CN219579592U - Retaining needle fixer - Google Patents

Abstract

The utility model discloses an indwelling needle fixer, which belongs to the technical field of medical care and comprises two rubber bases with arc surfaces, wherein a shell is fixedly arranged on the upper surface of each rubber base, a push rod is slidably arranged on each shell, a needle fixing plate is fixedly arranged at one end, relatively close to each push rod, of each push rod, the right side surfaces of each shell are fixedly provided with the same connecting plate, the upper surface of each connecting plate is provided with an adjusting groove, an adjusting slide rod is fixedly arranged in each adjusting groove, and two T-shaped supporting rods are slidably arranged on each adjusting slide rod; through setting up the clamp plate, drive two syringe needle fixed plates and keep away from relatively when pressing the clamp plate of both sides, place the syringe needle and loosen the clamp plate of both sides after between two syringe needle fixed plates, drive two syringe needle holders relatively under the elastic action of spring one and be close to the fixed action of realization to the syringe needle, effectively avoid the syringe needle to drop and lead to arm blood stasis or influence follow-up dropping effect.

Description

Retaining needle fixer

Technical Field

The utility model belongs to the technical field of medical care, and particularly relates to an indwelling needle fixer.

Background

The indwelling needle generally refers to a needle required by intravenous infusion, can be reserved in a human body generally, does not need to be continuously inserted, can effectively reduce fear of injection and pain of injection, is mostly suitable for patients with difficult intravenous infusion of infants or old people, but cannot stay for a long time so as to avoid infection, and generally needs to be used for assisting medical staff in multiple infusion treatment during pediatric nursing.

The existing retaining needle fixing method generally uses medical adhesive tapes or bandages to fix the needle heads on arms of children patients, and the retaining needles are easy to displace due to lively and lively movements of the children, so that arm congestion or falling of the retaining needles causes bending of a hose to affect subsequent dripping effects, and meanwhile, uncomfortable reactions of the children patients are caused, so that the retaining needle fixing method is inconvenient to use.

Disclosure of Invention

The utility model aims to provide an indwelling needle fixer, which aims to solve the problems that in the prior art, the existing indwelling needle fixing method is provided, a medical adhesive tape or a bandage is used for fixing a needle head on the arm of a child patient, the indwelling needle is easy to displace due to lively and lively movements of the child, arm congestion or the indwelling needle is dropped off, a hose is folded and bent to influence the subsequent dripping effect, and meanwhile, uncomfortable reaction of the child patient is caused, and the use is inconvenient.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a keep somewhere needle fixer, includes two rubber base that have the arcwall face, fixed surface installs the casing on the rubber base, slidable mounting has the ejector pin on the casing, two equal fixed mounting of one end that the ejector pin is relatively close to has the syringe needle fixed plate, two equal fixed mounting of casing right flank has same connecting plate, the regulating groove has been seted up to the connecting plate upper surface, fixed mounting has the regulation slide bar in the regulating groove, slidable mounting has two T shape bracing pieces on the regulation slide bar, two equal fixed mounting of T shape bracing piece upper end has the syringe fixed plate, fixed surface installs U-shaped installation pole under the rubber base, two cover is equipped with fixed band and regulation band on the U-shaped installation pole respectively, be provided with the fixed unit that is used for locking and unblock regulation band motion on the fixed band.

By adopting the scheme, through setting up fixed unit and carrying out unblock and fixed to the adjusting belt, realize carrying out the effect of quick fixed and unblock to the children patient of different thickness arms, improvement device application's suitability and convenience realize the fixed action to the syringe needle part through setting up two syringe needle fixed plate relative motion, realize the spacing effect to the needle tubing through setting up T shape bracing piece and needle tubing fixed plate, drive the syringe needle and remove when avoiding the needle tubing displacement, whole device is fixed stable, effectively avoids keeping somewhere the needle and takes place the displacement and break away from when using.

