299results about "Surgical scissors" patented technology

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.

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 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 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.

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 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.

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.

A medical device includes a blade support, a blade supported by the blade support, and a pin. The blade support includes a bore with an inner portion oriented toward the blade and an outer portion oriented away from the blade. A discontinuity is located at a boundary between the inner and outer portions of the bore. The pin includes a longitudinal axis and a yaw plane is defined perpendicular to the longitudinal axis. A rotational yaw degree of freedom is defined about the longitudinal axis of the pin. The blade support is operable to rotate about the pin in the yaw degree of freedom, contact the pin at the discontinuity of the bore, and tilts away from the yaw plane at the discontinuity of the bore in response to a force applied in a lateral direction.

The present invention relates to a surgical shaft instrument (1) with at least one jaw part (30) movable in at least one axis (X) by which a preferably forceps- or scissor-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 on the first part (10) in the distal end region (9), wherein the at least one jaw part (30) has a first guide means (32) and is integral, wherein the first part (10) and the second part (40) can be assembled such that the first guide means (32) and the second guide means (42) interact in such a way thatthat when the first shaft section (20) and the second shaft section (50) are displaced relative to each other, at least one jaw section (30) is deflected about at least one axis (X). Furthermore, the present invention relates to a method for manufacturing the surgical shaft instrument (1).

A medical instrument and method for producing a medical instrument with at least one instrument body part made from an instrument body part blank by forming. The at least one instrument body part has at least one deburring face formed by milling. The at least one deburring face includes one or more portions. Each portion extends perpendicularly to a machining plane. A normal to the machining plane defines a deburring longitudinal axis.

An electromagnetic suturing device comprises a body, a coil in the body and a suturing element actuatable by a magnetic suturing track extending into the first end face, a second arm having a second end face opposing the first end face, a second suturing track extending into the second end face, a coil in the first arm, and a suturing element drivable by a magnetic field generated by the coil to move from the first suturing track to the second suturing track. An electro-magnetic hammer suturing device comprises a housing and a coil in the housing, a shuttle to reciprocate in the housing by an electromagnetic field generated by the coil and a suturing element to be actuated by the shuttle.

Embodiments describe a light-based medical device that uses light to luminesce tissue, and collect the reflected light, to perform analysis on the reflection characteristics in real-time to detect the type of surrounding tissue as well deeper tissue in the trajectory of the luminescence. Such device can be incorporated inside needles, catheters, tubes or piercing or biopsy tools, surgical blades, surgical tweezers, and so on, to direct their insertions and operations in specific zones. Importantly, because of the easy-to-use design, embodiments can be used without the need of highly trained personnel or expensive hospital equipment. Therefore, embodiments can be utilized in emergency situations that require fast responses, performed in ERs, moving vehicles, ambulances, and battlefields.

A uterine fibroid tissue removal device includes an inner tube disposed within an outer tube and configured to be translated and rotated relative to the outer tube, and a separately formed unitary distal tip member attached to a distal end of the inner tube, such that the distal tip member translates and rotates relative to the outer tube along with the inner tube, wherein a distal facing open cutting end of the distal tip member in fluid communication with an axial lumen of the distal tip member translates across a tissue resection window in a sidewall of the outer tube so as to sever tissue extending therethrough, the distal tip member axial lumen being in fluid communication with an axial lumen of the inner tube, wherein an outer diameter of the distal tip member is greater than an outer diameter of the inner tube.

Provided in the present disclosure is a laparoscopic surgical instrument based on gear control. The laparoscopic surgical instrument comprises a forceps head assembly for clamping a target; an instrument shaft, the forceps head assembly being rotatably connected to one end of the instrument shaft; a push rod arranged in the instrument shaft and capable of sliding relative to the instrument shaft, wherein one end of the push rod is rotatably connected to the forceps head assembly, and the push rod is configured to be driven by a first acting force parallel to the direction of length of the push rod to drive the forceps head assembly to swing around the head end of the instrument shaft; an opening and closing driving rod arranged in the push rod and capable of sliding relative to the push rod, wherein the opening and closing driving rod has one end connected to the forceps head assembly, and is configured to be driven by a second acting force parallel to the direction of length of the opening and closing driving rod to drive the forceps head assembly to open and close; and a control mechanism comprising an opening and closing trigger and a gear structure, wherein the gear structure is connected to one end of the opening and closing trigger, the other end of the opening and closing driving rod is connected to the gear structure, and by means of pressing the opening and closing trigger, the gear structure is driven to rotate, thereby applying the second acting force to the opening and closing driving rod.

