CN215128730U - Radial artery blood sampling fixer - Google Patents
Radial artery blood sampling fixer Download PDFInfo
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- CN215128730U CN215128730U CN202120710333.9U CN202120710333U CN215128730U CN 215128730 U CN215128730 U CN 215128730U CN 202120710333 U CN202120710333 U CN 202120710333U CN 215128730 U CN215128730 U CN 215128730U
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- fixed
- blood sampling
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- radial artery
- support plate
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Abstract
The utility model discloses a radial artery blood sampling fixer, which comprises a positioning groove, a wrist bolster, a hand back support plate and a binding band, wherein the wrist bolster is fixed at the bottom of the front end of the positioning groove, the hand back support plate is fixed at the front end of the wrist bolster, and the front end of the hand back support plate is downwards inclined; a transversely arranged binding belt is arranged above the back of the hand supporting plate. The advantages are that: with the help of the fixer, a nurse can complete the blood sampling work of the infant patient, and the blood sampling efficiency is effectively improved; the arm of the infant is fixed on the same line through the fixing grooves, so that the fixation of the elbow joint and the wrist is increased, the upper limb of the infant is not easy to move, a small pillow is padded below the wrist, the comfort is increased, the blood sampling point is fully exposed, and the puncture success rate is improved; in addition, the width of the fixing groove can be adjusted according to the thickness of the arm, and the application range is wide.
Description
The technical field is as follows:
the utility model relates to a blood sampling technical field, specifically speaking relate to a radial artery blood sampling fixer.
Background art:
blood collection is an important basis for preventing and definitely diagnosing diseases, particularly for newborns, blood collection is carried out on each newborn in hospital, a radial artery is usually adopted for blood collection, auxiliary instruments for radial artery blood collection are lacked at present, and because a child patient cannot cooperate with nurses, two nurses are required to cooperate to collect blood for the child patient at ordinary times, one nurse fixes the arm of the child patient, and the other nurse needs to control the palm of the child patient to collect blood; however, the infant patient is not matched, so that the blood sampling work efficiency is low and the puncture success rate is low; and newborn paediatrics nursing work is loaded down with trivial details, and medical staff is in short supply, and many people cooperate the blood sampling to seriously influence nurse's work efficiency.
The utility model has the following contents:
an object of the utility model is to provide a radial artery blood sampling fixer that can assist and improve blood sampling efficiency.
The utility model discloses by following technical scheme implement: the radial artery blood sampling fixer comprises a positioning groove, a wrist bolster, a hand back support plate and a binding band, wherein the wrist bolster is fixed at the bottom of the front end of the positioning groove, the hand back support plate is fixed at the front end of the wrist bolster, and the front end of the hand back support plate inclines downwards; the straps are transversely arranged above the hand back support plate.
Furthermore, the positioning groove comprises a base and two side plates which are respectively arranged at the tops of two sides of the base.
Furthermore, the bottom ends of the side plates are connected with the two sides of the base in a sliding mode, and a width adjusting mechanism for driving the two side plates to slide relatively is arranged inside the base.
Furthermore, the width adjusting mechanism comprises two duplicate gears, two duplicate gears arranged side by side are rotatably arranged in the base, and primary gears of the two duplicate gears are meshed with each other; an adjusting plate is fixed on the inner side of the bottom end of each side plate respectively, and the two adjusting plates are inserted into the base at one end of the duplicate gear in a sliding mode; a rack is fixed on one side of the adjusting plate adjacent to the duplicate gears, and secondary gears of the two duplicate gears are respectively in meshed transmission with the adjacent racks; and a driving mechanism for driving the duplicate gear to rotate is arranged in the base.
Furthermore, the driving mechanism comprises a push rod, an L-shaped rocker arm and a spring, and the L-shaped rocker arm arranged opposite to the duplicate gear is arranged in the base at the other end of the duplicate gear; one of the duplicate gears is a driving wheel, and the other duplicate gear is a driven wheel; the end, adjacent to the driving wheel, of the L-shaped rocker arm is a driving end, the inner side of the driving end of the L-shaped rocker arm is movably clamped with the primary gear of the driving wheel, an inward inclined guide plate is fixed to the other end of the L-shaped rocker arm, a push rod which slides left and right is inserted into the side wall of the base, adjacent to the guide plate, in a sliding mode, the inner end of the push rod is in sliding contact with the outer wall of the guide plate, and a clamping tongue which is movably clamped with the primary gear of the driven wheel is fixed to the inner end of the push rod; and a spring is fixed between the outer side of the driving end of the L-shaped rocker arm and the base.
