Anti-falling type anticoagulation vacuum blood collection tube

Abstract

The utility model relates to the field of blood collection tubes, in particular to an anti-falling type anti-coagulation vacuum blood collection tube which comprises a blood collection tube body, a fixing body, a connecting body, a blood guide tube, a sealing plug, a sealing film, a sealing gasket, an anti-pressing cylinder and a needle head, the fixing body is installed on the upper side of the blood collection tube body, and the sealing gasket is installed between the blood collection tube body and the fixing body. The connecting body is installed on the upper side of the fixing body, the anti-pressing barrel is installed in the middle of the upper side of the connecting body, the blood guiding pipe is installed in the anti-pressing barrel, the blood guiding pipe at the connecting position can be prevented from being pressed through the anti-pressing effect of the anti-pressing barrel, and the risk that blood guiding is blocked and unsmooth due to pressing is avoided; a sealing film is arranged at the joint of the bottom of the inner side of the anti-pressing cylinder and the blood guide tube; a sealing plug is arranged at the right end of the anti-pressing cylinder.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of blood collection tube, specifically to a kind of anti-falling type anticoagulation vacuum blood collection tube. BACKGROUND

[0002] Blood collection tube is special container for collecting blood sample in medical examination, they usually contain different additives to ensure the stability and accuracy of blood sample during collection, transportation and analysis, Chinese patent discloses a kind of anti-falling type anticoagulation vacuum blood collection tube (authorized announcement number CN 217138070 U), the patent technology can be connected by setting anti-falling device, has in the process of blood collection, to the blood collection tube connected to the connecting port is extruded, try to prevent blood collection tube from the connecting port place separation, to facilitate medical staff to use blood collection tube body to carry out blood sampling operation The effect of operation, but, the push plate will extrude blood collection tube, push plate continues to move and makes arc plate and push plate and blood collection tube tightly contact, arc plate and push plate reach extruding blood collection tube, blood collection tube exists in the connection place Over-pressing condition, leading to blood collection blockage not smooth. Therefore, the technical personnel in the art provide a kind of anti-falling type anticoagulation vacuum blood collection tube to solve the problems raised in the above background art. SUMMARY

[0003] To solve the above technical problems, the utility model provides a kind of anti-falling type anticoagulation vacuum blood collection tube, including blood collection tube body, fixed body, connecting body, blood collection tube, sealing plug, sealing film, sealing gasket, pressure preventing cylinder and needle, fixed body is installed on blood collection tube body upper side, sealing gasket is installed between blood collection tube body and fixed body, connecting body is installed on fixed body upper side, pressure preventing cylinder is installed on connecting body upper side middle position, blood collection tube is installed in pressure preventing cylinder, needle is connected and installed at the bottom of blood collection tube, sealing film is equipped at the connection of the inner side bottom of pressure preventing cylinder and blood collection tube, sealing plug is equipped at the right side end of pressure preventing cylinder.

[0004] Preferably, the outer wall of the blood collection tube body is provided with a limiting ring plate, the upper end of the limiting ring plate is provided with an external thread cylinder, the inner wall of the external thread cylinder is provided with a No.1 convex ring plate, the outer side of the external thread cylinder is provided with a limiting cylinder, the outer wall of the limiting cylinder is provided with a friction pattern, and the inner side of the limiting cylinder is provided with a No.2 convex ring plate.

[0005] Preferably, the No.2 convex ring plate and the No.1 convex ring plate are provided with a sealing gasket therebetween, the upper end of the No.2 convex ring plate is provided with a groove, a guide block is installed in the groove, a convex cylinder is installed on the upper side of the No.2 convex ring plate, the convex cylinder is installed on the lower side of the connecting body, a clamping block is installed on the outer wall of the convex cylinder, and the clamping block can be clamped into the groove and combined with the guide block.

[0006] Preferably, the connecting body is provided with a pressure preventing cylinder at the middle position of the upper side, the outer wall of the pressure preventing cylinder is provided with a No.3 convex ring plate, a limiting groove is arranged between the No.3 convex ring plate and the connecting body, a sleeve ring is installed in the limiting groove, a connecting chain is installed by connecting the sleeve ring, a convex plate is installed at the other end of the connecting chain, and a sealing plug is installed at the bottom of the convex plate.

