CN212592965U

CN212592965U - Blood sampling seat with automatic adjusting function

Info

Publication number: CN212592965U
Application number: CN202020715798.9U
Authority: CN
Inventors: 廖素英; 陈丽勤; 廖小艳; 白璐; 蒋梨
Original assignee: First Affiliated Hospital of PLA Military Medical University
Current assignee: First Affiliated Hospital of PLA Military Medical University
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-02-26
Anticipated expiration: 2030-04-30

Abstract

The utility model relates to a blood sampling auxiliary assembly technical field specifically discloses a seat is used in blood sampling of utensil automatic regulating function, including base and the back of fixed connection on the base, sliding connection has the seat on the back, is equipped with the adjustment mechanism who is used for adjusting seat liftoff height on the base, is equipped with the height detection mechanism who is used for detecting patient's height on the back, and the electricity is connected with control mechanism between height detection mechanism and the adjustment mechanism. The utility model discloses before well patient's blood sampling, utilize height detection mechanism to carry out automated inspection to patient's height, then adjust the height of seat automatically, the seat of having solved blood sampling among the prior art can't be adjusted to the problem that influences blood sampling quality and blood sampling efficiency with patient's height phase-match height fast.

Description

Blood sampling seat with automatic adjusting function

Technical Field

The utility model relates to a blood sampling auxiliary assembly technical field, concretely relates to utensil automatic regulating function's seat for blood sampling.

Background

When the hospital examines the treatment, can carry out the blood sampling operation to the patient usually, during the blood sampling of hospital, it is straight line to need patient's upper arm and forearm, the forearm hangs down naturally, with fully expose the elbow vein, but because the high fixed of desk, and there is the difference in patient's height, especially to adult and child, height difference between them is great, this just causes the great patient of height difference to sit when taking a blood sample on the seat, the unable correct placement of partial patient's arm, cause the condition of blood sampling failure, not only extravagant detection cost, and also can cause many times of injuries to the patient, even cause the doctor to suffer from the contradiction.

In order to solve the problems, a seat with adjustable height appears on the market, for example, the Chinese utility model patent with the publication number of CN 202365931U discloses a technical scheme of a blood sampling chair, the scheme comprises a chair surface and a chair back, the chair surface and the chair back are fixed on a base through a support column, and a locking rotating shaft between a pedal plate and the chair surface is arranged at the joint of the chair surface and the chair back and at the bottom of the front end of the chair surface, so that the angle of the chair back and the angle between the pedal plate and the chair surface are adjusted through a movable rotating shaft with a locking device; a hydraulic device operating pedal is arranged outside the operating support column to adjust the height of the blood sampling chair.

Although the height of seat can be adjusted to above-mentioned patent, but in the accommodation process, need the manual work to stand and step on the manipulation footboard at the seat rear side foot, but such accommodation process need consume about 30 seconds, and accommodation process is generally accomplished by patient oneself, the patient need walk to the seat rear side and adjust, accomplish once regulation back, whether the seat is adjusted to suitable height to the patient needs to be accomplished to the seat, so the condition that the patient once adjusts inaccurate and needs many times regulation can appear, this will waste plenty of time and seriously influence blood sampling efficiency, and the blood sampling of hospital is detected as a basis, the personnel of blood sampling are very many, consequently the demand of high-efficient blood sampling can not be satisfied to above-mentioned seat.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a utensil automatically regulated function's seat for blood sampling to the seat of blood sampling can't be adjusted to the problem that influences blood sampling quality and blood sampling efficiency with patient's height phase-match height fast among the solution prior art.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: the utility model provides a seat is used in blood sampling of utensil automatically regulated function, includes base and the back of fixed connection on the base, and sliding connection has the seat on the back, is equipped with the adjustment mechanism who is used for adjusting seat terrain clearance on the base, is equipped with the height detection mechanism who is used for detecting patient's height on the back, and the electricity is connected with control mechanism between height detection mechanism and the adjustment mechanism.

The principle of the technical scheme is as follows: the seat is used for providing the support to the patient, make the patient can sit and accomplish the blood sampling operation on the seat, height detection mechanism is used for automated inspection patient's height, and height detection mechanism conveys the testing result to control mechanism, control mechanism adjusts the height of seat according to patient's height information control adjustment mechanism, thereby make the seat height adjusted to the within range that matches with patient's height, after the patient sits on the seat, make patient's arm can place on the desktop of blood sampling with correct gesture, thereby make the blood sampling operation go on smoothly.

