CN213488837U

CN213488837U - Paediatrics is auxiliary fixture for blood drawing

Info

Publication number: CN213488837U
Application number: CN202022588192.6U
Authority: CN
Inventors: 段利侠
Original assignee: Fuyang Hospital Affiliated To Anhui Medical University
Current assignee: Fuyang Hospital Affiliated To Anhui Medical University
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-06-22
Anticipated expiration: 2030-11-10

Abstract

The utility model discloses a paediatrics is with supplementary fixing device that draws blood, including carrier plate, double-end motor and counter weight base, the below of carrier plate is connected with the support box, and the top of carrier plate is provided with splint, the outer wall intermediate position of splint is fixed with the one end of branch, and the other end of branch installs ball nut, ball nut's inside is run through there is the lead screw, the inside of splint is inlayed and is had first pressure sensor, the inside of carrier plate is inlayed and is had second pressure sensor, and second pressure sensor's below is provided with the controller, double-end motor installs in the below of controller, and the lead screw one end of keeping away from double-end motor is connected with the bearing, the lower fixed surface of support box has the track strip, and the below of track strip is provided with the motor box, the counter weight base is installed in telescopic link and sheathed tube bottom. This paediatrics is drawn blood with supplementary fixing device adjusts size of a dimension according to different patient's arm thicknesses, and the suitability is higher, and can realize automatic centre gripping effect.

Description

Paediatrics is auxiliary fixture for blood drawing

Technical Field

The utility model relates to the technical field of medical equipment, specifically be a paediatrics is taken out blood with supplementary fixing device.

Background

Pediatrics is a comprehensive medical science that comprehensively studies physical and mental development, health care and disease prevention and treatment in the pediatric period. Health and hygiene issues related to the childhood and adolescent age are all within the pediatric scope. The treated object is in growth and development stage. When the pediatric blood collection test is performed, blood is required to be drawn from children, venous blood of upper limbs is generally collected in blood drawing examination, except for special required items, the venous blood test generally requires blood drawing in the morning, the amount of exercise is reduced as much as possible before blood drawing, food is not required to be eaten, an empty stomach is kept, a small amount of water can be drunk, and certain experimental results which need to be taken on time are interfered.

At present when drawing blood, patient's mood just has the tension of different degrees, child still can cry greatly, make blood sampling in-process patient's upper limbs move about easily, not only can cause the condition of taking off the needle, still very easily lead to the syringe needle to prick the patient and cause the condition of secondary damage, and current auxiliary fixture is not convenient for angle regulation and height, still there is the problem that is difficult to carry out size adjustment according to the upper limbs of different thicknesses simultaneously, for this reason, we propose a paediatrics and draw blood and use auxiliary fixture.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a paediatrics is drawn blood and is used auxiliary fixture, in order to solve present when drawing blood that proposes in the above-mentioned background art, patient's mood just has the tension of different degrees, child still may cry greatly, make blood sampling in-process patient's upper limbs move indiscriminately easily, not only can cause the condition of taking off the needle, still very easily lead to the syringe needle to prick the condition that the patient caused secondary injury, and current auxiliary fixture is not convenient for angle regulation and height, the problem that the upper limbs that are difficult to according to different thicknesses carry out size control still exists simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: an auxiliary fixing device for pediatric blood drawing comprises a bearing plate, a double-end motor and a counterweight base, wherein a supporting box is connected below the bearing plate, a clamping plate is arranged above the bearing plate, one end of a supporting rod is fixed at the middle position of the outer wall of the clamping plate, a ball nut is arranged at the other end of the supporting rod, a lead screw penetrates through the ball nut, a first pressure sensor is embedded in the clamping plate, a second pressure sensor is embedded in the bearing plate, a controller is arranged below the second pressure sensor, the double-end motor is arranged below the controller, a bearing support is connected at one end, far away from the double-end motor, of the lead screw, a track bar is fixed on the lower surface of the supporting box, a motor box is arranged below the track bar, a first motor is arranged on the front surface of the motor box, a base is arranged below the motor box, an inner rod is arranged at the middle position below the base, and the lower extreme outside of interior pole is provided with the sleeve pipe, the below outside four corners of base all is connected with the spring, and the below of spring installs the telescopic link, counter weight pedestal mounting is in telescopic link and sheathed tube bottom, the lower surface intermediate position of track strip evenly installs the tooth, and the steel ball is all installed to the left and right sides of tooth, the internally mounted of motor box has the gear, the internally mounted of base has the second motor, the interior bottom intermediate position of interior pole is fixed with the center block, and both ends all are connected with metal shrapnel about the center block, the one end that the center block was kept away from to metal shrapnel is fixed with the sticking stick.

