CN215017510U

CN215017510U - Blood sampling connection structure and hemostix

Info

Publication number: CN215017510U
Application number: CN202120805427.4U
Authority: CN
Inventors: 黄小琴; 刘群英
Original assignee: Second Peoples Hospital of Yibin
Current assignee: Second Peoples Hospital of Yibin
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2021-12-07
Anticipated expiration: 2031-04-20

Abstract

The utility model is suitable for a medical instrument technical field provides a blood sampling connection structure and hemostix, this blood sampling connection structure, including first connector (10), first blood taking needle (20), at least one mounting (30), wherein: the first connecting head (10) is provided with a first mounting hole (11) along the axial direction; one end of the first lancet (20) is disposed in the first mounting hole (11); the fixing piece (30) comprises a fixed end (31) and a free end (32), the fixed end (31) is connected with the outer surface of the first connecting head (10), and the free end (32) is provided with a clamping structure. The utility model provides a hemostix can effectively avoid adopting the pollution of syringe collection in-process blood sample, spatter the emergence of spilling, the destruction of blood cell, solidification or the condition is hindered to the acupuncture to hemostix's simple structure, convenience, easy operation.

Description

Blood sampling connection structure and hemostix

Technical Field

The utility model belongs to the technical field of medical instrument, especially, relate to a blood sampling connection structure and hemostix.

Background

Hemodialysis is one of kidney substitution treatment modes of acute and chronic renal failure patients, and is characterized in that blood in vivo is drained to the outside of the body, and the blood and electrolyte solution with similar body concentration are arranged inside and outside one hollow fiber in a dialyzer consisting of a plurality of hollow fibers, so that substance exchange is carried out by the principles of dispersion, ultrafiltration, adsorption and convection, metabolic waste in the body is removed, electrolyte and acid-base balance are maintained, excessive water in the body is removed at the same time, and the whole process of purified blood transfusion is called hemodialysis.

In the process of hemodialysis or after dialysis, the blood of a patient needs to be extracted as a blood sample to be checked, the currently commonly adopted mode is that a disposable syringe (with a needle) is punctured into a blood sampling point port at the arterial end or the venous end of a blood purification blood path pipe to collect the blood sample of the patient in the process of hemodialysis or after dialysis, the disposable syringe (with the needle) needs to be pulled out from the port at the arterial end or the venous end of the blood purification blood path pipe after the required blood sample amount is collected, the disposable syringe (with the needle) with the collected blood sample is injected into a vacuum negative pressure blood sampling test tube, after the blood sample is completely injected, the syringe and the needle head are separated, the needle head is abandoned into a sharp machine box, but the conditions of pollution or splashing of the blood sample, damage of blood cells, coagulation of the blood sample and the like are easily caused in the process, the detection result is influenced, and meanwhile, the risk of needle stick injury is also increased, especially when collecting a multitubular blood sample, therefore, it is important to develop a new blood collector for collecting a blood sample of a hemodialysis patient.

Disclosure of Invention

In order to solve the problem, the utility model provides a blood sampling connection structure and hemostix.

The utility model discloses a realize like this, a blood sampling connection structure, including first connector, first blood taking needle, at least one mounting, wherein:

the first connecting joint is provided with a first mounting hole along the axial direction;

one end of the first blood taking needle is arranged in the first mounting hole;

the mounting includes stiff end, free end, the stiff end with the surface connection of first connector, the free end is provided with the joint structure.

Further, the surface of first connector is gone up the protrusion and is provided with at least one mount pad, the stiff end rotates to be connected in the mount pad.

Further, the clamping structure is an elastic buckle.

Further, the clamping structure is U-shaped.

The utility model also provides a hemostix, including foretell blood sampling connection structure, this hemostix still includes the hose, the one end setting of hose is in on the first connector, and with first blood taking needle intercommunication.

Further, still include the second connector, the second connector with the other end of hose is connected, the second connector is provided with the second mounting hole along the axial.

Further, still include the second blood taking needle, the one end setting of second blood taking needle is in the second mounting hole, and with the hose intercommunication, the cover is equipped with the protective sheath on the second blood taking needle.

