Abstract: The present application provides an ultrasonic surgical instrument with a detachable cannula component, comprising a cannula component and an instrument body, wherein the instrument body comprises a scalpel bar for realizing an ultrasonic cutting effect. The cannula component is mounted on the instrument body or dismounted from the instrument body along the longitudinal axis of the scalpel bar by a detachable structure. The present application also provides another ultrasonic surgical instrument with a detachable cannula component, comprising a detachable cannula component and an instrument body, wherein the instrument body comprises a non-detachable internal cannula and a scalpel bar capable of realizing an ultrasonic cutting effect. Compared with the prior art, the ultrasonic surgical instrument with a detachable cannula component of the present application has the advantages of being simple in structure, convenient to mount and dismount and low in use cost.

Abstract: The present disclosure discloses a control end of a surgical instrument, which comprises a housing and a power assembly, the housing comprises a first body and a second body, a first cavity for accommodating the power assembly is provided between the first body and the second body, and the power assembly is detachably mounted in the first cavity.

Abstract: The present disclosure relates to a safety mechanism for ensuring disposable use of a staple cartridge in a stapler, comprising: the staple cartridge, a staple cartridge base, a sliding block, a cutter, and a staple anvil, wherein the staple cartridge base is centrally provided with an central track, a proximal end of the staple cartridge base is provided with a bias track, the bias track is in communication with a proximal end of the central track, a distal end of the bias track is provided with a blocking groove, and the sliding block is assembled at a proximal end of the staple cartridge; a first guide structure is provided on the cutter; the sliding block is provided with a second guide structure corresponding to the first guide structure of the cutter, and the second guide structure is capable of guiding the first guide structure to a central position from a biased position, so that the cutter enters the central track.

Abstract: An adjustment mechanism for adjusting a formed staple height of a suture staple in a stapler comprises a first handle portion and a second handle portion. The first handle portion comprises a cartridge support located at a distal end, a cartridge assembly, a drive assembly, and the adjustment mechanism for adjusting a formed staple height of a suture staple, and the second handle portion comprises an anvil located at a distal end. The cartridge assembly comprises suture staples, and the drive assembly can drive a suture staple to leave the cartridge assembly to reach the anvil to be pressed and formed. The adjustment structure adjusts a distance between the drive assembly and the anvil to adjust a formed staple height of a suture staple in a stapler. This application further relates to a stapler, comprising the adjustment mechanism for adjusting a formed staple height of a suture staple in a stapler.

Abstract: This application provides a linear stapler with an adjusting mechanism having wider adjusting scope and more suitable pressing force and being more convenient to operate, and including an adjusting shift lever with at least one step surface on each of upper and lower ends, an adjusting slider with multiple step surfaces on an end surface close to the adjusting shift lever, and an adjusting chassis having multiple step surfaces on an end surface close to the adjusting shift lever. The adjusting shift lever rotates with a shifted adjusting knob to generate relative displacement vertical to the step surface with the adjusting slider at one end and relative displacement vertical to the step surface with the adjusting chassis at the other end, and drive a nail abutting seat subassembly to rotate relatively to a nail bin seat, until the thickness of clamped tissue is consistent in near and far ends.

Abstract: A detachable surgical instrument (10), comprising a distal effector, a blade holder assembly, and a handle assembly (3), the blade holder assembly comprising at least a first blade holder assembly (1) and a second blade holder assembly (2), the first blade holder assembly (1) and the second blade holder assembly (2) being detachably connected to each other, or the second blade holder assembly (2) and the handle assembly (3) being detachably connected to each other, or the first blade holder assembly (1), the second blade holder assembly (2), and the handle assembly (3) being detachably connected to each other. Thus, the problem that common surgical instruments on the market are not easily cleaned after being used and cannot be reused is solved, significantly reducing the usage costs of the instruments, and providing the advantages of a simple structure, convenient assembly and disassembly, and low usage costs.