The beneficial effects of this technical scheme lie in: compared with the prior art that the height of the chair surface is adjusted by adopting the pedal to operate the pedal, the patient needs to finish the adjustment of the chair surface by himself, and the patient can adjust the chair surface by himself completely depending on the feeling, which may cause the situation that the adjustment deviation of the chair surface is larger. In this scheme, utilize height detection mechanism to carry out automated inspection to patient's height, then control mechanism controls adjustment mechanism according to height detection mechanism's testing result, makes adjustment mechanism accomplish the adjustment to the seat automatically to make the seat move to with patient height assorted altitude range, the automatic regulation of accomplishing of whole process seat reduces the artifical time of adjusting the seat and increases the degree of accuracy that the seat was adjusted, thereby promotes blood sampling efficiency.

Furthermore, adjustment mechanism includes motor and the lead screw of fixed connection on the motor, and motor fixed connection is on the base, threaded connection between lead screw and the seat.

The motor drives the screw rod to rotate when rotating, the screw rod is in threaded connection with the seat, and the seat is in sliding connection with the backrest, so that the screw rod drives the seat to slide along the backrest when rotating, and the ground clearance of the seat is adjusted.

Furthermore, the lead screw rotates to be connected on the base and the quantity of lead screw is two, and equal fixedly connected with is followed the driving wheel on the every lead screw, fixedly connected with action wheel on the motor, is connected with the chain between action wheel and the follow driving wheel.

In this scheme, set up the quantity of lead screw into two, the seat can receive the support of two lead screws simultaneously, and the seat uses more stably, and the slip of seat is more smooth and easy.

Furthermore, armrests are fixedly connected to two sides of the chair seat.

This scheme of preferred, at the both sides fixedly connected with handrail of seat, the convenient arm that does not take a blood sample to the patient supports, promotes the comfort level that the patient used the seat.

Furthermore, a T-shaped groove is formed in the backrest, and a sliding block which is connected with the T-shaped groove in a sliding manner is fixedly connected to the armrest.

Sliding connection between back and the handrail, and sliding connection's mode adopts the cooperation mode in slider and T type groove, and T type groove on the back not only plays the guide effect to the handrail, has limit function to the handrail moreover, combines lead screw and seat threaded connection and handrail to fix on the seat for the seat receives a plurality of supports and is more stable, and is more stable when the patient sits on the seat.

Furthermore, the center of gravity of the chair seat is positioned above the base.

Compared with the base arranged at other positions below the seat surface, the gravity center of the base and the gravity center of the seat surface may have a larger distance in the horizontal direction, so that the gravity center of the whole seat is unstable and the seat is prone to toppling. In this scheme, the focus of seat is located the top of base, can set up the base in the below of seat for the focus of seat and the focus of base are located same vertical line as far as possible, thereby make the seat use more steadily.

Furthermore, the lead screw is sleeved with a corrugated pipe.

The screw rod is sleeved by the corrugated pipe, so that the situation that the screw rod is exposed in the rotating process and the screw rod is possibly scratched on a patient is avoided.

Furthermore, a protective cover is fixedly connected to the base, and the motor, the driving wheel and the driven wheel are all located in the protective cover.

In this scheme, utilize the protection casing to motor, action wheel, from driving wheel and chain protection, avoid action wheel, from falling into the barrier between action wheel and the chain and cause the damage to the chain transmission.

Further, the bottom of the base is rotatably connected with a roller.

In this scheme, rotate in the bottom of base and connect the top roller, make things convenient for the removal of seat.

Furthermore, a weight detection mechanism is arranged on the chair surface and is electrically connected with the control mechanism.

Utilize weight detection mechanism to detect patient's weight, combine patient's height to carry out more accurate judgement to the patient position of sitting condition, so that adjust the seat to more suitable scope, guarantee that patient's position of sitting is more accurate and promote the probability of successful blood sampling.

Drawings

Fig. 1 is a schematic view of a blood sampling seat with an automatic adjustment function according to an embodiment of the present invention.

Fig. 2 is a schematic view of a blood sampling seat with an automatic adjustment function according to a second embodiment of the present invention.

Fig. 3 is a schematic view of a blood sampling seat with an automatic adjustment function according to a third embodiment of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a base 1, rollers 2, a chair seat 3, armrests 4, a backrest 5, a motor 6, a driving wheel 7, a driven wheel 8, a chain 9, a screw rod 10, a height detection module 11, a control mechanism 12, a protective cover 13, a corrugated pipe 14, a pressure sensor 15 and a mounting plate 16.

