140 results about "Anesthesia needle" patented technology

A system and method for regional anesthesia using ultrasound to assist in locating the anesthetic needle are disclosed. One or more piezo-electric crystal transducers is placed either at the tip of the needle or near the tip of the needle on a stylet which is inserted into the lumen of the needle. The transducer(s) are pulsed with ultrasonic frequency, the reflected ultrasonic signals from structures are detected and converted into a digital signal and may be displayed in an oscilloscopic format to indicate anatomical structures forward to the needle and allow the medical professional to avoid errors and / or increase efficiency and accuracy. An array of transducers can be pulsed in a phased array fashion to generate a 2D image, or a single transducer can be pulsed to generate a 1D image. A 2D image can also be obtained by mechanically sweeping a single transducer, for example by means of a miniature motor in or at the base of a needle or stylet.

A delivery system for dispensing sterile liquids into the oral cavity using a novel pre-angled needle guidance assembly attached to a conventional anesthetic needle and conventional anesthetic syringe loaded with a novel cartridge ampule containing a certain liquid solution. This system substantially improves the efficiency of delivering small amounts of sterile fluid to the oral cavity by hypodermic means or by irrigation means using pre-angled needle guidance assemblies to temporarily bend needles or cannulas in order to reach otherwise impossible-to-reach locations within the oral cavity while also providing the ability to dispose of used needles without re-bending and thus complying with federal OSHA, state OSHA, and state regulatory disposal regulations.

An anesthetic needle for medical use that is extremely easy to use is provided. The anesthetic needle includes an epidural needle (1) and an anesthetic needle (40) that is rotatably inserted into the epidural needle from a proximal end portion. The epidural needle is provided, at the proximal end portion, with a length adjusting mechanism (10) of a tube shape extending in an axial direction. The anesthetic needle is provided, at a proximal end portion, with an engaging portion (44) of a circular tube shape loosely fitted within the length adjusting mechanism of the epidural needle. A needle is inserted through a center portion of the engaging portion. A plurality of circumferential grooves (45) are juxtaposed axially on an outer peripheral surface of the engaging portion. The length adjusting mechanism is provided therein with an engaging projection (17). The engaging projection engages with the circumferential grooves to inhibit the axial movement of the anesthetic needle, while being slidable circumferentially with the circumferential grooves.

A regional anesthesia system and a cart for aiding in the placement of a regional anesthesia block without the need of ancillary assistance. The invention includes equipment for use in the performance of a regional anesthesia block which is carried on a cart for transporting and providing a stable foundation for the equipment. The equipment includes a nerve localization means such as ultrasound or a peripheral nerve stimulator for locating a target nerve of a patient, a position assist arm for maintaining the position of the localization means over the target nerve while the operator inserts an anesthetic needle over the target nerve, and an anesthetic infusion device for infusing or aspirating through the anesthesia needle. The infusion device includes an infusion pump controlled by a foot pedal. The system may be easily transported to a patient requiring a regional anesthesia block, and allows the regional anesthesia block to be performed with minimal ancillary assistance.

The invention provides directional puncture sampling equipment for treating hepatopathy. The problems of low positioning precision, low puncture efficiency, inaccurate positioning and inaccurate needle insertion depth in the prior art are solved. The equipment comprises a telescopic support which is connected with an upper fixed ring. A lower fixed ring is connected with the lower part of the upper fixed ring. An outer gear ring and an inner gear ring are rotationally arranged between the upper fixed ring and the lower fixed ring. A one-way wheel is coaxially mounted on the outer gear ring. Afirst gear is mounted on the lower fixed ring. A second gear is meshed beside the first gear. The second gear is meshed with the inner gear ring. A probe mounting groove is formed in the inner gear ring. A first stop block and a second stop block are rotationally arranged on the two sides of the probe mounting groove. An arc-shaped pressing plate is mounted in the probe mounting groove. An ultrasonic probe is mounted in the probe mounting groove. A puncture needle is mounted on the rear side of the one-way wheel. According to the invention, position conversion among the ultrasonic probe, a disinfection bottle, an anesthetic needle and the puncture needle can be achieved; and liver and puncture can be positioned more accurately.

