CN210749227U

CN210749227U - Blood sampling device for routine blood test

Info

Publication number: CN210749227U
Application number: CN201921197809.2U
Authority: CN
Inventors: 何超; 韩小梅
Original assignee: First Hospital of Lanzhou University
Current assignee: First Hospital of Lanzhou University
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-06-16
Anticipated expiration: 2029-07-25

Abstract

The utility model discloses a blood sampling device for conventional inspection of blood, including the vacuum acquisition pipe, the fixed locking mechanism that is provided with of up end of vacuum acquisition pipe, and the fixed syringe needle that is provided with the dismantlement in locking mechanism's upper end, the outside cover of syringe needle is equipped with the needle cap, and the fixed hose that is provided with in up end center of vacuum acquisition pipe, and the upper end of hose alternates in locking mechanism's inboard, hose and syringe needle intercommunication, locking mechanism control hose break-make. The utility model discloses in can directly carry out the blood sampling operation to patient through locking mechanism, vacuum collection pipe and syringe needle are fixed together, use the operation more convenient that gets up, insert the intubate of disposable blood taking needle in the operation in the vacuum tube when having avoided current blood sampling operation moreover, avoided external pollutant or bacterium to enter into the degree of accuracy that influences the conventional inspection of blood in the blood of collection, have better protecting effect.

Description

Blood sampling device for routine blood test

Technical Field

The utility model relates to a blood collection system technical field specifically is a blood sampling device for conventional inspection of blood.

Background

The blood routine examination is a basic physical examination item in the whole body physical examination, and has the significance of finding early signs of a plurality of systemic diseases, diagnosing whether anemia exists or not, judging whether blood system diseases exist or not, reflecting the hematopoietic function of bone marrow and the like, while the blood routine examination cannot separate the collection of blood, which needs to be collected through a blood collection device.

The utility model discloses human finds that the conventional inspection of blood that has now is during pricking into patient's blood vessel through disposable blood sampling needle more, then injects the intubate of the blood sampling needle through the other end of pipe connection into vacuum collection pipe and take a blood sample, and this kind of blood sampling mode operation is more loaded down with trivial details, and this kind of blood sampling mode protective effect is poor simultaneously, and user's hand touches easily the intubate or the intubate touches other pollutants easily and leads to the intubate to be contaminated the inspection degree of accuracy who influences blood collection when using.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a blood sampling device for blood routine inspection aims at improving current blood sampling device and uses complex operation and the poor problem of protecting effect.

The utility model discloses a realize like this:

the utility model provides a blood sampling device for blood routine inspection, including the vacuum collection pipe, the fixed locking mechanism that is provided with of up end of vacuum collection pipe, and the fixed syringe needle that is provided with the dismantlement in locking mechanism's upper end, the outside cover of syringe needle is equipped with the needle cap, the fixed hose that is provided with in up end center of vacuum collection pipe, and the upper end of hose alternates in locking mechanism's inboard, hose and syringe needle intercommunication, locking mechanism control hose break-make, through locking mechanism, the vacuum collection pipe is fixed with the syringe needle and can directly carry out the blood sampling operation to patient together, it is more convenient to use the operation, and insert the operation in the vacuum tube with the intubate of disposable blood sampling needle when having avoided current blood sampling operation, the degree of accuracy that influences blood routine inspection in having avoided external pollutant or bacterium to enter into the blood of collection, better protective effect has.

Furthermore, locking mechanism includes square shell, and the inboard of shell is provided with the compression roller that can roll from top to bottom, and one side that the inboard of shell is located the compression roller is provided with the plane of extrusion of slope, and the hose passes between plane of extrusion and the compression roller, and the plane of extrusion is close to the lower extreme position and is provided with the draw-in groove, realizes the on-off control to the hose through the cooperation of the interval of compression roller and the plane of extrusion of slope to realize the fixed of the position when compressing tightly the compression roller through the draw-in groove that sets up on the plane of extrusion.