Abstract: An ultrasonic surgical instrument (3) having a side-button triggered coagulation function, including a cutting button (7), a coagulation button (5), a scalpel bar (31), a clamp (32), a cannula assembly (33), a handle (6), and an internal structure thereof, wherein the cutting button (7) is pressed by an index finger to trigger a cutting function, and the coagulation button (5) is pressed by a thumb to trigger the coagulation function. The ultrasonic surgical instrument can reduce misoperation of a surgeon during actual surgery, and relieves fatigue of the surgeon. Moreover, the side-button triggered coagulation function can be triggered by a left or a right hand of the surgeon, and the surgeon who can operate with both the left hand and the right hand can operate the ultrasonic surgical instrument conveniently.

Abstract: A surgical instrument (1) with a safety mechanism includes an end effector, an intermediate connector, and a controller (100), wherein the controller (100) includes housings (101, 102), a drive mechanism, the safety mechanism, and a reset mechanism, the drive mechanism, the safety mechanism and the reset mechanism being arranged or partially arranged in the housings (101, 102); the safety mechanism includes a safety trigger (104), a dry firing function block (109), and a biasing member (110). The surgical instrument can solve the problem that the instrument cannot be fired and reset when an automatic reset mechanism thereof fails, thereby protecting patient safety, and having a simple structure and a low cost.

Abstract: The present teaching relates to a reset apparatus including a first transmission mechanism, a first rotary transmission mechanism, a one-way rotary transmission mechanism, and a second rotary transmission mechanism; a stapler; and a medical device. The one-way rotary transmission mechanism only rotates in a set direction, and is connected with the second rotary transmission mechanism, and drives the same to rotate towards the set direction. In a first state, the first transmission mechanism is connected with the first rotary transmission mechanism which drives the first transmission mechanism to act along the set direction. In a second state, the first transmission mechanism is connected with the second rotary transmission mechanism which drives the first transmission mechanism to act along the set direction. The present invention achieves manual resetting when the device is accidentally shut down, and is simple in structure, and safe and reliable in use.

Abstract: Provided by the present invention is a reusable stapler comprising an adapter and a handle, the adapter being detachably connected to the handle. The adapter is a disposable component. The handle can be repeatedly used after being sterilized. The handle comprises a frame and an assembly/disassembly dial button, the assembly/disassembly button being mounted on the frame. The adapter comprises a center rod sleeve, the end of the center rod sleeve having a pair of bulges. The assembly/disassembly button is configured to control the detachable connection between the adapter and the handle. The handle can be repeatedly used after being sterilized, thereby reducing the surgery cost. The solution of detachable adapter provided by the present invention is reliable, simple, and convenient to operate, and can effectively implement the assembly and disassembly of the adapter.

Abstract: The present disclosure discloses a control end of a surgical instrument, which comprises a housing and a power assembly, the housing comprises a first body and a second body, a first cavity for accommodating the power assembly is provided between the first body and the second body, and the power assembly is detachably mounted in the first cavity.

Abstract: The present application relates to a surgical instrument with a pivotable effector, including an effector at a distal end, a controller at a proximal end, and an extension tube between the effector and the controller, wherein the extension tube is movably connected to a distal end of the controller; a distal end of the extension tube is pivotally connected to a proximal end of the effector; the extension tube forms a connection channel for transferring an action of the controller to the effector; the controller includes a articulation control mechanism capable of moving in at least one direction; the extension tube includes a first flexible component, and moves in at least one direction through the articulation control mechanism, and the first flexible component provides a rotation torque for the effector, and drives the effector to rotate towards at least one side relative to the distal end of the extension tube.

