CN219306722U - A child safety blood collection device - Google Patents

Abstract

The utility model belongs to the technical field of medical auxiliary assembly, concretely relates to children safety hemostix, including the installation casing, the inside slip of installation casing is provided with extrusion device, extrusion device includes extrusion piece, guide bar, elasticity propelling movement piece, spacing ring, guide way, extrusion pole and extrusion post, the extrusion piece slides and sets up in the inside of installation casing, the one end of guide bar and the inside fixed connection of installation casing, elasticity propelling movement piece sets up in the outer fringe of guide bar, the other end fixed connection of spacing ring and guide bar to with the inside sliding connection of extrusion piece, the guide way is seted up in one side of extrusion piece, the extrusion pole slides and sets up in the inside of guide way, the lower extreme fixed connection of extrusion post and extrusion piece. The utility model discloses can avoid children to see the syringe needle when taking a blood sample, avoid children to arouse fear psychology, cause further injury, can be with the inside of taking a blood sample casing with the blood taking needle income all the time simultaneously, can effectively avoid cross infection.

Description

A child safety blood collection device

technical field

The utility model belongs to the technical field of medical auxiliary equipment, and in particular relates to a child safety blood sampling device.

Background technique

At present, medical institutions generally use blood collection needles directly for blood collection during routine blood collection. Although this method can be used for one needle per person, it will not be cross-infected. Struggling to cause further injury, if the blood collection needle is used in conjunction with the blood collection pen, the blood collection needle is installed in the blood collection pen, after the acupuncture is fired, the blood collection needle is removed, and another blood collection needle is installed for use again, because the blood collection pen is countless. Repeated use can easily cause cross-infection. Simultaneously medical worker directly touches blood collection needle, when blood collection needle is manually loaded and taken, is easy to pierce accidentally, causes cross-infection, has certain potential safety hazard, as the announcement number is that a kind of pediatric blood collection device disclosed by CN212186509U is added The hinge seat and the buckle make the first shell and the second shell detachably spliced together. At the same time, the shell is provided with an isolation round table so that the cavity inside the blood collection tube is divided into an independent needle firing chamber and a collection tube chamber. In this way, the functions realized by the blood collection needle and the peripheral blood collection tube are integrated together, so that the doctor only needs to flip the up and down direction of the blood collection tube in his hand to quickly switch; however, the medical staff still need to manually replace the exposed needle transmitter, which is very easy in When changing, it will cause injury to medical staff, which will lead to cross infection.

Utility model content

The purpose of this utility is to provide a child safety blood collection device, which can prevent children from seeing the needle during blood collection, avoid children from causing fear, and cause further damage. cross infection.

The technical scheme that this utility takes is specifically as follows:

A child safety blood drawer, comprising a mounting housing, a squeezing device is slidably arranged inside the mounting housing, and the squeezing device includes a squeezing block, a guide rod, an elastic push piece, a limit ring, a guide groove, a squeeze Pressing rod and extruding column, the extruding block is slidably arranged inside the installation housing, one end of the guide rod is fixedly connected with the inside of the installation housing, and the elastic push piece is arranged on the outer edge of the guide rod, so The limiting ring is fixedly connected with the other end of the guide rod, and is slidably connected with the inside of the extrusion block. The guide groove is opened on one side of the extrusion block, and the extrusion rod is slidably arranged inside the guide groove. The extruding column is fixedly connected to the lower end of the extruding block, and the lower part of the installation housing is provided with a clamping device, and the inside of the clamping device clamps the blood collection device.

The utility model is further set as: the inside of the guide groove is divided into an extruded section and a horizontal section, one end of the extruded section is provided with a first guide block, and one side of the first guide block is provided with a first elastic return The other end of the extrusion section is provided with a second guide block, and one side of the second guide block is provided with a second elastic reset member.

The utility model is further set as: the first guide block is set as a slope on one side of the horizontal section, and the other side of the first guide block cooperates with the inside of the extruded section.

The utility model is further configured as follows: the second guide block and one side of the extruding section are set as an inclined plane, and the other end of the second guide block cooperates with the inside of the horizontal section.

The utility model is further configured as follows: the clamping device includes a clamping seat, an elastic extruding part, a linkage rod, a sliding seat and a shift block, the clamping seat is slidably arranged inside the installation housing, and the elastic extruding part It is arranged between the clamping seat and the installation shell, the lower end of the linkage rod is hinged with the upper part of the clamping seat, both sides of the sliding seat are hinged with the upper end of the linkage rod, and the shifting block and the sliding seat are hinged. One side is fixedly connected and is slidably connected to the interior of the mounting housing.

