CN111939377B - A new type of scalp vein indwelling needle for pediatric nerve care - Google Patents

Abstract

The invention provides a novel scalp vein indwelling needle for pediatric nerve nursing, which comprises a needle body, an adhesive tape fixedly connected with one side of a fixed seat and an elastic seat far away from the needle body, a rotating shaft is rotatably arranged in the fixed seat, one side of a pinion far away from the needle body is fixedly connected with a pressing plate, the rotating shaft is connected with a sliding block through a pull rope, a turntable is rotatably arranged in the elastic seat and positioned on the front side of the sliding block, the bottom of a detection rod is fixedly connected with a shift lever inserted in the turntable, the elastic seat deforms along with the folding and flattening of the scalp, the shift lever is driven to move up and down through the detection rod, the shift lever drives the turntable to rotate through an insert block and a wave groove, a magnetic block is aligned with a magnetic sheet and then staggered, the sliding block is driven to move under the action of a same polarity repulsion force and a spring, the sliding block pulls the, adhesion to the scalp becomes loose, resulting in a problem that the indwelling needle is unstable.

Description

Novel scalp vein indwelling needle for pediatric nerve nursing

Technical Field

The invention relates to the technical field of venous indwelling needles, in particular to a novel scalp venous indwelling needle for pediatric nerve nursing.

Background

The nervous system diseases refer to diseases of nervous system and marrow muscle caused by infection, angiopathy, tumor, trauma, severe disease, immune disorder, degenerative heredity, congenital dysplasia, nutritional deficiency, metabolic disorder, etc., scalp venous transfusion method can be adopted in nerve protection, and scalp venous indwelling needle is a common transfusion tool, can reduce pain and vascular injury of patients, and can keep venous path unobstructed.

In the prior art, the scalp vein indwelling needle is generally fixed on the head of a patient through a medical adhesive tape, but the adhesion of the medical adhesive tape is not particularly firm, when the patient accidentally bumps the adhesive tape, or the scalp deforms due to the fact that the patient bends the head, the adhesive tape is prone to curling, after the adhesive tape curls, the curling condition is larger and larger, the indwelling needle is unstable, and particularly for the child patient, the child is more active and better, and the problem is prone to occurring.

Disclosure of Invention

In order to solve the technical problems, the invention provides a novel scalp vein indwelling needle for pediatric nerve nursing, which is achieved by the following specific technical means:

a novel scalp vein indwelling needle for pediatric nerve nursing comprises a needle body, wherein the left side and the right side of the needle body are fixedly connected with a fixed seat, the outer side of the needle body is fixedly connected with an elastic seat positioned on the outer side of the fixed seat, the bottom of the elastic seat is provided with an adhesive sheet, one side of the fixed seat and the elastic seat far away from the needle body is fixedly connected with an adhesive tape, the inner part of the fixed seat is rotatably provided with a rotating shaft, the outer side of the rotating shaft is fixedly sleeved with a main gear, the inner part of the fixed seat is rotatably positioned on the front side and the back side of the main gear and is respectively connected with an auxiliary gear, one side of the auxiliary gear far away from the needle body is fixedly connected with a pressing plate, the inner part of the elastic seat is slidably connected with a sliding block, the rotating shaft is connected with the sliding block through a pull rope, the inside driving lever of carousel is inserted to the bottom fixedly connected with of detection pole, and the annular that corresponds with the driving lever is seted up at the top of carousel, and fixedly connected with inserts the inside inserted block of carousel on the driving lever, sets up the wave groove that corresponds with the inserted block on the inside wall of annular, the front and the equal fixedly connected with magnetic path in the back of carousel, and the back mounted of slider has the spring, and the inside of elastic seat just is located and is provided with the stopper between carousel and the slider.

As optimization, the bottom of elasticity seat and fixing base flushes, and the recess that corresponds with the fixing base is all seted up on the left side and the right side of elasticity seat, and the elasticity seat is elastic material.

Preferably, the rotating shaft is provided with a reset torsion spring.

Preferably, the connection relationship between the pinion and the main gear is a meshed connection, the pinions on the same side are symmetrically distributed in front and back of the main gear, and when the main gear rotates, the two pinions are driven to rotate in opposite directions.

Preferably, the bottom end of the pull rope is wound on the rotating shaft, the top end of the pull rope is fixedly mounted on the sliding block, and when the sliding block moves, the rotating shaft is pulled to rotate through the pull rope.

Preferably, the detection rod comprises two sections of connecting rods which are hinged with each other, the two sections of connecting rods are in a V shape, the front end of the detection rod is movably hinged with the inner front wall of the elastic seat, the back end of the detection rod is movably hinged with the inner rear wall of the elastic seat, and when the elastic seat deforms, the detection rod in the V shape is driven to deform, and then the driving lever is driven to move up and down.

