CN211584543U - Blood way pipe and no heparin dialysis set - Google Patents
Blood way pipe and no heparin dialysis set Download PDFInfo
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- CN211584543U CN211584543U CN201920927964.9U CN201920927964U CN211584543U CN 211584543 U CN211584543 U CN 211584543U CN 201920927964 U CN201920927964 U CN 201920927964U CN 211584543 U CN211584543 U CN 211584543U
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Abstract
The utility model discloses a blood path pipe and a heparin-free dialysis device, wherein the blood path pipe comprises an arterial pipe, a first three-way valve, a dialysis pipe, a second three-way valve and a venous pipe; the inlet end of the arterial tube can be communicated and connected with an arterial blood vessel; the first end of the first three-way valve is communicated with the outlet end of the arterial tube, and the second end of the first three-way valve is communicated with the inlet end of the dialysis tube; the outlet end of the dialysis tube is communicated with the first end of the second three-way valve; the second end of the second three-way valve is communicated and connected with the inlet end of the venous tube, and the outlet end of the venous tube can be communicated and connected with the venous blood vessel; the third end of the first three-way valve can be in conduction connection with the inlet end of the dialyzer, and the third end of the second three-way valve can be in conduction connection with the outlet end of the dialyzer. When the dialyzer is blocked by blood coagulation, the first three-way valve and the second three-way valve are adjusted to shield the dialyzer, and blood enters the venous tube after passing through the dialysis tube. The blood of the patient can not be returned by the blood pipe when the blood coagulation of the dialyzer is blocked.
Description
Technical Field
The utility model belongs to the technical field of the medical instrument technique and specifically relates to a blood way pipe and no heparin dialysis device is related to.
Background
At present, heparin-free dialysis is widely applied to blood purification treatment patients with high-risk bleeding tendency, but when a dialyzer for hemodialysis is blocked by blood coagulation, blood of the patient cannot be returned by a blood pipeline, so that the blood of the patient is lost.
Therefore, the technical problem to be solved by those skilled in the art is how to avoid the blood blocking of the dialyzer and the failure of the blood tube to return the blood of the patient.
SUMMERY OF THE UTILITY MODEL
In view of this, the first objective of the present invention is to provide a blood tube, which can prevent the blood tube from returning the blood of the patient when the dialyzer is blocked by blood coagulation.
The second objective of the present invention is to provide a heparin-free dialysis device.
In order to achieve the first object, the present invention provides the following solutions:
a blood path tube comprises an arterial tube, a first three-way valve, a dialysis tube, a second three-way valve and a venous tube;
the inlet end of the arterial tube can be communicated and connected with an arterial blood vessel;
the first end of the first three-way valve is in conduction connection with the outlet end of the arterial tube, and the second end of the first three-way valve is in conduction connection with the inlet end of the dialysis tube;
the outlet end of the dialysis tube is in conduction connection with the first end of the second three-way valve;
the second end of the second three-way valve is in communication connection with the inlet end of the venous pipe, and the outlet end of the venous pipe can be in communication connection with a venous blood vessel;
the third end of the first three-way valve can be in conduction connection with the inlet end of a dialyzer, and the third end of the second three-way valve can be in conduction connection with the outlet end of the dialyzer.
