31 results about "Wound retractor" patented technology

A surgical wound retractor comprises a retracting member for insertion into a wound opening and a proximal member for location externally of a wound opening A clamp is used to clamp the retracting member to the proximal member.

A surgical access device includes a single valve that forms a seal with a body wall and provides an access channel into a body cavity. The valve has properties for creating a zero seal in the absence of an instrument as well as an instrument seal for an instrument having a diameter up to about 37 mm. The valve can include a gel material and the access channel can include a protective sleeve to provide for wound protection during insertion and withdrawal of a sharp surgical instrument. The valve further comprises a cap ring which may be inserted or molded with the gel material. The protective sleeve may be bonded or molded around an inner diameter of the cap ring. The protective sleeve may be a single tubular member, or may comprise a plurality of axially extending sleeve members having a plurality of axial slits. The protective sleeve and the cap ring may comprise of the same or different materials. The surgical access device further comprises at least one support ring disposed circumferentially of the valve forming a hollow space, and a wound retractor operatively placed in the hollow space. The wound retractor includes an inner ring, an outer ring, and a flexible sleeve connecting the inner ring and the outer ring.

In one embodiment, a wound retractor includes a plurality of straps connected between an inner ring and an outer ring assembly. The inner ring is positioned internal of the wound so that it rests against the innermost tissue layer, and the outer ring is located outside of the wound adjacent the outermost tissue layer. The outer ring assembly includes an inner ring having guide holes for the passage of the straps and an outer ring to which the straps are affixed. Rotation of the outer ring of the outer ring assembly relative to the inner ring of the outer ring assembly results in a shorting of the effective length of the straps, retraction of the wound edge and exposure of the wound site.

A wound retractor (320) comprises a distal ring (3) for insertion through a wound opening (6), a proximal ring (4) for location externally of the wound opening (6), a valve (10) mounted to the proximal ring (4), and a sleeve (2) for retracting laterally the sides of the wound opening (6). The wound retractor (320) also comprises a flexible release member (81) for releasing the distal ring (3) from a retracting configuration for removal of the distal ring (3) from the wound opening (6). A first end (301) of the release member (81) is attached to the valve housing (102), the release member (81) loops around the distal ring (3), and a second end (302) of the release member (81) is movable relative to the proximal ring (4) to release the distal ring (3) from the retracting configuration.

A wound retractor system comprises a retractor having a distal ring 91 and a retracting sleeve 4 extending from the ring. An insertion tool 120 has a distal groove 122 to hold the ring for insertion of the ring through a small incision 90 in the abdominal wall 97. The retractor may be used for retracting an incision to receive an instrument therethrough. A seal or valve may be mounted to the retractor through which an instrument can pass.

Devices, methods, and systems provide a surgical access device comprising an internal retractor device integrated with or coupled to a body wall or wound retractor. The wound retractor retracts an opening in a body wall into a body cavity, while the internal retractor permits a user to control the positions of internal structures within the body cavity, thereby permitting a user to define a surgical field. Embodiments of the internal retractor are adjustable.

A wound retractor and a specimen bag are disclosed. A surgical apparatus for positioning within a tissue incision to access an underlying body cavity and remove a tissue specimen therefrom includes a wound retractor having a specimen bag attached thereto. The wound retractor includes a proximal ring, a distal ring, and a film extending therebetween defining a longitudinal passage therethrough. The specimen bag is attached to the distal ring of the wound retractor and permits placement of a tissue specimen to be removed from the body therein.

The present disclosure provides a wound retractor and specimen bag assembly. The surgical device of the present disclosure includes a wound retractor having a specimen bag attached thereto. A wound retractor includes a proximal ring, a distal ring, and a membrane extending therebetween. The specimen bag is attached to the distal ring of the wound retractor. Kits of the present disclosure include a surgical device and a wound shield. The wound shield is introduced into the lumen of the wound retractor when the tissue sample to be removed from the patient is too large to pass through the incision or wound. Next, a mechanical device such as a scalpel or morcellator can be introduced into the lumen of the wound shield and manipulated about the wound shield to break up the tissue sample without damaging the specimen bag or the wound retractor. Methods of using the surgical devices and kits of the present disclosure are also provided.