Preferably, the wave groove is an annular closed groove and comprises inclined grooves which are arranged in a staggered mode, and when the deflector rod moves up and down, the turntable is driven to rotate through the inserting blocks and the wave groove.

Preferably, the magnetic property of one side of the opposite surface of the magnetic block and the magnetic sheet is the same, and when the magnetic block is aligned with the magnetic sheet, the sliding block is pushed away under the action of the repulsion force of the same polarity.

The invention has the following beneficial effects:

1. this needle is kept somewhere to child's nerve nursing with novel scalp vein, when the patient scratched the head or touch the adhesive tape and lead to the sticky tape to roll up, the scalp of patient also can be because touched and take place fold deformation, the elasticity seat is along with the fold of scalp and the exhibition is out of shape, it reciprocates to drive the driving lever through the test bar, the driving lever passes through the inserted block and wave groove drives the carousel rotation, stagger again after making the magnetic path align with the magnetic sheet, it removes to push the slider under like repulsion and spring action, the slider passes through stay cord pulling pivot rotation, the pivot drives the clamp plate through main gear and pinion and makes a round trip to deflect, flatten the adhesive tape again, avoided the adhesive tape after rolling up, become loose with the adhesion of scalp, lead to keeping somewhere the unstable problem of needle.

2. This child nurses with novel scalp vein indwelling needle can flatten and reset automatically along with the deformation of patient's scalp, need not manual operation, simple structure, convenient to use.

Drawings

FIG. 1 is a schematic top view of the present invention.

FIG. 2 is a top cross-sectional view of the present invention.

Fig. 3 is a front cross-sectional view of the present invention.

FIG. 4 is a schematic view of the elastic seat of the present invention.

FIG. 5 is a right sectional view of the inner structure of the elastic seat of the present invention.

FIG. 6 is an enlarged view of portion A of FIG. 5 according to the present invention.

FIG. 7 is a schematic top view of the turntable structure of the present invention.

Fig. 8 is a development view of the wave trough structure of the present invention.

In the figure: 1. a needle body; 2. a fixed seat; 3. an adhesive tape; 4. an elastic seat; 41. an adhesive sheet; 5. a rotating shaft; 6. a main gear; 7. a pinion gear; 8. pressing a plate; 9. a slider; 10. pulling a rope; 11. a magnetic sheet; 12. a turntable; 13. a detection lever; 14. a deflector rod; 15. a ring groove; 16. inserting a block; 17. a wave groove; 18. a magnetic block; 19. a spring; 20. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, a novel scalp vein indwelling needle for pediatric nerve nursing comprises aneedle body 1, a fixedseat 2 is fixedly connected to both the left side and the right side of theneedle body 1, anelastic seat 4 is fixedly connected to the outer side of theneedle body 1 and located on the outer side of thefixed seat 2, anadhesive sheet 41 is installed at the bottom of theelastic seat 4, anadhesive tape 3 is fixedly connected to one side of the fixedseat 2 and theelastic seat 4 away from theneedle body 1, a rotatingshaft 5 is rotatably installed inside the fixedseat 2, amain gear 6 is fixedly sleeved on the outer side of the rotatingshaft 5, apinion needle body 7 is rotatably connected to both the front side and the back side of thefixed seat 2 and located on themain gear 6, apressing plate 8 is fixedly connected to one side of thepinion 7 away from theneedle body 1, asliding block 9 is slidably connected to the inside of theelastic seat 4, the rotatingshaft 5 is connected to the slidingblock 9 through apulling rope 10, inside and the top activity that is locatedslider 9 ofelastic seat 4 articulates there isdetection pole 13, theinside driving lever 14 ofcarousel 12 is inserted to the bottom fixedly connected with ofdetection pole 13, annular 15 that corresponds withdriving lever 14 is seted up at the top ofcarousel 12, fixedly connected with inserts the inside insertedblock 16 ofcarousel 12 on thedriving lever 14, set up thewave groove 17 that corresponds with insertedblock 16 on the inside wall of annular 15, the equal fixedly connected withmagnetic path 18 in front and the back ofcarousel 12, the back mounted ofslider 9 hasspring 19, the inside ofelastic seat 4 just is located and is provided withstopper 20 betweencarousel 12 and theslider 9.

Wherein,elastic seat 4 flushes with the bottom offixing base 2, and the recess that corresponds withfixing base 2 is all seted up on the left side and the right side ofelastic seat 4, andelastic seat 4 is elastic material.

Wherein, the rotatingshaft 5 is provided with a reset torsion spring.

The connection relationship between thepinion gears 7 and themain gear 6 is a meshing connection, thepinion gears 7 on the same side are symmetrically distributed in front and back of themain gear 6, and when themain gear 6 rotates, the twopinion gears 7 are driven to rotate reversely.

