CN2564166Y - Back-transfusion system for AO type autoblood - Google Patents

Abstract

Disclosed is an AO type equipment of intraoperative autotransfusion of self blood, comprising a sealed recovery channel which is composed of a conduction tube (1), a filter, a liquid container (2) and a blood collecting bag (3). The inner cavity of the liquid container (2) is connected with a negative pressure source. A by-pass channel (11) is arranged beside the liquid container (2); the upper port (12) which is lower than a negative suction port (4) is communicated with the upper part of the liquid container (2) while the lower port (13) is communicated with an outlet (9). A vibrator (5) is fixed on the hanging liquid container (2). The filter is divided into at least two stages according to a thick level and a thin level; a rough filter is arranged at the inlet (7) of the liquid container (2) and a fine filter is arranged at the outlet (9) of the liquid container (2). An air exhaust hole (10) is arranged on the top of the fine filter. A medicine administration branch (14) is arranged ahead of the rough filter. A water-tight bottle (17) is arranged on a negative pressure tube (21). The recovery of the conduction liquid after operation is taken into consideration as the largest characteristic in the utility model; particularly, the technical advancements of the proposal are obviously embodied because the design conceptions including the by-pass channel of the liquid container, the air exhaust hole, the vibrator and the medicine administration branch are adopted in the utility model.

Description

AO type equipment of intraoperative autotransfusion of self blood

Technical field

This utility model relates to a kind of medical apparatus and instruments, is specifically related to a kind of design improvement of equipment of intraoperative autotransfusion of self blood.

Background technology

Intraoperative autologous blood transfusion comprises before the art and storing from body blood, in the art, a series of measures such as postoperative hemorrhage recycling.It is used for the clinical rescue hemorrhage that heavily endangers and is of long duration, the history in existing more than 170 year so far, and it is clinical that be used to intraoperative autologous blood transfusion the earliest is the postpartum hemorrhage patient.In later a period of time medically also repeatedly in the application of different occasion successes intraoperative autologous blood transfusion.But behind last century four, the fifties, because the allosome storehouse blood of typing is laid in a large number, people subtract greatly this interest, to almost passing into disuse.After this constantly spread along with haematogenous such as acquired immune deficiency syndrome (AIDS), hepatitis are pathophorous, and to the New understanding of complication such as the immunoreation due to the allosome blood transfusion back, anaphylaxis, the transformation of essence has taken place again in people's blood transfusion idea gradually, as far as possible few with or become common recognition without allosome storehouse blood.Wherein before art from body blood stores, in the art, the postoperative hemorrhage autotransfusion measure of recycling just more and more is much accounted of in the U.S. and some western countries of Europe, some place has begun extensively to carry out in the non-tumor of heart, orthopaedics, gynecological, abdominal part and Urology Surgery, the infectious disease art, in the recycling of postoperative massive hemorrhage, and be deep into gradually in the malignant tumor patient art, postoperative hemorrhage and cut open the palace and mix in the hemorrhage research of recycling that amniotic fluid is arranged in producing.Generally speaking, intraoperative autologous blood transfusion is an ancient and fresh problem, the use of this technology has reduced the demand to storehouse blood really, alleviate the nervous problem in blood source to a certain extent, improved the treatment success rate, reduced medical expense, also avoided and input magazine blood complications associated with arterial system simultaneously, as haemolysis and anaphylaxis, immunosuppressant, the propagation of hepatitis and HIV etc.

