35 results about "Vascular surgery procedure" patented technology

A device is provided for endoluminal delivery of a luminary graft. As applied in the vascular system, the device comprises a catheter configured to be advanced endovascularly to a graft location. A generally tubular temporary stent having a distal end and a proximal end is tapered and attached to the catheter at the proximal end. The temporary stent comprises helically braided thread members that expand radially outwardly to a maximum diameter in a resting state. The temporary stent terminates in discrete ends temporarily affixed to the graft at the distal end. A tubular sheath selectively and reversibly radially constrains the temporary stent. The sheath is configured to be longitudinally moveable relative the temporary stent to constrain and reconstrain the temporary stent when positioned over the temporary stent, and to release the temporary stent when withdrawn from over the temporary stent. Optionally, a perfusion balloon may be combined with the temporary stent to stabilize the graft during vascular surgical treatment.

An artificial blood vessel, a self-elastic blood vessel scaffold and their feeder for the surgical operation of blood vessel are disclosed. Said scaffold is fixed in the artificial blood vessel. Said feeder may be thecal tube type or silk binding type. It is suitable for treating the aortic lesion.

The present invention relates to derivatives and analogues of adenine of the formula: wherein L, A, Y and Z are those defined herein. Compounds of the present invention are useful in inhibiting adenylyl cyclase activity. The present invention also relates to a method of preventing and inhibiting a patient's fibroproliferative vasculopathy following vascular injury or a vascular surgical operation which includes administering to the patient, an effective amount of a compound according to the invention subsequent to a vascular injury, or subsequent to a vascular surgical operation, for one to two weeks after the injury or surgical operation, effective to treat or prevent a patient's fibroproliferative vasculopathy such as chronic allograft rejection or vascular restenosis following vascular trauma. The present invention also relates to a method for measuring the inhibition of adenylyl cyclase activity and a method for treating congestive heart failure.

A novel thrombus cleaning apparatus, the invention relates to a thrombus cleaning apparatus of surgical operation in order to solve the problem that the accurate and complicated surgical operation is difficult to perform in a narrow blood vessel cavity. The thrombus cleaning apparatus comprises a shape memory material minitype driver 1, a minitype connector 2 and a minitype vessel 3, the shape memory material minitype driver 1 and the minitype connector 2 are connected and mounted in the minitype vessel 3 together. The invention has simple design and manufacture, can satisfy the requirement that the accurate and complicated surgical operation can be performed in the narrow blood vessel cavity.

The invention belongs to the technical field of medical supplies, relates to medical treatment instruments, in particular to a pair of fibrovascular scissors with a syringe. During a vascular surgical operation, for small vessels with small diameters, bad vessel filling and thickened vessel walls, contralateral walls are easy to injure, vascular incision and anastomosis are difficult and surgical operation risks are increased by using the fibrovascular scissors. A syringe cavity is formed in a scissor body on one side of the fibrovascular scissors, a syringe piston is loaded in the syringe cavity and a syringe piston handle is exposed to the opening of the scissor body; a syringe needle is embedded in a needle hole communicated with the end part of the syringe cavity, and the needle hole is positioned in the other side of a scissor blade body; the syringe needle at the scissor sharp part is longer than the scissor blade; during the operation, the guide needle is positioned before the scissors, so that the fact that the fibrovascular scissors are positioned in the vessel before vessel shearing is guaranteed, the vessel filling is ensured and the clarity of a partial operative field is kept during the process of shearing the vessel.

Devices and methods for attaching an end of a body vessel to another body vessel are disclosed. An adhesive may be used along with a rigid member having one or more protrusions. The invention is useful in surgery, especially vascular surgery and the creation of anastomoses.

An improved stabilizing tool functions in complement with conventional vascular surgical, interventional, cardiological and urological medical radiological, devices among others. Provided is a combinational set of tubular housing elements having alternate fail-safe securement mechanisms which prevents contamination while being operable, generally by a skilled surgeon with one of his two hands, leaving the other free to perform required surgical tasks.

The present invention provides a method for the prevention and / or reduction of peri- or postoperative complications following surgical intervention, such as complications following vascular surgery, especially peripheral vascular surgery, comprising administering a therapeutically effective amount of Annexin (A5) or a functional analogue or variant thereof to a patient in need of such treatment, Also provided is a pharmaceutical composition comprising a therapeutically effective amount of Annexin (A5) or a functional analogue or variant thereof for use in the prevention and / or reduction of peri- or postoperative complications following surgical intervention, such as complications following vascular surgery, especially peripheral vascular surgery.