Preferably, the inner surfaces of the bearing plate and the clamping plate are wrapped by spacers, and the spacers are made of elastic silica gel.

Preferably, the clamping plates are symmetrically distributed about a vertical center line of the carrier plate, and the shape structure of the clamping plates is an arc structure.

Preferably, the ball nut and the screw rod are in threaded connection, and the ball nut and the screw rod are symmetrically distributed about the vertical center line of the double-head motor.

Preferably, the connecting part of the track strip and the motor box is provided with a sliding groove, and the steel ball is tightly attached to the sliding groove.

Preferably, a rotating structure is formed between the first motor and the gear, and the gear is in meshed connection with the gear.

Preferably, the outer walls of the left side and the right side of the sleeve are uniformly provided with positioning holes, the inner rod penetrates through the inside of the sleeve, and a telescopic structure is formed between the inner rod and the sleeve.

Preferably, a rotating structure is formed between the second motor and the motor box, and the rotating angle between the second motor and the motor box is 0-360 degrees.

Preferably, the central block forms an elastic structure through the metal elastic sheet and the clamping rod, and the clamping rod penetrates through the positioning hole.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the auxiliary fixing device for pediatric blood drawing is provided with the spacer made of the silica gel material, has good elasticity, can prevent slipping and improve comfort when being in contact with human skin, avoids the situation that the patient is hurt by rigid materials such as the bearing plate and the clamping plates, supports the upper limb of the patient by the bearing plate, and clamps the two sides of the upper limb of the patient by the two clamping plates so as to limit and fix the upper limb, and avoids the situation that the needle is broken due to the disorder of the arm of the patient in the blood drawing process;

2. the auxiliary fixing device for pediatric blood drawing is provided with the ball nuts, the ball nuts can be translated along the lead screws in the rotation process of the lead screws, the threads of the two lead screws are opposite, so that the two ball nuts can be driven by one double-headed motor to move in opposite directions or in opposite directions at a constant speed simultaneously, the size can be adjusted according to the arm thicknesses of different patients, the adaptability is higher, and the two pressure sensors can be matched with the controller to control the on-off of the double-headed motor, so that the automatic clamping effect is realized;

3. the auxiliary fixing device for pediatric blood drawing is provided with the steel balls which can roll and slide in the sliding groove so as to facilitate the adjustment of the inclination angle of the whole device and enable the whole device to be more stable, the first motor driving gear is arranged to rotate and be meshed with the gear so as to drive the supporting box to adjust the inclination angle relative to the motor box, and the arm of a patient can be placed more comfortably;

4. the auxiliary fixing device for pediatric blood drawing is provided with the inner rod and the sleeve which can be stretched, so that the height of the whole fixing device can be changed according to actual needs, children with different heights can conveniently use the auxiliary fixing device, the adaptability is higher, the clamping rod is arranged, the clamping rod can stretch in the positioning hole by utilizing the elastic action of the metal elastic sheet, so that the inner rod and the sleeve can be clamped, and the adjusted height of the inner rod and the sleeve can be fixed;

5. this paediatrics is drawn blood and is used auxiliary fixture sets up the second motor and can drive motor box level and rotate to in drive whole device upper portion support part and carry out horizontal rotation, make the device can place the angle according to the adjustment of in-service use needs, the patient of being convenient for takes the arm between carrier plate and splint, reduces to buckle the arm, improves the travelling comfort.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a right side view cross-sectional structural diagram of the carrier plate and the clamping plate of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure of the lower part of the motor case of the present invention;

FIG. 4 is a schematic view of a partial enlarged structure at A in FIG. 3 according to the present invention;

fig. 5 is a schematic view of a part of the enlarged structure at B in fig. 3 according to the present invention.

