CN104470439B

CN104470439B - Remaining needle with syringe-type vacuum blood collector

Info

Publication number: CN104470439B
Application number: CN201280074568.7A
Authority: CN
Inventors: 张建铭
Original assignee: Individual
Current assignee: Bestway Changting Medical Devices Co ltd
Priority date: 2012-08-02
Filing date: 2012-08-02
Publication date: 2017-03-29
Anticipated expiration: 2032-08-02
Also published as: WO2014019200A1; CN104470439A

Abstract

A kind of remaining needle with syringe-type vacuum blood collector, including conduit tube component and needle tubing component, conduit tube component include conduit（81）, catheter block（82）, batching pig（83）, extension tube（84）, connecting seat（85）And closeouts；Needle tubing component is a kind of vacuum blood collector, including vascular puncture needle tubing（11）, blood-collecting needle tube（12）, blood sample collection pipe（2）And syringe（3）, vascular puncture needle tubing（11）Through batching pig（83）, by catheter block inner chamber（82）, through conduit（81）, needle point exposes catheter tip；Syringe（3）It is internal that there is annular seal space（32）And cylindrical cavity（33）, annular seal space（32）With vascular puncture needle tubing（11）And blood-collecting needle tube（12）Connection, is easy to user observation blood back as blood back cavity；Blood sample collection pipe（2）It is nested with cylindrical cavity（33）In, by relative to syringe（3）Promote forward blood sample collection pipe（2）So that blood-collecting needle tube（12）Pierce through blood sample collection pipe（2）Pipe close aft bulkhead formed sealant（21）, so as to realize blood sampling.Directly can be taken a blood sample by puncturing needle tubing using the remaining needle with syringe-type vacuum blood collector, the potential safety hazard of thrombosis and blood back pollution will not be produced, and only blood sampling and catheter retaining need to be completed simultaneously by puncturing once to sufferer, facilitate infusion treatment, sufferer pain is reduced, the workload of medical worker is alleviated again.

Description

Remaining needle with syringe-type vacuum blood collector

Technical field

The present invention relates to the outer indwelling apparatus of a kind of human body in clinical treatment, particularly a kind of to have syringe-type vacuum blood collector Remaining needle.

Background technology

In prior art, a kind of blood sampling indwelling equipment is as shown in figure 1, it is by a kind of venous detaining needle 8 and a kind of vacuum blood collection Device is docked in vacuum blood collection and is formed.Vacuum blood sampler includes blood taking needle and blood sample collection pipe 2, and blood taking needle one end is Vascular puncture needle tubing 11, the other end are that, with gum cover blood-collecting needle tube 12, centre is connected by PVC hose connectors 16.Which is using former Reason is：First placed inlying catheter with venous detaining needle 8 in vitro, then with the vascular puncture needle tubing 11 in vacuum blood sampler with Remaining needle extension tube connecting seat carries out docking blood-letting, and this method has very big inconvenience and potential safety hazard.As remaining needle makes With before, needing first docking transfusion device to be exhausted and check whether retention needle infusion passage is unobstructed, transfusion adjusting switch is being closed Just puncture and intubation, must shut off after putting pipe success and extends tube passage on inlying catheter, pull out defeated after getting out waste fluid container afterwards Liquid device joint, opens and extends tube passage on inlying catheter, releases liquid in inlying catheter into waste fluid container, a little up to blood Reverse interface is flowed out, is again switched off on inlying catheter, extending tube passage, connected vacuum test tube, then open prolongation on inlying catheter Tube passage, until required blood sampling volume, turns off, extract blood taking instrument, it is necessary to connect at once defeated Liquid device joint, is again turned on extending tube passage on inlying catheter, immediately opens transfusion device switch, using transfusion medicinal liquid by extension tube In interior sufferer blood propulsion blood vessel, normal infusion is carried out.As can be seen here, this blood sampling indwelling equipment there are following deficiency Place：In blood collection procedure, to pull out and have intersegmental every sufferer blood rests on inlying catheter between hemostix and the transfusion of docking transfusion device In, easily cause blood coagulation and there is thrombotic risk, while blood in extension tube reverse interface, with air contact, blood is easily by sky Gas pollutes, then sends back in sufferer blood vessel, there is very big potential safety hazard；In operation, action is loaded down with trivial details, needs very skilled operation maneuver, Misoperation, easily causes blood pollution environment, while also the feared state of mind can be caused to sufferer；And vacuum blood sampler is due to blood sampling Pin and 2 split of collecting pipe construction, blood collection procedure need to be cared for two needle tubing of hose connector 16 simultaneously, cause complex operation loaded down with trivial details, Multiple operating procedures even need both hands and also need to impose certain and just right power just complete extracting and inserting for needle tubing Enter, and now just cannot care for the needle tubing of other end, so involving again needs the collaboration of more than one medical personnel to grasp Make.The presence of the loaded down with trivial details operating procedure of this complexity and two needle tubing, virtually increased medical personnel's workload and psychology Burden, is suffering from unconsciousness, restless, disoperative patient and infant patient and the big scene of limb activity amplitude Under, easily produce maloperation.

The content of the invention

It is an object of the invention to overcome weak point of the prior art, and provide a kind of structure simplify, it is simple to operate, Reduce a kind of remaining needle with syringe-type vacuum blood collector of potential safety hazard.

The purpose of the present invention is realized by following approach.

Remaining needle with syringe-type vacuum blood collector, including conduit tube component and needle tubing component, conduit tube component include conduit, Catheter block, batching pig, extension tube, connecting seat and closeouts etc., its composition are characterized by：Needle tubing component is a kind of vacuum blood collection Device, including vascular puncture needle tubing, blood-collecting needle tube, blood sample collection pipe and syringe, the tail end of vascular puncture needle tubing is near pin The mode bias of cylinder outer peripheral face is plugged on the anterior Paracentesis needle holder of syringe, and the major part of the needle point and needle tubing of the needle tubing is naked It is exposed at outside syringe and through batching pig, by catheter block inner chamber, through conduit, needle point exposes catheter tip, has inside syringe Before one annular seal space and a cylindrical cavity, wherein annular seal space are located at cylindrical cavity, the tube core of vascular puncture needle tubing is connected with the annular seal space Logical, the front end of blood-collecting needle tube is installed with the capsule walls, and rear end and needle tubing major part extend back and be plugged on blood sample In the pipe close of collecting pipe, the tube core of blood-collecting needle tube is connected with the annular seal space, and cylindrical cavity is located at the rear and thereafter of annular seal space End opens, and blood sample collection pipe pipe close is nested with the cylindrical cavity in the way of removable front, blood sample collection Pipe pipe close aft bulkhead has a sealant that can be pierced through by blood-collecting needle tube rear end, and the tubular of blood sample collection pipe front end face is empty Chamber with for pierce through this sealant and space that the front blood sample collection tube capacity for pushing away is put, vascular puncture needle tubing tube core, annular seal space, Blood sample collection pipe tube chamber after blood-collecting needle tube tube core and pierced sealant constitutes a kind of blood channel.

So, with syringe rigid attachment vascular puncture needle tubing, blood-collecting needle tube and blood sample collection pipe, make three not only Body constructs and constitutes a kind of traditional needle cylinder structure, and structure simplifies, and holding is easy to operate, and operating process and conventional syringes Operation is extremely similar.