The invention discloses an ultrasonically-guided peripheral nerve block anesthesia stereotactic puncture device. The ultrasonically-guided peripheral nerve block anesthesia stereotactic puncture device comprises an annular frame, a chain and a clamping device, wherein the annular frame is arranged on an ultrasonic probe; one end of the chain is hinged to the annular frame; the clamping device is arranged at the other end of the chain and is used for clamping an anesthetic needle to move in an imaging plane of the ultrasonic probe. By means of the ultrasonically-guided peripheral nerve block anesthesia stereotactic puncture device, the anesthetic needle is limited by the chain to move in the imaging plane of the ultrasonic probe, thereby solving the problems of high dosage of local anesthetics, prolonging of operation time and the like due to the fact that the anesthetic needle and an ultrasonic wave are not in the same plane.

An imaging, guidance, planning and treatment system integrated into a single unit or assembly of components, and a method for using same, that can be safely and effectively deployed to treat prostate cancer in all medical settings, including in a physician's office or in an outpatient setting. The system utilizes the novel process of Radio-Frequency Electrical Membrane Breakdown (“EMB” or “RFEMB”) to destroy the cellular membranes of unwanted or cancerous tissue without denaturing the intra-cellular contents of the cells comprising the tissue, thereby exposing tumor antigens and other intra-cellular components which can have an immunologic effect on local or distant cancerous tissue, with or without the addition of immunologic adjutant drugs. The system preferably comprises at least one EMB treatment probe 20, at least one trackable biopsy needle 200, at least one trackable anesthesia needle 300, and at least one controller unit for at least partially automating the treatment process.

The invention relates to a movable anesthesia cart, and belongs to the technical field of medical apparatuses and instruments. The movable anesthesia cart comprises a device bearing plate. A supporting steel frame is arranged on the left side of the device bearing plate. A transverse push rod is arranged on the supporting steel frame. Antiskid threads are arranged on the transverse push rod. Supporting leg bonding pieces are arranged on the lower side of the device bearing plate. An alloy connection rod is arranged on the right side of the device bearing plate. A storage battery, a stabilization base, an anesthesia needle processing box and a local anesthesia operation box are arranged on the upper side of the device bearing plate. An anesthesia effect testing cover is arranged at the tail end of an elastic connection rod. The movable anesthesia cart is complete in function and convenient to use, time and labor are saved before the pre-operation anesthesia is conducted on a patient by medical staff, the movable anesthesia cart is scientific, convenient to sue, safe, efficient, intelligent and accurate, and the work difficulty of the medical staff is lowered.

A medical anesthetic needle which comprise an outside needle and a mandrin inserted into the outer needle to freely move in and out, and is slightly bent upward at is tip when its needle axis is positioned horizontal. The mandrin is manufacture by a first step of cutting the tip end of a metallic wire such as stainless steel wires obliquely to form a blade surface which intersects the axis at a predetermined angle of the mandrin blade surface, a second step of cutting off that portion of the metallic wire, which extends from the underside of the wire up to a horizontal plane located at a higher level than the center line of the wire, in a columnar region between the upper end of the blade surface and a position rearwardly distant three times the diameter of the wire or more from the upper end, to form a blade tip, a split-columnar connection succeeding the blade tip, and a columnar portion succeeding the connection, and a third step of bending the connection in such a manner that the upper end of the blade surface becomes higher a predetermined distance than the upper surface of the columnar portion and the axis of the blade tip is inclined at a predetermined angle (theta) relative to the horizontal, and cutting the entire length of the mandrin into a predetermined length.

A system and method for regional anesthesia using ultrasound to assist in locating the anesthetic needle are disclosed. One or more piezo-electric crystal transducers is placed either at the tip of the needle or near the tip of the needle on a stylet which is inserted into the lumen of the needle. The transducer(s) are pulsed with ultrasonic frequency, the reflected ultrasonic signals from structures are detected and converted into a digital signal and may be displayed in an oscilloscopic format to indicate anatomical structures forward to the needle and allow the medical professional to avoid errors and / or increase efficiency and accuracy. An array of transducers can be pulsed in a phased array fashion to generate a 2D image, or a single transducer can be pulsed to generate a 1D image.