Abstract: Disclosed is an adaptive drive beam structure, including a plurality of drive beams (1, 2, 3, 4, 5), a central shaft joint (7) and a drive beam joint (6), wherein the plurality of drive beams (1, 2, 3, 4, 5) are mounted in the central shaft joint (7) through the drive beam joint (6), and when a staggered front and back occurs among the plurality of drive beams (1, 2, 3, 4, 5), the drive beam joint (6) is capable of compensating the mismatch of the plurality of drive beams through rotation movement, such that the plurality of drive beams (1, 2, 3, 4, 5) are simultaneously in contact with the drive beam joint (6) all the time. The adaptive drive beam structure is applied to rotating type device products, thereby improving the stress of flexible drive beam in a device, ensuring that the plurality of drive beams are stressed uniformly in the movement process, reducing the deformation of a single piece drive beam and ensuring the movement smoothness of the firing drive beams.

Abstract: A waveguide rod for an ultrasonic scalpel having a relatively desirable amplitude and frequency comprises a proximal gain structure, a distal gain structure, an intermediate structure, and a frequency adjustment structure. The proximal gain structure and the intermediate structure are connected in a position near an antinode of longitudinal vibration of the waveguide rod through a proximal side gain step. The distal gain structure and the intermediate structure are connected in a position near an antinode of the longitudinal vibration of the waveguide rod through a distal side gain step. The intermediate structure comprises N (N>0, and N is an integer) gain holding structures that are connected two by two in a position near an antinode of the longitudinal vibration of the waveguide rod through an intermediate gain step. X (X>0, and X is an integer) frequency adjustment structures exist on the gain holding structure.

Abstract: The present application provides an ultrasonic surgical instrument with a detachable cannula component, comprising a cannula component and an instrument body, wherein the instrument body comprises a scalpel bar for realizing an ultrasonic cutting effect. The cannula component is mounted on the instrument body or dismounted from the instrument body along the longitudinal axis of the scalpel bar by a detachable structure. The present application also provides another ultrasonic surgical instrument with a detachable cannula component, comprising a detachable cannula component and an instrument body, wherein the instrument body comprises a non-detachable internal cannula and a scalpel bar capable of realizing an ultrasonic cutting effect. Compared with the prior art, the ultrasonic surgical instrument with a detachable cannula component of the present application has the advantages of being simple in structure, convenient to mount and dismount and low in use cost.

Abstract: The present application provides a reusable powered endoscopic cutter stapler, comprising a controller, a handle, an adapter and a cable component; the adapter is connected with the handle; one end of the cable component is detachably connected with the controller, the other end is detachably connected with the handle to be used for transmitting electric energy and command signals; the controller can be reused for many times, and the cable component can be reused for many times after being sterilized. According to the reusable powered endoscopic cutter stapler disclosed by the present application, at least one or multiple components of a core component can be sterilized repeatedly, and can be used for many times, thereby not only greatly lowering the treatment expense of patients, but also greatly reducing the risk of cross infection when instruments are used, improving the use safety and reliability of the instruments, and greatly lightening the overall mass, so that a doctor can operate more conveniently.

Abstract: The present invention discloses a surgical stapler. The surgical stapler includes a first handle part, a second handle part, and an adjustment mechanism. The first handle part comprises a staple cartridge component and a drive component, and the second handle part comprises a staple abutting seat. A locking mechanism is designed on the first handle part or/and the second handle part. The first handle part and the second handle part may rotate via the rotation shaft and lock in a longitudinal direction. The adjustment mechanism is located between the first handle part and the second handle part, which may make the second handle part rotate relative to the first handle part via the rotation shaft thereon.

Abstract: The present application provides a linear stapler with an adjusting mechanism, comprising an adjusting shift lever with at least one step surface on each of an upper end and a lower end, an adjusting slider with at least three different step surfaces on an end surface close to the adjusting shift lever, and an adjusting chassis having at least three different step surfaces on an end surface close to the adjusting shift lever; when an adjusting knob is shifted, the adjusting shift lever rotates therewith, so that the adjusting shift lever generates relative displacement in a direction vertical to the step surface with the adjusting slider at one end, and generates relative displacement in a direction vertical to the step surface with the adjusting chassis at the other end, and further drives a nail abutting seat subassembly to generate rotation relative to a nail bin seat, until the thickness of clamped tissue is consistent in the near end and the far end.