CN213374235U - Trade blood with arranging blood device - Google Patents
Trade blood with arranging blood device Download PDFInfo
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- CN213374235U CN213374235U CN202022028650.0U CN202022028650U CN213374235U CN 213374235 U CN213374235 U CN 213374235U CN 202022028650 U CN202022028650 U CN 202022028650U CN 213374235 U CN213374235 U CN 213374235U
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- transfer line
- waste liquid
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Abstract
The utility model discloses a trade blood with arranging blood device, including the waste liquid bag, first transfer line, first three way switch, second three way switch, the pressure-measuring pipe, pressure-measuring transducer and heparin salt solution flushing pipe, the one end and the waste liquid bag of first transfer line are connected, the other end and the first end of first three way switch of first transfer line are connected, first transfer line is provided with first transfusion kettle, the outside of first transfer line is provided with the fluid-discharge pump, the second end of first three way switch is used for being connected with second three way switch's first end, heparin salt solution flushing pipe is used for being connected with first three way switch's third end, second three way switch's second end is used for staying union coupling with the artery, second three way switch's third end is connected with the heparin cap, the one end and the pressure-measuring transducer of pressure-measuring pipe are connected, the pressure-measuring transducer is provided with signal cable. The utility model can send out early warning in the early stage of the blockage of the passage, and is convenient for medical staff to quickly process; and simultaneously provides a good blood sample collecting channel.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a trade blood with arranging blood device.
Background
Hyperbilirubinemia is a common clinical condition in the neonatal period, and hyperbilirubinemia encephalopathy of the neonate is the most serious complication of the hyperbilirubinemia encephalopathy, and can cause cerebral palsy, dysaudia, mental retardation and even death of the infant. The full-automatic synchronous blood exchange operation can quickly remove free bilirubin, sensitized erythrocytes, bacteria, inflammatory mediators and the like in blood, is a quick and effective method for treating severe hyperbilirubinemia, and simultaneously can more accord with the circulation physiology due to the fact that the change of the circulating blood volume and the blood vessel pressure can be reduced.
The important key point is that the blood drainage channel is kept smooth in the full-automatic blood exchange operation, and the difficulty is also a big difficulty. The bleeding pathway is susceptible to blockage, including arterial catheterization blockage and device blockage. When the clinical blockage is detected, the blockage is difficult to rescue, the tube needs to be replaced or the device needs to be replaced, the probability of infection is increased, and the blood replacement time is prolonged. Existing designs [ application (patent) No.: CN201920097994.1 and CN201620443345.9 prevent the blockage of the blood discharge pipeline device by continuously dropping heparin saline with different concentrations into the blood discharge pipeline, thereby achieving certain prevention effect, but lack early warning and prompting function for the occurrence of blockage.
In addition, the blood sampling specimen inspection is required for multiple times in the full-automatic blood changing process to evaluate the state of the internal environment of the patient. The current blood discharging device lacks an independent blood sampling passage, needs to puncture and sample blood at another selected part, and repeated puncture not only increases the pain of patients, but also causes the irritation of patients and is not favorable for the smooth operation of blood changing.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a blood discharging device for changing blood, which can send out early warning in the early stage of the blockage of a passage and is convenient for medical staff to quickly make treatment; and simultaneously provides a good blood sample collecting channel.
The purpose of the utility model is realized by adopting the following technical scheme:
a blood discharging device for blood exchange comprises a waste liquid bag, a first infusion tube, a first three-way switch, a second three-way switch, a pressure measuring tube, a pressure measuring transducer and a heparin saline flushing tube, one end of the first infusion tube is connected with the waste liquid bag, the other end of the first infusion tube is connected with the first end of the first three-way switch, the first transfusion tube is provided with a first transfusion kettle, the outer side of the first transfusion tube is provided with a liquid discharge pump, the second end of the first three-way switch is used for being connected with the first end of the second three-way switch, the heparin saline flushing pipe is used for being connected with the third end of the first three-way switch, the second end of the second three-way switch is used for being connected with the artery indwelling catheter, the third end of the second three-way switch is connected with a heparin cap, one end of the pressure measuring pipe is connected with the pressure measuring transducer, and the pressure measuring transducer is provided with a signal cable used for being connected with a pressure monitor.