The utility model is further configured as follows: the blood collection device includes a fixed cover, a through groove, a blood collection shell, a fixed seat, a blood collection needle and an elastic return member, the fixed cover is matched with the inner side of the clamping seat, and the through groove is set in At the axis of the fixed cover, the upper end of the blood collection housing is fixedly connected with the fixed cover, the fixed seat is slidably arranged inside the blood collection housing, the axis of the fixed seat is fixedly connected with the blood collection needle, and the elastic The reply part is arranged between the blood collection casing and the fixing seat.

The practical technical effect that obtains is:

The practical child safety blood collection device adopts the design of the extrusion device and the blood collection device. By applying pressure to the extrusion block, it shrinks into the interior of the installation housing, and then the upper end of the extrusion rod is pushed along the direction of the guide groove. The front end first moves downward to squeeze the fixing seat, so that the blood collection needle gradually protrudes from the inside of the blood collection housing, so as to pierce the target skin for blood collection. As the extrusion block continues to move to the inside of the installation housing, the The upper end of the extruding rod moves upward gradually along the rear end of the extruding section, and the fixing seat is squeezed and moved upward by the elastic return member, so that the blood collection needle gradually moves upwards with the fixing seat and gradually enters the inside of the blood collection housing. At this time, the extruding block is completely Shrink into the inside of the installation housing, so as to complete the rapid sliding of the extrusion rod in the vertical direction and the extension and contraction of the blood collection needle. At the same time, the blood collection needle shrunk inside the blood collection housing can avoid hurting others and causing cross-infection .

The practical child safety blood collection device adopts the design of the clamping device and the blood collection device, so that the inside of the clamping seat can snap the fixed cover into it, thereby completing the locking of the blood collection device. When moving, it drives the sliding seat to move downward, and squeezes the upper end of the linkage rod to move downward, so that the lower end of the linkage rod slides to both sides, and drives the clamping seats on both sides to move horizontally to both sides, so that the clamping seat enters the unlocking position state; when the shifting block loses extrusion, the clamping seat is elastically restored by the elastic extrusion part, so that the clamping seat gradually moves horizontally and approaches each other to enter the locked state, and at the same time drives the lower end of the linkage rod to move. The upper end of the linkage rod is moved upwards, and at the same time, the sliding seat is driven to the initial position, so far the locking and unlocking of the blood collection device by the clamping seat is completed, so as to realize the replacement and fixation of the blood collection device.

Description of drawings

Fig. 1 is the overall schematic diagram of the practical embodiment;

Fig. 2 is an overall side sectional view of the practical embodiment;

Fig. 3 is the exploded view of the extruding device of the practical embodiment;

Fig. 4 is an exploded view of the blood collection device of the practical embodiment;

Fig. 5 is an exploded view of the clamping device of the practical embodiment;

Fig. 6 is a schematic diagram of one end of the extrusion rod in the guide groove of the practical embodiment;

Fig. 7 is a schematic diagram of the extrusion rod in the lower end of the guide groove according to the practical embodiment;

Fig. 8 is a schematic diagram of the extrusion rod at the other end of the guide groove according to the practical embodiment.

In the accompanying drawings, the list of parts represented by each label is as follows:

1. Installation shell; 2. Extrusion device; 201, extrusion block; 202, guide rod; 203, elastic push piece; 204, limit ring; 205, guide groove; 2051, extrusion section; 2052, horizontal section ; 2053, the first guide block; 2054, the first elastic reset member; 2055, the second guide block; 2056, the second elastic reset member; 206, the extrusion rod; 207, the extrusion column; 3, the clamping device; , clamping seat; 302, elastic extruded piece; 303, linkage rod; 304, sliding seat; 305, dial block; 4, blood collection device; 401, fixed cover; 402, through groove; Fixed seat; 405, blood collection needle; 406, elastic recovery piece.

Detailed ways

In order to make the purpose and advantages of the present application clearer, the present application will be specifically described below in conjunction with the embodiments. It should be understood that the following words are only used to describe one or several specific implementation modes of the present application, and do not strictly limit the protection scope of the specific request of the present application.

