阅读说明：本技术 一种血液样本采集装置 (Blood sample collection device ) 是由 马倩倩 林律 刘婷 姚麒 于 2021-10-14 设计创作，主要内容包括：一种血液样本采集装置,包括采血件和保护套；采血件前端连接有针头,采血件尾端连接有采血管,采血件前端两侧还连接有弹性卡接机构,采血件尾端还可摆动的连接有锁件；保护套套设于采血件外侧,保护套前端两侧设有卡槽,并且保护套尾端设有锁定槽；其中,保护套可沿采血件外侧滑动,弹性卡接机构可从保护套内侧伸入卡槽内,锁件可卡接于锁定槽内或从锁定槽内脱离。当采完血液样本后,可通过外力触发锁件,使锁件脱离锁定槽,从而解除保护套和采血件之间的相互固定关系,之后推动保护套使保护套包围采血件前端的针头,然后由弹性卡接机构再次锁定保护套和采血件之间的相对位置。(A blood sample collecting device comprises a blood collecting piece and a protective sleeve; the front end of the blood sampling piece is connected with a needle head, the tail end of the blood sampling piece is connected with a blood sampling tube, two sides of the front end of the blood sampling piece are also connected with an elastic clamping mechanism, and the tail end of the blood sampling piece is also connected with a locking piece in a swinging manner; the protective sleeve is sleeved outside the blood sampling piece, clamping grooves are formed in two sides of the front end of the protective sleeve, and a locking groove is formed in the tail end of the protective sleeve; wherein, the protective sheath can be followed the slip of blood sampling piece outside, and elasticity latch mechanism can follow the protective sheath inboard and stretch into the draw-in groove in, but the latch fitting joint in locking inslot or break away from locking inslot. After having adopted the blood sample, accessible external force triggers the latch fitting, makes the latch fitting break away from the locking groove to remove the mutual fixed relation between protective sheath and the blood sampling piece, later promote the protective sheath and make the protective sheath surround the syringe needle of blood sampling piece front end, then lock the relative position between protective sheath and the blood sampling piece again by elasticity clamping mechanism.)

1. A blood sample collection device, comprising:

the blood sampling device comprises a blood sampling part (1), wherein the front end of the blood sampling part (1) is connected with a needle head (11), the tail end of the blood sampling part (1) is connected with a blood sampling tube (12), two sides of the front end of the blood sampling part (1) are also connected with an elastic clamping mechanism (2), and the tail end of the blood sampling part (1) is also connected with a locking part (3) in a swinging manner;

the blood sampling device comprises a protective sleeve (4), wherein the protective sleeve (4) is sleeved on the outer side of the blood sampling piece (1), clamping grooves (a) are formed in two sides of the front end of the protective sleeve (4), and a locking groove (b) is formed in the tail end of the protective sleeve (4);

wherein, protective sheath (4) can be followed blood sampling piece (1) outside is slided, elasticity latch mechanism (2) can be followed protective sheath (4) inboard and stretched into in draw-in groove (a), but latch fitting (3) joint in locking groove (b) or break away from in locking groove (b).

2. A device for collecting a blood sample according to claim 1, wherein the rear end of the blood sampling member (1) is provided with an operating end (13), the locking member (3) is connected to the operating end (13), and the rear end of the protective sheath (4) can abut against the operating end (13).

3. The blood sample collection device according to claim 1, wherein a locking boss (c) is arranged outside the protection sleeve (4), the locking groove (b) is arranged on the locking boss (c) in a penetrating manner, an insertion platform (30) is arranged at the front end of the locking piece (3), a pressing part (31) is arranged at the tail end of the locking piece (3), and the insertion platform (30) can be clamped into the locking groove (b).

4. The blood sample collection device according to claim 3, wherein the locking protrusion (c) further comprises a locking groove (b1) for engaging the locking groove (b), and the insertion platform (30) further comprises a locking protrusion (300), wherein the locking protrusion (300) is correspondingly engaged with the locking groove (b 1).

5. A blood sample collection device according to claim 4, wherein the protective sheath (4) comprises:

the first sleeve (41) is sleeved on the outer side of the blood collecting piece (1), the tail end of the first sleeve (41) can abut against the operating end (13), the clamping groove (a) and the locking boss (c) are arranged on two sides of the tail end of the first sleeve (41), and a through groove (c1) is formed in the locking boss (c) in a penetrating mode along the length direction of the first sleeve (1);

second set (42), second set (42) cover is located the outside of first set (41), second set (42) tail end is equipped with secondary locking boss (d), be equipped with secondary locking groove (e) and secondary lock groove (e1) on secondary locking boss (d), secondary locking boss (d) can stretch into in logical groove (c1), and can make secondary locking groove (e) with locking groove (b) switch-on, and secondary lock groove (e1) with lock groove (b1) switch-on, and plug-in platform (30) still can block in secondary locking groove (e), lock boss (300) still can block in secondary lock groove (e 1).

