CN208573802U - A kind of puncture drainage connector - Google Patents

Abstract

The utility model discloses a kind of puncture drainage connectors.The advantages of the utility model: by setting tee tube connecting puncture needle, infusion syringe and suction component, and transfusion needle is tightly connected with sealing-plug and puncture needle, puncture needle is inserted into the patient, when transfusion needle is not extracted, infusion syringe is connected to puncture needle, when infusion completion extraction infusion syringe leaves transfusion needle in puncture needle, component is sucked out to be connected to puncture needle, it can be drained by the way that component is sucked out, the utility model is easy to use, it only infusion syringe need to be extracted outward to a distance leaves transfusion needle in puncture needle after completing injecting liquid drug and can drain, it is easy to operate, use stability and high efficiency.It only needs to prick a needle, reduces and the body and psychology of patient are damaged, and improve procedure efficiency, reduction is damaged caused by patient body, reduces mental pressure, the wound of patient is made faster to heal.

Description

A kind of puncture drainage connector

Technical field

The utility model relates to surgical field, more particularly to a kind of puncture drainage connector.

Background technique

For a long time, it is referred mainly in the paracentetic clinical use such as chest, abdominal cavity, paracentesis pericardii in body cavity, first with medical fluid Syringe is extracted after being inserted into toward patient's body liquid medicine injection, later by puncture needle carry out puncture drainage inserted into the patient；Operation It needs to prick patient body twice with needle in the process, it is easily secondary to patient body to damage, and bigger psychology is brought to user Burden, is unfavorable for the recovery and treatment of patient.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of operations of puncture drainage need to only insert Primary puncture drainage connector.

To achieve the above object, the utility model provides following technical solution: a kind of puncture drainage connector, including Have: including puncture needle, infusion syringe, component and tee tube is sucked out, the tee tube has puncture orifice, suction outlet and infusion Mouthful, the puncture needle is connect with puncture orifice, and the infusion syringe is connect with infusion port, and the suction component and suction outlet connect It connects, the infusion syringe has transfusion needle, needle tubing and push rod, and the transfusion needle is fixedly connected on one end of needle tubing, described to push away In needle tubing, the infusion port is equipped with sealing-plug for the setting of bar slip, and the transfusion needle penetrates puncture after penetrating sealing-plug It in needle, and is tightly connected with sealing-plug and puncture needle, component will be sucked out and puncture needle obstructs, be infused when extracting infusion syringe When needle is left in puncture needle, component is sucked out and is connected to puncture needle.

The puncture needle, which is equipped with, as a further improvement of the utility model, punctures seat, and the puncture orifice side is fixed to be connected It is connected to fixing pipe made of hard material, the fixing pipe is equipped with fixing seat, offers cavity, the puncture in the fixing seat Seat is penetrated in cavity and is connect with fixing seat slip, and the puncture seat is equipped with limited block, and the cavity sidewalls, which are equipped with, fixes Block, described to puncture the spring being equipped between seat and fixing seat for buffering, the fixed block and limited block are inconsistent, the spring In confined state.

The push rod includes ejector sleeve and swingle as a further improvement of the utility model, hollow in the ejector sleeve, The swingle is threaded through in ejector sleeve, and the swingle is equipped with turntable close to one end of transfusion needle, and the other end is equipped with hand and grabs bar, institute It states turntable to be located in needle tubing, the turntable is equipped with several pencils for being used to store medical fluid, several described pencils are in turntable On circumferentially shape be distributed, the ejector sleeve is equipped with push-plate close to one end of transfusion needle, and the other end is equipped with hand push disk, and the push-plate can slide That moves is located in needle tubing, and the push-plate has drug-push lever close to transfusion needle side eccentric setting, and the transfusion needle is in the end face of needle tubing Upper eccentric setting and coaxially opposite with drug-push lever, offers fixing groove on the push-plate side wall, the needle interior wall is equipped with edge The fixed link that length direction extends, when the push-plate slides in needle tubing, fixed link is caught in fixing groove, and the pencil is close to defeated One end of liquid needle is equipped with drug valve, and the other end is equipped with piston, and the drug valve is check valve, and the piston is threaded through pencil Interior, and be tightly connected with pencil, when press hand push disk, ejector sleeve is mobile to transfusion needle, and push-plate is moved to transfusion needle, drug-push lever to Transfusion needle is mobile and inconsistent with piston, and the corresponding drug valve of piston is opened and squeezes out in medical fluid to transfusion needle.