In another specific embodiment, the blood line further comprises a first venous pot and a second venous pot;
the third end of the second three-way valve is in conduction connection with the outlet end of the dialyzer through the first venous pot;
the second end of the first three-way valve is in conduction connection with the inlet end of the dialysis tube through the second venous pot;
the first venous pot is provided with a side branch pipe which is in conduction connection with the inner cavity of the first venous pot, the inlet end of the second venous pot can be respectively connected with the second end of the first three-way valve or the side branch pipe in a pluggable mode, and the outlet end of the dialysis pipe can be respectively connected with the third end of the second three-way valve or the side branch pipe in a pluggable mode;
when the dialyzer is blocked by blood coagulation and a first venous kettle is not blocked by blood coagulation, the first end of the first three-way valve is communicated with the second end of the first three-way valve, the third end of the second three-way valve is disconnected with the outlet end of the dialysis tube and is communicated and connected with the side branch tube, and the second end of the second three-way valve is communicated with the third end of the second three-way valve;
when the dialyzer is not blocked by blood clots and a first venous kettle is blocked by blood clots, the first end of the first three-way valve is communicated with the third end of the first three-way valve, the inlet end of the second venous kettle is disconnected from the second end of the first three-way valve and is communicated with the side branch pipe, and the first end of the second three-way valve is communicated with the second end of the second three-way valve;
when the dialyzer and the first venous pot are both blocked by blood clots, the first end of the first three-way valve is communicated with the second end of the first three-way valve, and the first end of the second three-way valve is communicated with the second end of the second three-way valve.
In another specific embodiment, the blood line further comprises a resilient clip;
the elastic clamp is arranged on the side branch pipe and used for controlling the on-off of the side branch pipe.
In another specific embodiment, the blood circuit further comprises a blood pump tube;
the blood pump pipe is installed between the arterial line and the first three-way valve, and the arterial line is connected with the first end of the first three-way valve through the blood pump pipe.
In another specific embodiment, the blood line further comprises an arterial ampule;
the arterial pot is installed the blood pump pipe with between the first three-way valve, the blood pump pipe pass through the arterial pot with the first end turn-on connection of first three-way valve.
In another specific embodiment, the blood line further comprises a flushing branch tube;
the inlet end of the flushing branch pipe is communicated and connected with the outlet end of the blood pump pipe.
In another specific embodiment, the blood circuit further comprises an arterial pressure monitor,
the arterial pressure monitor is mounted on the arterial tube and used for monitoring arterial pressure in the arterial tube; and/or
The blood line further includes a venous pressure monitor,
the venous pressure monitor is mounted on the first venous pot for monitoring venous pressure within the first venous pot.
In another specific embodiment, the venous tube is provided with a venous end sampling port for collecting venous blood; and/or
The arterial tube is provided with an arterial end sampling port for collecting arterial blood.
In another specific embodiment, the blood line tubing further comprises a port protection cap and a connector protection cap;
the port protective cap is respectively covered on the outlet end of the venous tube and the inlet end of the arterial tube;
the joint protective cap is arranged at the end part of the side branch pipe.
According to the utility model discloses an each embodiment can make up as required wantonly, and the embodiment that obtains after these combinations is also in the utility model discloses the scope is the utility model discloses a part of the concrete implementation mode.
In a specific embodiment of the utility model, when in use, the third end of the first three-way valve is in conduction connection with the inlet end of the dialyzer, and the third end of the second three-way valve is in conduction connection with the outlet end of the dialyzer; during normal dialysis, the blood in the arterial blood vessel enters a dialyzer through the arterial tube and a first three-way valve for dialysis, and then the blood comes out of the dialyzer and enters a venous tube through a second three-way valve; finally, the blood is infused into the venous blood vessel. When the dialyzer is blocked by blood coagulation, the first three-way valve and the second three-way valve are adjusted, so that blood in the arterial blood vessel enters the dialysis tube after passing through the arterial tube and the first three-way valve, and then the blood enters the venous tube after coming out of the dialysis tube through the second three-way valve; finally, the blood is infused into the venous blood vessel. The blood of the patient can not be returned by the blood pipe when the dialyzer is blocked by blood coagulation.
In order to achieve the second objective, the present invention provides the following solutions:
a heparin-free dialysis device comprising a dialyzer and a blood line as described in any one of the above.
Because the utility model discloses a no heparin dialysis device includes the blood way pipe in the above-mentioned, consequently, the beneficial effect that the blood way pipe had all is the utility model discloses a no heparin dialysis device contains.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without any novelty.
Fig. 1 is a schematic structural view of the blood tube provided by the present invention.
