CN111760099A - Dialysis blood flow connector and dialysis device - Google Patents
Dialysis blood flow connector and dialysis device Download PDFInfo
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- CN111760099A CN111760099A CN202010600180.2A CN202010600180A CN111760099A CN 111760099 A CN111760099 A CN 111760099A CN 202010600180 A CN202010600180 A CN 202010600180A CN 111760099 A CN111760099 A CN 111760099A
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- connector
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1621—Constructional aspects thereof
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/04—Liquids
- A61M2202/0413—Blood
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- Vascular Medicine (AREA)
- Hematology (AREA)
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- Biomedical Technology (AREA)
- Urology & Nephrology (AREA)
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Abstract
The invention discloses a dialysis blood flow connector and a dialysis device. The dialysis blood flow connector can lead blood in an internal fistula transplanted blood vessel and normal body surface venous blood into a dialysis machine as two ends together, so that the blood flow reaches the standard and the dialysis machine works normally; the dialysis blood flow connector can be operated by one person without risk, so that a hemodialysis patient with intravascular fistula or long-term and temporary catheter dysfunction does not need to perform an operation, the condition of insufficient blood flow is quickly solved, hemodialysis treatment is not delayed, the cost is extremely low, and the connector can be used for short-term transition treatment and long-term replacement treatment of the condition of insufficient blood flow; the dialysis blood flow connector is simple in structure, convenient to use, good in effect and worthy of popularization.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a dialysis blood flow connector and a dialysis device.
Background
Hemodialysis often faces intravascular fistulas or long-term and temporary catheter dysfunction of patients, and insufficient blood flow (generally, hemodialysis requires that blood flow is 180ml/min, and dialysis effect is poor or dialysis is stopped at a probability below the value) causes poor hemodialysis effect or the condition that dialysis is difficult to continue.
Under the condition of the original internal fistula or poor catheter function, the patient stops the dialysis treatment and needs to perform the temporary catheter implantation again for replacing the treatment; or long-term catheter placement (requiring elective surgery, which is time consuming); or internal fistula reconstruction (requiring phase-selective surgery, long time consumption, being put into use after 4-6 weeks after successful surgery, and transition during the period by putting a dialysis catheter), all the surgeries are expensive, and require 1-2 professional doctors qualified for the surgeries to operate, so that the surgery risks are high, low-level hospitals often do not have the resolving capability, and patients need to transfer to the hospital for treatment, which wastes time and labor.
Disclosure of Invention
The invention aims to: aiming at hemodialysis patients with intravascular fistula or long-term and temporary catheter dysfunction in the prior art, the hemodialysis connector and the dialysis device are provided, wherein the existing treatment scheme is adopted, the cost is high, professional doctors 1-2 who need to be qualified for operation operate, the operation risk is high, low-grade hospitals do not have the solving capability, and the patients need to be transferred to hospital for treatment, so that the problems of time and labor waste are solved.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a dialysis blood flow connector, includes the trunk line, the one end of trunk line is connected with first joint, and the other end is connected with the second and connects, be equipped with the small transfer line on the trunk line shaft, the small transfer line is connected with first pjncture needle, perhaps the small transfer line is connected with the third and connects, the third connects and is used for dismantling to connect the fourth and connect, first pjncture needle is connected to the fourth joint.
When the existing dialysis device is used, a second puncture needle is inserted into an internal fistula transplanted blood vessel and is communicated with a dialysis machine through the connection of a sixth joint and a fifth joint, when the dialysis machine displays insufficient dialysis blood flow due to the poor function of an intravascular fistula or a dialysis catheter (comprising a long-term catheter and a temporary catheter), the dialysis blood flow connector is adopted, the second puncture needle is communicated with the main pipeline through the connection of the sixth joint and the first joint, the main pipeline is communicated with the dialysis machine through the connection of the second joint and the fifth joint, the first puncture needle is used for being inserted into a body surface vein of a patient, the vein is used as an artery for supplying blood, the blood flow is promoted to reach the standard, and the dialysis machine can normally carry out dialysis.
By adopting the dialysis blood flow connector, blood in an internal fistula transplanted blood vessel and normal body surface venous blood can be used as two ends to draw blood together and be led into a dialysis machine at the same time, so that the blood flow reaches the standard and the dialysis machine works normally; the hemodialysis blood flow connector can be operated by one person without risk, so that hemodialysis patients with intravascular fistula or long-term and temporary catheter dysfunction do not need to perform operations, the condition of insufficient blood flow is solved quickly, hemodialysis treatment is not delayed, the cost is low, the hemodialysis blood flow connector can be used for short-term transition treatment and long-term replacement treatment of the condition of insufficient blood flow, and can be adopted by ordinary hospitals; the dialysis blood flow connector is simple in structure, convenient to use, good in effect and worthy of popularization.