The invention discloses a locating-type anesthetic needle for intraspinal anesthesia. The locating-type anesthetic needle comprises a fixed base, a connection groove is formed in the top of the fixed base, and a first sealing plate is slidably connected with the inside of the connection groove hermetically; a moving base is fixedly installed at the top of the first sealing plate, an injection cavity is formed in the moving base, and a syringe needle is fixedly installed on the inner wall of the bottom of the injection cavity hermetically; the bottom of the syringe needle separately penetrates through the inner walls of the bottoms of the injection cavity and the connection groove and extends to the position above the fixed base, and the syringe needle is slidably connected with the inner wall of the bottom of the connection groove hermetically. The locating-type anesthetic needle is simple to operate, by rotating a threaded column, the longitudinal height of the syringe needle can be adjusted, then the syringe needle is inserted in the body of a patient, a pushing rod is pushed, and the patient can be subjected to anesthesia; due to the fact that the height of the syringe needle can be conveniently adjusted, when a medical worker uses the locating-type anesthetic needle, the difficulty can be reduced, and the locating-type anesthetic needle has certain simplicity and convenience.

An imaging, guidance, planning and treatment system integrated into a single unit or assembly of components, and a method for using same, that can be safely and effectively deployed to treat Benign Prostatic Hyperplasia in ail medical settings, including in a physician's office or in an outpatient setting. The system utilizes the novel process of Radio-Frequency Electrical Membrane Breakdown (“EMB” or “RFEMB”) to destroy the cellular membranes of unwanted BPH tissue without damaging sensitive anatomical structures in the prostate. The system preferably comprises at least one EMB treatment probe 20, at least one ultrasound scanner, at least one trackable anesthesia needle 300, and at least one controller unit for at least partially automating the treatment process.

The invention relates to a bone marrow aspiration extraction device with a positioning frame. The device comprises a bone marrow aspiration extraction needle and an aspiration positioning frame for auxiliary positioning in an aspiration process, A bone marrow aspiration needle includes a cylindrical housing, a aspiration needle, needle core assembly, Anesthesia needle and pulp withdrawal needle, alancet core assembly include a lancet core body and a lancet control handle, an anesthetic needle comprise an anesthetic syringe, a piston and a push-pull rod arranged in the anesthetic syringe. Thepulp extracting needle comprises a pulp extracting needle barrel, a piston arranged in the pulp extracting needle barrel and a push-pull rod; the anesthetic needle barrel and the pulp extracting needle barrel are respectively passed through the other two channels of the rotary cover; and the aspiration positioning frame comprises a rectangular frame, a positioning block, an aspiration block, a longitudinal positioning strip, a transverse positioning strip and four legs. The bone marrow aspiration needle not only can solve the problem of reducing the aspiration times, but also is provided witha positioning frame, which is convenient for medical personnel to carry out aspiration and bone marrow fluid extraction operation.

The invention relates to an anesthetic needle inserting device for the anesthesiology department. The anesthetic needle inserting device effectively solves the problem that the workload is increased due to the fact that more medical staff participate in anesthetic needle inserting injection in the prior art. According to the technical scheme, the anesthetic needle inserting device can position aninjection device on the portion, needing anesthetic injection, of a patient and carry out anesthetic injection on the patient through driving of a motor, medical staff do not need to participate in the whole process, and therefore the situation that a needle head shakes due to human factors is avoided; before anesthesia injection, the device can preferably clean and disinfect the injection part, then anesthesia injection is conducted on a patient through the injection device, after the injection device is pulled out, the pulled-out part of the needle head can be automatically pressed so as toavoid bleeding, the whole process is highly automatic, participation of medical staff is not needed, and time is saved for medical staff, so that doctors have more energy and time to prepare for subsequent operations.

The invention discloses a clinical positioning device for a nerve block anesthesia needle, and relates to the technical field of medical instruments. The clinical positioning device for the nerve block anesthesia needle comprises a supporting plate; a groove is formed just in the middle of the supporting plate; a spherical sliding block is glidingly connected in the groove; and a cylindrical groove is formed in the spherical sliding block. According to the clinical positioning device for the nerve block anesthesia needle in the invention, the arranged spherical sliding block slides in the groove; therefore, a needle head sleeve can be inclined in a proper angle by rotating the spherical sliding block; then, a threaded rod is rotated, so that the spherical sliding block is extruded and fixed through an extrusion block; then, an injection needle tube can be put into the cylindrical groove to perform injection; multi-angle injection of the injection needle tube can be realized; due to mutual matching among arranged supporting block, nut, screws, arc-shaped fixed blocks, spherical sliding block and cylindrical groove, an injector can be put into the cylindrical groove; then, the two arc-shaped fixed blocks are extruded by rotating the two screws; and thus, the fact that the two arc-shaped fixed blocks clamp and fix the upper side of the injection needle tube can be realized.

