CN213158560U - Auxiliary hand support for transfusion - Google Patents

Abstract

The utility model discloses an auxiliary hand support for transfusion, which comprises a hand pad, an arm pad and a telescopic shaft; one end of the telescopic shaft is slidably mounted in the arm pad, the other end of the telescopic shaft is located outside the arm pad and fixedly connected with the hand pad, and the distance between the hand pad and the arm pad is adjusted through the telescopic shaft. This hand rest can be according to user's hand size adjustment hand pad and the interval between the arm pad to alleviate hand fatigue, improve user infusion process's comfortable degree and security, simultaneously can real-time supervision patient body temperature and rhythm of the heart.

Description

Auxiliary hand support for transfusion

Technical Field

The utility model relates to an infusion auxiliary assembly technical field, especially an infusion auxiliary hand holds in palm.

Background

During transfusion, a patient needs to keep a palm and an arm in a fixed posture for a long time, so that the patient often feels tired arm muscles and even feels aching and paralyzed. Most of the existing transfusion hand supports are plate-shaped structures integrating a hand pad and an arm pad, a palm and a wrist joint are placed on the hand supports together, and although a certain supporting effect can be achieved on the palm, the wrist joint is kept fixed for a long time and is easy to cause muscle fatigue, and the use comfort is reduced. In addition, the most structures of current infusion hand rest are simple and easy, can not measure patient's body temperature and rhythm of the heart, and inconvenient patient and medical personnel observe the infusion state. Therefore, it is necessary to design an infusion hand support with adjustable distance between the hand pad and the arm pad and capable of measuring body temperature and heart rate.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model discloses the technical problem who plans to solve is, provides an infusion auxiliary hand support, and this hand support can be according to user's hand size adjustment hand pad and the interval between the arm pad to alleviate hand fatigue, improve user infusion process's comfortable degree and security, simultaneously can real-time supervision patient body temperature and rhythm of the heart.

The utility model provides a concrete technical scheme that above-mentioned technical problem adopted is:

an auxiliary hand support for transfusion comprises a hand pad and an arm pad; it is characterized in that the hand support also comprises a telescopic shaft; one end of the telescopic shaft is slidably mounted in the arm pad, the other end of the telescopic shaft is located outside the arm pad and fixedly connected with the hand pad, and the distance between the hand pad and the arm pad is adjusted through the telescopic shaft.

A plurality of clamping bulges are arranged on the telescopic shaft at intervals, and the heights of the clamping bulges are lower than the height of a connecting opening between the telescopic shaft and the arm pad; a telescopic shaft track is arranged in the shell of the arm pad, and one end of the telescopic shaft, which is positioned in the arm pad, is slidably arranged in the telescopic shaft track; the clamping block is fixed in the shell of the arm pad and positioned above the telescopic shaft rail; the lower part of the clamping block is of a W-shaped structure with two convex ends and a concave middle part; the clamping bulge on the telescopic shaft is matched with the concave part in the middle of the clamping block to realize the fixation of the telescopic shaft.

The joint piece adopts elastic material to make, slides the telescopic shaft this moment, and the protruding extrusion joint piece of screens, the joint piece relies on the elasticity of self to take place to warp and realize the protruding cooperation and the breaking away from of going up concave part in the middle of screens and the joint piece.

The clamping block is made of hard materials, a limiting spring is arranged above the clamping block, the upper end of the limiting spring is fixedly connected with the inner wall of the shell of the arm pad, and the other end of the limiting spring is fixedly connected with the clamping block; the telescopic shaft slides at the moment, the clamping protrusions extrude the clamping blocks, and the clamping protrusions are matched with and separated from the middle concave parts of the clamping blocks through the elasticity of the limiting springs.

The tip of telescopic shaft and telescopic shaft track complex one end is equipped with spacing arch, and spacing bellied height is higher than the biggest height that produces behind the extrusion joint piece.

The hand support also comprises a heart rate detection module, a body temperature detection module and a display screen; display screen, rhythm of the heart detection module and body temperature detection module all set up in the hand pad, and the display screen can be accomodate completely in the hand pad or pop out from the hand pad.

