CN206239799U - Recovery type autotransfusion system in cesarean section - Google Patents
Recovery type autotransfusion system in cesarean section Download PDFInfo
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- CN206239799U CN206239799U CN201620833389.2U CN201620833389U CN206239799U CN 206239799 U CN206239799 U CN 206239799U CN 201620833389 U CN201620833389 U CN 201620833389U CN 206239799 U CN206239799 U CN 206239799U
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- blood
- centrifuge cup
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- cleaning solution
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Abstract
The utility model discloses recovery type autotransfusion system in a kind of cesarean section, including anti-coagulants reservoir bag, storage blood tank and suction tube, one end of the suction tube is connected with the anti-coagulants reservoir bag and storage blood tank respectively, it is characterised in that：Also include Centrifuge Cup, the cleaning solution reservoir bag for storing cleaning solution and blood storage bag, the storage blood tank is connected to the blood entry port of the Centrifuge Cup, the cleaning solution reservoir bag is connected to the cleaning solution entrance of the Centrifuge Cup, the position adjacent with the Centrifuge Cup is provided with the red blood cell detector for detecting red blood cell in the Centrifuge Cup, and the blood storage bag is connected to the blood outlet of the Centrifuge Cup.By setting centrifugation and wash mill, thus most of amniotic fluid and other pollutant components are removed, the red blood cell that supplement puerpera loses in time, it is particularly suitable for the mortality and unpredictability of obstetric hemorrhage, by autologous feedback blood, can significantly reduce in obstetrics, especially Cesarean operation, massive haemorrhage patient is transfused the amount of foreign body blood.
Description
Technical field
The utility model is related to a kind of Medical Instruments, especially recovery type autotransfusion system in a kind of cesarean section.
Background technology
Amount of bleeding is more than more than amount of bleeding after 500ml or cesarean section delivery after postpartum haemorrhage is defined as vaginal delivery
1000ml.Third trimester of pregnancy UBF reaches 700ml/min, once there is mortality massive haemorrhage, moment up to thousands of milliliters, because
This seriously threatens the life of pregnant and lying-in women.Postpartum haemorrhage is still at present to cause China and most developing country pregnant and lying-in women dead
The first cause died, China still has up to 25.6% maternal death because postpartum haemorrhage.
Maternal death caused by most postpartum haemorrhage be can avoid or create conditions it is evitable, wherein transfusing blood
It is clinical treatment and the irreplaceable treatment means of rescue patient.Although postpartum haemorrhage high risk factor can be known in a way
Not, but amount of bleeding tend not to it is accurate estimated.It is huge for amount of bleeding and start blood transfusion needs a period of time to clinical blood transfusion
, once blood product is not supplied, it is possible to cause serious adverse consequences.The mortality and Unpredictability of obstetric hemorrhage, it is different
The property in short supply and retardance of body blood product, these all substantially timely and effective treatments of restriction severe postpartum hemorrhage.
Autotransfusion technology is an important blood conservation measure, mainly includes that storage type autotransfusion, acute etc. are held
Hemodilution and recovery type autotransfusion.1) storage type autotransfusion needs a period of time collection patient self-blood in the preoperative to protect
Deposit standby, but the risk of this mode mistake blood transfusion can not be excluded, obstetric hemorrhage amount can not accurately, it is expected that waste rate is high；And
And delivery time is uncertain, what is more important obstetric operation is generally emergency treatment, therefore the clinical practice of the technology is restricted, at present
Only carry out in rare blood type puerpera, but it is not extensive；2) ANH is the collection before operation key step starts
Patient's self-blood is saved backup, while colloidal solution or crystalloid fluid replenishment of blood content are input into, but this mode is special due to puerpera
Different blood volume changes, and the change of volume load may cause puerpera's heart failure and placenta oxygen supply not enough, therefore be not suitable in obstetrics
Carry out；3) recovery type autotransfusion refers to utilize blood recovery device, collects corrective surgery and loses blood, and carries out anti-freezing, filters and wash
Wash, then feed back to sufferers themselves, compared with foreign body blood, recovery type autotransfusion has quick timely, fresh oxygen carrying and without friendship
The features such as fork infection risk, it is used widely in fields such as orthopaedics, cardiothoracic surgeries, can not only avoids or reduce foreign body blood
Infusion, is also as one of emergency treatment of massive haemorrhage.But in Cesarean operation, due to still suffering from amniotic fluid and fetus composition
The misgivings of pollution, thus its application do not popularize.
Utility model content
Technical problem to be solved in the utility model is directed to the problem that above-mentioned prior art is present, there is provided a kind of quick
In time, recovery type autotransfusion system in the cesarean section of pollution is reduced.