Further, a discharge port for discharging waste liquid is arranged on the waste liquid bag, and a valve is arranged on the discharge port.
Furthermore, the waste liquid bag is also provided with scale marks for checking the amount of the waste liquid, and the waste liquid bag is also provided with a suspension belt.
Further, the waste liquid bag, the first infusion tube and the first infusion pot are connected in an integrated manner.
Further, the liquid discharge pump is positioned between the first liquid transfusion kettle and the waste liquid bag.
Further, the first infusion tube is further provided with a liquid stopping clamp, and the liquid stopping clamp is located between the liquid discharge pump and the waste liquid bag.
Further, the drainage pump is an infusion pump or a blood delivery pump.
Furthermore, the third end of the first three-way switch is connected with the other end of the pressure measuring tube, and the heparin saline flushing tube is connected to the pressure measuring transducer.
Furthermore, the first infusion kettle is provided with a pressure measuring port, and the other end of the pressure measuring pipe is connected with the pressure measuring port.
Further, trade blood with arranging blood device still includes second transfer line and third transfer line, the both ends of second transfer line respectively with the second end of first three-way switch with the first end of second three-way switch is connected, the one end of third transfer line is connected the side of second transfer line, the other end of third transfer line is connected with the bottle plug pjncture needle, the third transfer line is provided with second transfusion kettle and flow regulator, flow regulator is located the second transfer line with between the second transfusion kettle.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the blood discharging device for changing blood provided by the utility model can send out early warning in the early stage of the blockage of the passage and is convenient for medical staff to quickly process; and simultaneously provides a good blood sample collecting channel.
Drawings
Fig. 1 is a schematic structural view of a blood drainage device for replacing blood according to a first embodiment of the present invention;
fig. 2 is a schematic structural view of a blood drainage device for replacing blood according to a second embodiment of the present invention;
fig. 3 is a schematic structural view of a blood drainage device for replacing blood according to a third embodiment of the present invention.
In the figure: 1. a waste liquid bag; 11. a discharge port; 12. a suspension band; 2. a first infusion tube; 21. a first infusion pot; 211. a pressure measuring port; 22. a liquid discharge pump; 23. liquid stopping clips; 3. a first three-way switch; 4. a second infusion tube; 5. a second three-way switch; 51. a heparin cap; 6. a piezometric tube; 7. a third infusion tube; 71. a bottle stopper puncture needle; 72. a second infusion pot; 73. a flow regulator; 8. a pressure transducer; 81. a signal cable; 9. An arterial indwelling tube; 10. the tube was flushed with heparin saline.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
The first embodiment is as follows:
refer to fig. 1. The embodiment one of the utility model provides a trade blood with arranging blood device is provided, including waste liquid bag 1, first transfer line 2, first three way switch 3, second transfer line 4, second three way switch 5, pressure-measuring tube 6, third transfer line 7, pressure-measuring transducer 8 and heparin salt solution flushing pipe 10, the one end of first transfer line 2 is connected with waste liquid bag 1, the other end of first transfer line 2 is connected with the first end of first three way switch 3, first transfer line 2 is provided with first transfusion kettle 21, the outside of first transfer line 2 is provided with fluid-discharge pump 22, the second end of first three way switch 3 is connected with one end of second transfer line 4, one end of pressure-measuring tube 6 is connected with pressure-measuring transducer 8, the other end of pressure-measuring tube 6 is connected with the third end of first three way switch 3, heparin salt solution flushing pipe 10 is connected on pressure-measuring transducer 8, pressure-measuring transducer 8 is provided with signal cable 81, the other end of the second infusion tube 4 is connected with the first end of the second three-way switch 5, one end of the third infusion tube 7 is connected to the side face of the second infusion tube 4, the other end of the third infusion tube 7 is connected with a bottle stopper puncture needle 71, the third infusion tube 7 is provided with a second infusion pot 72 and a flow regulator 73, the second end of the second three-way switch 5 is used for being connected with the artery indwelling tube 9, and the third end of the second three-way switch 5 is connected with a heparin cap 51.
