CN103222870B - A kind of blood collection auxiliary device - Google Patents
A kind of blood collection auxiliary device Download PDFInfo
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- CN103222870B CN103222870B CN201310182321.3A CN201310182321A CN103222870B CN 103222870 B CN103222870 B CN 103222870B CN 201310182321 A CN201310182321 A CN 201310182321A CN 103222870 B CN103222870 B CN 103222870B
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Abstract
The present invention discloses a kind of blood collection auxiliary device, comprise housing and be arranged on blood taking needle placing mechanism in housing, blood taking tube placing mechanism, intercept separating mechanism, detent mechanism, trigger mechanism, described obstruct separating mechanism is provided with and only intercepts after mechanism and blood sampling by the separating mechanism that blood taking needle placing mechanism is separated with blood taking tube placing mechanism under trigger mechanism effect for the pipe close puncture needle body blood sampling of passing of blood taking needle, and described detent mechanism is used for blood taking needle placing mechanism and/or blood taking tube placing mechanism and housing to fix in real time.Blood collection auxiliary device of the present invention makes pipe close puncture needle body after blood sampling be separated smoothly with pipe close, avoid occurring problem that is too fast because of haemostatic sheath resilience or that cause blood splashing excessively slowly and make collection of specimens failure and medical worker, patient and operating environment are polluted, once blood sampling just can collect required blood sample amount, and blood collection procedure safely, efficiently, accurately.
Description
Technical field
The present invention relates to a kind of medical blood taking equipment technical field, particularly relate to a kind of safe blood collection auxiliary device.
Background technology
At present, hospital's blood sampling system mainly comprises blood taking tube A and blood taking needle B, and wherein, blood taking tube A comprises body A1 and plug A2, also with safety helmet A3 when needing, refers to Fig. 1; See Fig. 2, blood taking needle B mainly comprises pipe close puncture needle B1, conduit B2 and venipuncture needle B3.Wherein, see Fig. 3, pipe close puncture needle B1 comprises haemostatic sheath B11, pipe close puncture needle body B12.Within the hospital, when adopting existing this blood sampling system to carry out blood collection to patient, pipe close lancet puncture directly enters in the plug of blood taking tube with hands and takes a blood sample by medical worker; Directly pipe close puncture needle is extracted from the plug A2 body A1 with hands again after blood sampling., there are some potential safety hazards in this blood sampling system of prior art, as described below:
First, when pulling out pin after blood sampling, when the frictional force between pipe close puncture needle body and plug is greater than the frictional force between plug and body, pipe close puncture needle body is easily made to drive plug to depart from body, cause body to be separated with plug, this consequence that can cause is: 1, cause blood collection failure; 2, make the blood in blood taking tube body trickle out, pollute medical worker, patient and operating environment.
Secondly, when pulling out pin after blood sampling, when frictional force between pipe close puncture needle body and plug is less than haemostatic sheath resilience force, easily occur that plug and the pipe close needle body that punctures departs from advance, there is the problem that haemostatic sheath resilience is too fast, this consequence that can cause is: 1, need secondary even repeatedly to puncture, and adds the workload of medical worker; 2, the pollution of blood preparation itself and the probability to medical worker, ambient contamination is increased.
As can be seen here; how prior art is improved; a kind of blood collection auxiliary device is provided; once successfully can complete blood sampling and after blood sampling, make pipe close puncture needle body be separated smoothly with pipe close; to protect the safety of medical worker, patient; and making blood preparation safety, preventing pollution, sampling quantity accurate, this is this area technical issues that need to address.
Summary of the invention
The object of the invention is to, a kind of blood collection auxiliary device is provided, blood collection procedure safety can be made, successfully carry out.
For solving above technical problem, technical scheme of the present invention is:
A kind of blood collection auxiliary device, comprise housing and be arranged on blood taking needle placing mechanism in housing, blood taking tube placing mechanism, intercept separating mechanism, detent mechanism, trigger mechanism, described obstruct separating mechanism is provided with and only intercepts after mechanism and blood sampling by the separating mechanism that blood taking needle placing mechanism is separated with blood taking tube placing mechanism under trigger mechanism effect for the pipe close puncture needle body blood sampling of passing of blood taking needle, and described detent mechanism is used for blood taking needle placing mechanism and/or blood taking tube placing mechanism and housing to fix in real time.