The suction component includes that syringe is sucked out, tee tube is sucked out, inhales as a further improvement of the utility model, Valve and liquid valve out, the asxpirating valve and liquid valve are check valve, and the suction tee tube has connector, liquid outlet and suction Liquid mouth, the suction outlet, asxpirating valve and connector are sequentially connected by conduit, and the liquid sucting port is connect with syringe is sucked out, institute It states liquid outlet, liquid valve and external drainage bag to be sequentially connected by connecting tube, the needle tubing that syringe is sucked out is equipped with scale Line.

The connecting tube includes primary connecting tube, collection tube and secondary cascade as a further improvement of the utility model, Adapter tube, the primary connecting tube, collection tube and secondary connecting tube are sequentially connected, and the primary connecting tube is connected to liquid valve, institute It states secondary connecting tube and is connected to drainage bag, the collection tube is equipped with positive pressure connector.

The collection tube caliber is greater than primary connecting tube and secondary connecting tube as a further improvement of the utility model, Caliber, slip is equipped with barrier button on the collection tube.

The barrier fastener has pedestal and plectrum as a further improvement of the utility model, offers in the pedestal Cavity, offers the through-hole penetrated for collection tube on the side wall of the cavity, and the plectrum is hingedly on the sidewalls of the cavities, described Plectrum is equipped with fixed convex block and barrier blocks, and the inner sidewall of the cavity is equipped with fixed blind hole, convex to fixation when stirring plectrum When block is embedded in fixed blind hole, barrier blocks squeeze collection tube, and collection tube is blocked.

The collection tube is equipped with graduation mark as a further improvement of the utility model,.

The beneficial effects of the utility model, by the way that tee tube connecting puncture needle, infusion syringe is being arranged and component is sucked out, And transfusion needle is tightly connected with sealing-plug and puncture needle, and puncture needle is inserted into the patient, when transfusion needle is not extracted, infusion note Emitter is connected to puncture needle, when infusion completion extraction infusion syringe leaves transfusion needle in puncture needle, component is sucked out and punctures Needle connection can be drained by the way that component is sucked out, and the utility model is easy to use, need to only be infused infusion after completing injecting liquid drug Emitter extracts a distance outward and leaves transfusion needle in puncture needle and can be drained, easy to operate, uses stability and high efficiency.Only It needs to prick a needle, reduces and the body and psychology of patient are damaged, and improve procedure efficiency, reduce to patient's body It is damaged caused by body, reduces mental pressure, the wound of patient is made faster to heal.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is structural schematic diagram when fixing buckle is opened in Fig. 1；

Fig. 3 is structural schematic diagram when fixing buckle is closed in Fig. 1；

Fig. 4 is the structural schematic diagram of infusion syringe in Fig. 1；

Fig. 5 is the truncation surface structural schematic diagram of infusion syringe needle tubing in Fig. 4；

Fig. 6 is the structural schematic diagram of push-plate in Fig. 4；

Fig. 7 is the structural schematic diagram of Fig. 4 turntable.

Specific embodiment

The utility model is described in further detail below in conjunction with embodiment given by attached drawing.

