377 results about "Clip forceps" patented technology

A clipping system for treating tissue including an adapter, a clip, an extending member and a control wire. The adapter couplable to an insertion device via steering members. The steering members extend alongside the insertion device and connect to the adapter to steer the adapter between a first position and a second position. The clip mounted over the adapter. The clip includes first and second jaws connected to one another and movable between an insertion configuration and an initial deployed configuration. The extending member slidably received within one of the steering members. The control wire slidably received within the extending member and extends through the first jaw such that simultaneous longitudinal movement of the control wire and the extending member relative to the adapter moves the clip between the insertion configuration, the initial deployed configuration, and a review configuration in which the clip is separated from the adapter.

A device for treating tissue includes a capsule extending longitudinally from a proximal end to a distal end and including a channel extending therethrough, the capsule releasably coupled to a proximal portion of the device and clip jaws, proximal ends of which are slidably received within the channel of the capsule so that the clip jaws are movable between an open configuration and a closed configuration. Clip jaws are configured so that a distance between the distal ends of the clip jaws in an open configuration is between 15 and 18 millimeters. Clip jaws further include barbs extending from a distal portion thereof.

Hose clamp pliers include a first plier half, a second plier half, and a pivot member. An inner face of the first jaw portion includes a first longitudinal groove and a second longitudinal groove. Each of the first and second longitudinal grooves include a first section extending from a front end of the first jaw portion and a second section extending at an angle from the first section in a direction away from the second jaw portion. An inner face of the second jaw portion includes a third longitudinal groove and a fourth longitudinal groove. Each of the third and fourth longitudinal grooves include a first section extending from a front end of the second jaw portion and a second section extending at an angle from the first section in a direction away from the first jaw portion.

A spinous process clamp can include opposing arms, opposing gripping components, an adjustable spacing arrangement, and a coupling component. Each arm can have a top distal end, a midsection, and a bottom distal end. Each gripping component can be located proximate the bottom distal end of an arm and can be configured to grip a side of a spinous process. The arms can be pivotally coupled about their midsections to adjust the distance between the gripping components. The adjustable spacing arrangement can be coupled to the arms proximate their top distal ends and can be configured to adjust and maintain a pivoted position of the arms. The coupling component can be coupled to the top distal end of and arm and can be configured to rotationally couple the spinous process clamp to a separate surgical component, which can be a surgical fiducial marker positioner.

The clip applier comprises a clip bin, an end actuator, a clip feeding mechanism, a firing mechanism and a stop mechanism. The stopping mechanism is provided with a first stopping part. The firing mechanism is provided with a limiting part, and the motion of the firing mechanism comprises driving motion and resetting motion. The clip applier has a first state and a second state. When the percussion mechanism is matched with the clip feeding mechanism, the clip applier is in a first state, and the percussion mechanism drives the clip feeding mechanism to move so as to feed the clip in the clip bin into the end actuator and drive the end actuator to be closed in response to the driving movement of the percussion mechanism in the first state. After the clip feeding mechanism is reset, the firing mechanism performs reset movement until the limiting part crosses the first stop part, and before the firing mechanism is matched with the clip feeding mechanism again, the clip applier is in a second state. And in response to the driving movement of the firing mechanism in the second state, the limiting part is kept abutting against the first stopping part to limit the driving movement of the firing mechanism in the second state, so that the firing mechanism can smoothly drive the clamp to move into the end executor through the driving movement, the internal disorder of the clip applier is avoided, and the stable operation of the clip applier is ensured.

The utility model discloses a quick release mechanism for rod forceps and bipolar electrocoagulation forceps, and belongs to the technical field of electrosurgical operating instruments. According to the quick release mechanism for the rod forceps, an actuator assembly is arranged at the tail end of a rod assembly, the actuator assembly comprises a clamp at least used for making contact with tissue, a rotary knob is arranged at the other tail end, away from the actuator assembly, of the rod assembly in a sleeved mode, a quick release assembly is connected into the rotary knob, and the quick release assembly comprises an excitation piece and a locking base. The rod assembly is at least partially inserted into the locking seat, the excitation part can slide relative to the locking seat, so that the excitation part has an unlocking state and a locking state, when the excitation part is in the locking state, the rod assembly and the excitation part are in locking fit, and the knob can drive the rod assembly to rotate; when the excitation piece is in the unlocking state, the rod assembly can be detached from the locking base, the detaching process is more convenient and faster, and operation is easy.