The invention discloses a laser surgery apparatus used for vascular surgery. One end of a surgery catheter is provided with a handle fixing seat, the upper end of which is provided with a hand-holding block. The lower end of the handle fixing seat is provided with a handle. One end of the handle is provided with a control device. One end of the hand-holding block is provided with an image device. One ends of the image device and the control device are provided with a laser device and connected with the laser device. The interior of the surgery catheter is provided with laser fibers, endoscope fibers and a blood flushing port. The outer end of the surgery catheter is provided with a sliding block. The laser surgery apparatus used for vascular surgery has the following beneficial effects: the laser surgery apparatus is simple in structure and reasonable in design; through an imaging device, blood vessels of a patient are observed; through the control device, the laser controller is controlled; lesion locations of the patient can be accurately irradiated by the laser fibers; the vascular surgery is safer and more accurate and reliable with good therapeutic effect; the pain of a patient is effectively reduced; and rapid recovery of the patient is promoted.

The invention relates to the technical field of medical instruments, and discloses vascular transplantation equipment for cardiovascular surgery. The equipment comprises two handle rods, cutter blocksare fixedly mounted at the bottoms of the two handle rods, a fixer is fixedly mounted at the junction of the two handle rods, a rotating disc is fixedly mounted on the front surface of the fixer, anda rotating disc is fixedly mounted on the back surface of the fixer. A miniature camera is movably clamped to the front face of the rotating disc, holding rings are fixedly mounted at the tops of thetwo handle rods, and rubber rings are fixedly mounted on the front faces of the interiors of the two holding rings. According to the vascular transplantation equipment for the cardiovascular surgery,the purposes of easy observation and good shearing effect are achieved by arranging the knife block, the handle rods, the miniature camera and the like, the included angle between the knife block andthe handle rod is 60 degrees, so that the situation of obviously obstructing the view during working is avoided, the knife block is of an obvious triangular structure, and the shearing effect is good; and meanwhile, the miniature camera is matched, so that the operation picture and the internal condition can be timely and effectively transmitted in real time.

A trans-vascular surgical method includes forming an artificial opening in a blood vessel of a patient's vascular system at a substantially predetermined location and moving a distal end portion of a medical instrument through at least a section of the patient's vascular system and through the artificial opening. A surgical port device is disposed inside the blood vessel to inhibit blood from exiting the patient's vascular system through the artificial opening while permitting extension of the distal end portion of the medical instrument through the artificial opening. After moving the distal end portion of the medical instrument through the artificial opening, the medical instrument is operated to perform a medical procedure operation inside the patient.

The invention relates to the technical field of medical instruments and equipment, and discloses a hemostasis device for vascular surgery. The device comprises a first shell, a second shell, an elastic bandage and a hemostasis device, a rectangular connector is formed in the position, close to the middle, of one side of the front face of the first shell, the second shell is movably installed on the inner wall of the rectangular connector, the elastic bandage is fixedly installed on the side, close to a sliding cover, of the outer wall of the top end of the first shell, and the hemostasis device is arranged in the second shell. According to the hemostasis device for vascular surgery, the rectangular connector is formed in the middle of the outer wall of the back of the first shell; the outer wall of the rectangular connector is movably connected with the second shell; the h hemostasis device is arranged in the second shell, a sliding cover is fixedly installed on the outer wall of the top end of the second shell, a groove is formed in the lower end of the sliding cover, the inner wall of the groove is movably connected with the outer wall of the sliding cover, the hemostasis devicecan be replaced conveniently by opening the second shell, operation is easy and convenient, hemostatic cotton is movably installed on the inner wall of the bottom of the second shell, and the hemostasis device can be recycled.