During blood sampling, conventional bleeding is first carried out, i.e.,：With transfusion device access conduit tube component on connecting seat, somewhat after Needle tip is removed, transfusion device flow valve is opened, conduit tube component is exhausted, flow valve is then shut off, needle tip is resetted； Puncture blood collecting operation is carried out again then, i.e.,：Hold syringe vascular puncture needle tubing is pierced in sufferer arm vein, when seeing blood back, Syringe, another handss or same finger sinciput blood sample collection pipe another on the other hand are handled on the other hand, make blood-collecting needle tube rear end pierce through blood The sealant of sample collection tube pipe close, due to the negative pressure of blood sample collection pipe tube chamber, blood flows into the speed in the collecting pipe Comparatively fast.It is to be collected only to need one hand that collecting pipe is extracted from cylindrical cavity to required sample amount if multitube blood sample be gathered, Now the outer sealing shroud of taking a blood sample by made by soft rubber sleeve of blood-collecting needle tube restores, and encases blood-collecting needle tube, and in preventing conduit, blood flows out dirt Dye environment, is then inserted into new blood sample collection pipe；If need not draw blood again, only puncture needle on human body need to be first extracted Pipe, puts needle tip shield, then pulls out collecting pipe.

After puncture needle tubing is withdrawn from, and in catheter retaining blood vessel, opening transfusion device flow valve can be carried out normal infusion and control Treat.

Due to being taken a blood sample without conduit tube component, but directly taken a blood sample by puncture needle tubing, during blood sampling, blood is not Conduit and extension tube can be entered, so as to need not both carry out the operation that stagnant blood pushes back blood vessel, thrombosis and blood back pollution will not be also produced Potential safety hazard.And only blood sampling and catheter retaining need to be completed simultaneously by puncturing once to sufferer, facilitate infusion treatment, reduce Sufferer pain, alleviates the workload of medical worker again.

The purpose of the present invention can also be realized by following approach.

The vascular puncture needle tubing for extending near syringe outer peripheral face arrangement and forward and the center parallel of syringe.

The anterior annular seal space of syringe is a kind of blood back cavity, and having on the position that syringe outer peripheral face is adapted with the annular seal space can The perspective portion of observation blood back.

Syringe leading section in one kind on contract downwardly extending wedge shape, vascular puncture needle tubing is solid with syringe in the lower extending end head of the wedge shape Connect, the perspective portion of observable blood back is located on the inclined-plane of the wedge shape.

The upper contracting end of the tapered ramp is intersected with the outer peripheral face of syringe, and the lower extending end of the tapered ramp is near syringe periphery The position in face forms a kind of small boss A, and vascular puncture needle tubing tail end is affixed with syringe by this boss A.

So, the tapered ramp faces the operator for bending to be operated, and is easy to observation.

The perspective portion can be made using transparent material.

Cover after annular seal space with a small boss B, the fixation of blood-collecting needle tube front end is on this boss B.

Blood-collecting needle tube and syringe arranged concentric, and extend along syringe center back.

Cylindrical cavity has front bulkhead, has interval, extend back between the annular seal space bonnet and cylindrical cavity front bulkhead Blood-collecting needle tube through this cylindrical cavity front bulkhead is while bearing is on the cylindrical cavity front bulkhead.

So, blood-collecting needle tube possesses preferable support connection rigidity.

Blood-collecting needle tube is coated with blood sampling sealing shroud, and blood sample collection pipe pipe close is provided centrally with axially extending to sealing The core bore of layer, this core bore internal diameter are more slightly larger than blood sampling sealing shroud external diameter.

So, blood-collecting needle tube band with blood sampling seal pipe along this core bore penetrate pipe close when, blood sampling sealing shroud compressed axially Compression radial distorted dilatating and deformable, just with this core bore inner hole wall extrusion friction, will not more allow blood-collecting needle tube to deviate from blood sample Collecting pipe pipe close.

Blood sample collection pipe pipe close sealant thickness is 3-0.5MM, preferably 1.5-0.5MM.

So blood-collecting needle tube can easily wear out sealant.

With the construction being adapted with blood sample collection pipe pipe close in cylindrical cavity, this construction not only facilitates blood sample The loading and taking-up of collecting pipe, while and the annexation to be formed compared with consolidation that is connected with blood sample collection pipe pipe close.

The further optimization of this construction can be so：Blood sample collection pipe is plugged in cylindrical cavity, is adapted Construction is a kind of construction of interference fits connection in size.

It may also is that：Cylindrical cavity inwall is circumferentially symmetrically arranged with and is adapted to place's bullet with blood sample collection pipe pipe close Property the construction that touches of card, when the two touches state in card, blood-collecting needle tube rear end is just before sealant to be pierced through.

The blood sample collection pipe that had so both conveniently been inserted in cylindrical cavity will not fall off out when upright, and from sense of touch The insertion degree of the blood sample collection pipe in cylindrical cavity is given, so as to convenient installation.

It can be a kind of short arc convex clamping point that this elastic card touches construction, or this short arc convex clamping point or blood sample collection pipe Pipe close is made up of elastomeric material.

This elastic card touches the elastic urgent connection status that construction can cause cylindrical cavity inwall and pipe close, but is applying During axial force, blood sample collection pipe still can do with respect to cylindrical cavity and before push away freely or retreat.

This short arc convex clamping point be exactly as its name suggests it is a kind of dash forward the convex salient point on cylindrical cavity inwall, thickness it is low shallow and There is arc-shaped transition side in front and back, passes through in order to creeping for pipe close.

Can be made with separately increasing other adaptation connecting structure on the basis of touching construction in this elastic card and carrying out cooperation To reach more preferable using effect, using cooperatively for one of which optimization is the following is：

The construction being adapted with pipe close in cylindrical cavity is that a kind of a plurality of inwalls along cylindrical cavity are circumferentially distributed or right The construction for claiming the elastic card of distribution to touch, the construction that another kind is adapted is the L-shaped groove and making being produced on pipe close outer peripheral face Prominent salient point on cylindrical cavity inwall, the prominent salient point enter L-shaped groove from the termination of the L-shaped groove vertical section positioned at pipe close front end face And can slide wherein, when cylindrical cavity inwall is touched with pipe close elastic card, the prominent salient point is had been enter in the vertical section in L-shaped groove But the bottom of the vertical section is not yet reached, before now blood-collecting needle tube rear end is just in sealant to be pierced through, when sinciput blood sample This collecting pipe is pierced through after sealant to blood-collecting needle tube, and the prominent salient point just reaches the bottom of the vertical section, now rotates blood sample Collecting pipe, the cross break section that the prominent salient point is entered in L-shaped groove.

So, the degree of freedom that the cross break section in L-shaped groove can be with locked blood sample collection pipe in the axial direction so as to respect to pin Cylinder can neither before push away and can not retreat.

Can be so again：Blood sample collection pipe screw thread is connected in cylindrical cavity, and the construction being adapted is a kind of spiral shell Stricture of vagina connecting structure.

Blood sample collection pipe pipe close is made up of seal rubber plug and protection cap, fluid sealant plug sleeve plug in collecting pipe tube chamber, Protection cap lid plug is on the collecting pipe mouth of pipe and seal rubber plug.

The construction being adapted with cylindrical cavity is generally located in protection cap.

The length of cylindrical cavity is nested with the blood sample collection in cylindrical cavity less than the length of blood sample collection pipe The afterbody of pipe is exposed outside cylindrical cavity.

Syringe have along syringe is axially arranged with being contained on the position being adapted in syringe in blood sample collection pipe pipe close Used as operation window, this operation window has two to a kind of strip grooves, and Relative distribution is in the both sides of syringe.