Provided in the present disclosure is a laparoscopic surgical instrument having a detachable forceps head. The laparoscopic surgical instrument comprises: a forceps head assembly, which comprises a forceps head, a fixed base, a deflection base, a deflection sliding block, a connecting rod and a forceps base, wherein the forceps head is mounted on the forceps base, the deflection base is detachably connected to the forceps base, two ends of the connecting rod are rotationally connected to the deflection base and the deflection sliding block by means of rotating shafts, the deflection base is rotationally connected to the fixed base, the deflection sliding block is slidably arranged in a slot in the fixed base, and the sliding of the deflection sliding block in the slot is transmitted by means of the connecting rod to control the deflection base to rotate around the fixed base, thereby driving the forceps head to deflect; an instrument shaft, the fixed base being fixed at one end of the instrument shaft; a push rod, which is arranged in the instrument shaft, has one end fixed to the deflection sliding block, and can slide relative to the instrument shaft; an opening and closing driving rod, which is arranged in the push rod, has one end connected to the forceps head, can slide relative to the push rod, and is driven by an acting force in the direction of length of the opening and closing driving rod to control the opening and closing of the forceps head; and a control mechanism detachably connected to the opening and closing driving rod.

A clamp includes a band and a tensioner. The tensioner includes a fixed mount coupled to the band, a screw housing engaged with the fixed mount, and a screw received in the screw housing. The screw housing and the screw can move relative to the fixed mount between an engaged position and a disengaged position. When a portion of the band including a plurality of slots is positioned between the fixed mount and the screw housing, a thread of the screw is received in the plurality of slots when the screw housing and the screw are in the engaged position but is spaced apart from the plurality of slots when the screw housing and the screw are in the disengaged position.

A clipping device includes a clip including a capsule and a pair of clip arms movable between an open configuration and a closed configuration. A tension member includes a distal portion and a proximal portion, a pair of protrusions extending from opposing surfaces of the proximal portion to be received within openings extending through proximal ends of the clip arms, the proximal portion including a relief to define a pair of fingers separated from one another at proximal ends thereof. A yoke including a central portion including a recess formed at a distal end thereof, the recess sized and shaped to releasably receive the pair of fingers of the tension member, the pair of fingers configured to flex toward one another when a predetermined force is exerted thereon to release the pair of fingers from the recess and disengage the tension member from the yoke during deployment of the clip.

The application discloses a clip applier, comprising a transmission mechanism and an actuating member; the actuating member is used for providing power for the transmission mechanism; the transmission mechanism comprises a clip feeding driving mechanism, a jaw driving mechanism and a switching mechanism; the switching mechanism is used for selectively driving the clip feeding driving mechanism or the jaw driving mechanism; the transmission mechanism comprises a first state and a second state; in the first state, the switching mechanism is separated from the jaw driving mechanism and combined with the clip feeding driving mechanism to drive the clip feeding driving mechanism to move; in the second state, the switching mechanism is separated from the clip feeding driving mechanism and combined with the jaw driving mechanism to drive the jaw driving mechanism to move. The clip applier of the application has simple and compact switching mechanism structure, requires less energy consumption for driving the switching mechanism and increases the experience of user operation.

A hose clamp pliers for use with both a wire spring hose clamp and a band spring hose clamp is disclosed. Two arms of the hose clamp pliers each rotatably carry contact points of different configurations. The first contact point is designed to receive, in a first position, an end portion of a wire spring clamp through a notch; and in a second position, to receive a hoop-shaped end of a band spring clamp. The second contact point is configured to receive both an end portion of a wire spring clamp, and a tab-shaped end of a band spring clamp. The hose clamp pliers is provided with a thumb release cooperating with a ratcheting pawl to control opening and closing of the pliers arms, which opens and closes the hose clamp.

The utility model relates to the technical field of artery clamps, and provides an aneurysm clamp for neurosurgery, which comprises a clamp main body, the clamp main body comprises a first clamp and a second clamp, lock catch rods are arranged at the same parts of the first clamp and the second clamp, and the first clamp and the second clamp are jointly connected with a spring. According to the aneurysm clamp, due to the arrangement of the buckle and the clamping piece, when a person uses the aneurysm clamp, the clamping piece clamped on the buckle on one side of the first clamp is replaced, the clamping piece is clamped on the buckle on one side of the second clamp, and therefore the aneurysm clamp can be used conveniently. The buckle connecting piece is clamped and fixed according to the buckle groove of the gap between the inclined pieces, and the buckle is extruded through the gap between the connecting piece and the inclined pieces, so that when the first forceps and the second forceps are used for clamping the aneurysm, the first clamping piece and the second clamping piece can be replaced according to the requirement of an operation; therefore, the problems generated in the operation process are solved.