Wherein, the first infusion pot 21 and the second infusion pot 72 are both used for observing the transmission speed of liquid (blood or saline), and the signal cable 81 is used for connecting a pressure monitor; the drain pump 22 is used for controlling the liquid transfer speed and for transferring the liquid to the waste liquid bag 1; in particular, the positive displacement pump 22 may be an infusion pump or a blood delivery pump; the first infusion pot 21 is provided with a pressure measuring port 211, and the pressure measuring port 211 is provided with a protective cap.
Preferably, the waste liquid bag 1 is provided with a discharge port 11 for discharging waste liquid, and the discharge port 11 is provided with a valve; the waste liquid bag 1 is also provided with scale marks for checking the waste liquid amount; the waste liquid bag 1 is also provided with a suspension band 12.
Preferably, the waste liquid bag 1, the first infusion tube 2 and the first infusion pot 21 are connected integrally; the second infusion tube 4, the third infusion tube 7, the second infusion pot 72 and the bottle stopper puncture needle 71 are connected in an integrated manner.
Preferably, the drain pump 22 is located between the first infusion pot 21 and the waste fluid bag 1; the first infusion tube 2 is also provided with a liquid stopping clamp 23, and the liquid stopping clamp 23 is positioned between the liquid discharge pump 22 and the waste liquid bag 1.
Preferably, the flow regulator 73 is located between the second infusion tube 4 and the second infusion pot 72.
Preferably, the first infusion tube 2, the second infusion tube 4, the third infusion tube 7, the first infusion pot 21, the second infusion pot 72, the pressure measuring tube 6 and the heparin saline flush tube 10 are made of PVC material or TPE material.
The embodiment of the utility model provides a trade blood with arranging blood device, its application method and basic operation are as follows:
(1) firstly, preparing before blood exchange, including preparing blood matching and other consumables, placing a patient on a preheated radiation rescue table, properly calming, establishing a venous blood transfusion passage and a venous fluid transfusion passage, and selecting a proper arterial indwelling tube 9.
(2) The device is connected: the valve at the discharge port 11 is closed, the first end of the first three-way switch 3 is connected with the first infusion tube 2, the second end of the first three-way switch 3 is connected with the second infusion tube 4, the third end of the first three-way switch 3 is connected with the pressure measuring tube 6, the pressure measuring tube 6 is connected with the pressure measuring transducer 8, the heparin saline flushing tube 10 is connected with a 50ml syringe filled with heparin saline, the syringe is arranged on an injection pump, parameters are adjusted, the signal cable 81 is connected with a pressure monitor, the bottle stopper 71 of the third infusion tube 7 is connected with 100ml of bagged physiological saline, the first end of the second three-way switch 5 is connected with the second infusion tube 4, the second end of the second three-way switch is temporarily not connected with the arterial indwelling tube 9, and the third end of the second three-way switch 5 is connected with the heparin cap 51.
(3) Tube venting and heparinization: hanging 100ml of bagged physiological saline at a proper height, connecting a bottle stopper puncture needle 71 on the third infusion tube 7 with the 100ml of bagged physiological saline, exhausting air in the third infusion tube 7, and then adjusting a flow regulator 73 to clamp the third infusion tube 7; closing the second end of the second three-way switch 5, closing the second end of the first three-way switch 3, fast forwarding the injection pump to enable the heparin saline to sequentially flow through the heparin saline flushing pipe 10, the pressure measuring pipe 6, the first three-way switch 3, the first infusion pipe 2 and the waste liquid bag 1 to exhaust air therein, then closing the first end of the first three-way switch 3, opening the first end, the second end and the third end of the second three-way switch 5, fast forwarding the injection pump to enable the heparin saline to flow through the heparin saline flushing pipe 10, the pressure measuring pipe 6, the first three-way switch 3, the second infusion pipe 4 and the second three-way switch 5 to exhaust air therein to realize heparinization of the whole pipeline, then connecting the second end of the second three-way switch 5 with the arterial indwelling pipe 9, and closing the second end of the second three-way switch 5.
