CN219229884U

CN219229884U - Low pain sense blood sampling is with quick lancing pen of adjustable intensity

Info

Publication number: CN219229884U
Application number: CN202222976377.3U
Authority: CN
Inventors: 孙桂芳; 葛艳; 程洁; 郭苏慧; 茅瑜; 陆海峰
Original assignee: Shanghai Minhang Maqiao Community Health Service Center
Current assignee: Shanghai Minhang Maqiao Community Health Service Center
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-06-23
Anticipated expiration: 2032-11-09

Abstract

The utility model relates to a quick lancing pen with adjustable intensity for low pain blood sampling, which comprises a shell (1), a push rod (2) capable of elastically lifting, a pressing locking mechanism for controlling the lifting of the push rod (2) and a positioning mechanism for controlling the lifting degree of the push rod (2); the push rod (2) is positioned in the shell (1); the push rod (2) is fixedly provided with a sliding disc (5) and a push rod plate (22), the pressing locking mechanism is connected with the sliding disc (5) in a penetrating way, and the push rod plate (22) is positioned above the positioning mechanism; the end of the push rod (2) is provided with a plurality of three-edged needles (9) for lancing. The outside of push rod (2) is overlapped and is equipped with first spring (4), and this first spring (4) are located between shell (1) and slip disc (5). Compared with the prior art, the utility model has the advantages of improving the working efficiency, meeting the requirement of blood sampling with different degrees, effectively avoiding pain, preventing cross infection and the like.

Description

Low pain sense blood sampling is with quick lancing pen of adjustable intensity

Technical Field

The utility model relates to the technical field of medical auxiliary equipment, in particular to an intensity-adjustable rapid lancing pen for low-pain blood sampling.

Background

The lancing pen is a pen-type hemostix, which is used in cooperation with disposable sterile blood taking needle, and is a manual ejection auxiliary blood taking device for taking blood sample at human body tip.

At present, the mechanisms of the lancing pens in medical institutions are complex, are not easy to operate and have low working efficiency; the penetration depth of the triangular needle cannot be adjusted, the blood sampling functions of different degrees cannot be met, and the practicability is poor; the three-edged needle of the lancet is not detachable, so that cross infection is easy, and the physical health of the patient is seriously affected.

Disclosure of Invention

The utility model aims to overcome at least one of the defects in the prior art and provide the adjustable-strength rapid lancing pen for blood sampling, which can increase the working efficiency, meet the requirements of blood sampling with different degrees, effectively avoid pain and prevent cross infection.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides a low pain blood sampling is with quick lancing pen of adjustable intensity, this lancing pen includes shell, can the elastic push rod that goes up and down, control push rod whether push locking mechanical system and control push rod lift's positioning mechanism;

the push rod is positioned in the shell; the push rod is fixedly provided with a sliding disc and a push rod plate, the pressing locking mechanism is connected with the sliding disc in a penetrating way, and the push rod plate is positioned above the positioning mechanism; the end of the push rod is provided with a plurality of three-edged needles for lancing.

It is believed that the housing is slidably and rotatably coupled to the push rod.

Further, a first spring is sleeved outside the push rod, and the first spring is positioned between the shell and the sliding disc.

The first springs may be fixedly connected with the housing and the sliding disc.

Further, a detachable head is arranged at the end part of the push rod, and the triangular needles are uniformly distributed in the detachable head;

the top of the push rod is provided with a push rod cap for pressing.

Further, a pen front cap is arranged at the lower end of the shell, and the detachable head is in sliding contact with the pen front cap;

the pen is characterized in that a threaded ring is integrally formed at the lower end of the shell, and the pen front cap is in threaded connection with the threaded ring.

Further, the pressing locking mechanism comprises a clamping part positioned in the sliding disc and a pressing part positioned outside the shell; the clamping component is abutted with the pressing component, and is clamped in the side hole formed in the shell when locked.