Wherein, the bottom ofstay cord 10 twines onpivot 5, and the top ofstay cord 10 is fixed mounting onslider 9, whenslider 9 removed, pullspivot 5 throughstay cord 10 and rotates.

Thedetection rod 13 comprises two sections of connecting rods which are hinged with each other, the two sections of connecting rods are V-shaped, the front end of thedetection rod 13 is movably hinged with the inner front wall of theelastic seat 4, the back end of thedetection rod 13 is movably hinged with the inner rear wall of theelastic seat 4, and when theelastic seat 4 deforms, the V-shaped detection rod 13 is driven to deform, and then thedriving lever 14 is driven to move up and down.

Thewave groove 17 is an annular closed groove, thewave groove 17 comprises inclined grooves which are arranged in a staggered mode, and when the shiftinglever 14 moves up and down, theinserting block 16 and thewave groove 17 drive therotary disc 12 to rotate.

Wherein, the magnetic property of one side of the opposite surface of themagnetic block 18 and themagnetic sheet 11 is the same, and when themagnetic block 18 is aligned with themagnetic sheet 11, thesliding block 9 is pushed away under the action of the same polarity repulsion force.

When the scalp vein indwelling needle is used, theneedle body 1 of the scalp vein indwelling needle is fixedly adhered to the forehead of a child patient through theadhesive tape 3, initially, theadhesive tape 3 is flatly attached to the scalp of the patient, theelastic seat 4 is also in a flattened state, themagnetic block 18 and themagnetic sheet 11 are staggered, and the slidingblock 9 is abutted to the limitingblock 20 under the pushing of thespring 19.

When a patient bends the head or touches theadhesive tape 3 to cause theadhesive tape 3 to be rolled up, the scalp of the patient can be wrinkled and deformed due to being touched, theelastic seat 4 is wrinkled and flattened to drive theelastic seat 4 to contract inwards and then expand again, theelastic seat 4 is deformed to drive the V-shaped detection rod 13 to deform, and further drive theshift lever 14 to move up and down, theshift lever 14 drives theturntable 12 to rotate through theinsert block 16 and thewave groove 17, themagnetic block 18 is aligned with themagnetic sheet 11 and then staggered, when themagnetic block 18 is aligned with themagnetic sheet 11, theslide block 9 is pushed to move backwards under the action of like repulsion force, theslide block 9 moves backwards and resets under the action of thespring 19 after being staggered with themagnetic sheet 11, the movingslide block 9 pulls the rotatingshaft 5 to rotate through thepull rope 10, then the rotatingshaft 5 rotates and resets under the action of the reset torsion spring, the rotatingshaft 5 drives thepressing plate 8 to deflect back and forth through the, theclamp plate 8 that deflects flattensadhesive tape 3 again, has avoidedadhesive tape 3 to roll up the back, and the adhesion with the scalp becomes the pine, leads to keeping somewhere the unstable problem of needle, and the device can flatten and reset automatically along with the deformation of patient's scalp, need not manual operation, simple structure, convenient to use.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

