945results about "Nails" patented technology

The present disclosure provides a staple cartridge for a surgical instrument having a staple and a staple pusher. The staple pusher has a recess forming a pocket in its top surface for receiving at least the backspan of the staple. The pocket is at least partially surrounded by a circumferential supporting element in the staple pusher body to support the backspan. The pocket provides additional vertical space and support for the staple such that a smaller staple cartridge may provide a substantially similar performance as conventional staple cartridges, allowing for a more compact and maneuverable surgical instrument. In addition, the pocket in the staple pusher allows for a staple having a larger bend radius than conventional staples, thereby providing additional support for the staple and minimizing malformation of the staple during use.

Systems and subsystems for closing an end effector of a stapler are disclosed. More specifically, the present disclosure relates to systems, devices, and subsystems for attachments for robotic surgeries. The surgical instrument is a robotic attachment. The surgical instrument includes a closure subsystem that moves independently of other subsystems that are operable independently of each other.

A surgical staple is provided having a bridge and at least a first leg and a second leg. The bridge has a first end and a second end. The surgical staple has a first extension of the bridge adjacent the first end of the bridge and extending on an opposite side of the first leg relative to the second leg and a second extension of the bridge adjacent the second end of the bridge and extending on an opposite side of the second leg relative to the first leg. The bridge may also have a waisted or reduced width mid-section.

The present disclosure provides a staple cartridge for a surgical instrument having a staple and a staple pusher. The staple pusher has a recess forming a pocket in its top surface for receiving at least the backspan of the staple. The pocket is at least partially surrounded by a circumferential 5 supporting element in the staple pusher body to support the backspan. The pocket provides additional vertical space and support for the staple such that a smaller staple cartridge may provide a substantially similar performance as conventional staple cartridges, allowing for a more compact and maneuverable surgical instrument. In addition, the pocket in the staple pusher allows for a staple having a larger bend radius than conventional staples, thereby providing additional support 10 for the staple and minimizing malformation of the staple during use.

An introducer sheath is described. The introducer sheath may include a tubular body. The tubular body may extend from a distal end toward a proximal end. The tubular body may include a lumen. The lumen may at least partially be defined by a wall. A channel may be disposed within the wall. The channel may be configured to receive a guidewire. The tubular body may include an expandable portion expandable to increase a cross-sectional area of the lumen.

The invention relates to a device for use in the transcatheter treatment of mitral valve regurgitation, specifically a coaptation assistance devices for implantation across the valve; a system including the coaptation enhancement element and anchors for implantation; a system including the coaptation enhancement element, and one or more of the following: transseptal sheath, anchor delivery catheter, implant delivery catheter, and clip delivery catheter; and methods for transcatheter implantation of a coaptation element across a heart valve.

The invention relates to a device for use in the transcatheter treatment of mitral valve regurgitation, specifically a coaptation assistance element for implantation across the valve; a system including the coaptation assistance element and anchors for implantation; a system including the coaptation assistance element and delivery catheter; and a method for transcatheter implantation of a coaptation element across a heart valve.

The invention relates to a device for use in the transcatheter treatment of mitral valve regurgitation, specifically a coaptation assistance element for implantation across the valve; a system including the coaptation assistance element and anchors for implantation; a system including the coaptation assistance element and delivery catheter; and a method for transcatheter implantation of a coaptation element across a heart valve.

Apparatus and methods are provided for closing a tubular structure within a patient's body. The apparatus includes a needle including a proximal end including a hub, a distal end including a sharpened distal tip, a lumen having an oblong cross-section extending proximally from the distal end, and defining a longitudinal axis between the proximal and distal ends, and a clip deliverable from the lumen. The clip is compressible between a relaxed state in which a plurality of tines of the clip are shaped to engage and close a tubular structure within a patient's body, and a stressed state in which the tines are compressed to allow the clip to be loaded into the. The apparatus may also include a pusher member for deploying the clip from the distal tip of the needle such that the tines engage and close a tubular structure through which the tubular member is directed.

The invention discloses a high-performance zinc alloy with a gradient structure and a preparation method and application thereof, and belongs to the technical field of metal material processing. The high-performance zinc alloy with the gradient structure is characterized in that the grain sizes of upper, middle and lower areas of the alloy are in fine-coarse-fine distribution, the grain sizes of the upper and lower areas are smaller than or equal to 2 microns, the grain size of the central area is 5-20 microns, and the grain size of a transition area between the upper and lower areas and the central area is 2-15 microns; meanwhile, all the areas are accompanied with MnZn13 nano precipitated phases with the size smaller than or equal to 50 nm. The alloy shows excellent deformation resistance and thermal mechanical stability, the elasticity modulus of the alloy can at least reach 125 GPa, meanwhile, the alloy shows excellent corrosion resistance, and the alloy is particularly suitable for biomedical implantation instruments such as intravascular stents and bone nails.