(4) Starting synchronous blood exchange: and (3) opening the blood transfusion end, simultaneously opening the second end of the second three-way switch 5, keeping the artery indwelling tube 9 communicated with the second infusion tube 4, closing the third end of the second three-way switch 5, opening the first end, the second end and the third end of the first three-way switch 3, and opening the liquid discharge pump 22 and the injection pump with adjusted parameters.
(5) Monitoring the pressure in real time: the pressure monitor displays the pressure change in the blood discharging device in real time, the pressure change in 10 minutes is taken as a baseline, the upper and lower 30% -50% of the pressure change is taken as alarm upper and lower limits, the blood discharging speed of the blood discharging device is observed by taking the blood discharging dripping speed in the first transfusion pot 21 when the blood is stably discharged in 10 minutes as a baseline, and whether the phenomena of increased bubbles, shriveling, light blood color and the like of the tube wall of the first transfusion tube 2 and the second transfusion tube 4 occur or not is observed in real time.
(6) And (3) finding a blocking treatment:
(6.1) when the pressure of the pressure monitor is found to be high and the dripping speed in the first transfusion kettle 21 is found to be low, the elimination pipeline is broken, and the blockage in the blood discharge device is considered, the treatment is as follows: suspending a blood transfusion end and an injection pump, closing a first end of a first three-way switch 3, adjusting a flow regulator 73, using normal saline to help the blood in a second infusion tube 4 and a second three-way switch 5 to flow back into a patient, closing a second end of the second three-way switch 5 after the blood flows back, opening a first end, a second end and a third end of the first three-way switch 3, checking and treating the blockage of a blood discharge device, for example, flushing and dredging each end of the first three-way switch 3 by normal saline or heparin saline, and the like, and restarting synchronous blood replacement after the treatment is finished.
(6.2) when discovering that pressure monitor pressure step-down, the drop speed becomes slow in the first infusion pot 21, whether the phenomenon such as the pipe wall bubble increase appears in real time observation first transfer line 2, second transfer line 4, becomes flat, the blood colour becomes light, gets rid of the pipeline and rolls over the scheduling problem, considers that the artery stays and appears the blood coagulation jam in the pipe 9, handles and is: suspending the blood transfusion end, adjusting the flow regulator 73 to open the third infusion tube 7, closing the first end of the second three-way switch 5, connecting a hypodermic needle with a 10ml syringe filled with normal saline, exhausting air, connecting with the heparin cap 51 of the second three-way switch 5, pumping back properly, cleaning up the blood clot in the arterial indwelling tube 9, and restarting synchronous blood exchange after the treatment.
(7) Collecting a blood specimen: suspending the blood transfusion end, adjusting the flow regulator 73 to open the third transfusion tube 7, closing the first end of the second three-way switch 5, connecting a scalp needle with a syringe to connect with the heparin cap 51 of the second three-way switch 5, collecting the required blood sample, opening the first end of the second three-way switch 5 after the collection is finished, adjusting the flow regulator 73 to close the third transfusion tube 7, opening the blood transfusion end, and synchronously changing blood again.
Example two:
refer to fig. 1 and 2. The embodiment of the present invention differs from the embodiment one in that: the second infusion tube 4 and the third infusion tube 7 are omitted, and the second end of the first three-way switch 3 is directly connected with the first end of the second three-way switch 5.
The embodiment of the utility model provides a trade blood with arranging blood device, its application method and basic operation are as follows:
(1) preparation work before blood exchange: basically the same as the first embodiment;
(2) the device is connected: the second end of the first three-way switch 3 is directly connected with the first end of the second three-way switch 5 for use, and the connection of other parts is the same as that of the first embodiment;
(3) tube venting and heparinization: closing the second end of the first three-way switch 3, fast forwarding the injection pump, enabling the heparin saline to sequentially flow through the heparin saline flushing pipe 10, the pressure measuring pipe 6, the first three-way switch 3, the first infusion pipe 2 and the waste liquid bag 1, exhausting air in the heparin saline, then closing the first end of the first three-way switch 3, opening the first end, the second end and the third end of the second three-way switch 5, fast forwarding the injection pump, enabling the heparin saline to flow through the heparin saline flushing pipe 10, the pressure measuring pipe 6, the first three-way switch 3 and the second three-way switch 5, exhausting air in the heparin saline, realizing heparinization retention of the whole pipeline, then connecting the second end of the second three-way switch 5 with the arterial tube 9, and closing the second end of the second three-way switch 5.