A sliding groove is formed in the hand pad bottom shell of the hand pad, and a plurality of power-assisted springs are arranged at one end, far away from the notch of the sliding groove, of the hand pad bottom shell; one side of the hand pad bottom shell is provided with a rotating shaft, and the rotating shaft is provided with a sliding rail; a sleeve is arranged on one side of the display screen, the sleeve is sleeved on the rotating shaft, and a guide path bulge is arranged on the inner side of the sleeve; the display screen is pressed, the sleeve slides on the rotating shaft, and the guide path protrusion slides along the sliding rail of the rotating shaft, so that the rotating shaft rotates around the axis of the rotating shaft, and the display screen is popped up or retracted.

The sliding rail is composed of a main rail, a first sub rail and a second sub rail, the main rail extends along the axial direction of the rotating shaft, the tail end of the main rail is forked to form the first sub rail and the second sub rail, and a forked point E of the first sub rail and the second sub rail is not collinear with the central axis of the main rail and is close to the first sub rail; the first sub track and the second sub track respectively extend to two sides of the main track in the circumferential direction of the rotating shaft, and finally the first sub track and the second sub track are converged on a circumferential surface, opposite to the main track, of the rotating shaft, so that the main track, the first sub track and the second sub track form a passage; the first sub track and the second sub track form an upper junction point A and a lower junction point F at the junction position, after the slide rail is expanded along the axial direction of the rotating shaft, the distance from the upper junction point A to the central axis of the main track is larger than the distance from the lower junction point F to the central axis of the main track, and the guide path bulge can only return to the top point D of the main track along the first sub track; the middle parts of the first sub track and the second sub track are bent towards the top of the main track, so that a bending high point B and a bending low point C are formed at the bending part of the first sub track; after the sliding rail is unfolded along the axial direction of the rotating shaft, the distance from the bending high point B of the first branch rail to the central axis of the main rail is greater than the distance from the bending low point C of the first branch rail to the central axis of the main rail, and the guide path bulge can smoothly return to the top point D of the main rail from the intersection position of the first branch rail and the second branch rail; a second sub-track forms a bending high point B 'and a bending low point C' at the bending part; after the sliding rail is unfolded along the axial direction of the rotating shaft, the distance from the bending high point B 'of the second sub-rail to the central axis of the main rail is smaller than the distance from the bending low point C' of the second sub-rail to the central axis of the main rail, and the guide path protrusion can smoothly enter the intersection position of the first sub-rail and the second sub-rail from the bending part of the second sub-rail.

The hand pad comprises a hand pad soft bag, a hand pad bottom shell and a hand pad upper shell; the hand pad upper shell is covered on the hand pad bottom shell, and the hand pad soft package is covered on the hand pad upper shell; the heart rate detection module and the body temperature detection module are fixed on the inner wall of the hand pad upper shell, the hand pad soft package is provided with detection holes, and the detection ends of the heart rate detection module and the body temperature detection module are located in the detection holes; the heart rate detection module and the body temperature detection module are both powered by rechargeable batteries; the lateral wall of the hand pad upper shell is respectively provided with a charging port and a switch button.

The arm pad comprises an arm pad shell and an arm pad soft package; the arm pad shell comprises an arm pad bottom shell and an arm pad upper shell; the arm pad upper shell covers the arm pad bottom shell, and the arm pad soft package covers the arm pad upper shell; the telescopic shaft track is located on the arm pad bottom shell and is integrally formed with the arm pad bottom shell.