As shown in Figures 1 to 8, a child safety blood drawer includes an installation housing 1, and an extrusion device 2 is slidably arranged inside the installation housing 1, and the extrusion device 2 includes an extrusion block 201, a guide rod 202, an elastic Push piece 203, limit ring 204, guide groove 205, extruding rod 206 and extruding post 207, extruding block 201 is slidably arranged inside the installation housing 1, and one end of the guide rod 202 is fixed to the inside of the installation housing 1 connection, the elastic push piece 203 is arranged on the outer edge of the guide rod 202, the stop ring 204 is fixedly connected with the other end of the guide rod 202, and is slidably connected with the inside of the extrusion block 201, and the guide groove 205 is opened on the edge of the extrusion block 201 On one side, the extrusion rod 206 is slidably arranged inside the guide groove 205, the extrusion column 207 is fixedly connected with the lower end of the extrusion block 201, the lower part of the installation housing 1 is provided with a clamping device 3, and the internal clamping device 3 clamps Holds a lancing device4.

Specifically, when it is necessary to collect blood from a child, you only need to hold the installation housing 1, and then press the extrusion block 201 so that the extrusion block 201 slides toward the inside of the installation housing 1 along the outer edge of the guide rod 202, so that the guide groove 205 As the extruding block 201 moves horizontally, the extruding rod 206 first slides downward along the inside of the guide groove 205, and is then limited by the inside of the guiding groove 205 to be squeezed and moves upward until the upper end of the extruding rod 206 moves until it is guided The other end of the groove 205 enables the extruding rod 206 to complete a set of vertical elongation and contraction, and at the same time drives the extruding column 207 to elongate and contract. When the extruding column 207 moves downward, it squeezes the blood collection device 4, so that The blood collection needle 405 of the blood collection device 4 can be stretched out to puncture the skin of the blood collection target for blood collection. When the extrusion column 207 rises with the extrusion rod 206, the blood collection needle 405 is squeezed by the elastic recovery member 406 and returns to shrink until the blood collection shell In the inside of 403, the lancet 405 is rapidly stretched out and contracted so far, so as to avoid the pain and pain of the collection target, the stretched lancet 405 will cause further damage to the target, and the extruding block 201 is lost after being squeezed. The extrusion of the elastic push piece 203 protrudes to the outside of the installation housing 1, so that the upper end of the extrusion rod 206 slides along the inside of the guide groove 205, so that the extrusion rod 206 does not move until the extrusion rod 206 moves to the guide groove The inner end of 205 is restored to the initial position, and then the clamping device 3 is pressed, so that the blood collection device 4 can fall out of the clamping device 3, and then a new blood collection device 4 can be replaced, so as to avoid the repeated use of the blood collection device 4 .

As shown in Fig. 3, Fig. 6 to Fig. 8, the inside of the guide groove 205 is divided into an extruded section 2051 and a horizontal section 2052, and one end of the extruded section 2051 is provided with a first guide block 2053, and one side of the first guide block 2053 A first elastic reset member 2054 is provided, a second guide block 2055 is provided at the other end of the extruded section 2051, a second elastic return member 2056 is provided on one side of the second guide block 2055, and the extruded section 2051 is set in a V shape, The extruding rod 206 is located at one end of the extruding section 2051. When the extruding block 201 moves, the guide groove 205 moves horizontally. Move down until reaching the lower end of the extruding section 2051, at this time the extruding rod 206 stretches out to the maximum distance, and as the guide groove 205 continues to move, the upper end of the extruding rod 206 moves upwards along the inside of the extruding section 2051 until The upper end of extruding rod 206 extrudes the second guide block 2055 and makes it shrink into the inside of extruding block 201, then the upper end of extruding rod 206 is at the other end of extruding section 2051, enters the inside of horizontal section 2052, and the second guide The block 2055 is extruded by the extrusion of the second elastic return member 2056, so that the extrusion rod 206 is limited to the inside of the horizontal section 2052. At this time, the extrusion rod 206 shrinks to the shortest distance, and the extrusion block 201 is completely squeezed. Press to the inside of the installation housing 1, so far a set of elongation and contraction of the extrusion rod 206 is completed;

When the extrusion block 201 loses extrusion, it is pressed by the elastic push piece 203 and moves to the outside of the installation housing 1, so that the extrusion rod 206 slides along the inside of the horizontal section 2052, so that the extrusion rod 206 will not move. Until the upper end of the extrusion rod 206 squeezes the first guide block 2053 to shrink into the inside of the extrusion block 201, so that the upper end of the extrusion rod 206 moves until the other end of the horizontal section 2052 and enters one end of the extrusion section 2051. A guide block 2053 is stretched out due to the elastic return of the first elastic return member 2054 after losing extrusion, and the upper end of the extruding rod 206 is restricted inside the extruding section 2051 and returns to the original position.