(4) Starting synchronous blood exchange: the same as in the first embodiment.
(5) Monitoring the pressure in real time: the same as in the first embodiment.
(6) And (3) blocking treatment:
(6.1) when the pressure monitor indicates that the pressure is high and the dripping speed in the first transfusion kettle 21 is low, the problems of pipeline breakage or error of a three-way switch knob and the like are solved, and the blockage in the blood discharging device is considered. Meanwhile, the blood transfusion end, the liquid discharge pump 22 and the heparin saline injection pump are suspended, the first end of the first three-way switch 3 is closed, the heparin saline injection pump is started, the heparin saline is used for helping the blood in the first three-way switch 3 and the second three-way switch 5 to flow back into the patient, the phenomenon that blood in the arterial indwelling tube 9 is also coagulated and blocked is avoided, the second end of the second three-way switch 5 is closed after the blood flows back, the second end of the first three-way switch 3 is closed, the first end and the third end of the first three-way switch 3 are opened, the blockage of a blood discharge device is checked and processed, for example, all ends of the first three-way switch 3 are dredged through normal saline or heparin saline, and synchronous blood changing is.
(6.2) when finding that pressure monitor suggestion pressure step-down, the dripping speed becomes slow in the first infusion pot 21, whether the first transfer line 2 of real-time observation appears the pipe wall bubble and increases, becomes flat, the phenomenon such as blood colour fade, gets rid of pipeline and rolls over or three-way switch knob mistake scheduling problem, considers that the artery stays and appears the blood coagulation jam in the pipe 9, handles and is: meanwhile, the blood transfusion end, the liquid discharge pump 22 and the heparin saline injection pump are suspended, the first end of the second three-way switch 5 is closed, a hypodermic needle is connected with a 10ml syringe filled with physiological saline, the needle is connected with a heparin cap 51 of the second three-way switch 5 after the gas is discharged, the needle is appropriately pumped back, the blood clots in the arterial indwelling tube 9 are cleaned, and the synchronous blood exchange is started again after the treatment is finished.
(7) And (3) collecting the blood sample, namely suspending the blood transfusion end, the liquid discharge pump 22 and the heparin saline injection pump at the same time, closing the first end of the second three-way switch 5 to ensure that the second end of the second three-way switch 5 is communicated with the third end, connecting a scalp needle with an injector to be connected with a heparin cap 51 of the second three-way switch 5, collecting the required blood sample, closing the third end of the second three-way switch 5 after the collection is finished, communicating the first end and the second end of the second three-way switch 5, opening the blood transfusion end, the liquid discharge pump 22 and the heparin saline injection pump, and synchronously changing the blood again.
Example three:
refer to fig. 1 and 3. The embodiment of the present invention differs from the embodiment one in that: the first transfusion kettle is provided 21 with a pressure measuring port 211, the other end of the pressure measuring pipe 6 is connected with the pressure measuring port 211, and the heparin saline flushing pipe 10 is directly connected with the third end of the first three-way switch 3; obviously, the pressure transducer in the first embodiment is a hydraulic transducer, and the pressure transducer in the third embodiment is a pneumatic transducer.
The embodiment of the utility model provides a trade blood with arranging blood device, its application method and basic operation are as follows:
(1) preparation work before blood exchange: basically the same as the first embodiment;
(2) the device is connected: the heparin saline flushing pipe 10 is connected with the third end of the first three-way switch 3, the pressure measuring transducer 8 is used for monitoring the pressure change of the blood discharge pipeline, the pressure measuring transducer 8 is connected with the pressure measuring port 211 of the first transfusion kettle 21 through the pressure measuring pipe 6, and the rest connection is basically the same as the first embodiment.
