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CN-121971781-A - Catheter re-hemorrhagic disease and vascular occlusion lesion interventional therapy device integrating pressure sensing

CN121971781ACN 121971781 ACN121971781 ACN 121971781ACN-121971781-A

Abstract

The invention discloses an integrated pressure sensing catheter re-hemorrhagic disease and vascular occlusion lesion interventional therapy device, which belongs to the technical field of vascular interventional therapy and comprises a pressure pump for controlling pressure, wherein a pressure output port of the pressure pump is connected with a punching pipe in a penetrating way through a hose, the other port of the punching pipe is connected with a catheter in a penetrating way along the central axis direction, a guide wire is connected in the catheter in a penetrating way along the central axis direction, a balloon is sleeved outside one end of the catheter, which is far away from the punching pipe, a liquid outlet is formed in the inner area of the balloon, embedded circular grooves are symmetrically formed in the two sides of the balloon outside the catheter, and pressure sensors are embedded in the embedded circular grooves.

Inventors

  • LUO SHIBING
  • TANG QI
  • CHEN MAI
  • HOU XINYI
  • WANG YOUJUN
  • HAN CHENGBIN
  • ZHAO QIAN
  • ZHANG HANYUE
  • CHEN LIN
  • BAO YUNHONG

Assignees

  • 新疆生产建设兵团第一师医院

Dates

Publication Date
20260505
Application Date
20260128

Claims (10)

  1. 1. The catheter re-hemorrhagic disease and vascular occlusion lesion interventional therapy device integrating pressure sensing comprises a pressure pump (1) for controlling pressure, wherein a pressure output port of the pressure pump (1) is in through connection with a punching tube (2) through a hose, and the other port of the punching tube (2) is in through connection with a catheter (3), and the catheter interventional therapy device is characterized in that a guide wire (4) is in through connection with the catheter (3) along the direction of a central axis, a balloon (5) is sleeved outside one end of the catheter (3) far away from the punching tube (2), and a liquid outlet (6) is formed in the inner area of the balloon (5) by the catheter (3); The outside of pipe (3) is located sacculus (5) bilateral symmetry and has seted up embedded circular slot (8), and pressure sensor (13) are installed to the gomphosis in embedded circular slot (8), is provided with on pipe (3) and controls pressure sensor (13) and remove the drive arm mechanism of laminating on the vascular wall based on sacculus (5) inflation pulling force.
  2. 2. The catheter re-hemorrhagic disease and vascular occlusion lesion interventional therapy device integrated with pressure sensing according to claim 1, wherein a thermistor (131) for monitoring local temperature of the vascular wall is integrated on the pressure sensor (13), and a heparin-polyethylene glycol composite anticoagulation coating (132) is coated on the surface of the pressure sensor (13).
  3. 3. The catheter re-hemorrhagic disease and vascular occlusion lesion interventional therapy device integrated with pressure sensing according to claim 1, wherein the transmission arm mechanism comprises an annular groove (7) arranged on the catheter (3), the annular groove (7) is arranged on one side of the embedded circular groove (8) in a penetrating way, and an embedded circular groove (9) connected with the other end of the embedded circular groove (8) in a penetrating way is arranged on the catheter (3).
  4. 4. The catheter re-hemorrhagic disease and vascular occlusion lesion interventional therapy device integrated with pressure sensing according to claim 3, wherein a slip ring (10) is slidingly connected in a ring groove (7) outside the catheter (3) along a liquid conveying direction, a main transmission rod (11) is rotatably connected on the slip ring (10), and the main transmission rod (11) is rotatably connected with one end of a pressure sensor (13).
  5. 5. The catheter re-hemorrhagic disease and vascular occlusion lesion interventional therapy device integrated with pressure sensing according to claim 4, wherein an auxiliary transmission rod (12) is rotatably connected to an inner embedded strip groove (9) outside the catheter (3), the other side of the auxiliary transmission rod (12) is rotatably connected with the pressure sensor (13), the auxiliary transmission rod (12) and the main transmission rod (11) are symmetrically distributed about the pressure sensor (13), and the auxiliary transmission rod (12) and the main transmission rod (11) have the same length.
  6. 6. The catheter re-hemorrhagic disease and vascular occlusion lesion interventional therapy device integrated with pressure sensing according to claim 4, wherein a wire (14) is connected between the slip ring (10) and the balloon (5), and the wire (14) is slidably embedded on the outer side wall of the catheter (3).
  7. 7. The catheter re-bleeding disease and vascular occlusion lesion interventional therapy device integrated with pressure sensing according to claim 5, wherein an elastic rod (16) is elastically connected between the auxiliary transmission rod (12) and the balloon (5), and the elastic rod (16) is flexibly arranged between the auxiliary transmission rod (12) and the inflated balloon (5).
  8. 8. The catheter re-hemorrhagic disease and vascular occlusion lesion interventional therapy device integrated with pressure sensing according to claim 6, wherein a flexible supporting mechanism for expanding the pressure reinforcing balloon (5) based on bending of the elastic rod (16) is arranged on the catheter (3).
  9. 9. The integrated pressure sensing catheter re-bleeding disease and vascular occlusion lesion interventional therapy device of claim 8, wherein the flexible support mechanism comprises a stiffening assembly (15) connected between balloon (5) and catheter (3); The reinforcing component (15) comprises an outer coil (151) fixed on the inner wall of the balloon (5), an inner coil (152) is fixed on one side, close to the liquid outlet (6), of the inner wall of the catheter (3), a plurality of reinforcing ropes (153) are connected between the outer coil (151) and the inner coil (152) along the equiangular direction of the central axis, and the reinforcing ropes (153) are connected with the catheter (3) in a penetrating and sliding manner; One side of the inner wall of the conduit (3) close to the elastic rod (16) is fixedly connected with a pressure rope (154), and the other end of the pressure rope (154) is fixedly connected with the inner coil (152) through a side rope group (155).
  10. 10. The catheter re-hemorrhagic disease and vascular occlusion lesion interventional therapy device integrated with pressure sensing according to claim 9, wherein the catheter (3) is connected with a pressure rod (17) in a sliding manner along a direction perpendicular to the liquid conveying direction, one end of the pressure rod (17) is attached to a bending section of the elastic rod (16), a through groove (18) is formed in the other end of the pressure rod (17), and a pressure string (154) is connected to the pressure rod (17) in a penetrating and sliding manner through the through groove (18).