In the technical program, can be set to: blood taking tube placing mechanism is flexibly connected with housing and blood taking needle placing mechanism is fixedly connected with housing, blood taking tube placing mechanism is made to move before blood sampling, and blood taking needle placing mechanism is motionless, when blood taking tube placing mechanism moves to and makes the pipe close of blood taking needle puncture needle body enter the position in blood taking tube body through pipe close, by detent mechanism, blood taking tube placing mechanism and housing are located fixing, after having taken a blood sample, act on the location of detent mechanism releasing to blood taking tube placing mechanism, under the trigger action of trigger mechanism, intercept separating mechanism make blood taking tube placing mechanism move away from blood taking needle placing mechanism and make the two be separated.Equally, also can be set to; Blood taking needle placing mechanism is flexibly connected with housing, and blood taking tube placing mechanism and housing are fixed, blood taking needle placing mechanism is moved near blood taking tube placing mechanism, is located and after blood sampling, move away from blood taking tube placing mechanism and make the two be separated when taking a blood sample by detent mechanism with housing before blood sampling; Also can be set to: blood taking needle placing mechanism and blood taking tube placing mechanism are all flexibly connected in housing, all by detent mechanism and housing located both when the two moves close, blood sampling in opposite directions before blood sampling simultaneously and fix, and in blood sampling afterwards by acting on detent mechanism, both releasings are fixing with housing, and the two all oppositely moves, be separated, be returned to original position.
Preferably, described housing comprises base and the over cap with base engagement, and described over cap is connected opening or closing with described base.
Preferably, described blood taking tube placing mechanism is connected by guiding mechanism with described housing, described blood taking tube placing mechanism to move and close to or away from described blood taking needle placing mechanism along the guide groove of described guiding mechanism in described housing, described blood taking needle placing mechanism is fixedly connected with described housing, and described detent mechanism is used for described blood taking tube placing mechanism and described housing being fixed when taking a blood sample.
Preferably, described guiding mechanism also comprises the guide rail coordinated with guide groove, and described guide rail is arranged on the housing, and described guide groove is arranged on described blood taking tube placing mechanism; Or described guide rail is arranged on blood taking tube placing mechanism, described guide groove is arranged on the housing.Preferably; described housing comprises base and the over cap with base engagement; described guide groove is arranged on described base and described guide rail is arranged on described blood taking tube placing mechanism or described guide rail is arranged on described blood taking tube placing mechanism, and described guide groove is arranged on described base.
Preferably, described detent mechanism is positioning knob, and described blood taking tube placing mechanism is provided with screwed hole, and described positioning knob is screwed in described screwed hole, and described positioning knob abuts with described housing when precession inner to described screwed hole.
Preferably, described blood taking tube placing mechanism comprises the blood taking tube formed by blood taking tube upper bracket and blood taking tube lower carriage and lays chamber, described blood taking tube is laid in chamber and is provided with opening near the one end intercepting separating mechanism, described obstruct separating mechanism comprises the push pedal arranged near described opening and the baffle plate being positioned at described push pedal opposite side, the top of described push pedal is provided with only for the blood sampling hole that the pipe close puncture needle body of blood taking needle passes through, and the top of described push pedal intercepts mechanism as described blood sampling; The bottom of described push pedal is provided with guide rod and buckle near the one side of blood taking needle placing mechanism, and described guide rod overlaps flexible; Described baffle plate is provided with and the described draw-in groove be clasped and the gathering sill only supplying described guide rod to pass through, described buckle is through described draw-in groove and with described trigger mechanism vicinity or contact, and the bottom of described push pedal and described guide rod, described elastic component, described buckle and described baffle plate are as described separating mechanism.Preferably, described detent mechanism is positioning knob, and the side of described blood taking tube lower carriage is provided with screwed hole, and described positioning knob is screwed in described screwed hole, and described positioning knob abuts with housing when precession inner to described screwed hole.