1. The name of this design product: Continuous Clip Applicator (Purple). 2. Purpose of the product with this appearance design: The product with this appearance design is used in medical surgery to clamp and close blood vessels to achieve the purpose of hemostasis. The cavity of the continuous clip applier is used to load multiple closing clips, which are used in sequence to close blood vessels. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

This utility model relates to a stable ligation clip, including an upper clamping arm, a lower clamping arm, and a hinge. The rear ends of the upper and lower clamping arms are hinged together, and the front of both the upper and lower clamping arms is provided with a positioning post for cooperating with the clamping forceps. The front ends of the upper and lower clamping arms are also provided with a locking structure that cooperates with each other. The clamping surfaces of the upper and lower clamping arms are provided with several anti-slip textures. The rear side of the hinge is provided with a first structure to improve stable contact with the pushing plate of the clamping forceps. The addition of a first structure that can stably contact the pushing plate on the continuous-fire clamping forceps, while retaining the original ligation clip structure design, makes it compatible with both continuous-fire clamping forceps and currently available single-fire clamping forceps. Moreover, the clamping is stable and the operating principle is the same, so doctors do not need to readjust.

The present invention relates to the field of medical device technology, and specifically to a manipulator system based on a toggle lever locking, comprising a clamping mechanism, a bending adjustment mechanism, a direction-changing mechanism, a handle mechanism installed on one side, and a toggle locking mechanism provided on the handle mechanism, wherein the clamping mechanism comprises a clamp head and a drive wire, the bending adjustment mechanism comprises a bending assembly and a traction wire provided through the bending assembly, the handle mechanism comprises a handle shell, a bending adjustment cover, a bending adjustment ball, a connecting rod fixedly connected to the bending adjustment ball, a connecting block provided on the connecting rod, and a control handle, and the toggle locking mechanism comprises a central shaft sleeve rotatably mounted on the connecting rod, a toggle lever fixedly connected to the central shaft sleeve, a matching block, a follower lever rotatably connected to the matching block, and a clamping arm. The present invention quickly performs locking and unlocking operations by adjusting the position of the toggle lever, and the operation method is simple and intuitive, thereby ensuring the safety and success rate of the operation.

A hose clamp pliers for use with both a wire spring hose clamp and a band spring hose clamp is disclosed. Two arms of the hose clamp pliers each rotatably carry contact points of different configurations. The first contact point is designed to receive, in a first position, an end portion of a wire spring clamp through a notch; and in a second position, to receive a hoop-shaped end of a band spring clamp. The second contact point is configured to receive both an end portion of a wire spring clamp, and a tab-shaped end of a band spring clamp. The hose clamp pliers is provided with a thumb release cooperating with a ratcheting pawl to control opening and closing of the pliers arms, which opens and closes the hose clamp.

A three-dimensional curved surface forming method comprises the steps that stretch-forming machine stretching cylinders arranged on the two sides of the mold stretch-forming direction of a three-dimensional curved surface forming tool and stretch-forming machine stretching cylinder clamps capable of rotating around a shaft in a segmented mode move together so that bending and stretching motion loads can be applied to the two ends of a plate laid on a mold, and therefore the plate can be attached to the mold in a segmented mode; the x-direction contour section line with the largest chord height of the mold serves as a control contour section line, then stretch-forming area segmentation division is conducted on the control contour section line according to the curvature and arc length changes of the control contour section line, dispersion of the elongation of each stretch-forming area is achieved, and finally stretching is conducted according to the stretch-forming elongation of each stretch-forming area, so that the stretch-forming area is obtained. And a three-dimensional curved surface with high appearance precision is further obtained. Segmented stretch forming is provided, the elasticity and plastic deformation uniformity in the stretch forming range of each section is effectively improved, deformation uniformity of overall stretch forming is achieved, and the stretch forming precision and the stretch forming efficiency of the stretch forming process are comprehensively improved by dividing the stretch forming areas.

The present disclosure belongs to the technical field of nuclear power and particularly relates to a plug automatic clamping device and a pipe plugging device. The present disclosure can carry a certain number of plugs through the mutual cooperation between the support, the air cylinder, the pneumatic clamp, the plurality of clamping claws, the plurality of plugs and the storage pipe. After the installation of one plug, the plug can be automatically clamped in situ, so that the next pipe plugging operation can be carried out nearby, the lifting vehicle is prevented from repeatedly moving between the pipe plugging position and the manifold opening due to the replacement of the plug, and the pipe plugging operation efficiency is improved.