The utility model solve the technical scheme that is used of above-mentioned technical problem for：Recovery type is autologous in a kind of cesarean section
Blood transfusion system, including anti-coagulants reservoir bag, storage blood tank and suction tube, one end of the suction tube stores with the anti-coagulants respectively
Bag and the tank connection of storage blood, it is characterised in that：Also include Centrifuge Cup, the cleaning solution reservoir bag for storing cleaning solution and storage blood
Bag, the storage blood tank is connected to the blood entry port of the Centrifuge Cup, and the cleaning solution reservoir bag is connected to washing for the Centrifuge Cup
Liquid entrance is washed, the blood storage bag is connected to the blood outlet of the Centrifuge Cup, and the position adjacent with the Centrifuge Cup is provided with use
In the red blood cell detector for detecting red blood cell in the Centrifuge Cup, the outlet of the blood storage bag is also associated with leucocyte filter.
Further, it is the cleaning solution after collection washing, it is to avoid pollution, and in time to the washing situation in Centrifuge Cup
Judge, the autotransfusion system also includes waste fluid bag, the waste fluid bag is connected to the cleaning solution outlet of the Centrifuge Cup.
Further, for accurate statistics amount of bleeding, blood clotting is prevented, the suction tube is two-chamber suction tube.
Further, collect and lose blood for ease of forming negative pressure, be provided with for being connected to negative pressure dress on the storage blood tank
The negative tube put.
Compared with prior art, the utility model has the advantage of：By setting centrifugation and wash mill, anti-coagulants, wash
The appropriate addition of liquid and the use of filter are washed, anti-freezing is doubled, is doubled washing, filtrating leukocytes, be suitable to the solidifying shape of height of puerpera
The blood of state, thus removes most of amniotic fluid and other pollutant components, the red blood cell that supplement puerpera loses in time；By setting
Red blood cell detector is put, the centrifugation situation of blood in Centrifuge Cup can be in real time understood, so as to the operation for being centrifuged and being washed；It is special
Not Shi He obstetric hemorrhage mortality and unpredictability, by autologous feedback blood, obstetrics, especially Cesarean esction can be significantly reduced
In operation, massive haemorrhage patient is transfused the amount of foreign body blood, reduces because of various adverse reactions caused by infusion foreign body blood, improves obstetrics big
The treatment success rate of bleeding, reduces the death rate of perinatal period pregnant and lying-in women.
Brief description of the drawings
Fig. 1 is the block diagram of autotransfusion system of the present utility model.
Specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing embodiment.
Referring to Fig. 1, recovery type autotransfusion system in a kind of cesarean section, including anti-coagulants reservoir bag 1, storage blood tank 2, from
Heart cup 3, cleaning solution reservoir bag 4, blood storage bag 5, waste fluid bag 6 and leucocyte filter 7.
For storing anti-coagulants in anti-coagulants reservoir bag 1, anti-coagulants is generally heparin-saline and (contains heparin 60U/ml's
0.9% sodium chloride solution), then it is used to store the autologous blood from the middle attraction of losing blood of puerpera 9 in storage blood tank 2.In the present embodiment,
Autologous blood negative pressure (is provided with, for being connected to negative pressure device, so as to be evacuated by negative tube 21 on storage blood tank 2 using suction tube 8
Form negative pressure) it is attracted in storage blood tank 2, one end of suction tube 8 is connected with anti-coagulants reservoir bag 1 and storage blood tank 2 respectively, the other end
Then it is used to collect autologous blood.
Before suction tube 8 collects autologous blood, first it is charged in advance in suction tube 8 and storage blood tank 2 with anti-coagulants about 200ml, is prevented
There is blood coagulation on filter screen, and for red blood cell provides initial physiological environment, operation starts after amniotic fluid is drained only by suction tube 8
Visual area blood is attracted to storage blood tank, attracts as far as possible under blood face, it is to avoid air is sucked, and amniotic fluid containing blood, is impregnated with the gauze of blood
Blood tank 2 is stored up in suction in the lump after being cleaned in physiological saline.For accurate statistics amount of bleeding, while blood clotting is prevented, can
To implement two-tube attraction.Attracting operation need to operate in an aseptic environment, and vacuum cavitations are in 100-150mmHg.The fast root of anti-coagulants drop
Adjusted according to bleeding rate, it is ensured that abundant anti-freezing；Anti-freezing is not enough, and easily forming the microthrombus blocking tube chamber of Centrifuge Cup 3 causes quick-fried cup.
During in autologous blood sound-absorbing to storage blood tank 2, to prevent tissue debris from sucking storage blood tank 2 and block pipeline or filter, it is to avoid
Non- isotonic solution, thimerosal, cause hematoclasis and blood coagulation containing the suction storage such as calcium solution, Monsells solution blood tank 2.