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

the utility model adjusts the distance between the hand pad and the arm pad through the telescopic shaft, so that the arm pad is positioned at different positions of the forearm of the user, pads up the wrist and the forearm and relaxes the muscle of the arm, thereby relieving the fatigue caused by the long-time keeping of the wrist and the forearm in the same posture and improving the comfort level; the space between the hand pad and the arm pad can be adjusted, and meanwhile, the requirement of users with larger or smaller palms can be met, so that the application range is wider; when the hand support is not used, the distance between the hand pad and the arm pad can be adjusted to be minimum, and the hand support is convenient to store; when in use, the occupied area of the hand support can be flexibly adjusted according to the use environment.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the telescopic shaft and the telescopic shaft rail of the present invention;

fig. 3 is a schematic view of the engagement between the locking protrusion and the locking block of the telescopic shaft of the present invention;

FIG. 4 is a schematic view showing the state of the display screen retracted into the bottom case of the hand pad;

FIG. 5 is a schematic view showing a state where the display screen is completely popped out from the bottom case of the hand pad;

FIG. 6 is a schematic view of the structure of the present invention with one angle of the rotating shaft;

fig. 7 is a schematic structural view of another angle of the rotating shaft of the present invention;

fig. 8 is a schematic structural view of the slide rail on the rotating shaft of the present invention after being expanded along the axial direction of the rotating shaft;

fig. 9 is a schematic structural view of the sleeve of the present invention;

in the figure: 1-hand pad; 2-arm pad; 3-a telescopic shaft; a display screen 4;

11-soft bag of hand pad; 12-a detection well; 13-a switch button; 14-hand pad upper shell; 15-hand pad bottom case; 16-a charging port; 21-soft bag of arm pad; 22-arm pad bottom shell; 23-telescoping shaft track; 24-a fixed seat; 25-a clamping block; 26-arm pad upper shell; 31-a blocking projection; 32-a limit protrusion; 41-a sleeve; 42-guide path projection; 151-a chute; 152-a rotating shaft; 153-a slide rail; a booster spring 154; 1531-main track; 1532-split track number one; 1533-split track number two.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

The utility model provides an auxiliary hand support for transfusion (refer to fig. 1-9 for short), which comprises a hand pad 1, an arm pad 2, a telescopic shaft 3, a display screen 4, a heart rate detection module (not shown in the figure) and a body temperature detection module (not shown in the figure); one end of the telescopic shaft 3 is installed in the arm pad 2, the other end of the telescopic shaft 3 is located outside the arm pad 2 and fixedly connected with the hand pad 1, the telescopic shaft 3 can slide in the telescopic shaft rail 23 in a reciprocating mode, and then the matching distance of the telescopic shaft 3 in the telescopic shaft rail 2 is adjusted to adjust the distance between the hand pad 1 and the arm pad 2, and the purpose of relieving wrist fatigue is achieved; display screen 4, rhythm of the heart detection module and body temperature detection module all set up in hand pad 1, and display screen 4 can be accomodate completely in hand pad 1 or pop out from hand pad 1, and the person of facilitating the use observes the detection data.

A telescopic shaft rail 23 is arranged in the shell of the arm pad 2, the fixed seat 24 is fixed in the shell of the arm pad 2, the clamping block 25 is fixed on the fixed seat 24 and positioned above the telescopic shaft 3, and the telescopic shaft 3 is fixed through the matching of the clamping block 25 and the telescopic shaft 3; a plurality of clamping protrusions 31 are arranged on the telescopic shaft 3 at intervals, and a limiting protrusion 32 is arranged at the end part of one end, matched with the telescopic shaft rail 23, of the telescopic shaft 3; the height of the limiting bulge 32 is higher than the maximum height generated after the clamping block 25 deforms or is jacked upwards, so that the telescopic shaft 3 is prevented from falling off from the telescopic shaft track 23; the height of the clamping bulge 31 is lower than that of the connecting opening of the telescopic shaft 3 and the arm pad 2, so that the telescopic shaft 3 can smoothly slide in the arm pad 2;

