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CN-121987304-A - Deep vein transcatheter arterial device based on arteriovenous wall puncture effect

CN121987304ACN 121987304 ACN121987304 ACN 121987304ACN-121987304-A

Abstract

The invention relates to a deep vein transcatheter arterial device based on an arterial and venous wall puncture effect, which belongs to the technical field of medical surgical instruments and comprises a guide wire capturing device and a puncture device, wherein the guide wire capturing device comprises a first long catheter and a rod body, the rod body linearly moves in the first long catheter, one end of the rod body is provided with a guide wire capturing device with a volume capable of being released and compressed, the other end of the rod body is provided with a handle, the puncture device comprises a second long catheter, a puncture tube is arranged in the second long catheter, the puncture tube can linearly move in the second long catheter, a guide wire is arranged in the puncture tube, the guide wire penetrates through the puncture tube, and is captured through the guide wire capturing device, and the guide wire is captured through the guide wire capturing device, so that arterial and venous access establishment of deep vein transcatheter arterial interventional operation is realized.

Inventors

  • BAI DAN
  • ZOU MENG

Assignees

  • 成都领创医疗器械有限公司

Dates

Publication Date
20260508
Application Date
20260324

Claims (10)

  1. 1. A deep intravenous catheter arterial device based on arteriovenous wall puncture comprising: The guide wire capturing device comprises a first long guide pipe (1) and a rod body (2), wherein the rod body (2) moves linearly in the first long guide pipe (1), one end of the rod body (2) is provided with a guide wire capturing device (5) with a volume capable of being released and compressed, and the other end of the rod body (2) is provided with a handle (4); The puncture device comprises a second long catheter (6), a puncture tube (8) is arranged in the second long catheter (6), the puncture tube (8) can linearly move in the second long catheter (6), and a guide wire (11) is arranged in the puncture tube (8); the guide wire (11) penetrates through the puncture tube (8), and the guide wire (11) is caught by the guide wire catcher (5).
  2. 2. The deep intravenous catheter arterialization device based on arteriovenous wall puncture according to claim 1, wherein an annular developing ring (3) for blood development is arranged on the rod body (2), the annular developing ring (3) is close to the guide wire catcher (5), and the handle (4) pushes the rod body (2) to make linear motion in the first long catheter (1); when the rod body (2) moves in one direction in the first long guide pipe (1), the guide wire catcher (5) is released from the first long guide pipe (1); when the rod body (2) moves in the first long guide pipe (1) towards the other direction, the guide wire catcher (5) is compressed in the first long guide pipe (1).
  3. 3. Deep intravenous catheter arterial-wall puncture based device according to claim 1, characterized in that the first long catheter (1) and the shaft (2) have a gap (a) between them for accommodating the guide wire (11).
  4. 4. Deep intravenous catheter arterialization device based on arteriovenous wall puncture according to claim 1 wherein the second long catheter (6) has a tube pushing member (61) and a tube telescoping end (62) thereon, the tube pushing member (61) pushing the puncture tube (8) to the tube telescoping end (62) to remove the puncture tube (8) from the second long catheter (6) through the tube telescoping end (62).
  5. 5. The deep intravenous catheter arterial wall puncture-based device according to claim 1, wherein the second long catheter (6) is provided with a visualization balloon (7), a catheter (71) and a catheter port (72), and the visualization balloon (7) is communicated with the catheter port (72) through the catheter (71).
  6. 6. The deep intravenous catheter arterial catheter device based on arterial and venous wall puncture according to claim 5, wherein the visualization balloon (7) is used for fitting the vessel wall, the volume of the visualization balloon (7) can be expanded and contracted, and the structure of the visualization balloon (7) is a lateral balloon structure or a global balloon structure.
  7. 7. The deep intravenous catheter arterial-wall puncture-based device according to claim 1, wherein a rotating rod (10) is arranged in the second long catheter (6), the rotating rod (10) is connected with the second long catheter (6) through threads, and the rotating rod (10) can rotate and linearly move in the second long catheter (6).
  8. 8. Deep intravenous catheter arterialization device based on arteriovenous wall puncture according to claim 7 wherein one end of the rotary rod (10) is provided with a mesh support structure (9) with releasable and compressible volume, the mesh support structure (9) is used for fitting the vessel wall, and the other end of the rotary rod (10) is provided with the rotary handle (13); When the rotary rod (10) rotates positively in the second long duct (6) and moves in one direction, the mesh support structure (9) is released from the second long duct (6); when the rotary rod (10) rotates in the opposite direction in the second long duct (6) and moves in the other direction, the mesh support structure (9) compresses in the second long duct (6).
  9. 9. The deep intravenous catheter arterial catheter device based on arterial and venous wall puncture according to claim 7, characterized in that the puncture tube (8) is arranged in the rotating rod (10), the rotating rod (10) is provided with a tube pushing piece (61) and a tube telescopic end (62), the puncture tube (8) is pushed into the rotating rod (10) through the tube pushing piece (61), and the puncture tube (8) is removed from the rotating rod (10) through the tube telescopic end (62).
  10. 10. Deep vein transcatheter arterial wall puncture based device according to claim 9, wherein the tube pushing member (61) is arranged on a rotation handle (13) to which the rotation rod (10) is connected, and wherein an annular developing ring (3) is arranged on the end of the rotation rod (10) remote from the rotation handle (13), said annular developing ring (3) being for polymeric connection to a mesh support structure (9).

