14 results about "Morcellator" patented technology

The invention belongs to the field of medical instruments, and particularly discloses a gradient dentition-based hysteromyoma rotary cutter which comprises a rotary cutter bar, the rotary cutter bar is of a hollow tubular structure, a conveying cavity is formed in the rotary cutter bar in a penetrating mode in the axis direction of the rotary cutter bar, a gradient dentition structure is arranged on the inner wall of the front end of the conveying cavity, and the gradient dentition structure is arranged in the axis direction of the conveying cavity; the pull rod is arranged to pull the hysteromyoma slice to promote the hysteromyoma slice to be conveyed to the rear end of the conveying cavity when the rotary cutter bar rotates; the rotary cutter head is fixedly connected to the front end of the rotary cutter bar and is used for cutting hysteromyoma; and a rotary cutting driving device is arranged in the operating handle, is in transmission connection with the rear end of the rotary cutter bar, and is configured to drive the rotary cutter bar to rotate by taking the axis of the rotary cutter bar as a rotating shaft. By means of the structural design, the rotary cutter can pull cut hysteromyoma slices to be conveyed backwards, continuity and high efficiency of an operation are ensured, and meanwhile diffusion of tissue fragments in an operation area is prevented.

The utility model discloses a hysteromyoma pulverizator, relates to the field of medical instruments, and provides a hysteromyoma pulverizator of which a structure in contact with tissue of a patient can be conveniently detached to be cleaned and disinfected. The hysteromyoma crusher comprises a shell, a driving device, a crushing sleeve, a crushing shaft and a suction structure, the machine shell comprises a main sleeve. The driving device comprises a driving shaft and a motor, and the driving shaft and the main sleeve are coaxially arranged and installed in the main sleeve; the crushing sleeve is located in front of the main sleeve, and the crushing sleeve and the main sleeve are coaxially arranged and detachably connected; the crushing shaft is located in the crushing sleeve and coaxially arranged with the crushing sleeve, the crushing shaft comprises a shaft body, a crushing head and a sealing sleeve, the shaft body is detachably connected with the driving shaft, the crushing head is connected with the front end of the shaft body, the sealing sleeve is arranged on the shaft body in a sleeving mode, and the sealing sleeve is matched with the crushing sleeve; a suction connector located in front of the sealing sleeve and close to the sealing sleeve is arranged on the lower portion of the smashing sleeve. The suction structure is connected with the suction connector.

The invention discloses a hysteromyoma or uterus body rotary cutting pulverizator, and relates to the technical field of pulverizators. The hysteromyoma or uterus body rotary cutting pulverizator comprises a handle and a scabbard which are arranged on a pulverizator body, a knife tube is inserted into the scabbard, a pulverizing knife is arranged at the end of the knife tube, the knife tube is inserted into the scabbard, the head of the scabbard is sleeved with a pulverizing bag, the side wall of the knife tube is fixedly sleeved with an L-shaped plate, and the side wall of the L-shaped plate is fixedly sleeved with the pulverizing bag. The L-shaped plate is detachably connected with the side wall of the handle through a mounting mechanism, a movable pipe is inserted into the knife pipe, and a fixing rod is inserted into the movable pipe. According to the hysteromyoma or uterine body rotary-cut crusher, during rotary-cut crushing, the crushing bag can be prevented from being damaged, the crusher is safer and more reliable, meanwhile, the hysteromyoma or uterine body can be pushed to abut against the crushing knife, automatic air blowing cleaning can be conducted on the crushing knife, and the rotary-cut crushing efficiency and effect of the crushing knife are guaranteed.

The utility model relates to medical instrument technical field, concretely relates to a cavity mirror tissue broken and take out ware, including sleeve, mobile column is arranged in the sleeve, drive assembly is arranged on the sleeve, the connecting sleeve is fixed on the end of mobile column, the protection box is fixed on the connecting sleeve, and the protection box is equipped with the slot for placing the tissue to be cut on, and the slot is close to the connecting sleeve, the connecting sleeve and protection box all have the elastic deformation characteristics, the tissue cutting assembly is arranged in the protection box, and the tissue cutting assembly can follow the protection box synchronous movement. The utility model, push metal cutting net one, under the cooperation of metal cutting net two and metal cutting net one, can cut the tissue (tumor) and break, when cutting is completed, rotates drive assembly and draws the connecting sleeve and protection box and contracts into the sleeve, thereby convenient to contract the tissue after cutting into the sleeve, is convenient to take out the tissue after cutting, and simple and convenient operation.