Preferably, described blood taking tube placing mechanism is provided with the curved button of clamping and deck, the curved button bit of described clamping on described blood taking tube upper bracket and described deck is positioned on described blood taking tube lower carriage or the curved button bit of described clamping on described blood taking tube lower carriage and described deck is positioned on described blood taking tube upper bracket, described deck is longitudinally provided with multiple buckling groove, and the curved button of described clamping can stretch in different buckling grooves and form the blood taking tube varied in size and lay chamber.Preferably, one end of described blood taking tube upper bracket is connected with pin-and-hole by pin with one end of described blood taking tube lower carriage, the other end of described blood taking tube upper bracket arranges deck or clamping is curved buckles, and the other end of described blood taking tube lower carriage arranges that the clamping corresponding with described deck is curved buckles or buckle corresponding deck with described clamping is curved.
Preferably, described housing is provided with locating groove and stopper slot, and the end of described baffle plate is stretched in described locating groove and located, and the end of described push pedal is stretched in described stopper slot limited.Preferably, described housing comprises over cap and base, and described locating groove and described stopper slot are arranged on described base.
Preferably, described trigger mechanism is button, and described button is provided with the press-side extend out to outside described housing and the trigger end be connected with described press-side, and the free end of described trigger end is contiguous with described buckle or contact.
As another embodiment of blood taking tube placing mechanism, described blood taking tube placing mechanism comprises blood taking tube and lays chamber, described blood taking tube is laid in chamber and is provided with near the end plate top of described obstruct separating mechanism only for the blood sampling hole that the pipe close puncture needle body of blood taking needle passes through, the bottom of described end plate is provided with guide rod and buckle near the one side of blood taking needle placing mechanism, described guide rod overlaps flexible, the top of described end plate intercepts mechanism as described blood sampling, described obstruct separating mechanism also comprises the baffle plate be arranged between described push pedal and described blood taking needle placing mechanism, described baffle plate is provided with and the described draw-in groove be clasped and the gathering sill only supplying guide rod to pass through, described buckle is through described draw-in groove and with described trigger mechanism vicinity or contact, the bottom of described end plate, described push pedal, described guide rod, described elastic component, described buckle is as described separating mechanism.
Be connected by guiding mechanism with housing as blood taking tube placing mechanism, alternate embodiments that blood taking needle placing mechanism and housing fix this technical scheme, described blood taking tube placing mechanism is fixedly connected with housing, described blood taking tube placing mechanism is fixedly connected with described housing, described blood taking needle placing mechanism is connected by described guiding mechanism with described housing, and to move and close to or away from described blood taking tube placing mechanism along the guide groove of described guiding mechanism in described housing, described detent mechanism is used for described blood taking needle placing mechanism and described housing being fixed when taking a blood sample; Described motivation structure of leading also comprises the guide rail coordinated with described guide groove, and described guide rail is arranged on housing and described guide groove is arranged on blood taking needle placing mechanism or described guide rail is arranged on blood taking needle placing mechanism and described guide groove is arranged on the housing.
Preferably, described blood taking tube placing mechanism is provided with the graduated tile for labelling blood sampling volume, and described housing and graduated tile corresponding position are provided with visual window.
Preferably, described base comprises adjacent left base and right base.
Compared with prior art, blood collection auxiliary device of the present invention is owing to comprising housing and being arranged on the blood taking needle placing mechanism in housing, blood taking tube placing mechanism, intercept separating mechanism, detent mechanism, trigger mechanism, the obstruct separating mechanism arranged is provided with and only intercepts separating mechanism that blood taking needle placing mechanism is separated with blood taking tube placing mechanism after mechanism and blood sampling under trigger mechanism effect for the pipe close puncture needle body blood sampling of passing of blood taking needle, make like this plug of blood taking tube and blood taking needle to be separated during blood sampling, after blood sampling, make blood taking tube placing mechanism be separated with blood taking needle placing mechanism, avoid occurring that plug is taken away and makes the phenomenon that plug is separated with blood taking tube body by pipe close puncture needle body, owing to arranging detent mechanism and trigger mechanism, blood taking needle placing mechanism and/or blood taking tube placing mechanism and housing can be fixed when taking a blood sample and after blood sampling by detent mechanism in real time, thus after blood sampling completes, manual control detent mechanism, trigger mechanism and the protection by housing can be passed through, avoid occurring problem that is too fast because of haemostatic sheath resilience or that cause blood splashing excessively slowly and make collection of specimens failure and medical worker, patient and operating environment are polluted, blood collection procedure can be carried out safely smoothly.In addition, owing to arranging trigger mechanism, detent mechanism manipulates blood sampling, decreases medical worker in blood collection procedure and directly contacts the chance of blood taking tube and blood taking needle, more convenient to operate and safe and reliable.