Further, the clamping component comprises a bump and a second spring which are connected with each other, and the second spring is positioned at one side far away from the side hole.

It can be seen that the size of the bump is larger than the size of the side hole.

Further, the pressing component comprises a fixed frame and a sliding rod penetrating through the fixed frame; the fixed frame is fixedly connected with the shell, the sliding rod is abutted with the clamping part, a third spring is sleeved outside the sliding rod cap, and the third spring is positioned between the fixed frame and the shell;

and a sliding plate is further arranged between the third spring and the fixed frame and fixedly connected with the sliding rod, and a sliding rod cap is arranged at the end part of the sliding rod, which is far away from the side hole, and is positioned outside the fixed frame.

It is readily apparent that the diameter of the third spring is greater than the size of the side hole; and the diameter of the sliding rod is smaller than the size of the side hole.

Further, the positioning mechanism comprises an adjusting nut, an L-shaped connecting rod and a limiting plate, wherein the adjusting nut is in threaded connection with the shell and is positioned outside the shell, the L-shaped connecting rod is fixedly arranged between the adjusting nut and the limiting plate, and the limiting plate is positioned inside the shell.

Further, the outer wall of the shell is carved with scales for displaying the positions of the limiting plates.

The transparent material is arranged on one side of the shell close to the scales, so that the position of the limiting plate corresponding to the scales can be observed.

Further, the shell is provided with a side groove for the L-shaped connecting rod to move.

Compared with the prior art, the utility model has the following advantages:

(1) The utility model is provided with the pressing mechanism, the convex block can be pushed to move towards the sliding disc by pressing the sliding rod cap, so that the first spring pushes the triangular needle to complete the lancing function, the mechanism is simple and easy to operate, and the working efficiency can be increased;

(2) The utility model is also provided with the positioning mechanism, the position of the push rod plate can be adjusted by rotating the adjusting nut to drive the limiting plate to move, so that the penetration depth of the triangular needle can be controlled, the blood sampling functions of different degrees can be met, and the practicability is increased;

(3) The utility model adopts a plurality of evenly distributed triangular needles to collect blood, can effectively avoid pain due to surface contact, and can be detached and replaced to prevent cross infection.

Drawings

FIG. 1 is a front cross-sectional view of the lancet of example 1;

FIG. 2 is a front cross-sectional view of the upper portion of the lancet of example 1;

FIG. 3 is a front cross-sectional view of the middle of the lancet of example 1;

FIG. 4 is a front cross-sectional view of the lower portion of the lancet of example 1;

FIG. 5 is an enlarged view of a portion of FIG. 1-4 at A;

FIG. 6 is an enlarged view of a portion of the portion B of FIGS. 1-4;

FIG. 7 is an enlarged view of a portion of FIG. 1-4 at C;

FIG. 8 is an enlarged view of a portion of the portion of FIGS. 1-4 at D;

FIG. 9 is an enlarged view of a portion of the portion of FIGS. 1-4 at E;

FIG. 10 is a schematic view showing the structure of a three-edged needle in example 1;

the reference numerals in the figures indicate: the pen comprises a shell 1, a push rod 2, a push rod cap 3, a first spring 4, a sliding disc 5, an adjusting nut 6, a limiting plate 7, a pen front cap 8, a three-edged needle 9, a detachable head 10, a second spring 11, a convex block 12, a spring 13, a slide rod 14, a slide rod cap 15, a third slide plate 16, an L-shaped connecting rod 17, a side groove 18, a side hole 19, a threaded ring 20, scales 21, a push rod plate 22 and a fixed frame 23.

Detailed Description

The utility model will now be described in detail with reference to the drawings and specific examples. The present embodiment is implemented on the premise of the technical scheme of the present utility model, and a detailed implementation manner and a specific operation process are provided, but the protection scope of the present utility model is not limited to the following embodiments.

