74 results about "Tissue clip" patented technology

Apparatus for reconfiguring tissue, the apparatus comprising a shaft having a distal end and a proximal end; at least one effector mechanism movably mounted to the distal end of the shaft, each effector mechanism comprising at least one gripping element for gripping tissue to that effector mechanism, the at least one effector mechanism being configured to capture the gripped tissue against said shaft, at least one actuating mechanism mounted to the proximal end of the shaft, and at least one connection mechanism connecting the at least one actuating mechanism to the at least one effector mechanism, whereby a user may utilize the at least one actuating mechanism to actuate the at least one effector mechanism so as to reconfigure tissue.

A tissue clipping apparatus, comprises a flexible, elongate member, a proximal end of which remains external to the body accessible to a user while a distal end of the flexible member is inserted into the body to a location adjacent to target tissue to be clipped and a control wire extending through the flexible member in combination with a capsule releasably coupled to a distal end of the flexible member and a clip a proximal portion of which is received within the capsule. A joint releasably coupling the clip to the control wire, includes a yoke extending around a proximal end of the clip and a frangible link which fails when subject to a predetermined force to separate the clip from the control wire.

The present invention relates to devices, and methods for using the devices, to create and secure a tissue fold during an endoluminal medical procedure. The devices and methods may be used for folding and securing, for example, a fundus wall onto an esophagus wall or esophageal tissue in the region of the lower esophageal sphincter (LES) to reduce the diameter of the esophagus opening in that region. One aspect of the invention includes forming the tissue fold by closing a grasping arm that is pivotably connected to an overtube that has been positioned at the juncture of the fundus wall and esophagus wall. A further aspect of the invention includes tissue clips configured to be inserted and positioned through an endoluminal device.

The present disclosure is directed to a tissue clip for use in electrosurgical procedures. The tissue clip includes an arm having a first electrode formed thereon. The tissue clip also includes a body pivotally coupled to the arm. The body includes a power source and a second electrode. The arm is moveable from a first position relative to the body for approximating tissue and a second position closer to the body for grasping tissue therebetween

The present invention relates to devices and methods for creating and securing a tissue fold during an endoluminal medical procedure. The devices and methods may be used for folding and securing, for example, a fundus wall onto an esophagus wall. An aspect of the invention includes a two-piece tissue clip configured to be installed through an endoluminal device to secure a tissue fold. The clip includes a female member and a male member configured to engage one another to secure the tissue fold. Another aspect of the invention includes a clipping device comprising a tissue clip magazine. The magazine is configured to hold a plurality of tissue clips and install the plurality of tissue clips in a single actuation of the magazine. A method for using the clipping device together with the tissue clips of the present invention to create and secure a fold of tissue during an endoluminal procedure also is disclosed.

A system for tissue apposition includes a delivery assembly having a tissue clip selectively secured thereto for the deployment and application of the tissue clip. The tissue clip is shaped and dimensioned for engaging spaced locations along a span of tissue and upon rotation thereof drawing the spaced locations together into apposition to thereby create a fold of tissue.

The present invention relates to devices and methods for creating and securing a tissue fold during an endoluminal medical procedure. The devices and methods may be used for folding and securing, for example, a fundus wall onto an esophagus wall. An aspect of the invention includes a two-piece tissue clip configured to be installed through an endoluminal device to secure a tissue fold. The clip includes a female member and a male member configured to engage one another to secure the tissue fold. Another aspect of the invention includes a clipping device comprising a tissue clip magazine. The magazine is configured to hold a plurality of tissue clips and install the plurality of tissue clips in a single actuation of the magazine. A method for using the clipping device together with the tissue clips of the present invention to create and secure a fold of tissue during an endoluminal procedure also is disclosed.

A tissue clipping apparatus, comprises a flexible, elongate member, a proximal end of which remains external to the body accessible to a user while a distal end of the flexible member is inserted into the body to a location adjacent to target tissue to be clipped and a control wire extending through the flexible member in combination with a capsule releasably coupled to a distal end of the flexible member and a clip a proximal portion of which is received within the capsule. A joint releasably coupling the clip to the control wire, includes a yoke extending around a proximal end of the clip and a frangible link which fails when subject to a predetermined force to separate the clip from the control wire.

A tissue clipping device includes a capsule extending from a proximal end to a distal end and including a lumen extending therethrough, a clip including at least three arms biased toward an open configuration and connected to one another at proximal ends thereof, the arms separated from one another circumferentially about a centerline of the clip and the proximal ends of the arms slidable within the lumen of the capsule to move the clip between the open configuration, in which distal ends of the arms are separated from one another to receive tissue therebetween and a closed configuration in which distal ends of the arms are moved toward one another to grip tissue in combination with a tension member releasably coupling the clip to a proximal end of the device which remains accessible to a user, to control movement of the clip between the open and the closed configurations.