Example one

An embodiment substantially as shown in figure 1: a blood sampling seat with an automatic adjusting function comprises a base 1, wherein the bottom of the base 1 is rotatably connected with a roller 2 through a pin shaft, a seat surface 3 for supporting a patient is arranged above the base 1, the patient sits on the seat surface 3 to perform blood sampling operation, and the positions, close to the front side and the rear side, of the top of the seat surface 3 are fixedly connected with armrests 4 through screws; the backrest 5 is fixedly connected with the vertical arrangement on the right side wall of the base 1 through screws, the T-shaped groove with the vertical arrangement is formed in the left side wall of the backrest 5, the right end portion of the armrest 4 is integrally formed with a sliding block in the T-shaped groove in a vertical sliding connection mode, and the armrest 4 is depended on the vertical sliding connection mode in the T-shaped groove, so that the chair surface 3 can slide in the vertical direction.

As shown in fig. 1, an adjusting mechanism for adjusting the height of the chair surface 3 from the ground is disposed on the top surface of the base 1, in this embodiment, the adjusting mechanism includes a motor 6, a driving wheel 7, driven wheels 8, a chain 9 and screws 10, the motor 6 is fixedly connected to the top surface of the base 1 through bolts, the driving wheel 7 is fixedly connected to an output shaft of the motor 6 through a flat key, the screws 10 are vertically disposed, the number of the screws 10 is two, the bottoms of the two screws 10 are rotatably connected to the front and rear sides of the top surface of the base 1 near the motor 6 through bearings, the chair surface 3 is provided with threaded holes in threaded engagement with the screws 1, the driven wheels 8 are fixedly connected to the bottom ends of the screws 10 through flat keys, the driving wheel 7 is located between the two driven wheels 8, the chain 9 is rotatably connected between the driving wheel 7 and the driven wheels 8, when the, when the driven wheel 8 rotates, the screw rod 10 is driven to rotate, so that the screw rod 10 drives the seat 3 to vertically move, and the height of the seat 3 above the ground is adjusted.

As shown in figure 1, a height detection mechanism for detecting the height of a patient is arranged on the backrest 5, and the height detection mechanism comprises a height detection module 11 (the sensor type: an ultrasonic sensor; the working voltage: 5V; the measuring range: 400 + 2500 mm; the precision: + - (10mm + S + 0.3%)) which is fixedly connected to the right side of the backrest 5 through a screw and has the model of DYP-ME 007-TRB; meanwhile, a control mechanism 12 is arranged on the base 1, the control mechanism 12 comprises a single chip microcomputer which is fixedly connected to the base 1 through screws and of which the model is STM32F103, and the single chip microcomputer is electrically connected with the height detection module 11 and the motor 6.

The specific implementation mode is as follows:

before the blood sampling of the patient, firstly, the relationship between the seat and the height of the patient is determined according to the height of the table during the blood sampling, in this embodiment, taking the table top height of the table for blood sampling as 1.2m as an example, before the height of the seat 3 is adjusted, the patient whose height is within a certain range can be corresponding to a certain height of the seat 3, for example, the height can be 165 and 170cm, the height corresponding to the seat 3 can be set to 80cm, and the height can be 170 and 175cm, and the height corresponding to the seat 3 can be set to 85 cm. Before blood sampling, a patient firstly stands on the right side of the backrest 5, the height detection module 11 detects the height of the patient, the height detection module 11 sends the height detection result of the patient to the single chip microcomputer, the single chip microcomputer determines the distance to be adjusted of the chair surface 3 according to the height of the patient and the current height value of the chair surface 3, for example, the height of the patient is 170cm, at the moment, according to the height value condition of the chair surface after the previous patient uses the chair, if the height of the chair surface 3 is adjusted to 70cm when the previous patient uses the chair, the chair surface 3 needs to be adjusted upwards by 10cm, when in adjustment, the motor 6 is controlled to rotate, so that the screw rod 10 drives the chair surface 3 to move to a proper position, and therefore, when the patient with different heights sits on the chair, the upper arm and the forearm can be in a straight line, and the forearm can be in a natural correct blood sampling posture, the elbow vein is fully exposed, and the blood sampling is conveniently and smoothly carried out.