Wherein, in fig. 1:
the device comprises an arterial tube 1, a first three-way valve 2, a dialysis tube 3, a second three-way valve 4, a venous tube 5, a dialyzer 6, a first venous pot 7, a second venous pot 8, a side branch tube 701, an elastic clamp 9, a blood pump tube 10, an arterial pot 11, a flushing branch tube 12, a venous end sampling port 13 and an arterial end sampling port 14.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to fig. 1 and the detailed description.
Example one
The utility model provides a blood way pipe. Wherein the blood circuit comprises an arterial tube 1, a first three-way valve 2, a dialysis tube 3, a second three-way valve 4 and a venous tube 5.
The inlet end of the arterial tube 1 is capable of being in fluid communication with an arterial vessel.
The first end of first three-way valve 2 and the exit end turn-on connection of artery pipe 1, the second end of first three-way valve 2 and the entry end turn-on connection of dialysis tubing 3, the exit end of dialysis tubing 3 and the first end turn-on connection of second three-way valve 4.
The second end of the second three-way valve 4 is in fluid connection with the inlet end of the venous tube 5, and the outlet end of the venous tube 5 is capable of being in fluid connection with a venous blood vessel.
The third end of the first three-way valve 2 can be in conduction connection with the inlet end of the dialyzer 6, and the third end of the second three-way valve 4 can be in conduction connection with the outlet end of the dialyzer 6. That is, the dialyzer 6 is disposed in parallel with the dialysis tubing 3, and the switching between the dialyzer 6 and the dialysis tubing 3 can be realized by adjusting the first three-way valve 2 and the second three-way valve 4.
Use the utility model provides a during blood way pipe, with the third end of first three-way valve 2 and the entry end turn-on connection of cerini dialyser cerini 6, the third end of second three-way valve 4 and the exit end turn-on connection of cerini dialyser cerini 6. During normal dialysis, the first end of the first three-way valve 2 is communicated with the third end of the first three-way valve 2, blood in the arterial blood vessel enters a dialyzer 6 for dialysis after passing through the arterial tube 1 and the first three-way valve 2, and then the blood comes out of the dialyzer 6 and enters a venous tube 5 through the second three-way valve 4; finally, the blood is infused into the venous blood vessel. When the dialyzer 6 is blocked by blood coagulation, the first end of the first three-way valve 2 is communicated with the second end of the first three-way valve 2 by adjusting the first three-way valve 2 and the second three-way valve 4, the dialysis tube 3 is communicated with the venous tube 5 by adjusting the second three-way valve 4, blood in the arterial blood passes through the arterial tube 1 and the first three-way valve 2 and then enters the dialysis tube 3, and then the blood comes out of the dialysis tube 3 and then enters the venous tube 5 by the second three-way valve 4; finally, the blood is infused into the venous blood vessel. The blood of the patient can not be back transfused by the blood road pipe when the dialyzer 6 is blocked by blood coagulation.
Example two
The blood path tube in the first embodiment is similar to the blood path tube in the second embodiment, and the same parts are not repeated, and only the difference is introduced.
In this embodiment, the utility model discloses a blood way pipe still includes first vein kettle 7 and second vein kettle 8 specifically.
The third end of the second three-way valve 4 is in conduction connection with the outlet end of the dialyzer 6 through a first venous pot 7, namely the inlet end of the first venous pot 7 is in conduction connection with the outlet end of the dialyzer 6, and the outlet end of the first venous pot 7 is in conduction connection with the third end of the second three-way valve 4.
The second end of first three-way valve 2 and the entry end of dialysis tubing 3 are through second vein kettle 8 turn-on connection, and the entry end of second vein kettle 8 and the second end turn-on connection of first three-way valve 2 promptly, and the exit end of second vein kettle 8 and the entry end turn-on connection of dialysis tubing 3.