A tissue clip for adjoining tissues including a body portion, a biasing mechanism interconnecting the body portion to a tissue grasping mechanism, the grasping mechanism having a first condition wherein the grasping mechanism is extending against and away from the body portion and a second condition wherein the grasping mechanism is biased against the body portion. A tissue clip and deployer combination. A method of interconnecting tissue by deploying the tissue clip, puncturing tissue to be interconnected with the tissue clip, and interconnecting the tissue. A method of treating an aneurism by deploying the tissue clip at an aneurism site, closing off the aneurism site with the tissue clip, and treating the aneurism. A method of imaging a surgical procedure with ultrasound by modifying a surface of a metal surgical instrument, and imaging the metal surgical instrument with ultrasound during a surgical procedure.

A tissue clipping apparatus comprises a clip including a proximal end received within a capsule. The clip includes a clip locking member biased to engage a first locking structure of the capsule to lock the clip in the capsule in a closed configuration. The apparatus also comprises a tension member releasably coupling the clip to a proximal end of the device which, during use, remains accessible to a user. The tension member is coupled to the clip by a joint designed to release when subject to a predetermined load to separate the clip from the device, release of the joint releasing the locking member to engage the first locking structure.

The invention provides a repeating clip applier capable of being provided with a tissue clip bin. The repeating clip applier capable of being provided with a tissue clip bin comprises a handle assembly, a tissue clip bin assembly, a propulsion adjusting assembly, a clip pushing assembly and a clip applying assembly. The tissue clip bin assembly comprises a tissue clip bin (20), a pressing spring (21), a spring cover plate (22), a plurality of tissue clips (23) and a tissue clamp bin cover plate (24) are arranged in the tissue clamp bin from top to bottom, wherein the tissue clips are stacked from top to bottom and in a natural stretching state. A tissue clip bin is needed to be loaded according to operation requirements before an operation, a fixed number of the tissue clips are arranged in each tissue clip bin, the tissue clips in the tissue clip bin are in a natural telescopic state, after the tissue clips in the tissue clip bin pushed into a forceps rod to be stored, the tissue clips can enter an endoscope channel, and repeating clip of the tissue clips in a process of closing the tissue or the blood vessel is realized.

A tissue handling apparatus is disclosed for receiving tissue clips and transferring the clips into positions suitable for insertion selectively into flat or cubic tissue cartons. The apparatus comprises a plurality of movable buckets for transferring clips for flat and cubic tissue cartons, the buckets having substantially flat bucket floors. A folding knife and transfer guide co-operate in bending clips for cubic cartons.

A system for compressing body tissue including a clip having first and second tissue contacting surfaces. The clip is movable from a closed position to an open position wherein the clip receives tissue between the first and second tissue contacting surfaces to compress tissue between the first and second tissue contacting surfaces. A clip deployment device has a first clip engagement member and a second clip engagement member engageable with the clip, the first and second clip engagement members movable between first and second positions to controllably move the clip from the closed position to the open position.

A duplex tissue clip is provided with two tissue clamps of a parallel structure; each tissue clamp comprises a V-shaped clamp body integratedly formed by a first arc-shaped clamp arm and a second arc-shaped clamp arm; free ends of each first arc-shaped clamp arm and the corresponding second arc-shaped clamp arm are respectively provided with a clamping hook and a clamping groove; a hinge structure is formed between each first arc-shaped clamp arm and the corresponding second arc-shaped clamp; each V-shaped clamp body is formed when the corresponding first arc-shaped clamp arm and the corresponding second arc-shaped clamp are in a free state; first projections are disposed at positions, close to the clamping hooks, of adjacent inner side surfaces of the first arc-shaped clamp arms; the first projections are connected at the adjacent side surfaces to form a first connecting rod for connecting the two tissue clamps; the two tissue clamps are provided with two clamping grooves corresponding to the clamping hooks; upward projection portions are disposed at adjacent inner side surfaces between the two clamping grooves, and the upward projection portions are connected to form a fourth connecting rod for connecting the two tissue clamps; and the third and fourth connecting rods are supporting ends of a clip applier.

A system for treating tissue includes a capsule including a channel extending therethrough; first and second clip arms each extending from a proximal end to a distal end, the proximal ends being received within the channel of a capsule to be moved between an open tissue receiving configuration; and a closed tissue clipping configuration. The first clip arm includes a first tissue retention feature at a distal portion thereof configured to pierce through a target tissue when in the tissue clipping configuration and subsequently release the target tissue when the clip arms are moved to an at least partially open configuration. The second clip arm includes a second tissue retention feature at a distal portion thereof configured to pierce and retain the target tissue thereon when in both the closed tissue clipping configuration and the open tissue receiving configuration.

