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CN-224220317-U - Circulation pipeline system for thermal perfusion chemotherapy

CN224220317UCN 224220317 UCN224220317 UCN 224220317UCN-224220317-U

Abstract

A circulation pipeline system for thermal perfusion chemotherapy comprises a perfusion hydrodynamic pipeline, a cross inlet and outlet pipeline and a cross outlet pipeline, wherein the perfusion hydrodynamic pipeline is provided with a liquid injection end, a liquid outlet end and a liquid return end, the cross inlet and outlet pipeline comprises a first pipeline, a second pipeline, a third pipeline and a fourth pipeline, the first pipeline and the second pipeline are provided with opposite access ends and connection ends, the connection end of the first pipeline is communicated with the liquid return end, the connection end of the second pipeline is communicated with the liquid outlet end, the access end of the first pipeline and the access end of the second pipeline are used for being connected into a body cavity of a patient, the third pipeline is in cross communication with the fourth pipeline, two ends of the third pipeline are respectively communicated with the first pipeline and the second pipeline, and two ends of the fourth pipeline are respectively communicated with the first pipeline and the second pipeline. The application can utilize the reverse fluid impact of the inlet and outlet bodies to peel off the deposits on the pipe wall, avoid deposition and blockage, and simultaneously ensure that the medicament can be rapidly and uniformly spread over the whole water body by means of the diversion, cross mixing and reverse rotational flow effects generated by water flow, thereby ensuring the continuity of medicament infusion.

Inventors

  • WEI HAISEN
  • YANG LIN

Assignees

  • 深圳市医思美科技有限公司

Dates

Publication Date
20260512
Application Date
20250516

Claims (10)

  1. 1. A circulatory line system for thermal perfusion chemotherapy, comprising: A perfusion fluid power pipeline (1) which is provided with a liquid injection end (16), a liquid outlet end (18) and a liquid return end (17), and A cross-over body inlet and outlet pipeline (2) comprising a first pipeline (21), a second pipeline (22), a third pipeline (23) and a fourth pipeline (24), wherein the first pipeline (21) and the second pipeline (22) are provided with an access end (28) and a connection end (29) which are opposite in the respective length directions, the connection end (29) of the first pipeline (21) is communicated with the liquid return end (17), the connection end (29) of the second pipeline (22) is communicated with the liquid outlet end (18), the access end (28) of the first pipeline (21) and the access end (28) of the second pipeline (22) are used for being accessed into a body cavity of a patient, The third pipeline (23) is in cross communication with the fourth pipeline (24), two opposite ends of the third pipeline (23) in the length direction of the third pipeline are respectively communicated with the first pipeline (21) and the second pipeline (22), and two opposite ends of the fourth pipeline (24) in the length direction of the fourth pipeline are respectively communicated with the first pipeline (21) and the second pipeline (22).
  2. 2. The circulation line system according to claim 1, characterized in that the angle of intersection of the third line (23) with the fourth line (24) is between 60 ° -80 ° and/or the pipe diameter of the third line (23) and the fourth line (24) is 7mm and/or the spacing between the intersection of the third line (23) and the fourth line (24) and the access end (28) of the first line (21) in the length direction of the first line (21) is 15cm and the spacing between the intersection of the third line (23) and the fourth line (24) and the access end (28) of the second line (22) in the length direction of the second line (22) is 15cm.
  3. 3. The circulation line system according to claim 1, wherein the intersecting inlet and outlet body line (2) further comprises a fifth line (25), one end of the fifth line (25) in the length direction thereof is communicated with the connection end (29) of the first line (21) or the return end (17), the other end of the fifth line (25) in the length direction thereof is communicated with the connection end (29) of the second line (22) or the outlet end (18), and a fifth liquid stop valve (251) for controlling the flow rate of the perfusate in the fifth line (25) is provided on the fifth line (25).
  4. 4. The circulation pipeline system according to claim 1, wherein a first liquid stop valve (214) is arranged on the first pipeline (21), the first liquid stop valve (214) is positioned between the communication position of the first pipeline (21) and the third pipeline (23) and the communication position of the first pipeline (21) and the fourth pipeline (24), second liquid stop valves (224) are arranged on the second pipeline (22), and the second liquid stop valves (224) are positioned between the communication position of the second pipeline (22) and the third pipeline (23) and the communication position of the second pipeline (22) and the fourth pipeline (24).
  5. 5. The circulation pipeline system according to claim 1, wherein the access end (28) of the first pipeline (21) and the access end (28) of the second pipeline (22) are respectively provided with an access valve (26), the access valves (26) are used for adjusting the on-off state of the first pipeline (21) and the second pipeline (22), a third liquid stop valve (231) is arranged on the third pipeline (23), and a fourth liquid stop valve (241) is arranged on the fourth pipeline (24).
  6. 6. The circulation line system according to claim 1, characterized in that the perfusate power line (1) further comprises a temperature measuring member (15), the temperature measuring member (15) being arranged at the liquid outlet end (18) and the liquid return end (17).
  7. 7. The circulation pipeline system according to any one of claims 1 to 6, wherein the perfusate power pipeline (1) comprises a perfusate pipeline (11), a liquid collecting container (12) with the liquid return end (17), a circulation pump (13) and a heating pipeline (14) which are sequentially communicated, the end, far away from the liquid collecting container (12), of the perfusate pipeline (11) in the length direction is the perfusate end (16), and the end, far away from the circulation pump (13), of the heating pipeline (14) in the length direction is the liquid outlet end (18).
  8. 8. The circulation line system according to claim 7, characterized in that the heating line (14) comprises a heating tube (141), the heating tube (141) being arranged in a bent and extended manner.
  9. 9. The circulation line system according to claim 8, characterized in that the heating tube (141) is a U-shaped tube, the heating length of the heating tube (141) being between 30-50 cm.
  10. 10. The circulation line system according to claim 8, wherein the heating pipe (141) is a metal pipe with a polished inner surface, and the heating pipe (141) is heated by an external heating unit.

