CN215778093U

CN215778093U - Hepatitis B examination blood sample collector

Info

Publication number: CN215778093U
Application number: CN202121192309.7U
Authority: CN
Inventors: 刘倩
Original assignee: First Affiliated Hospital of Nanyang Medical College
Current assignee: First Affiliated Hospital of Nanyang Medical College
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2022-02-11
Anticipated expiration: 2031-05-31

Abstract

The utility model provides a blood sample collector for hepatitis B examination, which comprises a needle cylinder, wherein a slide block is slidably connected in the needle cylinder, one side of the slide block is fixedly connected with a needle head, one side of the needle cylinder is provided with a needle outlet hole, the needle outlet hole is arranged corresponding to the needle head, a liquid guide hose is fixedly connected in the slide block, one side of the needle cylinder is provided with a push rod, the push rod extends into the needle cylinder and is fixedly connected with the slide block, and the other end of the push rod is fixedly connected with a pressing plate; still include the vacuum test tube, vacuum test tube one side is equipped with the feed liquor hole, is equipped with the round hole on the clamp plate, and cylinder one side is equipped with the through-hole, and it is intraductal that the drain hose can stretch into the vacuum test tube, is equipped with fixing device on the slider, is equipped with sealing device in the vacuum test tube. The utility model has the advantages that when blood is collected, the needle head can extend out of the needle cylinder, and can return to the needle cylinder after collection is finished, so that medical care personnel can be prevented from being accidentally injured by the needle head after collection is finished; after collection, the drainage tube is separated from the vacuum blood collection tube, and the blood collected in the vacuum blood collection tube can be sealed.

Description

Hepatitis B examination blood sample collector

Technical Field

The utility model relates to the technical field of blood sample collection, in particular to a hepatitis B test blood sample collector.

Background

In the collection of hepatitis B test blood samples, the collector is a disposable medical device, when the needle is pulled out after blood collection, the exposed needle easily causes accidental injury to medical personnel, and the exposed needle also can accidentally injure other people to cause infection when being discarded. Besides the needle used for collection, the existing disposable blood sample collector needs to insert another puncture needle into the vacuum collection tube for storing blood, so that the blood in the collection needle is introduced into the vacuum collection tube through the puncture needle; as a disposable medical device, the puncture needle not only increases the manufacturing cost of the collector, but also is likely to accidentally injure others and cause infection and bring unexpected danger because most puncture needles are directly exposed outside without being protected during waste treatment.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems existing in the background technology, the utility model adopts the technical scheme that:

a blood sample collector for hepatitis B examination comprises a needle cylinder, wherein a slide block is connected in the needle cylinder in a sliding manner, a needle head is fixedly connected to one side of the slide block, a needle outlet hole is formed in one side of the needle cylinder and corresponds to the needle head, a liquid guide hole is formed in the slide block, a liquid guide hose is fixedly connected in the liquid guide hole, one end of the liquid guide hose penetrates through the liquid guide hole and extends into the needle head, two guide holes are formed in one side of the needle cylinder, a push rod is connected in each guide hole in a sliding manner, one end of each push rod extending into the needle cylinder is fixedly connected with one side of the slide block, and one end of each push rod extending out of the needle cylinder is fixedly connected with a pressing plate;

still include the vacuum test tube, vacuum test tube one side is equipped with the feed liquor hole, be equipped with the round hole on the clamp plate, cylinder one side is equipped with the through-hole, it is intraductal that the drain hose other end passes through-hole and round hole in proper order and stretches into the vacuum test tube from the feed liquor hole, be equipped with the fixing device who is used for at cylinder internal fixation on the slider, be equipped with sealing device in the vacuum test tube.

Preferably, fixing device includes two dead levers, be equipped with two parallel arrangement slide opening on the slider, slide opening and dead lever one-to-one set up, every the equal sliding connection of dead lever is in the slide opening that corresponds, every all be equipped with the spring in the slide opening, every the equal fixed connection of spring is between slide opening hole bottom and dead lever, the cylinder is equipped with two parallel arrangement's first fixed orifices, the cylinder is equipped with two parallel arrangement's second fixed orifices, first fixed orifices and second fixed orifices all set up with the dead lever one-to-one.

Preferably, each end of the fixing rod is provided with a spherical cavity, and each spherical cavity is internally connected with a rolling ball in a rolling manner.