A thrombectomy device for removing thrombus from a body lumen comprises an elongated catheter member (2) having a distal part and a proximal part, a thrombus blocking body (5) disposed on the distal part of the catheter member and radially expansible between a contracted orientation and an expanded, thrombus-blocking, orientation, a thrombus capture body (3) disposed on the distal part of the catheter member in an axially spaced-apart relationship to the thrombus blocking body, and radially expansible between a contracted orientation and an expanded, thrombus-capture, orientation, deployment means actuable to deploy and retract the thrombus capture body and thrombus blocking body; and an elongated control arm operably connected to the thrombus capture body. The thrombus capture body is a cage having an inwardly tapering leading end, the elongated control arm is operably connected to the leading end of the cage, and a thrombus extractor or macerator mechanism is disposed within the cage.

1. Name of the product in this design: Disposable hysteroscopic tissue cutter. 2. Purpose of this design: To be used in conjunction with a hysteroscopic tissue resection power system for intrauterine surgery performed by trained gynecologists under hysteroscopic guidance to remove intrauterine tissues, including submucosal fibroids and endometrial polyps. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. Other situations requiring explanation: This product is of variable length and uses an abbreviated length drawing method.

The invention relates to a morcellator comprising a drive unit, an outer tube (2), and an inner tube (4). The outer tube has a cutting opening (3) at a distal end. The inner tube (4) is axially rotatable relative to the outer tube (2) by means of the drive unit by at least a predetermined angular range and has a cutting blade (13) at a distal end that interacts with the cutting opening (3). According to the invention, the drive unit is connected to a controller, which in turn is connected to a sensor unit. During operation, the sensor unit monitors the tissue removal and transmits corresponding measured values ​​to the controller. Depending on the measured values ​​transmitted by the sensor unit, the controller adjusts one or more parameters that determine the movement of the cutting blade.

The invention relates to a medical hose pump assembly comprising a motor housing (2), which has an impeller (6) on the outer face of the motor housing, and at least one replaceable hose cassette (20), in the interior of which at least one pump hose (30) is provided, wherein the motor housing (2) has a cassette receiving area (10) for receiving the hose cassette (20) on the outer face which has the impeller (6), the cassette receiving area being designed to releasably fix the hose cassette (20) to the motor housing (2), and the hose cassette (20) and the cassette receiving area (10) are designed such that, when the hose cassette (20) is fixed to the motor housing (2), the at least one pump hose (30) is in contact with the impeller (6). The invention further relates to a morcellation system having a medical hose pump assembly which is connected to a morcellation instrument in order to suction off liquid and tissue.

The utility model belongs to the technical field of medical instruments, and discloses a multi-angle outer knife tube and a tissue crusher. The multi-angle outer knife tube comprises a straight tube portion and a round head portion, the round head portion is connected to the end of the straight tube portion, the multi-angle outer knife tube is further provided with a first window, an inner cavity of the multi-angle outer knife tube can be exposed through the first window, and a protruding nozzle structure is formed on the round head portion. The protruding nozzle structure is used for wrapping the inner cutter pipe so as to limit the inner cutter pipe in the radial direction of the straight pipe part. The convex nozzle structure can increase the contact area between the convex nozzle structure and the inner cutter tube, so that the inner cutter tube is limited in the radial direction of the straight tube part, the phenomenon that the inner cutter tube deforms and is separated from the first window is reduced, the stability of the tissue crusher during working is improved, the damage rate is reduced, and the damage risk to healthy tissues is reduced. In addition, the multiple machining reference faces can enable the edge of the first window to form a sharper cutting edge, and the cutting efficiency can be improved.