Example 1

1-10, including the lancing shell 1, the upper end slip of lancing shell 1 and rotate and connect push rod 2, the upper end fixed connection push rod cap 3 of push rod 2, the middle section upper portion outside fixed connection slip disc 5 of push rod 2, the upper end fixed connection first spring 4 of slip disc 5, the one end fixed connection lancing shell 1 of keeping away from slip disc 5 of first spring 4, the sliding connection push rod 2 of first spring 4, be equipped with pressing mechanism A in the slip disc 5, one side fixed connection lancing shell 1 of pressing mechanism, the middle part lower extreme outside of push rod 2 is equipped with push rod board 22, the lower extreme contact connection positioning mechanism B of push rod board 22, the one end that is close to positioning mechanism of lancing shell 1 is equipped with scale 21, the lower extreme fixed connection screwed ring 20 of lancing shell 1, screwed connection front cap 8 in the outside screwed connection of screwed ring 20, the sliding connection removable head 10 in the front cap 8, the upper end screwed connection push rod 2 of removable head 10 is equipped with a plurality of evenly distributed and three-edged fixed connection needle 9.

The pressing mechanism comprises a fixed block 23, one end of the fixed block 23 is fixedly connected with the lancet shell 1, a sliding rod 14 is inserted in the fixed block 23, the outer side of the sliding rod 14 is fixedly connected with a sliding plate 16, one end of the sliding rod 14, which is far away from the lancet shell 1, is fixedly connected with a sliding rod cap 15, one end of the sliding plate 16, which is far away from the sliding rod cap 15, is fixedly connected with a third spring 13, one end of the third spring 13, which is far away from the sliding plate 16, is fixedly connected with the lancet shell 1, the sliding rod 14, one end of the sliding rod 14, which is far away from the sliding rod cap 15, is fixedly connected with a protruding block 12, the protruding block 12 is inserted in a side hole 19, the side hole 19 is arranged on the lancet shell 1, the protruding block 12 is in the sliding disc 5, one end of the protruding block 12, which is far away from the sliding rod 14, is fixedly connected with a second spring 11, one end of the second spring 11, which is far away from the protruding block 12, is fixedly connected with the sliding disc 5, and the protruding block 12 can be pushed into the sliding disc 5 by pressing the sliding rod cap 15, so that the first spring 4 can push the triangular needle 9 to complete the lancing function, the mechanism is simple and easy to operate, and the work efficiency can be increased.

The positioning mechanism comprises an adjusting nut 6, the inner thread of the adjusting nut 6 is connected with a lancet shell 1, one end of the adjusting nut 6, which is close to the lancet shell 1, is internally connected with an L-shaped connecting rod 17 in a sliding manner, one end, which is far away from the adjusting nut 6, of the L-shaped connecting rod 17 is fixedly connected with a limiting plate 7, a side groove 18 is formed in the outer side of the L-shaped connecting rod 17 and is connected with the lancet shell 1 in a sliding manner, the side groove 18 is formed in the lancet shell 1, the inner part of the limiting plate 7 is connected with a push rod 2 in a sliding manner, the upper end of the limiting plate 7 is connected with a push rod plate 22 in a contact manner, the push rod 2 is fixedly connected with the inner part of the push rod plate 22, the position of the push rod plate 22 can be adjusted by driving the limiting plate 7 to move through rotating the adjusting nut 6, the penetration depth of a triangular needle 9 can be controlled, blood sampling functions of different degrees can be met, and practicability is increased.

The upper end of the scale 21 is flush with the upper end of the limiting plate 7, and the insertion depth of the triangular needle can be determined by observing the positions of the limiting plate 7 and the scale 21. The side of the lancet shell 1, which is close to the scale 21, is made of transparent glass, so that the position of the limiting plate 7, which corresponds to the scale 21, can be observed conveniently.