So blood back can be observed by this operation window, observe the state of blood volume in blood sample collection pipe, also observable blood The insert state and insertion degree of liquid sample collection tube, also first can pinch through this operation window when blood sample collection pipe is extracted Hold pipe close and firmly exit blood sample collection pipe backward, collect during blood sample collection pipe tube body and pipe close so as to prevent from exiting Disengaging.

A kind of tactile platform is provided with the close syringe of vascular puncture needle tubing that side outer peripheral face, this tactile platform bottom surface is in one kind Planar shaped or in a kind of arcs of recesses being adapted with human body ancon.

This tactile platform facilitates syringe with human body by touching, and increases the frictional force of syringe and human skin, makes syringe be difficult to slide It is de-.

Be provided with a kind of soft deposited wing on the close syringe of vascular puncture needle tubing that side outer peripheral face, this soft deposited wing with Syringe is affixed, and both sides have the span, applies wing bottom surface in a kind of planar shaped or in a kind of arcs of recesses being adapted with human body ancon.

This deposited wing facilitates syringe with human body by touching, and increases the frictional force of syringe and human skin, makes syringe be difficult to slide It is de-.

Viscosity glue point can also be set in deposited wing bottom surface further.

At the end of blood sampling, if being able to puncture needle tubing be retracted in protective case inner chamber, you can prevent from puncturing needle tubing needle point Accidentally injure other people and cause the injury such as infection, so, the present invention can further deepen the syringe-type vacuum blood collector for a kind of safety, One way in which is：

Paracentesis needle holder is located in the syringe inner chamber on the inside of syringe front bulkhead, and Paracentesis needle holder inner chamber is annular seal space, syringe side Axially extending on wall to have a kind of tail end to be provided with the sliding groove for retreating obstacle, Paracentesis needle holder push handle is prominent to be passed this sliding groove and is exposed at Outside syringe, the length of the axial length of syringe inner chamber more than the exposed puncture needle tubing outside syringe, puncture needle tubing, Paracentesis needle holder, Blood-collecting needle tube or even a kind of slide unit that slip can be retreated with respect to syringe of collecting pipe composition, as the retrogressing of slide unit is worn Pricker pipe is retracted in syringe inner chamber.

At the end of blood sampling, along this sliding groove pusher Paracentesis needle holder and needle tubing can be punctured, the pin until puncture needle tubing submerges completely In cylinder, now syringe is again as protective case.Sliding groove tail end retreats obstacle and can prevent the Paracentesis needle holder dropped back and puncture needle tubing Pass syringe.This obstacle that retreats can be that a kind of prominent convex stuck point, or sliding groove tail end in sliding groove tail end is closed.

The further optimization of this mode is：

A kind of non-return device is included also, this non-return device is arranged between slide unit and syringe, is retreated to puncture needle If push away before the slide unit that pipe is retracted in syringe inner chamber is reverse prevent to contact with this non-return device.

So, because of the prevention of non-return device, retreat slide unit in place can not before push away.So as to both ensure that what is retreated wears Pricker pipe will not be elapsed out again and be hurted sb.'s feelings, it is also possible to promote this syringe-type vacuum blood collector single use of the present invention.

It is common in this non-return device aciculiform medical apparatus and instruments in the prior art, can apply in the present invention mostly In.Here of the present invention provides the non-return device of two kinds of optimizations：

The non-return device is a kind of elastic symmetry closure tongue piece, in the syringe inner chamber in front of Paracentesis needle holder, is punctured Needle tubing tail end wore the closure joint portion of this closure tongue piece and was fixed on Paracentesis needle holder.

So, after puncture needle tubing is removed, the blocking of tongue piece elastic reset is former to puncture barrel outlet.

The non-return device is made up of Elastic buckle and pit, and Elastic buckle is located on syringe, and pit is located on slide unit, Retreat slide unit its pit in place just with Elastic buckle clamping, so as to prevent to push away before puncturing needle tubing.

The Elastic buckle is made up of the buckle of elastic suspended tongue and outstanding tongue top, near syringe sliding groove tail end edge and slip The parallel interval of groove is emptied and allows this to empty and worn with sliding groove " u "-shaped company in sliding groove tail end, and this " u "-shaped central authorities forms one Elastic suspended tongue, buckle are located at this elastic suspended tongue top and dash forward convex in sliding groove, and pit is located in the push handle of Paracentesis needle holder.

Retreat Paracentesis needle holder push handle in place along sliding groove, its pit just with this buckle clamping.

The mode of the syringe-type vacuum blood collector of another kind of safety is：

A kind of telescopic protective cover for being slided by fixed cover and slip cap and being set in together, syringe and slip cap tail are included also End is affixed, and Paracentesis needle holder is positioned at slip cap tail end and affixed with syringe, and Paracentesis needle holder inner chamber is annular seal space, punctures needle tubing along sliding Dynamic set inner chamber is axially walked and is finally fixed on Paracentesis needle holder, slip cap, syringe, puncture needle tubing, Paracentesis needle holder and blood sampling Needle tubing or even a kind of relative slide unit for being relatively fixed set slip of blood sample collection pipe composition, with the retrogressing of slide unit Puncture needle tubing to retract in fixed cover inner chamber.

At the end of blood sampling, can pusher syringe retreat puncture needle tubing to submerge in fixed cover inner chamber, now fixed cover is used as wearing The protective case of pricker pipe.

The further optimization of this mode is：

A kind of non-return device is included also, this non-return device is arranged between slide unit and fixed cover, is retreated to puncture If push away before the slide unit that needle tubing is retracted in fixed cover inner chamber is reverse prevent to contact with this non-return device.

It is common in this non-return device aciculiform medical apparatus and instruments in the prior art, can apply in the present invention mostly In.Here of the present invention provides a kind of non-return device of optimization：

The non-return device is a kind of elastic symmetry closure tongue piece, in front of Paracentesis needle holder, in fixed cover front bulkhead In chamber, puncture needle tubing tail end and wore the closure joint portion of this closure tongue piece and be fixed on Paracentesis needle holder.

Also include a kind of drive end bearing bracket, this drive end bearing bracket be located at syringe in front of and it is affixed with fixed cover, drive end bearing bracket outer peripheral face with Syringe outer peripheral face smoothly transits.

In sum, the present invention is had the advantage that compared to existing technology：Structure simplifies, and holding is easy to operate, and operates Process is extremely similar to the operation of conventional syringes, reduces medical personnel's workload and psychological burden to greatest extent, even if Suffer from unconsciousness, restless, disoperative patient and infant patient and under the big scene of limb activity amplitude, also do not allow Maloperation is also easy to produce, so as to improve safety and the Degree of Success of operation.Due to being taken a blood sample without conduit tube component, but directly Connected puncture needle tubing to be taken a blood sample, during blood sampling, blood will not enter conduit and extension tube, push back so as to need not both carry out stagnant blood The operation of blood vessel, will not also produce the potential safety hazard of thrombosis and blood back pollution.And by only need to puncturing once to sufferer simultaneously Blood sampling and catheter retaining are completed, facilitates infusion treatment, reduced sufferer pain, alleviate the workload of medical worker again.And pacify The further intervention of holotype construction, hurts sb.'s feelings so as to both ensure that the puncture needle tubing for retreating will not be elapsed out again, it is also possible to promote this The single use of the bright described this remaining needle with syringe-type vacuum blood collector.

Description of the drawings

Fig. 1 is a kind of blood sampling indwelling equipment schematic diagram in prior art.

Fig. 2 is the outward appearance schematic front view of the remaining needle with syringe-type vacuum blood collector of the present invention.

Fig. 3 is the outward appearance diagrammatic top view of the remaining needle with syringe-type vacuum blood collector of the present invention.

