114 results about "Puncture procedure" patented technology

Devices and methods for performing a transeptal puncture procedure are described. In certain embodiments, the device includes a blunt outer needle, and a second inner needle disposed longitudinally through the lumen of the outer needle, wherein the inner needle is flexible, e.g., has a flexible portion and / or a bend or other non-traumatic conformation at its tip.

Devices and methods for performing a transeptal puncture procedure are described. In certain embodiments, the device includes a blunt outer needle, and a second inner needle disposed longitudinally through the lumen of the outer needle, wherein the inner needle is flexible, e.g., has a flexible portion and / or a bend or other non-traumatic conformation at its tip.

An abdominal tissue support for supporting excess abdominal adipose tissue away from the femoral crease to facilitate the maintenance of a sterile field for femoral puncture procedures. The abdominal tissue support may generally include a waist belt, at least one support apron affixed to the waist belt and a strap arrangement. The abdominal tissue support may also include a movable support apron slidable along the length of the waist belt. The strap arrangement may be securable at a patient's shoulders or to a fixture located near the patient's head.

Devices and methods for performing a transeptal puncture procedure are described. In certain embodiments, the device includes a blunt outer needle, and a second inner needle disposed longitudinally through the lumen of the outer needle, wherein the inner needle is flexible, e.g., has a flexible portion and / or a bend or other non-traumatic conformation at its tip.

The invention describes a system, method, and means for an MRI transseptal needle that can be visible on an MRI, can act as an antenna and receive MRI signals from surrounding subject matter to generate high-resolution images and can enable real-time active needle tracking during MRI guided transseptal puncture procedures.

The invention discloses a computer-assisted puncture navigation system and a computer-assisted puncture navigation method under infrared guidance. The computer-assisted puncture navigation system and the computer-assisted puncture navigation method have the advantages that problems of human movement due to respiration, heartbeat, unconscious movement and the like of people, deviation such as angular deviation between existing puncture needles and existing puncture paths and distance deviation between needle points of the existing puncture needles and existing puncture centers and severe influence on existing puncture procedures can be solved by the aid of the computer-assisted puncture navigation system and the computer-assisted puncture navigation method; the infrared positioning method is implemented by the aid of the computer-assisted puncture navigation system, locations of puncture needles are monitored in real time in puncture procedures, and accordingly operators can timely find and correct deviation.

An ultrasound needle guide apparatus to aid guidance of a puncturing needle to locate blood vessel positions of a living body and perform puncturing operation includes an ultrasound detection device, a display element connected to the ultrasound detection device in a rotatable manner and a needle positioning aid element fastened to the ultrasound detection device. The display element obtains ultrasonic signals from the ultrasound detection device and displays the blood vessel positions of the living body in an image fashion. The ultrasound needle guide apparatus is directly in contact with the intended ultrasound probing position so that users can directly and intuitively observe the blood vessel position through the display element, and swivel the display element according to operating position to control adjustment of display angle, and perform blood vessel puncturing operation via the needle positioning aid element to meet use requirement.

Devices and methods for performing a transseptal puncture procedure using a device which includes either an untapered or tapered blunt end cannula disposed in an introducer carrying a sharp guidewire disposed longitudinally through the lumen of the blunt cannula, and a blunt end dilator wherein the guidewire is flexible and has an atraumatic shape at its tip. The cannula gives the more flexible introducer a defined shape and steerabilty allowing an ordinarily skilled physician to easily access a selected location on the septal wall of the heart for transseptal puncture and introducer placement thereacross without employing an exposed sharp end needle during the procedure.

The invention (C-Hold Safety Device) is designed to overcome the risk (e.g., needle sticks) currently associated with obtaining blood samples or inserting IV needles using C-Hold and other similar vein or arterial needle penetration procedures. The invention thus overcomes the reason for the prohibition of otherwise safe and efficient procedures for medical needle insertions.

