bridge.