Referring to Fig.1, shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, a kind of puncture drainage connector of the present embodiment, It is characterized in that: including: including that puncture needle 1, infusion syringe 2, suction component 3 and tee tube 4, the tee tube 4 have Puncture orifice 41, suction outlet 42 and infusion port 43, the puncture needle 1 are connect with puncture orifice 41, the infusion syringe 2 and infusion port 43 connections, the suction component 3 are connect with suction outlet 42, and the infusion syringe 2 has transfusion needle 21, needle tubing 22 and push rod 23, the transfusion needle 21 is fixedly connected on one end of needle tubing 22, and the setting of 23 slip of push rod is described defeated in needle tubing 22 Liquid mouth 43 is equipped with sealing-plug 50, and the transfusion needle 21 penetrates in puncture needle 1 after penetrating sealing-plug 50, and with sealing-plug 50 and Puncture needle 1 is tightly connected, and component 3 will be sucked out and obstruct with puncture needle 1, leaves puncture when extracting 2 transfusion needle 21 of infusion syringe When in needle 1, component 3 is sucked out and is connected to puncture needle 1.During using the utility model, worn by being connected in setting tee tube 4 Pricker 1, infusion syringe 2 and suction component 3, and transfusion needle 21 is tightly connected with sealing-plug 50 and puncture needle 1, puncture needle 1 is inserted into the patient, and when transfusion needle 21 is not extracted, infusion syringe 2 is connected to puncture needle 1, and infusion is completed to extract infusion injection When device 2 leaves transfusion needle 21 in puncture needle 1, component 3 is sucked out and is connected to puncture needle 1, can be drawn by the way that component 3 is sucked out Stream, the utility model is easy to use, only the outside a distance of extracting of infusion syringe 2 need to be made transfusion needle after completing injecting liquid drug 21 leave in puncture needle 1 and can be drained, easy to operate, use stability and high efficiency.It only needs to prick a needle, reduces to patient Body and psychology damage, and improve procedure efficiency, reduction is damaged caused by patient body, reduces patients ' psychological Pressure makes the wound of patient faster heal.Sealing-plug 50 can be rubber material and be made, when transfusion needle 21 passes through sealing-plug 50, Junction sealing；The internal diameter of puncture needle 1 is identical as the outer diameter of transfusion needle 21, and when transfusion needle 21 is penetrated in puncture needle 1, junction is close Envelope, and can extract.Existing puncture drainage needs first to be inserted into worn later with syringe liquid medicine injection in the course of surgery Pricker 1 is drained, and patient will be pricked twice by needle, and the psychology and body burden of patient is overweight, is unfavorable for the healing and disease of wound The healing of disease, and repeatedly puncture the fault rate for improving doctor.The junction of sealing-plug 50 and transfusion needle 21 made of rubber Sealing, avoiding can not draw caused by junction gas leakage when component 3 is drained as sealing-plug 50 with transfusion needle 21 is sucked out The case where stream, occurs, and the utility model is easy to use, complete injecting liquid drug after only need to by infusion syringe 2 outward extract one section away from It can be drained from transfusion needle 21 is left in puncture needle 1, it is easy to operate, use stability and high efficiency.

As a kind of improved specific embodiment, the puncture needle 1, which is equipped with, punctures seat 11,41 side of puncture orifice Fixing pipe 5 made of hard material are fixedly connected with, the fixing pipe 5 is equipped with fixing seat 51, offers in the fixing seat 51 Cavity 510, the puncture seat 11 are penetrated in cavity 510 and are connect with 51 slip of fixing seat, and the puncture seat 11 is equipped with limit Block 111,510 side wall of cavity are equipped with fixed block 511, are equipped between the puncture seat 11 and fixing seat 51 for buffering Spring 123, the fixed block 511 and limited block 111 are inconsistent, and the spring 123 is in confined state.Using this During utility model, seat 11, fixing seat 411 and spring 123 are punctured by setting, spring 123 is compressed in puncture process, is worn Since the characteristic of 123 deformation of spring can have a guard space after thoroughly, avoided in puncture process by the way that spring 123 is arranged The case where inertia force stabs patient organ, existing puncture needle 1 is all fixedly connected, without guard space, entirely with doctor's Experience holds the depth punctured, puncture needle 1 easily occurs for unskilled doctor and pricks excessive the case where stabbing patient organ, is arranged Spring 123 reduces the generation for stabbing patient, improves cure rate, and fixed block 4111 is arranged and limited block 121 is puncturing Inconsistent when seat 12 is with 411 maximum extension position of fixing seat, spring 123 be in confined state at this time, limit fixing seat 411 and The position for puncturing seat 121, further increases the stability of operation.Meanwhile completing after puncturing, puncture seat 121 and patient skin phase Contradict, the position of puncture needle 1 is fixed with pliers without nurse, it is more convenient to use, can one operate.