First set (41) outside still is equipped with direction boss (410), second set (42) link up and are equipped with guide way (420), and guide way (420) tail end has still been put through screens groove (421), direction boss (410) slidable in guide way (420) and can block in screens groove (421).

6. A blood sample collection device according to claim 5, wherein the second sleeve (42) is further provided with a first grip (422) on the outside.

7. The blood sample collection device according to claim 6, wherein a second grip portion (423) is further disposed on an outer side of the second sleeve (42), an anti-slip layer is disposed on the second grip portion (423), the second grip portion (423) is located at a rear side of the first grip portion (422), and the first grip portion (422) and the second grip portion (423) are in arc transition.

8. A blood sample collecting device according to claim 1, wherein the blood sampling member (1) is provided with mounting grooves (14) at two sides of the front end thereof, and the elastic clamping mechanism (2) comprises:

one end of the clamping piece (21) is connected to the blood sampling piece (1), and the other end of the clamping piece (21) can swing into the mounting groove (14) or can stretch into the clamping groove (a);

one end of the elastic piece (22) is connected with the clamping piece (21), and the other end of the elastic piece (22) is connected in the mounting groove (14).

9. A blood sample collection device according to claim 3, wherein the protective sheath (4) has two locking projections (c) symmetrically arranged on both sides, and the locking member (3) has two corresponding projections.

Technical Field

The invention relates to the field of medical equipment, in particular to a blood sample collecting device.

Background

Blood sampling is one of the indispensable projects when carrying out health inspection or treatment in the hospital, and blood sampling needs to use the vein blood sampling device, and the current vein blood sampling device in the existing market generally comprises stopcock pjncture needle, pipe, vein pjncture needle. After the sheath is pulled off and medical staff finishes blood sampling, the needle tip of the venous blood sampling needle is exposed outside.

After the blood sampling is finished, the needle point is exposed outside, and no protective measures are provided, so that medical staff can be easily stabbed by the needle point of the used vein puncture needle if careless in operation, and the phenomenon of virus cross infection is likely to be caused.

Disclosure of Invention

Technical problem to be solved

In order to solve the problems, the invention provides a blood sample collecting device which can shield a needle after the needle is used.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme:

a blood sample collection device, comprising:

the front end of the blood sampling part is connected with a needle head, the tail end of the blood sampling part is connected with a blood sampling tube, two sides of the front end of the blood sampling part are also connected with an elastic clamping mechanism, and the tail end of the blood sampling part is also connected with a locking part in a swinging manner;

the protective sleeve is sleeved outside the blood sampling piece, clamping grooves are formed in two sides of the front end of the protective sleeve, and a locking groove is formed in the tail end of the protective sleeve;

wherein, the protective sheath can be followed the slip of blood sampling piece outside, and elasticity latch mechanism can follow the protective sheath inboard and stretch into the draw-in groove in, but the latch fitting joint in locking inslot or break away from locking inslot.

Preferably, the tail end of the blood sampling part is provided with an operating end, the locking part is connected to the operating end, and the tail end of the protective sleeve can be abutted against the operating end.

Preferably, the protective sheath outside is equipped with the locking boss, and on the locking boss was located to locking groove link up, the latch fitting front end was equipped with the grafting platform, and the latch fitting tail end was equipped with presses the splenium, and the grafting platform can block into and lock the inslot.

Preferably, the locking boss is further provided with a buckling groove for connecting the locking groove, the inserting table is further provided with a buckling boss, and the buckling boss can be correspondingly clamped into the buckling groove.

Preferably, the protective sheath comprises:

the first sleeve is arranged on the outer side of the blood sampling piece, the tail end of the first sleeve can be abutted against the operating end, the clamping groove and the locking boss are arranged at two sides of the tail end of the first sleeve, and the locking boss is provided with a through groove in a penetrating manner along the length direction of the first sleeve;

the second cover is arranged on the outer side of the first cover, a secondary locking boss is arranged at the tail end of the second cover, a secondary locking groove and a secondary buckling groove are arranged on the secondary locking boss, the secondary locking boss can extend into the through groove and can be communicated with the secondary locking groove and the secondary buckling groove, the splicing table can be clamped into the secondary locking groove, and the buckling boss can be clamped into the secondary buckling groove.