The application provides a surgical dual-lens combined harvesting device for transvesical prostate enucleation, which comprises a working member, a pulverizer, a metal wire, a first camera and a second camera. The working member is an arc-bent rod structure, and a plurality of channels are formed in the working member. The corresponding channels are provided with the pulverizer, the metal wire, the first camera and the second camera. A feeding port is formed at the front end of the pulverizer and is used for enucleating gland tissue, pulverizing and recycling. The metal wire is used for pushing the stripping member forward and cutting and coagulating the gland tissue electrically. The first camera is used for monitoring the metal wire, and the second camera is used for monitoring the pulverizer. The device realizes synchronous enucleation and pulverizing and recycling through the bladder, avoids the free tissue under enucleation from occupying the surgical space and affecting the surgical vision, and thus improves the surgical safety and efficiency, and is suitable for popularization and use in primary hospitals.

The utility model provides an enucleation crushing device for an operation, and belongs to the technical research field of medical instruments. In order to solve the problems that an existing enucleation device is tedious in operation and inconvenient to use, a sealing piece is additionally arranged at the tail end of a water inlet and outlet channel, a laser enucleation channel is additionally arranged in the water inlet channel, and an endoscope channel is additionally arranged in a water outlet channel; when the laser enucleation device is used, the laser enucleation device is fixed in the laser enucleation channel through the third sealer, so that enucleation operation is started under the assistance of a cystoscope; after the enucleation is finished, the cystoscope is replaced by the nephroscope, the pulverizator is inserted into the first sealer through the first sealer for pulverizing operation, the laser enucleation device does not need to be pulled out in the operation process, the operation is simple, the negative pressure control device connected with the negative pressure aspirator does not need to be closed, water flow in the body of the patient can be always kept flowing, and the enucleation efficiency is improved. And therefore, the internal pressure of the surgical part of the patient can be kept stable, the use steps are simple, and the operation safety is high.

This application provides a laparoscopic uterine fibroid pulverization and collection device, including a sealable retrieval bag. The retrieval bag includes a first opening and a second opening. An expandable and retractable support frame is provided inside the first opening. A negative pressure component is integrated at the first opening corresponding to the support frame. The negative pressure component includes a suction cup with a negative pressure suction tube at its top. The negative pressure suction tube is used to connect to a negative pressure generator, allowing the suction cup to adhere to the surface of the fibroid. This relates to the field of medical device technology. The active gripping mechanism is directly integrated into the opening of the retrieval bag, enabling the surgeon to independently and stably control the position of the fibroid, avoiding interference with the pulverization instrument. At the same time, it ensures that all pulverization operations are performed within the completely sealed retrieval bag, effectively preventing tissue dissemination and improving the safety and efficiency of the surgery.

The invention relates to the technical field of medical apparatus and instruments, and discloses a fetching spreader and a fetching device.The fetching spreader comprises a fetching bag opening control assembly, a fetching bag spreading control assembly, a main body, a spreading execution assembly and an instrument channel; the instrument channel penetrates through the main body, the multiple opening execution assemblies are arranged around the instrument channel, and the instrument channel is used for allowing instruments to enter the fetching bag from the outside; instruments such as a crushing instrument can enter the fetching bag through the instrument channel to crush the tumor in the fetching bag, an additional opening is not needed to enter the fetching bag, and operations including opening of the fetching bag, crushing of the tissue, taking out and the like are only needed to be performed from one opening, so that the situation that the complexity of an operation is increased due to cooperation of multiple instrument channels is avoided; the opening execution assembly achieves opening of the fetching bag through a mechanical structure, the fetching bag does not need to be inflated, the risk of air leakage does not exist, and use is more reliable.

The invention relates to a medical hose pump assembly having an impeller (6) and at least one pump hose (30) enclosing the impeller (6) in a circumferential region, wherein the pump hose (30), in the portion thereof enclosing the impeller (6), bears against a counter bearing (40) on the pump hose exterior facing away from the impeller (6), and to an associated hose cassette. Furthermore, the invention relates to a morcellation system having a medical hose pump assembly which is connected to a morcellation instrument in order to suction off liquid and tissue.