Preferably, the pipe diameter of the main pipeline is larger than that of the branch pipeline.
Preferably, the main pipe diameter between the branch pipe port and the first joint is smaller than the main pipe diameter between the branch pipe port and the second joint.
Preferably, a sum of a sectional area of the main pipe between the branch pipe port to the first joint and a sectional area of the branch pipe is larger than a sectional area of the main pipe between the branch pipe port to the second joint.
By adopting the structure, the sum of the blood flow entering the main pipeline through the first joint and the blood flow entering the main pipeline through the branch pipeline can be larger than the blood flow going out through the second joint, so that the blood flow going out through the second joint can be ensured to be continuously supplied, and the blood flow required by the normal work of the dialysis machine can be ensured.
Preferably, the branch duct and the main duct form a Y-shaped member.
Further preferably, the included angle between the branch pipeline and the main pipeline is 45-60 degrees.
Preferably, the main pipe length between the branch pipe port to the first joint is less than the branch pipe length.
The invention also provides a dialysis device comprising a second puncture needle, a dialysis machine and a connector for dialyzing blood flow according to any one of claims 1 to 7, wherein a fifth connector is connected to the dialysis machine, the fifth connector is detachably connected to the second connector, the second puncture needle is connected to a sixth connector, and the sixth connector is detachably connected to the first connector.
When the existing dialysis device is used, a second puncture needle is inserted into an internal fistula transplanted blood vessel and is communicated with a dialysis machine through the connection of a sixth joint and a fifth joint, when the dialysis machine displays insufficient dialysis blood flow due to the poor function of an intravascular fistula or a dialysis catheter (comprising a long-term catheter and a temporary catheter), the dialysis blood flow connector is adopted, the second puncture needle is communicated with the main pipeline through the connection of the sixth joint and the first joint, the main pipeline is communicated with the dialysis machine through the connection of the second joint and the fifth joint, the first puncture needle is used for being inserted into a body surface vein of a patient, the vein is used as an artery for supplying blood, the blood flow is promoted to reach the standard, and the dialysis machine can normally carry out dialysis.
By adopting the dialysis device, blood in an internal fistula transplanted blood vessel and normal body surface venous blood can be used as blood leads at two ends and are simultaneously led into the dialysis machine, so that the blood flow reaches the standard and the dialysis machine works normally; the dialysis device can be operated by one person, has no risk, can enable hemodialysis patients with intravascular fistula or long-term and temporary catheter dysfunction to do not need to perform operations, quickly solves the condition of insufficient blood flow, does not delay hemodialysis treatment, has extremely low cost, can be used as short-term transition treatment and long-term replacement treatment of the condition of insufficient blood flow, and can be adopted by common hospitals; the dialysis device has the advantages of simple structure, convenient use, good effect and worth of popularization.
Preferably, the first connector is a first male luer connector, the second connector is a first female luer connector, the fifth connector is a second male luer connector, and the sixth connector is a second female luer connector.
Adopts luer joint connection, and the scheme is mature and reliable, and the effect is good.
Preferably, the branch conduit is disposed toward the second puncture needle, and the first puncture needle is adjacent to the second puncture needle.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the dialysis blood flow connector can be used for leading blood in an internal fistula transplanted blood vessel and normal body surface venous blood into a dialysis machine together as two ends to lead blood simultaneously, so that the blood flow reaches the standard and the dialysis machine works normally; the hemodialysis blood flow connector can be operated by one person without risk, so that hemodialysis patients with intravascular fistula or long-term and temporary catheter dysfunction do not need to perform operations, the condition of insufficient blood flow is solved quickly, hemodialysis treatment is not delayed, the cost is low, the hemodialysis blood flow connector can be used for short-term transition treatment and long-term replacement treatment of the condition of insufficient blood flow, and can be adopted by ordinary hospitals; the dialysis blood flow connector is simple in structure, convenient to use, good in effect and worthy of popularization;
2. according to the dialysis blood flow connector, the sum of the cross section area of the main pipeline between the port of the branch pipeline and the first joint and the cross section area of the branch pipeline is larger than the cross section area of the main pipeline between the port of the branch pipeline and the second joint, the sum of the blood flow entering the main pipeline through the first joint and the blood flow entering the main pipeline through the branch pipeline can be larger than the blood flow going out through the second joint, the blood flow going out through the second joint can be ensured to be constantly supplied, and the blood flow required by the normal operation of a dialysis machine is ensured.