As a kind of improved specific embodiment, the push rod 23 includes ejector sleeve 230 and swingle 231, described to push away Hollow in pipe 230, the swingle 231 is threaded through in ejector sleeve 230, and the swingle 231 is equipped with close to one end of transfusion needle 21 Turntable 2311, the other end are equipped with hand and grab bar 2312, and the turntable 2311 is located in needle tubing 22, if the turntable 2311 is equipped with Dry for storing the pencil 232 of medical fluid, several described pencils 232 circumferentially shape distribution, ejector sleeve on turntable 2311 230 are equipped with push-plate 2301 close to one end of transfusion needle 21, and the other end is equipped with hand push disk 2302, and 2301 slip of push-plate is set In needle tubing 22, the push-plate 2301 has drug-push lever 23011 close to 21 side eccentric setting of transfusion needle, and the transfusion needle 21 exists Eccentric setting and coaxial opposite with drug-push lever 23011 on the end face of needle tubing 22, offers fixing groove on 2301 side wall of push-plate 23010,22 inner wall of needle tubing is equipped with the fixed link 221 extended along its length, and the push-plate 2301 is sliding in needle tubing 22 When shifting, fixed link 221 is caught in fixing groove 23010, and the pencil 232 is equipped with drug valve close to one end of transfusion needle 21 2321, the other end is equipped with piston 2322, and the drug valve 2321 is check valve, and the piston 2322 is threaded through in pencil 232, And be tightly connected with pencil 232, when press hand push disk 2302, ejector sleeve 230 is moved to transfusion needle 21, and push-plate 2301 is to transfusion needle 21 move, and drug-push lever 23011 is moved to transfusion needle 21 and inconsistent, the corresponding drug valve 2321 of piston 2322 with piston 2322 It is opened and squeezes out in medical fluid to transfusion needle 21.During using the utility model, pass through setting ejector sleeve 230 and swingle 231, the drive rotation of swingle 231 of bar 2312 is grabbed by rotating hand, drives turntable 2311 to rotate, and then drive 232 turns of pencil Dynamic, the type of adjustment input medical fluid drives ejector sleeve 230 mobile to transfusion needle 21, drive pushes away later by pressing hand push disk 2302 Disk 2301 is mobile to transfusion needle 21, and drug-push lever 23011 is inconsistent mobile to transfusion needle 21 with piston 2322 and pushes piston 2322 Mobile to transfusion needle 21, the corresponding drug valve 2321 of piston 2322, which is opened, completes injecting liquid drug, when needing to inject other medical fluid, It only needs to pull out hand push disk 2302, then grabs bar 2312 for 232 turns of pencil where the medical fluid for needing to inject by stirring hand It moves between drug-push lever 23011 and transfusion needle 21, pushes hand push disk 2302 to be infused again later, carried out according to the case where patient Adjustment, need to only prick once can be completed injecting liquid drug, and the type and proportion of adjustable liquid medicine injection, set on ejector sleeve 230 Hand push disk 2302 is set, doctor is facilitated to push, while the drug-push lever 23011 of push-plate 2301 and eccentric setting is set, convenient for rotation Walk around disk 2311 and on turntable 2311 pencil 232 and transfusion needle 21 cooperate, control the type of infusion, and drug-push lever 23011 are coaxially disposed with transfusion needle 21, and when pushing hand push disk 2302, drug-push lever 23011 pushes piston 2322, make pencil 232 Interior medical fluid enters patient's body through the output of puncture needle 1 from drug valve 2321.Setting fixed link 221 and fixing groove 23010 have Positioning action avoids push-plate 2301 in use process from rotating, and causes drug-push lever 23011 and transfusion needle 21 to be detached from and is coaxially disposed, nothing Method carries out the case where normal infusion.And fixed link 221 and fixing groove 23010 have guiding role, make pulling and pushing course It is more easy and convenient.