Description

Catheter re-hemorrhagic disease and vascular occlusion lesion interventional therapy device integrating pressure sensing Technical Field The invention relates to the technical field of vascular interventional therapy, in particular to a catheter re-hemorrhagic disease and vascular occlusion lesion interventional therapy device integrating pressure sensing. Background Traumatic hemorrhage, alimentary canal hemorrhage, postpartum hemorrhage, intracranial aneurysm rupture, tumor rupture hemorrhage and the like, the core requirement is to quickly position bleeding points and accurately plug, temporarily block blood flow through a microcatheter auxiliary balloon to assist in hemostasis, for vascular occlusion lesions, send a guide wire to a lesion along the guide wire through an occlusion section, inject contrast agent and normal saline mixed solution through a filling catheter by a pressure pump, expand and prop open an occlusion blood vessel by the balloon, evaluate the occlusion length and calcification degree by contrast, and the interventional catheter is a key medical device for hemorrhagic diseases and vascular occlusion diseases. The patent with the publication number of CN222983529U discloses a vascular interventional catheter assembly and a vascular interventional device, wherein the vascular interventional catheter assembly comprises a main catheter and a supporting catheter, the main catheter comprises a first catheter cavity, the supporting catheter comprises a second catheter cavity, the vascular interventional catheter assembly at least comprises a first operation state and a second operation state, the main catheter penetrates to a target vascular position in the second operation state, the supporting catheter penetrates in the first catheter cavity and reaches the target vascular position, when the supporting force of the main catheter is insufficient to complete interventional operation, the supporting catheter penetrates in the first catheter cavity of the main catheter, so that the main catheter and the supporting catheter can doubly support the target vascular position, the supporting force on the target vascular position is improved, compared with the prior art, the vascular interventional catheter does not need to re-pull out the sheath catheter and replace the catheter, the operation difficulty is reduced, the operation is simplified, and the efficiency of interventional treatment is improved. As disclosed in the patent publication No. CN118320267B, a vascular interventional catheter is disclosed, which comprises a main catheter and an auxiliary catheter, wherein the auxiliary catheter is detachably connected with the main catheter and is allowed to switch between a connected state and a separated state, the auxiliary catheter is in a connected state in the process of being configured to be delivered into a blood vessel, the proximal end of the auxiliary catheter forms a fixed end and is relatively fixedly connected with the proximal end of the main catheter, the distal end of the auxiliary catheter forms a free end and extends out of the distal end of the main catheter, the distal end of the auxiliary catheter automatically contracts towards the distal end of the main catheter after contacting the inner wall of the blood vessel to slide over the inner wall of the blood vessel to conform to the blood vessel, and returns to an original state after the auxiliary catheter slides over the inner wall of the blood vessel to release stress, so that the catheter quickly passes through the blood vessel, and after the catheter is configured to be delivered into the blood vessel, the auxiliary catheter is switched to a separated state to be separated from the main catheter. For another example, patent publication No. CN117379673A discloses a balloon dilation catheter and a vascular interventional system, wherein the balloon dilation catheter comprises an outer tube, an inner tube, a balloon, a traction wire and a bending mechanism, the inner tube is penetrated through the outer tube at intervals, the distal end of the inner tube extends out of the distal end of the outer tube, the balloon is sleeved on the part of the inner tube extending out of the distal end of the outer tube, the distal end of the balloon is connected with the distal end of the inner tube, the proximal end of the balloon is connected with the distal end of the outer tube, the traction wire penetrates between the inner tube and the outer tube, the distal end of the traction wire extends out of the distal end of the outer tube and is connected with the distal end of the inner tube, the bending mechanism is arranged at the proximal ends of the outer tube and the inner tube, and the bending mechanism is used for pulling or releasing the traction wire, so that the distal end of the traction wire drives the distal end of the inner tube and the balloon to adjust the bending angle. The balloon after pressurizing expansion is well matched