Abstract: This disclosure relates to a medical device. The medical device comprises a first and a second component. The first component comprises a first portion having a first handle part and a second portion having a grip. The second component is linked to the first component and is configured to be in communication with the first component to be actuated from an open to a closed position. The second component defines a third portion and a fourth portion, the third portion defining a second handle part and the fourth portion defining a second grip that is configured to grip a tissue in combination with the first grip portion of the first component. In certain embodiments, the first component or second component comprises a substantially straight member attached distally from the grip.

Abstract: The invention discloses an intraoral retractor for a temporomandibular joint and relates to the technical field of medical instruments. The invention comprises a retraction mechanism, a main connecting rod and an operating mechanism; wherein the retraction mechanism and the main connecting rod are bent overall, one end of the retraction mechanism is a supporting end, and the other end is connected with the main connecting rod; a draw hook in a withdrawn state is provided in the supporting end, the operating mechanism is disposed at a tail end of the main connecting rod, and the operating mechanism can enable the draw hook to thrust out of the retraction mechanism and move up and down in the supporting end. The invention has a small size with the overall structure designed as a small bent pipe, the bending angle fits features of a human body, only a small incision is required for the retractor to enter the oral cavity of a patient, so the patient may suffer less pain, and no scar is left on the patient's face.

Abstract: A bone distractor having first and second prongs each having a side having a serrated portion and an opposing side having a portion smoother than the serrated portion. In an insertion position, the serrated sides are positioned inwardly so the smoother portions are in contact with bone during insertion. During a use position to distract bone, the serrated sides are moved outwardly to place the serrated portions in contact with bone.

Abstract: A surgical device for retraction of a body part is disclosed. The surgical device comprises an anchor at each end of the surgical device; an elongate body comprising a plurality of fenestrations along a body length wherein each fenestration is sized to receive at least part of one of the anchors; and a stopper preventing a tail end of the device being pulled through any of the plurality of fenestrations. The surgical device may also comprise additional features such as, the elongate body being sufficiently flexible to fold back or partly fold back on itself and the lead anchor and tail anchor being oriented in the same direction. Also provided is a method of manufacturing the surgical device; a method for inserting the surgical device; and a kit comprising the surgical device.

Abstract: A surgical retractor includes a first member defining a longitudinal axis. The first member includes a blade disposed in spaced apart relation relative to the longitudinal axis and a grip surface. A second member has a blade disposed in spaced apart relation relative to the longitudinal axis and a grip surface. The grip surfaces are configured to be drawn together along the longitudinal axis such that the blades are engageable with tissue and connected with the grip surfaces such that the grip surfaces provide a tactile feedback of the tissue engagement. Systems and methods of use are disclosed.

Abstract: The present invention is directed at minimally invasive systems in which the proximal end portion of the working channel has either zero or a limited range of movement in the lateral direction. A first embodiment has a slidable collar attached to a pair of flanges, wherein movement of the collar is bounded by an annular frame. A second embodiment has a substantially spherical element attached to the tube. A third embodiment has a plurality of caps. A fourth embodiment is adapted for a larger working channel.

Abstract: A device for surgical assistance is disclosed. The device comprising one or more rails, and a plurality of side posts. The rails are configured to attach to a hand table via one or more engagement members. The plurality of the side post comprises an upper part and a lower part. The lower part of the said side post is engaged to the rails via a clamp mechanism. The upper part of the said side post is configured to hold surgical equipment. Further, each of the side post is height adjustable. The device further comprises a rail extension system, which is attached to an end portion of rails lying close to a trunk portion of the patient.

Abstract: A bone clamp for attachment to a bone includes a first lever and a second lever that are connected to each other by a connection, a sliding block, and a screw. The first lever has a first lever arm and a second lever arm, and the second lever has a third lever arm and a fourth lever arm, the second ends of which are configured to contact the bone. The sliding block is slidably attached to the first lever arm, the screw is pivotably mounted in the sliding block, the first lever arm includes a threaded surface for engaging with the screw mounted in the sliding block, and the sliding block includes a sliding surface on which the third lever arm slides such that the second ends of the levers approach each other when the sliding block moves along the first lever arm.