As a preferred implementation mode, fixed mounting has the pivot in the casing, the pivot surface rotates and installs two connecting rods, the slider is all articulated to be installed at the both ends of connecting rod, be provided with two regulating plates in the casing, two sliding grooves have been seted up on the regulating plate, fixed mounting has the gag lever post in the sliding groove, a plurality of slider slidable mounting respectively on a plurality of gag lever post, ejector pin one end and one of them regulating plate fixed connection, slidable mounting has two fixed slide bars on the casing, two fixed slide bar one end fixed mounting has same clamp plate, and two fixed slide bar keep away from the one end and another regulating plate fixed connection of clamp plate.

By adopting the scheme, through setting up the clamp plate, drive one of them regulating plate motion through fixed slide bar when pressing the clamp plate, drive two corresponding sliders and keep away from relatively and drive another regulating plate relatively through the connecting rod when one of them regulating plate motion and be close to relatively, when two regulating plates on the same casing are close to relatively, two syringe needle fixed plates keep away from relatively, and when two regulating plates on the same casing keep away from relatively, two syringe needle fixed plates are close to relatively and realize the fixed action to the syringe needle, play the fixed action to keeping somewhere the needle, effectively avoid keeping somewhere the needle displacement that drops.

As a preferable implementation mode, the outer surface of the limiting rod is sleeved with a first spring, and two ends of the first spring are respectively abutted against the inner wall of the sliding groove and one surface, away from the two sliding blocks, of the same side.

By adopting the scheme, through setting up the spring I, pressing the clamp plate and making two syringe needle fixed plates keep away from the back relatively and unclamp the clamp plate, drive two sliders of homonymy and be close to and reset relatively under the elastic action of spring I, drive two regulating plates and keep away from relatively through the connecting rod when two sliders of homonymy are close to relatively, drive the syringe needle fixed plate and be close to relatively when two regulating plates keep away from relatively and realize the fixed action to the syringe needle.

As a preferable implementation mode, the outer surface of the adjusting slide bar is sleeved with two springs II, and two ends of the two springs II are respectively abutted against the inner wall of the adjusting groove and the opposite surface of the T-shaped supporting bar.

By adopting the scheme, through setting up the spring II, keep away from the back relatively with two needle tubing fixed plates, place the needle tubing between two needle tubing fixed plates, drive two T shape bracing pieces and reset under the elastic action of spring II, drive two needle tubing fixed plates and be close to relatively when T shape bracing piece resets, carry out spacing effect to the needle tubing, effectively avoid dropping because of the syringe needle that leads to that the needle tube removes, make the syringe needle fixed more stable.

As a preferred implementation mode, the fixing unit comprises a fixing block fixedly arranged at the end part of the fixing belt, one end of the adjusting belt penetrates through the through hole, two inserting rods are slidably arranged on the fixing block, the end parts of the two inserting rods are fixedly provided with the same pull rod, and a plurality of locking holes for inserting the inserting rods are formed in the adjusting belt.

By adopting the scheme, when the pull rod is pulled to drive the two inserting rods to be far away from the locking hole through the pull rod, the unlocking effect on the adjusting belt is realized, the adjusting belt is convenient to adjust according to the arm sizes of different diameters, and the inserting rods are inserted into the corresponding locking holes after the adjusting, so that the locking effect on the adjusting belt is realized.

As a preferable implementation mode, two insert rods are fixedly provided with the same limiting block on the outer surfaces, the spring III is sleeved on the outer surfaces of the insert rods, and two ends of the spring III are respectively abutted against the limiting block and the inner wall of the through hole.

By adopting the scheme, through setting up the stopper, realize the spacing guide effect to the inserted bar motion, loosen the pull rod simultaneously after the elastic action of spring three, spring three drives two inserted bars and inserts the self-locking effect to the adjusting belt in corresponding lockhole.

