CN210446986U

CN210446986U - Arm fixing device for paediatrics blood sampling

Info

Publication number: CN210446986U
Application number: CN201920398683.9U
Authority: CN
Inventors: 庞玲娣; 吴瑞娟; 李莹
Original assignee: Zhengzhou Childrens Hospital
Current assignee: Zhengzhou Childrens Hospital
Priority date: 2019-03-27
Filing date: 2019-03-27
Publication date: 2020-05-05
Anticipated expiration: 2029-03-27

Abstract

An arm fixing device for blood sampling in pediatrics belongs to the field of medical instruments for diagnosis and treatment of children, and comprises a fixing seat and a fixing plate, the fixing plate can rotate around the joint of the fixing plate and the fixing seat, a supporting device for supporting the arm is arranged in the fixing seat, the supporting device comprises a supporting plate, a rack and a gear, the supporting plate is connected with the fixed seat through the rack, the gear is meshed with the rack, a connecting groove is arranged on the side wall of the fixed seat along the vertical direction, a connecting block matched with the connecting groove is fixed on the side surface of the rack to form a structure that the rack slides in the connecting groove through the connecting block, the inboard of fixed plate is equipped with and is used for carrying out the fixing device who fixes to the arm, can't adjust the structure according to the fixed elasticity degree of infant's actual conditions to the infant arm when solving among the prior art to infant arm fixed.

Description

Arm fixing device for paediatrics blood sampling

Technical Field

The utility model relates to a medical instrument field for the paediatrics is diagnose especially relates to a paediatrics is arm fixing device for blood sampling.

Background

The outpatient service is when taking a blood sample to the infant, for convenience medical personnel's operation, prevent the removal of infant blood sampling in-process arm, need use fixing device to fix the position of infant arm, the arm thickness of infant differs, can't adjust the fixed elasticity degree of infant arm according to actual conditions also at the practical application in-process, the inconvenience of certain degree has been brought for the blood sampling, for solving above problem, need provide an arm fixing device for paediatrics blood sampling, a structure for solving the fixed elasticity degree of current arm fixing device unable arm and adjusting.

SUMMERY OF THE UTILITY MODEL

To the situation, for overcoming prior art's defect, the utility model provides an arm fixing device for paediatrics blood sampling solves among the prior art and can't carry out the structure adjusted according to the fixed elasticity degree of infant actual conditions to the arm when fixed to infant arm.

The technical scheme is that the arm fixing device for blood sampling in pediatrics comprises a fixing seat and a fixing plate, wherein one side edge of the fixing seat is hinged with one side edge of the fixing plate to form a structure that the fixing plate can rotate around the joint of the fixing plate and the fixing seat, a supporting device for supporting an arm is arranged in the fixing seat and comprises a supporting plate, a rack and a gear, the inner side of the supporting plate is of an arc-shaped structure matched with the arm of a human body, the supporting plate is connected with the fixing seat through the rack, the gear is meshed with the rack, a connecting groove is formed in the side wall of the fixing seat in the vertical direction, a connecting block matched with the connecting groove is fixed on the side face of the rack, and a structure that the rack slides in the connecting groove through the connecting block is formed, and a fixing device for fixing the arm is arranged on the inner side of the fixing plate.

Furthermore, the fixing device comprises a movable plate, an adjusting rod and a spring, the movable plate is of an arc-shaped plate-shaped structure, the movable plate is connected with the fixing plate through the adjusting rod, the length of the adjusting rod can be adjusted, and the spring is sleeved on the outer side of the adjusting rod.

Furthermore, the adjusting rod comprises a first adjusting rod and a second adjusting rod, the first adjusting rod is of a cylindrical structure with one end being sealed, the second adjusting rod is of a circular rod-shaped structure matched with the first adjusting rod, the second adjusting rod is inserted into the first adjusting rod and can slide in the first adjusting rod in a reciprocating mode, and the second adjusting rod is connected with the first adjusting rod in the first adjusting rod through an adjusting spring.

Furthermore, the front end and the rear end of the fixing seat are fixedly provided with connecting plates, the middle position of the gear is in key connection with a connecting rod, the end of the connecting rod is provided with external threads, the connecting plate is provided with a threaded hole matched with the threaded end of the connecting rod, and the threaded end of the connecting rod extends out of the fixing seat through the threaded hole and is fixedly provided with an adjusting handle.

Furthermore, a gasket is laid inside the supporting plate, an anti-slip layer is laid at the bottom of the fixing seat, the anti-slip layer is made of rubber, anti-slip lines are arranged on the anti-slip layer, and the anti-slip layer is adhered to the bottom of the fixing seat through glue.