Further, still include at least one handle, the handle protrusion sets up on the second connector surface.

Further, the sealing device further comprises a sealing clamp, and the sealing clamp is connected to the hose in a penetrating mode.

Further, still include first needle cap, second needle cap, first needle cap cover is established on the first blood taking needle, second needle cap cover is established on the surface of protective sheath.

The utility model discloses technical effect for prior art is:

(1) in the utility model, the fixing piece can be rotationally connected with the first connecting head, can adapt to the adjustment of various angles, is convenient for the fixing piece to fix the blood taking needle on the vein port or the artery port in time, and prevents the occurrence of needle stick injury or blood splashing caused by the sliding out of the needle head in the blood sample collecting process;

(2) in the utility model, the clamping structure of the fixing piece is arranged into an elastic buckle, which can clamp the blood tube and can not clamp the blood tube completely to block the flow of blood, and can facilitate the timely taking down of the blood after the blood collection is finished;

(3) the blood sample collected by the hemostix can directly flow into the vacuum negative pressure blood sampling test tube, the blood sample collection is completed at one time, the inconvenient links of injection, needle separation and the like after the syringe is extracted are optimized, and the situations of pollution, splashing, damage of blood cells, needle stick injury and the like of the blood sample in the process of collecting by adopting the syringe are prevented;

(4) the utility model provides a hemostix simple structure, convenient, easy operation, and can not cause the influence to the testing result of blood sample.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention or the description of the prior art will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a blood sampling device according to an embodiment of the present invention.

Fig. 2 is a schematic view of a first connector structure according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a second connector according to an embodiment of the present invention.

Description of reference numerals:

10-a first connector; 20-a first blood collection needle; 30-a fixing member; 11-a first mounting hole; 12-a mounting seat; 31-a fixed end; 32-free end; 40-a hose; 50-a second connector; 51-a second mounting hole; 60-a second blood collection needle; 61-a protective sheath; 70-a handle; 80-sealing clamp; 90-a first needle cap; 91-second needle cap.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that when an element is referred to as being "fixed" or "disposed" to another element, it can be directly on the other element or be indirectly connected to the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

As shown in fig. 1 and 2, the utility model provides a blood sampling connection structure, which comprises a first connector 10, a first blood sampling needle 20 and at least one fixing member 30, wherein:

the first connector 10 is provided with a first mounting hole along the axial direction;

one end of the first blood taking needle 20 is arranged in the first mounting hole 11, and the other end of the first blood taking needle directly pierces into a blood purification blood path pipe artery end or vein end blood taking point port;

the fixing member 30 includes a fixed end 31 and a free end 32, the fixed end 31 is connected to the outer surface of the first connection head 10, the free end 32 is provided with a clamping structure, the fixing member 30 mainly functions to fix the first blood collection needle 20 on the artery end or vein port of the blood vessel, so for better fixation, in this embodiment, the fixing member 30 is provided in 2, and the fixing member 30 is symmetrically provided along the radial direction of the first connection head 10.

The utility model provides a blood sampling connection structure is last to have set up the mounting, and the joint structure through the mounting is fixed first blood taking needle on blood way pipe vein port or artery port to prevent the blood sample collection in-process and take place the condition that the acupuncture is hindered or blood splashes and spill because of the syringe needle roll-off.

Further, at least one mounting seat 12 is convexly disposed on the outer surface of the first connection head 10, the mounting seat 12 is mainly used for mounting the fixing member 30, the mounting seat 12 can be disposed at any position on the outer surface of the first connection head 10, preferably, in the present embodiment, the mounting seat 12 is disposed at a position close to the upper end of the first connection head 10, in addition, the number of the mounting seats 12 should be the same as the number of the fixing members 30, in the present embodiment, the number of the fixing members 30 is 2, and accordingly, the number of the mounting seats 12 should also be 2, and should also be symmetrically disposed along the radial direction of the first connection head 10.

Further, when a patient is actually performing hemodialysis, a large number of related devices are connected, the pipeline is complex, and in order to adapt to such a complex environment, the fixing end 31 should be rotatably connected in the mounting seat 12 to adapt to adjustment of various angles, so that the blood taking needle can be more conveniently fixed on a vein port or an artery port of a blood path tube.

