112 results about "External catheter" patented technology

Disclosed herein is a urine collection bag, system, and methods directed to automated measurement of a quantity of urine. The urine collection system can include the urine collection bag, a catheter, and flexible drainage tubing. The urine collection bag can include a collection area, force sensors, and circuitry configured to determine the volume of urine in the collection area based on pressure or weight measured by the force sensors, and the specific gravity of the urine. The catheter may include a small female external catheter (FEC) with an opening on a top side, a wicking catheter with a wicking area on a top side, a finger-mountable catheter, or a male external catheter (MEC). The tubing may be secured to a patient's leg with a stabilization device or a fabric strap. The catheter can remain on a patient while the patient stands or walks.

The invention provides a traction battery pack thermal management system. A battery pack thermal management system includes an outer conduit of a coolant transport column and an inner conduit of the coolant transport column. And the inner catheter is arranged in the outer catheter. The coolant delivery column is configured to deliver coolant in a first direction through the outer conduit and outside the inner conduit. The coolant delivery column is configured to deliver coolant through the inner conduit in an opposite second direction.

The application relates to the technical field of medical devices, in particular to a balloon for vascular access intervention, which comprises an outer catheter, a cleaning pipe and a telescopic hose, one end of the outer catheter is provided with a guide wire connecting port, the cleaning pipe is arranged on the guide wire connecting port, and a guide head is fixedly connected to the end of the outer catheter far from the guide wire connecting port; medicine is smeared into a medicine applying groove, the medicine in the medicine applying groove will be attached to the inner wall of the blood vessel of a patient after the balloon body is inflated, covers the wound, avoids the elution of the medicine when the balloon body moves, and improves the use rate of the medicine.

A system for assisting in the retrieval of a clot from a vessel. The system can include an outer catheter and an inner catheter disposed in a lumen of the outer catheter. The inner catheter can include a distal end, a proximal end, a distal segment, a proximal segment, and a lumen extending proximal of the distal end and terminating at a transfer port at the proximal end of the distal segment. A seal is located on the outer surface of the inner catheter distal of the transfer port, the seal capable of sealing against the lumen of the outer catheter so that aspiration applied through the outer catheter is configured to be transferred to the inner catheter.

The utility model relates to the technical field of catheter sheath regulation and control, especially a sheath type regulation and control device applied to disposable catheter sheaths, which comprises an external assembly frame, a turnover closing cover plate is installed on the assembly surface of the external assembly frame, an internal assembly groove for installing the disposable catheter sheath is arranged on the assembly surface of the external assembly frame and the turnover closing cover plate, and an external adjustment frame is installed on the side wall of the external assembly frame through a flexible connecting belt. The sheath type regulation and control device applied to the disposable catheter sheath adopts a sheath type structure design, can be directly sleeved on the existing catheter sheath, and is very simple and convenient to assemble and disassemble. The external adjustment frame is installed on the side wall of the external assembly frame through the flexible connecting belt, the external adjustment frame is sleeved on the external catheter, and then the flow or temperature of the catheter is adjusted by the hand control adjustment module inside the external control port, so that the operation is very simple and convenient.

A catheter including an expandable member, an outer catheter body including an outer catheter lumen, an inner tube positioned within the outer catheter lumen and defining an inner tube lumen, and an ultrasound transducer positioned in the expandable member. The transducer may include a transducer body comprising an inner surface defining a transducer lumen, wherein the transducer lumen is fluidically connected to the inner tube lumen, a transducer support member positioned at a distal portion of the transducer body and defining one or more fluid apertures through which the fluid is configured to flow from the transducer lumen into the expandable member, and a plurality of electrodes extending along at least a first portion of an outer surface of and at least a second portion of the inner surface of the transducer body.

The present application relates to the technical field of medical tools, in particular to a multifunctional thrombus suction device, which comprises an outer catheter and an inner catheter movably arranged in the outer catheter, a collecting net is installed at the distal end of the inner catheter, a fixing block and a traction block are arranged on the inner wall of the inner catheter close to the collecting net, a plurality of triangular blocks are arranged between the fixing block and the traction block in sequence, the triangular blocks are provided with first sliding holes penetrating through both sides, the fixing block is provided with second sliding holes aligned with the first sliding holes, a traction wire is arranged in the inner catheter, and the traction wire is fixedly connected with the traction block after sequentially passing through the second sliding holes and all the first sliding holes. The present application solves the problem that most of the current steel wires are basically attached to the inner wall and the sliding of the steel wire is realized through the steel wire hole, thereby driving the adjustment of the bending of the end part. However, the bending adjustment mode has limited adjustment angle, and with the increase of the adjustment bending, the adjustment difficulty also increases, which is not conducive to the bending adjustment in complex blood vessel positions.