Prosthetic ring valve assemblies are disclosed. A prosthetic valve ring assembly includes an outer tube and a plurality of anchors. The outer tube includes a plurality of windows. The plurality of anchors are positioned inside the outer tube and about a perimeter of the outer tube. The plurality of anchors are configured to be emitted from the plurality of windows in order to anchor the prosthetic valve ring assembly to annulus tissue of a patient.

A staple cartridge including: a cartridge body; a staple pocket in the cartridge body, the staple pocket having an opening and containing an unformed staple including a first leg and a second leg, the staple pocket containing the first leg and the second leg of the unformed staple in an unfired position; and two or more guide surfaces in the staple pocket disposed adjacent the opening, wherein the guide surfaces are configured to deform the first leg of the unformed staple as the first leg exits the staple pocket at the opening during a firing of the unformed staple.

The present invention introduces a medical stapler configured for efficient wound and incision closure with cosmetically appealing end result, Utilizing a four-legged staple and a single-track dispensing mechanism. The medical stapler enables rapid deployment of staples in a vertical mattress suture fashion, facilitating optimal tissue approximation without the requirement of suturing. The deployment mechanism is designed to affect a staggered release of the fine legs and the standard legs of each staple, thereby promoting engagement with superficial tissue layers and engagement with deeper tissue layers. Additionally, the staple assembly allows for independent deployment of the fine legs from the standard legs as needed, enhancing procedural efficiency and flexibility.

Herein is described a fixing of unitary construction for securing an article to a surface, comprising; a coupling arrangement (104), for coupling the article to the fixing, wherein the fixing comprises barbs (114) which increase the friction between the fixing and the hole; and an elongate member (106) extending from the coupling arrangement; the elongate member comprising a bend (108) which is located substantially midway along the length of the elongate member, the bend defining a first portion (110) and second portion (112) of the elongate member; wherein the first and second portions are resiliently biased away from each other, and the first portion extends between the coupling arrangement and the bend, and the second portion extends towards the coupling arrangement from the bend, forming a gap suitable for the article, between the second portion and the coupling arrangement; wherein the gap size is adjusted by varying the distance between the first and second portions of the elongate member.

A system and associated method for manipulating tissues and anatomical or other structures in medical applications for the purpose of treating diseases or disorders or other purposes. In one aspect, the system includes a delivery device including a flexible portion that is suited to access target anatomy. The flexibility of an elongate portion of the delivery device can be varied. Additionally, the delivery device can include structure that maintains the positioning of the delivery device in patient anatomy.

The depth-controllable suturing nail device comprises a handle, a handle cap, an elastic tube, an inhaul cable and a sliding ring, the handle cap is rotatably connected to one end of the handle, a rotation driving assembly is arranged on the handle cap and is in transmission connection with the handle, the rotation driving assembly comprises an indicating block, one end of the elastic tube is connected to the handle, and the other end of the elastic tube is connected to the inhaul cable. The inhaul cable is slidably arranged in the elastic tube in a penetrating mode, one end of the inhaul cable is connected with a suturing nail assembly, the sliding ring is slidably arranged on the handle and is in transmission connection with the other end of the inhaul cable, and when the handle and the sliding ring rotate around the handle cap, the sliding ring can drive the suturing nail assembly to rotate through the inhaul cable. The handle can drive the indicating block of the rotation driving assembly to move in the length direction of the handle. The more the rotation turns of the handle are, the longer the moving distance of the indicating block is, an operator can conveniently master the depth of the suturing nail assembly implanted into the human tissue, and the operator is assisted in accurately and efficiently completing the operation.

A surgical staple is provided having a bridge and at least a first leg and a second leg. The bridge has a first end and a second end. The surgical staple has a first extension of the bridge adjacent the first end of the bridge and extending on an opposite side of the first leg relative to the second leg and a second extension of the bridge adjacent the second end of the bridge and extending on an opposite side of the second leg relative to the first leg. The bridge may also have a waisted or reduced width mid-section.