3. The dialysis device can take blood in an internal fistula transplanted blood vessel and normal body surface venous blood as two ends to draw blood together and introduce the blood into the dialysis machine at the same time, so that the blood flow reaches the standard and the dialysis machine works normally; the dialysis device can be operated by one person, has no risk, can enable hemodialysis patients with intravascular fistula or long-term and temporary catheter dysfunction to do not need to perform operations, quickly solves the condition of insufficient blood flow, does not delay hemodialysis treatment, has extremely low cost, can be used as short-term transition treatment and long-term replacement treatment of the condition of insufficient blood flow, and can be adopted by common hospitals; the dialysis device has the advantages of simple structure, convenient use, good effect and worth of popularization.
Drawings
Fig. 1 is a schematic structural view of the dialysis blood flow connector and the dialysis apparatus.
Fig. 2 is another schematic structural diagram of the dialysis blood flow connector and the dialysis device.
Icon: 1-main pipeline, 11-branch pipeline, 21-first joint, 22-sixth joint, 31-second joint, 32-fifth joint, 4-second puncture needle, 5-first puncture needle, 6-dialysis machine, 71-third joint and 72-fourth joint.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
As shown in fig. 1, a dialysis apparatus according to the present invention comprises a second puncture needle 4, a dialysis machine 6, and a dialysis blood flow connector.
Dialysis blood flow connector includes trunk line 1, the one end of trunk line 1 is connected with first joint 21, and the other end is connected with second joint 31, be equipped with branch pipe way 11 on the 1 shaft of trunk line, branch pipe way 11 is connected with first pjncture needle 5.
The dialysis machine 6 is connected with a fifth joint 32, the fifth joint 32 is detachably connected with the second joint 31, the second puncture needle 4 is connected with a sixth joint 22, and the sixth joint 22 is detachably connected with the first joint 21.
Specifically, the first connector 21 is a first male luer connector, the second connector 31 is a first female luer connector, the fifth connector 32 is a second male luer connector, and the sixth connector 22 is a second female luer connector, and the first connector, the second connector and the sixth connector are connected by luer connectors.
The pipe diameter of the main pipeline 1 is larger than that of the branch pipeline 11, the pipe diameter of the main pipeline 1 between a port of the branch pipeline 11 and the first joint 21 is smaller than that of the main pipeline 1 between a port of the branch pipeline 11 and the second joint 31, the length of the main pipeline 1 between the port of the branch pipeline 11 and the first joint 21 is smaller than that of the branch pipeline 11, the branch pipeline 11 is arranged towards the second puncture needle 4, and the first puncture needle 5 is close to the second puncture needle 4; the branch pipeline 11 and the main pipeline 1 form a Y-shaped component, and the included angle between the branch pipeline 11 and the main pipeline 1 is 45-60 degrees.
The sum of the cross-sectional area of the main pipeline 1 between the port of the branch pipeline 11 and the first joint 21 and the cross-sectional area of the branch pipeline 11 is larger than the cross-sectional area of the main pipeline 1 between the port of the branch pipeline 11 and the second joint 31, and by adopting the structure, the sum of the blood flow entering the main pipeline 1 through the first joint 21 and the blood flow entering the main pipeline 1 through the branch pipeline 11 can be larger than the blood flow going out through the second joint 31, so that the blood flow going out through the second joint 31 can be ensured to be continuously supplied, and the blood flow required by the normal operation of the dialysis machine 6 can be ensured.
When the existing dialysis device is used, the second puncture needle 4 is inserted into an internal fistula graft blood vessel, the second puncture needle 4 is communicated with the dialysis machine 6 through the connection of the sixth joint 22 and the fifth joint 32, when the dialysis machine 6 displays insufficient dialysis blood flow due to the intravascular fistula or poor function of a dialysis catheter (including a long-term catheter and a temporary catheter), the dialysis blood flow connector is adopted, the second puncture needle 4 is communicated with the main pipeline 1 through the connection of the sixth joint 22 and the first joint 21, the main pipeline 1 is communicated with the dialysis machine 6 through the connection of the second joint 31 and the fifth joint 32, the first puncture needle 5 is used for being inserted into a body surface vein of a patient, the vein is used as a blood supply artery, the blood flow is promoted to reach the standard, and the dialysis machine 6 can normally carry out dialysis.
