28 results about "Paracentesis" patented technology

The invention discloses a cirrhosis ascites pressure dynamic measurement method and system, and relates to the technical field of medical auxiliary measurement. Comprising the following steps: acquiring an abdominal cavity image, ascites pressure dynamics and abdominal cavity blood flow pulsation data of a patient; extracting periodical fluctuation characteristics of the pressure data, and dynamically calibrating the image anatomical region according to the periodical fluctuation 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 a blood vessel adjacent region and obtain a target cavity region; based on this, a puncture path prediction model is constructed, and path data is output; finally, safety judgment is conducted on the path data, and when the pressure gradient of the path data is stable within the preset length range and meets the decorrelation condition, a puncture positioning point is output. The system comprises corresponding modules for executing the steps. Through multi-modal data fusion and dynamic analysis, precise planning and safety verification of puncture points are achieved, and the risk of accidentally injuring blood vessels and intestinal canals in the abdominal paracentesis is reduced.

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 invention relates to the technical field of application of recovery after cardiovascular paracentesis, in particular to a hemostasis device for cardiovascular puncture, which comprises a compression component and provides a stable and reliable fixing mode for hemostasis after cardiovascular paracentesis by combining a fixing component with the compression component. A clamping head in the fixing assembly can be fixed to a sickbed body or a wheelchair, and the pressing assembly can be fixed through the fixing assembly. Therefore, after a cardiovascular patient is subjected to paracentesis, the compression assembly compresses the wrist of the patient to stop bleeding, the fixing assembly can fix the wrist of the patient through the compression assembly, the wrist is prevented from moving disorderly when the patient is not sober under the action of anesthetic after the operation, and the situation that the compression assembly moves due to unconscious actions of the patient, and the hemostatic effect is affected is 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.

The utility model discloses a compression hemostasis device used after femoral artery paracentesis, and relates to the technical field of medical instruments, the compression hemostasis device comprises a compression cylinder, a compression air bag, an elastic band and a sterile dressing, and the compression cylinder is provided with a channel hole in the axial direction; the compression air bag is detachably arranged in the channel hole; the elastic band is connected to the two symmetrical sides of the non-compression head end of the compression cylinder. And the sterile dressing is adhered to one end of the compression head of the compression cylinder. The compression air bag is arranged in the compression cylinder, and the compression air bag can be suitable for the shape of the surface to be compressed after being inflated to perform fitting compression, so that the uniformity of compression stress is improved, the problems of excessive local compression and insufficient local compression force are avoided, and the hemostatic effect is effectively improved.

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.

A simulator apparatus for training medical professionals in the procedures of chest tube insertion and / or pericardiocentesis. The apparatus includes a first stand element and a second stand element that form a rib panel base with the two elements substantially at right angles to one another to create a 90-degree stand. A rib panel is removably joined to the two stand elements and includes curved slots representing the spaces between ribs. For simulation of the pericardiocentesis procedure, in an embodiment, a heart component located within the simulator allows the user to simulate insertion of chest tubes between the simulated rib spaces into or around the heart. The model may also use a subcutaneous and skin overlay for human skin simulation.

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.

An anterior chamber maintainer (ACM), which is to be utilized in connection with maintaining physiological intraocular pressure during intraocular surgery, is disclosed and comprises an axially elongated tubular member which is adapted to be fluidically connected at a first end to a supply of balanced salt solution (BSS) for introduction into the anterior chamber of an eye so as to maintain adequate intraocular pressure while performing any intraocular surgery. A second opposite end of the anterior chamber maintainer (ACM) is provided with a sharply pointed end for insertion through a paracentesis incision formed within the limbus region of the eye, and a non-deformable, incompressible, tapered, annular bulbous portion is interposed between the first and second ends such that as the second end passes through the paracentesis incision, the non-deformable, incompressible, tapered, annular bulbous portion will cause the paracentesis incision to deform or expand radially outwardly, and after passing through the paracentesis incision, the non-deformable, incompressible, annular bulbous portion will trap the anterior chamber maintainer (ACM) within the anterior chamber of the eye.

The utility model relates to the field of operations, and provides an abdominal paracentesis post-operation liquid seepage prevention device which comprises a negative pressure cavity, a display screen fixedly installed on the upper portion of the outer side of the negative pressure cavity, a pressure sensor fixedly installed at one end of the inner side of the negative pressure cavity, an installation base arranged on the top of the negative pressure cavity, a one-way valve fixedly installed on the outer side of the installation base, and an exhaust pipe installed on the outer side of the one-way valve. The display screen is installed on the upper portion of the outer side of the negative pressure cavity, the specific pressure value in the negative pressure cavity can be displayed in real time, the pressure sensor is installed in the negative pressure cavity, the specific pressure value can be monitored in real time, the negative pressure pump can extract air in the negative pressure cavity, manual operation is reduced, the working efficiency is improved, and the working efficiency is improved. In addition, the extraction force can be better controlled, the extraction is smoother, and a patient feels more comfortable.

