420results about "Surgical scissors" patented technology

A surgical tool (1) comprising: a plurality of arms (2), each of the plurality of arms comprises an aperture; an elongate pin extending through the aperture of each of the plurality of arms, said elongate pin (8) comprising an end stop (10) at a first end of the elongate pin, said stop (10) being adjacent to the aperture of a first arm (3) of the plurality of arms (2), and an end portion at a second end of the elongate pin, said end portion extending beyond a second arm (4) of the plurality of arms; a bearing plate mounted onto said end portion of the pin directly adjacent to the aperture of the second arm (4), wherein the end portion comprises a deformed region, deformed such that the pin (8) forms an interference fit with the bearing plate. Also provided is a method (400) of manufacturing said surgical tool.

Apparatuses, systems, and methods for prosthetic valves. An implantation site may comprise a native heart valve or another implantation site in examples. Examples may be utilized for improved anchoring and sealing of flow (e.g., paravalvular leakage) with a native heart valve having calcification. Examples may include breaking up calcification of a native heart valve to improve deployment to the native heart valve.

A surgical system having a surgical instrument having a connection portion including a connector connectable to a robot arm for mounting of the surgical instrument to the robot arm so that the instrument can be robotically manipulated by the robot arm to adjust a position of the instrument via a first communication from a remote central processing unit to the robot arm. A remotely actuated power pack is loadable into a compartment of the instrument for powering the instrument. The power pack has a first motor and a first engagement member operatively connected to the first motor and removably engageable with a first movable member of the instrument when the power pack is loaded into the instrument, the power pack effecting movement of the first movable member from a first position to a second position to effect a first function of the instrument.

The invention relates to the technical field of medical instruments, discloses a surgical instrument, and particularly relates to a shapeable surgical instrument suitable for single-port endoscopic surgery, which comprises an inner rod assembly, an outer rod assembly and a handle assembly. The outer rod assembly is made of annealed metal (such as pure copper or copper alloy), can be shaped by hands and is kept in a bent form; the inner rod is a nickel-titanium alloy multifilament or a stranded rope, and low-resistance rotation in a bending state is achieved. The handle rotating wheel drives the inner rod to rotate and is matched with the axial push-pull of the rear handle, so that the 360-degree real-time angle adjustment and opening and closing actions of the working part (forceps piece / scissors) are controlled by a single hand, and the forceps piece / scissors do not need to be taken out of a body. The problems that a traditional straight rod instrument cannot reach a narrow area, a pre-bending instrument cannot be adjusted in an operation, and an existing shaping instrument needs in-vitro angle adjustment of two hands are solved, the operation efficiency is improved, and the cleaning and sterilizing time is shortened.

The utility model discloses a pair of novel foreign body forceps for a digestive endoscopy, which comprises a fixed cylinder, a hinge rod assembly, a connecting rod assembly, a pull rod, an alligator tooth forceps and a quick tool changing assembly, the hinge rod assembly is positioned at one end of the fixed cylinder and is hinged to the end part of the fixed cylinder, and the hinge rod assembly is connected with the connecting rod assembly; the connecting rod assembly is located on one side of the hinge rod assembly and arranged in the fixing cylinder, the other end of the connecting rod assembly is hinged to the pull rod, the pull rod is located on one side of the connecting rod assembly and arranged in the fixing cylinder in a sliding mode, and the alligator tooth clamp is located at the other end of the hinge rod assembly and fixedly connected to the hinge rod assembly. The quick knife changing assembly is arranged on one side of the alligator tooth forceps and fixedly connected to the alligator tooth forceps, and after a foreign body transversely arranged on the esophageal wall of a patient is cut off through the shear blades, the foreign body is changed into two sections of separated foreign bodies from one transverse foreign body, and then the two sections of foreign bodies can be taken out from the esophageal wall of the patient in sequence through the alligator tooth forceps. Foreign matters are prevented from puncturing blood vessels near the esophageal wall, and the possibility of massive hemorrhage is avoided.

