36results about How to "Shorten puncture time" patented technology

A blood collecting needle, which comprises: a needle tube having a human-body puncturing needle tube and a stopper-body puncturing needle tube, wherein the needle tube has an outer diameter having substantially the same dimension from a tip of the human-body puncturing needle tube to a tip of the stopper-body puncturing needle tube, the needle tube has an inner diameter having substantially the same dimension from the tip of the human-body puncturing needle tube to the tip of the stopper-body puncturing needle tube, and the blood collecting needle satisfies equation (1):

0.35≦D₁<0.70  (equation 1)

wherein D₁ represents the outer diameter (mm) of the needle tube.

The invention provides a TRUS image navigation multichannel prostate close-range radioactive seed implantation robot and relates to the field of medical apparatus and instruments for the purpose of overcoming the defects of a manual image navigation prostate close-range radioactive seed implantation operation. The TRUS image navigation multichannel prostate close-range radioactive seed implantation robot is composed of a rack, a bidirectional movement mechanism, a position adjustment mechanism, an electric seed implantation mechanism, a multichannel puncture mechanism and a TRUS image navigation mechanism. The TRUS image navigation multichannel prostate close-range radioactive seed implantation robot is structurally characterized in that through cooperative use of the bidirectional movement mechanism and the position adjustment mechanism, an outer needle of the electric seed implantation mechanism can be adjusted to a target height (primary location); when the bidirectional movement mechanism is combined with the multichannel puncture mechanism, a prostate tumor area puncture needle can be arranged, and the prostate can be fixed; when the electric seed implantation mechanism is combined with the TRUS image navigation mechanism, closed-loop control over the acupuncture needle position can be realized through image feedback, and the precision of seed implantation can be improved.

The invention relates to a three-dimensional puncture locating system comprising a bed plate, a mechanical arm arranged on the bed plate and a body surface locator, wherein the body surface locator comprises a support paste, a semi-spherical upper locating ring, a semi-spherical lower locating ring, a metal guide tube and a slide table. The upper locating ring and the lower locating ring are movably connected with the support paste; the upper locating ring and the lower locating ring are installed on the support paste in an intersecting manner; the upper and lower locating rings are provided with slide rails; the slide table can slide along the slide rails; the metal guide tube is arranged on the slide table which is also provided with a locking mechanism; when the locking mechanism is loosened, the slide table can slide along the slide rails, and when the locking mechanism is locked, the slide table cannot slide. The three-dimensional puncture locating system has the advantages that the body surface adjustable fixing device is provided, the metal guide tube is used for scanning guide, and human body parts or foci are accurately located and punctured according to extension lines; the mechanical arm is used for controlling a puncture needle or a curing instrument; dynamic location is achieved in a remote control manner or in a manual manner; through safe location of three points and one line, location, puncturing and treatment can be completed quickly.

The invention discloses a hard waist combined anesthesia puncture bag for automatically detecting the epidural space position. The hard waist combined anesthesia puncture bag comprises a push rod with tooth grooves, a spring, a spring baffle and an injector needle cylinder. The front portion of the push rod penetrates through the spring baffle to stretch into the injector needle cylinder, a piston is arranged at the top end of the front side of the push rod, and the spring baffle is fixed to the injector needle cylinder. The push rod is sleeved with the spring, the front end of the spring is connected to the piston, and the rear end of the spring is connected to the spring baffle. A lock catch matched with the tooth grooves is arranged on the spring baffle. The subjective judgment of an anesthetist and the visual effect are organically combined, a puncture needle is prevented from penetrating through the endorhachis, and the hard waist combined anesthesia puncture bag is safer and more effective for a patient and more practical and more reliable for the anesthetist.

The invention provides a medium thickness stainless steel plate rapid perforating process. The process comprises following steps of firstly, deep blasting, wherein a cutting head with the laser powerbeing larger than or equal to 3000 watts is used for cutting, the height between the cutting head and the surface of a panel is set to range from 12 to 16 mm, the duty ratio ranges from 55 to 75%, theoxygen with the air pressure being 0.6 Bar to 1.2 Bar is adopted, the frequency ranges from 8 to 20 Hz, the focal position is below the surface of the board to be cut by 50 to 70%, and the laser radiation time ranges from 0.5 S to 1.5 S; secondly, slag purging, wherein the height of the cutting head is adjusted to the position away from the surface of the board by 10 mm, nitrogen with the pressure being 4 Bar is used, and the board is purged by 1S to 2S; and thirdly, perforating, wherein the cutting head with the power being larger than or equal to 3000 watts is used, the cutting head is adjusted to the position above the surface of the board by 16 mm, and cutting and perforating are carried out. The oxygen deep blasting is used, the material is carbonized, the nitrogen with the high pressure is used for blowing off carbonized slag, the too much surface slag stacking caused by long perforating time can be greatly reduced, after perforating, cutting connection is stable, and cutting stability is ensured.