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

according to the indwelling needle fixer, the pressing plate is arranged, one of the adjusting plates is driven to move through the fixed sliding rod when the pressing plate is pressed, the corresponding two sliding blocks are driven to be relatively far away when one of the adjusting plates moves and the other adjusting plate is driven to be relatively close through the connecting rod, when the two adjusting plates on the same shell are relatively close, the two needle fixing plates are relatively far away, then the pressing plate is loosened, the two sliding blocks on the same side are driven to be relatively close and reset under the elastic action of the first spring, the two sliding blocks on the same side are driven to be relatively far away through the connecting rod when the two sliding blocks on the same side are relatively close, the needle fixing plates are driven to be relatively close when the two adjusting plates are relatively far away, the fixing effect on the needle is achieved, and arm congestion caused by falling of the needle is effectively avoided or the subsequent drip effect is affected;

this keep somewhere needle fixer is through setting up spring two, keeps away from the back relatively with two needle tubing fixed plates, places the needle tubing between two needle tubing fixed plates, drives two T shape bracing pieces and resets under spring two's elastic action, drives two needle tubing fixed plates and is close to relatively when T shape bracing piece resets, carries out spacing effect to the needle tubing, effectively avoids dropping because of the syringe needle that leads to that the needle tube removes, makes the fixed more stable of syringe needle.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a cross-section of a housing according to the present utility model;

FIG. 3 is a schematic view of the structure of the adjusting plate and needle fixing plate of the present utility model;

FIG. 4 is a schematic diagram of the structure of FIG. 3A according to the present utility model;

FIG. 5 is a schematic cross-sectional view of a connecting plate according to the present utility model;

FIG. 6 is a schematic diagram of the structure of FIG. 5B in accordance with the present utility model;

FIG. 7 is a schematic view of the structure of the rubber base and the fixing unit of the present utility model;

fig. 8 is a schematic view of the structure of fig. 7 at C in accordance with the present utility model.

In the figure: 1. a rubber base; 2. a housing; 3. a push rod; 4. a needle fixing plate; 5. a connecting plate; 6. adjusting the slide bar; 7. a T-shaped support bar; 8. a needle tube fixing plate; 9. a U-shaped mounting bar; 10. a fixing belt; 11. an adjusting belt; 12. a rotating shaft; 13. a connecting rod; 14. a slide block; 15. an adjusting plate; 16. a limit rod; 17. fixing the slide bar; 18. a pressing plate; 19. a first spring; 20. a second spring; 21. a fixed block; 22. a rod; 23. a pull rod; 24. a limiting block; 25. and a third spring.

Detailed Description

Referring to fig. 1-8, the utility model provides an indwelling needle fixer, which comprises two rubber bases 1 with arc surfaces, wherein a shell 2 is fixedly arranged on the upper surface of each rubber base 1, a push rod 3 is slidably arranged on each shell 2, and a needle fixing plate 4 is fixedly arranged at one end, relatively close to each push rod 3;

the shell 2 is internally and fixedly provided with a rotating shaft 12, the outer surface of the rotating shaft 12 is rotatably provided with two connecting rods 13, two ends of each connecting rod 13 are respectively and hingedly provided with a sliding block 14, the shell 2 is internally provided with two adjusting plates 15, two sliding grooves are formed in the adjusting plates 15, a limiting rod 16 is fixedly arranged in each sliding groove, a plurality of sliding blocks 14 are respectively and slidably arranged on the limiting rods 16, one end of a push rod 3 is fixedly connected with one adjusting plate 15, the shell 2 is slidably provided with two fixed sliding rods 17, one end of each fixed sliding rod 17 is fixedly provided with the same pressing plate 18, one end of each fixed sliding rod 17, far away from the pressing plate 18, is fixedly connected with the other adjusting plate 15, the outer surface of each limiting rod 16 is sleeved with a first spring 19, and two ends of the first spring 19 are respectively abutted against the inner wall of the sliding groove and one surface, far away from the two sliding blocks 14 on the same side;