As shown in Figure 3, the first guide block 2053 is set as a slope on one side of the horizontal section 2052. Squeeze its slope when moving to the first guide block 2053, so that the first guide block 2053 gradually slides toward the inside of the extrusion block 201 until the extrusion rod 206 moves past the first guide block 2053, and the first guide block 2053 is The first elastic return member 2054 elastically extrudes to block the horizontal section 2052 from the extruding section 2051 , thereby restricting the extruding rod 206 from re-entering the interior of the extruding section 2051 .

As shown in Figure 3, one side of the second guide block 2055 and the extruded section 2051 is set as an inclined plane, and the other end of the second guide block 2055 is matched with the inside of the horizontal section 2052. Squeeze its slope when moving to the second guide block 2055, so that the second guide block 2055 gradually slides toward the inside of the extrusion block 201 until the extrusion rod 206 moves past the second guide block 2055, and the second guide block 2055 is subjected to The second elastic return member 2056 elastically extrudes to block the extrusion section 2051 from the horizontal section 2052 , thereby restricting the extrusion rod 206 from re-entering the interior of the horizontal section 2052 .

As shown in Fig. 2, Fig. 5 to Fig. 8, the clamping device 3 includes a clamping seat 301, an elastic extrusion part 302, a linkage rod 303, a sliding seat 304 and a shifting block 305, and the clamping seat 301 is slidably arranged on the installation shell 1, the elastic extrusion part 302 is arranged between the clamping seat 301 and the installation housing 1, the lower end of the linkage rod 303 is hinged with the upper part of the clamping seat 301, and both sides of the sliding seat 304 are connected with the upper end of the linkage rod 303 Hinged to each other, the dial block 305 is fixedly connected to one side of the sliding seat 304, and is slidably connected to the inside of the installation housing 1. In the initial state, the clamping seat 301 is pressed by the elastic extrusion part 302 and is in a locked state. When pressed When the shift block 305 moves downward, it drives the sliding seat 304 to move downward, and squeezes the upper end of the linkage rod 303 to move downward, so that the lower end of the linkage rod 303 slides to both sides, and drives the clamping seats 301 on both sides to move downward. side horizontal movement, so that the clamping seat 301 enters the unlocked state; when the shift block 305 loses extrusion, the clamping seat 301 is elastically restored by the elastic extrusion part 302, so that the clamping seat 301 gradually moves horizontally closer to each other and enters the locked state, and at the same time Drive the lower end of linkage rod 303 to move. The upper end of the linkage rod 303 is moved upwards, and at the same time, the sliding seat 304 is driven to the initial position, thus completing the locking and unlocking of the clamping seat 301 .

As shown in Fig. 4, Fig. 6 to Fig. 8, the blood collection device 4 includes a fixed cover 401, a through groove 402, a blood collection housing 403, a fixed seat 404, a blood collection needle 405 and an elastic return member 406, the fixed cover 401 and the clamping seat 301 The inner side cooperates, the through groove 402 is opened at the axis of the fixed cover 401, the upper end of the blood collection housing 403 is fixedly connected with the fixed cover 401, the fixing seat 404 is slidably arranged inside the blood sampling housing 403, and the axis of the fixing seat 404 The blood collection needle 405 is fixedly connected, and the elastic return member 406 is arranged between the blood collection housing 403 and the fixing seat 404. When the extrusion rod 206 moves downward, it drives the extrusion column 207 to move downward and extend out of the installation housing 1. The extruding column 207 squeezes the fixing seat 404 to move downward through the through groove 402, and the fixing seat 404 moves downward to drive the blood collection needle 405 to protrude from the inside of the blood collection housing 403, thereby completing the extension of the blood collection needle 405; When the rod 206 moves upward, it drives the extrusion column 207 to shrink upwards to the inside of the installation housing 1. At the same time, the fixed cover 401 is elastically squeezed by the elastic return member 406, so that the fixed cover 401 moves upward together with the extrusion column 207, so that the blood collection needle 405 moves upwards with the fixed cover 401, shrinks into the inside of the blood collection housing 403, and completes the storage, so as to prevent the blood collection needle 405 from being in the inside of the blood collection housing 403 all the time, thereby preventing the blood collection needle 405 from being harmful to others during the processing. cause some damages.