A self-sheathing injection assembly that includes a sheath protecting the medical professional from accidental punctures from the needle. The sheath is slidable to expose the end of the needle, and the sheath is lockable in the exposed condition with a detent mechanism. The separable needle assembly also includes features that firmly couples a carpule of medicine to the needle assembly, such that upon removal of the needle assembly after use the carpule remains attached to the needle for simultaneous disposal.

The invention discloses a positioning type anesthetic needle for intraspinal anesthesia. The anesthetic needle comprises a sleeving cylinder, a quantitative injection mechanism, an anesthetic needle mechanism and a positioning mechanism. Specifically, two rectangular through holes are symmetrically disposed in the sides of the sleeving cylinder, the quantitative injection mechanism is arranged inthe rectangular through holes, a base is slidably connected to the two rectangular through holes, the base is connected to the internal bottom of the sleeving cylinder through the positioning mechanism, the anesthetic needle mechanism is placed on the base, and a limiting mechanism is arranged on the anesthetic needle mechanism; the quantitative injection mechanism comprises a lantern ring, two connecting blocks are slidably connected to two inner sides of the lantern ring, and the two connecting blocks are respectively in sliding connection with the two rectangular through holes. The positioning type anesthetic needle for intraspinal anesthesia can achieve positioning of a push rod, avoids the situation that the intake dosage cannot be quantified due to uncontrollable strength, prevents certain trouble from being brought to the operation of medical staff, and is convenient for the medical staff to use.

The invention discloses an auxiliary anesthesia outfit for a clinical anesthesiology department, and belongs to the technical field of the clinical medicine. The auxiliary anesthesia outfit comprisesan anti-skid bottom plate and an anesthetic needle. The top of the anti-skid bottom plate is provided with a base. The top of the base is rotatably connected with a support rod. One side of the base is provided with a hand wheel for driving the support rod to be rotated. One side of the outer wall of the support rod is provided with a storage plate. The upper side of the outer wall of the supportrod is fixedly sheathed with a fixing block. The top end of the support rod is provided with a suspension bracket. The bottom of the suspension bracket is uniformly connected with a hanging hook. Thefixing block is connected with the anesthetic needle through a connecting belt. The auxiliary anesthesia outfit is simple in structure, convenient to use, and diversified in function. Through installing a needle cylinder on a connecting block, the anesthetic needle is stably held by a hand, and injection precision is high. An illuminating lamp can provide a good environment for anesthesia work. Anesthesia work efficiency is rapid, detaching is convenient, disinfection treatment is convenient, storage space is large, difficulty of the anesthesia work of a doctor is greatly reduced, and both time and labor are saved.

The invention relates to a processing method and processing equipment of an epidural anesthesia needle tube. The processing method of the epidural anesthesia needle tube comprises the following steps of (1) fixed-length cutting, (2) tube bending, (3) bevel connection cutting, (4) bevel connection sharpening, and (5) scale line manufacturing. The processing equipment of the epidural anesthesia needle tube comprises a tube bending fixture, a tube cutting fixture, a conductive grinding head and a needle storing fixture. According to the method and the equipment, with the adoption of special processing tools, the equipment is convenient to operate, time-saving, labor-saving and few in manufacturing procedures; with the adoption of electrolytic grinding, burrs can be washed away after subjected to electrolytic corrosion by an electrolytic solution through which direct current flows, and a processing surface is smooth and uniform; since a chemical corrosion method is adopted to form scale lines on the stainless steel needle tube or a stainless steel bar, the manufactured scale lines have smooth and bright surfaces, are clear, and are not faded easily; and a manufactured product is convenient to use.