In the art and the recovery blood of postoperative can be divided into the filtration formula by its mode that feeds back pre-treatment and washing type reclaims two kinds of blood.The filtration formula refers to reclaim blood and only just feeds back the patient after filtering, and washing type refers to recovery blood fed back through filtration, cleaning, after centrifugal again gives the patient.Since reclaim in the blood contain anticoagulant, pollutant such as the hemoglobin of wandering about as a refugee, platelet activation and lysate, generally advocate to use washing types to reclaim blood more.External priority is developed the product that Cell Saver intraoperative autologous blood transfusion machine, jar type intraoperative autologous blood transfusion machine, seriality intraoperative autologous blood transfusion machine etc. filter, wash drain blood, in general, the intraoperative autologous blood transfusion machine costs an arm and a leg in this mode, operating process is wasted time and energy, be difficult to popularize, simultaneously postoperative hemorrhage speed slows down, and before machine operation, still need have specific recover to be used for drain liquid is reclaimed and will not start in patient bedside all the time by machine.For the filtration formula reclaim blood think its have easy and simple to handle, expense is low, save time and feed back fast, keep advantages such as leukocyte, platelet, plasma protein, so still have certain market, especially at basic hospital, in wartime, in the bigger operation of amounts of bleeding such as liver and spleen rapture, ectopic pregnancy, heart certain use value is arranged.And have for killing in a large scale from body to wash and do not wash and feed back the back comparative study of body influence is shown between Hb, Fbg each time point patient, PT, PTT group relatively do not have significant difference, can't increase the inflammatory reaction process of patient's postoperative.In recent years, the bibliographical information that reclaims blood direct feedback patient in a large number about used after operation filtration formulas such as heart, the full hips of orthopaedics is abroad arranged, influence patient's coagulation function to a certain extent though prove this mode, can obviously increase postoperative hemorrhage but most reports are not thought, and the effect that minimizing postoperative storehouse blood uses is obvious.

In China, the research that breast, abdominal cavity hemorrhage feed back such as break is carried out early to closure hemothorax, liver, spleen, ectopic pregnancy, measure to minimizing intraoperative hemorrhages such as hemodilution, controlled hypotension in blood storage, the art before the art also has report, and thoracic cavity, mediastinum drain blood that domestic also existing bibliographical information OH postoperative feeds back without washing are effective, safe and economical.But generally speaking because each side, domestic in the art, the degree of depth that some blood conservation measures of postoperative are understood and the degree of carrying out be not enough, a lot of be worth reclaiming feed back or reclaim in the art of further handling the back, postoperative hemorrhage directly abandoned.On to the development and Design of equipment of intraoperative autotransfusion of self blood, successively used several devices such as interim easy device, improvement easy device, plastic blood bag recover, simple and easy lasting equipment of intraoperative autotransfusion of self blood, erythrocyte feedback system, but its pluses and minuses have respectively been arranged.Interim easy device will reclaim blood with the funnel that is covered with 4-8 layer gauze and filter into feedback in another infusion bottle after referring to suck back a sterile infusion bottle with losing blood, and obviously easily cause blood contamination; Improvement easy device utilization fills infusion bottle and the filter screen and the pipeline of anticoagulant,,, uses as blood transfusion conversely behind the full bottle earlier as the recovery bottle usefulness of losing blood with vacuum suction.Need not to change bottle and filtered through gauze like this, but can cause too much bubble, filter screen stops up easily; The plastic blood bag recover needs special apparatus, complicated operation effort; Simple and easy lasting equipment of intraoperative autotransfusion of self blood pipeline is numerous, connects, cleans difficulty, and can cause too much bubble, filter screen to stop up easily; And erythrocyte feeds back the system price costliness, is difficult to promote the use of and lost plasma protein and platelet.Simultaneously, several back-transfusion devices are all had in mind in the Rhizoma Atractylodis Macrocephalae and are used more than.Therefore, we think that being necessary to develop a kind of being convenient to clinically promotes, and reclaim safety, can take into account postoperative and reclaim easy, economic, practical equipment of intraoperative autotransfusion of self blood.

Summary of the invention

For achieving the above object, the technical solution adopted in the utility model is: a kind of AO type equipment of intraoperative autotransfusion of self blood, mainly constitute a closed recovery approach by drainage tube, filter, receipts liquid container and collection blood bag, wherein receive liquid container and be provided with the negative pressure suction inlet, this negative pressure suction inlet is connected with negative pressure source by the road, receive the liquid container side and be provided with a bypass channel in addition, this bypass channel upper port is communicated with receipts liquid container upper space, and be communicated with the position and be lower than the negative pressure suction inlet, lower port is communicated with the outlet of receipts liquid container.

The related content and the change interpretation of technique scheme are as follows:

1, described " negative pressure source " is a kind of general name that means for applying negative and equipment can be provided, such as vacuum extractor, concentrated negative pressure system etc.