The working principle of the utility model is: when it is necessary to collect blood from a child, only need to hold the installation housing 1, and then press the extrusion block 201 so that the extrusion block 201 slides toward the inside of the installation housing 1 along the outer edge of the guide rod 202, The guide groove 205 moves horizontally with the extrusion block 201, and the extrusion rod 206 first slides downward along the inside of the guide groove 205, and then is limited by the inside of the guide groove 205 to be squeezed and moves upward until the extrusion rod 206 The upper end moves to the other end of the guide groove 205, so that the extruding rod 206 completes a set of vertical elongation and contraction, and at the same time drives the extruding column 207 to elongate and contract. When the extruding column 207 moves downward, it squeezes the blood collection Device 4, so that the blood collection needle 405 of the blood collection device 4 is stretched out to pierce the skin of the blood collection target for blood collection. When the extrusion column 207 rises with the extrusion rod 206, the blood collection needle 405 is squeezed by the elastic recovery member 406 and shrinks back Until the inside of the blood collection housing 403, the blood collection needle 405 is rapidly stretched out and contracted so far, so as to avoid that when the collection target suffers from pain and struggle, the protruding blood collection needle 405 will cause further damage to the target, and the extrusion block 201 is lost. After being extruded, it is extruded by the elastic pusher 203 to the outside of the installation housing 1, so that the upper end of the extruding rod 206 slides along the inside of the guide groove 205, so that the extruding rod 206 does not move until the extruding rod 206 Move to one end inside the guide groove 205, return to the initial position, and then press the clamping device 3, so that the blood collection device 4 can fall out of the inside of the clamping device 3, and then replace with a new blood collection device 4, so as to prevent the blood collection device from 4 for repeated use.

The above description is only the preferred implementation mode of the present application. It should be pointed out that for those of ordinary skill in the art, some improvements and modifications can be made without departing from the principle of the present application. These improvements and modifications should also be made. It is regarded as the protection scope of the present invention. The structures, devices and operation methods that are not specifically described and explained in this application, unless otherwise specified and limited, are implemented according to conventional means in the art.

Claims (6)

1. A child safety hemostix, characterized in that: including installation casing (1), installation casing (1) inside slip is provided with extrusion device (2), extrusion device (2) are including extrusion piece (201), guide bar (202), elasticity propelling movement piece (203), spacing ring (204), guide way (205), extrusion pole (206) and extrusion post (207), extrusion piece (201) slip sets up in the inside of installation casing (1), the one end and the inside fixed connection of installation casing (1) of guide bar (202), elasticity propelling movement piece (203) set up in the outer fringe of guide bar (202), the other end fixed connection of spacing ring (204) and guide bar (202) to with the inside sliding connection of extrusion piece (201), one side in extrusion piece (201) is seted up to guide way (205), extrusion pole (206) slip sets up in the inside of guide way (205), the lower extreme fixed connection of extrusion piece (201), the lower part of installation casing (1) is provided with clamping device (3), the inside of clamping device (4) of taking a blood sample.

2. A child resistant lancing device according to claim 1, wherein: the inside of guide way (205) is divided into extrusion section (2051) and horizontal segment (2052), the one end of extrusion section (2051) is provided with first guide block (2053), one side of first guide block (2053) is provided with first elasticity piece (2054) that resets, the other end of extrusion section (2051) is provided with second guide block (2055), one side of second guide block (2055) is provided with second elasticity piece (2056) that resets.

3. A child resistant lancing device according to claim 2, wherein: the first guide block (2053) is provided with an inclined plane on one side of the horizontal section (2052), and the other side of the first guide block (2053) is matched with the inside of the extrusion section (2051).

4. A child resistant lancing device according to claim 2, wherein: the second guide block (2055) is inclined with one side of the extrusion section (2051), and the other end of the second guide block (2055) is matched with the inside of the horizontal section (2052).

5. A child resistant lancing device according to claim 1, wherein: clamping device (3) are including grip slipper (301), elasticity extrusion piece (302), gangbar (303), sliding seat (304) and shifting block (305), grip slipper (301) slip sets up in the inside of installation casing (1), elasticity extrusion piece (302) set up between grip slipper (301) and installation casing (1), the lower extreme of gangbar (303) is articulated with the upper portion of grip slipper (301), the both sides of sliding seat (304) all articulate with the upper end of gangbar (303), one side fixed connection of shifting block (305) and sliding seat (304) to with the inside sliding connection of installation casing (1).

6. A child resistant lancing device according to claim 1, wherein: the blood sampling device (4) comprises a fixed cover (401), a penetrating groove (402), a blood sampling shell (403), a fixed seat (404), a blood sampling needle (405) and an elastic recovery piece (406), wherein the fixed cover (401) is matched with the inner side of a clamping seat (301), the penetrating groove (402) is formed in the axis of the fixed cover (401), the upper end of the blood sampling shell (403) is fixedly connected with the fixed cover (401), the fixed seat (404) is slidably arranged in the blood sampling shell (403), the blood sampling needle (405) is fixedly connected with the axis of the fixed seat (404), and the elastic recovery piece (406) is arranged between the blood sampling shell (403) and the fixed seat (404).

Images