31 results about "Needle localization" patented technology

This invention discloses a method and apparatus to deliver medical devices to targeted locations within human tissues using imaging data. The method enables the target location to be obtained from one imaging system, followed by the use of a second imaging system to verify the final position of the device. In particular, the invention discloses a method based on the initial identification of tissue targets using MR imaging, followed by the use of ultrasound imaging to verify and monitor accurate needle positioning. The invention can be used for acquiring biopsy samples to determine the grade and stage of cancer in various tissues including the brain, breast, abdomen, spine, liver, and kidney. The method is also useful for delivery of markers to a specific site to facilitate surgical removal of diseased tissue, or for the targeted delivery of applicators that destroy diseased tissues in-situ.

A central venous catheter kit enables health care workers quickly and controllably gain ultrasound supported access to vascular tissue for catheterization. Ultrasound support requires gel for reducing acoustic impedance and reflectance loss, which gel is included in the kit, as well as at least two newly conceived devices, the first for gripping the guide wire in an otherwise gelled environment, and the second for marking the skin for proper needle localization. State of the art kit components are thus included in the kit, in addition to the scanning gel and the noted device(s). The devices each comprise certain finger- or digit-grippable structure, and textured surfacing for enhancing the frictional contact between the user's digits and the devices.

A wire protector to cover an exposed portion of a device inserted into an organism comprises a removable backing layer removably joined to an attachment layer, and a transparent covering layer. The wire protector has a first end and a protector strip, the first end including a site wall and a connector wall, the site wall defining an insertion site therein, the site wall further comprising one or more prongs, the prongs facing the insertion site, the protector strip comprising one or more strip walls, such that when the backing layer is removed from the attachment layer, first end is positioned over the device insertion site, the protector strip is positioned over the exposed portion of the device, the protector device covers the exposed device portion. The wire protector stabilizes and protects needle localization wires used in breast biopsies, and can be used for other implanted devices. Also disclosed is a method for covering such exposed portion of such inserted device.

The invention relates to the technical field of operation positioning and in particular relates to a puncture needle positioning system and method. The system comprises an ultrasonic unit, a punctureneedle unit and a processing and display unit, wherein the ultrasonic unit comprises a first probe for providing an ultrasonic section at an affected part; a plurality of first positioning devices forproviding coordinate information of the first probe are arranged on the first probe; the puncture needle unit comprises a puncture needle; a plurality of second positioning devices for providing coordinate information of the puncture needle are arranged on the puncture needle; and the processing and display unit is in communication connection with the ultrasonic unit, the first positioning devices and the second positioning devices respectively. By adopting the puncture needle positioning system provided by the invention, the precision of puncture via a chest wall can be greatly improved, andnot only are complications caused by repeated puncture effectively avoided, but also the time of puncture in an operation can be greatly shortened.

The invention discloses a compasses type cervical conization device. The device comprises a positioning block, an adjusting mechanism, a knife holder and a blade, wherein the positioning block is hinged with a swing rod through a hinge pin, a positioning needle is arranged below the positioning block, and a press handle is arranged above the positioning block; a support is arranged at the tail end of the swing rod, the knife holder device is mounted on the support, the blade is mounted at the lower end of the knife holder device, and the adjusting mechanism is arranged between the blade and the knife holder device. A tool is fixed firstly by the positioning block and a positioning needle head, then the swing rod is driven to rotate for a circle with the positioning block as the center, the swing rod carries the knife holder and the blade to rotate for a circle to perform conization on muscular tissue, and a conical cut block is formed. The device is simple and reasonable in structure, very convenient to operate and good in conization effect and has the size up to the standard. Different conization sizes, depths and shape standards are realized by adjusting the height, angle and longitudinal position of the knife holder.