Accompanying drawing explanation
Fig. 1 is the decomposition texture schematic diagram of blood taking tube in prior art;
Fig. 2 is the structural representation of blood taking needle in prior art;
Fig. 3 is the decomposition texture schematic diagram of pipe close puncture needle in Fig. 2;
Fig. 4 is the overall structure schematic diagram of blood collection auxiliary device embodiment of the present invention;
Fig. 5 is that in Fig. 4, blood collection auxiliary device opens the structural representation after over cap;
Fig. 6 is the enlarged drawing at I place in Fig. 5;
Fig. 7 is the B-B sectional view of blood collection auxiliary device in Fig. 5;
Fig. 8 is the enlarged drawing at II place in Fig. 7;
Fig. 9 is the decomposition texture schematic diagram of blood collection auxiliary device in Fig. 4;
Figure 10 is the A-A sectional view (before blood sampling) of blood collection auxiliary device in Fig. 4;
Figure 11 is the A-A sectional view (in blood sampling) of blood collection auxiliary device in Fig. 4;
Figure 12 is the A-A sectional view (after blood sampling moment) of blood collection auxiliary device in Fig. 4;
In figure, arrow direction is force direction.
Detailed description of the invention
For making technical scheme of the present invention clearly, below in conjunction with accompanying drawing, by specific embodiment, the present invention is described in detail.
For in blood collection procedure in prior art and blood collection terminate after owing to directly contacting the problem of pollution that blood taking tube body and blood taking needle pipe close puncture needle cause and blood specimen collection failure with hands, the invention provides a kind of blood collection auxiliary device, avoid because haemostatic sheath resilience is too fast, pipe close is separated the collection of specimens failure and pollution on the environment problem that cause.
See Fig. 4 ~ Figure 12, the blood collection auxiliary device of the present embodiment comprises housing, arranges blood taking tube placing mechanism and blood taking needle placing mechanism in the housing and intercepts separating mechanism, detent mechanism, trigger mechanism.Wherein, housing comprise base and with base engagement can the over cap 4 of folding; Base comprises left base 2, right base 3, and left base 2 and right base 3 are antitropies, are assembled fastening by screw.Over cap 4 is coordinated with left base 2 and right base 3 with coordinating of pin by pin-and-hole.Certainly, in other embodiments, other mode also can be adopted to make over cap and left base, right base engagement, as long as make over cap and left base, right base close and to open.
Blood taking tube placing mechanism comprises blood taking tube upper bracket 7 and blood taking tube lower carriage 5.Blood taking tube lower carriage 5 comprises bottom, is arranged on the end plate of rear end, bottom, and this end plate can block the bottom of blood taking tube; The upper surface of bottom is provided with arc elongated slot, is convenient to coordinate with the outer surface of blood taking tube.Blood taking tube upper bracket 7 is the plate body of an arch, and the lower surface of this plate body is provided with arc elongated slot, is convenient to coordinate with the outer surface of blood taking tube.Form the cavity of front opening after blood taking tube upper bracket 7 is closed with blood taking tube lower carriage 5, for holding, laying blood taking tube, and the plug of blood taking tube or safety helmet are exposed in housing cavity.Blood taking tube lower carriage 5 side is provided with pin-and-hole 51, the side of blood taking tube upper bracket 7 is provided with pin 71, the side of blood taking tube upper bracket 7 is connected with the pin-and-hole 51 of blood taking tube lower carriage is rotating by pin 71, the opposite side of blood taking tube lower carriage 5 is provided with deck 52, deck 52 is provided with multiple buckling groove 52a from top to bottom, the opposite side of blood taking tube upper bracket 7 is provided with that clamping is curved buckles 72, the curved button 72 of clamping can extend in the buckling groove 52a of deck 52, and blood taking tube upper bracket 7 is connected with this side of blood taking tube lower carriage 5, the curved button of clamping is connected with different cards access slot, make it possible to the size regulating blood taking tube upper bracket 7 and the closed rear inner space formed of blood taking tube lower carriage 5 according to the actual size of blood taking tube, the blood taking tube of different size can be applicable to.The side that blood taking tube lower carriage 5 arranges pin-and-hole is also provided with graduated tile 53, is used for reading blood sampling volume.Graduated tile 53 exposes outside housing, or is coated in housing, and the over cap of housing is provided with transparency window.The side that blood taking tube lower carriage 5 arranges deck is also provided with screwed hole 54, twist in screwed hole 54 and be connected to a positioning knob 6, as the detent mechanism of the present embodiment, by downward screwed in place knob 6, make the lower end of positioning knob 6 and base contacts and blood taking tube lower carriage 5 is fixed somewhere.