A device for treating tissue includes a capsule defining a channel extending therethrough and clip arms. Each of the arms includes a proximal part releasably coupled to a distal part, a proximal portion of the distal part configured to be received within the channel of the capsule so that the arms move proximally and distally relative to the capsule between a tissue receiving configuration, in which distal ends of the arms are separated from one another, and a tissue clipping configuration, in which distal ends of the arms are moved toward one another. The proximal portion of each of the aims is configured to release from the corresponding distal part to lock the distal part of each of the aims over a portion of target tissue to be clipped while the proximal parts of the alms are removed from the body.

The object of the present invention is to disclose a disposable tissue retractor clip, which includes a pair of tissue clips, a tubular shell and a handle, the tubular shell is connected to the handle, and a control is arranged on the handle The tissue clip is a driving mechanism that moves back and forth in the tubular housing. A hook is connected to the front end of the driving mechanism. The hook can protrude out of the tubular housing and hook the tail end of the tissue clip. The chuck is in a clamped state under the action of its own elasticity; compared with the existing technology, it can effectively retract and fix human tissue without occupying the minimally invasive channel, and does not need to occupy the doctor's hands, reducing the minimally invasive channel quantity to reduce postoperative pain of patients, simple in structure, very convenient, and realize the purpose of the present invention.

The invention provides a clamping instrument which mainly comprises a base, an anchoring structure, a clamping structure and a combined structure, the clamping structure is connected with the base and can pivot relative to the base to form different clamping angles, the combined structure is connected with the anchoring structure and the base, the anchoring structure is used for anchoring target tissue, the clamping structure is used for clamping the target tissue anchored on the anchoring structure, and the composite structure is used for providing axial positioning and circumferential rotation of the anchoring structure relative to the base. Therefore, the clamping stability of the clamping instrument can be improved, and the tapping depth of the target tissue can be accurately controlled, so that stable and consistent connection force is maintained between the anchoring structure and the target tissue.

A system for treating tissue includes a capsule including a channel extending therethrough; first and second clip arms each extending from a proximal end to a distal end, the proximal ends being received within the channel of a capsule to be moved between an open tissue receiving configuration; and a closed tissue clipping configuration. The first clip arm includes a first tissue retention feature at a distal portion thereof configured to pierce through a target tissue when in the tissue clipping configuration and subsequently release the target tissue when the clip arms are moved to an at least partially open configuration. The second clip arm includes a second tissue retention feature at a distal portion thereof configured to pierce and retain the target tissue thereon when in both the closed tissue clipping configuration and the open tissue receiving configuration.

The invention relates to a box cover assembling device of an automatic tissue clamp assembling machine. The box cover assembling device is matched with the automatic tissue clamp assembling machine for use and is used for automatically assembling a tissue clamp into a tissue clamp loading box and automatically packaging a plastic box cover on the tissue clamp loading box. The box cover assemblingdevice of the automatic tissue clamp assembling machine comprises a sliding base, a box cover transferring cylinder, a fifth sliding block, an installation plate, an installation plate, a carrying cavity box, a push-out block, a push-out cylinder, a push-out cylinder installation plate, a second pen-shaped cylinder, a lifting cylinder, a second cylinder installation plate, a third guide rail, a third sliding block, a second limiting buffer base, a fourth guide rail, a second buffer block, a second buffer block base, a guide rail installation plate, a second stand column, a fourth sliding block, a lifting cylinder installation plate and a box cover optical fiber sensor detection mechanism; the box cover transferring cylinder is installed on the upper part of the installation plate; the installation plate is installed on the workbench; the fifth guide rail is installed on the installation plate; the sliding base passes through the fifth sliding block; the second guide rail installation plate is mounted on the workbench on one side of the box cover feeding device through the second stand column; and the fourth guide rail is installed on a second guide rail installation plate.

A tissue gripping device is formed from a shape-memory material, and has a base section, a first arm, and a second arm disposed opposite the first arm, each arm having a first end coupled to the base section and a free end extending from the base section. The arms of the tissue gripping device are configured to resiliently flex toward a relaxed configuration in a distal direction as the tissue gripping device is moved from a pre-deployed configuration toward a deployed configuration. The tissue gripping device is usable in a method for gripping tissue. The method includes positioning the tissue gripping device near target tissue and moving the tissue gripping device from a pre-deployed configuration toward a deployed configuration in order to grip the target tissue.