The utility model discloses a surgical clip applier, which comprises a detachable clip head, a clip rod, a handle part, a driving piece and a connecting piece, wherein the connecting piece is sleeved in the clip rod and is used for detachably connecting the driving piece and the clip head; the connecting piece is detachably connected with the tong head and the driving piece. The connecting piece comprises a push rod sleeving the forceps rod, a push rod joint arranged at the front end of the push rod and connected with the forceps head, and a forceps rod joint arranged at the rear end of the push rod and connected with the driving piece; the forceps rod is connected with the handle part through the rotating wheel; the driving piece comprises a threaded rod and a threaded rod seat arranged at the tail end of the threaded rod; the front end of the threaded rod is detachably connected with the forceps rod connector through the forceps rod connecting sleeve. The pair of forceps has the advantages that the forceps heads are convenient to disassemble and replace, and the use cost is relatively low.

The application discloses a clamp removing forceps and a jaw thereof, which is used for untying a ligature clamp, the ligature clamp comprising a first clamp arm and a second clamp arm connected by a rotating hinge, the first clamp arm being provided with a first protruding column, and the second clamp arm being provided with a second protruding column; the jaw comprising an upper jaw blade, a lower jaw blade and a pushing piece, the upper jaw blade and the lower jaw blade being openable and closable, the upper jaw blade and the lower jaw blade being respectively provided with a limiting groove and a limiting table, the limiting groove being used for positioning the first clamp arm and the second clamp arm when the ligature clamp is closed, and the pushing piece being used for pushing the ligature clamp when the ligature clamp is opened and for clamping the first protruding column and the second protruding column into the limiting table of the upper jaw blade and the limiting table of the lower jaw blade respectively. The jaw of the clamp removing forceps is provided with the limiting table and the limiting groove in the jaw blade, and the pushing piece is used for assisting, so that the operation difficulty and the damage risk of the ligature clamp are reduced.

The utility model provides a large-jaw clamp structure which is a clamp and comprises a first grab handle, a shaft rod, a limiting clamp piece, a movable clamp piece, an elastic piece, a second grab handle, an unlocking piece, a connecting rod piece and a screw rod. A shaft penetrating hole is formed in the side wall of the supporting head of the first grab handle; the shaft rod penetrates through the shaft penetrating hole; the assembly part of the limiting clamp piece is attached to and assembled on the shaft rod outside the side wall, and a limiting clamp arm extends and is provided with a first chuck; a movable plier head part of the movable plier piece is arranged on the other side of the side wall, one end of the movable plier head part extends to form a movable plier arm which is provided with a second chuck, and the other end of the movable plier head part is provided with a pivoting part pivoted with the supporting head part and a first pivoting head pivoted with the second grab handle; according to the overall structure, the size of the jaw of the clamp is adjusted within the length range of the shaft rod, and the clamping and locking capacity range of the clamp on a target workpiece can be remarkably widened.

According to the clip applier, driving is achieved between the clip feeding mechanism and the moving assembly through the third matching part and the fourth matching part, the fourth matching part comprises the elastic arm capable of generating elastic deformation and the clutch part connected to the elastic arm, the clip applier is simple in structure and convenient to manufacture, and when the stop piece starts to move towards the far side from the disengaging position, the stop piece can move towards the far side from the disengaging position. The stop piece is only subjected to driving force provided by the moving assembly, and the clutch part can abut against the matching structure, so that the moving assembly and the feeding and clamping mechanism move together; when the stopping piece reaches the restraining position, the stopping piece is limited by the clamp arms to stop moving, the feeding and clamping mechanism still continues to move towards the far side, and the matching structure pushes the clutch part which cannot continue to move towards the far side towards the far side, so that the elastic arm deforms in the direction away from the feeding and clamping mechanism till the clutch part is disengaged from the matching structure. The moving stroke of the feeding and clamping mechanism and the moving stroke of the stopping piece can be set to be different in length so as to meet different moving requirements of the feeding and clamping mechanism and the stopping piece.

Embodiments of the present disclosure provide a clip apparatus. The clip apparatus may include a conveying device and a plurality of clip devices. The conveying device may include a sheath pipe provided with a passage. The plurality of clip devices are provided outside of the passage of the sheath pipe. The plurality of clip devices are releasably connected in sequence, and each of the plurality of clip devices is configured to clip tissue.

