Auxiliary device for observing arteries and veins on back of hand of newborn

By designing an auxiliary device for observing arteries and veins on the back of the newborn's hand, using a light bulb to illuminate the veins on the back of the hand and an arm pouch to fix the wrist, the problem of finding small blood vessels on the back of the newborn's hand is solved, the success rate of venipuncture is improved, and the risks of pain and delayed treatment are reduced.

CN223516736UActive Publication Date: 2025-11-07TONGXIANG MATERNAL & CHILD HEALTH HOSPITAL (TONGXIANG MATERNAL & CHILD HEALTH & FAMILY PLANNING SERVICE CENT)
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Patent Information

Application Number
CN202422421056.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-08
Publication Date
2025-11-07
Estimated Expiration
2034-10-08

AI Technical Summary

Technical Problem

The veins on the back of a newborn's hand are small, making it difficult to accurately locate the veins, which leads to difficult and painful venipuncture. In some individuals, the veins are not obvious, delaying treatment.

Method used

An auxiliary device for observing arteries and veins on the back of the hand in newborns was designed, including a palm plate and an arm plate. The palm plate is equipped with a light bulb. The child's wrist is placed on the arm plate, and the hand is held on the surface of the light bulb. The light bulb illuminates the arteries and veins on the back of the hand. The auxiliary device fixes the wrist through an arm pouch. The light strip further illuminates the veins. The locking mechanism adjusts the angle, making it suitable for different body types.

Benefits of technology

It improves the success rate of intravenous puncture, reduces the number of punctures and the pain of children, adapts to children of different body types, and simplifies the operation process.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223516736U_ABST
    Figure CN223516736U_ABST
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Abstract

The utility model discloses a newborn hand back arteriovenous observation auxiliary device which comprises a palm placing plate and an arm placing plate, an included angle exists between the palm placing plate and the arm placing plate, a lamp ball is arranged on the palm placing plate, the lamp ball is arranged at the position corresponding to the palm center of a sick child, the wrist of the sick child is placed on the arm placing plate, the hand is held on the surface of the lamp ball, and the lamp ball can light up the hand back arteriovenous. The auxiliary device can assist the palm of a child patient in turning downwards to expose arteriovenous on the back of the hand, and light rays penetrate through the back of the hand of the child patient through the lamp ball to illuminate the arteriovenous, so that medical staff can clearly observe the arteriovenous on the back of the hand of the child patient, and the success rate of venipuncture is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely is a new born baby hand back arteriovenous observation auxiliary device. BACKGROUND

[0002] At present, vein vessel injection, intraoperative vein vessel observation mostly adopt the way of naked eye direct observation. When puncturing, because the blood vessel of the new born baby hand back is very small, it is very difficult to accurately find the blood vessel on the hand back, sometimes multiple needle pricking still fails to puncture successfully, and also causes the pain of the flesh. Part of the crowd due to various reasons, the vein is not obvious, leads to difficult treatment, delays the treatment time. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a new born baby hand back arteriovenous observation auxiliary device, can assist the palm of a sick child to turn down, makes the hand back arteriovenous exposure, and exposes arteriovenous through the light of the lamp ball penetrating the hand back of the sick child, makes the medical staff observe the clear arteriovenous of the hand back of the sick child, improves the success rate of venipuncture.

[0004] In order to realize the above-mentioned application purpose, the utility model adopts the following technical scheme:

[0005] A new born baby hand back arteriovenous observation auxiliary device, including the palm plate and the arm plate, the included angle exists between the palm plate and the arm plate, the lamp ball is established on the palm plate, the lamp ball is established in the palm center position of the sick child, the wrist of the sick child is established on the arm plate and the palm holds the lamp ball surface, and the lamp ball can illuminate the hand back arteriovenous.

[0006] Compared with the prior art, the new born baby hand back arteriovenous observation auxiliary device adopting the above technical scheme has the following beneficial effects:

[0007] The new born baby hand back arteriovenous observation auxiliary device of the utility model, the wrist of the sick child is established on the arm plate and the palm holds the lamp ball surface, assists the palm of a sick child to turn down, makes the hand back arteriovenous exposure, then exposes arteriovenous through the light of the lamp ball penetrating the hand back of the sick child, makes the medical staff observe the clear arteriovenous of the hand back of the sick child, improves the success rate of venipuncture.

[0008] Preferably, the arm plate is provided with an annular arm capsule, the arm capsule ring mouth can extend into the wrist of the sick child, and the arm capsule is provided with an inflatable port which can inflate and deflate. When the inflatable port is inflated, the arm capsule ring mouth diameter is reduced and the wrist of the sick child is pressed. When the inflatable port is deflated, the arm capsule ring mouth diameter is increased and the wrist of the sick child is loosened. The wrist of the sick child can be fixed on the arm plate by the arm capsule, and the arm capsule ring mouth diameter can be adjusted according to the requirement through the inflatable port until the arm capsule tightly grips the wrist of the patient, which is suitable for the wrist of the sick child of different body types. The arm capsule can fix the wrist of the patient during infusion, and can replace the tourniquet during vein search.