Fig. 4 is the structural representation section view main view of the remaining needle with syringe-type vacuum blood collector in the embodiment of the present invention one Figure.

Fig. 5 is that the structural representation section view of the remaining needle with syringe-type vacuum blood collector in the embodiment of the present invention one is overlooked Figure.

Fig. 6 is that the syringe cylinder structure in the remaining needle with syringe-type vacuum blood collector in the embodiment of the present invention one is illustrated to cut open Depending on front view.

Fig. 7 is that the syringe cylinder structure in the remaining needle with syringe-type vacuum blood collector in the embodiment of the present invention one is illustrated to cut open Depending on left view.

It is vertical that Fig. 8 is that the syringe cylinder structure in the remaining needle with syringe-type vacuum blood collector in the embodiment of the present invention one is illustrated Body figure.

Fig. 9 is the schematic appearance of the remaining needle with syringe-type vacuum blood collector in the embodiment of the present invention two.

Figure 10 is the structural representation section view master of the remaining needle with syringe-type vacuum blood collector in the embodiment of the present invention two View.

Figure 11 is that the structural representation section view of the remaining needle with syringe-type vacuum blood collector in the embodiment of the present invention two is bowed View.

Figure 12 is the signal of state after the blood sampling of the remaining needle with syringe-type vacuum blood collector in the embodiment of the present invention two Figure.

Figure 13 is that the drive end bearing bracket structure in the remaining needle with syringe-type vacuum blood collector in the embodiment of the present invention two is shown Meaning sectional plan view.

Figure 14 is that the drive end bearing bracket structure in the remaining needle with syringe-type vacuum blood collector in the embodiment of the present invention two is shown Meaning section view left view.

Figure 15 is the structural representation section view master of the remaining needle with syringe-type vacuum blood collector in the embodiment of the present invention three View.

Figure 16 is the structural representation top view of the remaining needle with syringe-type vacuum blood collector in the embodiment of the present invention three.

Figure 17 is that the drive end bearing bracket structure in the remaining needle with syringe-type vacuum blood collector in the embodiment of the present invention three is shown Meaning sectional plan view.

Figure 18 is that the drive end bearing bracket structure in the remaining needle with syringe-type vacuum blood collector in the embodiment of the present invention three is shown Meaning section view left view.

Figure 19 is the signal of state after the blood sampling of the remaining needle with syringe-type vacuum blood collector in the embodiment of the present invention three Figure.

Below in conjunction with the accompanying drawings the present invention is carried out more to describe in detail.

Label declaration：

11 puncture 132 push handles of needle tubing 12 blood-collecting needle tube, 13 Paracentesis needle holder, 131 boss B, 14 blood sampling needle stand 15 31 boss A of blood sampling sealing shroud 16 hose connector, 2 blood sample collection pipe, 21 sealant, 3 syringe, 32 annular seal spaces 33 cylindrical cavities 34 are touched 37 telescopic protective cover chamber of platform 35 operation window, 36 sliding groove, 38 short arc convex clamping point 4 and apply the wing 5 81 conduit of closure tongue piece 6 drive end bearing bracket, 71 fixed cover, 72 slip cap, 8 venous detaining needle, 82 catheter block 83 is isolated Fill in 84 extension tube, 85 connecting seat.

Specific embodiment

Embodiment one：

With reference to Fig. 2, Fig. 3, Fig. 4, Fig. 5, the remaining needle with syringe-type vacuum blood collector, including conduit tube component and needle tubing group Part.Conduit tube component includes conduit 81, catheter block 82, batching pig 83, extension tube 84 and connecting seat 85 etc..Needle tubing component is a kind of pin Cylinder vacuum hemostix, including vascular puncture needle tubing 11, blood-collecting needle tube 12, blood sample collection pipe 2 and syringe 3.Syringe is one Hollow barrel-type housing, is made up of medical transparent material, syringe leading section in one kind on contract downwardly extending wedge shape, the tapered ramp it is upper Contracting end is intersected with the outer peripheral face of syringe, and the lower extending end of the tapered ramp is near syringe outer peripheral face（I.e. near case inside edge） Position form a kind of small boss A31, boss A31 central authorities arrange and puncture 11 installation through-hole of needle tubing, the portion that the installation through-hole is located Position is Paracentesis needle holder 13, and the tail end for puncturing needle tubing 11 is plugged on the Paracentesis needle holder 13 in the way of with 3 center parallel of syringe, The major part of the needle point and needle tubing of the needle tubing is exposed outside syringe 3 and through batching pig 83, by 82 inner chamber of catheter block, wears Conduit 81 is crossed, it is sophisticated that needle point exposes conduit 81.There is inside syringe 3 annular seal space 32 and a cylindrical cavity 33, wherein annular seal space 32 are located at syringe front end, and the tube core for puncturing needle tubing 11 is connected with the annular seal space 32.Blood sampling needle stand 14 is a kind of open recesses component, Its side is in open recesses and is touched with 3 front bulkhead inner seal of syringe patch, and the cavity for being formed is annular seal space 32, its opposite side Wall is capsule walls, on rear side of capsule walls have a small boss B131,12 front end fixation of blood-collecting needle tube on this boss B131, Rear end and needle tubing major part extend back and are plugged in the pipe close of blood sample collection pipe 2, the tube core of blood-collecting needle tube 12 with should Annular seal space 32 is connected, and blood-collecting needle tube 12 is coaxial with cylindrical cavity 33.Blood taking needle 12 is coated with blood sampling sealing shroud 15, blood sample Collecting pipe pipe close is provided centrally with the core bore for axially extending to sealant 21, and this core bore internal diameter is than 15 external diameter of blood sampling sealing shroud slightly Greatly.So, blood-collecting needle tube 12 with blood sampling sealing shroud 15 along this core bore penetrate pipe close when, blood sampling sealing shroud 15 compressed axially Compression radial distorted dilatating and deformable, just with this core bore inner hole wall extrusion friction, will not more allow blood-collecting needle tube 12 to deviate from blood sample This collecting pipe pipe close.Cylindrical cavity 33 is located at the rear and its rear end of annular seal space 32 and opens, and 2 pipe close of blood sample collection pipe exists In the cylindrical cavity 33, the length of cylindrical cavity 32 is nested with empty in tubular front sleeve less than the length of blood sample collection pipe 2 The afterbody of the blood sample collection pipe 2 in chamber 32 is exposed outside cylindrical cavity.Blood sample collection pipe pipe close is by seal rubber plug 22 Constitute with protection cap 23, in collecting pipe tube chamber, the lid plug of protection cap 23 is in the collecting pipe mouth of pipe and fluid sealant for 22 sets of plugs of seal rubber plug Beyond the Great Wall, 2 pipe close aft bulkhead of blood sample collection pipe is with a sealant 21 that can be pierced through by 12 rear end of blood-collecting needle tube, sealant Thickness is 1.5MM, the cylindrical cavity 33 of 2 front end face of blood sample collection pipe with for pierce through this sealant 21 and the front blood for pushing away The accommodating space of sample collection tube 2,33 inwall of cylindrical cavity are circumferentially symmetrically arranged with two and are protected with blood sample collection pipe 2 The construction that elastic card is touched at 23 adaptation of lid, when the two touches state in card, 12 rear end of blood-collecting needle tube is just in be pierced through close Before sealing.Shown in Fig. 4, Fig. 5 is just this state.It is a kind of short arc convex clamping point 38 that this elastic card touches construction, this short arc convex clip Point 38 and protection cap 23 are made up of elastomeric material.Puncture needle tubing tube core, annular seal space, blood-collecting needle tube tube core and pierced sealing Blood sample collection pipe tube chamber after layer constitutes a kind of blood channel.