Further, the main effect of joint structure is that the chucking blood way pipe prevents the blood taking needle roll-off, but can not clamp the blood way pipe completely again simultaneously and block the flow of blood, still need ensure simultaneously that blood collection finishes the back and conveniently takes off, consequently, in this embodiment, the joint structure sets up to elastic buckle.

Further, the clamping structure can be set to be in various shapes, and in the embodiment, the clamping structure is in a U shape.

Further, this embodiment still provides a hemostix, including the aforesaid blood sampling connection structure, this hemostix still includes hose 40, and the one end of hose 40 sets up on first connector 10, in order to ensure that the blood sample of gathering can flow into hose 40 smoothly, and hose 40 should communicate with first blood sampling needle 20, in addition the utility model discloses do not limit to the material of hose 40, in this embodiment, hose 40 is transparent, and is made by plastics.

Further, as shown in fig. 1 and 3, the blood collection device further includes a second connector 50, the second connector 50 is connected to the other end of the hose 40, and the second connector 50 is provided with a second mounting hole 51 along the axial direction.

Further, still include second blood taking needle 60, the one end setting of second blood taking needle 60 is in second mounting hole 51, and the other end directly punctures into vacuum negative pressure blood sampling test tube, and in order to ensure that the blood sample of gathering can smoothly flow into vacuum negative pressure blood sampling test tube, second blood taking needle 60 should communicate with hose 40, and the cover is equipped with protective sheath 61 on the second blood taking needle 60, and this protective sheath 61 mainly used seals protection to second blood taking needle 60, prevents that the syringe needle from receiving the pollution or injuring other people by the needle, the utility model discloses do not injectly to the material of protective sheath 61, in this embodiment, protective sheath 61 is the rubber sleeve.

Further, still include at least one handle 70, handle 70 sets up on the surface of second connector 50 in the protrusion, and the main effect of this handle 70 is conveniently to insert second blood taking needle 60 in the vacuum negative pressure blood taking test tube, so, for convenience of operation, in this embodiment, handle 70 can set up to 2, and set up along the radial direction symmetry of second connector 50, in addition handle 70 can fix and connect on second connector 50, also can be integrated into one piece with second connector 50, and this embodiment does not do the restriction to the shape of handle 70, can be square, trapezoidal or circular arc.

Further, the hemostix still includes sealing clip 80, and sealing clip 80 cross-under is on hose 40, and sealing clip 80's main function ensures that the blood sampling test tube keeps vacuum negative pressure environment always, and during the blood sample that makes things convenient for the collection flowed into the real blood sampling test tube smoothly, the blood sampling was finished and remaining blood drips in the blood sampling needle and is spilt.

Further, still include first needle cap 90, second needle cap 91, first needle cap 90 cover is established on first blood taking needle 20, is mainly used for protecting first blood taking needle 20, prevents that the syringe needle from receiving to pollute or the acupuncture injures other people, and second needle cap 91 cover is established on the protective sheath 61 is surperficial, mainly avoids protective sheath 61 to be punctured by accident to form better protection to protective sheath 61, the utility model discloses do not injectd to the shape and the material of first needle cap 90, second needle cap 91, first needle cap 90's shape should suit with first connector 10, and second needle cap 91's shape should suit with second connector 50, in this example, first needle cap 90, second needle cap 91 all can set up to the tray formula, and make by plastics.

The utility model provides a hemostix carries out the blood sample collection back, and blood can directly flow into vacuum negative pressure blood sampling test tube, and blood sample collection once only accomplishes, has optimized inconvenient links such as injector extraction back transfer injection, separation syringe needle, has also prevented to adopt the pollution of injector collection in-process blood sample or has spattered the emergence of situations such as spilling, the destruction of blood cell, acupuncture wound.