A steerable catheter system to perform a transseptal puncture procedure comprises a steerable catheter shaft with at least one inner lumen, and an inner element slidably positioned within a shaft lumen, wherein the distal tip of the shaft can be deflected, counter-deflected, rotated, and counter-rotated and wherein the inner element can be deployed or retracted. In one embodiment, a single steerable catheter is capable of performing an intended procedure and a transseptal procedure all in one, wherein the catheter comprises an outer steerable catheter and an inner element which can be deployed to perform a transseptal puncture, and wherein, once the inner element crosses the inter-atrial septum, the catheter itself can slide forward without advancement of the inner element.

The invention discloses a six-degree-of-freedom respiratory compensation needle puncture robot compatible with CT. The robot comprises a wearable vest guide rail module, a breathing movement self-adaptive robot needle seat module and a puncture needle six-degree-of-freedom robot module. The wearable vest guide rail module is used for supporting the breathing movement self-adaptive robot needle seat module and driving the breathing movement self-adaptive robot needle seat module to perform posture adjustment and adaptation, and the puncture needle six-degree-of-freedom robot module is used for performing biopsy puncture operation and movement; the puncture needle six-degree-of-freedom robot module comprises a four-degree-of-freedom posture adjusting module and a needle inserting module, and a biopsy puncture needle on the needle inserting module is driven to perform biopsy detection cooperative movement in a breathing compensation following manner through cooperation of the four-degree-of-freedom posture adjusting module and the needle inserting module. According to the invention, no metal compact object exists in the CT section in the needle puncture operation process, the operation process is compatible with CT imaging, and the height distance of the puncture robot relative to the human body does not change along with breathing movement and can reach all puncture points.

The invention discloses a three-dimensional image reconstruction and positioning analysis system used in a puncture surgery robot CT cabin in the technical field of CT-guided percutaneous lung puncture biopsy. The system includes a CT scanner; the CT scanner is in electrical output connection with a data reading module; a central processor is in electrical input connection with an electromagneticpositioning module and a path planning module; the central processor is in electrical output connection with an image processing module, a control module and a display module; and the control module is in electrical output connection with a puncture robot. According to the system, marking points are no longer placed on the body surface of a patient on hardware, but six marking points are fixed toa CT examination bed at the same time, and an improved D-H reverse motion algorithm is applied to the algorithm, so that a CT image guides the robot to conduct percutaneous lung puncture operation, the puncture precision can be well guaranteed through a positioning mechanism, especially the success rate of one-time puncture can be effectively guaranteed, and the system has high robustness.

The invention provides a long-handled probe interventional ultrasonic puncture depth control device, and relates to the field of interventional ultrasonic instruments in medical instruments. The long-handled probe interventional ultrasonic puncture depth control device comprises a puncture needle guide device and a depth control device, the puncture needle guide device is provided with a puncture guide cylinder for guiding a puncture needle, a probe fixing wing connected with a long-handled ultrasonic probe is arranged below the puncture guide cylinder, a clamping device for fixing the position of the puncture needle is arranged on the depth control device, and a connecting device for connecting the depth control device with the puncture needle guide device is further arranged on the depth control device. By the aid of the puncture needle guide device and the depth control device, the position of the puncture needle in the puncture guide cylinder can be conveniently limited, the puncture needle is locked in the surgical operation process according to treatment requirements, and hands of a doctor are released to perform other diagnosis and treatment operation. The depth control device can be conveniently mounted and detached in the surgical process, and ultrasonic detection and puncture operation cannot be affected.

The present invention is directed to a device for providing transcutaneous electrical stimulation (TENS) to the finger of a patient at the same time that the finger is being punctured for the purpose of obtaining a blood sample. The device should reduce the pain associated with this procedure and should be of particular interest to diabetic patients that must perform repeated finger puncture procedures to monitor blood glucose levels.

The invention discloses a valve repair system implanted with an artificial chordae tendineae. The valve repair system comprises a handle operating device, a valve clamping device, a valve puncture device, a catheter and a valve capture feedback device, the valve clamping device comprises a clamping control piece, a near-end chuck and a far-end chuck; the valve puncture device comprises a traction ring, a connecting piece, a puncture needle and a puncture hollow tube, wherein the puncture needle is sleeved with the puncture hollow tube in a limited mode, and the puncture hollow tube is detachably connected with the connecting piece. The traction ring and the connecting piece are contained in the far-end chuck, and the far end of the puncture needle assembly is contained in the near-end chuck. An artificial chordae tendineae is arranged in the clamping control piece in a penetrating manner; the handle operating device comprises a handle, a puncture operating mechanism, a clamping operating mechanism and a feedback operating mechanism, the puncture operating mechanism is connected with the puncture needle assembly, the clamping operating mechanism is connected with the clamping control piece, and the feedback operating mechanism is connected with the valve capturing feedback device. The device is small in puncture injury, implantation and knotting of multiple sets of artificial chordae tendineae are achieved at a time, and the clamping condition is simply and reliably fed back.

