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92 results about "Component fixation" patented technology

Transcatheter heart annuloplasty system

The invention belongs to the technical field of medical instruments and particularly relates to the technical field of interventional instruments in third-class medical instruments, in particular to a transcatheter heart annuloplasty system. The transcatheter heart annuloplasty system comprises a forming ring assembly, wherein the forming ring assembly comprises a macromolecular braided tube, an anchor nail, a contraction line and a bidirectional contraction device; a delivery assembly, wherein the delivery assembly is used for conveying the forming ring assembly to a target position; and a continuous anchoring assembly, wherein the continuous anchoring assembly is used for fixing the forming ring assembly to the target position. Through the bidirectional contraction device based on a compression spring, a friction disc and a wire spool, bidirectional contraction of a forming ring fixed to a valve is achieved, the strength and size of contraction of the valve are accurately adjusted, locking can be achieved at any time, a doctor is allowed to adjust the contraction degree of the valve according to different conditions of different patients, and the doctor is allowed to make adjustment in an opposite direction, so that the size change of the valve during continuous opening and closing is adapted, thus, the success rate of an operation is guaranteed, and secondary operation correction is avoided.
Owner:上海御瓣医疗科技有限公司

Tendon incising device

The invention discloses a tendon incising device. The device includes an incising body, an expansion assembly and a fixing component; the incising body includes an incising head and a connecting rod,and the incising head is connected with the connecting rod; the expansion assembly comprises an installation base and an extending component, the section of the installation base is of an inversely U-shaped structure, and the top of the installation base is provided with an operation window which is of a square structure and extends front and back; the extending component comprises two sliding rods and multiple medical drag hooks, the two sliding rods are arranged in the operation window and can slide leftwards and rightwards, and the opposite side walls of the two sliding rods are detachablyprovided with the medical drag hooks; the connecting rod is detachably arranged in the operation window and can slide front and back in the operation window; the fixing component is arranged on the bottom of the installation base and used for fixing the expansion assembly to the human body. The tendon incising device has the advantages that during an operation, the expansion assembly can substitute manual operation to expand an incision in the human body, and therefore the manpower is saved; after the operation, the expansion assembly can achieve an effect of insulating the incision to preventa patient from getting uncomfortable because the incision is touched by quilts and other objects.
Owner:PEKING UNIV SHENZHEN HOSPITAL

Drainage, puncture and positioning device for cardiothoracic surgery

InactiveCN111297452ASuitable for puncture needs of different partsAdsorption fixationSurgical needlesCatheterThoracic structureEngineering
The invention provides a drainage, puncture and positioning device for the cardiothoracic surgery. The device comprises a fixed sleeve, telescopic movable brackets, a fixing assembly and automatic supporting assemblies, wherein the fixing assembly and the fixed sleeve are rotationally connected through a rotating assembly, each telescopic movable bracket comprises a support I and a support II, thefixed sleeve and the support I are rotationally connected through a rotating assembly, one end, away from the fixed sleeve, of the support II is rotationally connected with the fixing assembly through a universal ball joint, and a plurality of automatic supporting assemblies are arranged on the fixing assembly in a matched manner. According to the four telescopic movable brackets, the inclinationdegree of the fixed sleeve can be adjusted by adjusting length of each telescopic movable bracket, and puncture demands of different parts in the thoracic cavity are met; and with adoption of the fixing assembly, air in a fixing rod is discharged by a push rod, so that the fixing rod is tightly adsorbed on the skin surface, adsorption and fixing functions are realized, the device can keep unchanged at a correct needle inserting point, a correct needle inserting angle and a correct needle inserting depth, and the inserted puncture needle is continuously fixed.
Owner:张红卫

Assembly for assisting tooth implantation in posterior tooth area

The invention discloses an assembly for assisting tooth implantation in a posterior tooth area, and belongs to the technical field of medical articles. The assembly for assisting tooth implantation inthe posterior region comprises a fixing assembly, a position-limiting assembly and a sleeve assembly, wherein the fixing assembly comprises a first clamping block and a second clamping block which are arranged oppositely, the top of the first clamping block is connected with the top of the second clamping block through an arch-shaped connecting assembly, the top of the connecting assembly is provided with a sliding hole, the position-limiting assembly comprises a clamping assembly, and a sliding block and a supporting assembly which are respectively arranged on two sides of the top of the clamping assembly, the sliding block penetrates the sliding hole and is in sliding fit with the sliding hole, the sliding block is fixedly connected with the connecting assembly, and the sleeve assemblyis connected with the clamping assembly. In the assembly for assisting tooth implantation in the posterior region, a relative position relationship between the position-limiting component and the fixing assembly is adjusted by sliding, thereby a position of the sleeve assembly is adjusted, and then a drilling position on the gum is adjusted, so that the entire assembly can meet a distance betweenteeth of different patients, and can be used repeatedly.
Owner:西南医科大学附属口腔医院

Convenient and fast dressing change device for orthopedics

InactiveCN110772389AEasy to removeEasy to handle dressing changesNursing accommodationDressing changeOrthopedic department
The invention discloses a convenient and fast dressing change device for orthopedics. The device includes a supporting rack, a supporting base and an elevating assembly; the supporting rack is movablyinstalled on the top of the supporting base and provided with an arc-shaped groove, and a cushion layer is detachably installed at the bottom of the groove; the front and back surface of the supporting rack are provided with multiple connecting assemblies along the circumference of the arc-shaped groove; the middle on the upper surface of the supporting base is provided with an installation groove; the elevating assembly is fixedly installed in the installation groove and includes air cylinders, a supporting plate and supporting columns; and the two air cylinders are symmetrically and vertically fixed at the bottom of the installation groove, and the supporting plate is fixed on the tops of piston rods inside the air cylinders. Through the arrangement of the elevating assembly, the heightof the injured part of a patient can be adjusted, and enwound gauze can be conveniently taken down; the workload of medical staff can be relatively reduced, and the medical staff can free their handsto perform treatment and dressing change on the wounds of the patients; and the device is simple in structure and convenient in operation.
Owner:杭州喜达医疗科技有限公司
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