CN114515380A

CN114515380A - Human body peripheral arterial intracavity pressure device

Info

Publication number: CN114515380A
Application number: CN202210263765.9A
Authority: CN
Inventors: 张光磊
Original assignee: FIRST AFFILIATED HOSPITAL OF TIANJIN UNIVERSITY OF TRADITIONAL CHINESE MEDICINE
Current assignee: FIRST AFFILIATED HOSPITAL OF TIANJIN UNIVERSITY OF TRADITIONAL CHINESE MEDICINE
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-05-20

Abstract

The invention discloses a human body peripheral arterial intracavity pressurizing device, which belongs to the technical field of medical instruments and comprises a peristaltic pump, a vascular sheath, an injection catheter and a connecting pipeline, wherein an input port of the peristaltic pump is communicated with one end of an input pipeline, and an output port of the peristaltic pump is communicated with one end of an output pipeline; the vascular sheath comprises a main pipe, a first joint arranged at one end of the main pipe and a side pipe arranged at one side of the joint, and the side pipe is communicated with the other end of the input pipeline; the injection conduit comprises a second joint and a pipe body which are communicated, and the second joint is communicated with the output pipeline. The jet catheter is inserted into a vascular sheath and is placed into an arterial blood vessel through skin puncture, the peristaltic pump can suck blood outside the far end side of the vascular sheath into the peristaltic pump through the space between the main pipe and the tube body, the side pipe and the input pipeline, and the blood is pressurized and then impacts a vascular occlusion lesion part through the output pipeline and the jet catheter. The invention introduces autologous blood of a patient through a vascular sheath, pressurizes the autologous blood by a peristaltic pump, and then transmits the autologous blood to and impacts a diffuse occlusion lesion part through a jet catheter so as to achieve the purpose of improving limb ischemia.

Description

Human body peripheral arterial intracavity pressure device

Technical Field

The invention belongs to the technical field of medical instruments, and particularly relates to a pressurizing device in a peripheral arterial cavity of a human body.

Background

Arterial occlusive diseases of lower limbs of a human body, particularly diffuse occlusive lesions of small and medium arteries below knee joints can cause severe ischemic necrosis and amputation of feet. At present, vascular intervention operations such as stent implantation and the like are commonly adopted for the lesions, but a good treatment effect cannot be obtained.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provide a human peripheral arterial intracavity pressurizing device which can guide the autologous blood of a patient through a vascular sheath, convey the autologous blood to and impact a diffuse occlusion lesion part through a jet catheter after the autologous blood is pressurized by a peristaltic pump so as to achieve the purpose of improving limb ischemia.

In order to achieve the above object, the present invention provides a device for pressurizing a peripheral artery of a human body, the device comprising:

the input port of the peristaltic pump is communicated with one end of the input pipeline, and the output port of the peristaltic pump is communicated with one end of the output pipeline;

the vascular sheath comprises a main pipe, a first joint arranged at one end of the main pipe and a side pipe arranged at one side of the joint, wherein the main pipe and the side pipe are both communicated with the first joint, and the side pipe is communicated with the other end of the input pipeline;

the injection catheter comprises a second joint and a pipe body which are communicated, the outer diameter of the pipe body is smaller than the inner diameter of the main pipe of the blood vessel sheath, and the second joint is communicated with the output pipeline;

The second joint of the injection catheter is positioned on the outer side of the first joint of the blood vessel sheath, when the end part of the tube body is positioned on the outer side of the main tube of the blood vessel sheath and a diffuse occlusion lesion part of a middle arteriole, the far end of the blood vessel sheath can be hermetically connected with the tube body, the peristaltic pump can suck blood outside the far end side of the blood vessel sheath into the peristaltic pump through the space between the main tube and the tube body, the side tube and the input tube, and the pressurized blood impacts the diffuse occlusion lesion part through the output tube and the injection catheter.