Centrifuge Cup 3 can use prior art, including blood entry port 31, cleaning solution entrance 32, blood to export 33 and cleaning solution
Outlet 34, the position adjacent with Centrifuge Cup 3 is provided with red blood cell detector 10, for detecting the red blood cell layer after centrifugation.According to
The recovery blood volume in blood tank 2 is stored up to select the continuous centrifugal cup of corresponding specification.Storage blood tank 2 is connected to the blood of Centrifuge Cup 3
Entrance 31, autologous blood is injected in Centrifuge Cup 3 by storage blood tank 2, and centrifugation goes out serum, leucocyte and red blood cell.Cleaning solution is stored
Storage cleaning solution in bag 4, commonly uses the sodium chloride solution of 1000ml specifications 0.9%, and the washing of Centrifuge Cup 3 is connected to by flush pipe 41
Liquid entrance 32, the inner bottom part of Centrifuge Cup 3 is injected into by cleaning solution, under the influence of centrifugal force, is inwardly flowed from the outside of red blood cell layer
It is dynamic to pass outwards through again, amniotic fluid composition, harmful substance and free hemoglobin of the overwhelming majority etc. are removed, so as to reach the mesh of washing
's.Centrifuge Cup 3 is also connected with blood storage bag 5 and waste fluid bag 6, and blood storage bag 5 is connected to the blood outlet 33 of Centrifuge Cup 3, and waste fluid bag 6
The cleaning solution outlet 34 of Centrifuge Cup 3 is then connected to, waste fluid bag 6 is discharged to after the up deceleration of cleaning solution after washing, additionally, anti-freezing
Agent, haemocyte fragment etc. are also discharged to waste fluid bag 6.When the efflux that the cleaning solution of Centrifuge Cup 3 exports 34 becomes clarification, then it represents that wash
Wash fully, washing can be terminated, increasing washing amount can improve harmful substance and have free hemoglobin clearance, but simultaneously also right
Red blood cell causes damage, therefore washing amount is usually arranged as 8~10 times of the capacity of Centrifuge Cup 3.Passed through on the basis of centrifugal concentrating
Washing is crossed, autologous Red Blood Cells Suspension are finally obtained.
Red Blood Cells Suspension after Centrifuge Cup 3 is centrifuged are pumped into blood storage bag 5, and pump speed is preferably 300~500ml/min.
Autologous Red Blood Cells Suspension are preserved in the blood storage bag 5 and are no more than 6 hours at room temperature, and 4 ± 2 DEG C stored refrigerated to be no more than 24 hours.Storage
The outlet of blood bag 5 is also associated with above-mentioned leucocyte filter 7, and the blood in it should complete infusion or puerpera 9 defeated in operating room
Ward is gone back to during note, it is by mistake defeated to prevent, and the blood for feeding back should be first passed through after leucocyte filter 7 is filtered and fed back again, it is white thin
Connected by woven hose 71 between born of the same parents' filter 7 and puerpera 9, feeding back blood (may contain microthrombus, air) must be by standard
Blood transfusion filter only by gravity feed back, forbid pressurizing transfusion device.
Between above-mentioned storage blood tank 2 and Centrifuge Cup 3, between Centrifuge Cup 3 and blood storage bag 5, between Centrifuge Cup 3 and waste fluid bag 6,
Between blood storage bag 5 and leucocyte filter 7.