Abstract: A retractor assembly for positioning tissue during a surgical procedure, having two opposing arms disposed adjacent to one another and sized and configured to be urged substantially laterally away from one another during actuation of the retractor assembly into an open position, and one or more posts, each post being connected to, or integral with, and extending radially outwardly from a respective one of the opposing arms, each of the one or more posts having a length sufficient so that each of the one or more posts will extend through a respective aperture defined by a modular component to be detachably attached to the respective one of the opposing arms. Related methods of positioning tissue during surgery are also described.

Abstract: A medical device for keeping open of a wound during surgery is described. It comprises a surgical retractor, a mechanical retracting system a force element for automatically winding an elongate wire-like element to apply tension to the elongate wire-like element.

Abstract: The invention relates to a surgical retractor, particularly for the retraction of a separated sternum, with a holding device and two spreader arms, wherein the spreader arms are mounted with one end on the holding device, at a distance from each other that is adjustable in a spreading plane, and at least two retaining elements for retention of bone material, for example of the separated sternum, are arranged on each of the spreader arms. To develop this retractor for sternotomy in such a way as to permit gentler opening of the separated sternum, it is proposed that at least one of the retaining elements is mounted such that its position can be modified in the retraction direction with respect to that end of the spreader arm mounted on the holding device.

Abstract: A medical device of the present invention includes one or more anchors and an elongated member. Advantageously, the elongated member may be coupled to the anchors. The elongated member and anchors are configured to generate a force on a mesentery. The force is sufficient to retract a bowel of the patient into an upper portion of an abdominal cavity of the patient. When the patient is in a slightly angled position, the weight of the medical device pulls the mesentery into the upper abdomen. Since the bowel is connected to the mesentery, the device also indirectly pulls up the bowel. In some implementations of the device, a slight angle may be unnecessary. In others, the device may also inversely retract the mesentery and attached organs into the lower abdomen to facilitate surgical access to the upper abdomen. In some implementations of the device, a slight angle may be unnecessary.

Abstract: Disclosed herein is a retraction device for laparoscopy in which a trocar needle including latching grooves formed at the side of the lower end thereof is inserted into a trocar tube, both ends of which are opened, to form a laparoscopic platform, the laparoscopic platform pierces an abdominal wall and the trocar needle is pushed into an abdominal cavity so that the latching grooves are exposed to the outside of the trocar tube, sutures connected to tissue retractors retracting tissues are hung on the latching grooves, and then the trocar needle of the laparoscopic platform is drawn upwards so that the latching grooves are inserted back into the trocar tube to fix the tissue retractors to the laparoscopic platform. The retraction device for laparoscopy prevents the tissues from being unnecessarily damaged due to retraction and facilitates convenient retraction of the tissues without the help of assistant's two hands.

Abstract: A tissue grasping forceps and needle holder. A pair of movable arms are pivotably connected about a pivot connection, with each arm having a handle portion on one side and a working portion on the opposite side of the pivot connection. The working portions interengage when the handle portions are closed to a minimum spaced relation. The working portion has a clamp components and jaw component, with the clamp component comprising a plurality of synchronous teeth located to interlock when the handle portions are in the minimum spaced relation. The jaw component comprises a plurality of regularly spaced tines, with the tines being joined in pairs when the handle portions are in the minimum spaced relation with a gap between the tines, and an interstice between each spaced pair.

Abstract: Tissue fixation members interact with a housing to hold tissue relative to the housing and allow the orientation and position of the grasped tissue to be manipulated with improved efficacy. The tissue fixation members can be easily and quickly moved between deployed and retracted positions to reversibly grasp and release tissue.

Abstract: A surgical stay includes an elastomeric elongated member having a first closed end and a second end and a tissue retention member coupled to the first end thereof. The tissue retention member extends outwardly from the first end of the elongated member. A substantial portion of the length of the elongated member is hollow. The elongated member and the tissue retention member are integrally molded so that no openings are present therebetween.