Furthermore, the central rotating shafts at the two ends of the compression roller penetrate through the shell and are connected with a shifting lever in a rotating mode, the position, through which the central rotating shaft of the compression roller penetrates, of the shell is provided with a vertical guide opening, and guide during up-and-down movement of the compression roller is achieved through the guide opening.

Further, the vacuum collection pipe includes upper cover and storage tube, and the upper end of storage tube is provided with the external screw thread, and the storage tube revolves soon in the lower port of upper cover through the external screw thread, and the hose is fixed at the up end center of upper cover, and the storage tube can be dismantled through external screw thread and upper cover and be connected the convenience and open the storage tube when carrying out blood routine inspection and sample.

Further, upper cover and storage tube all select transparent ya keli material to make for use, and the outside surface of storage tube is provided with the scale mark, conveniently observes and guarantees accurate blood volume of taking a blood through the scale mark that sets up.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in can directly carry out the blood sampling operation to patient through locking mechanism, vacuum collection pipe and syringe needle are fixed together, use the operation more convenient that gets up, insert the intubate of disposable blood taking needle in the operation in the vacuum tube when having avoided current blood sampling operation moreover, avoided external pollutant or bacterium to enter into the degree of accuracy that influences the conventional inspection of blood in the blood of collection, have better protecting effect.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a front view of a blood collection device for routine testing of blood according to the present invention;

fig. 2 is a perspective view of a blood collection device for routine blood testing according to the present invention;

FIG. 3 is a schematic view of a locking mechanism of a blood sampling device for routine blood testing according to the present invention;

fig. 4 is a schematic view of a compression roller of a blood sampling device for routine blood test according to the present invention;

fig. 5 is a schematic view of a vacuum collection tube of a blood collection device for routine testing of blood according to the present invention.

In the figure: 1. a needle cap; 2. a locking mechanism; 21. a housing; 22. extruding surface; 23. a card slot; 24. a joint; 25. a guide opening; 26. a compression roller; 261. a deflector rod; 3. a vacuum collection tube; 31. a hose; 32. an upper cover; 33. an external thread; 34. a storage tube; 4. a needle.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Embodiment 1, please refer to fig. 1, fig. 2 and fig. 5 specifically, a blood sampling device for routine blood testing, comprising a vacuum collection tube 3, a locking mechanism 2 is fixedly disposed on an upper end surface of the vacuum collection tube 3, a detachable needle 4 is fixedly disposed on an upper end of the locking mechanism 2, a needle cap 1 is sleeved on an outer side of the needle 4, a hose 31 is fixedly disposed at a center of the upper end surface of the vacuum collection tube 3, an upper end of the hose 31 is inserted into an inner side of the locking mechanism 2, the hose 31 is communicated with the needle 4, the locking mechanism 2 controls the hose 31 to be opened or closed, the locking mechanism 2, the vacuum collection tube 3 and the needle 4 are fixed together to directly perform blood sampling operation on a patient, the use and the operation are more convenient, the operation of inserting a cannula of a disposable blood sampling needle into the vacuum tube during the existing blood sampling operation is avoided, the external pollutant or bacteria is prevented from entering the collected blood to affect the accuracy of routine blood, has better protection effect.

Specifically, referring to fig. 2 and 4, the locking mechanism 2 includes a square housing 21, a press roller 26 capable of rolling up and down is disposed on the inner side of the housing 21, central rotating shafts at two ends of the press roller 26 penetrate through the housing 21 and are connected with a shift lever 261 in a rotating manner, a vertical guide opening 25 is disposed at a position where the central rotating shaft of the press roller 26 penetrates through the housing 21, the guide of the press roller 26 during up-and-down movement is realized through the guide opening 25, an inclined pressing surface 22 is disposed at one side of the press roller 26 on the inner side of the housing 26, the hose 31 penetrates between the pressing surface 22 and the press roller 26, a clamping groove 23 is disposed at a position of the pressing surface 22 close to the lower end, on-off control of the hose 31 is realized through matching of a distance between the press roller 26 and the inclined pressing surface 22, and fixing of the position of the press roller 26.