Further, the through-hole diameter of the first joint is adapted to the main pipe inner diameter, and the first joint includes:

the through hole of the joint comprises a mounting hole at the far end of the joint, and the mounting hole is provided with an internal thread;

the plug comprises a mounting section and a connecting section which are coaxial, wherein a circular groove which is coaxial with the through hole of the first joint is arranged at the far end of the mounting section, internal threads are arranged on the side wall of the circular groove, a first sealing ring and a pressing ring are sequentially arranged in the circular groove from near to far, the inner diameter of the pressing ring is matched with the inner diameter of the through hole of the first joint, and external threads matched with the internal threads of the circular groove are arranged on the outer wall of the pressing ring; the connecting section is provided with an external thread matched with the internal thread of the mounting hole; the far end of the outer wall of the connecting section is provided with a sealing ring groove along the circumferential direction of the connecting section, and a second sealing ring is arranged in the sealing ring groove.

Further, first sealing washer internal diameter is less than the through-hole internal diameter of first joint, the inner wall interval of first sealing washer is equipped with several recesses along its circumferencial direction, first sealing washer includes first section and the second section that the coaxial line set up, first section external diameter with the circular slot diameter suits, the second section external diameter with the through-hole internal diameter of first joint suits.

Furthermore, the connecting section sequentially comprises a cylindrical section and a conical head section from the far end to the near end, the cylindrical section is provided with external threads, the diameter of the conical head section is gradually reduced from the far end to the near end, and the conical head section is provided with a plurality of locking grooves along the length direction of the conical head section;

the mounting hole comprises a cylinder hole and a taper hole from a far end to a near end in sequence, the cylinder hole is provided with an internal thread matched with the cylinder section, and the taper of the taper hole is adapted to the taper of the cone head section.

Furthermore, the output pipeline is provided with a filter for filtering blood, the output pipeline comprises a third pipe and a fourth pipe, two ends of the third pipe are respectively communicated with the output port of the peristaltic pump and the input port of the filter, and two ends of the fourth pipe are respectively communicated with the output port of the filter and the second joint of the injection conduit.

Further, the input line comprises a first pipe and a second pipe; the output pipeline is provided with a filter for filtering blood and comprises a third pipe and a fourth pipe; the pressurizing device further comprises a first three-way valve and a second three-way valve, two ends of the first pipe are respectively communicated with the side pipe of the vascular sheath and a first channel of the first three-way valve, two ends of the second pipe are respectively communicated with the first channel of the first three-way valve and an input port of the peristaltic pump, two ends of the third pipe are respectively communicated with an output port of the peristaltic pump and an input port of the filter, two ends of the fourth pipe are respectively communicated with an output port of the filter and a first channel of the second three-way valve, a second channel of the second three-way valve is communicated with a second joint of the injection conduit, and a third channel of the first three-way valve and a third channel of the second three-way valve are both used for being communicated with the injection device.

Further, the vascular sheath further comprises a first fixation member, the first fixation member comprising:

a first fixing plate, one side of which is provided with a first adhesive layer;

the first release paper is arranged on the outer side of the first bonding layer of the first fixing plate;

the first clamping seat is arranged on the other side face of the first fixing plate corresponding to the position of the first joint of the blood vessel sheath and is used for clamping the first joint of the blood vessel sheath;

And the second clamping seat is arranged on the other side surface of the first fixing plate corresponding to the position of the side tube of the blood vessel sheath and is used for clamping the side tube of the blood vessel sheath.

Further, input pipeline/output pipeline is equipped with the second mounting, the second mounting includes:

a second fixing plate, one side of which is provided with a second adhesive layer;

the second release paper is arranged on the outer side of the second bonding layer of the second fixing plate;

and the third clamping seat is arranged on the other side surface of the second fixing plate and is used for clamping the input pipeline or the output pipeline.

Further, the pipe body of injection pipe is equipped with pressure sensor, the peristaltic pump is equipped with the alarm, pressure sensor with the alarm with the controller signal connection of peristaltic pump.

Further, the near-end side of the main pipe is provided with a side hole.