As a kind of improved specific embodiment, the suction component 3 includes that syringe 31 is sucked out, tee tube is sucked out 32, asxpirating valve 33 and liquid valve 34, the asxpirating valve 33 and liquid valve 34 are check valve, and the suction tee tube 32, which has, to be connected Interface 321, liquid outlet 322 and liquid sucting port 323, the suction outlet 42, asxpirating valve 33 and connector 321 are successively connected by conduit It connects, the liquid sucting port 323 is connect with syringe 31 is sucked out, and the liquid outlet 322, liquid valve 34 and external drainage bag pass through connection Pipe 6 is sequentially connected, and the needle tubing that syringe 31 is sucked out is equipped with graduation mark.During using the utility model, it has been infused Cheng Hou is sucked out syringe 31 by setting and is sucked out, and asxpirating valve 33 and liquid valve 34 are check valve, and are connected to suction three The connector 321 and liquid outlet 322 of siphunculus 32, when pulling the push rod that syringe 31 is sucked out, asxpirating valve 33 is opened, liquid valve 34 It closes, puncture fluid is drawn into the needle tubing that syringe 31 is sucked out, later toward the push rod for pushing back suction syringe 31, asxpirating valve 33 close, and liquid valve 34 is opened, and the puncture fluid being sucked out in 31 needle tubing of syringe flows out to drainage bag from liquid valve 34.Injection is sucked out The needle tubing of device 31 is equipped with graduation mark, and the amount of drainage can be controlled according to the concrete condition of patient, more targetedly, improves treatment Effect drain by what the push rod that syringe 31 is sucked out in extraction push-in back and forth can continue, easy to use efficient, improves The rehabilitation speed of patient.31 inner spaces of existing suction syringe are limited, need repeatedly to be sucked out under partial picture, it may appear that clear The cleaning for continuing drainage in 31 needle tubing of syringe after cleaning is sucked out in reason, complicated for operation, and easily makes a fault, and easily feel The case where dye.

As a kind of improved specific embodiment, the connecting tube 6 includes primary connecting tube 61,62 and of collection tube Secondary connecting tube 63, the primary connecting tube 61, collection tube 62 and secondary connecting tube 63 are sequentially connected, the primary connecting tube 61 It is connected to liquid valve 34, the secondary connecting tube 63 is connected to drainage bag, and the collection tube 62 is equipped with positive pressure connector 621.? During the utility model, it is further to patient's progress that doctor wants the drainage-fluid ingredient of analytical test patient to judge Therapeutic scheme, the drainage-fluid obtained out of drainage bag and air contact time are long, and analytical test result accuracy is low, influence doctor Judgement, and then influence the formulation to the therapeutic scheme of patient, collection tube 62 is set and positive crimping be set on collection tube 62 First 621, the drainage-fluid in collection tube 62 is sucked out after rotating clockwise syringe pressing on positive pressure connector 621 when use, The drainage-fluid of suction is taken away detection.Reduce contact of the drainage-fluid with air, improves the accuracy of result of laboratory test, make doctor More accurate therapeutic scheme is made, the rehabilitation speed of patient is accelerated.

As a kind of improved specific embodiment, 62 caliber of collection tube is greater than primary connecting tube 61 and secondary connection The caliber of pipe 63, slip is equipped with barrier button 622 on the collection tube 62.During using the utility model, collection tube 62 caliber is greater than the caliber of primary connecting tube 61 and secondary connecting tube 63, and when closing barrier button 622, collection tube 62 is blocked, The drainage-fluid in collection tube 62 is obtained by syringe at this time, the caliber of collection tube 62 is greater than primary connecting tube 61 and time cascade Adapter tube 63 improves the amount of the storable drainage-fluid of collection tube 62, avoids the insufficient feelings of amount for extracting and needing the drainage-fluid detected Condition, setting barrier button 622 make the drainage-fluid in collection tube 62 stop flowing, improve the stability of collection process.