Specifically, referring to fig. 5, vacuum collection tube 3 includes upper cover 32 and storage tube 34, upper cover 32 and storage tube 34 all select transparent yakeli material to make, and the outside surface of storage tube 34 is provided with the scale mark, convenient observation and the accurate blood volume of guaranteeing of setting up through the scale mark, the upper end of storage tube 34 is provided with external screw thread 33, and storage tube 34 screws in the lower port of upper cover 32 through external screw thread 33, hose 31 is fixed in the upper end center of upper cover 32, storage tube 34 can be dismantled with upper cover 32 through external screw thread 33 and be connected the convenience and open storage tube 34 when carrying out the conventional inspection of blood and sample.

The working principle is as follows: when the utility model is used, the needle cap 1 is firstly pulled out, then the blood is collected from the patient, after the needle 4 is inserted into the blood vessel, the pressing roller 26 moves forwards by pulling the driving lever 261 forwards, the distance between the pressing roller 26 and the inclined pressing surface 22 is increased, firstly, the flexible pipe 31 is ventilated, at the moment, the blood is sucked in by the suction force generated by the vacuum negative pressure in the vacuum collection pipe 3, when the blood collection amount meets the requirement, the pressing roller 26 is pushed to move downwards by buckling the poking rod 261 with the finger, the distance between the pressing roller 26 and the extrusion surface 22 is reduced, the flexible pipe 31 is extruded to realize the blocking, when the pressing roller 26 moves downwards to the end, the pressing roller 26 is clamped in the clamping groove 23 at the moment to realize fixed position, then the needle head 4 is pulled out of the blood vessel to cover the needle cap 1 on the needle head 4, when the routine blood test is carried out, by screwing the storage tube 34 away from the upper cap 32, a sample can be taken from the storage tube 34 and examined.

The device obtained by the design can basically meet the requirements of convenient use and operation and good protection effect of the blood sampling device, but the designer further improves the device according to the aim of further improving the function of the blood sampling device.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A blood collection device for routine testing of blood, comprising an evacuated collection tube (3), characterized in that: the fixed locking mechanism (2) that is provided with of up end of vacuum collection pipe (3), and the fixed syringe needle (4) that are provided with the dismantlement in upper end of locking mechanism (2), the outside cover of syringe needle (4) is equipped with needle cap (1), the fixed hose (31) that is provided with in up end center of vacuum collection pipe (3), and the inboard of locking mechanism (2) is alternate in the upper end of hose (31), hose (31) and syringe needle (4) intercommunication, locking mechanism (2) control hose (31) break-make.

2. The blood sampling device for routine blood test according to claim 1, wherein the locking mechanism (2) comprises a square housing (21), a press roller (26) capable of rolling up and down is arranged on the inner side of the housing (21), an inclined pressing surface (22) is arranged on one side of the press roller (26) on the inner side of the housing (21), the hose (31) passes through the pressing surface (22) and the press roller (26), and a clamping groove (23) is arranged on the pressing surface (22) close to the lower end.

3. The lancing device for routine blood tests according to claim 2, characterized in that a shift lever (261) is rotatably connected to the central rotating shaft of both ends of the pressure roller (26) passing through the housing (21), and the housing (21) is provided with a vertical guide opening (25) at the position where the central rotating shaft of the pressure roller (26) passes through.

4. A blood collection device for routine blood tests according to claim 3, wherein the vacuum collection tube (3) comprises an upper cap (32) and a storage tube (34), the upper end of the storage tube (34) is provided with an external thread (33), and the storage tube (34) is screwed into the lower port of the upper cap (32) by the external thread (33), and the hose (31) is fixed at the center of the upper end face of the upper cap (32).

5. The blood sampling device for routine blood test as claimed in claim 4, wherein the upper cover (32) and the storage tube (34) are made of transparent acrylic material, and the outer surface of the storage tube (34) is provided with scale marks.