Description

Circulation pipeline system for thermal perfusion chemotherapy Technical Field The application relates to the technical field of medical appliances, in particular to a circulating pipeline system for thermal perfusion chemotherapy. Background The tumor hot perfusion treatment is an innovative therapy based on the synergistic effect of heat treatment and chemotherapy, and is mainly used for the auxiliary treatment after operation or palliative tumor excision in clinic. The method has the core principle that physiological saline treatment fluid containing anticancer drugs (such as mitomycin C, gemcitabine and the like) is heated to an effective temperature (usually 42-45 ℃) by an in-vitro heating device, and is continuously injected into a body cavity (such as a chest cavity, an abdominal cavity or a bladder) of a patient by means of a fluid circulation system, so that the thermochemical treatment fluid directly acts on residual focus and free cancer cells, the killing effect of tumor cells is enhanced, and the postoperative recurrence risk is reduced. At present, the hot perfusion chemotherapy is usually completed by adopting special hot perfusion equipment to be matched with an in-body device and an in-body pipeline. However, in practical applications of the existing perfusion tube system, due to possible crystallization of the chemotherapeutic drug (such as mitomycin C), some patients are prone to deposition and blockage of the conventional tube due to turbid and viscous liquid after perfusion, which affects the perfusion continuity. Disclosure of utility model The application provides a circulating pipeline system for thermal perfusion chemotherapy, which can reduce the deposition and blockage of chemotherapy drugs in a pipeline and ensure the continuity of drug perfusion. According to an aspect of the present application, there is provided in one embodiment a circulation line system for thermal perfusion chemotherapy, comprising: a perfusion fluid power pipeline with a liquid injection end, a liquid outlet end and a liquid return end, and The cross body inlet and outlet pipeline comprises a first pipeline, a second pipeline, a third pipeline and a fourth pipeline, wherein the first pipeline and the second pipeline are provided with an access end and a connection end which are opposite in the respective length direction, the connection end of the first pipeline is communicated with the liquid return end, the connection end of the second pipeline is communicated with the liquid outlet end, the access end of the first pipeline and the access end of the second pipeline are used for accessing a body cavity of a patient, The third pipeline is communicated with the fourth pipeline in a crossing way, two opposite ends of the third pipeline in the length direction of the third pipeline are respectively communicated with the first pipeline and the second pipeline, and two opposite ends of the fourth pipeline in the length direction of the fourth pipeline are respectively communicated with the first pipeline and the second pipeline. In another embodiment, the crossing angle of the third pipeline and the fourth pipeline is between 60 degrees and 80 degrees, and/or the pipe diameters of the third pipeline and the fourth pipeline are 7mm, and/or the interval between the crossing connection point of the third pipeline and the fourth pipeline and the access end of the first pipeline is 15cm in the length direction of the first pipeline, and the interval between the crossing connection point of the third pipeline and the fourth pipeline and the access end of the second pipeline is 15cm in the length direction of the second pipeline. In another embodiment, the cross inlet/outlet body pipeline further comprises a fifth pipeline, one end of the fifth pipeline in the length direction is communicated with the connecting end or the liquid return end of the first pipeline, the other end of the fifth pipeline in the length direction is communicated with the connecting end or the liquid outlet end of the second pipeline, and a fifth liquid stop valve is arranged on the fifth pipeline and used for controlling the flow rate of the perfusate in the fifth pipeline. In another embodiment, a first liquid stop valve is arranged on the first pipeline and is positioned between the communication position of the first pipeline and the third pipeline and the communication position of the first pipeline and the fourth pipeline, and second liquid stop valves are arranged on the second pipeline and are positioned between the communication position of the second pipeline and the third pipeline and the communication position of the second pipeline and the fourth pipeline. In another embodiment, the access end of the first pipeline and the access end of the second pipeline are respectively provided with an access valve, the access valves are used for adjusting the on-off state of the first pipeline and the second pipeline, a third liquid stop valv