The outer side of the first sleeve is also provided with a guide boss, the second sleeve is provided with a guide groove in a penetrating way, the tail end of the guide groove is also communicated with a clamping groove, and the guide boss can slide in the guide groove and can be clamped in the clamping groove.

Preferably, the second sleeve is further provided with a first holding part on the outer side.

Preferably, the second set of outer side is also provided with a second pinching part, the second pinching part is provided with an anti-slip layer, the second pinching part is located at the rear side of the first pinching part, and the first pinching part and the second pinching part are in circular arc transition.

Preferably, blood sampling spare front end both sides are equipped with the mounting groove, and elasticity latch mechanism includes:

one end of the clamping piece is connected to the blood sampling piece, and the other end of the clamping piece can swing into the mounting groove or can extend into the clamping groove;

elastic component, elastic component one end is connected with the fastener, and the other end is connected in the mounting groove.

Preferably, two locking bosses are symmetrically arranged on two sides of the protective sleeve, and two locking pieces are correspondingly arranged.

(III) advantageous effects

The invention has the beneficial effects that: a blood sample collecting device comprises a blood collecting piece and a protective sleeve; the front end of the blood sampling piece is connected with a needle head, the tail end of the blood sampling piece is connected with a blood sampling tube, two sides of the front end of the blood sampling piece are also connected with an elastic clamping mechanism, and the tail end of the blood sampling piece is also connected with a locking piece in a swinging manner; the protective sleeve is sleeved outside the blood sampling piece, clamping grooves are formed in two sides of the front end of the protective sleeve, and a locking groove is formed in the tail end of the protective sleeve; wherein, the protective sheath can be followed the slip of blood sampling piece outside, and elasticity latch mechanism can follow the protective sheath inboard and stretch into the draw-in groove in, but the latch fitting joint in locking inslot or break away from locking inslot. After having adopted the blood sample, accessible external force triggers the latch fitting, makes the latch fitting break away from the locking groove to remove the mutual fixed relation between protective sheath and the blood sampling piece, later promote the protective sheath and make the protective sheath surround the syringe needle of blood sampling piece front end, then lock the relative position between protective sheath and the blood sampling piece again by elasticity clamping mechanism.

(IV) description of the drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:

FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is a first schematic view illustrating a first usage state of the present embodiment;

FIG. 3 is a second schematic view illustrating a usage status of the present embodiment;

FIG. 4 is a schematic view of the construction of the blood collection member, the first sleeve and the second sleeve;

FIG. 5 is a schematic view of the connection between the locking element and the protective sheath;

FIG. 6 is a schematic view of the tail end of the first sleeve;

FIG. 7 is a schematic view of a lancet;

FIG. 8 is a first diagram illustrating the state of the elastic clamping mechanism;

FIG. 9 is a second schematic view of the elastic clamping mechanism;

in the figure, 1 blood sampling piece, 2 elastic clamping mechanism, 3 locking piece, 4 protective sleeve, 11 pinhead, 12 blood sampling tube, 13 operation end, 14 installation groove, 21 clamping piece, 22 elastic piece, 30 insertion platform, 300 buckling lug boss, 31 pressing part, 41 first set, 42 second set, 410 guiding lug boss, 420 guiding groove, 421 clamping groove, 422 first pinching part, 423 second pinching part, a clamping groove, b locking groove, c locking lug boss, d secondary locking lug boss, e secondary locking groove, b1 buckling groove, c1 through groove and e1 secondary buckling groove.

(V) detailed description of the preferred embodiments

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 9 of the drawings, a blood sample collection device comprises:

the blood sampling device comprises a blood sampling part 1, wherein the front end of the blood sampling part 1 is connected with a needle head 11, the tail end of the blood sampling part 1 is connected with a blood sampling tube 12, two sides of the front end of the blood sampling part 1 are also connected with elastic clamping mechanisms 2, and the tail end of the blood sampling part 1 is also connected with a locking piece 3 in a swinging manner;

the protective sleeve 4 is sleeved outside the blood sampling part 1, clamping grooves a are formed in two sides of the front end of the protective sleeve 4, and a locking groove b is formed in the tail end of the protective sleeve 4;

wherein, 1 outside slip of blood sampling piece can be followed to protective sheath 4, and elasticity latch mechanism 2 can be followed the protective sheath 4 inboard and stretched into draw-in groove a in, but 3 joint of latch fitting break away from in locking groove b or from locking groove b.