2, in the technique scheme,, will receive that liquid container is unsettled to hang, fix an electromagnetic shaker on its outer wall in order to make administration and the abundant mix homogeneously of drain liquid.Described " electromagnetic shaker " be a kind of can vibrative device or device, in general electromagnetic shaker described in this programme is a kind of small-sized or miniature electromagnetic shaker, can directly be fixed in the use to receive on the liquid container shell.Band receipts liquid container aloft vibrates when this electromagnetic shaker produces vibration.

3, in the technique scheme, filter can be divided into two-stage at least by thick, thin rank, coarse filter was connected in the import of receiving liquid container and the pipeline that drainage tube is connected, fine filtrator is connected on the outlet of receiving liquid container and collects the pipeline that the blood bag is connected by the plug interface in, and its top is provided with steam vent.Described " filter is divided into two-stage at least by thick, thin rank " its implication comprises two-stage or more than the two-stage, can different situations determine about other quantity of level with in filtering that diameter is concrete and implementing.Wherein a kind of scheme is fixed, and another kind of scheme can adopt removable plug-in type.Described plug in construction can identical filtration diameter filter screen, also can change the different filter screens that filter diameters.

4, in the technique scheme, before collection blood bag inner blood utilizes, can close flow control valve 19,20, make the fine filtrator of bottom form the pressure system that is isolated with the top subnormal ambient with collection blood bag, can insert syringe needle this moment on steam vent, remove the influence of subnormal ambient, can connect new fine filtrator subsequently and collection blood bag continues to collect air dissolves and cellular morphology, function.

5, in the technique scheme,, on the pipeline before the coarse filter, also be provided with an administration branch road for the ease of administration, this branch road be connected to medicine container.In order to regulate dosage, can on the administration branch road, establish flow control valve.This by-pass cock generally adopts infusion regulator or similar structures spare.

6, in the technique scheme, fluctuate to the pollution of drain liquid and by water column in order to reduce air whether observe the postoperative drainage pipe unobstructed, can be provided with an aseptic water-sealed drainage bottle on negative pressure line, the negative pressure suction inlet of receiving liquid container is connected with vacuum extractor through sealing structure for water.

7, in the technique scheme, continue collection at the replaceable new bag in the full back of collection, collection blood bag can be designed to plug interface with the closed recovery approach and be connected in order to make collection blood bag.

8, in the technique scheme,, can in negative pressure suction inlet pipeline, export pipeline and the bypass of receiving liquid container, be respectively equipped with flow control valve in order effectively to control pressure or the flow in each pipeline.This by-pass cock generally adopts infusion regulator or similar structures spare.

Because the technique scheme utilization, this utility model compared with prior art has following advantage:

1, the characteristics of this utility model maximum are not only can use in art, the more important thing is the recycling of considering postoperative drainage liquid, so be named as AO type equipment of intraoperative autotransfusion of self blood (initials of after and two words of operation).

2, this utility model is used face width, practical, can be used for OH postoperative, orthopaedics whole coxa substitution, spinal operation, part cerebral surgery operation, organ transfer operation (heart, liver, kidney), liver, spleen operation, portal hypertension bypass, the operation of Urology Surgery massive hemorrhage, can not fail in patient's's (special blood group, religions belief) the art of allosome blood, in the collection of postoperative drainage liquid and the hemorrhage recovery of emergency case such as trunk damage, liver, rupture of spleen, ectopic pregnancy massive hemorrhage, closed trauma hemothorax, spontaneous hemopneumothorax.

3, this utility model reasonable in design, especially receive the use of liquid container bypass design, electromagnetic shaker, the design of steam vent, the layout of administration branch road and the technical conceive uniquenesses such as cooperation of aseptic water-sealed drainage bottle, for important function has been brought into play in the technological progress that embodies this programme.

4, this utility model can be made into disposable equipment of intraoperative autotransfusion of self blood, and is easy to operate, safe in utilization, and cost is low.

In a word, at present, clinical blood source is nervous relatively, and people's blood transfusion idea also changes just gradually.We believe; paying attention to blood conservation is rooted in the hearts of the people gradually together with paying attention to myocardial preservation, brain protection etc. notion is the same; strengthen in the art, the recycling of postoperative hemorrhage must obtain more deep understanding and utilization more widely in clinical position in the future, and develop the carrying out that a kind of good equipment of intraoperative autotransfusion of self blood obviously helps this work.

