512results about "Incision instruments" patented technology

Rapidly insertable central catheters (“RICCs”), introducers, and insertion devices including combinations and methods thereof are disclosed. For example, a RICC system can include an introducer and a RICC insertion assembly including a RICC assembly disposed in a RICC insertion device. The RICC assembly can include a RICC, an access guidewire, and a splittable casing over a catheter tube of the RICC and the access guidewire forming a longitudinal composite. The RICC insertion device can include a frame and a nose cover forming a split channel that splits away from a through channel of a nose of the frame. The RICC insertion device can be configured for advancing the RICC assembly by rolling the longitudinal composite across roller wheels disposed in the frame. The through channel can be configured for advancing the catheter tube therethrough while the split channel can be configured for both splitting and passing the splittable casing therethrough.

Disclosed herein are apparatuses, systems, kits, and methods for treating skin, such as skin tightening or for treating diseases, disorders, and conditions that would benefit from tissue area or volume reduction, skin restoration, skin tightening, skin lifting, and / or skin repositioning and / or for generally improving skin function or appearance (e.g., the removal of unwanted skin features or irregularities such as sebaceous glands, sweat glands, hair follicles, necrosis, and fibrosis). Such apparatuses, systems, kits, and methods comprise an apparatus having a handheld main body and a detachably attachable tip comprising one or more needles.

The invention provides an anastomat body and an anastomat. The anastomat body comprises a first gear, a rotating head, a second gear and a power assembly. The first gear includes a first tooth portion. The second gear includes a second tooth portion engaged with the first tooth portion. The rotating head is connected with the nail bin assembly. The staple cartridge assembly comprises a jaw and a cutting knife. The power assembly drives the first gear to rotate, and the first gear drives the second gear to rotate. The rotating head defines a containing space, and at least part of the second gear is located in the containing space and connected with the rotating head so as to drive the rotating head to rotate. The rotating head drives the nail bin assembly to circumferentially rotate around the center shaft of the nail bin assembly. Circumferential rotation of the nail bin assembly is controlled in an electric mode, operation is convenient, and the operation precision and efficiency of an operation are improved.

The present disclosure relates to a surgical instrument comprising: a machine body; a rotary housing having a first rotation interval and a second rotation interval; and a motor driving module connected to a swing motor. The motor driving module comprises a reversing module and a trigger element connected to the reversing module. When the rotary housing is in the first rotation interval, the trigger element is in a first state, drives, in response to a first operation of a user, the swing motor to rotate in a first direction, and drives, in response to a second operation of the user, the swing motor to rotate in a second direction. When the rotary housing is in the second rotation interval, the trigger element is in a second state, drives, in response to the first operation of the user, the swing motor to rotate in the second direction, and drives, in response to the second operation of the user, the swing motor to rotate in the first direction. The first direction is opposite to the second direction.

A surgical device includes a plurality of cameras integrated therein. The view of each of the plurality of cameras can be integrated together. A surgical tool that includes an integrated camera may be used in conjunction with the surgical device. The image produced by the camera integrated with the surgical tool may be associated with the images generated by the plurality of cameras integrated in the surgical device. The position and orientation of the cameras and / or the surgical tool can be tracked, and the surgical tool can be rendered as at least partially transparent. A surgical device may be powered by a hydraulic system, thereby reducing electromagnetic interference with tracking devices.

A disposable, sterile guide constructed of medically-acceptable plastic used for compartmentalizing and therefore protecting the ligament or fascia during three different orthopedic surgical procedures: ECTR, ECuTR, and EPFR. This device reduces the risk of damage to any other part of the surrounding anatomy. The device is disposable and packaged so as to be sterile and therefore readily usable by the surgeon means that it can reduce the risk of infection and is a less expensive alternative to traditional non-disposable, metal instruments that must be sterilized prior to each procedure.

The present disclosure relates to tissue cutting tools that can be used for forming an opening in a target tissue, such as a host leaflet within which a guest prosthetic valve can be expanded. In an example, the tissue cutting tool comprises an actuation tube and a blade support tube extending therethrough. A distal portion of the blade support tube can be coupled to a distal portion of the actuation tube, and a proximal portion of the blade support tube can be axially movable with respect to a proximal portion of the actuation tube. The blade support tube also includes a bendable section extending between its distal and proximal portions, and configured to transition between unbent and bent configuration thereof. At least one blade is coupled to at least one arm of the bendable section.