By using the dialysis device, blood in an internal fistula transplanted blood vessel and normal body surface venous blood can be used as blood leads at two ends and are simultaneously led into the dialysis machine 6, so that the blood flow reaches the standard and the dialysis machine 6 is kept working normally; the dialysis device can be operated by one person, has no risk, can enable hemodialysis patients with intravascular fistula or long-term and temporary catheter dysfunction to do not need to perform operations, quickly solves the condition of insufficient blood flow, does not delay hemodialysis treatment, has extremely low cost, can be used as short-term transition treatment and long-term replacement treatment of the condition of insufficient blood flow, and can be adopted by common hospitals; the dialysis device has the advantages of simple structure, convenient use, good effect and worth of popularization.
Example 2
As shown in fig. 2, a dialysis apparatus according to the present invention is different from embodiment 1 in that in this embodiment, a third connector 71 is connected to the branch conduit 11, the third connector 71 is detachably connected to a fourth connector 72, and the fourth connector 72 is connected to the first puncture needle 5.
Specifically, the third joint 71 is a third male luer joint, the fourth joint 72 is a third female luer joint, and luer joints are adopted for connection, so that the scheme is mature and reliable, and the effect is good.
Adopt this structural setting, the dialysis blood flow connector only includes trunk line 1 the small transfer line 11 first joint 21 the second connects 31 with the third connects 71, the production of being convenient for saves the cost, when the in-service use, when blood flow is not enough, only need to change this embodiment the dialysis blood flow connector, and pass through the third connects 71 to connect the matching the fourth connects 72, with this connection first pjncture needle 5 can, the dialysis blood flow connector itself does not take the needle utensil certainly, the security when having increased packing, transportation, dismouting.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a dialysis blood flow connector, includes trunk line (1), its characterized in that, the one end of trunk line (1) is connected with first joint (21), and the other end is connected with second joint (31), be equipped with branch pipeline (11) on trunk line (1) shaft, branch pipeline (11) are connected with first pjncture needle (5), perhaps branch pipeline (11) are connected with third joint (71), third joint (71) are used for dismantling and connect fourth joint (72), first pjncture needle (5) are connected in fourth joint (72).
2. Dialysis blood flow connector according to claim 1, wherein the main conduit (1) has a larger tube diameter than the branch conduit (11).
3. Dialysis blood flow connector according to claim 1, wherein the main pipe (1) pipe diameter between the branch pipe (11) port to the first connector (21) is smaller than the main pipe (1) pipe diameter between the branch pipe (11) port to the second connector (31).
4. Dialysis blood flow connector according to claim 1, wherein the sum of the cross-sectional area of the main conduit (1) between the branch conduit (11) port to the first junction (21) and the cross-sectional area of the branch conduit (11) is larger than the cross-sectional area of the main conduit (1) between the branch conduit (11) port to the second junction (31).
5. Dialysis blood flow connector according to claim 1, wherein the branch conduit (11) and the main conduit (1) form a Y-shaped member.
6. Dialysis blood flow connector according to claim 5, wherein the angle between the branch conduit (11) and the main conduit (1) is 45 ° -60 °.
7. Dialysis blood flow connector according to any of claims 1-6, wherein the length of the main conduit (1) between the branch conduit (11) port to the first connector (21) is smaller than the branch conduit (11) length.
8. Dialysis device comprising a second puncture needle (4), a dialysis machine (6) and a dialysis blood flow connector according to any of claims 1 to 7, wherein a fifth connector (32) is connected to the dialysis machine (6), wherein the fifth connector (32) is detachably connected to the second connector (31), wherein a sixth connector (22) is connected to the second puncture needle (4), and wherein the sixth connector (22) is detachably connected to the first connector (21).
9. Dialysis device according to claim 8, wherein the first connector (21) is a first male luer connector, the second connector (31) is a first female luer connector, the fifth connector (32) is a second male luer connector and the sixth connector (22) is a second female luer connector.
10. Dialysis device according to any of claims 8 to 9, wherein the branch duct (11) is arranged towards the second puncture needle (4) and the first puncture needle (5) is adjacent to the second puncture needle (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010600180.2A CN111760099A (en) | 2020-06-28 | 2020-06-28 | Dialysis blood flow connector and dialysis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010600180.2A CN111760099A (en) | 2020-06-28 | 2020-06-28 | Dialysis blood flow connector and dialysis device |
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| Publication Number | Publication Date |
|---|---|
| CN111760099A true CN111760099A (en) | 2020-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010600180.2A Pending CN111760099A (en) | 2020-06-28 | 2020-06-28 | Dialysis blood flow connector and dialysis device |
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| Country | Link |
|---|---|
| CN (1) | CN111760099A (en) |
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2020
- 2020-06-28 CN CN202010600180.2A patent/CN111760099A/en active Pending
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