Translated fromChinese

1.一种小儿神经护理用新型头皮静脉留置针，包括针体(1)，其特征在于：所述针体(1)的左侧和右侧均固定连接有固定座(2)，针体(1)的外侧且位于固定座(2)的外侧固定连接有弹性座(4)，弹性座(4)的底部安装有胶粘片(41)，固定座(2)和弹性座(4)远离针体(1)的一侧固定连接有胶粘带(3)，固定座(2)的内部转动安装有转轴(5)，转轴(5)的外侧固定套接有主齿轮(6)，固定座(2)的内部且位于主齿轮(6)的正面和背面均转动连接有副齿轮(7)，副齿轮(7)远离针体(1)的一侧固定连接有压板(8)，弹性座(4)的内部滑动连接有滑块(9)，转轴(5)通过拉绳(10)与滑块(9)连接，滑块(9)的正面固定连接有磁片(11)，弹性座(4)的内部且位于滑块(9)的正面转动安装有转盘(12)，弹性座(4)的内部且位于滑块(9)的上方活动铰接有检测杆(13)，检测杆(13)的底部固定连接有插入转盘(12)内部的拨杆(14)，转盘(12)的顶部开设有与拨杆(14)对应的环槽(15)，拨杆(14)上固定连接有插入转盘(12)内部的插块(16)，环槽(15)的内侧壁上开设有与插块(16)对应的波浪槽(17)，转盘(12)的正面和背面均固定连接有磁块(18)，滑块(9)的背面安装有弹簧(19)，弹性座(4)的内部且位于转盘(12)和滑块(9)之间设置有限位块(20)，所述检测杆(13)包括相铰接的两段连杆，且两段连杆呈V形状，检测杆(13)的正面端与弹性座(4)的内前壁活动铰接，检测杆(13)的背面端与弹性座(4)的内后壁活动铰接，所述磁块(18)与磁片(11)相对面的一侧磁性相同。1. A novel scalp vein indwelling needle for pediatric nerve care, comprising a needle body (1), characterized in that: the left and right sides of the needle body (1) are fixedly connected with a fixing seat (2), and the needle body An elastic seat (4) is fixedly connected to the outer side of (1) and is located at the outer side of the fixing seat (2), an adhesive sheet (41) is installed on the bottom of the elastic seat (4), the fixing seat (2) and the elastic seat (4) An adhesive tape (3) is fixedly connected to the side away from the needle body (1), a rotating shaft (5) is rotatably installed inside the fixed seat (2), and a main gear (6) is fixedly sleeved on the outer side of the rotating shaft (5). An auxiliary gear (7) is rotatably connected to the inside of the fixing seat (2) and located on the front and back of the main gear (6), and a pressure plate (8) is fixedly connected to the side of the auxiliary gear (7) away from the needle body (1). A sliding block (9) is slidably connected inside the elastic seat (4), the rotating shaft (5) is connected with the sliding block (9) through a pull rope (10), and a magnetic sheet (11) is fixedly connected to the front of the sliding block (9). A turntable (12) is rotatably installed inside the elastic seat (4) and located on the front of the slider (9), and a detection rod (13) is hinged to the inside of the elastic seat (4) and located above the slider (9). The bottom of the rod (13) is fixedly connected with a lever (14) inserted into the inside of the turntable (12). The top of the turntable (12) is provided with a ring groove (15) corresponding to the lever (14). An insert block (16) inserted into the inside of the turntable (12) is fixedly connected, a wave groove (17) corresponding to the insert block (16) is opened on the inner side wall of the ring groove (15), and the front and back of the turntable (12) are A magnetic block (18) is fixedly connected, a spring (19) is installed on the back of the slider (9), and a limit block (20) is arranged inside the elastic seat (4) and located between the turntable (12) and the slider (9). ), the detection rod (13) includes two sections of connecting rods that are hinged with each other, and the two sections of the connecting rod are V-shaped, the front end of the detection rod (13) is hinged with the inner front wall of the elastic seat (4), and the detection rod The rear end of (13) is hinged with the inner rear wall of the elastic seat (4), and the magnet block (18) has the same magnetism as the opposite side of the magnet sheet (11).2.根据权利要求1所述的一种小儿神经护理用新型头皮静脉留置针，其特征在于：所述弹性座(4)与固定座(2)的底部齐平，弹性座(4)的左侧和右侧均开设有与固定座(2)对应的凹槽，弹性座(4)为弹性材料。2. A novel scalp vein indwelling needle for pediatric nerve care according to claim 1, wherein the elastic seat (4) is flush with the bottom of the fixing seat (2), and the left side of the elastic seat (4) is flush with the bottom of the fixed seat (2). The side and the right side are provided with grooves corresponding to the fixing seat (2), and the elastic seat (4) is made of elastic material.3.根据权利要求1所述的一种小儿神经护理用新型头皮静脉留置针，其特征在于：所述转轴(5)上设置有复位扭簧。3 . The novel scalp vein indwelling needle for pediatric nerve care according to claim 1 , wherein a reset torsion spring is arranged on the rotating shaft ( 5 ). 4 .4.根据权利要求1所述的一种小儿神经护理用新型头皮静脉留置针，其特征在于：所述副齿轮(7)与主齿轮(6)的连接关系为啮合连接，同一侧的副齿轮(7)关于主齿轮(6)前后对称分布。4. A new type of scalp vein indwelling needle for pediatric nerve care according to claim 1, characterized in that: the connection relationship between the auxiliary gear (7) and the main gear (6) is a meshing connection, and the auxiliary gears on the same side are in a meshing connection. (7) Symmetrically distributed front and rear with respect to the main gear (6).5.根据权利要求1所述的一种小儿神经护理用新型头皮静脉留置针，其特征在于：所述拉绳(10)的底端缠绕在转轴(5)上，拉绳(10)的顶端固定安装在滑块(9)上。5. A new type of scalp vein indwelling needle for pediatric nerve care according to claim 1, characterized in that: the bottom end of the pull rope (10) is wound on the rotating shaft (5), and the top end of the pull rope (10) It is fixedly mounted on the slider (9).6.根据权利要求1所述的一种小儿神经护理用新型头皮静脉留置针，其特征在于：所述波浪槽(17)为环形闭合槽，波浪槽(17)包括交错排列的斜槽。6 . The novel scalp vein indwelling needle for pediatric nerve care according to claim 1 , wherein the wave groove ( 17 ) is an annular closed groove, and the wave groove ( 17 ) comprises staggered inclined grooves. 7 .

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