This invention discloses a catheter anti-entanglement device, belonging to the field of medical device technology. The device includes a main frame, a catheter holder, a drive shaft, and a gear set. The drive shaft is connected to the lifting mechanism of the patient bed or the backrest adjustment mechanism, and through the gear set and rack transmission structure, converts the movement of the patient bed into the synchronous lifting movement of the catheter holder, thereby dynamically adjusting the catheter's reserved length and preventing catheter entanglement caused by changes in patient position. The device also includes a damping adjustment component, which increases the clamping damping of the catheter when the catheter clamping device rises, effectively preventing the catheter from sliding and pulling. Furthermore, the catheter clamping device adopts a clamping wheel bracket structure with a torsion spring shaft, facilitating quick installation and release of the catheter. This invention achieves adaptive adjustment of catheter height and anti-slip locking through pure mechanical linkage, improving treatment safety, patient comfort, and nursing efficiency.

Example medical devices are disclosed herein. An example thrombectomy device includes a catheter assembly having an outer shaft having a proximal end region, a distal end region and a lumen, wherein the distal end region includes a first inflow orifice.Further, the catheter assembly includes an inner shaft having a distal end region and a lumen extending within at least a portion of the lumen of the outer shaft, wherein the distal end region of the inner shaft includes a second inflow orifice. Further, the catheter assembly includes a guidewire shaft extending through the lumen of the inner shaft, a tip member coupled to a distal end of the guidewire shaft and a handle configured to shift the catheter assembly such that first inflow orifice, the second inflow orifice, or both the first inflow orifice and the second inflow orifice are in fluid communication with the lumen of the inner shaft.

[Problem] Provision of an insertion system that is advantageous in reducing the withdrawal resistance of an internal catheter. [Solution] Delivery system, equipped with: an inner catheter 22; an outer catheter 24 through which the inner catheter 22 is passed and in which a first side hole 24b is formed; a tubular stent 10, which is arranged on a distal end side with respect to the outer catheter 24, wherein the inner catheter 22 is passed through the tubular stent 10; and a first thread-like element 16 which is inseparably connected to the tubular stent 10, wherein at least one section of the first thread-like element 16 runs between the inner catheter 22 and the outer catheter 24 on a side which is closer to the proximal end than the first side hole 24b, and wherein the first thread-like element 16 is passed through the first side hole 24b and is arranged outside the outer catheter 24 in at least a part of an axial region R from the distal end of the outer catheter 24 to the first side hole 24b.

An ablation balloon catheter includes an outer catheter shaft and an inflatable balloon whose first end is connected to the outer catheter shaft. The catheter includes a movable nose tip to which the second end of the inflatable balloon is connected. The catheter has a first electrode basket having a plurality of first splines, whose first end is connected to the outer catheter shaft and whose second end is connected to the nose tip. A second electrode basket is also provided, which has a plurality of second splines, whose first end is connected to the outer catheter shaft and whose second end is connected to the nose tip. The second electrode basket is positioned above the first electrode basket, and the plurality of first splines are rotationally offset from the plurality of second splines. One or more first splines support one or more electrodes, and one or more second splines support one or more electrodes. The catheter has an actuator that moves the nose tip axially to facilitate the transition of the first and second electrode baskets to a folded state when the balloon deflates. The multiple first splines and multiple second splines are configured to expand radially when the inflatable balloon is inflated, with the multiple first splines interposing between the multiple second splines.

A prosthetic heart valve delivery system may include a handle, an outer catheter extending distally from the handle, and a balloon mounted to a distal portion of the outer catheter. A prosthetic heart valve may be configured to be received on a balloon, and a balloon inflation system may be configured to inflate and deflate the balloon. The balloon may include a proximal balloon portion and a distal balloon portion positioned distal to the proximal balloon portion. The interior volume of the proximal balloon portion may be fluidly isolated from the interior volume of the distal balloon portion such that the proximal balloon portion and the distal balloon portion may be inflated independently of each other.