With reference to Fig. 3, syringe 3 is had along syringe is axially arranged on the position being adapted with blood sample collection protection of pipe lid 23 Used as operation window 35, this operation window 35 has two to a kind of strip grooves, and Relative distribution is in the both sides of syringe 3.Short arc convex clamping point 38 Misplace 90 degree with this operation window 35 and be distributed.

With reference to Fig. 6, Fig. 7, Fig. 8, to puncture and a kind of tactile platform is provided with close syringe 3 that side outer peripheral face of needle tubing 11 34, this 34 bottom surface of tactile platform is provided with a kind of soft deposited wing 4, and this soft 4 both sides of the deposited wing has the span, applies wing bottom surface in a kind of and people The arcs of recesses that body ancon is adapted, applies 4 bottom surface of the wing and arranges viscosity glue point.

When actually used, 3 procapsid of syringe is held by finger, needle tip is pierced in sufferer blood vessel, from annular seal space After 32 observe blood back, first send into toward blood vessel and puncture needle tubing 11, then descend the pressure dressing wing 4, cling in handss to apply glue point on the wing 4 On arm, blood sampling system being held without hand steered, puncturing needle tubing 11 and will not also skid off blood vessel, so, medical worker can vacate both hands, side Medical worker carry out other operation.After seeing blood back, a handss gently help syringe 3 anterior, and another handss are received from blood sample 2 rearward end of collector touches collecting pipe, allows the broken back-end sealing layer 21 of blood taking needle spine, blood sampling needle point to pass seal rubber plug 22, due to Suction function in collecting pipe, blood are flowed rapidly in collecting pipe to the sample amount for requiring, if also needing to carry out multitube blood collection, one Handss pinch 3 front portion of syringe and fix blood sampling system, and another handss pinch collecting pipe by symmetrical elongated operation window 35 on syringe Protective cover 23, pulls out collecting pipe 2, until 12 completely out collecting pipe seal rubber plug 22 of blood-collecting needle tube, pull-out collection of taking advantage of a situation Manage, then change the new collecting pipe of insertion and taken a blood sample.After blood sampling terminates, people's body end puncture needle pipe 11 is first withdrawn from, then exits blood sample This collecting pipe 2, as blood sampling sealing shroud 15 is longer than blood-collecting needle tube 12 outside blood-collecting needle tube 12, therefore can guarantee that 12 needle point of blood-collecting needle tube not People can be hurt, and during blood sample collection pipe 2 is changed repeatedly, blood sampling sealing shroud 15 also acts as insertion guide effect, Blood sampling needle point will not pierce people, therefore play safety protection function, while 15 resilience of sealing shroud of taking a blood sample is closed, seal blood-collecting needle tube Head, it is to avoid blood pollution.After puncture needle tubing is withdrawn from, and in catheter retaining blood vessel, open transfusion device flow valve and can be carried out Normal infusion is treated.

The not described part of the present embodiment is same as the prior art.

Embodiment two：

With reference to Fig. 9, Figure 10, Figure 11, the remaining needle with syringe-type vacuum blood collector, including conduit tube component and needle tubing group Part.Conduit tube component includes conduit 81, catheter block 82, batching pig 83, extension tube 84 and connecting seat 85 etc..Needle tubing component includes blood vessel Needle tubing 11, blood-collecting needle tube 12, blood sample collection pipe 2 and syringe 3 are punctured, syringe is a hollow barrel-type housing, by medical transparent Material is made, and syringe drive end bearing bracket 6 is in the downwardly extending wedge shape that contracts in one kind, and the upper contracting end of the tapered ramp is handed over the outer peripheral face of syringe Fork, the lower extending end of the tapered ramp is near syringe outer peripheral face（I.e. near case inside edge）Position form a kind of small boss A31, boss A31 central authorities arrange and puncture 11 installation through-hole of needle tubing, puncture needle tubing 11 through installation through-hole and the installation through-hole rear , the Paracentesis needle holder 13 of 3 inner chamber leading section of syringe it is affixed, puncture needle tubing 11 with 3 center parallel of syringe but decentered distribution, the needle tubing Needle point and needle tubing major part it is exposed outer and through batching pig 83 in syringe 3, by 82 inner chamber of catheter block, through conduit 81, it is sophisticated that needle point exposes conduit 81.There is inside syringe 3 annular seal space 32 and a cylindrical cavity 33, wherein annular seal space 32 is located at Syringe front end, the tube core for puncturing needle tubing 11 are connected with the annular seal space 32.13 relative syringe 3 of Paracentesis needle holder is an individual member, It is made up of medical transparent material, is placed in the leading section of 3 inner chamber of syringe, its internal closed cavity is annular seal space 32, sealing The rear side of 32 rear wall of chamber has a small boss B131, and, on this boss B131, rear end and needle tubing are big for 12 front end fixation of blood-collecting needle tube Part extends back and is plugged in the pipe close of blood sample collection pipe 2, and the tube core of blood-collecting needle tube 12 is connected with the annular seal space 32, Blood-collecting needle tube 12 is coaxial with cylindrical cavity 33.Blood taking needle 12 is coated with blood sampling sealing shroud 15, in blood sample collection pipe pipe close The heart is provided with the core bore for axially extending to sealant 21, and this core bore internal diameter is more slightly larger than blood sampling 15 external diameter of sealing shroud.So, blood taking needle Pipe 12 with blood sampling sealing shroud 15 along this core bore penetrate pipe close when, blood sampling sealing shroud 15 be subject to axial compression compression radial distorted expand Deformation is opened, just with this core bore inner hole wall extrusion friction, will not more allow blood-collecting needle tube 12 to deviate from blood sample collection pipe pipe close.Cylinder Shape cavity 33 is located at the rear and its rear end of annular seal space 32 and opens, and 2 pipe close of blood sample collection pipe is in front sleeve in the tubular In cavity 33, the length of cylindrical cavity 32 is nested with the blood sample in cylindrical cavity 32 less than the length of blood sample collection pipe 2 The afterbody of this collecting pipe 2 is exposed outside cylindrical cavity.Blood sample collection pipe pipe close is made up of seal rubber plug 22 and protection cap 23, 22 sets of plugs of seal rubber plug in collecting pipe tube chamber, on the collecting pipe mouth of pipe and seal rubber plug, receive the lid plug of protection cap 23 by blood sample 2 pipe close aft bulkhead of collector with one can by 12 rear end of blood-collecting needle tube pierce through sealant 21, sealant thickness be 1.5MM, blood The cylindrical cavity 33 of 2 front end face of sample collection tube is with to pierce through this sealant 21 and the front blood sample collection pipe 2 for pushing away is accommodating Space, 33 inwall of cylindrical cavity be circumferentially symmetrically arranged with two be adapted to 2 protection cap 23 of blood sample collection pipe place elasticity The construction that card is touched, when the two touches state in card, 12 rear end of blood-collecting needle tube is just before sealant to be pierced through.Figure 10, figure Shown in 115 is just this state.It is a kind of short arc convex clamping point 38, this short arc convex clamping point 38 and protection that this elastic card touches construction Lid 23 is made up of elastomeric material.Puncture the blood sample after needle tubing tube core, annular seal space, blood-collecting needle tube tube core and pierced sealant This collecting pipe tube chamber constitutes a kind of blood channel.