The invention relates to the technical field of medical equipment, in particular to an ultrasonic examination device. The ultrasonic examination device comprises a mounting shell, an ultrasonic transducer and a puncture frame. The ultrasonic transducer is rotatably arranged in an inner cavity of the mounting shell, and the ultrasonic transducer and the mounting shell are arranged at an interval; and the puncture frame is arranged on the outer side of the mounting shell, a puncture guide hole allowing a puncture needle to penetrate through is formed in the puncture frame, and the puncture frameand the ultrasonic transducer can rotate synchronously, so that the axis of the puncture guide hole and the real-time scanning plane of the ultrasonic transducer are coplanar. According to the ultrasonic examination device, the puncture frame and the ultrasonic transducer rotate synchronously, so that it is guaranteed that a puncture path is always located in the real-time scanning plane of the ultrasonic transducer, accurate positioning is provided for puncture operation, the puncture efficiency and accuracy are improved, the operation time is shortened, the operation difficulty is lowered,and accurate, low-trauma, simple and rapid operation treatment is achieved.

The invention discloses an automatic vertebral body puncture forming device and an orthopedic surgery robot system. The automatic vertebral body puncture forming device comprises a bottom plate, a puncture unit and a bone cement filling unit, wherein the puncture unit and the bone cement filling unit are arranged on the bottom plate; the automatic vertebral body puncture forming device further comprises a linear feeding unit and a tool replacement unit which are installed on the bottom plate; the linear feeding unit carries the puncture unit or the bone cement filling unit to move forwards to conduct puncture operation or injection molding operation of bone cement or moves backwards to return to the tool replacement unit; and the puncture unit or the bone cement filling unit conducts position replacement on the tool replacement unit so as to leave or enter the linear feeding unit. The automatic vertebral body puncture forming device is used in cooperation with an orthopedic surgery robot, and intelligent automatic orthopedic surgery puncture and bone cement injection are achieved.

The present invention belongs to the field of medical teaching tools, and relates to a teaching model based on an antenatal diagnosis puncture technology and an application method thereof. The teaching model based on the antenatal diagnosis puncture technology comprises a model main body, an assembling mechanism and an observation mechanism; and the model main body comprises a uterus model body, asupport, a lower abdomen model body, an upper abdomen model body, an umbilical cord model body and a placenta model body. When practicers perform simulation training, model images in the observationmechanism are employed to perform puncture operation, when puncture needles contact a mini acupuncture sensor arranged at the target puncture position of the model, the mini acupuncture sensor immediately emits alarm prompting signals to inform the practicers of completion of the puncture operation, the practicers establish space correspondence of two-dimensional images in a visual mirror and a three-dimensional entity of a puncture model through repeat training so as to improve the puncture operation accuracy and stability.

The invention relates to the technical field of medical instruments, and discloses a fixing device for puncturing of implantable venous access ports. The fixing device comprises a first slide rail arranged at the bottom of a sickbed; the first sliding rail is slidably connected with a sliding rod, the sliding rod is rotatably connected with a fixing pipe, a supporting structure is fixed to one side of the fixing pipe, the supporting structure comprises a connecting plate and two flat plates, and the connecting plate is connected with the fixing pipe; after the supporting structure rotates along with the fixing pipe, the outer surface of one flat plate can be flush with a sickbed. The fixing device further comprises a locking unit used for locking the flat plates on the side parts of the sickbed. According to the scheme, the supporting structure can support the arm of a patient, and a medical staff can conveniently carry out puncturing operation of the implantable venous access port onthe arm of the patient; the supporting structure and the fixing pipe can slide at the bottom of the sickbed along with the sliding rod, the medical staff can rotate the supporting structure to the left side or the right side of the sickbed according to puncturing requirements, and the fixing device is quite convenient to use, simple in structure and small in occupied space.

