14 results about "Paracentesis" patented technology

The invention relates to the technical field of clinical medical instruments and operation, and discloses a safe and high-success-rate operation method and system for sternum marrow puncture. The invention provides a closed-loop solution based on multi-modal information fusion and intelligent control in order to solve the pain points that traditional sternum paracentesis highly depends on experience of doctors, the complication risk is high and the success rate is unstable. According to the method, a patient personalized three-dimensional model is constructed through images such as preoperative CT or intraoperative ultrasound, risk early warning is conducted through a machine learning model, and an optimal puncture track is generated through a path planning algorithm. The core innovation of the method is as follows: in the puncture process, real-time image navigation and needle point pressure feedback are dynamically combined, and the subjective'falling sense 'is quantified into objective data for the first time so as to accurately control the depth; a set of intelligent safety braking system is integrated, the puncture needle can be automatically locked when it is monitored that thrust is abnormal, and the fatal risk that the heart and great blood vessels are damaged due to too deep puncture is actively avoided.

The utility model discloses a fixing device for a salt bag used after internal jugular vein paracentesis. Comprising a box body with an opening in the bottom, a containing bag mechanism fixedly arranged at the bottom of the box body and used for containing a salt bag, a countdown reminding mechanism fixedly arranged on the box body, a first neck fixing belt, a second neck fixing belt and a pressure applying mechanism, wherein the first neck fixing belt and the second neck fixing belt are oppositely and fixedly arranged on the outer side face of the box body; the pressure applying mechanism is arranged on the box body and can apply pressure to the salt bag placed in the containing bag mechanism; wherein the first neck fixing band and the second neck fixing band are matched with each other and can be limited on the neck. The position of the salt bag is fixed by a mechanical structure instead of a mode of holding the salt bag by hands, so that the physical strength of people can be reduced, the operation is simple, and the use is convenient. And the countdown reminding mechanism can give an alarm for reminding after the salt bag compression time reaches the set time, the situation that the salt bag compression time far exceeds the set time can be effectively avoided, and potential safety hazards can be reduced. The salt bag fixing device is suitable for being used for fixing the position of the salt bag after the internal jugular vein puncture operation.

A needle thoracostomy device with a venting device, a deployment device, and a positioning device. The venting device is configured to vent a pleural cavity of a patient. The deployment device is removably attached to the venting device and is configured to perform a needle thoracostomy to attach the venting device to the patient. The deployment device has a release mechanism which, when moved to a released position, allows the deployment device to be separated and lifted away from the venting device. The positioning device is configured to removably engage with at least one of the deployment device and the venting device to correctly position the deployment device and the venting device on the patient for the needle thoracostomy. The positioning device may position the deployment device and the venting device based on anatomical landmarks.

The application discloses a phase decorrelation-based abdominal puncture path determination method and system, and relates to the technical field of medical auxiliary measurement. The method comprises the following steps: acquiring an abdominal image, ascites pressure dynamics and abdominal blood flow pulsation data of a patient; extracting periodic fluctuation characteristics of the pressure data, and dynamically calibrating the image anatomical region according to the characteristics to obtain a candidate region; performing phase decorrelation analysis on the fluctuation characteristics of the region and the abdominal blood flow pulsation data to exclude the adjacent region of the blood vessel and obtain a target cavity region; constructing a puncture path prediction model based on the target cavity region and outputting path data; and finally, performing safety determination on the path data, and outputting a puncture positioning point when the path data is within a preset length range, the pressure gradient is stable, and the decorrelation condition is met. The system comprises corresponding modules for executing the above steps. Through multi-modal data fusion and dynamic analysis, the application realizes accurate planning and safety verification of the puncture point, and reduces the risk of damaging blood vessels and intestinal tracts in abdominal puncture.