the lower part of the clamping block 25 is of a W-shaped special-shaped structure with two convex ends and a concave middle part, and the concave middle part can accommodate the clamping bulge 31 on the telescopic shaft 3; the contact surfaces of the lower part of the clamping block 25 and the telescopic shaft 3 are all arc surfaces, so that the clamping bulge 31 is ensured to be smoothly clamped into the concave part in the middle of the clamping block 25 or slide out of the concave part; the clamping block 25 is made of thermoplastic polyester elastomer, and the clamping block 25 deforms by means of elasticity of the clamping block; the clamping block 25 can also be made of hard materials, a limiting spring (not shown in the figure) is arranged above the clamping block 25, the upper end of the limiting spring is fixedly connected with the inner wall of the shell of the arm pad 2, and the other end of the limiting spring is fixedly connected with the clamping block 25; the telescopic shaft 3 is pulled manually, the telescopic shaft 3 slides in the telescopic shaft track 23, the clamping protrusion 31 extrudes the clamping block 25 upwards, the limiting spring is compressed along the axial direction, the clamping protrusion 31 is clamped into the upper concave part in the middle of the clamping block 25, the telescopic shaft 3 is fixed, and at the moment, the limiting spring returns to the original natural length; continuing to stimulate under the condition of telescopic shaft 3, the protruding 31 of screens that is located the middle portion of going up the concave part of joint piece 25 upwards extrudees joint piece 25 once more and makes spacing spring compressed once more, and the protruding 31 roll-off of screens is followed the middle portion of going up the concave part of joint piece 25, and the protruding 31 of screens breaks away from the cooperation with joint piece 25, and spacing spring resumes nature original length once more.

A plurality of power-assisted springs 154 are arranged at one end of the hand pad bottom shell 15 of the hand pad 1, which is far away from the groove opening of the sliding groove 151; a rotating shaft 152 is arranged on one side of the hand pad bottom shell 15, and a sliding rail 153 is arranged on the rotating shaft 152; one side of the display screen 4 is provided with a sleeve 41, the sleeve 41 is sleeved on the rotating shaft 152, and the inner side of the sleeve 41 is provided with a guide protrusion 42 matched with the slide rail 153; when the display screen 4 is manually pressed (the display screen 4 is pushed towards the inside of the hand pad 1), the sleeve 41 slides on the rotating shaft 152, and the guide protrusion 42 slides along the slide rail 153 of the rotating shaft 152, so that the rotating shaft 152 rotates around the axis of the rotating shaft 152, and the display screen 4 is popped up and retracted.

The slide rail 153 is composed of a main rail 1531, a first sub rail 1532 and a second sub rail 1533, the main rail 1531 extends along the axial direction of the rotating shaft 152, a first sub rail 1532 and a second sub rail 1533 are formed by branching at the end of the main rail 1531, and a branching point E of the first sub rail 1532 and the second sub rail 1533 is not collinear with the central axis of the main rail 1531 and is close to the first sub rail 1532; the first sub-track 1532 and the second sub-track 1533 extend to both sides of the main track 1531 in the circumferential direction of the rotating shaft 152, and the first sub-track 1532 and the second sub-track 1533 finally meet on the circumferential surface of the rotating shaft 152 opposite to the main track 1531, so that the main track 1531, the first sub-track 1532 and the second sub-track 1533 form a passage; the first sub track 1532 and the second sub track 1533 form an upper junction a and a lower junction F at the junction position; after the slide rail 153 is expanded along the axial direction of the rotating shaft 152, the distance from the upper junction point a to the central axis of the main rail 1531 is greater than the distance from the lower junction point F to the central axis of the main rail 1531, so that the guide protrusion 42 can only return to the vertex D of the main rail 1531 along the first sub-rail 1532; the middle parts of the first sub-track 1532 and the second sub-track 1533 are bent toward the top of the main track 1531, so that the first sub-track 1532 forms a bending high point B and a bending low point C at the bent part; after the slide rail 153 is axially unfolded along the rotating shaft 152, the distance from the bending high point B of the first sub-rail 1532 to the central axis of the main rail 1531 is greater than the distance from the bending low point C of the first sub-rail 1532 to the central axis of the main rail 1531, so that the guide projection 42 can smoothly return to the vertex D of the main rail 1531 from the intersection position of the first sub-rail 1532 and the second sub-rail 1533 through the bending part of the first sub-rail 1532; the second sub-track 1533 forms a bending high point B 'and a bending low point C' at the bending position; after the slide rail 153 is axially unfolded along the rotating shaft 152, the distance from the bending high point B 'of the second sub-rail 1533 to the central axis of the main rail 1531 is less than the distance from the bending low point C' of the second sub-rail 1533 to the central axis of the main rail 1531, so that the guide projection 42 can smoothly enter the intersection position of the first sub-rail 1532 and the second sub-rail 1533 from the bending part of the second sub-rail 1533; the minimum spacing of the slide rails 153 is greater than the maximum diameter of the sleeve projections 42; when the display screen 4 is in the pop-up state (the state shown in fig. 5), the guide protrusion 42 is located at the vertex D of the main rail 1531, the display screen 4 is pressed towards the hand pad 1, the guide protrusion 42 slides linearly along the main rail 1531 and enters the second sub-rail 1533, and moves to the intersection position of the first sub-rail 1532 and the second sub-rail 1533 through the bent part of the second sub-rail 1533, and at this time, the display screen 4 is in the retracted state (the state shown in fig. 4); the display screen 4 is continuously pressed into the hand pad 1, and the guide projection 42 returns to the vertex D of the main rail 1531 from the intersection position of the first sub rail 1532 and the second sub rail 1533 through the bent part of the first sub rail 1532, so that the display screen 4 is popped up.