In hemodialysis process, if direct blood sampling on the human body, the operating procedure is complicated, causes blood, blood vessel way to pollute easily, pricks blood vessel puncture again and also can increase patient's misery, therefore this embodiment is that directly set up the blood sampling point at blood purification blood way pipe artery end or vein end, then utilize the hemostix to carry out the collection of blood sample, specific collection process is as follows:

before a hemodialysis patient collects a blood sample, the tray-type first needle cap 90 is pulled out, the first blood taking needle 20 is directly punctured into a blood purification blood path tube artery end or a vein end blood taking point end, the first blood taking needle 20 is fixed on a vein port or a vein port through an elastic U-shaped buckle on the fixing piece 30 to prevent the first blood taking needle 20 from sliding out, then the tray-type second needle cap 91 sleeved on the protective sleeve 61 is taken down, the second blood taking needle 60 is punctured into a vacuum negative pressure blood taking test tube by the hand-held handle 70, particularly in the process of puncturing the blood taking test tube, the protective sleeve 61 is punctured by the second blood taking needle 60 under the action of external force, then the second blood taking needle passes through the tube cap of the blood taking test tube to enter the disposable vacuum negative pressure blood taking test tube, therefore, the negative pressure in the disposable vacuum negative pressure blood taking test tube is not released, and then the sealing clamp 80 which is punctured on the transparent plastic hose 40 is loosened, the blood sample of first blood taking needle 20 collection under the suction effect of the interior negative pressure of vacuum negative pressure blood sampling test tube, will flow through first connector 10 in proper order, transparent plastic hose 40, second connector 50, second blood taking needle 60 get into in the disposable vacuum negative pressure blood sampling test tube, thereby accomplish the collection of blood sample, in order to prevent blood coagulation, can rock the vacuum negative pressure blood sampling test tube gently in the collection process, after the blood sample collection finishes, the sealed clamp 80 of clamp closure, residual blood drips in the blood taking needle is avoided spilling.

The utility model provides a blood sampler has effectively avoided blood cell destruction and blood sample to pollute, has spattered and has spilt, simplifies nursing staff's operation flow, reduces the incidence that the needle prick hindered, in addition, still can realize quantitative blood sampling according to the negative pressure volume that is not released that disposes in the disposable vacuum negative pressure blood sampling test tube, and blood sampling numerical value is more accurate to blood sampler simple structure, convenient, easy operation can not lead to the fact the influence to the testing result of blood sample.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A blood collection connection structure comprising a first connection head (10), a first blood collection needle (20), at least one fixing member (30), wherein:

the first connecting head (10) is provided with a first mounting hole (11) along the axial direction;

one end of the first lancet (20) is disposed in the first mounting hole (11);

the fixing piece (30) comprises a fixed end (31) and a free end (32), the fixed end (31) is connected with the outer surface of the first connecting head (10), and the free end (32) is provided with a clamping structure.

2. The blood collection connection structure according to claim 1, wherein at least one mounting seat (12) is protruded from an outer surface of the first connector (10), and the fixing end (31) is rotatably connected to the mounting seat (12).

3. The blood collection connection of claim 1, wherein the snap-fit structure is a resilient snap.

4. The blood collection connection of claim 3, wherein the snap-fit structure is U-shaped.

5. A blood collection device comprising the blood collection connection structure according to any one of claims 1 to 4, and further comprising a flexible tube (40), wherein one end of the flexible tube (40) is provided on the first connector (10) and communicates with the first blood collection needle (20).

6. A lancing device according to claim 5, further comprising a second connector (50), the second connector (50) being connected to the other end of the hose (40), the second connector (50) being provided with a second mounting hole (51) in the axial direction.

7. A lancing device according to claim 6, further comprising a second lancet (60), one end of the second lancet (60) being disposed in the second mounting hole (51) and being in communication with the hose (40), the second lancet (60) being provided with a protective cover (61) over it.

8. A lancing device according to claim 7, further comprising at least one handle (70), said handle (70) being convexly disposed on the outer surface of said second connector (50).

9. A lancing device according to claim 8, further comprising a sealing clip (80), the sealing clip (80) being threaded onto the hose (40).

10. A lancing device according to claim 9, further comprising a first needle cap (90), a second needle cap (91), the first needle cap (90) fitting over the first lancet (20), the second needle cap (91) fitting over the surface of the protective sheath (61).