A cardiovascular surgical drainage device with fixing and supporting functions comprises a bed board, guardrails are arranged at the edge of the top face of the bed board, a fence is arranged at the edge of the bottom face of the bed board, supporting legs are arranged at the corners of the bottom face of the bed board, a containing plate is arranged between the supporting legs, a fixing assembly is arranged on one side of the fence, and a drainage assembly is arranged on the fixing assembly. A supporting assembly is arranged between the guardrails on the two sides in the length direction of the bed board. An electrical box is arranged on the top surface of the placement plate, and a controller is mounted in the electrical box; through the drainage assembly, the height of the bent end of the drainage tube can be controlled, and then the drainage amount is adjusted; ultraviolet rays are utilized to sterilize and disinfect the bent part of the drainage tube through the sterilization assembly, so that the situation that bacteria are bred in drainage liquid remaining in the bent part and the rehabilitation of a patient is affected is avoided; through the supporting assembly, the connecting end of the drainage tube and the patient can be fixed and supported, and the position of the connecting rope and the position of the supporting block on the connecting rope can be flexibly adjusted according to the actual situation of the patient.

The invention discloses a closure instrument for vascular surgery, which comprises a hose structure, a catheter tube body, a straightening tube, a reinforcing structure and a closure assembly, whereinthe hose structure comprises a front end soft terminal and a front end soft portion, the right side of the front end soft terminal is connected with the front end soft portion, the right side of thefront end soft portion is connected with the catheter tube body, the right side of the catheter tube body is connected with the straightening tube, and the right side of the straightening tube is connected with the reinforcing structure. The reinforcing structure comprises a reinforcing catheter and a hand side reinforcing catheter. The right side of the reinforcing tube is connected with the handside reinforcing catheter. The right side of the hand side reinforcing catheter is connected with the closure assembly. A coagulant box, a guide wire box and a micro condensing box are arranged inside the closure assembly. The upper and lower sides of the closure assembly are provided with a control switch. The closure instrument for the vascular surgery can timely block the blood flowing out ofbroken blood vessels during the vascular surgery, and is safe, highly effective and capable of improving the efficiency of the surgery.

The invention provides methods for suppressing neointimal formation resulting from vascular surgery, comprising administering to a patient having vascular surgery one or more inhibitors of CDK8 / 19.

The present invention provides a method for the prevention and / or reduction of peri- or postoperative complications following surgical intervention, such as complications following vascular surgery, especially peripheral vascular surgery, comprising administering a therapeutically effective amount of Annexin A5 or a functional analogue or variant thereof to a patient in need of such treatment. Also provided is a pharmaceutical composition comprising a therapeutically effective amount of Annexin A5 or a functional analogue or variant thereof for use in the prevention and / or reduction of peri- or postoperative complications following surgical intervention, such as complications following vascular surgery, especially peripheral vascular surgery.

A catheter (1) and vein repair method that enables vein repair surgeries without any bleeding and without hindering blood flow in veins through bypassing the blood flow in the vein to be operated and by preventing any diseases arisen due to stop of blood flow of the organ fed by the associated vein and that sustains blood flow by means of vein bypass in the course of vascular surgeries implemented for surgical processes related to veins in human body and that comprises one balloon (3) on each point close to its both ends, protective layer (4) positioned on the balloons (3); second path (5) enabling deflation inflation of the balloons (3), having monolithic pipe shape adhered to the first path (2) side by side, whose one open end terminates within the balloon (3); check valve apparatus (7) that is monolithic with back end of the second path (5) and provides substances such as air and liquid with the injector for inflation deflation of the balloon (3); protective segment (6) surrounding externally the first path (2) and second path (5), thus preventing their blockage when compressed, that may have various lengths from back end of the balloon (3) to the backside of the catheter (1), that is monolithic along with the first path (2) and the second path (5); cover (8) that prevents the catheter apparatus (1) going out of the vein or its movement, that is located on body side of the catheter apparatus (1), positioned on back of the balloon (3), that can be moved over the catheter apparatus (1) as it is wider than body of the catheter apparatus (1), that has flexible structure having both ends open, that can have the shape of funnel or circle or ellipsis or different shapes; clamping apparatus (9) used to fix the cover on its relevant location; at least one third path (10) in the shape of pipe with both ends open, whose one end is positioned within first path (2), other end is located out of first path (2) and used to draw the liquid or air; connection apparatus (11) that is integrated with outer back end of third path (10) and that enables connection with the external injector and the catheters.

In a monitoring method and device for monitoring a medical procedure, in particular a vascular surgery operation, at least one monitoring measurement in a monitoring region is acquired by a medical imaging device, and the at least one monitoring measurement takes place essentially simultaneously with the medical procedure.