Abstract: A multiple piece tongue blade is described. The multiple piece tongue blade is provided with a step and a tip. The stem is adapted to be inserted into a handle of a surgical retractor. The tip is adapted to be selectively attached to the stem. The tip is insertable into a mouth of a patient such that the tip applies pressure onto a tongue of the patient.

Abstract: A method for dissecting a myoma from a uterine wall includes inserting a myomectomy screw retractor into a surgical site, articulating a tool assembly positioned at a distal end of the myomectomy screw retractor such that a screw of the tool assembly is positioned adjacent to the myoma orthogonal to the uterine wall, rotating the screw of the tool assembly into the myoma until the screw is substantially engaged with the myoma, manipulating the myoma by pitching, rotating, and/or providing traction to the myoma to expose cutting planes, and dissecting the myoma from the uterine wall by cutting along the exposed cutting planes.

Abstract: An iris retractor made of two slender elements operatively coupled via a joining mechanism, wherein each slender element has an iris grabbing hook located at its distal end; and a handle located at the proximal end of the slender element, wherein the joining mechanism is configured to endow the iris refractor with at least two configuration: a refracted configuration and an expanded configuration, wherein the length of each slender element is between 4 mm to 14 mm.

Abstract: A vaginal speculum comprises upper and lower blades arranged to pivot relative to each other about coupling elements each associated with a respective blade. The upper blade is detachable from the lower blade, when the speculum is in situ in the vaginal cavity, upon pulling the upper blade generally proximally. This decouples the coupling elements from each other or detaches at least one of the coupling elements from the associated blade. The speculum has optional side blades.

Abstract: Presented is a device for use in a surgical procedure on an eye. The device includes an elongated member that includes a first elongated portion, a second elongated portion, and hook portion. The first elongated portion includes a proximal end and a distal end. The second elongated portion includes a proximal end and a distal end. The proximal end of the second elongated portion is coupled to the distal end of the first elongated portion. The second elongated portion extends from the first elongated portion at an angle to the longitudinal axis of the first elongated portion. The hook portion includes a proximal end and a distal end. The proximal end of the hook portion is coupled to the distal end of the second elongated member.

Abstract: A self-retaining retractor and surgical method of retracting integument at a surgical site comprising a medial arm moveably connected to a first end of an extension arm. The extension arm is connected to a lateral arm. The connection may be made after the medial arm is in the surgical site. The extension arm may be moved from an undeployed position to a deployed position. The medial arm or the lateral arm may include a surgical instrument holder, such as a holder for an endoscope. A locking mechanism may be used to lock the retractor in a deployed position. A strap may also be used to secure the retractor.

Abstract: A surgical retractor configured for use in surgical procedures to repair patient wrist distal radius bone fractures. The retractor includes an elongated handle portion, a wing portion coupled to the handle portion, and a hook portion at a working end of the retractor. The hook portion is configured to engage the radius bone of a surgical patient during a procedure. The wing portion is positioned intermediate the hook portion and the elongated handle portion and configured with a sufficient width to retract the patient's pronator quadratus muscle, while having a height such that the wing portion does not contact the median nerve of the surgical patient. A portion of the retractor above the wing portion is configured to contact the median nerve while being sufficiently narrow so as not put excessive pressure on the median nerve to cause nerve damage.

Abstract: A surgical retractor for retracting a surgical incision, the surgical retractor includes a handle for holding the surgical retractor in position has a front end and a tail portion. The surgical retractor also has a working part which has a front end and rear end, wherein the rear end is coupled to the tail portion of the handle, thereby making an acute angle between the handle and the working. The frontend of the working part has at least one peg present, wherein the peg configured to hold the skin flap and prevents sliding of the skin flap from the peg. The handle comprises a head portion with a circular bend for hooking surgical retractor to a patient screen.