Preferably, sealing device includes the closure plate, the closure plate setting is in vacuum blood sampling pipe, the end cap is connected to closure plate one side integral type, the end cap corresponds the setting with the feed liquor hole, the drain hose stretch into vacuum blood sampling pipe one end cup joint on the end cap outer wall and with closure plate one side fixed connection, the drain hose stretches into vacuum blood sampling pipe one end and is equipped with a plurality of drainage holes.

Preferably, the drainage hose stretches into the inner wall fixed connection rubber slab of one end of the vacuum blood collection tube, and one side of the rubber slab is connected with the plug in an adhesive manner.

Preferably, the second fixing hole of the needle cylinder and the outer wall of the needle outlet hole are both connected with a protective film in an adhesive mode.

The utility model has the advantages that: when the blood sample collector for hepatitis B test provided by the utility model is not used, the needle head can be hermetically stored in the needle cylinder, so that the infection of external bacteria is avoided; when blood needs to be collected, the needle head can extend out of the needle cylinder to collect the blood, and the needle head can return into the needle cylinder after the collection is finished, so that medical workers are prevented from being accidentally injured by the needle head after the collection is finished; and after collection, the blood collected in the vacuum blood collection tube can be sealed only by pulling the drainage hose to separate from the vacuum blood collection tube, so that the collected blood can be stored and taken conveniently, and a puncture needle for puncturing the vacuum blood collection tube can be omitted, so that materials are saved, and the cost of collecting blood at one time is reduced.

Drawings

The utility model and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the utility model.

FIG. 1 is a schematic diagram of the basic structure of the present invention;

FIG. 2 is a view showing the state in which the needle is sealed in the cylinder;

FIG. 3 is an enlarged view of E in FIG. 2;

fig. 4 is a schematic view of the basic structure of the sealing device.

Detailed Description

The utility model will be further described with reference to the following drawings and specific examples, which are not intended to limit the utility model thereto.

Example 1

As shown in fig. 1-4, the blood sample collector for hepatitis b test provided by the utility model comprises a circular needle cylinder 1, wherein a slide block 2 is slidably connected in the needle cylinder 1, and the slide block 2 can be attached to the inner wall of the needle cylinder 1 to slide in a reciprocating manner. One side of the sliding block 2 is fixedly connected with a needle head 3, one side of the needle cylinder 1 is provided with a needle outlet hole 11, the needle outlet hole 11 is arranged corresponding to the needle head 3, and the tip end of the needle head 3 faces the direction of the needle outlet hole 11. The center of the slide block 2 is provided with a liquid guide hole, a liquid guide hose 31 is fixedly connected in the liquid guide hole, one end of the liquid guide hose 31 penetrates through the liquid guide hole and extends into the needle head 3, and the liquid guide hose 31 is communicated with the needle head 3. Syringe 1 one side is equipped with two guiding holes, equal sliding connection push rod 4 in every guiding hole, and two push rods 4 stretch into the one end in the syringe 1 all with slider 2 one side fixed connection, and two push rods 4 stretch out the common fixed connection clamp plate 5 of 1 one end of syringe, press clamp plate 5, can make slider 2 drive syringe needle 3 and move towards the direction of going out pinhole 11 to make syringe needle 3 stretch out syringe 1 from going out pinhole 11. Still include circular shape

vacuum test tube

6, 6 one sides of vacuum test tube are equipped with the feed liquor hole, are equipped with the round hole on