The invention discloses a simple tissue holder automatic clip applier, and belongs to the field of clip appliers. The automatic clip applier comprises a clip head control mechanism, a clip pushing control mechanism and a clip rod, the clip head control mechanism comprises a handle assembly, a clip head push rod, a push rod rack, a transmission gear and a clip storage clip head, and the clip pushing control mechanism comprises a clip pushing operation handle, a clip feeding push rod, a clip storage bin clip piece and a clip feeding push piece. The clamping closing action and the clip pushing action of the automatic clip applier are completed through two control actions, the clip storage head design is adopted to achieve the integrated design of the clip head and the clip storage bin, and the clip storage head moves back and forth to enable the clip storage head to stretch out and draw back in the clip rod to drive the two clip head arms to be opened or closed; the tissue holder in the clip storage head are synchronously and forwards conveyed by adopting the clip conveying push sheet; through cooperation of the clip head control mechanism and the clip pushing control mechanism, automatic operation of the clip applier is achieved, and the clip applier is simple and compact in structural design, stable and reliable in clip pushing and closing operation, flexible and convenient to use and low in manufacturing cost.

A system for treating tissue includes a clip assembly including a pair of clip arms. Proximal ends of the clip arms are slidably received within a channel of a capsule to be moved between a tissue receiving configuration and a tissue clipping configuration. The system also includes a catheter assembly including a control member extending therethrough. The control member includes a distal end connected to the clip arms to move the clip assembly between the receiving and clipping configurations. The system further includes a coupler releasably coupled to a proximal end of the capsule and configured to be coupled to the distal end of the catheter assembly. The coupler fractures when a proximal force exerted on the coupler via the control member exceeds a first predetermined threshold value to disengage the capsule and deploy the clip assembly.

An apparatus for endoscopic clipping of a surgery site comprising: a clip deployment mechanism operatively coupled to an actuator via a hollow elongate enclosure; wherein the clip deployment mechanism houses a plurality of surgical clips exterior to the enclosure; and wherein, in response to the actuator, the clip deployment mechanism sequentially deploys the surgical clips to the surgery site.

The invention relates to a surgical clip for minimally invasive surgery and to a device for clamping organic tissue, consisting of a first clamping bar corresponding with a second clamping bar, wherein the first clamping bar and the second clamping bar each have, at both sides on their base, shoulders for guiding them into a cartridge, and one clamping bar has a continuous retaining bore into which, in order to clamp the organic tissue, a retaining pin provided on the other clamping bar engages with a force fit and form fit, the first clamping bar (1) is mounted by means of clamp pressing in a cartridge (11), and the second clamping bar (2) with the continuous retaining bore (3) has, at its lower end, an arm (5) which, upon joining to the first clamping bar (1), slides with a form fit under the shorter first clamping bar (1) with the retaining pin (4), thus clamping the organic tissue, or the first clamping bar (1) with the retaining pin (4) at its lower end has the arm (5) which, upon joining to the second clamping bar (2), slides with a form fit under the shorter second clamping bar (2) with the retaining bore (3), thus clamping the organic tissue, or the second clamping bar (2), which has both the retaining pin (4) and also the arm (5), upon joining to the first clamping bar slides with a form fit under the shorter first clamping bar (1) with the retaining bore (3), thus clamping the organic tissue, and a tissue clip is thus given considerable additional stability. This new possibility of applying clips rules out incorrect positioning of the clip and the serious consequences thereof for the patient. The tissue clip, with its high degree of closure safety, is a tissue clip particularly suitable for minimally invasive surgery, since application of the clip takes place in each phase with an unrestricted view of the operating site and, as a result, incorrect positioning of the clip is ruled out and a very high degree of safety for patient and physician is achieved.

The invention discloses a tissue clamping device with a locking mechanism. The tissue clamping device comprises a clamp body, a first connecting piece, a second connecting piece and the locking mechanism. Wherein the clamp main body is connected between the first connecting piece and the second connecting piece, and the clamp main body can be driven to be opened or closed by the relative movementof the first connecting piece and the second connecting piece; the locking mechanism comprises a locking pipe, one end of the locking pipe is fixedly connected with the second connecting piece, a locking fin is arranged on the outer wall of the locking pipe, and the locking fin can limit the opening of the clamp main body.

Provided is a tissue clip capable of continuously releasing and clamping. The clip is characterized in that the tissue clip is cut by laser cutting in one time, and the tissue clip finally shapes through heat treatment and polishing and other processes. The clip has good clamping force and superelasticity. The tissue clip comprises a tissue clamp, a limiting ring, and a conveying system. After thetissue clamp clamps a tissue, the tissue clamp can be freely disconnected with a subsequent tissue clamp, and the disconnected tissue clamp would not separate from a tissue. The tissue clip is made of nickel titanium tubing, and has memory and superelasticity.