Furthermore, arm supporting plates arranged along the direction of the groove opening are fixed on the inner walls of the two side plates of the positioning groove respectively, and the arm supporting plates are concave arc-shaped plates.
Furthermore, two sides of the back of the hand supporting plate are respectively provided with a hanging rod, one end of the binding band is fixed with one hanging rod, and the other end of the binding band is fixed with a plurality of inserting ports movably inserted with the other hanging rod.
Furthermore, an included angle A between the back of the hand supporting plate and the bottom of the positioning groove is 60-70 degrees.
The utility model has the advantages that: with the help of the fixer, a nurse can complete the blood sampling work of the infant patient, and the blood sampling efficiency is effectively improved; the arm of the infant is fixed on the same line through the fixing grooves, so that the fixation of the elbow joint and the wrist is increased, the upper limb of the infant is not easy to move, a small pillow is padded below the wrist, the comfort is increased, the blood sampling point is fully exposed, and the puncture success rate is improved; in addition, the width of the fixing groove can be adjusted according to the thickness of the arm, and the application range is wide.
Description of the drawings:
fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a right side schematic view of fig. 1.
Fig. 3 is a schematic view of the internal structure of the base.
Fig. 4 is a use state diagram of fig. 3.
The wrist pad pillow comprises a positioning groove 1, a base 11, a side plate 12, a wrist pad pillow 2, a hand back support plate 3, a binding belt 4, a socket 41, a width adjusting mechanism 5, a dual gear 51, a primary gear 511, a secondary gear 512, an adjusting plate 52, a rack 53, a driving mechanism 54, a push rod 541, an L-shaped rocker arm 542, a spring 543, a guide plate 544, a latch 545, a slide rail 55, a slider 56, an arm supporting plate 6 and a hanging rod 7.
The specific implementation mode is as follows:
in the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 4, the radial artery blood sampling fixer comprises a positioning groove 1, a wrist bolster 2, a hand back support plate 3 and a binding band 4, wherein the positioning groove 1 comprises a base 11 and two side plates 12 respectively arranged at the tops of two sides of the base 11; the bottom ends of the side plates 12 are connected with the two sides of the base 11 in a sliding manner, the base 11 is of a hollow structure, a width adjusting mechanism 5 for driving the two side plates 12 to slide relatively is arranged in the base 11, and the distance between the two side plates 12 can be increased or decreased according to the thickness of the arms of different children patients; the width adjusting mechanism 5 comprises two duplicate gears 51, two duplicate gears 51 arranged side by side are rotatably arranged in the base 11, and primary gears 511 of the two duplicate gears 51 are meshed with each other; when the driving mechanism 54 drives any one of the duplicate gears 51 to rotate, the two duplicate gears 51 can simultaneously rotate in opposite directions through the meshing transmission of the primary gear 511; an adjusting plate 52 is fixed at the inner side of the bottom end of each side plate 12, and the two adjusting plates 52 are inserted in the base 11 at one end of the duplicate gear 51 in a sliding manner; a rack 53 is fixed on one side of the adjusting plate 52 adjacent to the duplicate gears 51, and the secondary gears 512 of the two duplicate gears 51 are respectively meshed with the adjacent racks 53 for transmission; a driving mechanism 54 for driving the duplicate gear 51 to rotate is arranged in the base 11; when the two duplicate gears 51 rotate relative to the adjusting plates 52, the two adjusting plates 52 can be pushed outwards by the matching of the secondary gear 512 and the rack 53, so that the distance between the two side plates 12 is increased; when the two side plates 12 are pushed inwards, the distance between the two side plates 12 can be reduced;
the driving mechanism 54 comprises a push rod 541, an L-shaped rocker arm 542 and a spring 543, wherein the L-shaped rocker arm 542 arranged opposite to the duplicate gear 51 is arranged in the base 11 at the other end of the duplicate gear 51; one duplicate gear 51 is a driving wheel, and the other duplicate gear 51 is a driven wheel; one end of the L-shaped rocker arm 542 adjacent to the driving wheel is a driving end, the inner side of the driving end of the L-shaped rocker arm 542 is movably clamped with the primary gear 511 of the driving wheel, specifically, a clamping hook clamped with the primary gear of the driving wheel is arranged on the inner side of the driving end, a guide plate 544 inclined inwards is fixed at the other end of the L-shaped rocker arm 542, a push rod 541 capable of sliding left and right is