73 results about "Indwelling Device" patented technology

To provide a puncture device in which a puncture needle is stuck into a predetermined region certainly and an indwelling device can be indwelled, the puncture device is provided for puncturing skin (dermis) by a puncture needle. This puncture device is provided with a puncture needle, an indwelling device indwelled in the skin by the puncture needle, a skin deforming mechanism for deforming the skin which is provided with a fixing portion having a space in an inside constituted by a bottom face portion and a peripheral wall portion 5b. In addition, an insertion portion for inserting the puncture needle is formed at the peripheral wall portion, the puncture needle is inserted from the insertion portion, and the skin deformed into the space by the skin deforming mechanism is adapted to be punctured.

An indwelling apparatus (5) for holding a capsule endoscope (3) is arranged with a control device (57) including an optical sensor (73), a control board (66) configuring a controller and a reset circuit, a driver board (68) configuring an electromagnet driver, and an electromagnet (70), where when the optical sensor (73) detects the light, the controller performs the drive control of the electromagnet (70) at every constant time interval to turn ON the reed switch (14) and supply power to the capsule endoscope (3) thereby operating the capsule endoscope (3) only when observation is necessary, and thus the battery drain of the capsule endoscope is reduced.

A stent graft indwelling device (1) comprising a dilator (10) and a sheath (30) in which the dilator (10) and a stent graft (60) are to be loaded, the stent graft indwelling device (1) having a wire (40) or a fixed chip (20) as means for adjusting the insertion angle and/or indwelling site of the stent graft (60) when the stent graft (60) is released from the sheath (30) in a diseased part by this indwelling device, so that the insertion angle and indwelling site can be finely adjusted in a blood vessel in a semi-expansion state where the stent graft is not completely expanded

A disposable transfusion needle comprises a needle tube and a needle handle arranged at the rear part of the needle tube and is characterized in that a limiting structure which acts on a puncturing type connecting piece of an indwelling device and limits the needle handle to do lateral movement relative to the puncturing type connecting piece of the indwelling device is arranged on the needle handle. The disposable transfusion needle and the end surface of the puncturing type connecting piece of the indwelling device are in abut joint to form a whole, breakage force acting on the transfusion needle can be lowered or eliminated when the limbs of a patient or a transfusion device moves, so that the occurrence of breakage phenomenon of the needle tube can be effectively reduced.

A medical device for insertion into a body having a surface covered by a detachable cover. The cover may be detached from the surface and removed from the body while the device is inserted in the body. The device may be, for example, a catheter, cannula, drain, stent, pacemaker, or electrode.

An adjunctive accessory article (25) for controlled release of at least a single physiologically active agent form an indwelling medical device so equipped is provided. The article is configurable as a tubular element upon a portion of the indwelling medical device, with barriers or facilitating coverings overlaying the carrier in furtherance of the controlled release of the active agent. To the extent that requires, affixation means for stable placement upon an indwelling device are further contemplated. Finally, a variety of application systems are described in connection to deployment of sleeve articles upon a portion of an indwelling device.

The invention discloses a special urine bag for a critical patient carrying with an indwelling ureter for a long time. A main body comprises a ureter and a urine bag and further comprises a pressure sensor, a pressure valve, a flow sensor, a urine component detection element, a weight sensor, an alarm and a communication module. Since the pressure sensor and the pressure valve are arranged on the traditional urine bag structure, the pressure sensor can detect the internal pressure of a human bladder, so that drainage is realized in cooperation with the pressure valve and the effect of simulating a human normal bladder function is achieved. Since the flow sensor and the urine component detection element are arranged, urine drainage amount and urine components at each time can be acquired and analyzed and can be transmitted to an intelligent terminal, so that the health condition can be always monitored, and doctors can know the illness state of the patient in the first time and change the treatment plan in time. Since the weight sensor and the alarm are arranged at the lower end of the urine bag, when the urine amount in the urine bag exceeds the range set by nurses, an alarm can be given out.

The invention is directed to a balloon catheter comprising, in addition to one or more balloons and one or more inflating/deflating conduits having a novel design which enables a predetermined sequence of inflation/deflation of a number of balloons via a single lumen. The invention is also directed to an indwelling device for direct organ (renal) perfusion to be harnessed to a standard single lumen pump drive. The invention is also directed to perfusion of a side branch vessel (e.g. renal artery) from a main branch vessel (e.g. aorta) with minimal risk of obstructing the target vessel.