In the human peripheral arterial intracavity pressurizing device provided by the embodiment of the invention, autologous blood of a patient is sucked into the peristaltic pump through the space between the main pipe of the vascular sheath and the pipe body of the injection catheter, the side pipe and the input pipeline, and is pressurized by the peristaltic pump and then conveyed into the arterial cavity through the output pipeline and the injection catheter, so that continuous pulse type pressurizing impact can be applied to a diffuse occlusion lesion part, the diffuse occlusion lesion of the blood vessel is overcome, the smoothness of the inherent artery and the regeneration of the collateral artery are facilitated, the effective blood supply is increased, and limb ischemia symptoms are improved.

Drawings

FIG. 1 is a schematic structural diagram of a device for pressurizing a peripheral arterial lumen of a human body according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a peripheral arterial lumen pressurizing device for human body according to a second embodiment of the present invention;

FIG. 3 is a partial cross-sectional view of a vascular sheath with the stopcock removed in an embodiment of the present invention;

FIG. 4 is a partial cross-sectional view of a stopcock of a vascular sheath according to an embodiment of the present invention;

FIG. 5 is a schematic view of a first fastener according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a second fixing member in the embodiment of the present invention.

Wherein: 1. a peristaltic pump; 11. an alarm; 2. an input pipeline; 21. a first tube; 22. a second tube; 3. An output pipeline; 31. a third tube; 32. a fourth tube; 4. a vascular sheath; 41. a main pipe; 411. a first metal mark; 42. a first joint; 421. a joint; 422. mounting holes; 4221. a cylindrical bore; 4222. a tapered hole; 423. a cock; 424. an installation section; 425. a connecting section; 4251. a cylinder section; 4252. a cone section; 4253. a locking groove; 426. a circular groove; 427. a seal ring groove; 428. a deflector rod; 43. a side tube; 44. a first seal ring; 441. a groove; 442. a first stage; 443. a second stage; 45. pressing a ring; 46. a second seal ring; 47. a side hole; 5. a spray conduit; 51. a second joint; 52. a pipe body; 521. a second metal mark; 53. scale lines; 6. a filter; 71. a second three-way valve; 72. a first three-way valve; 8. a first fixing member; 81. a first fixing plate; 82. a first release paper; 83. a first clamping seat; 84. a second clamping seat; 9. a second fixing member; 91. a second fixing plate; 92. a second release paper; 93. a third clamping seat;

The arrows in the figure indicate the direction of blood flow.

Detailed Description

The invention is described in detail below with reference to the figures and examples:

the invention provides a human body peripheral arterial intracavity pressurizing device, as shown in figures 1 and 2, the pressurizing device comprises a peristaltic pump 1, a blood vessel sheath 4 and a jet catheter 5, wherein an input port of the peristaltic pump 1 is communicated with one end of an input pipeline 2, an output port of the peristaltic pump is communicated with one end of an output pipeline 3, the blood vessel sheath 4 comprises a main pipe 41, a first joint 42 arranged at one end of the main pipe 41 and a side pipe 43 arranged at one side of a joint 421, the main pipe 41 and the side pipe 43 are both communicated with the first joint 42, and the side pipe 43 is communicated with the other end of the input pipeline 2; the injection catheter 5 comprises a second joint 51 and a pipe body 52 which are communicated, the outer diameter of the pipe body 52 is smaller than the inner diameter of the main pipe 41 of the blood vessel sheath 4, and the second joint 51 is communicated with the other end of the output pipeline 3; when the second joint 51 of the injection catheter 5 is positioned outside the first joint 42 of the vascular sheath 4 and the end of the tube 52 is positioned outside the main tube 41 of the vascular sheath 4 and the diffuse occlusion lesion of the middle and small arteries, the distal end of the vascular sheath 4 can be connected to the tube 52 in a sealing manner, and the peristaltic pump 1 can suck blood outside the distal end of the vascular sheath 4 into the peristaltic pump 1 through the space between the main tube 41 and the tube 52, the side tube 43 and the input tube 2, and can impact the diffuse occlusion lesion through the output tube 3 and the injection catheter 5 after pressurization.