Blood taking tube lower carriage 5 both sides are also respectively equipped with trapezoidal rails 55, the trapezoidal rails 55 of both sides coordinates with the dovetail groove 21,31 on left base 2, right base 3 respectively, and blood taking tube lower carriage 5 and the blood taking tube upper bracket 7 coordinated with it and the blood taking tube be placed in the two closed rear inner space formed can be moved forward and backward by fixing stability-of-path.
Blood taking needle placing mechanism comprises a screwed hole, and a part for this screwed hole is positioned on left base 2, is a screw thread half bore 22, and a part is positioned on right base 3, the threaded engagement of screwed hole and blood taking needle outside, can by blood taking needle and left base 2 and right base 3 fastening.
Dovetail groove 21,31 is elongate slots, is obliquely installed along its length, and namely it is near the one end in blood taking needle retaining thread hole higher than the other end, and this makes when taking a blood sample, and the liquid in blood taking tube is unlikely to flow backward to the mouth of pipe.
Intercept separating mechanism to be used for separating blood taking tube and blood taking needle, only make the pipe close of blood taking needle puncture needle body through thrusting in blood taking tube, after making blood sampling complete, blood taking tube and blood taking needle depart from and blood taking tube placing mechanism are retreated to original position simultaneously.This obstruct separating mechanism comprises push pedal 8 and baffle plate 10.Baffle plate 10 is between push pedal 8 and blood taking needle placing mechanism.The top of push pedal 8 is provided with only for the blood sampling hole 81 that the pipe close puncture needle body of blood taking needle passes, and the top of baffle plate intercepts mechanism as blood sampling; The bottom of push pedal 8 is provided with wedge shape buckle 82 and guide rod 83 near the one side of blood taking needle placing mechanism, guide rod 83 is arranged with spring 9.The both sides of push pedal 8 are also respectively equipped with trapezoidal rails 84, for coordinating with the dovetail groove of left base 2 and right base 3.Baffle plate 10 two ends extend into respectively in the locating groove 23 on left base 2 and the locating groove (not shown) on right base and are located.Baffle plate 10 is provided with the draw-in groove 10a coordinated with wedge shape the buckle 82 and gathering sill 10b only supplying guide rod 83 to pass.Wherein, left base 2 is provided with stopper slot (not marking in figure), right base is provided with stopper slot 32, because inertia continues to move backward after departing from the draw-in groove 10a of baffle plate 10 to stop the wedge shape buckle 82 of push pedal 8.
Trigger mechanism is the button 1 arranged near baffle plate, and button 1 comprises push-button socket 11, button pressing plate 12, button spring 13, button push pedal 14.Push-button socket 11 is the cavity body structure of a lower ending opening, and its top is provided with to be passed through and the through hole 11a exposed for button pressing plate 12, and lower end is provided with buckle 11b, fixing for coordinating with the draw-in groove 24 on left base 2, the draw-in groove (not shown) on right base 3.Button pressing plate 12 is provided with the cavity of lower ending opening.Right base 3 is also provided with button push pedal gathering sill 33.Button push pedal 14 comprises the transverse slat and column that arrange in 90 degree, and column is vertically arranged, and button spring 13 is enclosed within column, and column extend in the cavity of button pressing plate 12.The free end of transverse slat abuts with the side of baffle plate 10.When downward pressing button pressing plate 12, the transverse slat of button push pedal 14 moves down, and contacts wedge shape buckle 82, makes wedge shape buckle 82 depart from the clamping with baffle plate 10 by the draw-in groove 10a on baffle plate 10.