Specifically, the blood sampling part 1 is provided with a hollow transfusion channel, and the needle 11 and the blood sampling tube 12 are communicated with the hollow transfusion channel. In this embodiment, when protective sheath 4 covers in the 1 outside of blood sampling, also entangled elasticity latch mechanism 2 simultaneously, nevertheless latch fitting 3 is located outside protective sheath 4, and locks the groove b and also establish in the protective sheath 4 outside, and latch fitting 3 inserts from the protective sheath 4 outside and locks the inslot.

During the use, hold protective sheath 4 between fingers so that it pushes forward, because protective sheath 4 and blood sampling spare 1 have been connected to latch fitting 3, the thrust can be transmitted on blood sampling spare 1 through latch fitting 3, consequently also can make syringe needle 11 push forward to be used for the puncture vein. After the blood sampling part 1 collects the blood sample, the medical staff holds the protective sleeve 4 to pull backwards, pulls the needle 11 backwards, and makes the needle 11 break away from the skin of the patient, at the moment, one hand of the medical staff still holds the protective sleeve 4, the other hand can be used for pressing the locking piece 3, and applies force to make the locking piece 3 break away from the locking groove b, thereby releasing the fixed relation of the mutual connection between the protective sleeve 4 and the blood sampling part 1, then pushes the protective sleeve 4 forwards or continues to hold the locking piece 3 to pull backwards, the protective sleeve 4 can be made to slide forwards relative to the blood sampling part 1 and surround the needle 11 at the front end of the blood sampling part 1, until the protective sleeve 4 slides to the position of the elastic clamping mechanism 2, the elastic clamping mechanism 2 is triggered and clamped into the clamping groove a due to the constraint of the protective sleeve 4, thereby locking the relative position between the protective sleeve 4 and the blood sampling part 1 again, so that the protective sleeve 4 can not move back after wrapping the needle 11 to expose the needle 11, thereby preventing the medical staff from being pricked by the needle by mistake.

Furthermore, the tail end of the blood sampling part 1 is provided with an operation end 13, the locking part 3 is connected to the operation end 13, and the tail end of the protective sleeve 4 can be abutted against the operation end 13. Wherein, operation end 13 exposes from protective sheath 4 afterbody, and latch fitting 3 is connected on operation end 13, makes things convenient for medical personnel to hold between the fingers and holds latch fitting 3 to 1 application of force pull to blood sampling spare.

Further, in order to reduce the thickness of protective sheath 4, ensure that syringe needle 11 can normally pierce into vein, in this embodiment, the protective sheath 4 outside is equipped with locking boss c, and locking groove b link up to locate on locking boss c, and 3 front ends of latch fitting are equipped with and insert platform 30, and 3 tails of latch fitting are equipped with and press splenium 31, and insert platform 30 can block into and lock the inslot b. The locking boss c is further provided with a buckling groove b1 for connecting the locking groove b, the inserting table 30 is further provided with a buckling boss 300, and the buckling boss 300 can be correspondingly clamped into the buckling groove b 1.

Specifically, locking groove b sets up on the locking boss c of the protruding setting in the outside from protective sheath 4, need not to increase protective sheath 4's body thickness, and in addition, when the grafting platform 30 of latch fitting 3 inserted to locking inslot b, the 3 tail ends of latch fitting pressed the portion 31 and be the slope setting for protective sheath 4, made things convenient for medical personnel to hold between the fingers and press portion 31 and to its application of force. The engaging protrusion 300 provided on the docking station 30 serves to lock the positional relationship between the locking unit 3 and the locking protrusion c. It should be noted that the protective sleeve 4 and the locking member 3 are made of plastic material, and have certain deformation capability.

Further, in order to shorten the length of the lancet 1 and the protective cover 4, in this embodiment, the protective cover 4 includes:

the first sleeve 41 is sleeved outside the blood sampling part 1, the tail end of the first sleeve 41 can be abutted against the operating end 13, the clamping groove a and the locking boss c are arranged at two sides of the tail end of the first sleeve 41, and a through groove c1 is arranged on the locking boss c in a penetrating manner along the length direction of the first sleeve 1;

the second sleeve 42 is sleeved outside the first sleeve 41, the tail end of the second sleeve 42 is provided with a secondary locking boss d, the secondary locking boss d is provided with a secondary locking groove e and a secondary buckling groove e1, the secondary locking boss d can extend into the through groove c1 and can enable the secondary locking groove e to be communicated with the locking groove b, the secondary buckling groove e1 is communicated with the buckling groove b1, the plug-in platform 30 can be clamped into the secondary locking groove e, and the buckling boss 300 can be clamped into the secondary buckling groove e 1.