Working principle:

the push rod cap 3 can be pulled to move upwards, the push rod cap 3 moves upwards to drive the sliding disc 5 to move upwards and enable the first spring 4 to shrink, the sliding disc 5 moves upwards to enable the protruding block 12 in the sliding disc 5 to be clamped into the side hole 19, then the adjusting nut 6 is rotated to drive the L-shaped connecting rod 17 to move downwards, the L-shaped connecting rod 17 moves downwards to drive the limiting plate 7 to move downwards to a proper position, the proper penetration depth is adjusted according to scales, then the lower end of the pen front cap 8 is propped against a position where blood needs to be collected, the slide rod cap 15 is pushed to drive the slide rod 14 to move inwards, the slide rod 14 moves inwards to push the protruding block 12 to move inwards, and the protruding block 12 moves inwards to be flush with the inner wall of the lancet shell 1, as the extension force of the first spring 4 pushes the push rod 2 to move downwards, the push rod 2 moves downwards to enable the push rod plate 22 to touch the limiting plate 7 and drive the triangular needle 9 to move downwards to be inserted into the blood collection position to enable blood of a person to flow out, and the function of low-sensitivity quick pain blood collection of adjustable strength is achieved.

Example 2

The utility model provides a low pain blood sampling is with quick lancing pen of adjustable intensity, this lancing pen includes shell 1, can elasticity lift push rod 2, control push rod 2 to go up and down press locking mechanism and control push rod 2 to go up and down the degree of adjustment mechanism; the push rod 2 is positioned inside the shell 1; the push rod 2 is fixedly provided with a sliding disc 5 and a push rod plate 22, the push locking mechanism is connected with the sliding disc 5 in a penetrating way, and the push rod plate 22 is positioned above the positioning mechanism; the end of the push rod 2 is provided with a plurality of three-edged needles 9 for lancing.

The push rod 2 is externally sleeved with a first spring 4, and the first spring 4 is positioned between the shell 1 and the sliding disc 5. The end part of the push rod 2 is provided with a detachable head 10, and the triangular needles 9 are uniformly distributed in the detachable head 10; the top of the push rod 2 is provided with a push rod cap 3 for pressing. The lower end of the shell 1 is provided with a pen front cap 8, and a detachable head 10 is in sliding contact with the pen front cap 8; the lower end of the shell 1 is integrally provided with a threaded ring 20, and the pen front cap 8 is in threaded connection with the threaded ring 20.

The pressing and locking mechanism comprises an engaging part positioned in the sliding disc 5 and a pressing part positioned outside the shell 1; the engaging member is engaged with the side hole 19 formed in the housing 1 when the engaging member is locked in contact with the pressing member. The snap-fit means comprise a lug 12 and a second spring 11 connected to each other, the second spring 11 being located on the side remote from the side hole 19. The pressing component comprises a fixed frame 23 and a sliding rod 14 penetrating through the fixed frame 23; the fixed frame 23 is fixedly connected with the shell 1, the slide bar 14 is abutted with the clamping component, a third spring 13 is sleeved outside the slide bar cap 15, and the third spring 13 is positioned between the fixed frame 23 and the shell 1; a sliding plate 16 is further arranged between the third spring 13 and the fixed frame 23, the sliding plate 16 is fixedly connected with the sliding rod 14, a sliding rod cap 15 is arranged at the end part of the sliding rod 14 away from the side hole 19, and the sliding rod cap 15 is positioned outside the fixed frame 23.

The positioning mechanism comprises an adjusting nut 6, an L-shaped connecting rod 17 and a limiting plate 7, wherein the adjusting nut 6 is in threaded connection with the shell 1 and is positioned outside the shell 1, the L-shaped connecting rod 17 is fixedly arranged between the adjusting nut 6 and the limiting plate 7, and the limiting plate 7 is positioned inside the shell 1. The outer wall of the housing 1 is engraved with graduations 21 for displaying the position of the limiting plate 7. The housing 1 is provided with side grooves 18 for the movement of the L-shaped links 17.