[0007] The technical effects and advantages of the utility model are as follows:

[0008] 1. The anti-pressing cylinder is installed at the middle position of the upper side of the connecting body, and the blood leading pipe is installed in the anti-pressing cylinder, so that the blood leading pipe at the connecting position can be prevented from being pressed, and the risk of the blood leading pipe being blocked due to the pressure is avoided;

[0009] 2. The blood collection tube body 1 and the fixed body 2 are installed in the form of threads, the friction between the threaded stud and the nut is large, a better fastening effect can be achieved, the connection is firm and reliable, the tightness of the threaded connection is very strong, the connection parts are mutually engaged, liquid or gas leakage can be effectively prevented, the direction and position restrictions do not need to be considered during installation, the operation is simple and easy to install;

[0010] 3. The fixed body and the connecting body are installed in the form of clamping, the clamping block can be clamped into the groove and attached to the guide block, the structure is simple and the fastening effect is good, and the risk of falling off does not occur. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 is a structure schematic diagram of an anti-falling type anticoagulation vacuum blood collection tube provided by the embodiment of the application;

[0012] Figure 2 is a cross-sectional structure schematic diagram of an anti-falling type anticoagulation vacuum blood collection tube provided by the embodiment of the application;

[0013] Figure 3 is an explosion structure schematic diagram of an anti-falling type anticoagulation vacuum blood collection tube provided by the embodiment of the application;

[0014] Figure 4 is a structure schematic diagram of an anti-falling type anticoagulation vacuum blood collection tube provided by the embodiment of the application; Figure 3

[0015] Figure 5 is an explosion structure schematic diagram of a part of an anti-falling type anticoagulation vacuum blood collection tube provided by the embodiment of the application.

[0016] In the figure: 1, blood collection tube body; 2, fixed body; 3, connecting body; 4, blood leading pipe; 5, sealing plug; 6, sealing film; 7, sealing gasket; 101, limiting ring plate; 102, outer thread cylinder; 103, No. 1 convex ring plate; 201, friction thread; 202, limiting cylinder; 203, No. 2 convex ring plate; 204, groove; 205, guide block; 301, convex cylinder; 302, clamping block; 303, No. 3 convex ring plate; 304, limiting groove; 305, anti-pressing cylinder; 401, needle; 501, convex plate; 502, connecting chain; 503, sleeve ring. DETAILED DESCRIPTION ​

[0017] The embodiments of the present application are given for the purpose of illustration and description only, and are not intended to be exhaustive or to limit the present application to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments were chosen and described in order to best explain the principles of the present application and its practical application, and to enable others skilled in the art to understand the present application for various embodiments with various modifications as are suited to the particular use contemplated. Embodiments

[0018] Please refer to Figures 1-5 In the embodiment, a kind of anti-falling type anticoagulation vacuum blood collection tube is provided, including blood collection tube body 1, fixed body 2, connecting body 3, blood introduction tube 4, sealing plug 5, sealing film 6, sealing gasket 7, pressure preventing cylinder 305 and needle 401, fixed body 2 is installed on the upper side of blood collection tube body 1, sealing gasket 7 is installed between blood collection tube body 1 and fixed body 2, connecting body 3 is installed on the upper side of fixed body 2, pressure preventing cylinder 305 is installed in the middle position of the upper side of connecting body 3, blood introduction tube 4 is installed in pressure preventing cylinder 305, needle 401 is connected and installed at the bottom of blood introduction tube 4, sealing film 6 is arranged at the connection between the inner side bottom of pressure preventing cylinder 305 and blood introduction tube 4, sealing plug 5 is arranged at the right side end of pressure preventing cylinder 305;

[0019] Specifically, the outer side wall of the blood collection tube body 1 is provided with a limiting ring plate 101, the upper end of the limiting ring plate 101 is provided with an external thread cylinder 102, the inner side wall of the external thread cylinder 102 is provided with a first convex ring plate 103, the outer side of the external thread cylinder 102 is provided with a limiting cylinder 202, the outer side wall of the limiting cylinder 202 is provided with a friction thread 201, the inner side of the limiting cylinder 202 is provided with a second convex ring plate 203, the sealing gasket 7 is arranged between the second convex ring plate 203 and the first convex ring plate 103, the upper end of the second convex ring plate 203 is provided with a groove 204, the guiding block 205 is arranged in the groove 204, the convex cylinder 301 is arranged on the upper side of the second convex ring plate 203, the convex cylinder 301 is arranged on the lower side of the connecting body 3, the clamping block 302 is arranged on the outer side wall of the convex cylinder 301, the clamping block 302 can be clamped into the groove 204 and abut with the guiding block 205, the pressure preventing cylinder 305 is arranged in the middle position of the upper side of the connecting body 3, the third convex ring plate 303 is arranged on the outer side wall of the pressure preventing cylinder 305, the limiting groove 304 is arranged between the third convex ring plate 303 and the connecting body 3, the sleeve ring 503 is arranged in the limiting groove 304, the connecting chain 502 is connected and arranged on the sleeve ring 503, the convex plate 501 is connected and arranged on the other end of the connecting chain 502, the sealing plug 5 is arranged on the bottom of the convex plate 501.