See Figure 10, Figure 11, Figure 12, the work process of the blood collection auxiliary device in the present embodiment is as follows:
By the mode of screw threads for fastening, blood taking needle B is torqued-up on left base 2 and right base 3 screwed hole; open over cap 4; blood taking tube A is put on blood taking tube lower carriage 5; according to the size dimension of blood taking tube; by curved for the clamping of blood taking tube upper bracket 7 buckle 72 with the some suitable buckling groove 52a clamping of the deck of blood taking tube lower carriage 5, make in blood taking tube A is fastened to.The rearward end promoting blood taking tube lower carriage 5 makes blood taking tube A withstand push pedal 8, continue driven forward, until the wedge shape buckle 82 of push pedal 8 lower end snaps in the draw-in groove 10a of baffle plate 10, the spring 9 be meanwhile enclosed within push pedal guide rod 83 is compressed and is produced elastic force, and the pipe close of blood taking needle puncture needle body has thrust the plug of blood taking tube, blood sampling has started; Now, screw positioning knob 6, the bottom of positioning knob 6 is abutted with base, blood taking tube lower carriage, blood taking tube upper bracket, blood taking tube can not be moved by locating, thus prevent the haemostatic sheath on blood taking needle excessive due to elastic force and blood sampling that is that cause does not complete the risk just making blood taking tube depart from blood taking needle in advance to bring.Cover over cap 4, whether reached the requirement of the required amount gathered by the number of division blood flow volume that can read in blood taking tube observed on blood taking tube lower carriage 5 graduated tile.After blood sampling, unclamp positioning knob 6, and press the button pressing plate 12, button pressing plate 12 promotes button push pedal 14, button push pedal 14 acts on the wedge shape buckle 82 of push pedal 8, it is made to be in the center of the draw-in groove 10a of baffle plate 10, then depart from baffle plate 10 instantaneously, meanwhile, push pedal 8 is moved to the direction away from baffle plate 10 under the effect of push pedal spring 9 resilience force, blood taking tube lower carriage 5, blood taking tube upper bracket 7 also moves to the direction away from blood taking needle under the effect of push pedal 8 together with blood taking tube A, blood taking tube A is made to depart from blood taking needle B, and due to effect of inertia, blood taking tube lower carriage 5, blood taking tube upper bracket 7 together with blood taking tube A until the least significant end place moving to left base 2 and right base 3 just stops, this process prevents the pipe close segregation phenomenon caused because the frictional force between blood taking needle pipe close puncture needle body and rubber plug for vacutainer is greater than the frictional force between rubber plug for vacutainer and blood taking tube body.Then open over cap 4, unclamp curved button of clamping of blood taking tube upper bracket 7 and the side of blood taking tube upper bracket 7 is upwards dug, blood taking tube A exposes, and take out the blood taking tube having adopted blood, take off blood taking needle, so far blood collection procedure is complete.
Blood collection auxiliary device in the present embodiment, promote blood taking tube by the elastic force of push pedal spring to be separated with blood taking needle, in blood taking tube and blood taking needle separation process, push pedal acts on rubber plug for vacutainer or safety helmet surface always, play effect rubber plug for vacutainer, safety helmet and blood taking needle isolated, so the phenomenon that there will not be pipe close to be separated; In addition owing to being provided with positioning knob; can make blood taking tube just can be made to locate without staff effect during blood sampling; and block blood taking tube by over cap during blood sampling, so there will not be because haemostatic sheath resilience is too fast or cause blood splashing cause collection of specimens failure and pollute medical worker, patient and operating environment excessively slowly.
In the present embodiment, the structure arranged makes blood taking needle be fixed in blood collection procedure, and blood taking tube placing mechanism is moved, in other embodiments, also blood taking tube placing mechanism can be set to be fixed on a place, and make the structure of blood taking needle placing mechanism movement, or be set to blood taking tube placing mechanism and all mobile structure of blood taking needle placing mechanism, this also can realize object of the present invention.