In the figure: 1. a carrier plate; 2. a support box; 3. a splint; 4. a strut; 5. a ball nut; 6. a screw rod; 7. a first pressure sensor; 8. a second pressure sensor; 9. a controller; 10. a double-headed motor; 11. a bearing support; 12. a track bar; 13. a motor box; 14. a first motor; 15. a base; 16. an inner rod; 17. a sleeve; 18. a spring; 19. a telescopic rod; 20. a counterweight base; 21. a rodent; 22. steel balls; 23. a gear; 24. a second motor; 25. a center block; 26. a metal spring sheet; 27. clamping the rod; 28. positioning holes; 29. a chute; 30. and (4) a spacer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: an auxiliary fixing device for pediatric blood drawing comprises a bearing plate 1, a supporting box 2, a clamping plate 3, a supporting rod 4, a ball nut 5, a screw rod 6, a first pressure sensor 7, a second pressure sensor 8, a controller 9, a double-end motor 10, a bearing support 11, a track bar 12, a motor box 13, a first motor 14, a base 15, an inner rod 16, a sleeve 17, a spring 18, an expansion rod 19, a counterweight base 20, a grinding tooth 21, a steel ball 22, a gear 23, a second motor 24, a central block 25, a metal elastic sheet 26, a clamping rod 27, a positioning hole 28, a sliding groove 29 and a spacer 30, wherein the supporting box 2 is connected below the bearing plate 1, the clamping plate 3 is arranged above the bearing plate 1, one end of the supporting rod 4 is fixed at the middle position of the outer wall of the clamping plate 3, the ball nut 5 is installed at the other end of the supporting rod 4, the screw rod 6 penetrates through the ball nut 5, the first pressure sensor 7 is, a second pressure sensor 8 is embedded in the carrier plate 1, a controller 9 is arranged below the second pressure sensor 8, a double-head motor 10 is arranged below the controller 9, and one end of the screw rod 6 far away from the double-end motor 10 is connected with a bearing support 11, the lower surface of the support box 2 is fixed with a track bar 12, and a motor box 13 is arranged below the track bar 12, a first motor 14 is arranged on the front surface of the motor box 13, a base 15 is arranged below the motor box 13, an inner rod 16 is arranged at the middle position below the base 15, a sleeve 17 is arranged on the outer side of the lower end of the inner rod 16, springs 18 are connected with four corners of the outer side below the base 15, an expansion rod 19 is arranged below the spring 18, a counterweight base 20 is arranged at the bottoms of the expansion rod 19 and the sleeve 17, a grinding tooth 21 is uniformly arranged in the middle of the lower surface of the track bar 12, and steel balls 22 are arranged on the left side and the right side of the grinding tooth 21;

the gear 23 is arranged in the motor box 13, the second motor 24 is arranged in the base 15, the center block 25 is fixed at the middle position of the inner bottom of the inner rod 16, the metal elastic pieces 26 are connected to the left end and the right end of the center block 25, the clamping rod 27 is fixed at one end of each metal elastic piece 26 far away from the center block 25, the inner surfaces of the bearing plate 1 and the clamping plate 3 are wrapped with the spacers 30, the spacers 30 are made of elastic silica gel, the spacers 30 made of silica gel have good elasticity and can prevent skidding when contacting with the skin of a human body, the comfortableness can be improved, the patient is prevented from being injured by hard materials such as the bearing plate 1 and the clamping plate 3, the clamping plates 3 are symmetrically distributed about the vertical central line of the bearing plate 1, the appearance structure of the clamping plate 3 is of an arc-shaped structure, the bearing plate 1 is arranged to support the upper limb of the patient, and the two clamping plates 3 can clamp the, the condition that the needle is broken due to the disorder of the arm of the patient in the blood drawing process is avoided;