The invention provides a microwave ablation needle which comprises an ablation needle head, an ablation needle tube, a handle and a fixing frame. The ablation needle head is of a hollow structure, a guide wire is arranged in the ablation needle head, a guide tube externally sleeves the ablation needle head, the ablation needle head can axially move along with the guide tube, the handle is connected with a pushing device for pushing the ablation needle head to move along the axial direction of the guide tube, and the pushing device is arranged at one end of the handle far away from the ablation needle head. According to the microwave ablation needle, the microwave ablation needle is arranged in the guide tube and pushed to perform puncture by the pushing device, puncture accuracy and stability are improved, bending or breaking of the microwave ablation needle in the puncture process is effectively avoided, injury to human tissues is decreased, puncture time is shortened, and surgical risks are reduced.

The invention provides a simulated blood vessel puncture simulation training device, a simulated blood vessel is pre-buried in a human tissue module and liquid is injected into the simulated blood vessel through pressurization; during puncture training, simulated human body tissue is observed through ultrasonic waves, a needle tip is inserted from a skin layer of the simulated human body tissue, and the needle tip is guided to be inserted into the simulated blood vessel through an ultrasonic display panel; and when the needle tip is inserted into the simulated blood vessel and due to the factthat simulated blood is injected into the simulated blood vessel through pressurization by a liquid storage bag, the simulated blood flows back into a needle tube through the needle tip, and the training personnel can clearly know that the puncture is completed through the ultrasonic waves and observation of the backflow of the blood. According to the puncture simulation training device in the invention, animal tissue is adopted as a puncture simulation module, due to the same as the human body tissue, the degree of simulation is improved, the pinholes are not obvious even through repeated puncture, and the fidelity of puncture training is improved as the feeling of touching the blood vessel under the skin layer by hands and the falling feeling of needle injection are similar to a real person during puncture.

The invention discloses a visible pneumoperitoneum puncture needle, which relates to the technical field of medical instruments. It includes a puncture needle, a needle tube, a handle, an air outlet, a camera, a regulating valve, and an air injection port. The puncture needle is sleeved on the front end of the needle tube. A regulating valve is installed on the tube body at the rear of the handle, and the end of the needle tube is an air injection port. The camera is connected to the camera connection line, and the camera connection line passes through the needle body behind the handle. The end of the camera connection line is connected to a joint, and the other joint It is connected to the display screen through the display cable, and when the two connectors are connected, the images collected by the camera can be transmitted and displayed. The invention has accurate puncture positioning, saves operation time, reduces patient injuries, reduces operation risks, and is easy to popularize and use.

The invention relates to medical instruments, in particular to a puncture template navigating and positioning device. The puncture template navigating and positioning device comprises a fixed base, afixed guide rail, a sliding base, a stand-column guide rail, a lifting slide, a horizontal guide rail mounting base, a horizontal guide rail, a horizontal slide, a vertical guide rail mounting base, avertical guide rail, a fixed joint, a first movable joint, a second movable joint, an electronic gyroscope, a puncture template, a Bluetooth signal transmitter, and a Bluetooth signal receiving and displaying device. The puncture template navigating and positioning device has the advantages that the puncture template can be adjusted in any direction in a space to adjust the puncture angle of thepuncture template, and the puncture angle can be displayed on the Bluetooth signal receiving and displaying device to be determined accurately, so that error rate is reduced greatly, simplicity in simple and accurate positioning are achieved, puncture success rate is increased, puncture time is shortened, technical difficulty is reduced, detection rate and cure rate of tumors are increased, and patients' pain is relieved.

The invention discloses a puncture body surface location fence and a use method thereof. The location fence comprises a fixing frame, a plurality of fence lines are arranged in the fixing frame alongthe width direction, a longitudinal location plate is arranged on wide frame edges of the fixing frame, is parallel to the fence lines and comprises a plurality of location blocks, a plurality of hollowed-out grooves are formed in the longitudinal location plate in a front and back penetrating manner and formed in the location blocks in a one-to-one corresponding manner, the hollowed-out grooves are perpendicular to the fence lines, the horizontal projections of the hollowed-out grooves are different from each other, the tops of the location blocks are provided with longitudinal markers in shapes corresponding to those of the hollowed-out grooves, and a transverse location plate is arranged on long frame edges of the fixing frame and provided with transverse markers. The use method includes the steps: (1) fixing the fixing frame to a body surface; (2) performing DSA (digital subtraction angiography) CT (computed tomography) imaging to obtain a CT image; (3) determining penetration points and the like. The puncture body surface location fence is high in accuracy and convenient to use.