Abstract: A cannula assembly having a plurality of outwardly-biased flexible fins capable of inward movement such that the fins converge upon insertion of a trocar device. The fin embodiment including a slot formed therein, with a corresponding raised feature on the trocar shaft capable of engaging the slots. Inward movement of the trocar within the cannula lumen causes the fins to converge. An additional embodiment utilizes outwardly-biased flexible fins that lock together in a closed position, with corrugated features in the fin inner surface that contact the trocar shaft such that, upon insertion of the trocar, the fins unlock and splay outward. One or more of the flexible fins also including one or more penetrations for accepting a biasing device for altering the biasing force of the fin.

Abstract: A retractor for manipulating an object, the retractor includes a retractor body with proximal and distal ends, a retraction device with a head connected at the distal end of the retractor body and flexible needles of a shape memory material having a memory shape, the memory shape of the needles including a portion with an arcuate shape housed, at least partially, within the head. The retractor further includes an actuation device connected to the proximal end of the retractor body and operatively connected to the needles, the actuation device, upon actuation thereof, moving the needles out of the head and withdrawing the needles into the head and a rotation joint allowing the distal end of the retractor body and the retraction device to rotate independent of the proximal end of the retractor body.

Abstract: Medical systems, devices and methods are provided for accessing a bodily opening that, among other things, are safe and reliable, and facilitate manipulation of a medical instrument. The medical access device generally includes an elongated flexible sheath and an expandable frame connected to the distal end of the flexible sheath. The sheath and expandable frame are operable between expanded and collapsed configurations to provide a pathway from a natural orifice to the bodily opening.

Abstract: Various universal ports for installation into a colon are disclosed. Some embodiments include means for permitting an anvil of a surgical stapler to pass through a port in a first direction and means for permitting a portion of the patient's colon to pass through the port in a second direction. Some embodiments also employ a flexible sleeve that may extend from the port out through the anus to provide a passageway for passing surgical instruments into and out of the rectum and also for removing severed specimens therefrom.

Abstract: A system for mini-invasive surgery in a body cavity that is easily positioned and hooked including at least one detachable surgical endoclamp (10), assembled with an introduction guide (20) and at an initially open position; and at a naturally closed position when detached from the introduction guide (20) by a detachment mechanism; the endoclamp (10) comprising a portion of ferromagnetic material; a cylindrically-shaped introduction guide (20) assembled with the detachable surgical endoclamp (10), the introduction guide (20) comprising a mechanism to detach the endoclamp (10); and at least one remote traction component (30) for the endoclamp (10), acting through the application of an electromagnetic field over the ferromagnetic portion of the endoclamp (10).

Abstract: A method of retracting and/or manipulating tissue is provided. The method includes providing access to a body cavity, providing a retractor including a elongated body portion, a needle formed on a proximal end of the elongated body portion and an anchor means formed on a distal end of the elongated body portion, directing the needle of the retractor through a section of tissue to be retracted, drawing the retractor though the tissue until the anchor means engages the tissue, and pulling the body portion of the retractor to manipulate the tissue.

Abstract: A surgical retention port particularly useful as an arthroscopic port for shoulder surgery is provided. The surgical retention port has an inner cannula defining a throughbore, a plurality of rotatable fingers coupled to the inner cannula, and an outer cannula extending around the inner cannula. Rotation of the inner cannula relative to the outer cannula causes the rotation of the fingers from a first position where the fingers assume a collapsed configuration to a second position where the fingers assume an extended or open configuration.

Abstract: A device (100) includes a shaft (108), a coil (120), and a suture (106). The coil has a sharp tip (126) and is releasably coupled to the shaft. The suture is coupled to the coil and extends through the shaft.

Abstract: A retractor includes a handle portion, a blade portion coupled to the handle portion. The blade portion is configured for insertion into an internal region of a patient. The blade portion includes a first portion configured to manipulate tissue of the patient. In an embodiment, a locator element is configured to highlight an external region of the patient to indicate to a user the location of the first portion in the internal region. In an embodiment, a signal-transmission medium is coupled to the blade portion and has a port. An overmolded camera unit has a lens and is configured to couple with the port. When the camera unit is coupled with the port, the lens is oriented to capture images of the internal region.