The utility model provides an endoscope minimally invasive instrument with a lockable sliding ring. The endoscope minimally invasive instrument comprises a handle, an elastic tube, a tail end executing mechanism, an inhaul cable, the sliding ring and a locking assembly. One end of the elastic tube is connected to the handle, the tail end executing mechanism is located at the end, away from the handle, of the elastic tube, the inhaul cable is arranged in the elastic tube in a sliding and penetrating mode, one end of the inhaul cable is in transmission connection with the tail end executing mechanism, the sliding ring is arranged on the handle in a sliding mode, and the sliding ring is in transmission connection with the other end of the inhaul cable. The locking assembly is arranged on the sliding ring and used for locking the sliding ring to the handle or releasing the sliding ring. The locking assembly is arranged on the endoscope minimally invasive instrument, so that the sliding ring can be locked to the handle, the inhaul cable cannot move along the elastic tube, the position and state of the tail end executing mechanism are kept fixed, long-time fatigue of an operator is reduced, and the operator can conveniently conduct other related operations.

The utility model provides an endoscope minimally invasive instrument with a lockable sliding ring. The endoscope minimally invasive instrument comprises a handle, an elastic tube, a tail end executing mechanism, an inhaul cable and the sliding ring. A handle cap is arranged at the end of the handle and provided with a locking part, one end of the elastic tube is connected to the handle cap, the tail end executing mechanism is located at the end, away from the handle, of the elastic tube, the inhaul cable slidably penetrates through the elastic tube, and one end of the inhaul cable is in transmission connection with the tail end executing mechanism. The sliding ring is arranged on the handle in a sliding mode, the sliding ring is in transmission connection with the other end of the inhaul cable, and the sliding ring is provided with a locking matching part. The sliding ring has a locking state, and in the locking state, the sliding ring slides to one side of the handle cap, and the locking matching part is matched with the lock in a locking mode. According to the endoscope minimally invasive instrument, the locking part is arranged on the handle cap, so that the sliding ring can be locked on one side of the handle cap, the sliding ring cannot move along the handle, the position and the state of the tail end executing mechanism are kept fixed, long-time fatigue of an operator is reduced, and the operator can conveniently conduct other related operations.

The invention relates to a connector for two workpieces, comprising two fittings which each have a mounting face for a workpiece and an opposite connecting face, on which they can be hooked into one another in a hooking direction extending in parallel with the connecting face. Each fitting comprises, on its connecting face, a shoulder which extends transversely to the hooking direction over its entire width and comprises an undercut, which leaves a ridge on the shoulder. The end face of each fitting remote from the shoulder and adjacent to the connecting face has a lip adjacent to the connecting face and extending over its entire width transversely to the hooking direction. The lip of each fitting engages in the undercut in the respective other fitting in a first position of the fittings in which they are hooked into one another.

The invention discloses a pull rivet connecting piece and a lantern ring preparation method and application thereof, the pull rivet connecting piece comprises a pull rivet and a lantern ring, and a preformed directional deformation protrusion is arranged on the cylinder wall of the lantern ring and located in a preset bulging deformation area. In the rivet pulling process, the directional deformation protrusion preferentially generates radial plastic deformation when being axially compressed, so that a drum-shaped locking structure which is accurate in position and uniform in shape is formed, and the lantern ring is integrally formed through a local plastic deformation process and can be prepared through an internal reaming method or an external die assembly extrusion method. According to the lantern ring, it can be ensured that radial plastic deformation is evenly spread in the circumferential direction of the lantern ring through the directional deformation protrusions designed through the pre-forming structure, controllability and predictability of the deformation process are greatly improved, consistency, reliability and convenience of pull-rivet connection are kept through the design, the tensile strength and the shear strength of connection are remarkably improved, and the service life of the lantern ring is prolonged. The method is suitable for occasions with high reliability requirements.

The present invention provides a fastener alignment guide comprising a generally planar body and an angled element arranged at an acute angle θ to the body, a first aperture arranged through the angled element and a second aperture arranged through the body, wherein the first aperture and the second apertures are aligned such that a fastener may be inserted progressively through the first and second apertures in use. The present invention also provides a slip-resisting fastener alignment guide comprising a body at least partially arranged in a first plane, the body comprising a first aperture for receiving, in use, at least a portion of a shank of a fastener; and a guidewall extending out of the first plane for guiding the fastener, in use, into the first aperture at an acute angle α to the first plane, wherein the guidewall comprises a first bearing edge or surface upon which an underside of a head of the fastener can bear in use, the body further comprises a second bearing edge or surface upon which the underside of the head of the fastener can bear in use, and the first bearing edge or surface and the second bearing edge or surface are each configured / arranged to resist movement, in use, of the fastener alignment guide relative to the fastener in a first direction parallel to the first plane.The present invention also provides a method of forming the fastener alignment guide and slip-resisting fastener alignment guide.