inserted into the side wall of the base 11 adjacent to the guide plate 544 in a sliding manner, a sliding rail 55 is arranged on the push rod 541, and a sliding block 56 matched with the sliding rail 55 is fixed in the base 11, so that the push rod 541 can only slide along the left and right direction; the inner end of the push rod 541 is in sliding contact with the outer wall of the guide plate 544, a clamping tongue 545 movably clamped with the primary gear 511 of the driven wheel is fixed at the inner end of the push rod 541, a spring 543 is fixed between the outer side of the driving end of the L-shaped rocker arm 542 and the base 11, the spring 543 is an extension spring, and in a use state, the spring 543 pulls the driving end of the L-shaped rocker arm 542 to be separated from the driving wheel, at the moment, the push rod 541 can be pushed to a state that the clamping tongue 545 is clamped with the primary gear 511 of the driven wheel through the guide plate 544, so that the two side plates 12 are prevented from being pushed outwards; when the push rod 541 is pushed inwards, the guide plate 544 drives the L-shaped rocker arm 542 to rotate clockwise, so that the driving end of the L-shaped rocker arm 542 is clamped with the primary gear 511 of the driving wheel and drives the driving wheel to rotate, and meanwhile, the spring 543 is stretched to accumulate force; then, the push rod 541 is released, the L-shaped rocker arm 542 can rotate anticlockwise and the push rod 541 can reset under the action of the spring 543, so that next adjustment is facilitated; in this embodiment, the left duplicate gear 51 is a driving wheel, the push rod 541 is correspondingly disposed on the right side of the base 11, when the push rod 541 is pushed inward, the L-shaped rocker arm 542 is pushed by the push rod 541 to rotate clockwise, the primary gear 511 of the driving wheel is further pushed by the driving end to rotate counterclockwise, the two duplicate gears rotate relatively, the adjusting plates 52 on the two sides are pushed outward by the cooperation of the secondary gear 512 and the rack 53, and the two side plates 12 are further driven to move outward, so that the notch of the positioning groove 1 is widened; when the width of the notch needs to be reduced, only the two side plates 12 need to be pushed inwards.
The positioning groove 1 is used for fixing the arm of a child patient, the inner walls of two side plates 12 of the positioning groove 1 are respectively fixed with an arm supporting plate 6 arranged along the direction of the groove opening, the arm supporting plate 6 is a concave arc-shaped plate, the inner side of the arm supporting plate 6 is arc-shaped and is matched with the arm of the child patient, and the comfort level is improved;
a wrist bolster 2 is fixed at the bottom of the front end of the positioning groove 1, the wrist bolster 2 is used for supporting the wrist of the infant, and in order to improve the comfort level, an arc-shaped groove is arranged on the top surface of the wrist bolster 2; a hand back support plate 3 is fixed at the front end of the wrist bolster 2, the front end of the hand back support plate 3 inclines downwards, an included angle A between the hand back support plate 3 and the bottom of the positioning groove 1 is 60-70 degrees, in the embodiment, the included angle A is 65 degrees, the palm of the infant patient is pressed downwards to enable the hand back to be attached to the hand back support plate 3, the radial part of the infant patient is tightened, blood vessels are exposed, and blood sampling is facilitated; the arm supporting plate 6, the wrist bolster 2 and the hand back supporting plate 3 are all made of flexible materials, such as sponge;
a bandage 4 which is transversely arranged is arranged above the back support plate 3, and the bandage 4 is arranged on the upper part of the palm and used for fixing the palm of the infant patient; two sides of the hand back support plate 3 are respectively provided with a hanging rod 7, one end of the binding belt 4 is fixed with one hanging rod 7, and the other end of the binding belt is fixed with a plurality of inserting holes 41 which are movably inserted with the hanging rods 7; in this embodiment, three insertion holes 41 are provided, and the tightness of the band 4 can be adjusted according to the size of the palm of the infant patient by providing the plurality of insertion holes 41, thereby improving the comfort.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. The radial artery blood sampling fixator is characterized by comprising a positioning groove, a wrist bolster, a hand back support plate and a binding band, wherein the wrist bolster is fixed at the bottom of the front end of the positioning groove, the hand back support plate is fixed at the front end of the wrist bolster, and the front end of the hand back support plate inclines downwards; the straps are transversely arranged above the hand back support plate.