Abstract: A surgical retractor configured for use in surgical procedures to repair patient wrist distal radius bone fractures. The retractor includes an elongated handle portion, a wing portion coupled to the handle portion, and a hook portion at a working end of the retractor. The hook portion is configured to engage the radius bone of a surgical patient during a procedure. The wing portion is positioned intermediate the hook portion and the elongated handle portion and configured with a sufficient width to retract the patient's pronator quadratus muscle, while having a height such that the wing portion does not contact the median nerve of the surgical patient. A portion of the retractor above the wing portion is configured to contact the median nerve while being sufficiently narrow so as not put excessive pressure on the median nerve to cause nerve damage.

Abstract: A speculum having first and second arms beginning at a proximal point and ending at a distal end and having a cup positioned at the distal end, an attachment portion positioned on the first arm and proximal to the cup, and a user manipulation element positioned within the attachment portion. In another embodiment the speculum has a generally U-shaped frame having a proximal point and pair of distal ends, a pair of cups attached to the distal ends, a pair of user manipulation elements attached to the frame and positioned between the cups and the proximal point so that the user manipulation elements can rotate relative to the frame.

Abstract: Presented is a device for use in a surgical procedure on an eye. The device includes an elongated member that includes a first elongated portion, a second elongated portion, and hook portion. The first elongated portion includes a proximal end and a distal end. The second elongated portion includes a proximal end and a distal end. The proximal end of the second elongated portion is coupled to the distal end of the first elongated portion. The second elongated portion extends from the first elongated portion at an angle to the longitudinal axis of the first elongated portion. The hook portion includes a proximal end and a distal end. The proximal end of the hook portion is coupled to the distal end of the second elongated member.

Abstract: A tissue support device is provided for managing access through tissue. The tissue support device engages the tissue proximate an opening in the tissue and biases the tissue support device to bring the engaged tissue together.

Abstract: A medical retaining hook for holding tissue open during surgical interventions. One embodiment includes an exchangeable hook element of a polycarbonate or polymethylmethacrylate material. A light source is attachable to the hook element.

Abstract: A positionable surgical retractor comprises a retractor blade and a coupling element. The retractor has a first surface adapted to engage and retract tissue away from a surgical field. The coupling element is coupled to the retractor blade or disposed in a wall of the retractor, and may be coupled to an anchoring element. The retractor is positionable relative to the anchor so as to engage and retract the tissue.

Abstract: A self-retaining neural retraction clip, preferably having controlled retraction level and an off-set retraction means. This device can reduce operative site clutter to enhance disc access while providing consistent and stable dural retraction.

Abstract: The present invention is directed to a device including an inner cannula having one or more wings or leaflets attached to one end thereof. The wings or leaflets can be cut to length or shaped to facilitate holding the operative field open for optimal visualization and the use of surgical instruments. A shorter, outer cannula is fitted over the inner cannula and a flange attached to the outer cannula is moved from a closed position in which the wings are covered by the inner surface of the cannula or to an open, deployed position in which the wings are opened. The outer cannula may be textured or shaped to aid in holding the desired position. The device also includes a dam or barrier at the end or other convenient location in the inner cannula to control the flow of air or fluids in the cannula as to make it useful in arthroscopic or endoscopic surgery of all types.

Abstract: A spreader for aortic valve reconstruction having a dimensionally stable ring and three retractor arms comprising, respectively, a stem and a blade, with the blade being distally disposed on the stem, and wherein the retractor arms are disposed, offset relative to each other by respectively 120° in the direction of circumference of the ring, on said ring, and wherein the stems of the retractor arms are substantially aligned as perpendicular relative to the plane of the ring, and wherein the retractor arms are supported on the ring in such a way by the proximal end of their stems that they can be radially moved relative to each other toward the inside and radially expanded by the spring force of the ring.