Description

Deep vein transcatheter arterial device based on arteriovenous wall puncture effect Technical Field The invention belongs to the technical field of medical surgical instruments, and particularly relates to a deep vein transcatheter arterial and venous wall puncture function-based deep vein catheterization device. Background Chronic lower limb ischemia is a clinically common vascular disease, patients can be treated by balloon dilation with the assistance of a blood circulation reconstruction mode such as stent implantation, atherectomy and the like, but 50% of chronic threat limb ischemia patients are widely blocked by the lower outflow tract of the popliteal artery, no effective blood circulation reconstruction option exists, and finally the amputation of the knee lower segment is required. The existing journal of authoritative medicine, lancet, firstly proposes the treatment mode of taking venous perfusion as arterial perfusion and transferring the artery to the vein, can save patients suffering from ischemic necrosis even facing amputation due to lack of arterial perfusion, the core of the invention is that the adjacent arteriovenous wall is punctured through interventional operation, so that the interconnection of arteries and veins is realized, and the deep vein arterialization is completed. However, in the prior art, the core difficulty of establishing deep vein arterialization in interventional operation is that the arterial and venous access is established, on one hand, the venous blood vessel is in an irregular round shape in cross section form due to low pressure, accurate positioning is difficult to achieve during puncture, puncture deviation is easy to occur, on the other hand, a traditional puncture device does not have a special fixing and supporting structure, the device is easy to shift during puncture, whether the device is erroneously penetrated into a branch blood vessel cannot be effectively judged, the puncture success rate and the operation safety are low, in addition, the conventional venous arterialization transposition is achieved through open operation, operation wounds are large, and the recovery period of a patient is long. Disclosure of Invention The invention provides a deep vein catheterization arterial device based on arterial and venous wall puncture, which is used for solving the technical problem that the arterial and venous access establishment difficulty of a deep vein catheterization interventional operation is high in the prior art. In order to achieve the above purpose, the present invention is realized by the following technical scheme: A deep intravenous catheter arterial device based on arteriovenous wall puncture comprising: The guide wire capturing device comprises a first long guide pipe and a rod body, the rod body moves in the first long guide pipe in a straight line, one end of the rod body is provided with a guide wire capturing device with a volume capable of being released and compressed, and the other end of the rod body is provided with a handle; The puncture device comprises a second long catheter, a puncture tube is arranged in the second long catheter, the puncture tube can linearly move in the second long catheter, and a guide wire is arranged in the puncture tube; The guide wire penetrates through the puncture tube, and the guide wire is captured through the guide wire capture device. Optionally, an annular developing ring for developing blood is arranged on the rod body, the annular developing ring is close to the guide wire catcher, and the handle pushes the rod body to make linear motion in the first long catheter; when the rod body moves in one direction in the first long guide pipe, the guide wire catcher is released from the first long guide pipe; The guidewire catcher compresses within the first elongate catheter as the shaft moves in the other direction within the first elongate catheter. Optionally, a gap is provided between the first elongate catheter and the shaft, the gap being for receiving a guidewire. Optionally, the second long catheter is provided with a tube pushing member and a tube stretching end, and the tube pushing member pushes the puncture tube to the tube stretching end so that the puncture tube can be removed from the second long catheter through the tube stretching end. Optionally, a developing air bag, a flow guide pipe and a flow guide opening are arranged outside the second long guide pipe, and the developing air bag is communicated with the flow guide opening through the flow guide pipe. Further, the developing balloon is used for being attached to the wall of a blood vessel, the volume of the developing balloon can be expanded and contracted, and the developing balloon is in a side-end balloon structure or a global balloon structure. Optionally, a rotating rod is arranged in the second long conduit, the rotating rod is connected with the second long conduit through threads, and the rotating rod can rotate and linearl