2. The radial artery blood sampling fixator of claim 1, wherein the positioning groove comprises a base and two side plates respectively disposed on top of two sides of the base.
3. The radial artery blood sampling fixer according to claim 2, wherein the bottom ends of the side plates are slidably connected with two sides of the base, and a width adjusting mechanism for driving the two side plates to slide relatively is arranged inside the base.
4. The radial artery blood sampling fixator of claim 3, wherein the width adjusting mechanism comprises two duplicate gears, two duplicate gears are rotatably arranged in the base, and primary gears of the two duplicate gears are meshed with each other; an adjusting plate is fixed on the inner side of the bottom end of each side plate respectively, and the two adjusting plates are inserted into the base at one end of the duplicate gear in a sliding mode; a rack is fixed on one side of the adjusting plate adjacent to the duplicate gears, and secondary gears of the two duplicate gears are respectively in meshed transmission with the adjacent racks; and a driving mechanism for driving the duplicate gear to rotate is arranged in the base.
5. The radial artery blood sampling fixator according to claim 4, wherein the driving mechanism comprises a push rod, an L-shaped rocker arm and a spring, and the L-shaped rocker arm arranged opposite to the duplicate gear is arranged inside the base at the other end of the duplicate gear; one of the duplicate gears is a driving wheel, and the other duplicate gear is a driven wheel; one end of the L-shaped rocker arm adjacent to the driving wheel is a driving end, the inner side of the driving end of the L-shaped rocker arm is movably clamped with the first-stage gear of the driving wheel, and a spring is fixed between the outer side of the driving end of the L-shaped rocker arm and the base; the other end of the L-shaped rocker arm is fixedly provided with an inward inclined guide plate, the side wall of the base adjacent to the guide plate is inserted with the push rod which slides left and right in a sliding manner, the inner end of the push rod is in sliding contact with the outer wall of the guide plate, and the inner end of the push rod is fixedly provided with a clamping tongue which is movably clamped with the primary gear of the driven wheel.
6. The radial artery blood sampling fixator according to any one of claims 1 to 5, wherein arm support plates are fixed to inner walls of both side plates of the positioning groove in the direction of the notch, respectively, and the arm support plates are concave arc plates.
7. The radial artery blood sampling fixator according to any one of claims 1 to 5, wherein a hanging rod is respectively provided at both sides of the back support plate, one end of the binding band is fixed to one of the hanging rods, and a plurality of sockets movably inserted to the other hanging rod are fixed to the other end of the binding band.
8. The radial artery blood collection fixator according to claim 6, wherein a hanging rod is respectively disposed at two sides of the back support plate, one end of the binding band is fixed to one hanging rod, and a plurality of insertion holes for movably inserting another hanging rod are fixed to the other end of the binding band.
9. The radial artery blood collection holder of claim 1, 2, 3, 4, 5 or 8, wherein the angle a between the dorsal support plate and the bottom of the positioning slot is 60 ° to 70 °.
10. The radial artery blood collection holder of claim 7, wherein the angle a between the dorsal support plate and the bottom of the positioning slot is 60 ° to 70 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120710333.9U CN215128730U (en) | 2021-04-07 | 2021-04-07 | Radial artery blood sampling fixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120710333.9U CN215128730U (en) | 2021-04-07 | 2021-04-07 | Radial artery blood sampling fixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215128730U true CN215128730U (en) | 2021-12-14 |
Family
ID=79359642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120710333.9U Active CN215128730U (en) | 2021-04-07 | 2021-04-07 | Radial artery blood sampling fixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215128730U (en) |
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2021
- 2021-04-07 CN CN202120710333.9U patent/CN215128730U/en active Active
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