[0009] Preferably, the inflation port is connected with an inflatable balloon, the inflatable balloon is provided with a deflation valve, the inflatable balloon can refer to the existing medical blood pressure cuff balloon, medical staff inflates the inflation port by squeezing the inflatable balloon, and the inflation port is deflated by opening the inflation valve, which is simple to operate.

[0010] Preferably, the palm plate is provided with a strap and a buckle on both sides, respectively, the movable end of the strap is fixed by magic tape after passing through the buckle, and the palm of the child is clamped in the middle of the strap and the lamp ball. The patient's palm can be fixed on the surface of the lamp ball through the strap.

[0011] Preferably, the palm plate is further provided with a lamp strip on the upper surface, and the lamp strip is arranged on one side close to the arm plate. The lamp strip further illuminates the arteriovenous of the child.

[0012] Preferably, the palm plate and the arm plate are reversibly connected, and a locking mechanism is arranged at the reversible connection. Medical staff can adjust the included angle between the palm plate and the arm plate according to the needs, and lock the included angle through the locking mechanism.

[0013] Preferably, the locking mechanism comprises a rotating shaft, a shaft seat and a lock core, the rotating shaft is fixed on one side of the palm plate close to the arm plate, the shaft seat is fixed on one side of the arm plate close to the palm plate, the shaft seat is provided with a shaft slot, the rotating shaft is arranged in the shaft slot and is reversibly connected, the end surface of the rotating shaft is provided with a plurality of clamping grooves arranged in a circumferential array, the lock core is arranged on the side surface of the shaft seat and at the rotating center of the rotating shaft, the inner end of the lock core is provided with a clamping block, the clamping block is arranged in the end surface of the shaft slot in an extendible manner, and the clamping block is clamped in the clamping groove; when the lock core extends out of the side surface of the shaft seat, the clamping block retracts into the end surface of the shaft slot and moves out of the clamping groove, at this time, the locking mechanism is in an unlocked state; when the lock core retracts into the side surface of the shaft seat, the clamping block extends out of the end surface of the shaft slot and moves into the clamping groove, at this time, the locking mechanism is in a locked state. Medical staff can lock the locking mechanism by pushing the lock core, and can unlock the locking mechanism by pulling out the lock core, which is simple to operate.

[0014] Preferably, the palm plate and the arm plate are of the same shape, the palm plate can be folded downward to be attached to the lower surface of the arm plate, and the palm plate can be folded upward to be flush with the lower surface of the arm plate. When not in use, medical staff can fold the auxiliary device and place it on one side to reduce the occupied space and facilitate storage. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure schematic view of the auxiliary device when viewed from above in the embodiment.

[0016] Figure 2 It is a structure schematic view of the auxiliary device when viewed from below in the embodiment.

[0017] Figure 3 It is a side view of the auxiliary device when unfolded in the embodiment.

[0018] Figure 4 It is a structure schematic view of the auxiliary device when folded on one side in the embodiment.

[0019] Figure 5 This is a schematic diagram of the auxiliary device placed on the other side after being folded in the embodiment.

[0020] Figure 6 This is a front view of the auxiliary device placed on its side after being folded up in the embodiment.

[0021] Figure 7 This is a schematic diagram of the structure of the rotating shaft and lock cylinder in the embodiment.

[0022] Figure 8 This is a schematic diagram of the structure of the shaft seat and lock cylinder in the embodiment.

[0023] Figure 9 This is a schematic diagram of the rotating shaft in the embodiment.

[0024] Figure 10 This is a schematic diagram of the structure when the card block retracts into the end face of the shaft groove in the embodiment.

[0025] Figure 11 This is a schematic diagram of the structure when the card block extends out of the end face of the shaft groove in the embodiment.

[0026] Attached reference numerals: 1. Hand plate; 11. Light bulb; 12. Light strip; 13. Strap; 14. Buckle; 2. Arm plate; 20. Ring opening; 21. Arm bladder; 22. Inflation port; 3. Shaft; 31. Lock groove; 32. Slot; 4. Shaft seat; 41. Shaft groove; 5. Lock cylinder; 51. Locking block; 6. Inflatable bladder; 61. Deflator. Detailed Implementation

[0027] To further illustrate the technical means and effects adopted by this utility model in order to achieve the intended utility model purpose, the following detailed description of the specific implementation methods, structure, features and effects of this utility model is provided in conjunction with the accompanying drawings and preferred embodiments.