As a kind of improved specific embodiment, the barrier button 622 has pedestal 6220 and plectrum 6221, the bottom Cavity is offered in seat 6220, the through-hole penetrated for collection tube 62 is offered on the side wall of the cavity, the plectrum 6221 is cut with scissors It connects on the sidewalls of the cavities, the plectrum 6221 is equipped with fixed convex block 62211 and barrier blocks 62212, the inside of the cavity Wall is equipped with fixed blind hole 62200, when stirring in plectrum 6221 to the fixed fixed blind hole 62200 of the insertion of convex block 62211, barrier Block 62212 squeezes collection tube 62, and collection tube 62 is blocked.During using the utility model, collection tube 62 penetrates pedestal 6220 two through-holes, plectrum 6221 and barrier blocks 62212 are spaced with collection tube 62 when normal use, drainage in collection tube 62 Liquid normally circulates, and when needing to be acquired, stirs plectrum 6221, barrier blocks 62212 squeeze collection tube 62, hinder collection tube 62 Every, while fixed convex block 62211 is embedded in fixed blind hole 62200, be fixed it is self-locking, such as: plectrum 6221 is V-arrangement, and side Edge is arc, meets ergonomics, and pressing is stirred conveniently, stirred conveniently using thumb, and need not be hand-held after truncation, is led to Cross fixed convex block 62211 and fixed blind hole 62200 carry out it is self-locking, it is easy to use, plectrum 6221 is resetted after acquisition, is obstructed Separately, 62 both ends of collection tube connection, drainage-fluid normally circulates for block 62212 and collection tube 62, easy to use efficient, operation letter It is single, the efficiency and stability of drainage and sample acquisition are improved, the working efficiency of doctor is improved.

As a kind of improved specific embodiment, the collection tube 62 is equipped with graduation mark.Using the utility model In the process, it by the way that graduation mark is arranged on collection tube 62, can clearly be observed when extracting the puncture fluid in collection tube 62 The amount for extracting the puncture fluid of chemical examination, is rationally extracted according to the demand of chemical examination, avoids finding in collection tube 62 in extraction process The inadequate situation of puncture fluid occurs.

The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.

Claims (8)

1. a kind of puncture drainage connector, it is characterised in that: include: including puncture needle (1), infusion syringe (2), be sucked out Component (3) and tee tube (4), the tee tube (4) has puncture orifice (41), suction outlet (42) and infusion port (43), described to wear Pricker (1) is connect with puncture orifice (41), and the infusion syringe (2) connect with infusion port (43), the suction component (3) and suction (42) connection is exported, the infusion syringe (2) has transfusion needle (21), needle tubing (22) and push rod (23), the transfusion needle (21) it is fixedly connected on one end of needle tubing (22), the setting of push rod (23) slip is in needle tubing (22), the infusion port (43) sealing-plug (50) are equipped with, the transfusion needle (21) penetrates in puncture needle (1) after penetrating sealing-plug (50), and and sealing-plug (50) it is tightly connected with puncture needle (1), component (3) and puncture needle (1) will be sucked out and obstruct, infusion syringe (2) are defeated when extracting Liquid needle (21) leave puncture needle (1) it is interior when, be sucked out component (3) be connected to puncture needle (1).

2. puncture drainage connector according to claim 1, it is characterised in that: the puncture needle (1), which is equipped with, punctures seat (11), puncture orifice (41) side is fixedly connected with fixing pipe made of hard material (5), and the fixing pipe (5) is equipped with solid Reservation (51), the fixing seat (51) is interior to be offered cavity (510), and the puncture seat (11) penetrates in cavity (510) and fixed Seat (51) slip connection, the puncture seat (11) are equipped with limited block (111), and cavity (510) side wall, which is equipped with, to be fixed Block (511), it is described to puncture the spring (123) being equipped between seat (11) and fixing seat (51) for buffering, the fixed block (511) Inconsistent with limited block (111), the spring (123) is in confined state.