Be provided with the collateral branch pipe 701 that switches on with 7 inner chambers of first vein kettle on the first vein kettle 7, the entry end of second vein kettle 8 can be connected with the second end of first three-way valve 2 or collateral branch pipe 701 plug respectively, and the exit end of dialysis tubing 3 can be connected with the third end of second three-way valve 4 or collateral branch pipe 701 plug respectively.
When 6 hemagglutination clogs of cerini dialyser cerini, and when first vein kettle 7 does not hemagglutination clogs, the first end of first three-way valve 2 switches on with the second end of first three-way valve 2, the first end of first three-way valve 2 and the third end disconnection of first three-way valve 2, the third end of second three-way valve 4 and the exit end junction disconnection of dialysis tubing 3, and with collateral branch pipe 701 switch on connection, the third end of second three-way valve 4 is extracted from the exit end of dialysis tubing 3 promptly, and make the third end of second three-way valve 4 peg graft collateral branch pipe 701 department, make the third end of second three-way valve 4 and collateral branch pipe 701 switch on connection, the second end of second three-way valve 4 and the third end of second three-way valve 4. That is, when the dialyzer 6 is hemocoagulatively clogged and the first venous pot 7 is not hemocoagulatively clogged, the blood in the arterial vessel passes through the arterial tube 1, the first end of the first three-way valve 2 and the second end of the first three-way valve 2, then enters the second venous pot 8, then passes through the dialysis tube 3, then enters the first venous pot 7 through the side branch 701, and finally enters the venous vessel sequentially through the third end of the second three-way valve 4, the second end of the second three-way valve 4 and the venous tube 5. So that the blood accumulated in the first venous pot 7 can also flow into the venous vessel.
When the dialyzer 6 is not blocked by blood coagulation and the first venous pot 7 is blocked by blood coagulation, the first end of the first three-way valve 2 is communicated with the third end of the first three-way valve 2, the first end of the first three-way valve 2 is disconnected with the second end of the first three-way valve 2, the inlet end of the second venous pot 8 is disconnected with the second end of the first three-way valve 2 and is communicated with the side branch pipe 701, and the first end of the second three-way valve 4 is communicated with the second end of the second three-way valve 4. That is, when the dialyzer 6 is not blocked by blood clotting and the first venous pot 7 is blocked by blood clotting, the blood in the arterial vessel passes through the arterial tube 1, the first end of the first three-way valve 2 and the third end of the first three-way valve 2, then enters the dialyzer 6 for dialysis, then enters the second venous pot 8 through the inlet end of the first venous pot 7 and the side branch 701, then enters the dialysis tube 3, and finally enters the venous vessel sequentially through the first end of the second three-way valve 4, the second end of the second three-way valve 4 and the venous tube 5. When the first venous pot 7 is blocked by blood coagulation, the second venous pot 8 replaces the first venous pot 7, so that the use of the dialyzer 6 is not affected.
When the dialyzer 6 and the first venous pot 7 are both blocked by blood clots, the first end of the first three-way valve 2 is communicated with the second end of the first three-way valve 2, and the first end of the second three-way valve 4 is communicated with the second end of the second three-way valve 4. That is, when the dialyzer 6 and the first venous pot 7 are both blood clotting-blocked, blood in the arterial vessel passes through the arterial tube 1, the first end of the first three-way valve 2, and the second end of the first three-way valve 2, then enters the dialysis tube 3, and finally enters the venous vessel sequentially through the first end of the second three-way valve 4, the second end of the second three-way valve 4, and the venous tube 5.
Further, the utility model discloses a blood way pipe still includes elastic clamp 9, and elastic clamp 9 is installed on collateral branch pipe 701 for the break-make of control collateral branch pipe 701. When the side branch pipe 701 is needed to be used for conduction, the elastic clamp 9 is loosened; when the side branch vessel 701 is not needed, the elastic clip 9 clamps and blocks the side branch vessel 701. Instead of the elastic clip 9, a switch or the like may be used to open and close the side branch pipe 701.