Abstract: The present invention is directed to a device including an inner cannula having one or more wings or leaflets attached to one end thereof. The wings or leaflets can be cut to length or shaped to facilitate holding the operative field open for optimal visualization and the use of surgical instruments. A shorter, outer cannula is fitted over the inner cannula and a flange attached to the outer cannula is moved from a closed position in which the wings are covered by the inner surface of the cannula or to an open, deployed position in which the wings are opened. The outer cannula may be textured or shaped to aid in holding the desired position. The device also includes a dam or barrier at the end or other convenient location in the inner cannula to control the flow of air or fluids in the cannula as to make it useful in arthroscopic or endoscopic surgery of all types.

Abstract: Methods and devices are provided to allow the same component used to access a surgical site to assist in closing the surgical opening in which it was disposed. In one exemplary embodiment a flexible retractor is provided that includes proximal and distal ends and a lumen extending therethrough. A wound closure component is associated with the flexible retractor and is configured to engage tissue adjacent to a surgical incision in which the retractor is disposed and move tissue from one side of the surgical incision toward a second side of the surgical incision to assist in closing the surgical incision. In one embodiment the wound closure component includes strands of suture having hooks disposed on a distal end. In another embodiment the wound closure component includes a ring having hooks disposed around a circumference of the ring. Exemplary methods for closing a surgical opening are also provided.

Abstract: A surgical stay includes an elastomeric elongated member having a first closed end and a second end and a tissue retention member coupled to the first end thereof. The tissue retention member extends outwardly from the first end of the elongated member. A substantial portion of the length of the elongated member is hollow. The elongated member and the tissue retention member are integrally molded so that no openings are present therebetween.

Abstract: A surgical access system including a tissue distraction assembly and a tissue refraction assembly, both of which may be equipped with one or more electrodes for use in detecting the existence of (and optionally the distance and/or direction to) neural structures before, during, and after the establishment of an operative corridor to a surgical target site.

Abstract: A surgical retention port particularly useful as an arthroscopic port for shoulder surgery is provided. The surgical retention port has an inner cannula defining a throughbore, a plurality of rotatable fingers coupled to the inner cannula, and an outer cannula extending around the inner cannula. Rotation of the inner cannula relative to the outer cannula causes the rotation of the fingers from a first position where the fingers assume a collapsed configuration to a second position where the fingers assume an extended or open configuration.

Abstract: A retractor for manipulating an object includes a body having proximal and distal ends and a retraction device with a head connected to the distal end of the body, a connector movably disposed in the body, and flexible needles of a shape memory material having a memory shape. The needles are connected to the connector and each have a distal tip. The memory shape of the needles include a portion with an arcuate shape biasing the needles in a memory direction out and away from the head and toward the body to position the distal tip of each of the needles closer to the body when the needles are fully extended out of the head than when the needles are only partially extended out of the head. An actuation device is connected to the proximal end of the body and operatively connected to the connector through the body, the actuation device, upon actuation thereof, moves the connector to selectively extend the needles out of the head in different directions and withdraw the needles into the head.

Abstract: A cannula assembly having a plurality of outwardly-biased flexible fins capable of inward movement such that the fins converge upon insertion of a trocar device. The fins include a slot formed therein, with a corresponding raised feature on the trocar shaft capable of engaging the slots. Inward movement of the trocar within the cannula lumen causes the fins to converge. An additional embodiment utilizes outwardly-biased flexible fins that lock together in a closed position, with corrugated features in the fin inner surface that contact the trocar shaft such that, upon insertion of the trocar, the fins unlock and splay outward.

Abstract: A surgical retractor comprising an attachment stick, provided with a tip end, intended to be inserted and attached to hard human tissue, such as bone tissue or a vertebra, and at least one shank, attached to the stick, for supporting and keeping organs, muscles and/or tissues at a desired position. The invention is characterized in that said attachment stick has a general shape of a circular cylinder wherein at least one recess is arranged in the outer surface of the stick which recess extends from the tip end in an axial direction of the stick, wherein the recess has a concavely curved shape as seen in a radial cross section taken across the axial direction of the stick.