The arm pad 2 further comprises a shell of the arm pad and an arm pad soft package 21; the shell of the arm pad consists of an arm pad bottom shell 22 and an arm pad upper shell 26; the arm pad upper shell 26 is covered on the arm pad bottom shell 22 in a clamping manner, and the arm pad soft package 21 is covered on the arm pad upper shell 26; the telescopic shaft track 23 is positioned on the arm pad bottom shell 22 and is integrally formed with the arm pad bottom shell 22; the fixed seat 24 is fixed on the arm pad bottom shell 22; the arm pad base shell 22 and the arm pad top shell 26 are each injection molded plastic shells.

The hand pad 1 further comprises a soft hand pad bag 11, a bottom hand pad shell 15 and an upper hand pad shell 14; the hand pad upper shell 14 is covered on the hand pad bottom shell 15 in a clamping manner, and the hand pad soft package 11 is covered on the hand pad upper shell 15; the heart rate detection module and the body temperature detection module are fixed on the inner wall of the hand pad upper shell 14, the soft hand pad package 11 is provided with a detection hole 12, and the detection ends of the heart rate detection module and the body temperature detection module are located in the detection hole 12, so that the heart rate and the body temperature can be conveniently detected; the heart rate detection module and the body temperature detection module are powered by rechargeable batteries, the rechargeable batteries are also fixed in the hand pad upper shell 14, and the side wall of the hand pad upper shell 14 is respectively provided with a charging port 16 and a switch button 13; the heart rate detection module and the body temperature detection module are communicated with the main control chip at the same time, and the main control chip is fixed in the hand pad upper shell 14 and is of Arduino UNO type; the model of the heart rate detection module is XD-58C, and the model of the body temperature detection module is MEB-503E-3950; the charging port 16 is preferably a Type-c charging port.

The soft bag 21 of the arm pad is saddle-shaped; the upper surface of the soft bag 11 is a cambered surface matched with the palm surface; the soft bag 21 of arm pad and the soft bag 11 of hand pad all adopt silica gel to make.

The display screen 4 is powered by the rechargeable battery, the display screen 4 is connected with the main control chip, and the model of the display screen 4 is LCD 12864.

The utility model discloses a theory of operation and working process are:

in an initial state, the telescopic shaft 3 is completely positioned in the arm pad 2, the display screen 4 is completely retracted into the hand pad 1, and the guide protrusion 42 is positioned at the intersection position of the first sub-track 1532 and the second sub-track 1533; the telescopic shaft 3 is pulled manually, the telescopic shaft 3 slides in the telescopic shaft track 23, the clamping protrusion 31 extrudes the clamping block 25 and is clamped into the concave part in the middle of the clamping block 25, at the moment, the telescopic shaft 3 can be fixed without the action of external force, and the telescopic shaft 3 is prevented from continuously sliding in the telescopic shaft track 23; under the action of external force, namely under the condition of continuously pulling the telescopic shaft 3, the clamping bulge 31 positioned in the middle upper concave part of the clamping block 25 extrudes the clamping block 25 again, the clamping bulge 31 slides out of the clamping block 25, and the clamping bulge 31 is disengaged from the clamping block 25; any clamping bulge 31 on the telescopic shaft 3 can be clamped in the concave part in the middle of the clamping block 25, so that the telescopic shaft 3 is fixed at any position of the telescopic shaft rail 23, the adjustment of the matching depth of the telescopic shaft 3 in the telescopic shaft rail 23 is realized, and the distance between the hand pad 1 and the arm pad 2 is further adjusted;

the display screen 4 is manually pressed into the hand pad 1 to drive the sleeve 41 to slide on the rotating shaft 152, the rotating shaft 152 rotates around the axis of the rotating shaft, the guide path protrusion 42 slides along the first sub-track 1532 from the intersection position of the first sub-track 1532 and the second sub-track 1533 in the sliding groove 153, and returns to the fixed point D of the main track 1531 through the bending part of the first sub-track 1532, and the display screen 4 is completely popped out of the hand pad 1 at the moment, so that a user can observe data conveniently; after use, the display screen 4 is pressed towards the hand pad 1 again, the guide path protrusion 42 slides linearly along the main track 1531 and enters the second sub-track 1533, and moves to the intersection position of the first sub-track 1532 and the second sub-track 1533 through the bent part of the second sub-track 1533, and at this time, the display screen 4 is completely accommodated in the hand pad 1; the popping and retracting actions of the display screen 4 are realized in this cycle.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the protection scope of the present invention cannot be limited thereby. Equivalent changes or modifications made on the basis of the utility model are all covered in the protection scope of the utility model. The utility model discloses the nothing is mentioned the part and is applicable to prior art.

Claims (10)

1. An auxiliary hand support for transfusion comprises a hand pad and an arm pad; it is characterized in that the hand support also comprises a telescopic shaft; one end of the telescopic shaft is slidably mounted in the arm pad, the other end of the telescopic shaft is located outside the arm pad and fixedly connected with the hand pad, and the distance between the hand pad and the arm pad is adjusted through the telescopic shaft.

2. The auxiliary hand support for transfusion as claimed in claim 1, wherein the telescopic shaft is provided with a plurality of blocking protrusions at intervals, and the height of the blocking protrusions is lower than that of the connecting opening between the telescopic shaft and the arm pad; a telescopic shaft track is arranged in the shell of the arm pad, and one end of the telescopic shaft, which is positioned in the arm pad, is slidably arranged in the telescopic shaft track; the clamping block is fixed in the shell of the arm pad and positioned above the telescopic shaft rail; the lower part of the clamping block is of a W-shaped structure with two convex ends and a concave middle part; the clamping bulge on the telescopic shaft is matched with the concave part in the middle of the clamping block to realize the fixation of the telescopic shaft.

3. The auxiliary hand support for infusion according to claim 2, wherein the clamping block is made of elastic material, the telescopic shaft is slid at the moment, the clamping protrusion extrudes the clamping block, and the clamping block deforms by means of elasticity of the clamping block to realize the matching and the separation of the clamping protrusion and the middle upper concave part of the clamping block.

4. The infusion assisting hand rest according to claim 2, wherein the clamping block is made of a hard material, a limiting spring is arranged above the clamping block, the upper end of the limiting spring is fixedly connected with the inner wall of the shell of the arm pad, and the other end of the limiting spring is fixedly connected with the clamping block; the telescopic shaft slides at the moment, the clamping protrusions extrude the clamping blocks, and the clamping protrusions are matched with and separated from the middle concave parts of the clamping blocks through the elasticity of the limiting springs.

5. The auxiliary hand support for infusion according to claim 3 or 4, wherein a limiting protrusion is arranged at the end of one end of the telescopic shaft matched with the telescopic shaft rail, and the height of the limiting protrusion is higher than the maximum height generated after the clamping block is extruded.