Description of drawings

Accompanying drawing 1 is this utility model example structure sketch map.

In the above accompanying drawing: 1, attract drainage tube (can refer in the art suction catheter in the operating field or postoperative abdomen, intrathoracic drainage tube); 2, receive liquid container; 3, collection blood bag; 4, negative pressure suction inlet; 5, electromagnetic shaker; 6, coarse filter; 7, import; 8, fine filtrator; 9, outlet; 10, steam vent; 11, bypass channel; 12, upper port; 13, lower port; 14, administration branch road; 15, give medicine container; 16, by-pass cock; 17, aseptic water-sealed drainage bottle; 18, by-pass cock; 19, by-pass cock; 20, by-pass cock; 21, negative pressure line; 22, by-pass cock; 23, by-pass cock; 24, plug interface.

The specific embodiment

Below in conjunction with drawings and Examples this utility model is further described:

Embodiment: shown in accompanying drawing 1, a kind of AO type equipment of intraoperative autotransfusion of self blood, by drainage tube 1, filter, receive liquid container 2, electromagnetic shaker 5, collection blood bag 3, negative pressure line 21, aseptic water-sealed drainage bottle 17, administration branch road 14 compositions such as grade, wherein, drainage tube 1, filter, receive liquid container 2, collection blood bag 3 constitutes a closed recovery approach, this passage adopt vacuum suction principle with in patient's art or postoperative from returning property of body blood, therefore be provided with negative pressure suction inlet 4 at the top of receiving liquid container 2, this negative pressure suction inlet 4 is connected with negative pressure line 21 through aseptic water-sealed drainage bottle 17, negative pressure line 21 is led to vacuum extractor, the setting of aseptic water-sealed drainage bottle 17 structures can reduce the air pollution of drain liquid and vacuum suction erythrocytic destruction, and can fluctuate whether understand drainage tube unobstructed by observing water column.Also be provided with a by-pass cock 18 in order to regulate negative pressure between the negative pressure suction inlet 4 of aseptic water-sealed drainage bottle 17 and receipts liquid container 2, this by-pass cock 18 can adopt transfusion roller actuator to regulate the size of negative pressure generally speaking.Described receipts liquid container 2 adopts the duroplasts bottle, can bear the certain negative pressure captivation, its volume can be designed to plurality of specifications as required, such as 100ml (can be used for children's), 200ml, 500ml etc., unsettled hanging when receiving liquid container 2 and using specifically can be adopted and be carried line and be suspended on the hanger and be placed on the sick bed limit, fixes an electromagnetic shaker 5 on its outer wall, make administration (such as anticoagulant CPD) and the abundant mix homogeneously of drain blood by concussion, high another effect of hanging receipts liquid container 2 is to prevent anti-stream.Described filter is divided into two-stage by thick, thin rank, and coarse filter 6 was connected in the import 7 of receiving liquid container 2 and the pipeline that drainage tube 1 is connected, the filter screen of coarse filter 6 employing 1000u, work mainly be filtering bigger organize fragment; Fine filtrator 8 was connected on by the plug interface in the outlet 9 of receiving liquid container 2 and the pipeline that collection blood bag 3 is connected, and fine filtrator 8 adopts the nylon mesh fie screen of 40u, and the connection of plug interface is in order to make fine filtrator 8 be convenient to replacing after obstruction.For collection blood bag 3 is separated with subnormal ambient, fine filtrator 8 tops are provided with steam vent 10, and steam vent 10 is in normally off when flat.For the ease of using, receive liquid container 2 sides and also be provided with a bypass channel 11 in addition, these bypass channel 11 upper port 12 are communicated with receipts liquid container 2 upper spaces, and the connection position is lower than negative pressure suction inlet 4, lower port 13 is communicated with the outlet 9 of receiving liquid container 2, is respectively equipped with flow control valve 19 and 20 on outlet 9 pipelines of receipts liquid container 2 and the bypass channel 11.Described collection blood bag 3 is connected recovery approach and is connected with the closed recovery approach endways and by the plug interface, and the bottom of collection blood bag 3 is provided with blood transfusion port, is covered with the standard blood transfusion net of 170u on the blood transfusion port.After collection blood bag 3 is received full one bag of collection blood, can take off and change new collection blood bag and continue to collect, also can directly blood be fed back to patient.The operation of direct feedback is: close by-pass cock 19 and 20 earlier, insert steam vent 10 with syringe needle then and remove subnormal ambient, and the interface of tube for transfusion with collection blood bag 3 bottoms is connected promptly.Administration for convenience also is provided with an administration branch road 14 on the pipeline before the described coarse filter 6, and this branch road is connected with giving medicine container 15, establishes flow control valve 16 on the administration branch road 14.Described administration ordinary circumstance is meant adds anticoagulant (CPD), drain liquid refilters earlier with after CPD contacts like this, minimizing is solidified, anticoagulant (CPD) splashes in advance to be received in the liquid container, the CPD amount of postoperative drainage liquid measure and adding is generally 8-10: 1, in the hemorrhage recovery of emergency cases such as closed trauma hemothorax, spontaneous hemopneumothorax, the ratio of the two is 20: 1.