A surgical fastener applier for receiving a power pack and a loadable power pack. The surgical fastener applier includes a housing containing a compartment, an elongated member extending distally from the housing, first and second jaws and a firing mechanism positioned within the housing. The firing mechanism is movable between a first position and a second position to effect firing of fasteners into the tissue clamped between the first and second jaws. A cover on the housing is openable to access the compartment. A power pack is removably loadable into the compartment, the power pack having a motor and an engagement member removably engageable with the firing mechanism within the compartment when the power pack is loaded into the compartment to effect movement of the firing mechanism from the first position to the second position.

The utility model discloses a curved scissors base, which relates to the field of curved scissors and comprises a U-shaped plate, an adjusting component is arranged in the middle of the upper end of the U-shaped plate, baffles are mounted on the front portion and the rear portion of the upper end of the U-shaped plate respectively, a placing frame is arranged at the upper end of the adjusting component, and the U-shaped plate is arranged on the placing frame. The left inner wall and the right inner wall of the containing frame are jointly and movably connected with a plurality of containing plates distributed in a linear array mode, the upper ends of the containing plates are each provided with a plurality of containing grooves distributed in a linear array mode, and the adjusting component extends to the baffle. The height of the bent scissors can be stably adjusted through the adjusting component, the situation that the placing frame is unbalanced is avoided, stable placing of the bent scissors is guaranteed, the height of the placing plate can be adjusted through cooperation of the screw rod and the screw hole, direct contact between the placing plate and a hard surface is avoided, abrasion and damage to the tip end of a cutter can be reduced, and the service life of the bent scissors is prolonged. The service life is prolonged.

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

The invention relates to a pair of medical electric clothes scissors, which belongs to the technical field of electric scissors and comprises a handle, a shell, a blade, a guide assembly and a damping assembly, the shell is installed at the front end of the handle, the shell is provided with a rotating space, the blade is rotationally installed in the rotating space, and the rotating space is formed by amplifying the shape of the blade; the shell is provided with a clothes breaking opening which is located at the front end of the blade and enables the rotating space to be communicated with the external environment. The guide assembly is used for guiding clothes to the bottom of the blade, the damping assembly is used for adjusting the rotating range of the guide assembly so that an adjustable shearing space can be formed between the blade and the guide assembly, the blade has double physical protection, the rotating space of the shell provides basic wrapping protection, and the guide assembly forms a front barrier all the time; the risk that the skin of a patient is accidentally scratched in the shearing process is remarkably reduced, and the blade is completely protected; and the guide assembly is combined with a damping self-adaptive rotating mechanism, so that clothes with different thicknesses can be cut off.

The present invention discloses an instrument for use in surgery and the internal rinsing of the instrument. This instrument comprises a proximal end (12) and a distal end (11). The fluid connection (20) is connected to the proximal part of this instrument. The fluid connection (20) is designed to include an inlet (25) for introducing the rinsing fluid and two outlets (21, 22). The first outlet (21) allows the rinsing fluid to flow only to the distal end (12), and the second outlet (22) allows the rinsing fluid to flow to the proximal end (11). The outlet (21) that allows the rinsing fluid to flow to the distal end is larger than the outlet (22) that allows the rinsing fluid to flow to the proximal end.

To provide methods and apparatuses for bisection of heart valve leaflets using a catheter having a cutting element.SOLUTION: The invention is a device, system, and method for repairing the heart valve function, which may include bisecting native valve leaflets for improved deployment of a prosthetic heart valve in the native valve annulus. The invention may include a catheter having a cutting element shaft with a cutting element configured to puncture a valve leaflet and / or make a controlled cut through the leaflet. The device may have an extendable foot configured to be positioned on an opposite side of the valve leaflet from the cutting element shaft. The device may include magnets to guide the cutting element and / or cutting element shaft in proper alignment with the extendable foot and to hold the elements in place during leaflet bisection.SELECTED DRAWING: Figure 7

The invention relates to a shaft instrument (10) for laparoscopic and / or endoscopic procedures, comprising a proximal shaft section (28) having a proximal shaft section longitudinal axis, and a distal shaft section (30) having a distal shaft section longitudinal axis and having an applicator (20) at its distal end, wherein the two shaft sections are connected to each other in the region of a connecting joint (32) and are rotatable relative to each other, wherein at least one of the end faces of the two shaft sections facing the connecting joint is oriented at an angle deviating from 90° relative to the respective shaft section longitudinal axis, and wherein an angle between the two shaft section longitudinal axes is variable, and wherein the shaft instrument comprises at least one transmission device.which is displaceable along or parallel to an actuating axis by one actuating stroke and is coupled at a distal end to the applicator of the shaft instrument, wherein the transmission device transmits axial forces along the actuating axis and torques around the actuating axis, wherein the applicator is rotatable around the distal longitudinal axis of the shaft section and the transmission device is rotationally fixed to the applicator.