through setting up clamp plate 18, drive one of them regulating plate 15 through fixed slide bar 17 when pressing the clamp plate 18 and move, drive two corresponding sliders 14 relatively and keep away from and drive another regulating plate 15 relatively through connecting rod 13 when one of them regulating plate 15 moves, when two regulating plates 15 on the same casing 2 are relatively close, two syringe needle fixed plates 4 are kept away from relatively, when two regulating plates 15 on the same casing 2 are kept away from relatively, two syringe needle fixed plates 4 are relatively close to realize the fixed action to the needle of keeping somewhere, play the fixed action to the needle of keeping somewhere, effectively avoid the needle displacement that drops, through setting up spring one 19, press the clamp plate 18 and make two syringe needle fixed plates 4 keep away from relatively after loosening clamp plate 18, drive two sliders 14 of homonymy and relatively close to and reset under the elastic action of spring one 19, drive two regulating plates 15 relatively keep away from through connecting rod 13 when two regulating plates 15 are relatively close to each other, drive syringe needle fixed plate 4 relatively close to realize the fixed action to the needle when keeping away from relatively;

the right side surfaces of the two shells 2 are fixedly provided with the same connecting plate 5, the upper surface of the connecting plate 5 is provided with an adjusting groove, an adjusting slide bar 6 is fixedly arranged in the adjusting groove, two T-shaped supporting rods 7 are slidably arranged on the adjusting slide bar 6, needle tube fixing plates 8 are fixedly arranged at the upper ends of the two T-shaped supporting rods 7, two springs 20 are sleeved on the outer surface of the adjusting slide bar 6, and two ends of the two springs 20 are respectively abutted against the inner wall of the adjusting groove and the opposite surfaces of the T-shaped supporting rods 7;

through setting up the second spring 20, after keeping away from two needle tube fixed plates 8 relatively, place the needle tube between two needle tube fixed plates 8, drive two T-shaped support bars 7 to reset under the elastic action of the second spring 20, drive two needle tube fixed plates 8 relatively close to when T-shaped support bar 7 resets, carry on the limiting effect to the needle tube, avoid the needle head that causes because of the needle tube removes from dropping, make the fixed more stable of needle head;

the lower surface of the rubber base 1 is fixedly provided with U-shaped mounting rods 9, the two U-shaped mounting rods 9 are respectively sleeved with a fixing belt 10 and an adjusting belt 11, and the fixing belt 10 is provided with a fixing unit for locking and unlocking the movement of the adjusting belt 11;

the fixing unit comprises a fixing block 21 fixedly arranged at the end part of the fixing belt 10, one end of the fixing block 21 is provided with a through hole for the adjusting belt 11 to pass through, two inserted rods 22 are slidably arranged on the fixing block 21, the end parts of the two inserted rods 22 are fixedly provided with the same pull rod 23, the adjusting belt 11 is provided with a plurality of locking holes for the inserted rods 22 to be inserted, the outer surfaces of the two inserted rods 22 are fixedly provided with the same limiting block 24, the outer surface of the inserted rod 22 is sleeved with a spring III 25, and two ends of the spring III 25 are respectively abutted against the limiting block 24 and the inner wall of the through hole;

through setting up pull rod 23, when pulling pull rod 23 drives two inserted bars 22 and keep away from the locking hole, realize the unblock effect to adjusting belt 11, be convenient for adjust according to the arm size of different diameters this moment, insert inserted bar 22 to corresponding locking hole in realize the locking effect to adjusting belt 11 after adjusting, through setting up stopper 24, realize the spacing guide effect to the inserted bar 22 motion, under the elastic action of spring three 25 after loosening pull rod 23 simultaneously, spring three 25 drives two inserted bars 22 and inserts the self-locking effect to adjusting belt 11 in the corresponding lockhole.