the ball nut 5 is in threaded connection with the screw rod 6, the ball nut 5 and the screw rod 6 are symmetrically distributed about the vertical central line of the double-head motor 10, the ball nut 5 can be arranged to move horizontally along the screw rod 6 in the rotating process of the screw rod 6, the threads of the two screw rods 6 are opposite, so that one double-head motor 10 can be used for driving the two ball nuts 5 to move oppositely or reversely at the same constant speed, the size of the double-head motor 10 can be adjusted according to the arm thickness of different patients, the adaptability is higher, the two pressure sensors can be matched with the controller 9 to control the on-off of the double-head motor 10, so that the automatic clamping effect is realized, a sliding groove 29 is formed in the joint of the track bar 12 and the motor box 13, the steel ball 22 is tightly attached to the sliding groove 29, the steel ball 22 can be arranged to roll and slide in the sliding groove 29, a rotating structure is formed between the first motor 14 and the gear 23, the tooth 21 and the gear 23 are in meshed connection, the first motor 14 is arranged to drive the gear 23 to rotate and be meshed with the gear 23, so that the support box 2 is driven to adjust the inclination angle relative to the motor box 13, and the arm of a patient can be placed more comfortably;

positioning holes 28 are uniformly formed in the outer walls of the left side and the right side of the sleeve 17, the inner rod 16 penetrates through the sleeve 17, a telescopic structure is formed between the inner rod 16 and the sleeve 17, the inner rod 16 and the sleeve 17 can be arranged to be telescopic, so that the height of the whole fixing device can be changed according to actual needs, children with different heights can conveniently use the fixing device, the adaptability is higher, a rotating structure is formed between the second motor 24 and the motor box 13, the rotating angle between the second motor 24 and the motor box 13 is 0-360 degrees, the second motor 24 can be arranged to drive the motor box 13 to horizontally rotate, so that the upper supporting part of the whole device can be driven to horizontally rotate, the placing angle of the device can be adjusted according to actual use needs, a patient can conveniently place an arm between the bearing plate 1 and the clamping plate 3, bending of the arm is reduced, the comfort is improved, the central block 25 forms an elastic structure between the metal elastic sheet, the locking rod 27 penetrates through the positioning hole 28, and the locking rod 27 can be stretched in the positioning hole 28 by the elastic action of the metal elastic sheet 26, so as to lock the inner rod 16 and the sleeve 17 and fix the adjusted height of the inner rod and the sleeve.

The working principle is as follows: for the auxiliary fixing device for pediatric blood drawing, firstly, the whole device is placed on a table top, at the moment, the counterweight base 20 is in contact with the table top, the counterweight base 20 is heavy, the chassis of the whole device is more stable and is stably supported, then the clamping rod 27 is pressed inwards, the clamping rod 27 retracts into the positioning hole 28, the clamping rod 27 compresses the metal elastic sheet 26 to be shortened between the central blocks 25, the end part of the clamping rod 27 is positioned between the gap between the inner rod 16 and the sleeve 17, then the inner rod 16 is pulled upwards, the inner rod 16 extends out of the sleeve 17 for a certain distance, the spring 18 and the telescopic rod 19 are driven to extend, and then when the clamping rod 27 reaches a new positioning hole 28, the clamping rod pops out under the elastic action of the metal elastic sheet 26 and penetrates out of the positioning hole 28 to be fixed;

then, a second motor 24 in the base 15 is started, the second motor 24 drives the motor box 13 to rotate, so that the angle of the upper half part of the whole device deflects, then the second motor 24 is closed, the first motor 14 is started again, the first motor 14 drives the gear 23 to rotate, the gear 23 is meshed with the tooth teeth 21, the track bar 12 is driven to deflect relative to the motor box 13, the track bar 12 drives the steel balls 22 to slide in the sliding groove 29, so that the inclination angles of the bearing plate 1 and the support box 2 are changed, and then the first motor 14 is closed;

place patient's arm inboard up on carrier plate 1, the arm contacts with spacer 30, the weight pressure of arm is detected to second pressure sensor 8 simultaneously, and give controller 9 with information transfer, controller 9 control double-end motor 10 starts, double-end motor 10 drives the relative bearing support 11 rotation of lead screw 6, make ball nut 5 remove towards double-end motor 10, ball nut 5 drives splint 3 through branch 4 and removes to the centre, until contacting patient's arm both sides, clip patient's arm, first pressure sensor 7 detects pressure this moment, and give controller 9 with information transfer, controller 9 control double-end motor 10 closes, accomplish whole paediatrics and draw blood with auxiliary fixture's use like this.