An indwelling device delivery system including a hollow shaft, a dilatable balloon mounted on a circumference of a distal part of the shaft, and an indwelling device mounted on a circumference of the balloon and expanded by dilatation of the balloon. The balloon has a plurality of protrusions for adhering to the indwelling device and the protrusions are constructed so as to elicit adhesion force based on physical adhesion due to van der Waals force by means of creating more surface area.

A placement device (10) for a blood vessel treatment instrument has an introducer sheath (14) functioning as an outer tube, and also has an inner tube (16). The introducer sheath (14) has a flexible, tube-shaped sheath body (18) and a hub (20) into which the base end of the sheath body (18) is inserted. The hub (20) takes up the base end of the sheath body (18) into the hub (20) by means of winding shafts (30, 32) while tearing the base end of the sheath body (18) by cutting blades (72, 74), and thus the length of extension of the sheath body (18) from the hub (20) can be reduced.

The invention relates to the technical field of medicines, in particular to an intervertebral movable indwelling device and its integrated implanting apparatus and method. The intervertebral movable indwelling device comprises an upper bone plate, a liner, a vertebral core and a lower bone plate, wherein the liner is embedded in the upper bone plate, the vertebral core is inserted in the lower bone plate, and the liner and the vertebral core form a spherical friction pair in clearance fit. The integrated implanting apparatus comprises a clamp rod, a grip and a knob, wherein a taper joint at the tail of the grip is inserted in a rotary cavity at the end of the knob so that the grip and the knob can rotate freely, and the clamp rod penetrates the inner cavity of the grip and then is connected with internal thread of the knob. By the intervertebral movable indwelling device and its integrated implanting apparatus and method, doctors can complete multi-directional surgical operation without surgical reproduction instruments, and relative motion between the product and the implanting apparatus due to operations such as shifting and adjusting in different directions can be avoided.

The invention discloses a negative-pressure gastrolavage device for a pediatric department, and relates to the field of clinical care. The gastrolavage device comprises a T-shaped tee joint, a liquidsupplying bag, an indwelling device, a negative pressure device, a liquid inlet tube, a gastrolavage tube and a liquid outlet tube; the T-shaped tee joint is provided with a first branch, a second branch and a third branch, and also comprises an L-shaped channel ball valve and a ball valve handle; the first branch is connected with the liquid supplying bag through the liquid inlet tube, the secondbranch is connected with the indwelling device through the gastrolavage tube, the third branch is connected with the negative pressure device through the liquid outlet tube, the indwelling device isof a subcircular expanding structure, and an opening is formed in the indwelling device. By adopting the negative-pressure gastrolavage device provided by the invention, the negative-pressure gastrolavage operation of pediatric patients can be simply and effectively realized, and the technical effect of not damaging the gastric mucosa can be realized.

Catheters used for medical treatment, e.g., hemodialysis are filled with a locking solution, usually heparin between treatments. To prevent infections, antimicrobial or antibiotic substances have been used as locking solution alone or in combination with antithrombotic substances. It has been found that these locking solutions are rapidly washed out from the catheter tip. The invention describes a thixotropic gel that can be used as locking solution. Beneficial substances, e.g., antimicrobial or antibiotic substances can be added to the gel. A preferred antimicrobial substance is taurolidin alone or in combination with salicylic acid or one of its salts.

The invention relates to the technical field of medicines, in particular to an intervertebral movable indwelling device and its assembled implanting apparatus and method, and discloses an intervertebral movable indwelling device and its corresponding assembled implanting apparatus. The intervertebral movable indwelling device comprises an upper bone plate, a liner, a vertebral core and a lower bone plate, wherein the liner is embedded in the upper bone plate, the vertebral core is inserted in the lower bone plate, and the liner and the vertebral core form a spherical friction pair in clearance fit. The assembled implanting apparatus comprises a holder, a retainer, a grip, a retracting rod and a knob, wherein the holder and the retainer form an assembled clamping member which is further assembled with the intervertebral movable indwelling device to be subjected to aseptic packaging, the grip, and the retracting rod and the knob form a clamp outer transmission member which is connectedwith the assembled clamp member packaged with the intervertebral movable indwelling device. During surgical operation, the clamp outer transmission member and the assembled intervertebral movable indwelling device in aseptic packaging are combined to complete clamping, thereby facilitating implanting.