The invention provides a sacrum nerve puncture path simulation planning system and device, and relates to puncture operation simulation. The sacrum nerve puncture path simulation planning system comprises an image obtaining module and a path simulation planning module, and the image obtaining module is configured to obtain scanning images of sacrum, sacral foramen and a positioning grid located at a lumbosacral part; and the path simulation planning module is configured to establish a three-dimensional model of the sacrum, the sacral foramen and the positioning grid according to the scanned image, and acquire a virtual puncture path penetrating through the positioning grid to reach a sacrum set position and an intersection point of the positioning grid and the virtual puncture path according to the three-dimensional model. The problems that at present, sacral nerve holes are directly punctured for many times, and pain of patients is large are solved. By acquiring the scanning images of the positioning grid, sacrum and sacral foramen, taking the positioning grid as a positioning reference, reconstructing the three-dimensional model of the sacrum, the sacral foramen and the positioning grid, taking a reference of penetrating through the positioning grid to reach a sacrum set position, and establishing a plurality of virtual puncture paths, a human organ state and an actual puncture process are simulated.

The invention discloses an ultrasonic-guided mammary gland puncture device. The ultrasonic-guided mammary gland puncture device comprises an outer ring, an inner ring and a fixed disc; the outer ringand the inner ring are semicircular structures; the inner ring is composed of an upper inner ring body and a side inner ring body; furthermore, the upper inner ring body and the side inner ring body are spliced to form a semicircular structure; the periphery of the surface of the inner wall of the outer ring is fixedly connected with a fixed base; a sliding groove is arranged in the other end of the fixed base; the bottom in the sliding groove is fixedly connected with a first spring; the other end of the first spring is fixedly connected with a connecting rod; the side surface of the connecting rod is in contact connection with the side surface of the sliding groove; furthermore, the other end of the connecting rod is fixedly connected with the outer walls of the upper inner ring body andthe side inner ring body respectively; a puncture cylinder is installed between the side inner ring body and the outer ring; and the outer surface of one end of the inner side of the puncture cylinder is in contact connection with the inside of the side inner ring body. The ultrasonic-guided mammary gland puncture device disclosed by the invention has a better breast fixing effect, is more beneficial to subsequent mammary gland puncture, and can effectively reduce the pain of a patient caused by mammary gland puncture.

The invention discloses an invasive arterial blood pressure monitoring device. The invasive arterial blood pressure monitoring device comprises a pressure connecting pipe filled with a pipe flushing liquid and provided with a switch, a continuous flushing system and an electronic monitor, wherein one end of the pressure connecting pipe is connected with an artery puncture needle, and the other end of the pressure connecting pipe is connected with the electronic monitor; a three-way joint A, a liquid extracting device and a transducer are sequentially arranged from the end, connected with the artery puncture needle, of the pressure connecting pipe to the end, connected with the electronic monitor, of the pressure connecting pipe; and the transducer is connected with a pressurizing bag. When the invasive arterial blood pressure monitoring device is used for invasive arterial blood pressure monitoring, according to arterial blood pressure waveforms on the electronic monitor, digital guidance of operation can be realized, and whether the artery puncture needle punctures in place is judged, so that the puncture success rate is improved and the puncture time is shortened.

The invention discloses a positioning and guiding ablation probe which comprises an ablation probe body. The ablation probe body comprises a guide puncture probe, a bourdon tube, a guide connecting piece, a guide rod, a guide control device and ablation electrodes. The guide puncture probe, the bourdon tube and the guide rod are sequentially connected. The guide connecting piece is arranged in the bourdon tube. The guide control device adjusts the puncture path of the guide puncture probe through the guide connecting piece and controls the elastic strain of the bourdon tube to adjust the puncture force of the probe. The ablation electrodes are evenly distributed on the peripheral sides of the bourdon tube and the guide rod. According to the positioning and guiding ablation probe, the puncture path of a puncture ablation needle can be controlled to deflect under the condition that puncture force is guaranteed, so that the puncture ablation needle can accurately reach an expected target puncture position; and a therapeutic electrode can be selected according to the form of the ablation tissue, and the purpose of more thorough and conformal treatment is achieved. According to the invention, the difficulty of a puncture operation of a doctor is reduced, the puncture time is shortened, the ablation efficiency and the treatment rate are improved, and meanwhile, the popularization of a minimally invasive ablation technology is also facilitated.