The peristaltic pump comprises a peristaltic pump 1, a control panel, a display screen, a flow adjusting button, a battery accommodating cavity and a control panel, wherein the control panel is provided with the display screen and the buttons, the buttons can comprise a speed adjusting button, a pressure adjusting button and the flow adjusting button, and the peristaltic pump is internally provided with the battery accommodating cavity; the end of the main pipe 41 of the blood vessel sheath 4 is provided with a first metal mark 411 for detecting the position under the X-ray, and the end of the pipe body 52 of the injection catheter 5 is provided with a second metal mark 521 for detecting the position under the X-ray; joints are arranged at both ends of the input pipeline 2 and both ends of the output pipeline 3. In this embodiment, autologous blood of a patient is sucked into the peristaltic pump 1 through the space between the main tube 41 of the vascular sheath 4 and the tube body 52 of the injection catheter 5, the side tube 43 and the input tube 2, and is pressurized by the peristaltic pump 1 and then conveyed into an arterial cavity through the output tube 3 and the injection catheter 5, so that continuous pulse type pressurization impact can be applied to a diffuse occlusion lesion part, the diffuse occlusion lesion of a blood vessel is overcome, the patency of an inherent artery and the regeneration of a collateral artery are facilitated, effective blood supply is increased, and limb ischemia symptoms are improved. Preferably, the duration of the pressure impact may be 3 to 7 days.

In the present invention, "far" and "near" are both based on the patient, and "far" is a direction away from the patient, and "near" is a direction close to the patient.

The first embodiment is as follows: the invention provides a pressurizing device in a peripheral arterial cavity of a human body, which comprises a peristaltic pump 1, a blood vessel sheath 4 and a jet catheter 5, wherein an input port of the peristaltic pump 1 is communicated with one end of an input pipeline 2, an output port of the peristaltic pump is communicated with one end of an output pipeline 3, the blood vessel sheath 4 comprises a main pipe 41, a first joint 42 arranged at one end of the main pipe 41 and a side pipe 43 arranged at one side of a joint 421, the main pipe 41 and the side pipe 43 are both communicated with the first joint 42, and the side pipe 43 is communicated with the other end of the input pipeline 2; the injection catheter 5 comprises a second joint 51 and a pipe body 52 which are communicated, the outer diameter of the pipe body 52 is smaller than the inner diameter of the main pipe 41 of the blood vessel sheath 4, and the second joint 51 is communicated with the other end of the output pipeline 3; the output pipeline 3 is provided with a filter 6 for filtering foreign matters such as thrombus and impurities generated in the circulation of the peristaltic pump 1, the output pipeline 3 comprises a third pipe 31 and a fourth pipe 32, two ends of the third pipe 31 are respectively communicated with an output port of the peristaltic pump 1 and an input port of the filter 6, and two ends of the fourth pipe 32 are respectively communicated with an output port of the filter 6 and a second joint 51 of the injection conduit 5; when the second joint 51 of the injection catheter 5 is positioned outside the first joint 42 of the blood vessel sheath 4, and the end of the tube body 52 is positioned outside the main tube 41 of the blood vessel sheath 4 and in the diffuse occlusion lesion of the middle and small arteries, the distal end of the blood vessel sheath 4 can be hermetically connected with the tube body 52, and the peristaltic pump 1 can suck blood outside the distal end side of the blood vessel sheath 4 into the peristaltic pump 1 through the space between the main tube 41 and the tube body 52, the side tube 43 and the input tube 2, and can impact the diffuse occlusion lesion through the output tube 3 and the injection catheter 5 after pressurization. Further, the filter 6 includes a transparent housing, one end of which is provided with an input port and the other end of which is provided with an output port, a filter screen cup for filtering out foreign matters is arranged inside the housing, the filter screen cup can be made of medical polymer materials, the cup mouth side of the filter screen cup faces the input port side, and the cup mouth can be hermetically fixed on the inner wall of the transparent housing in a bonding, pressing and other modes, so that the blood flowing into the injection conduit 5 can be ensured not to contain foreign matters.