Systems and methods can be employed for facilitating access and procedures in the outer, middle, and inner ear in order to diagnose or treat ear disorders including, but not limited to hearing loss and excessive ear wax. In some examples, the systems and methods include instruments and techniques that facilitate trans-tympanic membrane or trans-fibrous ring access to the middle ear. The systems and methods can also be used to improve accessibility for various otological surgical procedures, such as, but not limited to, cholesteatoma removal, tympanic membrane repair and ossicular chain repair.

A medical device includes an incision device operably coupled to a distal end of an elongate catheter. The incision device includes an incision channel, and a retractable cutting apparatus disposed within the incision channel. The retractable cutting apparatus includes a first cutting apparatus link that is rotatably fixed proximate to a distal end of the incision channel and a second cutting apparatus link that is attached to the first link proximal end of the first cutting apparatus link. The first cutting apparatus preferably includes a first cutting surface proximate to the first link proximal end of the first cutting apparatus link and the second cutting apparatus link includes a second cutting surface. The retractable cutting apparatus also includes a guide member coupled to cause the retractable cutting apparatus to move between a retracted position and a deployed position.

Systems and methods can be employed for facilitating access and procedures in the outer, middle, and inner ear in order to diagnose or treat ear disorders including, but not limited to hearing loss and excessive ear wax. In some examples, the systems and methods include instruments and techniques that facilitate trans-tympanic membrane or trans-fibrous ring access to the middle ear. The systems and methods can also be used to improve accessibility for various otological surgical procedures, such as, but not limited to, cholesteatoma removal, tympanic membrane repair and ossicular chain repair.

A surgical tool includes a drive housing, a shaft extending from the drive housing, wrist arranged at an end of the shaft and including a distal clevis, an axle mounted to the distal clevis, and first and second actuation pulleys rotatably mounted to the axle and rotatable about a pivot axis extending through the axle, each actuation pulley providing an actuation boss eccentric to the pivot axis, and an end effector operatively coupled to the wrist and including first and second blades pivotably coupled to the actuation bosses of the actuation pulleys. The blades are movable between open and closed positions by rotating the actuation pulleys such that the actuation boss of each actuation pulley remains proximal to a centerline of the axle, and movable to an over-centered position by rotating the actuation pulleys such that the actuation boss of each actuation pulley is located distal to the centerline.

A negative pressure suction sheath, characterized in that the negative pressure suction sheath comprises a sheath tube, a negative pressure port, and a dilator, wherein the negative pressure port comprises a main channel space and a negative pressure suction channel space located on one side of the main channel space, wherein a proximal end of the sheath tube is connected to a distal end of the main channel space, wherein the dilator is inserted from the proximal end of the main channel space and protrudes from the distal end of the sheath tube and is detachably connected to the main channel space; wherein a side channel opening is provided on one side of the main channel space, wherein the negative pressure suction channel space is connected to the side channel opening;wherein a pressure regulating port is further provided on the wall of the main duct space, wherein the pressure regulating port is provided corresponding to the side duct opening or at an end of the side duct opening facing away from the casing tube, wherein the negative pressure in the casing tube can be adjusted by adjusting the opening size of the pressure regulating port;

A surgical tool includes a drive housing, a shaft extending from the drive housing, wrist arranged at an end of the shaft and including a distal clevis, an axle mounted to the distal clevis, and first and second actuation pulleys rotatably mounted to the axle and rotatable about a pivot axis extending through the axle, each actuation pulley providing an actuation boss eccentric to the pivot axis, and an end effector operatively coupled to the wrist and including first and second blades pivotably coupled to the actuation bosses of the actuation pulleys. The blades are movable between open and closed positions by rotating the actuation pulleys such that the actuation boss of each actuation pulley remains proximal to a centerline of the axle, and movable to an over-centered position by rotating the actuation pulleys such that the actuation boss of each actuation pulley is located distal to the centerline.

A robotic surgical tool includes a handle and an elongate shaft extendable through the handle and including an outer proximal tube and an inner spline rotatably received within the outer proximal tube. A first actuation system is housed within the handle and operable to rotate the inner spline relative to the outer proximal tube and thereby transfer torque to a proximal or distal end of the shaft. A second actuation system is housed within the handle and operable to drive the outer proximal tube and thereby advance or retract the elongate shaft in z-axis translation through the handle.

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.