The invention discloses a pancreas puncture positioner and a positioning method thereof, and belongs to the field of pancreas puncture. A pancreas puncture positioner comprises a fixing frame and further comprises a supporting frame connected to the fixing frame in a sliding mode, a positioning pipe is arranged on the supporting frame, a protection head is fixedly connected to the positioning pipe, and a cavity is formed in the positioning pipe. The sliding block is connected into the cavity in a sliding mode, a puncture needle is fixedly connected to the sliding block, a drainage tube is fixedly connected to the positioning tube, and the puncture needle is connected to the protection head in a sliding mode; the pancreas puncture device is easy to use and convenient to operate, the pancreas is positioned through the positioning pipe and the protection head, then the puncture needle is pulled through the pull rope to penetrate out of the protection head to puncture the pancreas, the trouble that a thin needle is used for positioning firstly and then inserted into a pipeline for puncture is reduced, the puncture treatment efficiency is improved, the operation time is shortened, and the pain of a patient is relieved.

This apparatus consist of three devices. The first device is latex free radiolucent small diameter piece of tubing with a small diameter opening in its center. The wire that is protruding from the patient is run through the small diameter opening. The tubing is long enough to fully cover the sharp ends of the wire. When the tubing has been placed over the wire, it is looped in a loose loop and held to the skin by a rectangle latex free adhesive bandage which has no adhesive in its center. The third device is used when the patient is waiting for surgery and the needle and wire are left in the breast. At this point an adjustable height cup is placed over the wire. The adjustable height cup has four tabs extending from its bottom which are used to hold the cup in place on the body over the wire.

The invention relates to the field of intelligent medical equipment, in particular to a robot puncture positioning method and device for biliary tract puncture, and the method comprises the steps: receiving a scanning request, and scanning a scanning target; collecting ultrasonic images during scanning, and establishing a one-to-one correspondence relation between the ultrasonic images and the spatial positions when the ultrasonic images are collected; defining the ultrasonic image which is most matched with a planning image layer in the ultrasonic images as a puncture layer; if no barrier exists on the puncture layer, taking the point, closest to the puncture target point, of the scanning target as a needle entering point, and taking the connecting line between the needle entering point and the puncture target point as a planned needle entering track; and then, when a caculated needle entering positioning channel and the planned needle entering track are not collinear, adjusting the needle entering positioning channel to be collinear with the planned needle entering track, and completing positioning of the needle entering positioning channel. The robot puncture positioning method and device are used for positioning a puncture channel, the puncture positioning precision is improved, and the needle puncture frequency is reduced.

The invention relates to a needle inserting and implanting guiding device for internal radiotherapy. The central hole channel is formed along the central axis of the rod-shaped main body; the axial needle penetrating channels are uniformly distributed in the circumferential direction of the rod-shaped main body and are parallel to the central hole channel; the inclined needle inlets are formed in the side part of the tail end of the rod-shaped main body; the inclined needle outlets are formed in the side part of the head end of the rod-shaped main body; the inclined needle inlets and the inclined needle outlets are in one-to-one correspondence and are communicated through inclined needle penetrating channels. The device is convenient for positioning the implanting needle and is simple in structure.

A portable medical spray includes a tubular body having a room defined therein and a canister is located in the room. A needle is located in the room and a nozzle is formed to the top end of the body. The nozzle has a passage defined therethrough and the passage communicates with the room. The passage is located corresponding to the needle. A holding portion is formed to outside of the body. The canister has medicine received therein. A breakable portion is formed to the top end of the canister and located corresponding to the needle. The medicine is ejected through the passage of the nozzle when the canister is pushed and the needle penetrates through the breakable portion of the canister.

The invention discloses a clinical special high-temperature and high-pressure bur disinfection box. The box comprises a box frame and a bur frame which is arranged on the box frame and enables a disinfection cavity to be formed in the box frame, wherein a through hole is formed in the machine needle frame; a machine needle positioning mechanism which is arranged in the through hole and is fixedly connected with the machine needle frame, wherein air holes communicated with the disinfection cavity are formed in the side surface and the bottom surface of the box frame, and the through hole is communicated with the disinfection cavity. The clinical special high-temperature and high-pressure bur disinfection box can effectively prevent disinfection personnel from being punctured by bur needles.