Preferably, the proximal end of the main tube 41 may be provided with a side hole 47, so that blood in the blood vessel can be sucked into the blood vessel sheath not only from between the main tube 41 and the tube body 52, but also from the side hole 47 placed in the blood vessel, thereby facilitating the suction of blood into the blood vessel sheath and preventing blockage. Further, the proximal side of the sidewall of the main tube 41 may be provided with a plurality of side holes on average.

Example two: the invention provides a pressurization device in a peripheral arterial cavity of a human body, which is shown in figure 2 and has the difference with the first embodiment that an input pipeline 22 comprises a first pipe 21 and a second pipe 21; the output line 3 is provided with a filter 6 for filtering blood, the output line 3 comprising a third tube 31 and a fourth tube 32; the pressurizing device further comprises a first three-way valve 72 and a second three-way valve 71, two ends of the first pipe 21 are respectively communicated with the side pipe 43 of the blood vessel sheath 4 and a first channel of the first three-way valve 72, two ends of the second pipe 21 are respectively communicated with a first channel of the first three-way valve 72 and an input port of the peristaltic pump 1, two ends of the third pipe 31 are respectively communicated with an output port of the peristaltic pump 1 and an input port of the filter 6, two ends of the fourth pipe 32 are respectively communicated with an output port of the filter 6 and a first channel of the second three-way valve 71, a second channel of the second three-way valve 71 is communicated with a second joint of the injection conduit 5, and a third channel of the first three-way valve 72 and a third channel of the second three-way valve 71 are both used for communicating with the injection device. Wherein, each channel of the first three-way valve 72 and the second three-way valve 71 is provided with a rifling joint, the injection device can adopt an introduction device which is generally used in clinic such as an injector, and the flushing liquid can be injected into the vascular sheath 4 by controlling the first three-way valve 72 to communicate the injection device and the side pipe 43 of the vascular sheath 4; by controlling the second three-way valve 71 to communicate the injection device with the second connector 51, drugs such as anticoagulant thrombolytic drugs and vasodilator drugs can be introduced into the diffuse occlusion lesion of the middle and small arteries through the injection catheter 5 for treatment.

The remaining technical measures of this embodiment are the same as those of the first embodiment, so that all the above beneficial effects are achieved, and further description is omitted here.

In some embodiments, as shown in fig. 1 to 4, the diameter of the through hole of the first joint 42 is adapted to the inner diameter of the main pipe 41, the first joint 42 includes a joint 421 and a cock 423, the through hole of the joint 421 includes a mounting hole 422 at the distal end thereof, the mounting hole is provided with an internal thread, the cock 423 includes a mounting section 424 and a connecting section 425 which are coaxial, wherein the distal end of the mounting section 424 is provided with a circular groove 426 which is coaxial with the through hole of the first joint 42, the side wall of the circular groove 426 is provided with an internal thread, a first sealing ring 44 and a pressure ring 45 are sequentially arranged in the circular groove 426 from near to far, the inner diameter of the pressure ring is adapted to the inner diameter of the through hole of the first joint 42, and the outer wall of the pressure ring 45 is provided with an external thread which matches the internal thread of the circular groove 426; the connecting section 425 is provided with an external thread matching the mounting hole 422 of the joint 421. The far end of the circular groove 426 is provided with a pressing ring 45, so that the assembly of the first sealing ring 44 can be simplified; the first sealing ring 44 can hermetically connect the tube body 52 of the injection catheter 5 to the vascular sheath 4. The connecting section 425 is threadedly coupled to the fitting 421, and the first seal ring 44 is screwed to the pipe body 52 when the connecting section 425 is installed.