Present embodiment operating process: as adopting of the recovery of 200ml duroplasts bottle to OH postoperative mediastinum drain liquid, can open by-pass cock 16 earlier, 20 and 18, close by-pass cock 19, in the duroplasts bottle, add 20mlCPD earlier, drain liquid earlier through coarse filter 6 (1000u) filtering bigger organize fragment, open by-pass cock 19 after waiting to regather 180ml mediastinum drain liquid, drain liquid is changed in the non-toxic polyvinyl chloride collection blood bag 3, as nobody looks after when collecting full 200ml, drain liquid can flow down by the bypass channel 11 at by-pass cock 20 places, can be by vacuum suction in water-sealed drainage bottle 17.After collection is expired in the collection blood bag 3, change new collection blood bag 3 and repeat aforesaid operations.Can wash the back feedback this moment with the blood direct feedback in the full collection blood bag 3 of collection or with the standard wash machine washing that uses in the blood bank.

Claims (8)

1, a kind of AO type equipment of intraoperative autotransfusion of self blood, mainly constitute a closed recovery approach by drainage tube [1], filter, receipts liquid container [2] and collection blood bag [3], wherein receive liquid container [2] and be provided with negative pressure suction inlet [4], this negative pressure suction inlet [4] is connected with negative pressure source by the road, it is characterized in that: receive the other bypass channel [11] that is provided with in addition of liquid container [2], this bypass channel [11] upper port [12] is communicated with receipts liquid container [2] upper space, and be communicated with the position and be lower than negative pressure suction inlet [4], lower port [13] is communicated with the outlet [9] of receipts liquid containers [2].

2, equipment of intraoperative autotransfusion of self blood according to claim 1 is characterized in that: unsettled the hanging of described receipts liquid container [2], fix an electromagnetic shaker [5] on its outer wall.

3, equipment of intraoperative autotransfusion of self blood according to claim 1, it is characterized in that: described filter is divided into two-stage at least by thick, thin rank, coarse filter [6] was connected in the import [7] of receiving liquid containers [2] and the pipeline that drainage tube [1] is connected, fine filtrator [8] is connected on the outlet [9] of receiving liquid containers [2] and collects the pipeline that blood bag [3] is connected by the plug interface in, and its top is provided with steam vent [10].

4, equipment of intraoperative autotransfusion of self blood according to claim 1 is characterized in that: described negative pressure line [21] is provided with an aseptic water-sealed drainage bottle [17], and the negative pressure suction inlet [4] of receiving liquid container [2] is connected with vacuum extractor through sealing structure for water.

5, equipment of intraoperative autotransfusion of self blood according to claim 1 is characterized in that: also be provided with an administration branch road [14] on described coarse filter [6] pipeline before, this branch road is connected with giving medicine container [15].

6, equipment of intraoperative autotransfusion of self blood according to claim 5 is characterized in that: establish flow control valve [16] on the described administration branch road [14].

7, equipment of intraoperative autotransfusion of self blood according to claim 1 is characterized in that: described collection blood bag [3] is connected with the closed recovery approach by the plug interface.

8, equipment of intraoperative autotransfusion of self blood according to claim 1 is characterized in that: be respectively equipped with flow control valve [18,19,20] in negative pressure suction inlet pipeline, export pipeline and the bypass of described receipts liquid container [2].