An imaging, guidance, planning and treatment system integrated into a single unit or assembly of components, and a method for using same, that can be safely and effectively deployed to treat and ablate unwanted masses of adipose tissue in all medical settings, including in a physician's office or in an outpatient setting. The system utilizes the novel process of Radio-Frequency Electrical Membrane Breakdown (‘EMB’* or “RFEMB”) to destroy the cellular membranes of unwanted adipose tissue without damaging sensitive anatomical structures in the treatment, area. The system preferably comprises at least one EM B treatment probe 20, at least one ultrasound scanner, at least one trackable anesthesia needle 300, and at least one controller unit for at least partially automating the treatment process.

The invention discloses a vertical puncturing device for an anesthetic needle, which comprises a base, two sides of the top of the base are fixedly connected with a supporting plate, a first groove isformed in the base, a box body is fixedly connected with the top of the base and positioned on the opposite side of the supporting plate, the bottom of the inner wall of the box body is fixedly connected with a first sliding rail, the top of the first sliding rail is connected with a first sliding block, the top of the first sliding block is fixedly connected with a sliding block, one side of thesliding block is fixedly connected with a first spring, and the invention relates to the technical field of anesthesia needles. The anesthesia needle vertical puncturing device is arranged through the box body and the coordination of the sliding block, a movable block, a moving block and the first sliding block; when the needle shell and the needle head are fixed unsteadily, the needle head can be propped up to achieve the purpose of making the needle head and the needle shell firmer, and unnecessary damage to the patient is avoided, so that the work of the medical workers is more smoothly carried out, and more intelligent functions are added.

The invention provides an oral cavity anesthesia needle stable in medicine applying. The oral cavity anesthesia needle comprises a needle cylinder, wherein a limiting plate is arranged above the needle cylinder; a connecting rod is fixed to the lower end of the limiting plate; an electromagnet is connected to the middle part of the connecting rod, and is fixed to the upper wall of the needle cylinder; a connecting spring is fixed to a permanent magnet; the permanent magnet is embedded in a piston; the piston is arranged in the inner surface of the needle cylinder in a sliding manner; a controlswitch is arranged below a movable power source interface, and is fixed to the outer wall of the needle cylinder; a rubber handle is fixed to the needle cylinder; a medicine transporting head is arranged below a cone head of the needle cylinder; an illumination lamp seat is mounted on the left side of the medicine transporting head, and is placed below the cone head of the needle cylinder; a connecting cavity is formed between a movable connecting head and the medicine transporting head; and a needle head is mounted below the movable connecting head. The oral cavity anesthesia needle disclosed by the invention is novel in structure, easy and convenient to use and operate, high in practicality and long in service life.

The invention provides a portable anesthetic needle which includes a needle cylinder, a push rod, a piston, a needle head, a needle body protective sleeve and a push rod protective sleeve. The pistonis arranged in the needle cylinder, the push rod is disposed in the piston, the needle head is arranged at the front end of the needle cylinder, and the needle body protective sleeve is arranged outside the needle cylinder. The push rod protective sleeve is disposed on the left side of the needle body protective sleeve. The push rod protective sleeve comprises a sleeve, a buckle and a connecting plug. The connecting plug is arranged on the lower portion of the right end of the sleeve. The buckle is disposed on the left side of the connecting plug. Through the arrangement of the needle head, the needle body protective sleeve and the push rod protective sleeve, anesthesia liquid can evenly massively enter an anesthesia area, the anesthetic speed is accelerated, the anesthetic effect is improved, the needle inserting depth is precisely adjusted and controlled, the operation is simple, an anesthesiologist's work difficulty is reduced, the anesthetic needle is protected, and the anestheticneedle is convenient to carry while the waste of an anesthetic is avoided.

The invention relates to an auxiliary method for epidural anesthesia needle placing, and a device applied to epidural anesthesia needle placing. The device comprises a needle placing unit, a movementguiding unit and a control unit, wherein the movement guiding unit is used for driving the needle placing unit to move; the control unit is used for supporting and controlling the movement guiding unit; and the needle placing unit is mutually and electrically connected with the control unit. The auxiliary method comprises the following steps: S1, an objective point position of an objective regionis obtained, and the control unit controls the movement guiding unit to guide the needle placing unit to the objective point position; S2, the needle placing unit is driven to propel in a puncturing direction, the control unit receives an electrical signal fed back by the needle placing unit and judges whether a needle stopping signal is triggered or not according to the electrical signal, and ifyes, the control unit stops driving the needle placing unit; and S3, a puncturing result of the needle placing unit is judged, and a judged result is outputted. The auxiliary method disclosed by the invention is diversified in monitoring means, and scientific and reliable detection is performed on the puncturing process and the determination after puncturing, so that the possibility of erroneous judgment is greatly reduced.