In other embodiments, the spring 9 of push pedal 8 can be replaced by resilient sleeve.
In other embodiments, also blood taking tube upper bracket and blood taking tube lower carriage and push pedal 8 can be set to integrative-structure, as arranged a surrounding, hollow bracket all closed up and down, inner placement blood taking tube, hollow bracket upper plate can be opened, be equivalent to the blood taking tube upper bracket in the present embodiment, the front end-plate of hollow bracket is equivalent to the push pedal 8 in the present embodiment, the top of this front end-plate arranges blood sampling hole, lower outside arranges guide rod in the present embodiment and buckle, sheathed spring or resilient sleeve on guide rod, before blood sampling and after having taken a blood sample, hollow bracket, guide rod, buckle and be arranged on interior blood taking tube and together move.
In the present embodiment, base is divided into left base and right base two parts, in other embodiments, also base can be set to integrative-structure.
In other embodiments, positioning knob 6 and button 1 also can be made to be linked by mechanism.
Below be only the preferred embodiment of the present invention, it should be pointed out that above-mentioned preferred implementation should not be considered as limitation of the present invention, protection scope of the present invention should be as the criterion with claim limited range.For those skilled in the art, without departing from the spirit and scope of the present invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. a blood collection auxiliary device, is characterized in that, comprises housing and is arranged on blood taking needle placing mechanism in housing, blood taking tube placing mechanism, intercepts separating mechanism, detent mechanism, trigger mechanism; Described obstruct separating mechanism is provided with the blood sampling of only passing for the pipe close puncture needle body of blood taking needle and intercepts mechanism, also be provided with separating mechanism, described separating mechanism is used for being separated with blood taking tube placing mechanism by blood taking needle placing mechanism under trigger mechanism effect after blood sampling, and the blood taking needle that described blood taking needle placing mechanism is arranged is separated with the blood taking tube that described blood taking tube placing mechanism place is arranged; Described detent mechanism is used for blood taking needle placing mechanism and/or blood taking tube placing mechanism and housing to fix in real time;
Described blood taking tube placing mechanism is connected by guiding mechanism with described housing, described blood taking tube placing mechanism to move and close to or away from described blood taking needle placing mechanism along the guide groove of described guiding mechanism in described housing, described blood taking needle placing mechanism is fixedly connected with described housing, and described detent mechanism is used for described blood taking tube placing mechanism and described housing being fixed when taking a blood sample.
2. blood collection auxiliary device as claimed in claim 1, it is characterized in that, described housing comprises base and the over cap with base engagement, and described over cap is connected opening or closing with described base.
3. blood collection auxiliary device as claimed in claim 1, it is characterized in that, described guiding mechanism also comprises the guide rail coordinated with guide groove, and described guide rail is arranged on the housing, and described guide groove is arranged on described blood taking tube placing mechanism; Or described guide rail is arranged on blood taking tube placing mechanism, described guide groove is arranged on the housing.
4. blood collection auxiliary device as claimed in claim 1, it is characterized in that, described detent mechanism is positioning knob, and described blood taking tube placing mechanism is provided with screwed hole, described positioning knob is screwed in described screwed hole, and described positioning knob abuts with described housing when precession inner to described screwed hole.
5. blood collection auxiliary device as claimed in claim 1, it is characterized in that, described blood taking tube placing mechanism comprises the blood taking tube formed by blood taking tube upper bracket and blood taking tube lower carriage and lays chamber, described blood taking tube is laid in chamber and is provided with opening near the one end intercepting separating mechanism, described obstruct separating mechanism comprises the push pedal arranged near described opening and the baffle plate being positioned at described push pedal opposite side, the top of described push pedal is provided with only for the blood sampling hole that the pipe close puncture needle body of blood taking needle passes through, and the top of described push pedal intercepts mechanism as described blood sampling; The bottom of described push pedal is provided with guide rod and buckle near the one side of blood taking needle placing mechanism, and described guide rod overlaps flexible; Described baffle plate is provided with and the described draw-in groove be clasped and the gathering sill only supplying described guide rod to pass through, described buckle is through described draw-in groove and with described trigger mechanism vicinity or contact, and the bottom of described push pedal and described guide rod, described elastic component, described buckle and described baffle plate are as described separating mechanism.