(3) Tube venting and heparinization: basically the same as the first embodiment.
(4) Starting synchronous blood exchange: basically the same as the first embodiment.
(5) Monitoring the pressure in real time: basically the same as the first embodiment.
(6) And (3) blocking treatment: basically the same as the first embodiment.
(7) Collecting a blood specimen: basically the same as the first embodiment.
In summary, the blood drainage device for blood exchange provided by the utility model can send out early warning in the early stage of the blockage of the passage, and is convenient for medical staff to quickly make treatment; and simultaneously provides a good blood sample collecting channel.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (10)
1. A kind of blood exchange uses the blood discharging device, characterized by that: comprises a waste liquid bag, a first infusion tube, a first three-way switch, a second three-way switch, a pressure measuring tube, a pressure measuring transducer and a heparin saline flushing tube, one end of the first infusion tube is connected with the waste liquid bag, the other end of the first infusion tube is connected with the first end of the first three-way switch, the first transfusion tube is provided with a first transfusion kettle, the outer side of the first transfusion tube is provided with a liquid discharge pump, the second end of the first three-way switch is used for being connected with the first end of the second three-way switch, the heparin saline flushing pipe is used for being connected with the third end of the first three-way switch, the second end of the second three-way switch is used for being connected with the artery indwelling catheter, the third end of the second three-way switch is connected with a heparin cap, one end of the pressure measuring pipe is connected with the pressure measuring transducer, and the pressure measuring transducer is provided with a signal cable used for being connected with a pressure monitor.
2. The blood drainage device for changing blood according to claim 1, wherein: the waste liquid bag is provided with a discharge port for discharging waste liquid, and the discharge port is provided with a valve.
3. The blood drainage device for changing blood according to claim 2, wherein: the waste liquid bag is also provided with scale marks for checking the waste liquid amount, and the waste liquid bag is also provided with a suspension belt.
4. The blood drainage device for changing blood according to claim 1, wherein: the waste liquid bag, the first infusion tube and the first infusion kettle are connected in an integrated manner.
5. The blood drainage device for changing blood according to claim 1, wherein: the liquid discharge pump is positioned between the first liquid transfusion kettle and the waste liquid bag.
6. The blood drainage device for changing blood according to claim 5, wherein: the first infusion tube is further provided with a liquid stopping clamp, and the liquid stopping clamp is located between the liquid discharge pump and the waste liquid bag.
7. The blood drainage device for changing blood according to claim 1, wherein: the liquid discharge pump is an infusion pump or a blood transfer pump.
8. The blood drainage device for changing blood according to claim 1, wherein: and the third end of the first three-way switch is connected with the other end of the pressure measuring pipe, and the heparin saline flushing pipe is connected to the pressure measuring transducer.
9. The blood drainage device for changing blood according to claim 1, wherein: the first infusion kettle is provided with a pressure measuring port, and the other end of the pressure measuring pipe is connected with the pressure measuring port.
10. The bleeding discharging device for exchange according to any one of claims 1 to 9, wherein: the blood replacement is with arranging blood device still includes second transfer line and third transfer line, the both ends of second transfer line respectively with the second end of first three-way switch with the first end of second three-way switch is connected, the one end of third transfer line is connected the side of second transfer line, the other end of third transfer line is connected with the bottle plug pjncture needle, the third transfer line is provided with second transfusion kettle and flow regulator, flow regulator is located the second transfer line with between the second transfusion kettle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022028650.0U CN213374235U (en) | 2020-09-16 | 2020-09-16 | Trade blood with arranging blood device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022028650.0U CN213374235U (en) | 2020-09-16 | 2020-09-16 | Trade blood with arranging blood device |
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| CN213374235U true CN213374235U (en) | 2021-06-08 |
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| CN202022028650.0U Active CN213374235U (en) | 2020-09-16 | 2020-09-16 | Trade blood with arranging blood device |
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- 2020-09-16 CN CN202022028650.0U patent/CN213374235U/en active Active
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