Further, the utility model discloses a blood way pipe still includes blood pump pipe 10, and blood pump pipe 10 is installed between arterial line 1 and first three-way valve 2, and arterial line 1 passes through blood pump pipe 10 and first end turn-on connection of first three-way valve 2. Namely, the inlet end of the blood pump tube 10 is in conduction connection with the outlet end of the arterial tube 1, and the outlet end of the blood pump tube 10 is in conduction connection with the first end of the first three-way valve 2.
Further, the utility model discloses a blood way pipe still includes arterial kettle 11, and arterial kettle 11 is installed between blood pump pipe 10 and first three-way valve 2, and blood pump pipe 10 passes through arterial kettle 11 and first three-way valve 2's first end turn-on connection.
Further, the utility model discloses a blood way pipe is still including washing bleeder 12, washes the entry end of bleeder 12 and the exit end switch-on connection of blood pump pipe 10, through to washing injecting the salt solution in bleeder 12, realizes the salt solution preflush to whole blood way pipe.
Further, the utility model discloses a blood way pipe still includes arterial pressure monitor, and arterial pressure monitor installs on arterial pipe 1 for the arterial pressure in the monitoring arterial pipe 1 is convenient for monitor arterial pressure at any time.
Further, the utility model discloses a blood way pipe still includes venous pressure monitor, and venous pressure monitor installs on first vein kettle 7 for monitor venous pressure in the first vein kettle 7, be convenient for monitor venous pressure at any time.
Further, the utility model discloses a be provided with vein end sampling port 13 that is used for gathering venous blood on the vein pipe 5, can realize vein sampling through vein end sampling port 13.
Further, the utility model discloses a be provided with the artery end sample connection 14 that is used for gathering arterial blood on the arterial line 1, can realize the artery sampling through artery end sample connection 14.
Further, the utility model discloses a blood way pipe still includes port protective cap and joint protective cap. The port protective cap covers the outlet end of the venous tube 5 and the inlet end of the arterial tube 1 respectively, so that dust and the like are prevented from polluting the outlet end of the venous tube 5 and the inlet end of the arterial tube 1.
A joint protection cap is provided at an end of the side branch pipe 701 to prevent the side branch pipe 701 from being contaminated by dust and the like.
The first three-way valve 2 and the second three-way valve 4 may be any type of three-way valve, and in this embodiment, the first three-way valve 2 and the second three-way valve 4 are both tap three-way valves as an example.
Under the normal working state of dialysis, the second venous pot 8 and the dialysis tube 3 are closed by adjusting the first three-way valve 2 and the second three-way valve 4, blood enters from the driven vessel 1, enters the dialyzer 6 through the arterial tube 1, the blood pump tube 10, the arterial pot 11, the first end of the first three-way valve 2 and the third end of the first three-way valve 2, the blood exchanges substances with dialysate through the dialyzer 6, toxins in the blood are filtered out, clean blood enters the venous tube 5 through the first venous pot 7, the third end of the second three-way valve 4 and the second end of the second three-way valve 4, and finally flows into the body of a patient through the venous tube 5; when only the dialyzer 6 coagulates, the first three-way valve 2 and the second three-way valve 4 are rotated to shield the dialyzer 6, the outlet end of the dialysis tube 3 is disconnected from the first end of the second three-way valve 4, the outlet end of the dialysis tube 3 is communicated with the side branch tube 701, blood enters from the artery 1, enters the second venous pot 8 through the artery 1, the blood pump tube 10, the arterial pot 11, the first end of the first three-way valve 2 and the second end of the first three-way valve 2, then enters the dialysis tube 3, then enters the venous tube 5 through the side branch tube 701, the third end of the second three-way valve 4 and the second end of the second three-way valve 4, finally flows into the patient through the venous tube 5, residual blood in the venous tube is returned to the patient, and the loss of the blood of the dialysis patient is reduced; when only the first venous pot 7 coagulates, the inlet end of the second venous pot 8 is connected to the side branch pipe 701 of the first venous pot 7, the