3. puncture drainage connector according to claim 1 or 2, it is characterised in that: the push rod (23) includes ejector sleeve (230) and swingle (231), hollow in the ejector sleeve (230), the swingle (231) is threaded through in ejector sleeve (230), described Swingle (231) is equipped with turntable (2311) close to the one end of transfusion needle (21), and the other end is equipped with hand and grabs bar (2312), the turntable (2311) it being located in needle tubing (22), the turntable (2311) is equipped with several pencils (232) for being used to store medical fluid, several Circumferentially shape is distributed the pencil (232) on turntable (2311), and the ejector sleeve (230) sets close to the one end of transfusion needle (21) Have push-plate (2301), the other end is equipped with hand push disk (2302), being located in needle tubing (22) for push-plate (2301) slip, described Push-plate (2301) has drug-push lever (23011) close to transfusion needle (21) side eccentric setting, and the transfusion needle (21) is in needle tubing (22) End face on eccentric setting and coaxial opposite with drug-push lever (23011), offer fixing groove on push-plate (2301) side wall (23010), needle tubing (22) inner wall is equipped with the fixed link (221) extended along its length, and the push-plate (2301) is in needle When managing sliding in (22), fixed link (221) is caught in fixing groove (23010), and the one of the pencil (232) close transfusion needle (21) End is equipped with drug valve (2321), and the other end is equipped with piston (2322), and the drug valve (2321) is check valve, the piston (2322) it is threaded through in pencil (232), and is tightly connected with pencil (232), when pressing hand push disk (2302), ejector sleeve (230) Mobile to transfusion needle (21), push-plate (2301) is mobile to transfusion needle (21), drug-push lever (23011) it is mobile to transfusion needle (21) and with Piston (2322) is inconsistent, and the corresponding drug valve (2321) of piston (2322) is opened and squeezes out in medical fluid to transfusion needle (21).

4. puncture drainage connector according to claim 3, it is characterised in that: the suction component (3) includes to be sucked out Tee tube (32), asxpirating valve (33) and liquid valve (34) is sucked out in syringe (31), and the asxpirating valve (33) and liquid valve (34) are equal For check valve, the suction tee tube (32) has connector (321), liquid outlet (322) and liquid sucting port (323), the suction Mouth (42), asxpirating valve (33) and connector (321) are sequentially connected by conduit, the liquid sucting port (323) and suction syringe (31) it connects, the liquid outlet (322), liquid valve (34) and external drainage bag are sequentially connected by connecting tube (6), the suction The needle tubing of syringe (31) is equipped with graduation mark.

5. puncture drainage connector according to claim 4, it is characterised in that: the connecting tube (6) includes first cascade Take over (61), collection tube (62) and secondary connecting tube (63), the primary connecting tube (61), collection tube (62) and secondary connecting tube (63) it is sequentially connected, the primary connecting tube (61) is connected to liquid valve (34), and the secondary connecting tube (63) is connected to drainage Bag, the collection tube (62) are equipped with positive pressure connector (621).

6. puncture drainage connector according to claim 5, it is characterised in that: collection tube (62) caliber is greater than primary The caliber of connecting tube (61) and secondary connecting tube (63), slip is equipped with barrier button (622) on the collection tube (62).

7. puncture drainage connector according to claim 6, it is characterised in that: the barrier button (622) has pedestal (6220) and plectrum (6221) cavity, is offered in the pedestal (6220), is offered on the side wall of the cavity for collection tube (62) through-hole penetrated, the plectrum (6221) is hinged on the sidewalls of the cavities, and the plectrum (6221) is equipped with fixed convex block (62211) and barrier blocks (62212), the inner sidewall of the cavity is equipped with fixed blind hole (62200), when stirring plectrum (6221) When interior to fixed convex block (62211) insertion fixed blind hole (62200), barrier blocks (62212) squeeze collection tube (62), collection tube (62) it is blocked.

8. puncture drainage connector according to claim 7, it is characterised in that: the collection tube (62) is equipped with scale Line.