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

1. The utility model provides a paediatrics is auxiliary fixture for hemospasia, includes carrier plate (1), double-end motor (10) and counter weight base (20), its characterized in that: the lower part of the bearing plate (1) is connected with a supporting box (2), a clamping plate (3) is arranged above the bearing plate (1), one end of a supporting rod (4) is fixed at the middle position of the outer wall of the clamping plate (3), a ball nut (5) is installed at the other end of the supporting rod (4), a lead screw (6) penetrates through the ball nut (5), a first pressure sensor (7) is embedded in the clamping plate (3), a second pressure sensor (8) is embedded in the bearing plate (1), a controller (9) is arranged below the second pressure sensor (8), a double-end motor (10) is installed below the controller (9), one end, far away from the double-end motor (10), of the lead screw (6) is connected with a bearing support (11), a track strip (12) is fixed on the lower surface of the supporting box (2), and a motor box (13) is arranged below the track strip (12), the front of motor box (13) is installed first motor (14), and the below of motor box (13) is provided with base (15), interior pole (16) is installed to the below intermediate position of base (15), and the lower extreme outside of interior pole (16) is provided with sleeve pipe (17), the below outside four corners of base (15) all is connected with spring (18), and telescopic link (19) are installed to the below of spring (18), install in the bottom of telescopic link (19) and sleeve pipe (17) counter weight base (20), rodent (21) are evenly installed to the lower surface intermediate position of track strip (12), and steel ball (22) are all installed to the left and right sides of rodent (21), the internally mounted of motor box (13) has gear (23), the internally mounted of base (15) has second motor (24), the interior bottom intermediate position of interior pole (16) is fixed with center block (25), and the left end and the right end of the central block (25) are both connected with metal elastic sheets (26), and one end of each metal elastic sheet (26) far away from the central block (25) is fixed with a clamping rod (27).

2. An auxiliary fixing device for paediatric blood drawing according to claim 1, wherein: the internal surface of carrier plate (1) and splint (3) all wraps up and has septum (30), and the material of septum (30) is elastic silica gel.

3. An auxiliary fixing device for paediatric blood drawing according to claim 1, wherein: the clamping plates (3) are symmetrically distributed about the vertical central line of the bearing plate (1), and the appearance structure of the clamping plates (3) is an arc-shaped structure.

4. An auxiliary fixing device for paediatric blood drawing according to claim 1, wherein: the ball nut (5) is in threaded connection with the screw rod (6), and the ball nut (5) and the screw rod (6) are symmetrically distributed about the vertical center line of the double-head motor (10).

5. An auxiliary fixing device for paediatric blood drawing according to claim 1, wherein: a sliding groove (29) is formed in the joint of the track bar (12) and the motor box (13), and the steel balls (22) are tightly attached to the sliding groove (29).

6. An auxiliary fixing device for paediatric blood drawing according to claim 1, wherein: a rotating structure is formed between the first motor (14) and the gear (23), and the gear teeth (21) are in meshed connection with the gear (23).

7. An auxiliary fixing device for paediatric blood drawing according to claim 1, wherein: positioning holes (28) are uniformly formed in the outer walls of the left side and the right side of the sleeve (17), the inner rod (16) penetrates through the sleeve (17), and a telescopic structure is formed between the inner rod (16) and the sleeve (17).

8. An auxiliary fixing device for paediatric blood drawing according to claim 1, wherein: a rotating structure is formed between the second motor (24) and the motor box (13), and the rotating angle between the second motor (24) and the motor box (13) is 0-360 degrees.

9. An auxiliary fixture device for pediatric blood drawing according to claim 7, wherein: the center block (25) forms an elastic structure through the metal elastic sheet (26) and the clamping rod (27), and the clamping rod (27) penetrates through the positioning hole (28).