A multiple-firing clip device includes a hollow shaft defining a lateral opening communicating with an environment and a distal shaft portion between the lateral opening and a distal end opening. A shuttle longitudinally moves on the shaft and comprises a shuttle body defining a lumen surrounding the shaft, a snare, and a snare-extender slide defining a snare track to form a snare travel path in which the snare is disposed from the body and through the track and a portion of the body. The slide moves along a given extent defining a slide distance and a distal end and movement of the slide to the distal end shortens the snare travel path to extend the snare portion through the lateral opening, through the distal shaft portion, and distally out from a distal side of the body longer than the given extent to secure a suture with the snare.

A surgical clip applier and methods for applying surgical clips to a vessel, duct, shunt, etc., during a surgical procedure are provided. In one exemplary embodiment, a surgical clip applier is provided having a housing with a trigger movably coupled thereto and a shaft extending therefrom with opposed jaws formed on a distal end thereof. The trigger is adapted to advance a clip to position the clip between the jaws, and to move the jaws from an open position to a closed position to crimp the clip positioned therebetween. The surgical clip applier can include a variety of features to facilitate use of the device, including features to prevent misalignment of the jaws and clip therebetween, features to protect the jaws, and features to ensure proper closure of the jaws and clip therebetween.

The utility model discloses a pipeline detection clamp device, including first casing and second casing, first casing and second casing have handle part and the jaw part of semicircle respectively, just the jaw part in -house of first casing and second casing is provided with the iron core respectively, and first casing and second casing are connected through rotating component, rotating component includes fixed shaft and sleeve, fixed shaft is fixedly connected with first casing, and sleeve is fixedly connected with second casing, and rotates and is sleeved in fixed shaft, and the top of fixed shaft is slidably inserted with the limiting rod, the top of sleeve is provided with the mounting block, and the bottom of mounting block is provided with the limiting slot that cooperates with limiting rod, and the inner top wall of limiting slot is slidably provided with the pressure rod, through above -mentioned setting, can avoid the jaw part of first casing to separate the jaw part of second casing's situation in the process of long -term use of this device, and simple operation has improved the work efficiency when detecting.

The present application relates to a kind of pipe string manipulator clamp device capable of only grabbing single tubular column, belong to the tubular column automatic technology field of oil and gas drilling equipment.The clamp device is by increasing the main finger driving hydraulic cylinder piston guide mechanism, lateral load is borne by guide mechanism, avoid the radial load that main finger driving hydraulic cylinder piston rod is subjected to, improve the service life of main finger driving hydraulic cylinder and the security of clamp device operation;Increase the pipe blocking mechanism driven by connecting rod assembly in the clamp device, when main finger driving hydraulic cylinder is contracted to the shortest, the maximum size of jaw depth space, can realize the clamp device holding maximum diameter pipe column, when main finger driving hydraulic cylinder is stretched to the longest, the minimum size of jaw depth space, can realize the clamp device holding minimum diameter pipe column, realize the same clamp can hold pipe column of different diameter function, ensure that the clamp cannot simultaneously hold the condition of two pipe columns, realize the purpose of fully automated mechanical hand pipe string operation.

Holding arm (1-3) of a wound spreading device stably fixed to an operating table, with a fastening end (5) for adjustable arrangement in a holding device and with arm sections (6-14) for arranging holding clamps of wound spreading tools, wherein the holding arm (1-3) is rigidly arranged in a wound spreading device fixed to the operating table and is in each section bent and straightened,the straight sections serve as arm sections (6-14) for arranging retaining clips, and the retaining arm (1-3) is equipped with at least one rigid clamping device (21-25) for clamping a silicone strap of a disposable wound retractor, and conventional retaining clips and disposable wound retractors can be used alternatively or together side by side on it, and the clamping device (21-25) is arranged in the area of ​​the arm sections (6-14) for arranging the retaining clips and / or curved connecting sections (27-34) are arranged between the straight arm sections (6-14), and the clamping device (21-25) is arranged in a connecting section (27-34) between the arm sections (6-14), and a transverse slot of a clamping device (21-24) provided in the retaining arm (1-3) has a clamping area in the base of the slot for a silicone strap of a disposable wound retractor, which is radially covered by a projecting protective flap (40). is.,

A clip instrument may include a clip arm and a locking part. The clip arm may include at least two clips for clamping at least one tissue and at least two extending parts releasably connected to the at least two clips, respectively. The clip arm has an open state and a closed state, wherein the at least two clips are spaced apart from each other when the clip arm is in the open state to form a space for clamping the at least one tissue, and the at least two clips are close to each other when the clip arm is in the closed state. The locking part may be configured to lock two clips of the at least two clips when a distance between the two clips is less than a preset distance.