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 invention discloses a post-femoral artery paracentesis sign monitoring data processing system, and relates to the technical field of monitoring data processing, and the system comprises an abnormal sign analysis unit which is used for constructing a cross entropy coupling model based on the sign data of a post-femoral artery paracentesis patient so as to analyze the relevance between local signs and overall signs, obtaining an abnormal sign propagation path map; the sensitivity extraction unit is used for dividing different monitoring stages according to the abnormal sign propagation path map, performing phase feature analysis, extracting a sensitivity coefficient and generating a sensitivity change feature set; and the early warning signal generation unit is used for generating graded early warning signals and intervention suggestions based on the sensitivity change feature set according to a comparison result of the risk probability and a preset threshold value. The system has the advantages of local-overall sign correlation analysis, staged sensitivity calculation and intelligent graded early warning according to monitoring data.

The utility model relates to an abdominal cavity pressurizing bellyband, which comprises a bellyband body wound on the belly of a human body, and two ends of the bellyband body can be adhered; the movable belt can be connected to the bellyband body in a sliding mode in the length direction of the bellyband body; and the liquid absorption pad is movably adhered to the moving belt, and a pressurizing pad is arranged on the liquid absorption pad. The abdominal cavity pressurizing bellyband is mainly suitable for a patient with abdominal cavity seepage after abdominal cavity paracentesis, the local pressurizing mode and the total abdominal pressurizing mode are combined, local pressure is increased for an abdominal cavity puncture opening, total abdominal pressure is relieved, liquid seepage from the puncture opening can be absorbed in time, liquid seepage is prevented, and the infection risk is reduced.

1. The name of the design product: medical model (peritoneal comprehensive puncture model). 2. The use of the design product: the design product is used for medical puncture model. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: assembly state perspective view.

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.

The application belongs to the technical field of postoperative auxiliary devices, and particularly relates to a puncture postoperative auxiliary pressing device, which comprises a pressure bag, cuffs fixed on two sides of the surface of the pressure bag, and belts fixed on two sides of the lower surface of the pressure bag, one side of the surface of the pressure bag is provided with an inflation port, and a pressing mechanism is installed on the surface of the pressure bag. The pressing mechanism can adjust the positions of the pressing air bag and the blocking strip, so that the positions are away from the trachea of the patient, the trachea of the patient is prevented from being compressed, the normal breathing of the patient is not affected, the situation that the patient cannot breathe smoothly is avoided, the surrounding skin of the puncture part of the patient can be rotated and massaged, so that the blood circulation of the subcutaneous tissue of the puncture part is accelerated, the subcutaneous tissue of the puncture part is prevented from being congested, the postoperative recovery of the patient is prevented from being affected, the patient can be relaxed, and the pain of the patient after the operation is reduced.

The utility model provides a hemostasis compressor used after femoral artery paracentesis. The hemostasis compressor comprises a compressor body, an upper cover, a movable assembly, a limiting structure, a pressing assembly and a fixing strap. The compressor main body is provided with a mounting inner cavity; the upper cover is fixedly mounted on a top opening of the mounting inner cavity in a covering manner; the movable assembly is rotatably mounted in the mounting inner cavity; the limiting structure is arranged between the upper cover and the movable assembly; the pressing assembly is matched with the movable assembly and can move up and down relative to the movable assembly to pressurize and stop bleeding; the two fixing bridles are used for fixing the compressor body. According to the hemostasis compressor used after femoral artery paracentesis, when the pressing assembly presses a hemostasis point downwards, the bottom of the hemostasis compressor cannot rotate, and secondary damage to a femoral artery puncture point cannot be caused; when a patient moves and muscles move to cause rotation of a puncture point relative to the pressing assembly, the pressing assembly can be driven to rotate synchronously, and secondary injury of the puncture point caused by relative rotation is avoided.

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 utility model discloses an internal neck puncture needle with scales, and belongs to the technical field of medical instruments. Comprising a sampling head, the sampling head is fixedly connected with a needle rod, a needle tip section is arranged at the end, away from the sampling head, of the needle rod, the needle rod comprises a first subsection, a second subsection and a third subsection, and the first subsection and the second subsection are each provided with a first identification piece and a second identification piece. When the puncture needle is used for paracentesis, a wound of a patient is punctured from the end, provided with the needle point section, of the needle rod, and after the needle rod is inserted into the wound of the patient, the puncture depth can be judged according to the first subsection, the second subsection or the third subsection in contact with the skin surface of the patient in cooperation with the first identification piece and the second identification piece; the first subsection, the second subsection and the third subsection are set to be in different colors, so that the device is easier to identify by an operator, and the problem that the insertion depth of the needle rod is difficult to judge by the operator due to an existing device is solved.

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.

A percutaneous pericardial puncture assembly and system, the percutaneous pericardiopuncture assembly comprises a puncture tube and a puncture piece, the puncture tube comprises a tube body and a puncture section arranged at the distal end of the tube body. A puncture channel, a negative pressure suction channel and an imaging channel are arranged in the tube body, and are communicated with the working port at the distal end of the puncture section. The imaging module is arranged in the imaging channel to realize real-time visualization of the in-vivo puncture operation; the proximal end of the negative pressure suction channel can be connected to a negative pressure suction device to provide negative pressure for the working port and then adsorb the pericardial wall layer; the puncture piece is arranged in the puncture channel and can puncture the adsorbed pericardial wall layer. By arranging the negative pressure suction channel, the pericardial wall layer can be captured before the puncture piece punctures, so that even if only a small amount of pericardial effusion exists between the pericardial wall layer and the pericardial visceral layer, the medical staff can also complete the puncture of the pericardial wall layer without damaging the pericardial visceral layer, the operation is simple, and the safety and success rate of percutaneous pericardial puncture under full indications are greatly improved.

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.