The invention relates to the technical field of medical instruments, and particularly relates to a spine minimally invasive eccentric porous light-transmitting positioning and guiding device and a using method thereof. The spine minimally invasive eccentric porous light-transmitting positioning and guiding device comprises a positioning and guiding body and a positioning and guiding needle, wherein one end of the positioning and guiding body is provided with a conical radian; the positioning and guiding body is provided with a plurality of first guiding needle through holes in the length direction; one first guiding needle through hole is formed along the central axis of the positioning and guiding body; the axes of the other first guiding needle through holes are perpendicular to different positions in the radial direction of the positioning and guiding body; a developing ring mounting hole is formed in the end, close to the conical radian, of each first guiding needle through hole; adeveloping ring is mounted in each developing ring mounting hole; and the positioning and guiding needle penetrates through the positioning and guiding body from the first guiding needle through holes. According to the spine minimally invasive eccentric porous light-transmitting positioning and guiding device and the using method thereof, the accurate position of a bone lesion is quickly found ina circle covering mode along different tracks with a single point as the reference, the size of the visual angle can be adjusted in the lesion position finding process, and the finding time of a nailfeeding point is greatly shortened.

An arthroscopic joint surgery device and method of use. The device has a tube and a knob with a hole that has an inner diameter matching the inner diameter of the tube and mates with the inner diameter of the tube. The tube and knob can be permanently attached or the knob can be configured to enable the knob to be unattached from the tube. The utilization of the device in this method enables surgeons to safely and efficiently locate the joint portals for the placement of the arthroscope and for a separate inflow portal. The arthroscope is in the proper position to visualize the whole joint. Damage to the joint surface cartilage is minimized. After needle localization of the joint under fluoroscopic guidance, the method uses the device to dilate a joint portal opening, such as an anteromedial ankle portal in preparation for the placement of the arthroscope or the posterolateral portal for the introduction of the inflow cannula. The method is performed under fluoroscopic guidance.

The invention discloses a joint synovial membrane biopsy needle structure and a usage method thereof. The joint synovial membrane biopsy needle structure comprises a sleeve, a cavity, a connecting sleeve, a mounting plate, a connecting pin, a liquid discharging hole, a bolt, a puncture needle, a positioning hole, a sliding pin, a spring, a threaded blade and a conical needle head, the invention discloses a joint synovial membrane biopsy needle structure and a usage method thereof. The synovial fluid extractor is ingenious in structure, powerful in function and easy to operate, joint effusion,namely synovial fluid, can be extracted by using the synovial fluid extractor, synovial membranes can also be extracted, the synovial fluid extractor has an instructive effect on diagnosis and treatment of arthritis, and in addition, synovial membrane tissue extraction plays a huge role in promoting scientific research of arthritis in scientific research.

The invention discloses a lumbar zygopophysis fusion screw fixing positioner and a using method thereof. The lumbar zygopophysis fusion screw fixing positioner comprises a positioner body, a positioning guide needle, a sighting device sleeve and a sighting guide needle. The positioner body comprises a longitudinal connecting rod, a positioning guide needle connecting rod, a transverse connecting rod, a sighting device sleeve support and a locking screw. The longitudinal connecting rods and the transverse connecting rods are movably connected to form a parallelogram structure; the sighting device sleeve support is fixed to the lower end of the longitudinal connecting rod. The sighting device sleeve is installed on the sighting device sleeve support. The sighting device sleeve is used for inserting a sighting guide needle; the positioning guide pin connecting rod is movably connected with the transverse connecting rod; a positioning guide pin is mounted in the positioning guide pin connecting rod; a fastening screw for fixing the positioning guide pin is arranged at the end part of the positioning guide pin connecting rod; the middle section of the needle body of the positioning guide needle is provided with a limiting buckle. The intervertebral disc/gap fusion minimally invasive surgery screw implantation device is simple in structure, screw implantation of the intervertebral disc/gap fusion minimally invasive surgery can be accurately achieved, the surgery efficiency is improved, the surgery risk is reduced, damage to nerves and blood vessels is avoided, and the intervertebral fusion effect is improved.