This invention relates to the field of medical device technology, and in particular to a post-abdominal paracentesis anti-leakage device, comprising: a fixing part for fixing to the skin around the puncture site; a pressurizing part disposed on the fixing part for applying adjustable output pressure to the puncture site; a sensor assembly for directly or indirectly acquiring signals of changes in intra-abdominal pressure; and a control assembly electrically connected to the sensor assembly and the pressurizing part, respectively, for receiving and analyzing data transmitted by the sensor assembly, generating control commands based on the analysis results, and adjusting the output pressure of the pressurizing part on the puncture site. This achieves intelligent adjustment of the anti-leakage device's output pressure on the puncture site according to intra-abdominal pressure, so that when the patient is in a low-abdominal-pressure state such as lying flat, low output pressure is used to achieve anti-leakage and improve comfort, while when the patient is in a high-abdominal-pressure state such as sitting up, defecating, coughing, or sneezing, high output pressure is used to achieve anti-leakage.

The utility model provides a pressurizing hemostasis pressure band used after kidney paracentesis, which comprises a fixing structure, a connecting structure, a filling structure and a pressurizing structure, the fixing structure is arranged on one side of the connecting structure, the fixing structure and the connecting structure are connected in a sewing mode, the connecting structure is arranged on the outer side of the filling structure, and the pressurizing structure is arranged on the outer side of the filling structure. The filling structure is directly placed in the connecting structure, the filling structure is arranged on one side of the pressurizing structure, and the filling structure and the pressurizing structure are connected through the connecting structure; after the pressure belt is used, the hook-and-loop fastener can be torn down, the adhesive film and the connecting structure are separated, the position, provided with the hook-and-loop fastener, of a new adhesive film is adhered to the hook-and-loop fastener of the connecting device and can be repeatedly used, meanwhile, the anti-slip strip and the adhesive film are designed, the wound position is simply, conveniently and rapidly fixed, the pressure belt is not prone to displacement, and the pressure belt is convenient to use. The problem that a traditional pressure belt moves due to poor fixing performance and repeatedly rubs and touches the wound position to cause secondary trauma is solved.

FIELD: medicine; ophthalmology.SUBSTANCE: after performing phacoemulsification, linear incisions are made in the anterior capsule from the edge of the capsulorhexis to the vault of the capsular bag in opposite meridians, forming a 1 mm wide flap. Next, the flap is removed and pinched in the previously formed coloboma of the iris. In a particular case, if necessary, the flap is additionally pinched in the paracentesis, after which the paracentesis is sutured.EFFECT: reliable fixation, a sufficient level of tension and anatomically correct position of the IOL, and preventing its rotation, ensuring the absence of refractive shift.2 cl, 10 dwg, 2 ex

A needle thoracostomy device with a venting device, a deployment device, and a positioning device. The venting device is configured to vent a pleural cavity of a patient. The deployment device is removably attached to the venting device and is configured to perform a needle thoracostomy to attach the venting device to the patient. The deployment device has a release mechanism which, when moved to a released position, allows the deployment device to be separated and lifted away from the venting device. The positioning device is configured to removably engage with at least one of the deployment device and the venting device to correctly position the deployment device and the venting device on the patient for the needle thoracostomy. The positioning device may position the deployment device and the venting device based on anatomical landmarks.

The invention discloses a seep-proof extraction assisting device for seroperitoneum puncture, and relates to the technical field of seroperitoneum puncture, the seep-proof extraction assisting device for seroperitoneum puncture comprises a puncture tube used for seroperitoneum puncture drainage, the outer side of the puncture tube is provided with scale marks used for puncture depth identification, and the scale marks are arranged on the outer side of the puncture tube. The device further comprises a traction pulling assembly which is arranged on the outer side of the puncture tube and used for assisting in traction pulling of the puncture tube, an installation assembly used for assisting in installation and connection of the traction pulling assembly is arranged between the traction pulling assembly and the puncture opening, and the traction pulling assembly comprises a fan-shaped plate. An arc-shaped groove is formed in the side, facing the puncture tube, of the fan-shaped plate. In the process of seroperitoneum puncture and extraction operation, through mutual cooperation of the traction pulling assembly, the blocking assembly, the sealing assembly and other components, the probability that internal liquid seeps outwards from the annular gap of the puncture opening in the puncture process is reduced, and normal puncture and extraction operation is guaranteed.