The invention discloses a data processing method and device for a prosthesis fixing nail, a storage medium and electronic equipment. The method comprises the following steps: performing three-dimensional reconstruction according to medical image data of a target object and an acetabular cup prosthesis to obtain an initial three-dimensional model; according to a current nail hole of the acetabular cup prosthesis in the initial three-dimensional model, generating a first implantation parameter of a first fixing nail; according to the first implantation parameter, performing simulated implantation operation in the initial three-dimensional model to obtain a simulated three-dimensional model; and performing safety evaluation on the simulated three-dimensional model, and determining target implantation parameters of the fixing nails of the acetabular cup prosthesis according to the first implantation parameters under the condition that a safety evaluation result represents that the safety evaluation is passed. According to the method and the device, the problem that the accuracy of determining the implanting position and direction of the fixing nail is relatively low due to the fact that the implanting position and direction of the fixing nail of the acetabular cup are determined depending on artificial experience in related technologies is solved.

The present invention is directed to a hand-held surgical device, operable by a single user, for deploying fasteners to close a wound or incision in tissue. The device includes tissue pinching and folding members operably controlled by the user during actuation of a trigger of the device, which can temporarily secure and expose inner surfaces of two edges of an incision or wound, where one of a plurality of fasteners can be inserted upon further actuation of the trigger, without crushing or causing undue trauma to the tissue.

An implant system that includes an implant having a base portion, that has a body and at least a portion of which includes a lattice structure, and an upper portion configured to releasably couple with the base portion. The implant system includes at least one first fastener configured to be received and extend at least partially through at least one bore of the base portion, and at least one second fastener configured to be received within a cavity of the base portion. Also disclosed is an implant that includes a body that has various elements configured to facilitate arthrodesis of the subtalar joint and talonavicular joint. The body includes an upper surface that is configured to interface with the tibia of a patient, and a lower surface that is configured to interface with the subtalar joint and / or calcaneus of the patient.

Systems and subsystems for cutting and stapling tissue are disclosed. More specifically, the present disclosure relates to systems, devices, and subsystems for attachments for robotic surgeries. The surgical instrument is a robotic attachment including a roll subsystem. The roll subsystem comprises a rotatable shaft having a longitudinal axis, a roll input puck engageable with a roll robotic output, a worm gear coupled to and rotatable by the roll input puck, and a worm follower coupled to the rotatable shaft. Rotation of the roll input puck causes the worm gear to rotate the worm follower and thereby roll the rotatable shaft about its longitudinal axis.

A unique, universal Zero-Profile Expandable Intervertebral Spacer (ZP-EIS) device for fusion and distraction throughout the entire spine is provided which can be inserted via anterior, anterolateral, lateral, far lateral or posterior surgical approaches dependent on the need and preference. Multiple ZP-EIS embodiments each with unique mechanisms of calibrated expansion are provided. Two of these embodiments incorporate bi-directional fixating transvertebral (BDFT) screws and five other embodiments do not incorporate BDFT screws. A tool for implantation into the intervertebral device and calibrated device expansion is also disclosed.

A method for adjusting the operation of a surgical instrument using machine learning in a surgical suite is disclosed.

The utility model provides an endoscope minimally invasive instrument with a lockable sliding ring. The endoscope minimally invasive instrument comprises a handle, an elastic tube, a tail end executing mechanism, an inhaul cable and the sliding ring. A locking part is arranged on the handle, one end of the elastic tube is connected to the handle, the tail end executing mechanism is located at the end, away from the handle, of the elastic tube, the inhaul cable slidably penetrates through the elastic tube, one end of the inhaul cable is in transmission connection with the tail end executing mechanism, the sliding ring is slidably arranged on the handle, the sliding ring is in transmission connection with the inhaul cable, and the sliding ring is provided with a locking matching part. The sliding ring has a locking state and an unlocking state, in the locking state, the sliding ring slides to one side of the locking part, the locking matching part is matched with the locking part in a locking mode, and sliding of the sliding ring along the handle is limited. According to the endoscope minimally invasive instrument, the locking part is arranged on the handle, so that the sliding ring can be locked on the handle, the inhaul cable cannot move along the elastic tube, the position and state of the tail end executing mechanism are kept fixed, long-time fatigue of an operator is reduced, and the operator can conveniently conduct other related operations.