clamp plate

5, and 1 one side of cylinder is equipped with the through-hole, and the drain hose 31 other end passes through-hole and round hole in proper order and stretches into in the vacuum test tube 6 from the feed liquor hole. Be equipped with the fixing device who is used for at cylinder 1 internal fixation on slider 2, fixing device includes two dead levers 7, is equipped with two parallel arrangement slide opening 71 on slider 2, and slide opening 71 and dead lever 7 one-to-one set up, and the equal sliding connection of every dead lever 7 is in the slide opening 71 that corresponds, and every dead lever 7 end all is equipped with spherical chamber, and the equal roll connection spin 75 in every spherical chamber. Each sliding hole 71 is internally provided with a spring 72, each spring 72 is fixedly connected between the bottom of the sliding hole 71 and the fixing rod 7, the needle cylinder 1 is provided with two first fixing holes 73 which are arranged in parallel, the needle cylinder 1 is provided with two second fixing holes 74 which are arranged in parallel, and the first fixing holes 73 and the second fixing holes 74 are arranged in one-to-one correspondence with the fixing rods 7. The spring 72, in its free state, enables the two balls 75 to lie against the inner wall of the barrel 1. When the collector is not used, the two fixing rods 7 can extend out of the needle cylinder 1 from the corresponding first fixing holes 73, and the needle outlet 3 on one side of the sliding block 2 is in a fixed state in the needle cylinder 1; when this collector needs to use, simultaneously to two dead levers 7 of extrusion in pinhole 11, make dead lever 7 drive spin 75 from slide opening 71 get into in the cylinder 1, then press the clamp plate 5 towards play pinhole 11 direction, clamp plate 5 makes slider 2 drive out syringe needle 3 and move towards play pinhole 11 direction, and simultaneously, under spring 72's effort, two spin 75 can paste and move along with slider 2 at cylinder 1 inner wall, when two spin 75 roll to the position of second fixed orifices 74, spring 72 can push out the cylinder 1 with dead lever 7 from second fixed orifices 74, make slider 2 fixed in cylinder 1, and make syringe needle 3 stretch out cylinder 1 from play pinhole 11, so as to the collection to examiner's blood. After the collection ends, press dead lever 7 and pulling clamp plate 5 for in slider 2 drives out syringe needle 3 and gets back to cylinder 1, syringe needle 3 after avoiding the collection accidentally injures medical personnel.

A sealing device is arranged in the vacuum blood collection tube 6. Sealing device includes the closure plate 8 of rubber material, and the setting of closure plate 8 is in vacuum test tube 6, and the end cap 81 of rubber material is connected to 8 one side integral types of closure plate, and end cap 81 corresponds the setting with the feed liquor hole, and end cap 81 stretches into and can seal the feed liquor hole after the feed liquor is downthehole. The liquid guide hose 31 extends into one end of the vacuum blood collection tube 6 and is sleeved on the outer wall of the plug 81 and fixedly connected with one side of the blocking plate 8, and the liquid guide hose 31 is sleeved on the outer wall of the plug 81, so that the plug 81 made of rubber materials can be tightly wrapped in the liquid guide hose 31 through the liquid guide hose 31, and the plug 81 is in a compressed state. The end of the drainage tube 31 extending into the vacuum blood collection tube 6 is provided with a plurality of drainage holes 82. When needle 3 pricks the inspector vein and carries out blood collection, blood can get into vacuum blood collection tube 6 through drain hose 31 from needle 3, and the blood that gets into the drain hose 31 section in vacuum blood collection tube 6 can follow drainage hole 82 and flow into in vacuum blood collection tube 6 to carry out the collection of blood. The liquid guiding hose 31 extends into the inner wall of one end of the vacuum blood collection tube 6 to be fixedly connected with the rubber plate 9, and one side of the rubber plate 9 is connected with the plug 81 in an adhesive manner. Rubber sheet 9 can play the effect of keeping apart blood and end cap 81, gather sufficient blood in vacuum test tube 6 after, to feed liquor hole direction pulling drain hose 31, make the drain hose 31 that cup joints end cap 81 drive through rubber sheet 9 that end cap 81 stretches into in the feed liquor hole, then continue to exert oneself to feed liquor hole direction pulling drain hose 31, make rubber sheet 9 and end cap 81 separation through adhesive connection, rubber sheet 9 separates the back with end cap 81, drain hose 31 also can separate with end cap 81, end cap 81 is no longer wrapped up by drain hose 31, slight inflation can take place for end cap 81, make end cap 81 can be sealed completely with the feed liquor hole, thereby make blood can be sealed by the storage in vacuum test tube 6, so that deposit and take. The outer walls of the second fixing hole 74 and the needle outlet hole 11 of the needle cylinder 1 are both connected with the protective film 12 in an adhesive mode, and when the collector is not used, the second fixing hole 74 and the needle outlet hole 11 are in a state of being sealed by the protective film 12, so that the needle head 3 in the needle cylinder 1 cannot be infected by external bacteria.

