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CN-121987876-A - Disposable physical connection blood pipeline and production process thereof

CN121987876ACN 121987876 ACN121987876 ACN 121987876ACN-121987876-A

Abstract

The invention discloses a disposable physical connection blood pipeline and a production process thereof, wherein the disposable physical connection blood pipeline comprises a venous kettle, an arterial kettle and a spiral connector, one end of the venous kettle is connected with the end part of the pipeline through a first connecting component, the other end of the venous kettle is connected with a venous kettle cover, two ends of the arterial kettle are connected with a first two-way connector, one of the two-way connectors is connected with the venous kettle cover through a second connecting component, the other two-way connector is connected with a third connecting component through a pipeline, and the other end of the third connecting component is connected with the spiral connector. According to the invention, chemical reagents and dead angles do not exist in the inner wall bonding of the blood pipeline and the connector, the ends of the three-way connector and the two-way connector are folded inwards and compacted on the connector, so that the connection of the pipeline is realized, the bonding of ketone chemical solvents is thoroughly eliminated, the multiple hidden troubles of the traditional blood transfusion pipeline inner wall chemical reagent residue, the safety and environment of the patient in use, the sustainable field and the like are solved, and the matching of the annular positioning bulge and the clamping groove is designed, so that the sealing effect is more sealed.

Inventors

  • WANG ZHENYOU

Assignees

  • 浙江圣利机械设备有限公司

Dates

Publication Date
20260508
Application Date
20260330

Claims (10)

  1. 1. A disposable physical connection blood pipeline is characterized by comprising a venous kettle (1), an arterial kettle (2) and a spiral connector (3), wherein one end of the venous kettle (1) is connected with the end part of the pipeline through a first connecting component (6), the other end of the venous kettle (1) is connected with a venous kettle cover (4), two ends of the arterial kettle (2) are connected with a first two-way connector (5), one of the first two-way connectors (5) is connected with the venous kettle cover (4) through a second connecting component (7), the other one of the first two-way connectors (5) is connected with a third connecting component (8), and the other end of the third connecting component (8) is connected with the spiral connector (3) through the pipeline.
  2. 2. The disposable physically connected blood line according to claim 1, wherein the venous pot cover (4) is a three-way venous pot cover, and the auxiliary tube opening of the venous pot cover (4) is connected with the two-way joint by the line.
  3. 3. The disposable physically connected blood line according to claim 1, wherein the venous pot cover (4) is a two-way venous pot cover, and the auxiliary port of the venous pot cover (4) is connected with the two-way joint by the line.
  4. 4. The disposable physical connection blood line according to claim 1, wherein the first connection component (6) comprises a first connector (601), the first connector (601) and the end part of the line are integrally injection molded, an annular positioning protrusion (602) is arranged on the outer wall of the end part of the venous bottle (1), a groove (603) is formed in one side, close to the venous bottle (1), of the first connector (601), a clamping groove (604) matched with the annular positioning protrusion (602) is formed in the bottom of the groove (603), the annular positioning protrusion (602) is inserted into the clamping groove (604), and the end part of the first connector (601) is physically welded on the end part of the venous bottle (1).
  5. 5. The disposable physical connection blood line according to claim 1, wherein an annular protrusion II (401) is arranged inside one end of the venous pot cover (4) connected with the venous pot (1), a groove II (101) matched with the annular protrusion I (401) is formed at the end part of the venous pot (1), the annular protrusion II (401) is inserted into the groove II (101), and the venous pot cover (4) is physically welded on the venous pot (1).
  6. 6. The disposable physical connection blood pipeline according to claim 1, wherein the second connecting component (7) and the third connecting component (8) have the same structure and comprise a three-way joint (9) and a second connecting head (10), the second connecting head (10) and the end part of the pipeline are integrally injection molded, an annular positioning boss (11) is arranged on the outer wall of the end part of the second connecting head (10), a clamping groove second (12) matched with the annular positioning boss third (11) is arranged in the end part of the three-way joint (9), the annular positioning boss third (11) is inserted into the clamping groove second (12), the second connecting head (10) is physically welded on the three-way joint (9), the other end of a main pipe port of the three-way joint (9) and the pipeline are integrally injection molded, and a secondary pipe port of the three-way joint (9) is connected with the two-way joint third through the pipeline.
  7. 7. The disposable physical connection blood pipeline according to claim 1, wherein a clamping groove III (13) is formed in the inner side of the end part of the spiral connector (3), a third connector (14) is connected to the end of the pipeline connected with the spiral connector (3), the third connector (14) and the pipeline are of an integral injection structure, an annular positioning protrusion IV (15) matched with the clamping groove III (13) is arranged at the end part of the third connector (14), the annular positioning protrusion IV (15) is inserted into the clamping groove III (13), and the third connector (14) is physically welded on the spiral connector (3).
  8. 8. The disposable physical connection blood line according to claim 1, wherein a liquid-stopping clip (16) is provided on the line.
  9. 9. A process for the production of a disposable physical connection blood line according to any one of claims 1 to 8, comprising the steps of: A. Extruding and cutting the pipeline, namely controlling the outer diameter of the pipeline extruded by an extruder to be plus or minus 0.05mm, controlling the cutting length to be plus or minus 1mm, and secondarily forming a welding platform by an injection molding machine after the pipeline is formed; B. And the pipeline and each connecting component are physically welded, wherein the to-be-welded joint is fixed at a welding machine fixing tool, the pipeline is installed at the inner hole of the joint by a manipulator, the installation completion manipulator leaves the pipeline, the welding head moves to the welding position of the end face of the joint, the welding head is in a copying shape, the welding head is kept in a heating state, the welding head is closed left and right, the welding machine moves forwards, the plastic of the end face of the joint deforms into the copying shape of the welding head along with the temperature of the welding head, and the welding is controlled by time until the welding head is reset in place to complete the welding.
  10. 10. The process for producing a disposable physical connection blood line according to claim 9, wherein the heat sealing temperature of the physical welding is 150 ° -170 °, the heat sealing time is 2-3 seconds, and the closing pressure is about 60-80Pa.