The utility model relates to the technical field of medical equipment, in particular to a newborn tongue frenum shearing device. The device comprises a fixed lantern ring, a reserved groove for an oral cavity supporting ring to move is formed in the middle of the fixed lantern ring, and an operation groove for operating cutting pliers is formed in the middle of the oral cavity supporting ring; the outer walls of the two sides of the fixing lantern ring are rotationally connected with fixing belts through connecting pieces, the end, away from the fixing lantern ring, of the front surface of one fixing belt is fixedly connected with a main hook-and-loop fastener, and the end, away from the fixing lantern ring, of the rear surface of the other fixing belt is fixedly connected with an auxiliary hook-and-loop fastener corresponding to the main hook-and-loop fastener. The interior of the oral cavity supporting ring is fixedly connected with a supporting piece used for supporting the tongue of the newborn through a positioning assembly; the fixing sleeve ring is matched with the fixing sleeve ring, so that the oral cavity supporting ring and the supporting piece can stably support the oral cavity and the tongue of a newborn, hidden dangers caused by mismatching of infants are prevented, and the cutting difficulty of the tongue frenum is reduced.

The electromagnetic suturing device comprises a body, a coil within the body, and a suturing element actuable by a magnetic field generated in the coil. The electromagnetic suturing device comprises a housing having a first arm with a first end face, a first suture track extending into the first end face, a second arm with a second end face opposite the first end face, a second suture track extending into the second end face, a coil within the first arm, and a suturing element actuable by the magnetic field generated by the coil to move from the first suture track to the second suture track. The electromagnetic hammer suturing device comprises a housing and a coil within the housing, a shuttle reciprocating within the housing by an electromagnetic field generated by the coil, and a suturing element actuated by the shuttle.

A system for use in connection with a blood vessel includes a proximal section including a control system and a distal section. The distal section has connected thereto an application device configure to apply one or more ligating clips to the blood vessel to mechanically ligate the blood vessel. The application system is in connection with the control system. The distal section further has connected thereto a cutting device which is configured to mechanically cut tissue, including the blood vessel (for example, after compressive force is applied to the vessel via one or the one or more ligating clips).

Surgical shaft instrument (1) with at least one jaw part (30) movable in at least one axis (X) by means of which a preferably forceps- or scissors-like tool is formed in a distal end region (9), comprising - a first part (10) with a first shaft section (20) arranged along a shaft axis (L), - a second part (40) with a second shaft section (50) arranged along the shaft axis (L) and a second guide means (42) arranged in the distal end region (9) and - at least one jaw part (30) arranged in the distal end region (9) on the first part (10), - wherein the at least one jaw part (30) has a first guide means (32) and is in one piece, - wherein the first part (10) and the second part (40) can be assembled in such a way that the first guide means (32) and the second guide means (42) interact in such a way that upon mutual displacement of the first shaft section (20) and the second shaft section (50), the at least one jaw part (30) is deflected about the at least one axis (X).

An instrument with opposable jaws or shears, e.g. needle driving forceps or surgical scissors, comprises a pair of crossed arms 402, 404 pivotally connected at a box hinge, where one arm passes throug

A surgical dissector instrument 1 has a pair of arms 2 pivotably connected intermediate their ends, each arm having a handle 6, 24 at one end and a tooth formation 8 at the other. The distal teeth 8 a

An apparatus for performing a minimally-invasive procedure having a shaft with a flexible portion that extends distally from a handle portion and an actuatable tool head assembly that includes a sharp cutting implement at its other end. The handle portion includes an actuatable trigger operatively connected to a pull member such that actuation of the trigger moves the pull member and selectively positions the actuatable tool head assembly.

A multipurpose medical scissor assembly having a first element and a second element arranged in a scissor configuration. The first element has a first blade support section and a first shank section. The second element has a second blade support section and a second shank section. A segment that mimics the shape of the second blade support section is mounted parallel to the second blade support section. Both the segment and the second blade support section terminate with hooked ends that create a forked configuration. The first element, the second element and the parallel segment are preferably all molded of plastic. Metal blades are attached to the first blade support section and to the second blade support section to provide cutting edges.

This document relates to devices and methods for the treatment of heart conditions. For example, this document provides devices and methods for treating heart failure with preserved ejection fraction, including diastolic heart failure, by performing a pericardial modification procedure.