Further, as shown in fig. 3 and 4, the inner diameter of the first sealing ring 44 is smaller than the inner diameter of the through hole of the first joint 42, a plurality of grooves 441 are formed at intervals on the inner wall of the first sealing ring 44 along the circumferential direction of the first sealing ring, so that the inner wall of the first sealing ring 44 forms a plurality of seals, the first sealing ring 44 comprises a first section 442 and a second section 443 which are coaxially arranged, the contact area between the first sealing ring and the pipe body 52 can be enlarged, the friction force and the sealing effect between the first sealing ring 44 and the pipe body 52 are increased, the outer diameter of the first section 442 is adapted to the diameter of the circular groove 426, and the outer diameter of the second section 443 is adapted to the inner diameter of the through hole of the first joint 42. Further, the cock is provided with a lever 428 which is arranged between the connecting section 425 and the joint 421 so as to rotate the lever 428 and install the cock 423 on the installation hole 422 of the joint.

Further, as shown in fig. 4, a distal end of an outer wall of the connection section 425 is provided with a packing groove 427 along a circumferential direction thereof, and a second packing 46 is provided in the packing groove to prevent blood from leaking between the hub 421 and the cock 423.

Further, the connecting section 425 comprises a cylindrical section 4251 and a conical head section 4252 from the far end to the near end in sequence, the cylindrical section 4251 is provided with external threads, the diameter of the conical head section 4252 is gradually reduced from the far end to the near end, and the conical head section 4252 is provided with a plurality of locking grooves 4253 along the length direction of the conical head section 4252; the mounting hole 422 comprises a cylindrical hole 4221 and a conical hole 4222 from the far end to the near end in sequence, the cylindrical hole 4221 is provided with internal threads matched with the cylindrical section, and the conical degree of the conical hole 4222 is matched with the conical degree of the conical head section. When the connection section is fitted to the mounting hole, the tube 52 of the injection catheter 5 can be fixed to the connection section, and the tube 52 can be prevented from being displaced when the blood injection force is large.

In some embodiments, the body 52 of the injection conduit 5 is provided with a pressure sensor, and the peristaltic pump 1 is provided with an alarm 11, the pressure sensor being in signal connection with the alarm and a controller of the peristaltic pump 1. When the tube body 52 is bent or broken, the pressure value detected by the pressure sensor decreases or increases beyond a preset value, the pressure sensor sends a signal to the controller, the controller controls the alarm 11 to give a prompt tone to remind medical staff of timely handling the abnormal tube body 52, and the controller can control the peristaltic pump 1 to stop at the same time, so that the health of a patient is prevented from being damaged by the problems of overlarge pressure and the like caused by the abnormal tube body. In addition, the pressure value detected by the pressure sensor can be sent to the controller, and the controller controls the display screen of the peristaltic pump 1 to display the value, so that the blood pressure in the tube body 52 can be monitored conveniently.

In some embodiments, as shown in fig. 1, 2, and 5, the blood vessel sheath 4 further includes a first fixing element 8, the first fixing element 8 includes a first fixing plate 81, a first release paper 82, a first clamping seat 83, and a second clamping seat 84, one side surface of the first fixing plate 81 is provided with a first adhesive layer, the first release paper 82 is disposed on the outer side of the adhesive layer of the first fixing plate, the first clamping seat 83 is disposed on the other side surface of the first fixing plate corresponding to the first joint 42 of the blood vessel sheath 4, and the first clamping seat is configured to clamp the first joint of the blood vessel sheath; the second clamping seat 84 is arranged on the other side surface of the first fixing plate 81 corresponding to the position of the side tube 43 of the blood vessel sheath 4, and is used for clamping the side tube of the blood vessel sheath. The first fixing plate 81 can be made of flexible materials such as rubber and latex, and the first adhesive layer can be made of low-sensitization medical adhesive. The first fixing member 8 can fix the vascular sheath 4 to the skin of the patient, and prevent the ejection catheter 5 from being ejected when the blood ejection force is large.