Description

Disposable physical connection blood pipeline and production process thereof Technical Field The invention relates to the technical field of medical equipment, in particular to a disposable physical connection blood pipeline and a production process thereof. Background At present, the treatment modes of leading blood out of the body for treatment and then returning the blood to the human body are becoming more and more popular, and such treatments mainly comprise hemodialysis, hemoperfusion, hemofiltration and the like. Regardless of which extracorporeal blood treatment, an extracorporeal blood circulation circuit needs to be established. The existing blood pipeline various specifications are linked with the joint and the pipeline by adopting chemical reagent adhesion, and a part of chemical reagent can remain in the inner wall of the connecting point of the pipe, so that the chemical reagent at the connecting point is melted in blood along with blood transfusion time, blood temperature and medicine, and potential safety hazards exist when a patient uses the blood transfusion. Disclosure of Invention The invention aims to provide a disposable physical connection blood pipeline and a production process thereof, which solve the problems. In order to solve the technical problems, the invention adopts the following technical scheme: The invention discloses a disposable physical connection blood pipeline which comprises a venous kettle, an arterial kettle and a spiral connector, wherein one end of the venous kettle is connected with the end part of the pipeline through a first connecting component, the other end of the venous kettle is connected with a venous kettle cover, two ends of the arterial kettle are connected with a first two-way connector, one of the first two-way connectors is connected with the venous kettle cover through a second connecting component, the other one of the first two-way connectors is connected with a three-phase connecting component, and the other end of the third connecting component is connected with the spiral connector through a pipeline. Further, the venous pot cover is a three-way venous pot cover, and the auxiliary pipe opening of the venous pot cover is connected with the two-way joint through a pipeline. Further, the venous pot cover is a two-way venous pot cover, and the auxiliary pipe opening of the venous pot cover is connected with the two-way joint through a pipeline. Further, the first connecting assembly comprises a first connector, the first connector and the end part of the pipeline are integrally injection molded, an annular positioning protrusion I is arranged on the outer wall of the end part of the venous kettle, a groove I is formed in the first connector, which is close to one side of the venous transfusion, a clamping groove I matched with the annular positioning protrusion I is formed in the bottom of the groove I, the annular positioning protrusion I is inserted into the clamping groove I, and the end part of the first connector is physically welded to the end part of the venous kettle. Further, an annular protrusion II is arranged inside one end, connected with the venous pot, of the venous pot cover, a groove II matched with the annular protrusion I is formed in the end portion of the venous pot, the annular protrusion II is inserted into the groove II, and the venous pot cover is physically welded on the venous pot. Further, coupling assembling two and coupling assembling three structure are the same, all include three way connection and second connector, the tip of second connector and pipeline is the integrative structure of moulding plastics, be equipped with annular location arch three on the tip outer wall of second connector, be equipped with in the tip of three way connection with the draw-in groove two that the protruding three-phase of annular location matches, annular location arch three inserts in the draw-in groove two, second connector physical welding is on three way connection, three way connection's the main pipe mouth other end and pipeline are the integrative structure of moulding plastics, three way connection's vice pipe mouth has two to lead to the joint three through the pipe connection. Further, draw-in groove III has been seted up to the tip inboard of screwed joint, with the pipeline end that screwed joint is connected with the third connector, third connector and pipeline are the integrative injection structure, the tip of third connector be equipped with draw-in groove three-phase matching's annular location arch IV, annular location arch IV inserts in the draw-in groove III, third connector physical welding is in on the screwed joint. Further, a liquid stopping clamp is arranged on the pipeline. A process for producing a disposable physical connection blood line, comprising the steps of: A. Extruding and cutting the pipeline, namely controlling the outer diameter of the pipeline extruded by an extruder to be plus or minus 0.05