The invention relates to an atrial septum shunt stoma system, and belongs to the technical field of medical instruments. According to the system, the pushing tube movably penetrates through the conveying sheath tube, the cutter is arranged at the far end of the pushing tube, the balloon is arranged on the outer wall of the pushing tube, and the ablation electrode is arranged on the outer wall of the balloon, so that after percutaneous atrial septum paracentesis, the system can be used for cutting and ablating the atrial septum; divided stoma of the atrial septum is achieved, the tissue regeneration capacity of the atrial septum is reduced, the stability of the stoma size is guaranteed, and the situation that the stoma size is reduced or closed due to subsequent atrial septum intimal hyperplasia is avoided.

The invention relates to the technical field of medical instruments, and particularly discloses a disposable hemostatic balloon system for percutaneous paracentesis and a hemostatic method of the disposable hemostatic balloon system. The system comprises a balloon catheter unit and a pressurizing control unit. The balloon catheter unit comprises a balloon, a catheter and a developing mark, the far end of the catheter is of a closed structure, and one or more catheter air holes are formed in the side wall of the catheter to achieve fluid injection. The pressurizing control unit comprises a one-way valve mechanism and a locking and sealing mechanism and is used for controlling the balloon to be filled and fixedly sealed with the catheter. The balloon is conveyed to the interior of a wound to be filled, direct and uniform compression on a bleeding point is achieved, and the device has the advantages of being reliable in hemostasis effect, easy, convenient and visual to operate, high in safety and suitable for various puncture applications.

The invention provides an auxiliary operation device for bone marrow lumbar vertebra paracentesis of a child patient, and relates to the technical field of medical apparatuses and instruments. Two groups of limiting holes are formed in the bottom plate, a group of fixing frames are clamped and mounted at the top of the bottom plate, and a group of inserting rods are slidably mounted at each of the two ends of each fixing frame; the height and the supporting depth of the movable frame and the puncture frame can be adjusted by rotating the adjusting screw rod and the connecting screw rod, and the puncture frame is adjusted according to needs through sliding and the action of the elastic piece. The puncture depth of the puncture needle can be controlled by rotating the limiting screw to improve the safety; the device can be quickly disassembled, assembled and maintained through structures such as an inserting rod and a positioning block; the problem that the height and the supporting depth of the puncture frame are difficult to flexibly and accurately adjust according to body characteristics and requirements of a child patient is solved; puncture depth control lacks an effective on-demand adjusting mechanism, and safety cannot be guaranteed; the device is complex in structure and tedious to disassemble and assemble, the medical burden is increased, the treatment opportunity may be delayed, and the effect is affected.

A needle thoracostomy device with a venting device, a deployment device, and a positioning device. The venting device is configured to vent a pleural cavity of a patient. The deployment device is removably attached to the venting device and is configured to perform a needle thoracostomy to attach the venting device to the patient. The deployment device has a release mechanism which, when moved to a released position, allows the deployment device to be separated and lifted away from the venting device. The positioning device is configured to removably engage with at least one of the deployment device and the venting device to correctly position the deployment device and the venting device on the patient for the needle thoracostomy. The positioning device may position the deployment device and the venting device based on anatomical landmarks.

The utility model relates to a device for preventing forearm osteofascia syndrome after radial artery paracentesis, which comprises an air bag cuff body, a support plate, a magnetic ball and an inflator pump, a plurality of strip-shaped independent air bags are uniformly distributed on the air bag cuff body along the width direction of the air bag cuff body, the support plate is lined in the independent air bags, and the magnetic ball is arranged on the support plate. A row of magnetic balls are embedded in the supporting plate in the radial direction of the supporting plate, the independent air bags are provided with inflation openings and connected with an inflation pump through ventilation pipes respectively, the independent air bags are provided with deflation plugs, and hook-and-loop fasteners are arranged on the outer sides of the independent air bags at the two ends of the air bag cuff body. The air bag is used for pressurizing hematoma of the front arm to achieve hemostasis and hematoma kneading and pressing, the air bag is used for alternately pressurizing the front arm, the magnetic balls of the lining alternately press the front arm, extravasated blood dispersion and detumescence are achieved, blood supply of the finger tip is guaranteed, hematoma becomes soft and dissipates, and osteofascia syndrome is prevented from being formed.