The utility model belongs to the technical field of medical instruments, and particularly discloses a cartilage cortex cutting knife which comprises a knife head. The tool bit is detachably installed at the head end of the handle, and a protection frame is arranged at the head end of the handle to shield the tool bit. The handle is in an arc shape with two protruding sides and a concave middle, and the head end of the handle is an inclined plane tangent to the arc line of the front end of the handle. When cartilage cortex cutting is carried out, under the arc arrangement that the two sides of the handle are convex and the middle of the handle is concave, an operator holds the handle more stably, the tool bit is detachably arranged on the inclined plane tangent to the arc line at the front end of the handle, the operator can apply force better to cut cartilage cortex conveniently, and the tool bit can be detached and replaced conveniently; meanwhile, the protective frame is arranged at the head end of the handle to shield the cutter head, the protective frame can fully shield the cutter head when cartilage cortex is cut, and the cutter head is prevented from accidentally injuring an operator.

To provide a diathermy tonsillectomy apparatus which can be selectively configured between the use mode of incision, cautery incision and suction and the use mode of suction only.SOLUTION: A diathermy tonsillectomy suction dissector apparatus 140 has a body having a proximal handle, a distal curved tip and a diathermy cutting blade member slidably retained within the body to selectively extend from the tip. The diathermy cutting blade member comprises a flexible metallic blade comprising a proximal electrical connector socket and a hand operable electrically insulative position locking mechanism attached to the blade. The locking mechanism is hand operable via apertures and interlocks therewith to position the diathermy cutting blade member between retracted and extended positions and to lock the diathermy cutting blade member at the extended position.SELECTED DRAWING: Figure 24

A surgical device includes a plurality of cameras integrated therein. The view of each of the plurality of cameras can be integrated together to provide a composite image. A surgical tool that includes an integrated camera may be used in conjunction with the surgical device. The image produced by the camera integrated with the surgical tool may be associated with the composite image generated by the plurality of cameras integrated in the surgical device. The position and orientation of the cameras and / or the surgical tool can be tracked, and the surgical tool can be rendered as transparent on the composite image. A surgical device may be powered by a hydraulic system, thereby reducing electromagnetic interference with tracking devices.

The device comprises an operating handle, an excision cavity with an opening in one side and a cutter, a freely-extending operating rod is arranged on the operating handle, the excision cavity is formed in the free end of the operating rod, and a suction limiting mechanism connected with external negative pressure suction equipment is movably arranged in an inner cavity of the excision cavity. The suction limiting mechanism is opposite to the opening of the excision cavity, can suck hypertrophic cardiac muscle tissue to be excided into the excision cavity, and can be close to or far away from the opening of the excision cavity so as to limit and adjust the depth of an inner cavity of the excision cavity, the cutter is movably arranged at the opening of the excision cavity in parallel, and a linkage mechanism is further arranged on the operating handle. The linkage mechanism penetrates through the operating rod to be connected with the cutter, the cutter can be pushed to move in parallel from one end of the opening of the excision cavity to the other end of the opening of the excision cavity so as to excide hypertrophic cardiac muscle tissue entering the excision cavity, by adjusting the position of the suction limiting mechanism, a doctor can conveniently control the excision thickness or depth, and the operation precision is improved.

The invention discloses a needle knife kit which comprises a syringe assembly, and the syringe assembly comprises a syringe barrel used for containing fluid and enabling the fluid to be discharged from one end. The needle-knife suite further comprises a needle-knife switching assembly, and the needle-knife switching assembly comprises a connector which protrudes out of and is communicated with the fluid discharge end of the syringe; one end of the outer sleeve sleeves the connector and can move in the axial direction of the connector; the inner needle knife is arranged in the outer sleeve in a clearance mode, a blade is arranged at one end of the inner needle knife, and the blade of the inner needle knife can be exposed or retracted into the outer sleeve after the outer sleeve moves. According to the needle knife, the sharp and blunt needle knife head can be replaced and used, cleaning liquid and medicine liquid can be injected, use is convenient, and the functions are diversified.

An intravascular device and methods of using the same are provided. An expandable portion includes struts movable between a collapsed position and an expanded position, and tissue modification element(s), each having a lower portion residing within or attached to one of the struts, an upper portion which extends outwardly from an outer surface of the strut and physically interacts with tissue during use. Irrigation and / or suction device(s) are provided for providing at least one of irrigation fluid and suction force at the expandable portion when operated.