This invention relates to the field of medical device technology and discloses a surgical instrument, particularly a malleable surgical instrument suitable for single-port laparoscopic surgery, comprising an inner rod assembly, an outer rod assembly, and a handle assembly. The outer rod assembly is made of annealed metal (such as pure copper or copper alloy), which can be hand-shaped and maintain a bent shape; the inner rod is made of nickel-titanium alloy multifilament or stranded rope, enabling low-resistance rotation in a bent state. The inner rod is rotated by a handle wheel, and in conjunction with the axial push-pull of the rear handle, 360° real-time angle adjustment and opening / closing of the working part (clamps / scissors) can be achieved with one hand, without the need for removal from the body. This invention solves the problems of traditional straight rod instruments being unable to reach narrow areas, pre-bent instruments not being able to be adjusted intraoperatively, and existing malleable instruments requiring two hands for external angle adjustment, thus improving surgical efficiency and shortening cleaning and sterilization time.

The systems and methods can be employed for transtympanic access to the middle ear for delivery of therapeutic formulations or implant devices to target locations under direct visualization. The systems and methods can also be used to improve access and visualization for various otologic surgical procedures, such as, but not limited to, cholesteatoma removal, tympanic membrane repair, and ossicular chain repair.

A medical system includes first and second opposing jaws each having an internal surface, at least one light emitter and at least one light sensor each disposed on the internal surface of one of the first and second jaws, and at least one of the first and second jaws having an external surface opposite the internal surface, the external surface having at least one marking disposed thereon aligned with the at least one light sensor. The medical system also includes at least one visual display, and a controller coupled to the light sensor and the visual display. The controller is configured to determine a position of a tissue relative to the light sensor, and control the visual display to display a graphical interface comprising at least one marking corresponding to the marking on the external surface in combination with an image corresponding to the tissue.

A surgical instrument comprising an end effector is disclosed. The end effector comprises a surgical dissector.

Unitary endoscopic vessel harvesting devices are disclosed. In some embodiments, such devices may comprise an elongated body having a proximal end and a distal end. A conical tip may be disposed at the distal end of the elongated body. In addition, the surgical instrument may include one or more surgical instruments moveable in a longitudinal direction along an axis substantially parallel to a central longitudinal axis of the cannula from a retracted position proximally of a distal end of the tip to an advanced position toward the distal end of the tip to seal and cut a blood vessel.

To provide an improved medical device.SOLUTION: A medical device comprises: a flexible elongated member including a longitudinal axis and a distal portion; and a medical terminal part operating body provided at a distal end of the distal portion of the elongated member. The medical terminal part operating body includes: a hub that is configured to be connected to a conductor and defines a first lumen; a tubular distal tool that is made of a conductive material, configured to receive electric energy, defines a second lumen that is in fluid communication with the first lumen of the hub, and is configured to be deflectable in a first direction and in a second direction opposite to the first direction; a distal face (a) wider than the distal tool, and (b) having a width greater than that of the outer surface of the medical terminal part operating body located proximally to the distal face; and a passage that extends through the second lumen of the distal tool to the distal face.SELECTED DRAWING: Figure 13A

The present invention discloses an anorectal hemostasis and stripping device, which relates to the technical field of medical devices and is intended to solve the technical problem that doctors need to repeatedly pick up and alternately use hemostatic forceps and stripping scissors during anorectal surgery, which is inconvenient in operation. The present invention includes two rotatably connected scissor bodies, each of which includes a scissor head, and the upper and lower end faces of each scissor head are bent inward and extend in the direction close to the other scissor head. The two ends of each scissor head extending inward are respectively provided with a hemostatic surface and a stripping surface, and the two hemostatic surfaces are arranged relative to each other to form a hemostatic part, and the two stripping surfaces are arranged relative to each other to form a stripping part. The present invention adopts a hemostatic surface, a stripping surface, etc. to combine the hemostatic function and the stripping function into one device, thereby realizing the conversion of the stripping function and the hemostatic function, without having to repeatedly pick up and use the hemostatic forceps and stripping scissors during the operation, thereby making it more convenient for doctors to use the device. It can improve surgical efficiency and reduce operation time.