Further, as shown in fig. 1, fig. 2, and fig. 6, the input pipeline 2 and/or the output pipeline 3 are provided with a second fixing member 9, the second fixing member 9 includes a second fixing plate 91, a second release paper 92, and a third engaging seat 93, wherein,

a side of the second fixing plate 91 is provided with a second adhesive layer, the second release paper 92 is arranged outside the second adhesive layer of the second fixing plate 91, the third clamping seat 93 is arranged on the other side of the second fixing plate 91, and the third clamping seat 93 is used for clamping the input pipeline 2 or the output pipeline 3. The second fixing plate 91 may be made of a flexible material such as rubber or latex, and the second adhesive layer may be made of low-sensitization medical adhesive. The input pipeline 2 or the output pipeline 3 or the input pipeline 2 and the output pipeline 3 are provided with at least one second fixing part 9, so that the input pipeline 2 and/or the output pipeline 3 can be fixed on the skin or clothes of a patient, the input pipeline 2 and/or the output pipeline 3 are prevented from being bent and wound, and smooth circulation of blood is facilitated. Further, the inlet line 2 and/or the outlet line 3 can be provided with at least one second fixing element 9, according to the length thereof.

Furthermore, the outer wall of the tube body of the jet catheter is provided with scale marks 53 along the length direction of the tube body, so that the depth of the jet catheter in the blood vessel can be conveniently adjusted.

When the human peripheral arterial intracavity pressurizing device provided by the embodiment of the invention is used, the large-caliber artery expansion molding such as the femoral iliac artery and the like can be firstly carried out according to the following use steps, the blood vessel sheath 4 and the injection catheter 5 in the blood vessel sheath 4 are reserved in the artery, the proximal end of the tube body 52 of the injection catheter 5 is placed at the artery diffuse occlusion lesion part, the connecting section 425 of the cock 423 is screwed into the mounting hole 422 of the joint 421, the conical head section 4252 can be matched with the conical hole 4222, the locking groove 4253 is deformed, the conical head section 4252 is deformed towards the axis direction of the conical head section 4252, the conical head section 4252 firmly fixes the tube body 52, and the tube body 52 can be prevented from being displaced when the blood injection force is larger; the autologous blood of the patient is sucked into the peristaltic pump 1 through the side hole 47 of the main pipe 41 of the blood vessel sheath 4, the space between the main pipe 41 and the pipe body 52 of the injection catheter 5, the side pipe 43 and the input pipeline 2, is pressurized and accelerated by the peristaltic pump 1, then passes through the output pipeline 3 and the injection catheter 5,is ejected from the near end of the tube bodyThe filter 6 of the output pipeline 3 can filter thrombus, impurities and other foreign matters generated in the circulation of the peristaltic pump 1, and ensure that the blood flowing into the jet catheter 5 does not contain the foreign matters. Respectively tearing off the first separator Type paper 82 and second are from type paper 92, and the first fixed plate 81 with fixed blood vessel sheath 4, the second fixed plate 91 of fixed input pipeline 2 and/or output pipeline 3 are fixed in patient's skin or clothing, with blood vessel sheath 4, input pipeline 2 and/or output pipeline 3 block respectively wherein, prevent that blood from strikeing and drive blood vessel sheath 4 and remove, make input pipeline 2 and/or output pipeline 3 keep the pipeline smooth and easy in the use. During the use process, the first three-way valve 72 can be controlled to communicate the injection device with the side pipe 43 of the blood vessel sheath 4, the flushing liquid can be injected into the blood vessel sheath 4, and the second three-way valve 71 can be controlled to communicate the injection device with the second connector 51, so that medicines such as anticoagulation thrombolysis, vasodilation medicines and the like can be introduced into the diffuse occlusion lesion part of the middle arteriole through the injection catheter 5 for treatment; when the tube 52 is bent or broken and the pressure value detected by the pressure sensor of the tube 52 of the injection catheter 5 drops or rises above a preset value, the pressure sensor sends a signal to the controller, and the controller controls the alarm 11 to give out a prompt sound to remind medical staff of timely handling the abnormal tube 52. The pressurizing device in the peripheral arterial cavity of the human body can overcome the diffuse occlusion lesion of blood vessels, is beneficial to the unobstructed inherent artery and the regeneration of collateral arteries, increases effective blood supply and improves limb ischemia symptoms.