An endoscopic tissue inversion and resection system employs an exemplary endoscopic tissue inversion and resection device configured to invert tissue to plicate the tissue between a pair of clamping tubes that advance a clamp component and guide clamp components around the plicated tissue. A clamp component may include magnets and / or a shape memory material. The magnets may produce a pinching force of the tissue. A shape-memory clamp component may have a preform shape that when configured around the plicated tissue clamps and retains the plicated tissue. An endoscope is configured between the first clamping tube and a second clamping tube and a tissue grasping device plicates the tissue. The endoscope may have an imaging device, to enable viewing of the interior of the body during a procedure to guide the endoscope to a desired location.

The conduit carrier includes a carrier housing that includes first and second contact ends and a vacuum channel extending between them. The vacuum channel is configured to connect to a vacuum source via the first contact end. An engagement mechanism is connected to the second contact end. The engagement mechanism is configured to engage with the conduit in a releasable manner during nerve repair surgery. A separator is configured to extend from the second contact end. When the engagement mechanism engages with the conduit during nerve repair surgery, the vacuum channel is connected to a vacuum port in the conduit via the second contact end so that a vacuum source can draw a vacuum into the conduit, and the separator extends into the conduit through the vacuum port, creating a predetermined regeneration gap between the first and second nerve stumps inserted into the conduit.

A surgical device includes a housing, a circuit assembly, a drive element, a cutter, and an input assembly. The circuit assembly is arranged in the shell. The driving element is arranged in the shell and is electrically connected to the circuit assembly. The cutter is connected to the driving element and is driven by the driving element. The cutter protrudes from the first end of the housing. The input assembly comprises a nameplate and at least one key switch. The at least one key switch is arranged in the nameplate and electrically connected to the circuit assembly. The nameplate is arranged on the shell and exposed outside.

Medical cutting devices having static components, working blade bodies, rails, struts, channels for fluid and gas flow, and hand-piece and robotic arm attachment capabilities are disclosed. According to an aspect, a cutting device includes a working blade body being configured for operable connection to a source of movement. The cutting device also includes a static component being configured for operable connection to the source of movement. The static component comprises at least one rail, wherein the at least one rail extends substantially the same length as the working blade body.

The dissection scalpel comprises a scalpel head and a scalpel handle, the scalpel head is detachably installed at the front end of the scalpel handle, the scalpel handle comprises a first scalpel handle half body and a second scalpel handle half body which are fixed to each other, a driving cavity is formed in the front section of the first scalpel handle half body and the front section of the second scalpel handle half body, and a blade installation plate is axially installed in the driving cavity in a sliding mode; the tail portion of the cutter head and the blade mounting plate are detachably fixed, a driving mechanism is further installed in the driving cavity and comprises a driving plate, the driving plate and the blade mounting plate are detachably connected, an axial strip hole is formed in the cutter handle, an exposed operation button is arranged on the driving plate, and the blade mounting plate is detachably connected with the axial strip hole. A locking structure is arranged between the first knife handle half body and the blade mounting plate or between the second knife handle half body and the blade mounting plate, and an unlocking structure is arranged on the driving plate. According to the dissecting scalpel, the position of the scalpel head can be controlled more conveniently, and therefore the scalpel head can be replaced and locked more conveniently.

The utility model relates to a wear-resistant and fracture-resistant medical cutter clamping device. The wear-resistant and fracture-resistant medical cutter clamping device comprises a main body, a push-pull piece sliding in the main body, a first block connected with a power source, a cutter detachably connected in the first block, a fourth block for limiting the concentricity of the cutter, a limiting piece for limiting the position of the cutter and an adjusting piece for adjusting the limiting piece to limit or detach the cutter, first grooves are formed in the end face of the body. The push-pull piece slides in the first groove; the fourth block is positioned in the first groove; a second groove is formed in the fourth block; a fixing piece is arranged in the second groove in a penetrating mode. The fixing piece penetrates through the push-pull piece and is in threaded connection with the adjusting piece; a third groove is formed in the first block; a fourth groove corresponding to the third groove is formed in the cutter; the limiting piece penetrates through the third groove and is clamped into the fourth groove. The adjusting piece slides on the first block; the limiting piece and the first block rotate synchronously. The problems that a cutter needs to be rapidly disassembled and assembled, stress on a clamping position is large due to transverse cutting force of the cutter in the rotary cutting process, and the clamping position can be broken are solved.