It is with reference to Fig. 9, Figure 12, axially extending on 3 side wall of syringe to have a kind of sliding groove 36 of tail end closing, Paracentesis needle holder push handle 132 dash forward passes this sliding groove 36 and is exposed at outside syringe 3.This sliding groove 36 extends to 3 rear portion of syringe from 3 front portion of syringe, set The protection cap 23 for putting the blood sample collection pipe 2 in cylindrical cavity 33 is located in the length of interval of the sliding groove 36, therefore, should Sliding groove 36 is operation window 35 simultaneously again.Length of the axial length of 3 inner chamber of syringe more than the exposed puncture needle tubing 11 outside syringe 3 Degree, puncture needle tubing 11, Paracentesis needle holder 13, blood-collecting needle tube 12 or even blood sample collection pipe 2 constitute one kind can be with respect to syringe 3 after The dynamic slide unit of back skating.

With reference to Figure 12, at the end of blood sampling, along this 36 pusher Paracentesis needle holder 13 of sliding groove and needle tubing 11 can be punctured, until puncturing Needle tubing 11 is submerged in 3 inner chamber of syringe completely.Blood sample collection pipe 2 can be extracted backward now so as to departed from syringe 3.

With reference to Figure 12, Figure 13, Figure 14, a kind of non-return device is also included, the non-return device is a kind of elastic symmetry closure Tongue piece 5, in 3 inner chamber of syringe in front of Paracentesis needle holder 13, punctures the closure that 11 tail end of needle tubing wore this closure tongue piece 5 Joint portion is simultaneously fixed on Paracentesis needle holder 13.

So, after puncture needle tubing is removed, the former needle tubing 11 that punctures of closure tongue piece 5 elastic reset blocking is exported.Prevent, back to Position slide unit can not before push away.Hurt sb.'s feelings so as to both ensure that the puncture needle tubing 11 for retreating will not be elapsed out again, it is also possible to promote This syringe-type vacuum blood collector single use of the present invention, will not be reused by lawless person.

With reference to Figure 10, Figure 11, to puncture and a kind of soft deposited wing is provided with close syringe 3 that side outer peripheral face of needle tubing 11 4, this soft 4 both sides of the deposited wing has the span, and it is in a kind of arcs of recesses being adapted with human body ancon to apply wing bottom surface, applies 4 bottom surface of the wing and sets Put viscosity glue point.

The not described part of the present embodiment is identical with embodiment one.

Most preferred embodiment：

With reference to Figure 15, Figure 16, the remaining needle with syringe-type vacuum blood collector, including conduit tube component and needle tubing component.Lead Tube assembly includes conduit 81, catheter block 82, batching pig 83, extension tube 84 and connecting seat 85 etc..Needle tubing component is a kind of syringe-type Vacuum blood collector, including vascular puncture needle tubing 11, blood-collecting needle tube 12, blood sample collection pipe 2, syringe 3, the deposited wing 4, closure tongue piece 5th, drive end bearing bracket 6 and the telescopic protective cover being set in together that slided by fixed cover 71 and slip cap 72.Syringe 3 is a hollow circuit cylinder Shape barrel-type casing, is made up of medical transparent material.Drive end bearing bracket 6 be located at syringe 3 in front of and with telescopic protective cover in fixed cover 71 Affixed, the size such as 6 rear end outer peripheral face of drive end bearing bracket and 3 outer peripheral face of syringe smoothly transits, 6 leading section of drive end bearing bracket in one kind on contract under stretch Wedge shape, upper contracting end and the outer peripheral face of 6 rear end of drive end bearing bracket of the tapered ramp intersect, and the lower extending end of the tapered ramp is near front 6 outer peripheral face of end cap（I.e. near case inside edge）Position form a kind of small boss A31, boss A31 central authorities arrange puncture needle 11 installation through-hole of pipe, punctures needle tubing 11 and passes through installation through-hole and axially walk and be finally fixed at puncture needle along 72 inner chamber of slip cap On seat, Paracentesis needle holder 13 it is affixed with 3 leading section of syringe or with 3 Construction integration of syringe.This position also is located at 72 tail end of slip cap.Wear Pricker pipe 11 and 3 center parallel of syringe but decentered distribution, the major part of the needle point and needle tubing of the needle tubing are exposed outside syringe 3 And batching pig 83 is passed through, by 82 inner chamber of catheter block, through conduit 81, it is sophisticated that needle point exposes conduit 81.Have one inside syringe 3 Telescopic protective cover chamber 37, an annular seal space 32 and a cylindrical cavity 33, have a partition, in front of this partition are in the middle part of 3 inner chamber of syringe Telescopic protective cover chamber 37, this partition rear are annular seal space 32 and cylindrical cavity 33, and annular seal space 32 is in front of cylindrical cavity 33.Wear The tube core of pricker pipe 11 is connected with the annular seal space 32.13 side of Paracentesis needle holder is in open recesses this partition with 3 inner chamber of syringe Rear side sealing paste is touched, and the cavity for being formed is annular seal space 32, and the opposite side wall of the annular seal space 32 is annular seal space rear wall, sealing The rear side of 32 rear wall of chamber has a small boss B131, and, on this boss B131, rear end and needle tubing are big for 12 front end fixation of blood-collecting needle tube Part extends back and is plugged in the pipe close of blood sample collection pipe 2, and the tube core of blood-collecting needle tube 12 is connected with the annular seal space 32, Blood-collecting needle tube 12 is coaxial with cylindrical cavity 33.Blood taking needle 12 is coated with blood sampling sealing shroud 15, in blood sample collection pipe pipe close The heart is provided with the core bore for axially extending to sealant 21, and this core bore internal diameter is more slightly larger than blood sampling 15 external diameter of sealing shroud.So, blood taking needle Pipe 12 with blood sampling sealing shroud 15 along this core bore penetrate pipe close when, blood sampling sealing shroud 15 be subject to axial compression compression radial distorted expand Deformation is opened, just with this core bore inner hole wall extrusion friction, will not more allow blood-collecting needle tube 12 to deviate from blood sample collection pipe pipe close.Cylinder Shape cavity 33 is located at the rear and its rear end of annular seal space 32 and opens, and 2 pipe close of blood sample collection pipe is in front screw-casing in the cylinder In shape cavity 33, the length of cylindrical cavity 32 is less than the length of blood sample collection pipe 2, the blood being nested with cylindrical cavity 32 The afterbody of sample collection tube 2 is exposed outside cylindrical cavity.Blood sample collection pipe pipe close is by 23 groups of seal rubber plug 22 and protection cap Into 22 sets of plugs of seal rubber plug in collecting pipe tube chamber, fill on the collecting pipe mouth of pipe and seal rubber plug, blood sample by the lid of protection cap 23 2 pipe close aft bulkhead of collecting pipe with one can by 12 rear end of blood-collecting needle tube pierce through sealant 21, sealant thickness be 1.5MM, blood The cylindrical cavity 33 of 2 front end face of liquid sample collection tube is with to pierce through this sealant 21 and the front blood sample collection pipe 2 for pushing away holds The space put.33 inwall of cylindrical cavity is circumferentially symmetrically arranged with and is adapted to place's elastic card with 2 protection cap 23 of blood sample collection pipe Tactile construction, when the two touches state in card, 12 rear end of blood-collecting needle tube is just before sealant to be pierced through.This elastic card is touched Construction is a kind of short arc convex clamping point 38, and this short arc convex clamping point 38 and protection cap 23 are made up of elastomeric material.Puncture needle tubing tube core, Blood sample collection pipe tube chamber after annular seal space, blood-collecting needle tube tube core and pierced sealant constitutes a kind of blood channel.