The blood sampling desk of this embodiment with the hospital is 1.2m highly for the example, and of course, to different hospitals, there is the difference in the height of desk for the blood sampling, to the desk of co-altitude not, can carry out the adaptability to the relation of seat 3 terrain clearance and patient's height in this scheme and revise, does not influence in this scheme to the regulation of seat 3 and patient's use experience degree.

Example two

The difference between the second embodiment and the first embodiment is that: as shown in fig. 2, a protective cover 13 is fixedly connected to the base 1 through screws, so that the motor 6, the driving wheel 7, the driven wheel 8, the chain 9 and the control mechanism 12 in the first embodiment are all located in the protective cover 13, a through hole for the screw rod 10 to pass through is formed in the top of the protective cover 13, and the protective cover 13 is used for protecting the transmission of the chain 9; meanwhile, a corrugated pipe 14 is arranged between the chair surface 3 and the protective cover 13, the corrugated pipe 14 is sleeved on the screw rod 10, the screw rod 10 is protected by the corrugated pipe 14, and injuries such as bruising to a patient when the screw rod 10 rotates are avoided.

EXAMPLE III

The difference between the third embodiment and the second embodiment is that: as shown in fig. 3, a weight detection mechanism is installed inside the seat 3, the weight detection mechanism includes an hx711 pressure sensor 15, the pressure sensor 15 is electrically connected to the single chip, a mounting plate 16 is fixedly connected to the bottom position of the right side of the backrest 5 through a screw, the pressure sensor 15 is installed on the mounting plate 16 through a screw, when a patient stands on the right side of the backrest 5 to measure the height, the patient can stand on the mounting plate 16 at the same time, so that when the height detection module 11 detects the height of the patient, the pressure sensor 15 measures the weight of the patient, and therefore, for the patient with the height within a certain range (for example, 165 and 170cm), the weight of the patient is determined according to the weight condition, so that the height of the seat 3 is further adjusted on the basis of 80cm in the first embodiment, for example, the patient is fat, the height of the seat 3 is decreased by 2cm on the basis that the height of the seat 3 is 80cm corresponding to 165 and 170cm, the height of the chair surface 3 is 78cm, so that the requirement of a patient on using the chair is met, and blood sampling is carried out smoothly.

The above description is only an example of the present invention, and the detailed technical solutions and/or characteristics known in the solutions are not described too much here. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a utensil automatically regulated function's seat for blood sampling, includes base and the back of fixed connection on the base, its characterized in that: the backrest is characterized in that a chair face is connected with the backrest in a sliding mode, an adjusting mechanism used for adjusting the height of the chair face from the ground is arranged on the base, a height detecting mechanism used for detecting the height of a patient is arranged on the backrest, and a control mechanism is electrically connected between the height detecting mechanism and the adjusting mechanism.

2. The blood collection seat with the automatic adjustment function according to claim 1, wherein: the adjusting mechanism comprises a motor and a screw rod fixedly connected to the motor, the motor is fixedly connected to the base, and the screw rod is in threaded connection with the chair surface.

3. The blood collection seat with the automatic adjustment function according to claim 2, wherein: the lead screw rotates to be connected on the base and the quantity of lead screw is two, and equal fixedly connected with from the driving wheel on every lead screw, fixedly connected with action wheel on the motor, be connected with the chain between action wheel and the follow driving wheel.

4. The blood collection seat with the automatic adjustment function according to claim 3, wherein: armrests are fixedly connected to two sides of the chair surface.

5. The blood collection seat with the automatic adjustment function according to claim 4, wherein: a T-shaped groove is formed in the backrest, and a sliding block which is connected with the armrest in a sliding mode is fixedly connected to the armrest.

6. The blood collection seat with the automatic adjustment function according to claim 5, wherein: the center of gravity of the chair surface is positioned above the base.

7. The blood collection seat with the automatic adjustment function according to claim 6, wherein: the corrugated pipe is sleeved on the screw rod.

8. The blood collection seat with the automatic adjustment function according to claim 7, wherein: the base is fixedly connected with a protective cover, and the motor, the driving wheel, the driven wheel and the chain are all located in the protective cover.

9. The blood collection seat with the automatic adjustment function according to any one of claims 1 to 8, wherein: the bottom of the base is rotatably connected with a roller.

10. The blood collection seat with the automatic adjustment function according to claim 9, wherein: the device also comprises a weight detection mechanism for detecting the weight of the patient, wherein the weight detection mechanism is electrically connected with the control mechanism.