The invention provides a handheld puncture device and a control method, the handheld puncture device is used for assisting puncture of a medical needle, and the handheld puncture device comprises a base body which is provided with a handle and a user input device used for receiving preset needle inserting information; a motor with a mover; a transmission mechanism is connected with the motor, and the transmission mechanism comprises a moving part used for connecting and fixing the medical needle; and a controller is used for controlling the operation of the motor according to the preset needle inserting information. According to the embodiment of the invention, the pain of a patient caused by misoperation of a doctor performing medical needle puncture can be reduced.

The invention discloses a traditional Chinese medicine prescription for increasing a success rate of PICC (Peripherally Inserted Central Catheter) puncturing by expanding a peripheral blood vessel. The traditional Chinese medicine prescription comprises the following components: 1-3 parts of ground beetle, 1-5 parts of panax notoginseng, 2-5 parts of leech, 2-5 parts of lumbricus, 3-5 parts of peach kernel, 3-10 parts of carthamus tinctorius, 3-5 parts of radix aucklandiae, 3-5 parts of radix curcumae, 2-5 parts of cowherb seed, 2-5 parts of cacumen biotae, 2-5 parts of radix clematidis, 2-5 parts of folium ginkgo, 3-5 parts of achyranthes bidentata, 2-5 parts of eucommia, 3-10 parts of ligusticum wallichii, 3-10 parts of caulis spatholobi, 2-5 parts of radix linderae, 1-3 parts of notopterygium root, 1-5 parts of ramulus cinnamomi, 1-3 parts of ramulus mori, 1-2 parts of rosin, 1-3 parts of polygonum cuspidatum, 2-5 parts of flos chrysanthemi indici, 2-5 parts of herba violae, 2-5 parts of salvia miltiorrhiza, 1-5 parts of rhizoma corydalis and 2-5 parts of Chinese angelica. The traditional Chinese medicine prescription lowers the treatment cost, can obviously expand the blood vessel, can reduce mechanical phlebitis caused by a fine blood vessel during puncturing, raises a comfort level of a patient, and has wide clinic popularization significance.

The invention relates to the field of medical instruments, in particular to a deep venipuncture needle which comprises a puncture needle body, wherein the puncture needle body is a slender needle bar; the rear half of the needle bar is bent into a puncture needle circle part; the extension part at the left side end of the puncture needle circle part serves as a puncture needle front end part; the right side end of the puncture needle circle part serves as a puncture needle tail end. The slender needle bar is adopted, the rear half of the needle bar is bent into a circle, the puncture needle front end part and the puncture needle tail end are on the same horizontal line, and a syringe interface is connected to the puncture needle tail end. A guiding conducting wire is replaced by the puncture needle body, so that puncture time is reduced, and hazards of puncture failure and vessel damage are reduced.

The invention relates to the technical field of puncture devices, in particular to a multifunctional puncture guide wire leading-in device. The device comprises a guide wire channel, a puncture needle connecting pipe, a liquid inlet pipe, a flow stopping clamp, a three-way connector and a liquid supply positive pressure valve; an upper end opening of the guide wire channel is in a horn shape, and the lower end of the guide wire channel is connected with the puncture needle connecting pipe. The lower end of the liquid inlet pipe is connected to the side wall of the guide wire channel, and the liquid inlet pipe is communicated with an inner cavity channel of the guide wire channel. The flow stopping clamp is connected to the liquid inlet pipe, and an upper end opening of the liquid inlet pipe is connected with a first end opening of the three-way connector. And the liquid supply positive pressure valve is connected to a second port of the three-way joint. The guide wire leading-in device can avoid the situation that a guide wire is difficult to place due to the fact that needle point displacement is prone to occurring in the traditional two-step puncture process, the requirement for the operation skill of an operator is low, and the guide wire leading-in device has more advantages on puncture of a fine part.

The invention discloses a puncture guide device and a puncture method, applied to an ultrasonic probe. The guide device is arranged on an ultrasonic probe shell; the guide device comprises a navigation light source; the navigation light source can project a linear projection plane on a to-be-punctured object; and the projection plane is located in a lateral direction of the ultrasonic probe. The puncture guide device provided by the invention, by virtue of the navigation light source and the generated projection plane thereof, can rapidly guide in-plane puncture, so as to facilitate a bared-hand puncture operation, improve puncture efficiency and a success rate and to shorten a puncture time. The puncture guide device provided by the invention is applicable to ultrasonic puncture.