6. blood collection auxiliary device as claimed in claim 5, it is characterized in that, described blood taking tube placing mechanism is provided with the curved button of clamping and deck, the curved button bit of described clamping on described blood taking tube upper bracket and described deck is positioned on described blood taking tube lower carriage or the curved button bit of described clamping on described blood taking tube lower carriage and described deck is positioned on described blood taking tube upper bracket, described deck is longitudinally provided with multiple buckling groove, and the curved button of described clamping can stretch in different buckling grooves and form the blood taking tube varied in size and lay chamber.
7. blood collection auxiliary device as claimed in claim 5, it is characterized in that, described trigger mechanism is button, and described button is provided with the press-side extend out to outside described housing and the trigger end be connected with described press-side, and the free end of described trigger end is contiguous with described buckle or contact.
8. blood collection auxiliary device as claimed in claim 1, it is characterized in that, described blood taking tube placing mechanism comprises blood taking tube and lays chamber, described blood taking tube is laid in chamber and is provided with near the end plate top of described obstruct separating mechanism only for the blood sampling hole that the pipe close puncture needle body of blood taking needle passes through, the bottom of described end plate is provided with guide rod and buckle near the one side of blood taking needle placing mechanism, described guide rod overlaps flexible, the top of described end plate intercepts mechanism as described blood sampling, the push pedal of described obstruct separating mechanism and the baffle plate be arranged between described push pedal and described blood taking needle placing mechanism, described baffle plate is provided with and the described draw-in groove be clasped and the gathering sill only supplying guide rod to pass through, described buckle is through described draw-in groove and with described trigger mechanism vicinity or contact, the bottom of described end plate, described push pedal, described guide rod, described elastic component, described buckle is as described separating mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310182321.3A CN103222870B (en) | 2013-05-16 | 2013-05-16 | A kind of blood collection auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310182321.3A CN103222870B (en) | 2013-05-16 | 2013-05-16 | A kind of blood collection auxiliary device |
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| Publication Number | Publication Date |
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| CN103222870A CN103222870A (en) | 2013-07-31 |
| CN103222870B true CN103222870B (en) | 2016-04-20 |
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| CN201310182321.3A Active CN103222870B (en) | 2013-05-16 | 2013-05-16 | A kind of blood collection auxiliary device |
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| US20080009806A1 (en) * | 2006-07-10 | 2008-01-10 | Biotop Holding Co., Ltd. | Blood sampling device |
| CN101176666A (en) * | 2006-11-09 | 2008-05-14 | 李仁方 | Blood sugar detecting instrument containing draw blood spear structure |
| CN100544672C (en) * | 2007-02-07 | 2009-09-30 | 山东威高集团医用高分子制品股份有限公司 | Blood taking needle holder |
| CA2646261A1 (en) * | 2007-12-14 | 2009-06-14 | Tyco Healthcare Group Lp | Blood collection device with tube retaining structure |
| CN101816562B (en) * | 2010-04-22 | 2012-04-18 | 王琳 | Disposable automatic painless safe hemostix |
| CN201822859U (en) * | 2010-10-09 | 2011-05-11 | 何强 | Convenient blood taking needle for examination |
| CN102379705B (en) * | 2011-11-09 | 2013-01-09 | 苏州施莱医疗器械有限公司 | Safety blood sampling pen |
-
2013
- 2013-05-16 CN CN201310182321.3A patent/CN103222870B/en active Active
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| CN103222870A (en) | 2013-07-31 |
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Address after: 519031 office 2320, No. 3000, Huandao East Road, Hengqin new area, Zhuhai, Guangdong Patentee after: Yangpu Medical Technology Co.,Ltd. Address before: 510000 Kaiyuan Avenue 102, Science City, Guangzhou Economic and Technological Development Zone, Guangdong Province Patentee before: GUANGZHOU IMPROVE MEDICAL TECHNOLOGY Co.,Ltd. |