The present disclosure relates to a device assembly and a method for treating heart failure by normalizing elevated blood pressure in the left atrium of a heart of a mammal. Disclosed herein is a transcatheter interatrial septum excision device assembly configured to create a sized interatrial aperture between the right and left atria of a heart for the relief of elevated left atrial pressure. The device assembly comprises a delivery catheter, a tissue stabilizer attached to a first catheter having a central lumen and a penetrating tip that permits passage of a guidewire, and a cutter attached to a second catheter having a central lumen that permits passage of the first catheter. Alternative configurations comprise a (third) catheter having a central lumen that permits passage of the aforementioned components to and from the right atrium, a tissue retention mechanism and an optional coaxial alignment mechanism.

The utility model discloses a kind of medical handle and surgical power equipment, it is related to medical instrument technical field, medical handle includes handle body, installation component and direction adjusting component, installation component is rotatably and with handle body sleeve connection, and with the axial position of handle body opposite fixed, installation component is used to install cutter;Direction adjusting component movably is set in the outer periphery of handle body, and with installation component circumferentially opposite fixed;Wherein, the movable position of direction adjusting component along its axial direction includes locking position and unlocking position, when direction adjusting component is in locking position, direction adjusting component and handle body circumferential locking, when direction adjusting component is in unlocking position, direction adjusting component and handle body circumferential unlocking, to make installation component can be rotated with direction adjusting component relative to the circumferential rotation of handle body.The technical scheme provided by the utility model solves the problem that the direction of existing cutter is not easy to adjust.

The application discloses a navigation type scalpel for surgical robot and relates to the technical field of medical devices.The scheme comprises a guider provided with a through guide channel at one end and used for detachable connection with an external navigation device;the navigation scalpel comprises a navigation handle and a cutting blade, the cutting blade is detachably connected with one end of the navigation handle, the other end of the navigation handle is provided with a tracer, and the tracer is used for identification and positioning by the external navigation device;the outer wall of the navigation handle is circumferentially limitedly connected with the inner wall of the guide channel, the navigation handle is used for insertion into the guide channel, and the guide channel is used for axial and circumferential guidance of the advancing path of the cutting blade.Through the arrangement of the guider and the navigation scalpel, the external navigation device can position the scalpel, monitor the cutting path and the cutting depth of the scalpel, and through the axial and circumferential limitation of the guide channel on the scalpel, the cutting position and direction of the scalpel are ensured to be accurate.

The application provides an anastomat body and an anastomat. The anastomat body comprises a limiting piece, a first pushing piece and a second pushing piece. The limiting piece is provided with a receiving space and a plurality of sliding grooves which are communicated with the receiving space in the circumferential direction. The second pushing piece comprises a plurality of sliding blocks which are sequentially arranged in the circumferential direction. When the jaws are opened, at least part of the second pushing piece is located in the receiving space, and the sliding blocks are located in the sliding grooves. In this state, the first pushing piece is forced to abut against the second pushing piece, and after the sliding blocks move along the sliding grooves and move out of the sliding grooves, the second pushing piece rotates and abuts against the limiting piece, so that the jaws are switched and locked in the closed state. When the jaws are closed, the first pushing piece is forced to abut against the second pushing piece to make it rotate, so that the sliding blocks enter the sliding grooves, and the jaws are switched to the opened state. By making the first pushing piece abut against the second pushing piece to make it advance and retreat, when the second pushing piece abuts against the limiting piece after advancing, the jaws can be locked in the closed state, and the anastomat body has a simple structure.

The present disclosure relates to a surgical instrument comprising: a body, a rotary housing having a first rotation section and a second rotation section; the motor driving module is connected with the swing motor; the motor driving module comprises a reversing module and a triggering element connected with the reversing module, and when the rotating shell is in a first rotating interval, the triggering element is in a first state and responds to first operation of a user to drive the swing motor to rotate in the first direction; in response to a second operation of the user, driving the swing motor to rotate in a second direction; when the rotating shell is in a second rotating interval, the triggering element is in a second state; in response to a first operation of a user, driving the swing motor to rotate in a second direction; in response to second operation of the user, the motor swings, and the motor rotates in the first direction; the first direction is opposite to the second direction. When the surgical instrument is subjected to product testing or maintenance, whether signals sent to the motor are changed or not when needed can be visually detected and recognized, and problems are avoided.

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.