[0020] The working principle of the present application is:

[0021] In use of the anti-falling type anticoagulation vacuum blood collection tube, the anti-pressing cylinder 305 is arranged at the middle position of the upper side of the connecting body 3, and the blood leading tube 4 is arranged in the anti-pressing cylinder 305, so that the blood leading tube 4 at the connecting position can be prevented from being pressed, and the risk of blockage of the blood leading tube caused by pressure is avoided, the tube body 1 and the fixing body 2 are arranged in threaded form, the friction between the threaded stud and the nut is large, better fastening effect can be achieved, the connection is firm and reliable, the tightness of the threaded connection is strong, the connection parts are mutually engaged, liquid or gas leakage can be effectively prevented, the direction and position limitation need not be considered during installation, the operation is simple, and the installation is easy.

[0022] Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art and related fields without creative labor shall belong to the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application, if not specially described and limited, are implemented according to the conventional means in the art.

Claims

1. An anti-falling type anti-coagulation vacuum blood collection tube, characterized in that, The application relates to a blood collection tube, which comprises a blood collection tube body (1), a fixing body (2), a connecting body (3), a blood guide tube (4), a sealing plug (5), a sealing film (6), a sealing gasket (7), a pressure-proof cylinder (305) and a needle (401), the fixing body (2) is arranged on the upper side of the blood collection tube body (1), the sealing gasket (7) is arranged between the blood collection tube body (1) and the fixing body (2), the connecting body (3) is arranged on the upper side of the fixing body (2), the pressure-proof cylinder (305) is arranged on the upper side of the connecting body (3), the blood guide tube (4) is arranged in the pressure-proof cylinder (305), the needle (401) is connected to the bottom of the blood guide tube (4), the sealing film (6) is arranged at the connecting position between the inner side bottom of the pressure-proof cylinder (305) and the blood guide tube (4), and the sealing plug (5) is arranged at the right side end of the pressure-proof cylinder (305).

2. The anti-drop type anticoagulation vacuum blood collection tube according to claim 1, wherein, The outer side wall of the blood collection tube body (1) is provided with a limiting ring plate (101), and the upper end of the limiting ring plate (101) is provided with an external thread cylinder (102); the inner side wall of the external thread cylinder (102) is provided with a first convex ring plate (103).

3. The anti-drop type anticoagulation vacuum blood collection tube according to claim 2, characterized in that, The outer side of the external thread cylinder (102) is provided with a limiting cylinder (202), and the outer side wall of the limiting cylinder (202) is provided with a friction thread (201); the inner side of the limiting cylinder (202) is provided with a second convex ring plate (203).

4. The anti-exfoliation type anticoagulation vacuum blood collection tube according to claim 3, characterized in that, The second convex ring plate (203) and the first convex ring plate (103) are provided with the sealing gasket (7) arranged therebetween.

5. The anti-exfoliation type anticoagulation vacuum blood collection tube according to claim 4, characterized in that, The upper end of the second convex ring plate (203) is provided with a recess (204), and the recess (204) is provided with a guide block (205) arranged therein.

6. The anti-exfoliation type anticoagulation vacuum blood collection tube according to claim 5, characterized in that, The upper side of the second convex ring plate (203) is provided with a convex cylinder (301), the convex cylinder (301) is arranged on the lower side of the connecting body (3), the outer side wall of the convex cylinder (301) is provided with a clamping block (302), and the clamping block (302) can be clamped into the recess (204) and abut against the guide block (205).

7. The anti-drop type anticoagulation vacuum blood collection tube according to claim 6, characterized in that, The upper side of the connecting body (3) is provided with the pressure-proof cylinder (305), the outer side wall of the pressure-proof cylinder (305) is provided with a third convex ring plate (303), and the third convex ring plate (303) and the connecting body (3) are provided with a limiting groove (304).

8. The anti-exfoliation type anticoagulant vacuum blood collection tube according to claim 7, characterized in that, The limiting groove (304) is provided with a sleeve ring (503), the sleeve ring (503) is connected with a connecting chain (502), the other end of the connecting chain (502) is connected with a convex plate (501), and the bottom of the convex plate (501) is provided with the sealing plug (5).

Images