The invention provides an angle-adjustable and positionable anesthesia needle injector. The angle-adjustable and positionable anesthesia needle injector comprises a placement frame, a pushing mechanism, a clamping assembly, an operating mechanism and a locking mechanism, wherein supporting columns are slidably connected to the side walls of the two ends of the placement frame through moving mechanisms; a fixed cylinder is fixedly installed in a box body; a sliding cylinder is slidably connected to the interior of the fixed cylinder; a moving rod is slidably connected to the interior of a sliding groove; a clamping plate is fixedly connected with the top of the moving rod; a box body is fixedly installed at the bottom of the placement frame; sliding rods are rotatably connected to the sidewalls of the two ends of the box body; the sliding rods are in threaded connection with the moving rod through threaded grooves; the operating mechanism is installed in the box body; and the locking mechanism is installed in the box body. The angle-adjustable and positionable anesthesia needle injector has the advantages that the angle position of the injector can be adjusted and fixed, and a doctor can conveniently inject anesthetic.

The invention discloses a needle for non-invasive anesthesia, which comprises a needle base and a needle tube arranged at the upper end of the needle base. The upper end of the needle tube is provided with a non-invasive anesthesia device. It is connected with the inner cavity of the needle tube, the non-invasive anesthesia device is a flat cuboid cavity, one of the flat surfaces of the flat cuboid cavity is an anesthesia surface, and the anesthesia surface is uniformly provided with a plurality of liquid outlets , the anesthesia surface is connected with a sponge block, the sponge block is consistent with the shape of the anesthesia surface and completely covers the multiple liquid outlet holes, and the non-invasive anesthesia device can also be a cylindrical cavity or a spherical cavity The cavity has the advantages of simple structure, low cost, safety and convenient use, and can help medical staff perform epidermal anesthesia or regional anesthesia for patients with quality and quantity.

The invention discloses a novel anesthetic needle device capable of continuous injection for an anesthesiology department. The device comprises a shell, an inner cavity is formed in the shell, a pressure transducer is arranged on the side surface of the inner cavity, a PLC is arranged on the side surface of the shell, a liquid outlet pipe is arranged in the position, close to the bottom surface, of the side surface of the shell, a second electromagnetic valve is arranged on the side surface of the liquid outlet pipe, the end portion of the liquid outlet pipe is provided with a connecting hose,a needle tube base is arranged on the end portion of the connecting hose, and a needle tube is arranged at the center of the side surface of the needle tube base. According to the novel anesthetic needle device capable of continuous injection for the anesthesiology department, the structure is reasonable, the practicability is high, and through a micro pressure pump, the liquid outlet pipe, the inner cavity, the connecting hose and the PLC, continuous injection can be conducted through an anesthetic needle; through the micro pressure pump, the pressure transducer and the PLC, the injection speed of the anesthetic needle is conveniently adjusted; through an observation window, the injection amount of the anesthetic needle and the residual amount in the inner cavity are conveniently observed, and accordingly the device is suitable for application and popularization.

The invention discloses an anesthetic needle for the anesthesiology department. The anesthetic needle comprises a baseboard, a piston cylinder is connected to one side of the upper surface of the baseboard through two L-shaped plates, a piston is arranged inside the piston cylinder, a first sucking pump and a second sucking pump are connected to the upper surface of the piston cylinder through bolts, an air inlet of the first sucking pump is connected with the upper end of the piston cylinder through a catheter, through the first sucking pump, the upper end of the piston cylinder can be inflated to press the piston to move downwards, in this way, a patient is injected, through the second sucking pump, gas at the upper end of the piston cylinder can be pumped to drive the piston to move upwards to suck up drugs, through a flow sensor, the injected drug dosage can be detected, and the drug dosage is more conveniently controlled. The anesthetic needle for the anesthesiology department issimple in structure and convenient to operate, the patient can be injected multiple times, the drug dosage is more conveniently controlled, and the workload of a doctor is lowered.