second three-way valve 4 is rotated to connect the second venous pot 8, the coagulated first venous pot 7 is shielded, blood enters from the artery 1, enters the dialyzer 6 through the arterial pipe 1, the blood pump pipe 10, the arterial pot 11, the first end of the first three-way valve 2 and the third end of the first three-way valve 2, the blood exchanges substances with dialysate through the dialyzer 6, toxins in the blood are filtered out, clean blood enters the venous pipe 5 through the inlet end of the first venous pot 7, the side branch pipe 701, the second venous pot 8, the dialysis pipe 3, the first end of the second three-way valve 4 and the second end of the second three-way valve 4, and finally flows into a patient body through the venous pipe 5, and the final dialysis process can be continuously completed; when the dialyzer 6 and the first venous pot 7 are both coagulated blood and blocked, the first three-way valve 2 and the second three-way valve 4 are rotated to shield the dialyzer 6 and the first venous pot 7 which are coagulated blood, blood enters from the driven vessel 1 and enters the second venous pot 8 through the arterial tube 1, the blood pump tube 10, the arterial pot 11, the first end of the first three-way valve 2 and the second end of the first three-way valve 2, then the first end of the second three-way valve 4 and the second end of the second three-way valve 4 enter the venous tube 5 through the dialysis tube 3, and finally the first end of the second three-way valve 4 and the second end of the second three-way valve 4 flow into the body of.
The utility model has the advantages of as follows:
(1) the dialyzer 6 can return the blood of the patient when the blood coagulation of the dialyzer and the first venous pot 7 is completely blocked;
(2) blood loss and other complications caused by blood coagulation in the clinical treatment process are avoided;
(3) simple structure, safety, effectiveness and convenient use.
EXAMPLE III
The utility model discloses a no heparin dialysis device, including 6 and the blood way pipe as in above-mentioned arbitrary embodiment of cerini dialyser cerini.
Because the utility model discloses a no heparin dialysis device includes the blood way pipe in the above-mentioned arbitrary embodiment, consequently, the beneficial effect that the blood way pipe had all is the utility model discloses a no heparin dialysis device contains.
It should be noted that, in this context, a foldable connection means that the two connection parts are rotatable by a crease or an impression.
It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in an article or device that comprises the element.
The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the core concepts of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (9)
1. A blood path tube is characterized by comprising an arterial tube (1), a first three-way valve (2), a dialysis tube (3), a second three-way valve (4) and a venous tube (5);
the inlet end of the arterial tube (1) can be communicated and connected with an arterial blood vessel;
the first end of the first three-way valve (2) is in conduction connection with the outlet end of the arterial tube (1), and the second end of the first three-way valve (2) is in conduction connection with the inlet end of the dialysis tube (3);
the outlet end of the dialysis tube (3) is communicated with the first end of the second three-way valve (4);
the second end of the second three-way valve (4) is in communication connection with the inlet end of the venous tube (5), and the outlet end of the venous tube (5) can be in communication connection with a venous blood vessel;
the third end of the first three-way valve (2) can be in conduction connection with the inlet end of a dialyzer (6), and the third end of the second three-way valve (4) can be in conduction connection with the outlet end of the dialyzer (6);
the blood path pipe also comprises a first venous pot (7) and a second venous pot (8);
the third end of the second three-way valve (4) is in conduction connection with the outlet end of the dialyzer (6) through the first venous pot (7);
the second end of the first three-way valve (2) is in conduction connection with the inlet end of the dialysis tube (3) through the second venous pot (8);
a side branch pipe (701) which is in conduction connection with the inner cavity of the first venous kettle (7) is arranged on the first venous kettle (7), the inlet end of the second venous kettle (8) can be respectively connected with the second end of the first three-way valve (2) or the side branch pipe (701) in a pluggable mode, and the outlet end of the dialysis pipe (3) can be respectively connected with the third end of the second three-way valve (4) or the side branch pipe (701) in a pluggable mode;