The application relates to the technical field of medical equipment, in particular to a medical catheter, which comprises a catheter main part and a catheterization bag connected to the catheter main part, characterized in that the catheter main part comprises an outer catheter and an inner catheter arranged in the inner part of the outer catheter, one end of the inner catheter is fixed to the inner part of the outer catheter, a catheterization opening is arranged at the position of the outer catheter close to the end of the inner catheter, the catheterization opening is communicated with the inner part of the inner catheter, the catheterization bag is connected to the end of the outer catheter and the inner catheter away from the catheterization opening, an inflatable air bag part is arranged at the position of the outer catheter close to the catheterization opening, an air flow channel is arranged between the outer catheter and the inner catheter, the air flow channel is communicated with the air bag part, and a fixing assembly for controlling the movement of the outer catheter and the inner catheter into the body is arranged on the outer catheter. The application has the effect of preventing urine from flowing along the catheter to the outside of the catheterization bag.

The application belongs to the technical field of medical devices, and particularly relates to a kind of cryoablation catheter and ablation system, the cryoablation catheter includes inner catheter and outer catheter, the outer catheter is coaxially sleeved on the outside of inner catheter, the inner catheter is configured as a multi-lumen structure, further comprising: a plurality of sealing components, a plurality of the sealing components are arranged on the outside of inner catheter;Wherein, in the initial state, a plurality of the sealing components and inner catheter are located in the inside of outer catheter, in the working state, a plurality of the sealing components and intestinal wall form an ablation closed space together. The application guides the cryoablation catheter to the target position through the guide wire, forms the ablation closed space through the cooperation of sealing components and lumen wall, inputs the cryogenic medium into the ablation closed space to freeze and ablate the lumen wall, provides a usable treatment plan for type 2 diabetes, obesity or other lumen lesion patients, and has the advantages of small trauma, less pain for patients, low surgical risk, etc.

The present application relates to the field of medical devices, and discloses a peritoneal dialysis patient peritonitis early warning device based on microfluidic technology, comprising a peritoneal dialysis external catheter and a microfluidic detection module; the peritoneal dialysis external catheter comprises a main passage for dialysis liquid infusion or dialysis waste liquid drainage, and a detection branch selectively communicated with the main passage; a flow path switching structure is arranged on the peritoneal dialysis external catheter, and the flow path switching structure is used for switching between a normal state and a detection state. In the present application, the detection branch selectively communicated with the main passage is arranged on the peritoneal dialysis external catheter, and the flow path switching structure is used for switching between the normal state and the detection state, so that the dialysis waste liquid can enter the microfluidic detection module for detection while maintaining the drainage of the main passage, in-situ detection is realized without changing the basic operation process of peritoneal dialysis, and good clinical process compatibility is achieved.

The present invention is entitled "Thrombectomy and Stent Implantation System". The present invention provides a design capable of both mechanical thrombectomy and stent implantation for the treatment of occlusions in the cerebral vasculature, which provides a three-catheter setup. A first outer catheter has the largest diameter and can serve as a guide catheter, while also serving as a sheath for the other catheters. A second deployment catheter can be configured for aspiration of the occlusion and can include a proximal stepped or recessed segment at the distal tip that can act as a housing for a woven expandable stent. The outer diameter of the stepped segment can be lined with an inflation device having a woven stent disposed on its top. Inside the second deployment catheter is a microcatheter that can deliver a mechanical thrombectomy device to the target site to retrieve the occlusion in the vessel, after which the stent can be expanded and implanted in the vessel.

An apparatus includes an outer sleeve of flexible material forming an outer conduit extending longitudinally through the outer sleeve for insertion of a bone treatment device ("BTD") to a target site within a living body. A distal opening of the outer conduit is open so that a BTD inserted through the outer conduit exits the outer sleeve adjacent a target portion of a bone when the outer sleeve is in a desired position within the body. The apparatus also includes an inner sleeve received within the outer sleeve and defining an inner conduit within the outer conduit to form a sheath. The inner sleeve is split along a longitudinal direction. Portions of the inner sleeve on opposite sides of the split are coupled to one another so that a diameter of the inner conduit is adjustable in response to a force exerted on the inner conduit by one of the BTD and tissue surrounding the outer sleeve.

The present disclosure relates to a balloon catheter including an external catheter; a balloon connected to one end of the external catheter, inflatable and deflatable, and configured to be inserted into or expelled from a target site of a living body; and an internal catheter movable along the external catheter in a first direction for insertion into the balloon or a second direction for expelling the balloon, wherein the internal catheter is expelled from the balloon while the balloon is inflated and fixed to the target site of the living body.