The utility model has the technical effects that the fixed seat is hinged with the fixed plate, the inside of the fixed seat is provided with a supporting device for supporting the arm, a fixing device for further fixing the arm is arranged in the fixing plate, the supporting device comprises a supporting plate, a rack and a gear, the fixing device comprises a movable plate, an adjusting rod and a spring, the inner sides of the supporting plate and the movable plate are both of cambered surface structures matched with the arms of the human body, in the using process, the arm is arranged between the supporting plate and the movable plate, the upper and lower positions of the supporting plate can be adjusted through the supporting device, so as to adjust the distance between the supporting plate and the movable plate, in the use process, the tightness degree of arm fixation can be adjusted according to the actual condition of the infant patient.

Drawings

Fig. 1 is a sectional view of the front view of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is an enlarged view of a portion B in fig. 1.

Detailed Description

The following detailed description is made with reference to the accompanying drawings.

Fixing base 1: the fixing seat 1 comprises a bottom plate with a rectangular plate-shaped structure and four side plates perpendicular to the bottom plate, the four side plates can be of a rectangular plate-shaped structure, the height of the side plates at the front end and the rear end is slightly lower than that of the side plates at the left side and the right side, the connection mode between the bottom plate and each side plate comprises but is not limited to threaded connection, the inside of the fixing seat 1 is of a cavity structure with a cuboid structure, an anti-slip layer is laid below the bottom plate, the material of the anti-slip layer comprises but is not limited to rubber, anti-slip lines are further arranged on the bottom surface of the anti-slip layer, the anti-slip layer can be adhered to the bottom surface of the bottom plate through glue, the anti-slip layer can reduce relative slip between the fixing seat 1 and a desktop on which the fixing seat 1 is placed, a supporting device for supporting an arm is arranged inside the fixing seat, The curb plate of any side on the right side articulates there is fixed plate 2, forms fixed plate 2 can wind it with the junction of fixing base 1 carries out pivoted structure, fixed plate 2 with can connect through the hinge between the fixing base 1, the inboard of fixed plate 2 is equipped with and is used for carrying out further fixed fixing device to the arm position.

The supporting device comprises: the supporting device comprises a supporting plate 3, a rack 4 and a gear 5, the inner side of the supporting plate 3 is of an arc structure matched with the arms of a human body, a gasket is laid on the inner side of the supporting plate 3, the gasket can be made of cotton cloth, cotton wool can be further filled in the gasket to increase the comfort when the arms are contacted with the supporting plate 3, the supporting plate 3 is connected with the fixed seat 1 through the rack 4, the side wall of the fixed seat 1 is provided with a connecting groove 6, the connecting groove 6 is vertically arranged on the side wall of the fixed seat 1, the section of the connecting groove 6 in the horizontal direction can be of a T-shaped structure, a connecting block 13 of a T-shaped structure matched with the connecting groove 6 is fixed on the side wall of the rack 4, and an integrated structure can be arranged between the connecting block 13 and the rack 4, the connecting block 13 can slide in the connecting groove 6 to form a structure that the rack 4 slides back and forth in the connecting groove 6 through the connecting block 13, the rack end of the rack 4 is engaged with the gear 5, the middle position of the gear 5 is connected with a connecting rod 15 in a key mode, the front end part and the rear end part of the fixing seat 1 are fixedly connected with a connecting plate 14, the connecting plate 14 is in a rectangular plate-shaped structure, a threaded hole is formed in the connecting plate 14, an external thread matched with the threaded hole in the connecting plate 14 is arranged at the end part of the connecting rod 15, the threaded end of the connecting rod 15 extends out of the fixing seat 1 through the threaded hole in the connecting plate 14, the threaded end of the connecting rod 15 is in threaded connection with the threaded hole, and an adjusting handle is fixed at the end part of the connecting rod 15, through adjust the handle and can rotate connecting rod 15, connecting rod 15 rotates the in-process and drives gear 5 rotates, gear 5 further drives when rotating and carries out upper and lower removal rather than rack 4 of meshing, and it is right finally to realize the lift adjustment of backup pad 3, gear 5 with the combination of rack 4 can be a plurality of, each gear 5 connects through same connecting rod 15, gear 5 with do not take place relative rotation between connecting rod 15, backup pad 3 front and back tip all not with connecting plate 14 contact.