6. The infusion assisting hand rest according to claim 1, further comprising a heart rate detection module, a body temperature detection module and a display screen; display screen, rhythm of the heart detection module and body temperature detection module all set up in the hand pad, and the display screen can be accomodate completely in the hand pad or pop out from the hand pad.

7. The infusion assisting hand rest according to claim 6, wherein a sliding groove is formed in the hand pad bottom shell of the hand pad, and a plurality of power-assisted springs are arranged at one end, away from a groove opening of the sliding groove, of the hand pad bottom shell; one side of the hand pad bottom shell is provided with a rotating shaft, and the rotating shaft is provided with a sliding rail; a sleeve is arranged on one side of the display screen, the sleeve is sleeved on the rotating shaft, and a guide path bulge is arranged on the inner side of the sleeve; the display screen is pressed, the sleeve slides on the rotating shaft, and the guide path protrusion slides along the sliding rail of the rotating shaft, so that the rotating shaft rotates around the axis of the rotating shaft, and the display screen is popped up or retracted.

8. The infusion assisting hand rest according to claim 7, wherein the slide rail is composed of a main rail, a first branch rail and a second branch rail, the main rail extends along the axial direction of the rotating shaft and is branched at the tail end of the main rail to form the first branch rail and the second branch rail, and a branch point E of the first branch rail and the second branch rail is not collinear with the central axis of the main rail and is close to the first branch rail; the first sub track and the second sub track respectively extend to two sides of the main track in the circumferential direction of the rotating shaft, and finally the first sub track and the second sub track are converged on a circumferential surface, opposite to the main track, of the rotating shaft, so that the main track, the first sub track and the second sub track form a passage; the first sub track and the second sub track form an upper junction point A and a lower junction point F at the junction position, after the slide rail is expanded along the axial direction of the rotating shaft, the distance from the upper junction point A to the central axis of the main track is larger than the distance from the lower junction point F to the central axis of the main track, and the guide path bulge can only return to the top point D of the main track along the first sub track; the middle parts of the first sub track and the second sub track are bent towards the top of the main track, so that a bending high point B and a bending low point C are formed at the bending part of the first sub track; after the sliding rail is unfolded along the axial direction of the rotating shaft, the distance from the bending high point B of the first branch rail to the central axis of the main rail is greater than the distance from the bending low point C of the first branch rail to the central axis of the main rail, and the guide path bulge can smoothly return to the top point D of the main rail from the intersection position of the first branch rail and the second branch rail; a second sub-track forms a bending high point B 'and a bending low point C' at the bending part; after the sliding rail is unfolded along the axial direction of the rotating shaft, the distance from the bending high point B 'of the second sub-rail to the central axis of the main rail is smaller than the distance from the bending low point C' of the second sub-rail to the central axis of the main rail, and the guide path protrusion can smoothly enter the intersection position of the first sub-rail and the second sub-rail from the bending part of the second sub-rail.

9. The infusion assist hand rest according to claim 6, wherein the hand pad comprises a soft hand pad bag, a bottom hand pad shell and an upper hand pad shell; the hand pad upper shell is covered on the hand pad bottom shell, and the hand pad soft package is covered on the hand pad upper shell; the heart rate detection module and the body temperature detection module are fixed on the inner wall of the hand pad upper shell, the hand pad soft package is provided with detection holes, and the detection ends of the heart rate detection module and the body temperature detection module are located in the detection holes; the heart rate detection module and the body temperature detection module are respectively provided with a charging port and a switch button on the side wall of the upper shell of the hand pad powered by the rechargeable battery.

10. The infusion assist hand rest of claim 2, wherein the arm pad comprises an arm pad housing and an arm pad soft package; the arm pad shell comprises an arm pad bottom shell and an arm pad upper shell; the arm pad upper shell covers the arm pad bottom shell, and the arm pad soft package covers the arm pad upper shell; the telescopic shaft track is located on the arm pad bottom shell and is integrally formed with the arm pad bottom shell.

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