when the dialyzer (6) is blocked by blood coagulation and a first venous pot (7) is not blocked by blood coagulation, the first end of the first three-way valve (2) is communicated with the second end of the first three-way valve (2), the third end of the second three-way valve (4) is disconnected with the outlet end of the dialysis tube (3) and is communicated and connected with the side branch tube (701), and the second end of the second three-way valve (4) is communicated with the third end of the second three-way valve (4);
when the dialyzer (6) is not blocked by blood coagulation and a first venous pot (7) is blocked by blood coagulation, the first end of the first three-way valve (2) is communicated with the third end of the first three-way valve (2), the inlet end of the second venous pot (8) is disconnected from the second end of the first three-way valve (2) and is communicated with the side branch pipe (701), and the first end of the second three-way valve (4) is communicated with the second end of the second three-way valve (4);
when the dialyzer (6) and the first venous pot (7) are both blocked by blood clots, the first end of the first three-way valve (2) is communicated with the second end of the first three-way valve (2), and the first end of the second three-way valve (4) is communicated with the second end of the second three-way valve (4).
2. The vascular access of claim 1, further comprising a resilient clip (9);
the elastic clamp (9) is arranged on the side branch pipe (701) and used for controlling the on-off of the side branch pipe (701).
3. The blood line tube according to claim 1, further comprising a blood pump tube (10);
the blood pump pipe (10) is installed between the arterial pipe (1) and the first three-way valve (2), and the arterial pipe (1) is communicated and connected with a first end of the first three-way valve (2) through the blood pump pipe (10).
4. The vascular access of claim 3, further comprising an arterial pot (11);
the arterial pot (11) is installed between the blood pump pipe (10) and the first three-way valve (2), and the blood pump pipe (10) is connected with the first end of the first three-way valve (2) in a conduction mode through the arterial pot (11).
5. The vascular access of claim 3, further comprising a flushing branch tube (12);
the inlet end of the flushing branch pipe (12) is communicated and connected with the outlet end of the blood pump pipe (10).
6. The vascular access of claim 1, further comprising an arterial pressure monitor,
the arterial pressure monitor is mounted on the arterial tube (1) and is used for monitoring the arterial pressure in the arterial tube (1); and/or
The blood line further includes a venous pressure monitor,
the venous pressure monitor is mounted on the first venous pot (7) for monitoring venous pressure within the first venous pot (7).
7. The blood line pipe according to any one of claims 1-6, wherein the venous pipe (5) is provided with a venous end sampling port (13) for collecting venous blood; and/or
An artery end sampling port (14) for collecting artery blood is arranged on the artery tube (1).
8. The vascular tube of claim 1, further comprising a port protective cap and a connector protective cap;
the port protective cap is respectively covered at the outlet end of the venous tube (5) and the inlet end of the arterial tube (1);
the joint protection cap is arranged at the end part of the side branch pipe (701).
9. A heparin-free dialysis device comprising a dialyzer (6), characterized in that it further comprises a blood line according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920927964.9U CN211584543U (en) | 2019-06-19 | 2019-06-19 | Blood way pipe and no heparin dialysis set |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920927964.9U CN211584543U (en) | 2019-06-19 | 2019-06-19 | Blood way pipe and no heparin dialysis set |
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| CN211584543U true CN211584543U (en) | 2020-09-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113082337A (en) * | 2021-02-23 | 2021-07-09 | 广东乾晖生物科技有限公司 | Biological artificial liver support system based on placenta mesenchymal stem cell bioreactor |
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2019
- 2019-06-19 CN CN201920927964.9U patent/CN211584543U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113082337A (en) * | 2021-02-23 | 2021-07-09 | 广东乾晖生物科技有限公司 | Biological artificial liver support system based on placenta mesenchymal stem cell bioreactor |
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