When in use, the pull rod 23 is pulled to drive the two inserting rods 22 to be far away from the locking hole to unlock the adjusting belt 11, then the device is sleeved outside the arm of a patient to adjust the adjusting belt 11, the pull rod 23 is loosened after the device is adjusted properly, the two inserting rods 22 are driven to be inserted into corresponding locking holes to lock the adjusting belt 11 under the elastic action of the springs III 25, the indwelling needle is inserted into the patient to perform the first injection after the locking, the pressing plates 18 on two sides are pressed after the injection is finished, one of the adjusting plates 15 is driven to move through the fixed sliding rod 17 when the pressing plates 18 is pressed, the corresponding two sliding blocks 14 are driven to be relatively far away when one of the adjusting plates 15 is driven to be relatively close to the other adjusting plate 15 through the connecting rod 13, when two adjusting plates 15 on the same shell 2 are relatively close, two needle fixing plates 4 are relatively far away, then needles are placed between the two needle fixing plates 4, pressing plates 18 on two sides are loosened, at the moment, two sliding blocks 14 on the same side are driven to be relatively close under the elastic action of a first spring 19, when the sliding blocks 14 are relatively close, the two adjusting plates 15 on the same shell 2 are relatively far away through connecting rods 13, finally, the two needle fixing plates 4 are driven to be relatively close to fix the needles, after the fixing is finished, the two T-shaped supporting rods 7 are relatively far away, needle tubes are placed between the two needle tube fixing plates 8, the T-shaped supporting rods 7 are loosened, and the two T-shaped supporting rods 7 are driven to be relatively close to the needle tubes to fix the needle tubes under the elastic action of a second spring 20.

Claims (6)

1. An indwelling needle fixer, characterized in that: including two rubber base (1) with arcwall face, fixed surface installs casing (2) on rubber base (1), slidable mounting has ejector pin (3) on casing (2), two equal fixed mounting of one end that ejector pin (3) are relatively close to has syringe needle fixed plate (4), two equal fixed mounting of casing (2) right flank has same connecting plate (5), the adjustment tank has been seted up to connecting plate (5) upper surface, fixed mounting has adjusting slide bar (6) in the adjustment tank, slidable mounting has two T shape bracing pieces (7) on adjusting slide bar (6), two equal fixed mounting in T shape bracing piece (7) upper end has syringe fixed plate (8), fixed surface installs U-shaped installation pole (9) under rubber base (1), two cover respectively on U-shaped installation pole (9) is equipped with fixed band (10) and adjusting band (11), be provided with the fixed unit that is used for locking and unblock adjusting band (11) motion on fixed band (10).

2. An indwelling needle holder according to claim 1, in which: the utility model discloses a motor vehicle is characterized by comprising a shell (2), a rotating shaft (12) is fixedly installed in the shell (2), two connecting rods (13) are rotatably installed on the outer surface of the rotating shaft (12), sliding blocks (14) are hinged to the two ends of each connecting rod (13), two adjusting plates (15) are arranged in the shell (2), two sliding grooves are formed in the adjusting plates (15), a limiting rod (16) is fixedly installed in the sliding grooves, a plurality of the sliding blocks (14) are respectively and slidably installed on the limiting rods (16), one end of each ejector rod (3) is fixedly connected with one of the adjusting plates (15), two fixed sliding rods (17) are slidably installed on the shell (2), one pressing plate (18) is fixedly installed at one end of each fixed sliding rod (17), and one end, far away from each pressing plate (18), of each fixed sliding rod (17) is fixedly connected with the other adjusting plate (15).

3. An indwelling needle holder according to claim 2, in which: the outer surface of the limiting rod (16) is sleeved with a first spring (19), and two ends of the first spring (19) are respectively abutted against one surface, which is relatively far away from the inner wall of the sliding groove and the two sliding blocks (14) on the same side.

4. An indwelling needle holder according to claim 1, in which: the outer surface of the adjusting slide bar (6) is sleeved with two second springs (20), and two ends of the two second springs (20) are respectively abutted against opposite surfaces of the inner wall of the adjusting groove and the T-shaped supporting rod (7).

5. An indwelling needle holder according to claim 1, in which: the fixing unit comprises a fixing block (21) fixedly arranged at the end part of the fixing belt (10), one end of the adjusting belt (11) is provided with a through hole, two inserting rods (22) are slidably arranged on the fixing block (21), the end part of each inserting rod (22) is fixedly provided with the same pull rod (23), and the adjusting belt (11) is provided with a plurality of locking holes for the inserting rods (22) to be inserted.

6. An indwelling needle holder according to claim 5, in which: the two insert rods (22) are fixedly provided with the same limiting block (24), springs III (25) are sleeved on the outer surfaces of the insert rods (22), and two ends of the springs III (25) are respectively abutted against the limiting block (24) and the inner wall of the through hole.