The invention discloses an operation training model for simulating human tissue spine characteristics. The operation training model comprises a base; an upper cover frame which is buckled on the baseand is provided with a hollow groove; a simulated human tissue which fills and covers the hollow groove and forms a sealed cavity with the base; simulated human body skin which wraps and is attached to the simulated human body tissue; and an animal spine replacement core which fills the sealed cavity and comprises a wrapping layer matched with the sealed cavity in shape and an animal spine arranged in the wrapping layer, wherein foamed silica gel is filled between the wrapping layer and the animal spine. The model is ingenious in structure, can highly simulate a real human spine tissue structure, can be repeatedly used, and can allow an instrument which easily generates heat to perform puncture operation on the animal spine replacement core, so that the model is suitable for different types of puncture operation, the teaching cost is reduced, and the learning enthusiasm and the learning effect of students can be effectively improved.

A steerable catheter system to perform a transseptal puncture procedure comprises a steerable catheter shaft with at least one inner lumen, and an inner element slidably positioned within a shaft lumen, wherein the distal tip of the shaft can be deflected, counter-deflected, rotated, and counter-rotated and wherein the inner element can be deployed or retracted. In one embodiment, a single steerable catheter is capable of performing an intended procedure and a transseptal procedure all in one, wherein the catheter comprises an outer steerable catheter and an inner element which can be deployed to perform a transseptal puncture, and wherein, once the inner element crosses the inter-atrial septum, the catheter itself can slide forward without advancement of the inner element.

The invention relates to the technical field of puncture needle supports, in particular to an adjusting and fixing support for for a deep vein puncture needle for anesthesia. The adjusting and fixing support comprises a rectangular frame, two U-shaped frames are symmetrically fixed to the two sides of the rectangular frame, binding belts are bound and fixed to the interiors of the two U-shaped frames, and transverse tensioning mechanisms used for tensioning the skin are arranged on the two sides of the rectangular frame. Two supporting rods are symmetrically and rotationally connected to the top face of the rectangular frame, guide rail holes are formed in the supporting rods, semicircular guide rail rings are inserted into the guide rail holes, the two ends of each guide rail ring are fixed to the top face of the rectangular frame, and elastic positioning mechanisms used for temporarily fixing the supporting rods to the guide rail rings are arranged in the supporting rods. According to the scheme, the skin at the puncture position is tensioned through the transverse tensioning mechanism, so that the loose skin is tightened, a doctor can see the meridians at the puncture position clearly, puncture is facilitated, the needle tube is clamped and fixed stably, the needle tube does not need to be held manually, and puncture operation is facilitated.

The invention relates to an auxiliary device for needle insertion of epidural anesthesia. The auxiliary device comprises a needle insertion unit (1), a movement guiding unit (2) for driving the needleinsertion unit (1) to move and a control unit (3) for supporting and controlling the movement guiding unit (2), wherein the needle insertion unit (1) is electrically connected with the control unit (3); and the needle insertion unit (1) comprises a first support (11) for being connected with the movement guiding unit (2), a second support (12) in slip connection with the first support (11), a needle insertion component (13) in slip connection with the second support (12) and a first drive (14) which is arranged on the first support (11) and is used for driving the second support (12) to move.According to the auxiliary device disclosed by the invention, a puncture process can be subjected to multi-dimension real-time monitoring, and automatic, accurate and safe needle insertion puncture operations can be achieved.

The invention provides a puncture device, ultrasonic imaging equipment and a puncture assisting method. The puncture device comprises a support, a needle guide device, an angle adjuster and a controller. The support is fixed on an ultrasonic probe; the needle guider is used for guiding the puncture needle to puncture; and the angle adjuster is used for adjusting the angle of the needle guider. The controller is used for obtaining the position of the focus and determining the insertion angle and the insertion depth of the puncture needle according to the preset initial position of the puncture needle and the position of the focus. The controller automatically determines the insertion angle and the insertion depth of the puncture needle without depending on the experience of operators, so that the accuracy of puncture operation is improved.