The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the invention, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

Claims

1. A compression device for use in a peripheral arterial lumen of a human body, said compression device comprising:

the vascular sheath comprises a main pipe, a first joint arranged at one end of the main pipe and a side pipe arranged on one side of the joint, wherein the main pipe and the side pipe are both communicated with the first joint, and the side pipe is communicated with the other end of the input pipeline;

the injection catheter comprises a second connector and a pipe body which are communicated, the outer diameter of the pipe body is smaller than the inner diameter of a main pipe of the blood vessel sheath, and the second connector is communicated with the output pipeline;

2. The peripheral arterial lumen pressurization device according to claim 1, wherein said first connector through hole has a diameter corresponding to the inner diameter of said main tube, said first connector comprising:

the through hole of the joint comprises a mounting hole at the far end of the joint, and the mounting hole is provided with internal threads;

3. The human peripheral arterial intraluminal compression device of claim 2, wherein said first sealing ring has an inner diameter smaller than the inner diameter of the through hole of said first connector, and a plurality of grooves are formed at intervals along the inner wall of said first sealing ring along the circumferential direction thereof, said first sealing ring comprises a first section and a second section which are coaxially arranged, the outer diameter of said first section is adapted to the diameter of said circular groove, and the outer diameter of said second section is adapted to the inner diameter of the through hole of said first connector.

4. The human peripheral arterial endoluminal compression device according to claim 2, wherein said connecting section comprises, in order from the distal end to the proximal end, a cylindrical section provided with external threads and a conical section having a diameter gradually decreasing from the distal end to the proximal end, said conical section being provided with a plurality of locking grooves along its length;

the mounting hole comprises a cylindrical hole and a conical hole from the far end to the near end in sequence, the cylindrical hole is provided with an internal thread matched with the cylindrical section, and the conical degree of the conical hole is adapted to the conical degree of the conical head section.

5. The human peripheral arterial pressure device of claim 1 wherein said output line is provided with a filter for filtering blood, said output line comprises a third tube and a fourth tube, both ends of said third tube are respectively connected to said output port of said peristaltic pump and said input port of said filter, both ends of said fourth tube are respectively connected to said output port of said filter and said second connector of said jet catheter.

6. The peripheral arterial pressure device of claim 1, wherein said inlet line comprises a first tube and a second tube; the output pipeline is provided with a filter for filtering blood and comprises a third pipe and a fourth pipe; the pressurizing device further comprises a first three-way valve and a second three-way valve, two ends of the first pipe are respectively communicated with the side pipe of the vascular sheath and a first channel of the first three-way valve, two ends of the second pipe are respectively communicated with the first channel of the first three-way valve and an input port of the peristaltic pump, two ends of the third pipe are respectively communicated with an output port of the peristaltic pump and an input port of the filter, two ends of the fourth pipe are respectively communicated with an output port of the filter and a first channel of the second three-way valve, a second channel of the second three-way valve is communicated with a second joint of the injection conduit, and a third channel of the first three-way valve and a third channel of the second three-way valve are both used for being communicated with the injection device.

7. The peripheral arterial lumen pressurization device of claim 1, wherein said vascular sheath further comprises a first securing member, said first securing member comprising:

the first clamping seat is arranged on the other side face of the first fixing plate corresponding to the first joint of the blood vessel sheath and is used for clamping the first joint of the blood vessel sheath;

8. The peripheral arterial pressure device of claim 1 wherein said inlet and/or outlet lines are provided with a second fastener, said second fastener comprising:

and the third clamping seat is arranged on the other side surface of the second fixing plate and used for clamping the input pipeline or the output pipeline.

9. The device according to claim 1, wherein said jet catheter has a pressure sensor in its body, said peristaltic pump has an alarm, and said pressure sensor is in signal communication with said alarm and a controller of said peristaltic pump.

10. The human peripheral arterial lumen pressurization device of claim 1, wherein said main tube is provided with a side hole at a proximal side thereof.