A fixing device: fixing device includes fly leaf 7, regulation pole 8 and spring 9, fly leaf 7 is the arc platelike structure with human arm looks adaptation, fly leaf 7 with pass through between the fixed plate 2 adjust pole 8 and connect, the length of adjusting pole 8 can be adjusted, spring 9 cup joints the outside of adjusting pole 8, it includes that first regulation pole 10 and second adjust pole 11 to adjust pole 8, first regulation pole 10 is a tip confined cylindric structure, second adjust pole 11 be with the circular shaft-like structure of first regulation pole 10 looks adaptation, second adjust pole 11 cup joints the inside of first regulation pole 10, the diameter that second adjusted pole 11 slightly is less than the internal diameter of first regulation pole 10, second adjust pole 11 can the inside of first regulation pole 10 is reciprocated sliding, second adjust pole 11 be in the inside of first regulation pole 10 pass through regulating spring 12 with first regulation pole 10 the inside with first regulation pole The joint rods 10 are connected, the first adjusting rod 10 is fixedly connected with the side wall of the fixed plate 2, the second adjusting rod 11 is fixedly connected with the movable plate 7, the first adjusting rod 10 is fixedly connected with the fixed plate 2 in a connecting mode including but not limited to welding, the second adjusting rod 11 is fixedly connected with the movable plate 7 in a connecting mode including but not limited to welding, one end of the spring 9 is fixedly connected with the lower end face of the fixed plate 2, the other end of the spring 9 is fixedly connected with the upper end face of the movable plate 7, the spring 9 is fixedly connected with the fixed plate 2 and the movable plate 7 in a connecting mode including but not limited to welding, a binding band can be further fixed on one side of the fixed plate 2 and the fixed seat 1, and the binding band can be made of cotton cloth material.

In the using process, the arm of the infant is placed between the fixed seat 1 and the fixed plate 2, the arm is clamped between the movable plate 7 and the supporting plate 3, the height of the supporting plate 3 is adjusted by 3 according to the actual condition of the infant, a gasket is laid on the inner side of the movable plate 7, when the supporting plate 3 is adjusted upwards, the arm presses the movable plate 7 upwards, the supporting plate 3 and the movable plate 7 jointly act to fix the arm under the action of the adjusting rod 8 and the spring 9, a rectangular opening is formed in the fixed plate 2, an opening corresponding to the position of the fixed plate 2 is formed in the movable plate 7, and the infant can be subjected to blood drawing through the opening.

The present invention has been described in detail with reference to the specific embodiments and examples, but these should not be construed as limitations of the present invention. Numerous variations and modifications can be made by those skilled in the art without departing from the principles of the invention, which should also be considered as within the scope of the invention.

Claims

1. Arm fixing device for paediatrics blood sampling, including fixing base (1), fixed plate (2), one side of fixing base (1) with one side of fixed plate (2) is articulated, forms fixed plate (2) can wind its with the junction of fixing base (1) carries out pivoted structure, its characterized in that, the inside of fixing base (1) is equipped with the strutting arrangement who is used for supporting the arm, strutting arrangement includes backup pad (3), rack (4) and gear (5), the inboard of backup pad (3) is the arc structure with human arm looks adaptation, connect through rack (4) between backup pad (3) and fixing base (1), gear (5) with rack (4) mesh, spread groove (6) have been seted up along vertical direction on the lateral wall of fixing base (1), the side of rack (4) be fixed with connecting block (13) of spread groove (6) looks adaptation, form rack (4) are passed through connecting block (13) are in the inside of spread groove (6) carries out gliding structure, the inboard of fixed plate (2) is equipped with and is used for carrying out the fixing device fixed to the arm.

2. The pediatric blood collection arm fixing device according to claim 1, wherein the fixing device comprises a movable plate (7), an adjusting rod (8) and a spring (9), the movable plate (7) is of an arc-shaped plate-shaped structure, the movable plate (7) is connected with the fixing plate (2) through the adjusting rod (8), the length of the adjusting rod (8) can be adjusted, and the spring (9) is sleeved outside the adjusting rod (8).

3. The arm fixing device for blood collection in pediatrics as claimed in claim 2, wherein the adjusting lever (8) comprises a first adjusting lever (10) and a second adjusting lever (11), the first adjusting lever (10) is of a cylindrical structure with one closed end, the second adjusting lever (11) is of a circular rod-shaped structure matched with the first adjusting lever (10), the second adjusting lever (11) is inserted into the first adjusting lever (10) and can slide back and forth in the first adjusting lever (10), and the second adjusting lever (11) is connected with the first adjusting lever (10) through an adjusting spring (12) in the first adjusting lever (10).

4. The pediatric blood sampling arm fixing device according to claim 1, wherein a connecting plate (14) is fixed to the front end portion and the rear end portion of the fixing seat (1), a connecting rod (15) is connected to a key at the middle position of the gear (5), an external thread is arranged at the end portion of the connecting rod (15), a threaded hole matched with the threaded end of the connecting rod (15) is formed in the connecting plate (14), the threaded end of the connecting rod (15) extends out of the fixing seat (1) through the threaded hole, and an adjusting handle is fixed to the outer portion of the fixing seat (1).

5. The pediatric blood collection arm fixing device as defined in claim 1, wherein a gasket is laid inside the supporting plate (3), an anti-slip layer is laid on the bottom of the fixing base (1), the anti-slip layer is made of rubber, anti-slip lines are arranged on the anti-slip layer, and the anti-slip layer is adhered to the bottom of the fixing base (1) through glue.