A blood vessel clamp for vascular surgery effectively solves the problems that a conventional blood vessel clamp for vascular surgery is inconvenient to operate, occupies a large surgical operation space and is uncontrollable in clamping force and likely to damage the blood vessel. The blood vessel clamp comprises a base, a clamping mechanism and a one-way air bag; the clamping mechanism can rotate on the base, sleeves are hinged to clamp rods and a frame through connecting rods, a transverse rod slides front and back to form a structure making the two clamp rods get close to or away from eachother, the front end of each clamp rod is provided with a clamp head, each clamp head is provided with a clamping air bag, the clamping air bags, the one-way air bag and a pushing mechanism are communicated with the inside of a cavity through guide tubes, and the clamping air bags, the cavity, the pushing mechanism and the one-way air bag cooperate to form a structure for automatic locking of theclamping mechanism. The blood vessel clamp is novel in structure and ingenious in concept, and can help medical staff to cope with complicated situations in vascular surgery and avoid damage to the blood vessels of patients.

A catheter (1) and vein repair method that enables vein repair surgeries without any bleeding and without hindering blood flow in veins through bypassing the blood flow in the vein to be operated and by preventing any diseases arisen due to stop of blood flow of the organ fed by the associated vein and that sustains blood flow by means of vein bypass in the course of vascular surgeries implemented for surgical processes related to veins in human body and that comprises one balloon (3) on each point close to its both ends, protective layer (4) positioned on the balloons (3); second path (5) enabling deflation inflation of the balloons (3), having monolithic pipe shape adhered to the first path (2) side by side, whose one open end terminates within the balloon (3); check valve apparatus (7) that is monolithic with back end of the second path (5) and provides substances such as air and liquid with the injector for inflation deflation of the balloon (3); protective segment (6) surrounding externally the first path (2) and second path (5), thus preventing their blockage when compressed, that may have various lengths from back end of the balloon (3) to the backside of the catheter (1), that is monolithic along with the first path (2) and the second path (5); cover (8) that prevents the catheter apparatus (1) going out of the vein or its movement, that is located on body side of the catheter apparatus (1), positioned on back of the balloon (3), that can be moved over the catheter apparatus (1) as it is wider than body of the catheter apparatus (1), that has flexible structure having both ends open, that can have the shape of funnel or circle or ellipsis or different shapes; clamping apparatus (9) used to fix the cover on its relevant location; at least one third path (10) in the shape of pipe with both ends open, whose one end is positioned within first path (2), other end is located out of first path (2) and used to draw the liquid or air; connection apparatus (11) that is integrated with outer back end of third path (10) and that enables connection with the external injector and the catheters.

The invention discloses a high-degree-of-freedom manipulator for vascular surgery in the technical field of surgical manipulators, including a base, a controller is arranged in the base; a support table, including a table body arranged on the top of the base, the The top of table body is provided with motor one; Connecting arm one, comprises the connecting arm one body that is arranged on the top power end of motor one, and described connecting arm one body is provided with motor two; Connecting arm two, includes being arranged on motor two power The body of the connecting arm two on the end is provided with a motor three; the electric push rod one can drive the electric push rod one to rotate through the motor three, and the electric push rod one can drive the connecting plate to move laterally, and the electric push rod one can drive the connecting plate to move laterally, and the electric push rod one can drive the connecting plate to move laterally. Fourth, it can drive the support frame to rotate, and then can drive the surgical actuator on the splint to rotate, which greatly improves the degree of freedom and reduces the restrictions on the use of the surgical actuator.

The invention discloses a high-degree-of-freedom manipulator for vascular surgery, and belongs to the technical field of manipulators for surgery. The high-degree-of-freedom manipulator comprises a base, a support table, a first connecting arm , a second connecting arm and a first electric push rod ; and a controller is arranged in the base; the support table comprises a table body arranged at the top of the base, and a first motor is arranged at the top of the table body; the first connecting arm comprises a first connecting arm body arranged at the top power end of the first motor, and a second motor is arranged on the first connecting arm body; the second connecting arm comprises a second connecting arm body arranged at the power end of the second motor, and a third motor is arranged on the second connecting arm body; and the first electric push rod can be driven to rotate through the third motor, a connecting plate can be driven to move transversely through the first electric push rod, a support frame can be driven to rotate through a fourth motor, then an operation executing part on the clamping plate can be driven to rotate, the degree of freedom is greatly improved, and limitation of the operation executing part in use is reduced.