[0028] like Figures 1 to 11 The illustrated neonatal hand dorsal artery and vein observation aid includes a palm rest 1 and an arm rest 2, with an angle between them. A light bulb 11 is mounted on the palm rest 1, positioned to fit the infant's palm. The infant's wrist is placed on the arm rest 2, and their hand is grasped on the surface of the light bulb 11, illuminating the arteries and veins on the back of the hand. With the infant's wrist on the arm rest 2 and their hand grasped on the surface of the light bulb 11, the infant's hand is turned downwards, exposing the arteries and veins on the back of the hand. The light from the light bulb 11 then penetrates the back of the infant's hand, illuminating the arteries and veins, allowing medical personnel to clearly observe them and improving the success rate of venipuncture.

[0029] Reference Figure 1The upper surface of the arm plate 2 is provided with an annular arm bag 21, which can extend into the wrist of the child patient in the ring opening 20. The arm bag 21 is provided with an inflatable air inlet 22. When the air inlet 22 is inflated, the ring opening 20 of the arm bag 21 is reduced and the wrist of the child patient is pressed tightly. When the air inlet 22 is deflated, the ring opening 20 of the arm bag 21 is increased and the wrist of the child patient is loosened. The wrist of the child patient can be fixed on the upper surface of the arm plate 2 through the arm bag 21. The size of the ring opening 20 of the arm bag 21 can be adjusted through the air inlet 22 according to the needs, which is suitable for the wrists of children of different sizes.

[0030] The air inlet 22 is connected with an inflatable balloon 6, which is provided with a deflation valve 61. The inflatable balloon 6 can refer to the existing medical blood pressure cuff balloon. The medical staff can inflate the air inlet 22 by squeezing the inflatable balloon 6, and deflate the air inlet 22 by opening the inflation valve, which is simple to operate.

[0031] The upper surface of the palm plate 1 is also provided with a lamp strip 12, which is arranged on one side close to the arm plate 2. The lamp strip 12 further illuminates the arteries and veins of the child patient.

[0032] The side surface of the palm plate 1 is provided with a button, and the lamp ball 11 and the lamp strip 12 are electrically connected with the button. The button controls the opening and closing of the lamp ball 11 and the lamp strip 12. The medical staff presses the button once to turn on the lamp ball 11 and the lamp strip 12, and presses the button again to turn off the lamp ball 11 and the lamp strip 12. The palm plate 1 is provided with a charging port, which is electrically connected with the battery of the palm plate 1. The charging port can be charged.

[0033] Referring to Figure 2 The two sides of the palm plate 1 are respectively provided with a band 13 and a buckle 14. The movable end of the band 13 passes through the buckle 14 and is fixed by a magic tape. The palm of the child patient is clamped between the band 13 and the lamp ball 11. The palm of the patient can be fixed on the surface of the lamp ball 11 by the band 13.

[0034] Referring to Figure 3 The palm plate 1 and the arm plate 2 can be connected by flipping. A locking mechanism is arranged at the flipping connection. The medical staff can adjust the included angle between the palm plate 1 and the arm plate 2 according to the needs, and lock the included angle by the locking mechanism.

[0035] Referring to Figures 7 to 11The locking mechanism comprises a rotating shaft 3, a shaft base 4 and a lock core 5. The rotating shaft 3 is fixed to one side of the palm plate 1 close to the arm plate 2. The shaft base 4 is fixed to one side of the arm plate 2 close to the palm plate 1. The shaft base 4 is provided with a shaft slot 41. The rotating shaft 3 is arranged in the shaft slot 41 and is rotationally connected. The rotating shaft 3 is provided with a circular lock slot 31 at the rotating center of the end surface. The lock slot 31 is provided with a plurality of clamping grooves 32 arranged in a circular array at the periphery. The lock core 5 is arranged at the side of the shaft base 4 and at the rotating center of the rotating shaft 3. The inner end of the lock core 5 can be moved into the lock slot 31. The inner end of the lock core 5 is provided with a plurality of clamping blocks 51 arranged in a circular array at the periphery. The clamping blocks 51 are arranged to be retractable at the end surface of the shaft slot 41. The clamping blocks 51 are clamped in the clamping grooves 32. The clamping blocks 51 and the clamping grooves 32 are magnetically connected by magnets. When the lock core 5 is extended from the side of the shaft base 4, the clamping blocks 51 are retracted into the end surface of the shaft slot 41 and are moved out of the clamping grooves 32. At this time, the locking mechanism is in an unlocked state. When the lock core 5 is retracted into the side of the shaft base 4, the clamping blocks 51 are extended from the end surface of the shaft slot 41 and are moved into the clamping grooves 32. At this time, the locking mechanism is in a locked state. The medical staff can lock the locking mechanism by pushing the lock core 5 and can unlock the locking mechanism by pulling out the lock core 5. The operation is simple and convenient.