The blood processing of recovery blood in cesarean section is realized using said system, is comprised the following steps：
1) storage blood tank is installed：One end of suction tube 8 is sent to aseptic area under sterile working, the other end is stored up with anti-coagulants
Deposit bag 1 and storage blood tank 2 is connected；
2) preliminary filling anti-coagulants：By the first preliminary filling suction tube 8 of anti-coagulants and storage blood tank 2 in anti-coagulants reservoir bag 1, anti-coagulants one
As for heparin-saline (containing heparin 60U/ml 0.9% sodium chloride solution), anti-hemostasis-coagulation, and for red blood cell provides initially give birth to
Reason environment；In this step, prevent tissue debris from sucking storage blood tank 2 and cause obstruction, it is to avoid non-isotonic solution, thimerosal, calcic
The suction storage blood such as solution, Monsells solution tank 2 causes hematoclasis and blood coagulation；Losing blood for puerpera is incorporated into by suction tube 8
In storage blood tank 2, the vacuum cavitations of suction tube 8 in 100-150mmHg, the excessive easy damaged red blood cell of negative pressure；If in storage blood tank 2
Blood volume is not up to preset value, then continue to store up blood, and need not install remaining consumptive material (Centrifuge Cup 3), to reduce medical expense, until storage
Blood volume in blood tank 2 reaches preset value, into next step；
3) Centrifuge Cup is installed：After the blood volume in storage blood tank 2 reaches preset value needs washing, according to the blood in storage blood tank 2
Amount installs the Centrifuge Cup 3 of dimension, and it is firm to note being completely embedded；
4) cleaning solution is connected：Centrifuge Cup 3 and cleaning solution reservoir bag 4 are connected, washing is stored in cleaning solution reservoir bag 4
Liquid, such as preferably, 1000ml~3000ml physiological saline；
5) cup is filled：The blood stored up in blood tank 2 is injected into the Centrifuge Cup 3 of rotation, blood gradually starts layering, when with from
After the heart 3 adjacent red blood cell detectors 10 of cup detect the blood layer in Centrifuge Cup 3, then washing step is initially entered；Otherwise continue
Centrifugal concentrating；
6) wash：Cleaning solution in cleaning solution reservoir bag 4 is injected into and starts cleaning in Centrifuge Cup 3, the amount of cleaning solution is led to
Standing be set to the capacity of Centrifuge Cup 3 8~10 times；
7) empty：Cleaning solution after having washed is discharged to waste fluid bag 6, when the cleaning solution of Centrifuge Cup 3 exports 34 efflux
Become clarification, then it represents that washing is abundant, washing can be terminated；After the completion of washing, the suspension autoerythrocyte in Centrifuge Cup 3 is entered into storage
Blood bag 5, until red blood cell emptying terminates, other waste liquids are all drained into waste fluid bag 6 in Centrifuge Cup 3；
8) filter white：Red blood cell in blood storage bag 5 is filtered by leukocyte depletion filter 7, it is white thin that removal may be remained
Born of the same parents.
Because there is amniotic fluid embolism risk in theory in obstetrics' intraoperative autologous blood transfusion, by above-mentioned steps can high-quality remove it is big
The amniotic fluid composition of amount.
This intraoperative autologous blood transfusion system is in addition to effectively Saving on oil, additionally it is possible in time collect patient's intraoperative hemorrhage,
Filtration, washing and feedback, the red blood cell that supplement patient loses in time, so that the safety of puerpera 9 is ensured, while can avoid or subtract
The various risks that input foreign body blood causes less, therefore with critically important clinical meaning.
Claims (4)
1. recovery type autotransfusion system in a kind of cesarean section, including anti-coagulants reservoir bag (1), storage blood tank (2) and suction tube
(8), one end of the suction tube (8) is connected with the anti-coagulants reservoir bag (1) and storage blood tank (2) respectively, it is characterised in that：Also
Cleaning solution reservoir bag (4) and blood storage bag (5) including Centrifuge Cup (3), for storing cleaning solution, storage blood tank (2) connection
To the blood entry port (31) of the Centrifuge Cup (3), the cleaning solution reservoir bag (4) is connected to the cleaning solution of the Centrifuge Cup (3)
Entrance (32), the blood storage bag (5) is connected to blood outlet (33) of the Centrifuge Cup (3), adjacent with the Centrifuge Cup (3)
Position is provided with the red blood cell detector (10) for detecting the Centrifuge Cup (3) interior red blood cell, the outlet of the blood storage bag (5)
It is also associated with leucocyte filter (7).
2. recovery type autotransfusion system in cesarean section as claimed in claim 1, it is characterised in that：The autotransfusion system
System also includes waste fluid bag (6), and the waste fluid bag (6) is connected to cleaning solution outlet (34) of the Centrifuge Cup (3).
3. recovery type autotransfusion system in cesarean section as claimed in claim 1 or 2, it is characterised in that：The suction tube
(8) it is two-chamber suction tube.
4. recovery type autotransfusion system in cesarean section as claimed in claim 1 or 2, it is characterised in that：The storage blood tank
(2) negative tube (21) for being connected to negative pressure device is provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620833389.2U CN206239799U (en) | 2016-08-02 | 2016-08-02 | Recovery type autotransfusion system in cesarean section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620833389.2U CN206239799U (en) | 2016-08-02 | 2016-08-02 | Recovery type autotransfusion system in cesarean section |
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| Publication Number | Publication Date |
|---|---|
| CN206239799U true CN206239799U (en) | 2017-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620833389.2U Expired - Fee Related CN206239799U (en) | 2016-08-02 | 2016-08-02 | Recovery type autotransfusion system in cesarean section |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108245727A (en) * | 2018-03-16 | 2018-07-06 | 柴琳 | Blood refluxing device and feedback method more than heart lung machine |
-
2016
- 2016-08-02 CN CN201620833389.2U patent/CN206239799U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108245727A (en) * | 2018-03-16 | 2018-07-06 | 柴琳 | Blood refluxing device and feedback method more than heart lung machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170613 Termination date: 20180802 |