With reference to Figure 19, slip cap 72, syringe 3, puncture needle tubing 11, Paracentesis needle holder 13 and blood-collecting needle tube 12 or even blood sample This collecting pipe 2 constitutes a kind of relative slide unit for being relatively fixed 71 slip of set.At the end of blood sampling, can pusher syringe 3, slip cap 72 are relatively fixed set 71 with the retrogressing of syringe 3 slides backward, and is also retracted into gradually also with the puncture needle tubing 11 drawn back solid Surely cover in 71 inner chambers, until being submerged in 71 inner chamber of fixed cover completely.Blood sample collection pipe 2 can be extracted backward now so as to Depart from syringe 3.

With reference to Figure 17, Figure 18, a kind of non-return device is also included, the non-return device is a kind of elastic symmetry closure tongue piece 5, In 6 inner chamber of drive end bearing bracket at boss A31 rears, the closure joint portion that 11 tail end of needle tubing wore this closure tongue piece 5 is punctured And be finally fixed on Paracentesis needle holder 13.

So, after puncture needle tubing is removed, the former needle tubing 11 that punctures of closure tongue piece 5 elastic reset blocking is exported.Prevention is backed to Position slide unit can not before push away.Hurt sb.'s feelings so as to both ensure that the puncture needle tubing 11 for retreating will not be elapsed out again, it is also possible to promote This syringe-type vacuum blood collector single use of the present invention, will not be reused by lawless person.

With reference to Figure 15, Figure 16, to puncture and a kind of soft deposited wing is provided with close syringe 3 that side outer peripheral face of needle tubing 11 4, this soft 4 both sides of the deposited wing has the span, and it is in a kind of arcs of recesses being adapted with human body ancon to apply wing bottom surface, applies 4 bottom surface of the wing and sets Put viscosity glue point.

Claims

1. there is the remaining needle of syringe-type vacuum blood collector, including conduit tube component and needle tubing component, conduit tube component includes conduit, leads Base, batching pig, extension tube, connecting seat and closeouts, it is characterised in that：Needle tubing component is a kind of vacuum blood collector, including blood Pipe punctures needle tubing, blood-collecting needle tube, blood sample collection pipe and syringe, and the tail end of vascular puncture needle tubing is near syringe outer peripheral face Mode bias is plugged on the anterior Paracentesis needle holder of syringe, and the major part of the needle point and needle tubing of the needle tubing is exposed outside syringe And pass through batching pig, by catheter block inner chamber, through conduit, needle point exposes catheter tip, inside syringe have an annular seal space and Before one cylindrical cavity, wherein annular seal space are located at cylindrical cavity, the tube core of vascular puncture needle tubing is connected with the annular seal space, blood-collecting needle tube Front end be installed with the capsule walls, rear end and needle tubing major part extend back and are plugged on the pipe close of blood sample collection pipe In, the tube core of blood-collecting needle tube is connected with the annular seal space, and cylindrical cavity is located at the rear and its rear end of annular seal space and opens, blood sample This collecting pipe pipe close is nested with the cylindrical cavity in the way of removable front, blood sample collection pipe pipe close aft bulkhead tool The cylindrical cavity for having a sealant that can be pierced through by blood-collecting needle tube rear end, blood sample collection pipe front end face has to pierce through this Sealant and space that the front blood sample collection tube capacity for pushing away is put, vascular puncture needle tubing tube core, annular seal space, blood-collecting needle tube tube core with And the blood sample collection pipe tube chamber after pierced sealant constitutes a kind of blood channel；Near syringe outer peripheral face arrangement and forward The vascular puncture needle tubing of extension and the center parallel of syringe；

With the construction being adapted with blood sample collection pipe pipe close in cylindrical cavity, this construction not only facilitates blood sample collection The loading and taking-up of pipe, while and the annexation to be formed compared with consolidation that is connected with blood sample collection pipe pipe close；Tubular is empty The construction that intracavity is adapted with pipe close is a kind of circumferentially distributed or symmetrical elastic card of a plurality of inwalls along cylindrical cavity Tactile construction, the construction that is adapted of another kind are the L-shaped grooves that are produced on pipe close outer peripheral face and are produced on cylindrical cavity inwall On prominent salient point, the prominent salient point enters from the termination of the L-shaped groove vertical section positioned at pipe close front end face and L-shaped groove can slide wherein Dynamic, when cylindrical cavity inwall is touched with pipe close elastic card, reaching during the prominent salient point has been enter into the vertical section in L-shaped groove but not yet should The bottom of vertical section, now blood-collecting needle tube rear end just before sealant to be pierced through, when sinciput blood sample collection pipe is to adopting After blood needle tubing pierces through sealant, the prominent salient point just reaches the bottom of the vertical section, now rotates blood sample collection pipe, and this is prominent convex Point is into the cross break section in L-shaped groove.

2. the remaining needle with syringe-type vacuum blood collector according to claim 1, it is characterised in that anterior close of syringe Envelope chamber is a kind of blood back cavity, and on the position that syringe outer peripheral face is adapted with the annular seal space perspective portion with observable blood back.

3. the remaining needle with syringe-type vacuum blood collector according to claim 1, it is characterised in that syringe leading section is in Contract in one kind downwardly extending wedge shape, and vascular puncture needle tubing is affixed with syringe in the lower extending end head of the wedge shape, the perspective of observable blood back Portion is located on the inclined-plane of the wedge shape.

4. the remaining needle with syringe-type vacuum blood collector according to claim 3, it is characterised in that the tapered ramp Upper contracting end is intersected with the outer peripheral face of syringe, and the lower extending end of the tapered ramp is forming a kind of little convex near the position of syringe outer peripheral face Platform A, vascular puncture needle tubing tail end are affixed with syringe by this boss A.

5. the remaining needle with syringe-type vacuum blood collector according to claim 1, it is characterised in that cover after annular seal space With a small boss B, the fixation of blood-collecting needle tube front end is on this boss B.

6. the remaining needle with syringe-type vacuum blood collector according to claim 1, it is characterised in that blood-collecting needle tube and pin Cylinder arranged concentric, and extend along syringe center back.

7. the remaining needle with syringe-type vacuum blood collector according to claim 1, it is characterised in that cylindrical cavity has Front bulkhead, has interval, extends rearwardly through this cylindrical cavity front bulkhead between the annular seal space bonnet and cylindrical cavity front bulkhead Blood-collecting needle tube simultaneously bearing on the cylindrical cavity front bulkhead.

8. the remaining needle with syringe-type vacuum blood collector according to claim 1 or 6, it is characterised in that blood-collecting needle tube Blood sampling sealing shroud is coated with, blood sample collection pipe pipe close is provided centrally with axially extending to the core bore of sealant, this core bore Internal diameter than blood sampling sealing shroud external diameter it is slightly larger, blood-collecting needle tube band with blood sampling sealing shroud along this core bore penetrate pipe close when, take a blood sample sealing shroud By axial compression compression radial distorted dilatating and deformable, with this core bore inner hole wall extrusion friction.

9. the remaining needle with syringe-type vacuum blood collector according to claim 1, it is characterised in that blood sample collection Pipe pipe close sealant thickness is 0.5-3mm.

10. the remaining needle with syringe-type vacuum blood collector according to claim 9, it is characterised in that blood sample is received Collector pipe close sealant thickness is 0.5-1.5mm.

11. remaining needles with syringe-type vacuum blood collector according to claim 1, it is characterised in that blood sample is received Collector is plugged in cylindrical cavity, and the construction being adapted is a kind of construction of interference fits connection in size.

