112 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.

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.

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 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.

The invention relates to a self-retraction puncture core.The puncture core comprises a puncture casing and a puncture body arranged inside the puncture casing, the head end of the puncture body is provided with a puncture tip, the tail end of the puncture body is connected with a puncture operation handle, the puncture tip of the head of the puncture body can penetrate from the head end of the puncture casing, and the puncture operation handle is located at the tail end of the puncture casing;when the puncture tip of the puncture body penetrates from the head end of the puncture casing, the puncture body is pressed through the puncture operation handle to carry out the necessary puncture operation by utilizingthe puncturetip;at the same time when the puncture tip punches through the puncture area, relative movements between the puncture casing and the puncture body are conducted, so that the puncture tip of the puncture body can immediately enter the puncture casing, and the puncture tip of the puncture body can be stably maintained in the puncture casing after the puncture tip is punched into the puncture casing. The self-retraction puncture core has the advantages of compact structure, can meet the needs of puncture, and can achieve protection after the puncture;the puncture core is convenient to operate, and safe and reliable.

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.

The present invention discloses a puncture needle sleeve. The puncture needle sleeve comprises a connecting part, a head part, scale marks and a detection part; the connecting part is linear and a radial cross section of the connecting part is circular; the head part is integrally formed with one end of the connecting part and positioned on the same straight line with the connecting part; the scale marks are uniformly arranged on a periphery of the connecting part; and the detection part is arranged on the connecting part. The detection part is arranged on the connecting part close to the headpart, intensity of ultrasonic reflection signals is increased due to the arrangement of the detection part, definition of the puncture needle sleeve in a B ultrasonic image is improved, accuracy andsafety of puncture operation are improved, operation difficulty and risks are reduced, and a puncture success rate of a disposable optimal target point is increased.