An implantable lead system may include an adjustable lead assembly. The lead assembly may include a fixation member and an implantable lead slidably coupled to and rotatable relative to the fixation member. The implantable lead system may include a telescoping delivery system. The delivery system may include an outer catheter and an inner catheter slidably coupled to and rotatable relative to the outer catheter. The lead assembly may be implanted in a cardiac septal wall through the delivery assembly.

The utility model discloses a convenient to install's car heat dissipation aluminium pipe, including main pipe subassembly and connecting component, main pipe subassembly includes main aluminium pipe, outer catheter, heat dissipation hole, heat pipe and fastening ring, the circumference of main aluminium pipe is fixedly connected with outer catheter, the circumference of outer catheter is provided with heat dissipation hole, the quantity of heat dissipation hole sets up multiple, and evenly distributes on outer catheter, the circumference of outer catheter is fixedly connected with heat pipe, the quantity of heat pipe sets up multiple, and evenly distributes on outer catheter. Through setting up main pipe subassembly and connecting component, setting up outer catheter on the outside of main aluminium pipe, can play the protection effect to main aluminium pipe, improve the security of main aluminium pipe, setting up heat pipe on outer catheter, can improve the heat dissipation efficiency of main aluminium pipe, and setting up connecting component simultaneously on the both ends of main aluminium pipe, and connecting component can fold, thereby the installation of main aluminium pipe is convenient, improves the convenience of main aluminium pipe installation.

An ablation device and an ablation system provided with an ablation device, include an ablation assembly and an adjustment assembly provided at the proximal end of the ablation assembly. The adjustment assembly includes an outer catheter and an inner catheter which extend axially. The ablation assembly includes a supporting framework and an ablation member provided on the supporting framework. The supporting framework includes a positioning frame and a bearing frame. The positioning frame is provided at the distal end relative to the bearing frame, the distal end of the outer catheter is connected to the proximal end of the bearing frame, the distal end of the inner catheter is connected to the distal end of the positioning frame. During moving of the inner catheter relative to the outer catheter, the supporting framework deforms, and the deformation ratio of the positioning frame is less than that of the bearing frame.

The application discloses an eye implant injector and an eye implant injection method. The eye implant injector comprises a holding handle, a holding surface on the outside of the holding handle, a hollow inside of the holding handle forming a sliding cavity, a front end port on the front end of the holding handle, the front end port communicating with the sliding cavity, a sliding body arranged in the sliding cavity of the holding handle and in sliding cooperation with the sliding cavity, an outer catheter, a hollow inside of the outer catheter forming a guide cavity, a rear end of the outer catheter connected with the front end of the holding handle, an injection needle connected with the sliding body, the injection needle passing through the front end port and in sliding cooperation with the guide cavity of the outer catheter, and an end clamp installed on the front end of the injection needle and having at least a first clamp head and a second clamp head capable of being opened and closed with each other. The application can conveniently implant the eye implant, is convenient to operate, and can better guarantee the implantation effect.

The present invention comprises: an inner catheter 22; an outer catheter 24 through which the inner catheter 22 is passed and in which a first side hole 24b is formed; a tube stent 10 which is disposed distally relative to the outer catheter 24 and through which the inner catheter 22 is passed; and a first thread-like member 16 which is non-releasably coupled to the tube stent 10 and at least a part of which is passed between the inner catheter 22 and the outer catheter 24 at a position more proximal than the first side hole 24b. The first thread-like member 16 is passed through the first side hole 24b and is disposed on the outer side of the outer catheter 24 in at least a part of an axial range R from the distal end of the outer catheter 24 to the first side hole 24b.

The utility model discloses a needle head positioning mechanism and a micro-droplet generation device, and relates to the technical field of nucleic acid detection. The needle positioning mechanism comprises a needle tube, a sleeve, a needle and an outer catheter. The sleeve is connected with the needle tube and sleeves the needle tube, an oil inlet channel is formed between the sleeve and the needle tube, the needle head is mounted at the end of the needle tube, the outer catheter is mounted at the end of the sleeve and sleeves the needle head, an oil outlet channel is formed between the outer catheter and the needle head, the oil outlet channel is communicated with the oil inlet channel, and a first positioning rib is arranged on the outer wall of the needle head. The first positioning rib extends in the length direction of the needle head and is used for limiting the outer catheter when the outer catheter is installed. The needle head positioning mechanism provided by the utility model can improve the centering precision of the outer catheter and the needle head, ensures that the proportions of original solutions in all water-in-oil micro-droplets are the same, improves the uniformity of the water-in-oil micro-droplets, and improves the nucleic acid detection precision.