In addition, considering that the thickness of the protective sheath 4 is limited and should not obstruct the puncture of the needle 11, therefore, the mutual fixation between the first sheath 41 and the second sheath 42 needs to be realized without increasing the thickness of the two sheaths, in this embodiment, the outer side of the first sheath 41 is further provided with a guide boss 410, the second sheath 42 is provided with a guide groove 420 in a penetrating manner, the tail end of the guide groove 420 is further communicated with a retaining groove 421, and the guide boss 410 can slide in the guide groove 420 and can be retained in the retaining groove 421. In addition, a protective cover 42a is adhered to the outer side of the second sleeve 42 to cover the guide groove 420 and the locking groove 421.

In particular, the sliding of the second sleeve 42 away from the first sleeve 41 corresponds to the stretching action of the sheath 4. Secondary locking boss d and locking boss c overlap each other, make the platform 30 of pegging graft on the latch fitting 3 can insert to locking groove b and secondary locking groove e simultaneously, fix first set 41 and second set 42 simultaneously, when locking the relative position relation of protective sheath 4 and blood sampling piece 1 promptly, still realized restricting the action of stretching of protective sheath 3 through same latch fitting 3, press down and trigger latch fitting 3 when medical personnel, make the platform 30 of pegging graft break away from locking groove b and secondary locking groove e time, the restriction of stretching of the whole removal restriction of protective sheath 4 and protective sheath 4 is removed simultaneously. In addition, during the sliding of the second sleeve 42 relative to the first sleeve 41, the guide projection 410 on the first sleeve 41 slides along the guide slot 420 and finally snaps into the detent slot 421, so that the first sleeve 41 and the second sleeve 42 are fixed relative to each other. Therefore, when in use, the medical staff only needs to keep the action of pulling the operation end 13 or the action of pulling the second sleeve 42 (since the second sleeve 42 is outside the first sleeve 41, the hand of the medical staff needs to pinch the outside of the second sleeve 42 first), so that the elastic clamping mechanism 2 can finally clamp the first sleeve 41, and the first sleeve 41 and the second sleeve 42 are in the locking position relation through the mutual matching of the guide boss 410 and the clamping groove 421, so that the positions of the first sleeve 41 and the second sleeve 42 are fixed relative to the blood collecting member 1, and the needle 11 can be covered.

Further, a first holding portion 422 is provided outside the second sleeve 42, and the first holding portion 422 has the same holding structure as that of the conventional lancet needle tail end.

Furthermore, both ends of the outer side of the second sleeve 42 are further provided with a second holding portion 423, the second holding portion 423 is provided with an anti-slip layer, the second holding portion 423 is located at the rear side of the first holding portion 422, and the first holding portion 422 and the second holding portion 423 are in arc transition. The setting of the second holding portion 423 makes things convenient for medical personnel more steady gripping protective sheath 4 to the protruding height of the second holding portion 423 will be less than the protruding height of the first holding portion 422, consequently, when medical personnel used the second holding portion 423, even if medical personnel accidentally held the hand slippery, also can be held the portion 422 and block by the first holding portion 422 in front of the second holding portion 423, prevent that medical personnel's finger from stretching forward to syringe needle 11 position and being pricked by the mistake.

Further, blood sampling 1 front end both sides are equipped with mounting groove 14, and elasticity latch mechanism 2 includes:

one end of the clamping piece 21 is connected to the blood sampling piece 1, and the other end of the clamping piece 21 can swing into the mounting groove 14 or can extend into the clamping groove a;

and one end of the elastic piece 22 is connected with the clamping piece 21, and the other end of the elastic piece 22 is connected in the mounting groove 14.

Specifically, fastener 21 swing end has protruding structure, when protective sheath 4 overlaps in the blood sampling 1 outside, fastener 21 is located protective sheath 4 inboard, when fastener 21 does not contact with draw-in groove a, fastener 21 can be extruded the shrink by the protective sheath 4 inside wall in mounting groove 14, the protruding structure of end has met draw-in groove a up to fastener 21 swing, fastener 21 swing end loses the constraint, can be by elastic component 22 toward promoting outward and make protruding structure card go into in the draw-in groove a, in order to realize the fixed to protective sheath 4 position.

Furthermore, two locking bosses c are symmetrically arranged on two sides of the protective sleeve 4, and two locking pieces 3 are correspondingly arranged. This setting can effectively reduce the mistake and touch a certain latch fitting 3 back, and protective sheath 4 is direct by the possibility of unblock, only medical personnel relieve the lock state of two latch fittings 3 completely, just can make protective sheath 4 remove and extend. On the other hand, this setting also can not increase the operation degree of difficulty of the device, only needs medical personnel when using, and two fingers hold between the fingers simultaneously on two latch fittings 3 and the application of force is pressed to the locking boss c to both sides unlocks simultaneously.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.