The invention discloses a treatment auxiliary device after obtaining of a transplanted donor lung, and belongs to the field of medical instruments, the treatment auxiliary device comprises an anastomat, the anastomat is provided with a handle, a forceps head and a shaft rod connecting the handle and the forceps head, and the forceps head comprises a nail abutting seat and a nail bin which can be meshed with each other to clamp tissue; the suction pipeline is provided with a suction end used for extending into an air pipe and a negative pressure connecting end used for being connected with a negative pressure source, and the suction pipeline comprises a first pipe section extending along the shaft rod; the air inflation pipeline is provided with an air injection end used for introducing air into the lung and an oxygen injection connecting end used for being connected with an air source, and the air inflation pipeline comprises a second pipe section extending along the shaft rod; the suction end and the air injection end are both arranged on the near side of the forceps head. By means of the arrangement, sputum suction, lung inflation and trachea clamping and closing operation can be completed after the donor lung is obtained and before transplantation, and therefore the physiological function and structural integrity of the donor lung are maintained.

The utility model provides a guide mechanism of an electric endoscopic cutting anastomat, which belongs to the technical field of medical instruments and comprises a guide rod, a guide rod and a guide rod, an anastomat; the electric telescopic rod is fixedly connected to one side end of the anastomat; the motor is fixedly connected to the circumferential inner wall of the electric telescopic rod; the anastomat is accurately positioned to a surgical site, and the dial gauge on the electric telescopic rod is used for providing visual length reference, so that a doctor can very accurately adjust the positions of the nail bin and the cutting blade to ensure that the nail bin and the cutting blade are accurately aligned with target tissues, personal errors are reduced through the accurate control, the success rate of surgery is improved, and after the position is confirmed to be correct, the surgical efficiency is improved. A doctor presses down the button, the motor is started, the motor drives the clamping nail base to rotate and complete the cutting action, then suturing treatment is conducted immediately, it is ensured that a surgical wound is closed rapidly, the surgical accuracy is improved, and misoperation is effectively prevented.

The utility model relates to the technical field of medical instruments, and discloses a safe and reliable disposable medical scalpel which comprises a grip, the left side of the grip is fixedly connected with a scalpel handle, the left side of the scalpel handle is fixedly connected with a scalpel point, the periphery of the scalpel handle is connected with a shell in a sliding mode, and the top of the shell is fixedly connected with a first clamping block. A plurality of first clamping grooves are formed in the top of the cutter handle, the first clamping blocks are arranged in the middles of the first clamping grooves, a second clamping block is fixedly connected to the bottom of the cutter handle, and a second clamping groove and a sliding groove are sequentially formed in the bottom of the shell from left to right. According to the protective device for the disposable scalpels, the disposable scalpels are protected, doctors or nurses are prevented from being hurt when the disposable scalpels are taken, staff are prevented from being hurt easily when the disposable scalpels are treated, and the used disposable scalpels or the unused disposable scalpels can be distinguished; and cross infection of a patient caused by using a used disposable scalpel is avoided.

The present application relates to the technical field of medical devices, and particularly relates to a uterine cavity tissue cutting biopsy device facilitating sampling, comprising a cutter body and a negative pressure sampling bottle detachably connected with the cutter body, wherein the sample cut by the cutter body enters the negative pressure sampling bottle based on negative pressure, and the negative pressure sampling bottle is provided with a negative pressure regulator. The uterine cavity tissue cutting biopsy device facilitating sampling can synchronize the cutting and sample collection, and the sampling bottle can be quickly taken down without disconnecting the negative pressure device, and the negative pressure can be quickly drawn when needed, so that the uterine cavity tissue cutting biopsy device facilitating sampling can quickly reach the required negative pressure value, and has the advantages of simple structure, low cost, no noise, no vibration, and convenient operation for doctors.

The application discloses a bendable pouch cutting integrated pincers, comprising a pincer body, the end of the pincer body is hingedly connected with a movable pincer head, the movable pincer head comprises a bottom pincer head and a top pincer head, the bottom pincer head is provided with a bottom insert, the top pincer head is provided with a top insert, the top insert is provided with a needle, the side of the pincer body is provided with a pressing mechanism, the pressing mechanism comprises a lever and a pressing plate, the bottom surface of the pressing plate is provided with a plurality of push columns and cutting blades. The movable pincer head can rotate around the end of the pincer body, the movable pincer head can be inserted into the patient's body in a minimally invasive manner after rotating to be flush with the pincer body, the trauma of the patient is reduced, the pressing mechanism is arranged, the purpose of closing the tissue wound can be achieved, and the cutting blades on the pressing mechanism can cut the excess tissue by continuously pulling the first end of the pressing mechanism, so that the purpose of closing and cutting integrated operation is achieved.