Disclosed are a stent delivery apparatus and / or system. The stent delivery apparatus and / or system includes a hollow tubular body with a proximal opening at a proximal end of the hollow tubular body and a distal opening at a distal end of the hollow tubular body. The hollow tubular body can define the proximal opening and the distal opening. A support rod can be passed through the proximal opening and / or the distal opening. The support rod may have a tip, and tip can be olive shaped. A stent may be supported by and / or surround the support rod. The tip of the support rod may also engage with the stent during delivery.

An artificial blood vessel, a self-elastic blood vessel scaffold and their feeder for the surgical operation of blood vessel are disclosed. Said scaffold is fixed in the artificial blood vessel. Said feeder may be thecal tube type or silk binding type. It is suitable for treating the aortic lesion.

The invention relates to the technical field of medical devices, and discloses a blood vessel grafting device for cardiovascular surgery, which includes two handles, the bottoms of which are fixedly equipped with knife blocks, and the junction of the two handles is A fixer is fixedly installed on the front of the fixer, and a rotating disc is fixedly installed on the front of the fixer. The front of the rotating disc is movable and connected with a miniature camera. The tops of the two handles are fixedly equipped with grip rings, and the two Rubber rings are fixedly installed on the inner fronts of each grip ring. The blood vessel transplantation equipment for cardiovascular surgery achieves the purpose of easy observation and good cutting effect by being equipped with a knife block, a handle bar and a miniature camera, because the knife block and the handle bar form an angle of 60 degrees, so when working There will be no obvious obstruction of the field of view, and the knife block has an obvious triangular structure, which has a good cutting effect. At the same time, it is equipped with a micro camera, which can timely and effectively transmit the operation picture and the internal situation in real time.

The invention discloses an easy-to-operate vascular surgery occlusion device, specifically relates to the technical field of medical instruments, comprising a device tube body, one end of the device tube body is fixedly provided with a connection fixing tube, and the other end of the device tube body is fixed A plugging head is provided, and a puncture outer tube is set on the outside of the tube body of the device; a sealing rubber ring is fixedly installed on the outer ring of the plugging head, and a connecting rubber tube is fixedly installed inside the tube body of the device, and the connecting rubber tube A connecting intubation tube is fixedly arranged between one end and the sealing rubber ring, and a flexible bladder is fixedly arranged at one end of the connecting fixed pipe. In the present invention, the tube body of the puncture outer tube carrying device is implanted into the patient's blood vessel, and the movable pressure sleeve is screwed into the connecting fixed tube to compress the telescopic bag, the connecting rubber ring expands to block the blood vessel, and the transfer tube controls the blood in the blood vessel. Drainage, to avoid affecting the patient's blood circulation, facilitate the surgical operation, and facilitate the use of the blocking device.

The invention discloses a puncture device for thoracic surgery, and belongs to the technical field of cardiovascular surgery. A puncture device for the thoracic surgery comprises a puncture needle used for puncturing and extracting effusion and further comprises: a first base and a second base which are used for supporting. a liquid bottle which is movably mounted on the first base; a first sleeve which is fixedly connected to the first base; a second sleeve which is fixedly connected to the second base; and two second connecting plates which are fixedly connected to the first sleeve and the second sleeve respectively. A puncture needle can be clamped by arranging a puncture needle supporting rod and a pressing block, the situation that a medical worker needs to support the puncture needle for a long time is avoided, and then the situation that a patient is injured due to shaking of the puncture needle possibly caused by fatigue is avoided, a first supporting column and a second supporting column can synchronously move through a chain, a driving shaft and a driven shaft, therefore, the puncture needle moves stably.

The invention relates to a blocking instrument for a vascular surgery, and relates to the technical field of medical instruments. The blocking instrument comprises a blocking device and a blocking mechanism arranged in the blocking device, wherein the blocking device further comprises a tubular shell, a movable supporting leg and a fixed shaft sleeve; and the blocking mechanism further comprises a blocking tube, a blocking connecting rod and a movable shaft sleeve. By the device, during the vascular surgery, blood flowing out of a broken blood vessel can be blocked in time and a wounded part can be cleaned, the blocking instrument is safe and efficient, the surgery efficiency is improved, life safety of a patient is guaranteed, and meanwhile, the circumstance that medical gauzes and medical cotton remain in the body of a patient after the surgery is finished is avoided.