[0036] Referring to Figures 4 to 6 The palm plate 1 and the arm plate 2 are the same shape. The palm plate 1 can be folded downward to be attached to the lower surface of the arm plate 2. The palm plate 1 can be folded upward to be flush with the lower surface of the arm plate 2. When not in use, the medical staff can fold the auxiliary device and place it aside to reduce the occupied space and facilitate storage.

[0037] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed in the preferred embodiment, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above-mentioned technical content without departing from the technical solution of the present application. Any modification, equivalent change and modification of the above-mentioned embodiment based on the technical essence of the present application are still within the scope of the technical solution of the present application.

Claims

1. A neonatal hand dorsal arteriovenous observation auxiliary device, characterized in that: The device comprises a palm placing plate (1) and an arm placing plate (2), and an angle exists between the palm placing plate (1) and the arm placing plate (2). A lamp ball (11) for illuminating the dorsal veins of the hand is arranged on the palm placing plate (1). The lamp ball (11) is arranged at the position corresponding to the palm of the child. The wrist of the child is placed on the arm placing plate (2), and the palm is placed on the surface of the lamp ball (11).

2. The neonatal hand dorsal arteriovenous observation assist device according to claim 1, characterized in that: An annular arm capsule (21) is arranged on the arm placing plate (2). The arm capsule (21) can be inserted into the wrist of the child. An inflation port (22) is arranged outside the arm capsule (21). When the inflation port (22) is inflated, the diameter of the annular arm capsule (21) is reduced, and the wrist of the child is pressed. When the inflation port (22) is deflated, the diameter of the annular arm capsule (21) is increased, and the wrist of the child is released.

3. The neonatal hand dorsal arteriovenous (DAV) observation assist device according to claim 2, characterized in that: The inflation port (22) is connected with an inflation balloon (6). The inflation balloon (6) is provided with a deflation valve (61). The inflation balloon (6) can refer to the existing medical blood pressure cuff balloon. The inflation port (22) is inflated by pressing the inflation balloon (6). The inflation port (22) is deflated by opening the deflation valve.

4. The neonatal hand dorsal arteriovenous (DAV) observation assist device according to claim 1, characterized in that: Belt straps (13) and buckles (14) are arranged on both sides of the palm placing plate (1). The movable ends of the belt straps (13) pass through the buckles (14) and are fixed by magic tapes. The palm of the child is clamped between the belt straps (13) and the lamp ball (11).

5. The neonatal hand dorsal arteriovenous (DAV) observation assist device according to claim 1, characterized in that: A lamp strip (12) is arranged on the palm placing plate (1).

6. The neonatal hand dorsal arteriovenous (DAV) observation assist device according to claim 1, characterized in that: The palm placing plate (1) and the arm placing plate (2) are reversibly connected. A locking mechanism is arranged at the reversible connection position for locking the angle between the palm placing plate (1) and the arm placing plate (2).

7. The neonatal hand dorsal arteriovenous (DAV) observation assist device according to claim 6, characterized in that: The locking mechanism comprises a rotating shaft (3), a shaft seat (4) and a lock core (5). The rotating shaft (3) is fixed to one side of the palm placing plate (1) close to the arm placing plate (2). The shaft seat (4) is fixed to one side of the arm placing plate (2) close to the palm placing plate (1). The shaft seat (4) is provided with a shaft slot (41). The rotating shaft (3) is arranged in the shaft slot (41) and is reversibly connected. The end surface of the rotating shaft (3) is provided with a plurality of clamping grooves (32) arranged in a circumferential array. The lock core (5) is arranged on the side surface of the shaft seat (4) and is arranged at the rotating center of the rotating shaft (3). The inner end of the lock core (5) is provided with a clamping block (51). The clamping block (51) is reversibly arranged on the end surface of the shaft slot (41). The clamping block (51) is clamped in the clamping groove (32). When the lock core (5) extends out of the side surface of the shaft seat (4), the clamping block (51) retracts into the end surface of the shaft slot (41) and moves out of the clamping groove (32). At this time, the locking mechanism is in an unlocked state. When the lock core (5) retracts into the side surface of the shaft seat (4), the clamping block (51) extends out of the end surface of the shaft slot (41) and moves into the clamping groove (32). At this time, the locking mechanism is in a locked state.

8. The neonatal hand dorsal arteriovenous (DAV) observation assist device according to claim 7, characterized in that: The palm placing plate (1) and the arm placing plate (2) have the same shape. The palm placing plate (1) can be folded downward to be attached to the lower surface of the arm placing plate (2). The palm placing plate (1) can be folded upward to be flush with the lower surface of the arm placing plate (2).