The above description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model in any way, and any person skilled in the art may make modifications or alterations to the disclosed technical content to the equivalent embodiments. However, any simple modification, equivalent variation and variation of the above embodiments according to the technical substance of the present utility model still fall within the protection scope of the technical solution of the present utility model.

Claims

1. The quick lancing pen with adjustable intensity for low pain blood sampling is characterized by comprising a shell (1), a push rod (2) capable of being elastically lifted, a pressing locking mechanism for controlling the lifting of the push rod (2) and a positioning mechanism for controlling the lifting degree of the push rod (2);

the push rod (2) is positioned in the shell (1); the push rod (2) is fixedly provided with a sliding disc (5) and a push rod plate (22), the pressing locking mechanism is connected with the sliding disc (5) in a penetrating way, and the push rod plate (22) is positioned above the positioning mechanism; the end of the push rod (2) is provided with a plurality of three-edged needles (9) for lancing.

2. The intensity-adjustable rapid lancing pen for low pain blood collection according to claim 1, wherein the outer part of the push rod (2) is sleeved with a first spring (4), and the first spring (4) is positioned between the housing (1) and the sliding disc (5).

3. The adjustable-strength rapid lancing pen for low-pain blood collection according to claim 1, wherein a detachable head (10) is arranged at the end part of the push rod (2), and the triangular needles (9) are uniformly distributed in the detachable head (10);

the top of the push rod (2) is provided with a push rod cap (3) for pressing.

4. A low pain blood collection strength adjustable fast lancing pen according to claim 3, wherein the lower end of the housing (1) is provided with a pen front cap (8), the detachable head (10) is in sliding contact with the pen front cap (8);

the pen is characterized in that a threaded ring (20) is integrally formed at the lower end of the shell (1), and the pen front cap (8) is in threaded connection with the threaded ring (20).

5. The intensity-adjustable rapid lancing pen for low-pain lancing according to claim 1, wherein the compression locking mechanism comprises a snap-fit component located within the sliding disk (5) and a compression component located outside the housing (1); the clamping component is abutted with the pressing component, and is clamped in a side hole (19) formed in the shell (1) when the clamping component is locked.

6. The adjustable intensity rapid lancing pen for low pain blood collection according to claim 5, wherein the snap-fit component comprises an interconnecting tab (12) and a second spring (11), the second spring (11) being located on a side remote from the side aperture (19).

7. The adjustable strength rapid lancing pen for low pain blood collection according to claim 5, wherein the pressing member comprises a fixed frame (23) and a sliding rod (14) penetrating the fixed frame (23); the fixed frame (23) is fixedly connected with the shell (1), the sliding rod (14) is abutted against the clamping component, a third spring (13) is sleeved outside the sliding rod cap (15), and the third spring (13) is positioned between the fixed frame (23) and the shell (1);

a sliding plate (16) is further arranged between the third spring (13) and the fixed frame (23), the sliding plate (16) is fixedly connected with the sliding rod (14), a sliding rod cap (15) is arranged at the end part, far away from the side hole (19), of the sliding rod (14), and the sliding rod cap (15) is positioned outside the fixed frame (23).

8. The quick lancing pen with adjustable intensity for low pain blood sampling according to claim 1, wherein the positioning mechanism comprises an adjusting nut (6), an L-shaped connecting rod (17) and a limiting plate (7), wherein the adjusting nut (6) is in threaded connection with the housing (1) and is positioned outside the housing (1), the L-shaped connecting rod (17) is fixedly arranged between the adjusting nut (6) and the limiting plate (7), and the limiting plate (7) is positioned inside the housing (1).

9. The intensity-adjustable rapid lancing pen for low pain blood collection according to claim 8, wherein the outer wall of the housing (1) is engraved with graduations (21) for displaying the position of the limiting plate (7).

10. The intensity-adjustable rapid lancing pen for low pain blood collection according to claim 8, wherein the housing (1) is provided with a side groove (18) for movement of the L-shaped link (17).