When the needle is used, the two fixing rods 7 are simultaneously extruded towards the needle hole 11, so that the fixing rods 7 drive the rolling balls 75 to enter the needle cylinder 1 from the sliding holes 71, then the pressing plate 5 is pressed towards the direction of the needle outlet hole 11, and the pressing plate 5 can drive the needle outlet 3 to move towards the direction of the needle outlet hole 11 by the sliding block 2. When the two rolling balls 75 roll to the position of the second fixing hole 74, the two fixing rods 7 will burst the protective film 12 attached to the second fixing hole 74 and push the syringe 1 out from the second fixing hole 74, so that the slider 2 is fixed in the syringe 1, and at the same time, the needle 3 will penetrate the protective film 12 of the needle hole 11 and extend out of the syringe 1, thereby collecting blood for the examiner.

After gathering sufficient blood in vacuum test tube 6, pulling drain hose 31, make the drain hose 31 that cup joints end cap 81 together stretch into the feed liquor hole with end cap 81, then continue to stimulate drain hose 31 hard, make rubber slab 9 and end cap 81 separation through adhesive connection, rubber slab 9 and end cap 81 after-separating, end cap 81 can be sealed the feed liquor hole completely, thereby make blood can be sealed to be stored in vacuum test tube 6, so that deposit and take blood.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A hepatitis B test blood sample collector, includes cylinder (1), its characterized in that: the needle cylinder is characterized in that a sliding block (2) is connected in the needle cylinder (1) in a sliding mode, a needle head (3) is fixedly connected to one side of the sliding block (2), a needle outlet hole (11) is formed in one side of the needle cylinder (1), the needle outlet hole (11) is arranged corresponding to the needle head (3), a liquid guide hole is formed in the sliding block (2), a liquid guide hose (31) is fixedly connected to the liquid guide hole, one end of the liquid guide hose (31) penetrates through the liquid guide hole and extends into the needle head (3), two guide holes are formed in one side of the needle cylinder (1), a push rod (4) is connected to each guide hole in a sliding mode, one end, extending into the needle cylinder (1), of each push rod (4) is fixedly connected to one side of the sliding block (2), and one end, extending out of the needle cylinder (1), of each push rod (4) is fixedly connected with a pressing plate (5) together;

still include vacuum test tube (6), vacuum test tube (6) one side is equipped with the feed liquor hole, be equipped with the round hole on clamp plate (5), cylinder (1) one side is equipped with the through-hole, drain hose (31) other end passes through-hole and round hole in proper order and stretches into vacuum test tube (6) from the feed liquor hole in, be equipped with on slider (2) and be used for the fixing device at cylinder (1) internal fixation, be equipped with sealing device in vacuum test tube (6).

2. A blood sample collector for hepatitis b test according to claim 1, wherein: the fixing device comprises two fixing rods (7), two parallel-arranged sliding holes (71) are formed in the sliding block (2), the sliding holes (71) are arranged in a one-to-one correspondence mode with the fixing rods (7), each fixing rod (7) is connected into the corresponding sliding hole (71) in a sliding mode, each sliding hole (71) is internally provided with a spring (72) and each spring (72) is fixedly connected between the bottom of the corresponding sliding hole (71) and the corresponding fixing rod (7), the needle cylinder (1) is provided with two parallel-arranged first fixing holes (73), the needle cylinder (1) is provided with two parallel-arranged second fixing holes (74), and the first fixing holes (73) and the second fixing holes (74) are all arranged in a one-to-one correspondence mode with the fixing rods (7).

3. A blood sample collector for hepatitis b test according to claim 2, wherein: each end of the fixing rod (7) is provided with a spherical cavity, and each spherical cavity is internally connected with a rolling ball (75) in a rolling manner.

4. A blood sample collector for hepatitis b test according to claim 1, wherein: sealing device includes closure plate (8), closure plate (8) set up in vacuum test tube (6), end cap (81) is connected to closure plate (8) one side integral type, end cap (81) correspond the setting with the feed liquor hole, drain hose (31) stretch into vacuum test tube (6) one end cup joint on end cap (81) outer wall and with closure plate (8) one side fixed connection, drain hose (31) stretch into vacuum test tube (6) one end and are equipped with a plurality of drainage holes (82).

5. A blood sample collector for hepatitis b test according to claim 1, wherein: drain hose (31) stretch into vacuum test tube (6) one end inner wall fixed connection rubber slab (9), rubber slab (9) one side and end cap (81) adhesive bonding.

6. A blood sample collector for hepatitis b test according to claim 1, wherein: and protective films (12) are respectively connected to the outer walls of the second fixing hole (74) and the needle outlet hole (11) of the needle cylinder (1) in an adhesive manner.