The invention provides a novel transurethral bladder tumor electrocision electrode with a hook-shaped structure. The electrocision electrode comprises a urethral catheter which is smooth in appearanceand free of sharp protruding structures, a sight glass tube and an electrode catheter are arranged in the urethral catheter, an indwelling device sleeving the outer wall of the electrode catheter isarranged in the urethral catheter, and the electrode catheter is slidably connected to the indwelling device through a sliding way; hollow bearings are symmetrically fixed to the two ends of the interior of the electrode catheter, a cable catheter penetrates through the interior of each of the two sets of bearings, and the end, placed in the bladder, of the cable catheter is connected to an electrocision electrode of a hook-shaped structure; the electrocision electrode is convenient to rotate and adjust in the angle direction, the urethral catheter is stably attached to the urethra in the adjusting process, and damage of the catheter to the urethral wall is reduced; and the electrocision electrode is of a hook-shaped structure, the contact surface between the electrocision electrode and atumor is reduced, burn damage to the inner wall of the bladder is reduced during electrocision, the hook end of the hook-shaped structure can lift and tear the tumor to separate the tumor from the inner wall of the bladder, and the electrocision electrode is convenient to use.

An indwelling device for insertion in a biological tubular structure comprising an elongated device having a body and opposing ends. The body has a bending stiffness transverse to a longitudinal axis that is greater than a stiffness of the biological tubular structure. An atraumatic tip member, having a proximal end and a distal end, extends from the end of the elongated device. The proximal end has a first bending stiffness transverse to a longitudinal axis and the distal end has a second bending stiffness transverse to the longitudinal axis, wherein the second bending stiffness being less than the first bending stiffness.

The purpose of the present invention is to provide a medical institution that facilitates self-sampling by patients when the patient's urine is sampled for inspection, simplifies the sampling process for medical staff, and performs compact and airtight urine sample collection and inspection operations. The structure is simple, easy to process, and cannot be reused. Self-destructing body fluid-tight indwelling device. It includes a flow guide and a liquid storage assembly. The flow guide is composed of a funnel body and a connecting body. The liquid storage assembly is composed of a one-way valve and a test tube. The funnel body and the connection body are integrally formed. The exhaust hole, the nozzle of the test tube is equipped with a one-way valve, the one-way valve is connected with the connecting body, the diversion channel and the exhaust hole are connected to the test tube, the swelling substance is placed in the exhaust hole, and when the sampling is finished, the swelling substance absorbs The expansion of the liquid will block the exhaust hole, which cannot be removed under normal circumstances, and the flow guide will lose the function of guiding the flow into the airtight liquid storage component, so as to achieve the purpose of self-destruction.

The invention discloses a multifunctional coaxial outer sleeve self-sealing type vein indwelling device. The device comprises an annular splint and a connecting tube. An outer barrel is obliquely fixed to the left side of the annular splint through a fixing ring, an outlet is formed in the upper end of the right side of the outer barrel, and an inlet is formed in the upper end of the left side of the outer barrel. An inner barrel is coaxially sleeved with an inner cavity of the outer barrel, a piston is arranged at the end, close to the outlet, of the inner barrel, a screw is arranged at the other end of the inner barrel, and the screw penetrates through a screw hole in the lower end of the outer barrel. According to the multifunctional coaxial outer sleeve self-sealing type vein indwelling device, the outer barrel is arranged on the annular splint, the inner barrel is coaxially arranged in the outer barrel, the piston of the inner barrel is pushed by rotating the screw to open or close the inlet, and the self-sealing effect of the device is achieved; the annular splint is matched with an elastic band, wearing is convenient, a magnet therapy block is arranged, and therefore indwelling portions can be subjected to magnet therapy nursing during vein indwelling. The device has multiple functions, and is convenient to use.

The purpose of the present invention is to provide a medical institution that facilitates self-sampling by the patient when the patient's urine is sampled for inspection, simplifies the sampling process for medical staff, and performs the urine sample collection and inspection operations in a compact, connected and airtight manner. The structure is simple, the processing is easy, and it cannot be reused Self-destructing body fluid-tight indwelling device. It includes a flow guide and a liquid storage assembly. The flow guide is composed of a funnel body and a connecting body. The liquid storage assembly is composed of a one-way valve and a test tube. The funnel body and the connection body are integrally formed. Exhaust channel, the nozzle of the test tube is equipped with a one-way valve, the one-way valve is connected with the connecting body, and the diversion channel and the exhaust channel are connected to the test tube. The exhaust channel is provided with a fine-pore structure. The exhaust hole is blocked in the pores, which cannot be removed under normal conditions, and the guide member loses the function of guiding flow into the airtight liquid storage component to achieve the purpose of self-destruction.