The application discloses an epidural catheter device and belongs to the field of medical supplies.The device comprises a hollow catheter, a connecting head and a monitoring assembly.The hollow catheter is provided with a side hole and a temperature-sensitive coating, and the tail end of the hollow catheter can display different colors according to the body temperature.The connecting head is locked to the hollow catheter through an internal adjusting track and a locking sliding block and the like.The connecting head is loaded with the monitoring assembly, which comprises a liquid crystal display, a temperature indicator and an alarm, and can display the body temperature, color prompt and over-temperature alarm.The hollow catheter is connected with an analgesic pump through a rotary joint.The device realizes the integration of analgesia and epidural temperature and pressure monitoring functions, has the color change early warning capability, is effectively prevented from being detached through a mechanical lock buckle structure, and realizes liquid medicine filtration and uniform speed diffusion through a built-in filter screen and a flow guide core, so that the safety and comfort of parturient analgesia during delivery are improved.

A catheter for changing or manipulating a shape of a surrounding anatomical structure or position the catheter in relation to said surrounding anatomical structure has distal and proximal ends. Further the catheter includes at least a first body extending along the catheter in the distal end portion of the catheter, wherein said body has an activated state and inactivated state. In said activated state a second diameter or a second volume of the body is bigger than a first diameter or a first volume of the body in said inactivated state. In addition, in said activated state said body is configured to support the catheter to an anatomical structure surrounded the catheter, such as e.g. chordae, blood vessel or urethra, and thereby change a relative position of the catheter and the surrounding anatomical structure and again to change or manipulate the shape of the surrounding anatomical structure or position the catheter in relation to said surrounding anatomical structure.

An ablation balloon catheter includes an outer catheter shaft and an inflatable balloon coupled to the outer catheter shaft at a first end. The catheter includes a translatable nose end to which the second end of the inflatable balloon is coupled. The catheter has a first electrode basket having a plurality of first sample strips. A second electrode basket is provided, the second electrode basket having a plurality of second splines. The second electrode basket is disposed above the first electrode basket. The catheter has an actuator for axially translating the nasal end to cause the first and second electrode baskets to move to a collapsed state when the balloon is deflated. The plurality of first splines and the plurality of second splines are configured to deploy and radially expand with the inflatable balloon inflated, the plurality of first splines being interposed between the plurality of second splines.

The utility model relates to a thrombolysis catheter which comprises an outer catheter provided with a main body tube, the far end side of the main body tube is provided with a perfusion section, and the perfusion section is provided with a plurality of perfusion holes arranged at intervals in the axial direction; the inner pushing pipe is provided with a pipe body, and the pipe body is arranged in the main body pipe in a sliding and penetrating mode so as to selectively cover at least part of the perfusion holes and further adjust the effective length of the perfusion section; the core rod is arranged in the inner push tube and the outer guide tube in a sliding and penetrating manner; the plugging device comprises a capturing part located on the far-end side and a plugging part located on the near-end side, the capturing part and the plugging part are connected with each other, and the far end of the core rod is fixedly connected with the near end of the plugging part. The thrombolysis catheter can capture thrombus falling from the blood vessel wall, and is simple to operate and high in thrombus removal efficiency.

An ICE imaging system is disclosed, which comprises an Intracardiac echocardiography (ICE) catheter having a longitudinal axis, a proximal end, and a distal end. The ICE catheter corresponds to a micro-electromechanical (MEMS) or other transducer based phased array ultrasound catheter with an out diameter of 6 French or smaller for delivery through an internal jugular, subclavian, axillary, innominate venous system into heart chambers for the purpose of lead placement for a pacemaker or other implantable cardioverter defibrillator (ICD) device. Further, a catheter shaft houses an electronic flex cable which is in communication with at least one signal trace, and is configured to direct a plurality of transducer array elements to transmit and receive ultrasound beams, receive at least one signal from the plurality of transducer array elements, and construct at least one image of at least a portion of the heart based on the at least one signal.

A wearable medical device and a catheter assembly are provided. In an exemplary embodiment, the catheter assembly comprises a catheter elbow and a catheter passing through the catheter elbow. The catheter comprises an external catheter portion on a first side of the catheter elbow and an internal catheter portion on a second side of the catheter elbow. The assembly further comprises a cuff covering a portion of the internal catheter portion extending from the catheter elbow, a delivery module connected to a pump and attached to one end of the catheter, and a retaining module holding the delivery module.