A surgical port includes an end face with a channel extending through the end face. The channel has a cross section shaped to receive a surgical instrument cannula. A lateral wall extends around a perimeter of the end face. The lateral wall and end face enclose an open volume. A rim extends radially inward from the lateral wall and projects into the open volume. An apron portion extends radially outward from the lateral wall and in a direction axially away from the end face. Surgical systems may include surgical ports. Methods relate to using surgical ports.

The application discloses a medical device for a surgical procedure, and particularly relates to a procedure for manipulating a surgical instrument end effector near a skin surface at an incision site. In accordance with some embodiments, an instrument access device is configured to couple to a wound retractor at a distal end of the device and receive a multi-instrument access guide in a port at a proximal end of the instrument access device with a cuff between the distal end and the proximal end defining a sealed cavity for maintaining inflation pressure. Various embodiments provide an apparatus for rotating an auxiliary port in an envelope about a port that receives an instrument access guide without twisting the envelope. Various envelope shapes are also disclosed. An instrument entry guide to align a surgical instrument shaft is also disclosed.

The invention relates to the technical field of medical instrument production, and discloses a retractor structure for neurosurgery department, and the retractor structure comprises a guiding part body, the guiding part body is specifically of a rounded rectangular frame structure, a plurality of bending parts are arranged along the frame, and the guiding part body is bent with the bending parts as the axis and attached to the occipital bone, the parietal bone and the spine of a patient, and the outer wall of the guiding part body is connected with a locking part in a sliding manner, and the locking part is assembled to enable a movably mounted pull hook edge to be distributed at any angle and pull a notch. According to the retractor structure for the neurosurgery department, the design of a conventional wound retractor is abandoned, the device can be conveniently attached to the wound part of a patient through the multi-modular guiding part body, a pulling hook can guarantee the pulling angle and the opening degree of the wound by changing the angle of the pulling hook, a visual field clear enough is guaranteed in the surgery, and an illumination lamp arranged on the pulling hook can ensure that the interior of the wound is bright enough.

The invention discloses a detachable vertical cable receiving device, which comprises a motor arranged above and a bearing seat corresponding to the motor arranged below, the motor head of the motor is arranged vertically downward, and the A take-up shaft is installed between the motor and the bearing seat, and an upper frame plate and a lower frame plate are installed on the upper and lower ends of the take-up shaft; and two lifters are correspondingly installed on the lower frame plate. When the present invention is used, when the motor is turned on and rotated, the upper and lower frame plates and the lifting plate will rotate accordingly, and the positioning sleeve will not rotate accordingly; while the lifter is turned on while the motor is rotating, the lifter will drive the lifting plate Move up and down, so as to drive the positioning sleeve to move up and down, and the upper moving sleeve will also move up and down at the limit line of the sleeve rod. The cable passes through the positioning sleeve, and moves up and down with the positioning sleeve so that it can be evenly wound It is rolled on the take-up shaft, thus realizing the uniform take-up function of the vertical cable take-up machine.

A surgical apparatus of the present disclosure includes a wound retractor having a specimen bag attached thereto. Kits of the present disclosure include the surgical apparatus and a vacuum tube. In embodiments, the vacuum tube may be introduced into a lumen of the wound retractor. A vacuum source is attached to a proximal end portion of the vacuum tube to draw a vacuum through the vacuum tube, which in turn draws a tissue specimen into the lumen of the vacuum tube through an opening in the distal end portion of the vacuum tube. The vacuum tube, possessing the tissue specimen therein, may thenbe removed from the wound retractor. Methods for using the surgical apparatus and/or kits of the present disclosure are also provided.