12. remaining needles with syringe-type vacuum blood collector according to claim 1, it is characterised in that in cylindrical cavity Wall is circumferentially symmetrically arranged with the construction for being adapted to that with blood sample collection pipe pipe close place's elastic card is touched, when the two touches state in card When, construction cylindrical cavity inwall and pipe close shape are touched via this elastic card just before sealant to be pierced through in blood-collecting needle tube rear end Into elastic urgent connection status, but this elastic drag is less than the axial force for applying manually.

13. remaining needles with syringe-type vacuum blood collector according to claim 12, it is characterised in that this elastic card is touched Construction is a kind of short arc convex clamping point, and this short arc convex clamping point or blood sample collection pipe pipe close are made up of elastomeric material.

14. remaining needles with syringe-type vacuum blood collector according to claim 13, it is characterised in that this short arc is convex Stuck point is a kind of convex salient point on cylindrical cavity inwall of dashing forward, and thickness is low shallow and side has and is easy to pipe close to creep what is passed through in front and back Arc-shaped transition.

15. remaining needles with syringe-type vacuum blood collector according to claim 1, it is characterised in that blood sample is received Collector is threaded in cylindrical cavity, and the construction being adapted is a kind of threaded connection configuration.

16. remaining needles with syringe-type vacuum blood collector according to claim 1, it is characterised in that blood sample is received Collector pipe close is made up of seal rubber plug and protection cap, and, in collecting pipe tube chamber, protection cap lid plug is in collecting pipe for fluid sealant plug sleeve plug On the mouth of pipe and seal rubber plug.

17. remaining needles with syringe-type vacuum blood collector according to claim 1, it is characterised in that cylindrical cavity Length of the length less than blood sample collection pipe, the afterbody of the blood sample collection pipe being nested with cylindrical cavity are exposed in tubular Outside cavity.

18. remaining needles with syringe-type vacuum blood collector according to claim 1, it is characterised in that syringe with blood It is contained on the position being adapted in syringe in liquid sample collection tube pipe close and there are a kind of strip grooves as operation along syringe is axially arranged Window, this operation window have two, and Relative distribution is in the both sides of syringe.

19. remaining needles with syringe-type vacuum blood collector according to claim 1, it is characterised in that puncture needle seat In the syringe inner chamber on the inside of syringe front bulkhead, Paracentesis needle holder inner chamber is annular seal space, axially extending in barrel sidewall to have one kind Tail end is provided with the sliding groove for retreating obstacle, and Paracentesis needle holder push handle is prominent to be passed this sliding groove and be exposed at outside syringe, syringe inner chamber Axial length punctures needle tubing, Paracentesis needle holder, blood-collecting needle tube or even collecting pipe more than the length of the exposed puncture needle tubing outside syringe Composition is a kind of can to retreat the slide unit for sliding with respect to syringe, retract in syringe as the retrogressing of slide unit punctures needle tubing In chamber.

20. remaining needles with syringe-type vacuum blood collector according to claim 1, it is characterised in that puncture needle seat In the syringe inner chamber on the inside of syringe front bulkhead, Paracentesis needle holder inner chamber is annular seal space, axially extending in barrel sidewall to have one kind Tail end is provided with the sliding groove for retreating obstacle, and Paracentesis needle holder push handle is prominent to be passed this sliding groove and be exposed at outside syringe, syringe inner chamber Axial length punctures needle tubing, Paracentesis needle holder, blood-collecting needle tube or even collecting pipe more than the length of the exposed puncture needle tubing outside syringe Composition is a kind of can to retreat the slide unit for sliding with respect to syringe, retract in syringe as the retrogressing of slide unit punctures needle tubing In chamber, a kind of non-return device is also included, this non-return device is arranged between slide unit and syringe, retreated to puncture needle tubing contracting If push away before returning to the slide unit in syringe inner chamber inversely prevent contact with this non-return device.

21. remaining needles with syringe-type vacuum blood collector according to claim 20, it is characterised in that the non-return device It is a kind of elastic symmetry closure tongue piece, in the syringe inner chamber in front of Paracentesis needle holder, puncture needle tubing tail end wore this and closes Close the closure joint portion of tongue piece and be fixed on Paracentesis needle holder, after puncture needle tubing is removed, the former puncture needle of tongue piece elastic reset blocking Pipe is exported.

22. remaining needles with syringe-type vacuum blood collector according to claim 21, it is characterised in that the non-return device It is made up of Elastic buckle and pit, Elastic buckle is located on syringe, pit is located on slide unit, retreats slide unit in place Its pit just with Elastic buckle clamping, so as to prevent puncture needle tubing before push away.

23. remaining needles with syringe-type vacuum blood collector according to claim 22, it is characterised in that the Elastic buckle It is made up of the buckle of elastic suspended tongue and outstanding tongue top, is emptied along the interval parallel with sliding groove near syringe sliding groove tail end And allow this to empty to wear in sliding groove tail end and sliding groove " u "-shaped company, this " u "-shaped central authorities forms an elastic suspended tongue, and buckle is located at This elastic suspended tongue top is simultaneously prominent convex in sliding groove, and pit is located in the push handle of Paracentesis needle holder, along sliding groove retrogressing wearing in place Pricker seat push handle, its pit just with this buckle clamping.

24. remaining needles with syringe-type vacuum blood collector according to claim 1, it is characterised in that also include one The telescopic protective cover being set in together that slided by fixed cover and slip cap is planted, syringe is affixed with slip cap tail end, puncture needle seat In slip cap tail end and affixed with syringe, Paracentesis needle holder inner chamber is annular seal space, punctures needle tubing and axially walks along slip cap inner chamber And be finally fixed on Paracentesis needle holder, slip cap, syringe, puncture needle tubing, Paracentesis needle holder and blood-collecting needle tube or even blood sample Collecting pipe composition is a kind of to be relatively fixed the slide unit that set slides, and retracts to fixed cover as the retrogressing of slide unit punctures needle tubing In inner chamber.

25. remaining needles with syringe-type vacuum blood collector according to claim 1, it is characterised in that also include one The telescopic protective cover and a kind of non-return device being set in together that slided by fixed cover and slip cap is planted, syringe is solid with slip cap tail end Connect, Paracentesis needle holder is positioned at slip cap tail end and affixed with syringe, Paracentesis needle holder inner chamber is annular seal space, needle tubing is punctured along slip cap Inner chamber is axially walked and is finally fixed on Paracentesis needle holder, slip cap, syringe, puncture needle tubing, Paracentesis needle holder and blood-collecting needle tube Or even a kind of slide unit for being relatively fixed set slip of blood sample collection pipe composition, as the retrogressing of slide unit punctures needle tubing Retract in fixed cover inner chamber, this non-return device is arranged between slide unit and fixed cover, retreat to puncture needle tubing and be retracted into Contact if pushing away before the slide unit in fixed cover inner chamber is reverse and will produce prevention property with this non-return device.

26. remaining needles with syringe-type vacuum blood collector according to claim 25, it is characterised in that the non-return device It is a kind of elastic symmetry closure tongue piece, in front of Paracentesis needle holder, in the inner chamber of fixed cover front bulkhead, punctures needle tubing tail end and wear Covered the closure joint portion of this closure tongue piece and be fixed on Paracentesis needle holder, after puncture needle tubing is removed, the blocking of tongue piece elastic reset It is former to puncture barrel outlet.

27. remaining needles with syringe-type vacuum blood collector according to claim 24 or 25, it is characterised in that also include There is a kind of drive end bearing bracket, this drive end bearing bracket is in front of syringe and affixed with fixed cover, and drive end bearing bracket outer peripheral face is smooth with syringe outer peripheral face Transition.