Multifunctional blood sampling fixing device

Abstract

The invention discloses a multifunctional blood sampling fixing device which comprises a seat and a seat back, an angle adjusting driving motor is fixed to the side of the seat, a rotating shaft of the angle adjusting driving motor is fixedly connected with the seat back, a seat back supporting frame is hinged to the seat, and sliding adjusting grooves are symmetrically formed in the two sides of the seat; sliding adjusting grooves are formed in the seat, sliding adjusting mechanisms are arranged in the sliding adjusting grooves, a blood vessel developing instrument is fixed to the sliding adjusting mechanism on the outer side, an arm fixing mechanism is fixed to the sliding adjusting mechanism on the inner side, a position adjusting driving motor is fixed to the side of the seat, and the sliding adjusting mechanisms are connected with the position adjusting driving motor. A controller is fixed to the bottom of the seat, and an operation panel is led out of the controller. The chair back of the device can be adjusted according to the fixing requirements of different patients, the position of the arm restraining plate can be adjusted according to the position of the arm so that the arm can be conveniently fixed, the corresponding blood sampling part can be exposed, the blood vessel developing function is provided, and medical staff are assisted in blood vessel puncture.

Description

Technical Field

[0001] The invention relates to the field of blood sampling tools, and in particular to a multifunctional blood sampling fixing device. Background Art

[0002] Blood sampling is one of the common clinical examinations. The purpose of blood sampling is generally to determine the severity of the disease and provide a basis for the next step of treatment. Common clinical blood routine, liver and kidney function, blood lipids, blood sugar, electrolyte tests, hCG, tumor markers and other tests all require blood testing. Blood tests can help doctors determine the patient's specific condition. Then the doctor will clarify the cause of the disease based on the condition and other test results and conduct corresponding causal treatment. Common clinical blood collection methods include venous blood collection, skin blood collection and arterial blood collection, which require venous puncture, skin puncture and arterial puncture accordingly.

[0003] When drawing blood from patients, medical staff will take corresponding fixing measures according to the patient's compliance to facilitate blood drawing. For example, fully compliant patients do not need to be fixed for blood drawing, while patients with low compliance or no compliance need to be restrained and fixed to complete the blood drawing operation. Currently, the blood drawing process of patients is mainly completed on the chair, and the current chair has the following shortcomings during use: 1. The tilt angle of the chair back cannot be adjusted to meet the needs of patients to fix blood drawing; 2. The armrests of the chair are not convenient to adjust to fix the patient's arms; 3. The current blood drawing chair cannot provide visualization function for medical staff's vascular puncture. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides a multifunctional blood sampling fixation device, the backrest of the device can be adjusted according to the fixation needs of different patients and provide support for the backrest after the adjustment to prevent the chair from tipping over, and the stability is good; the device can adjust the position of the arm restraint plate according to the position of the arm to facilitate the fixation of the arm and expose the corresponding blood collection site; the device can provide a vascular development function to assist medical personnel in performing vascular puncture, and the position of the vascular developer can be automatically adjusted to adapt to the different fixation positions of the patient's arm.

[0005] In order to achieve the above technical effects, the present invention is implemented by the following technical solutions: A multifunctional blood sampling fixing device comprises a seat and a chair back, wherein the chair back is hinged on the seat and can rotate in the seat, an angle adjustment driving motor is fixed on the side of the seat, and the rotating shaft of the angle adjustment driving motor is fixedly connected to the chair back, a chair back support frame is hinged on the seat, the chair back support frame can be rotated and adjusted on the seat and locked on the seat through a locking nut, locking slide grooves are provided on both sides of the chair back support frame, diagonal braces are hinged on both sides of the chair back, and sliding screws are fixed on the ends of the diagonal braces, and the sliding screws can pass through the locking slide grooves and be locked on the chair back support frame through nuts, sliding adjustment grooves are symmetrically provided on both sides of the seat, and a sliding adjustment mechanism is arranged in the sliding adjustment groove, a blood vessel developer is fixed on the outer sliding adjustment mechanism, and an arm fixing mechanism is fixed on the inner sliding adjustment mechanism, a position adjustment driving motor is fixed on the side of the seat, and the sliding adjustment mechanism is connected to the position adjustment driving motor; a controller is fixed on the bottom of the seat, and an operation panel is led out of the controller, and the angle adjustment driving motor, the blood vessel developer and the position adjustment driving motor are all connected to the controller.

[0006] Furthermore, a hinge groove is opened at the end side of the seat, a hinge plate extends from the end of the chair back, the hinge plate is inserted into the hinge groove, and the rotating shaft of the angle adjustment drive motor passes through the seat and is fixedly connected to the hinge plate.

[0007] Furthermore, a hidden groove is formed on the back of the chair back support frame, and a support rod is hinged in the hidden groove.

[0008] Furthermore, the sliding adjustment mechanism includes a lead screw and a T-shaped slider, the T-shaped slider is provided with a threaded hole, the lead screw passes through the threaded hole and is threadedly connected to the T-shaped slider, and the rotating shaft of the position adjustment drive motor is fixedly connected to the lead screw.

[0009] Furthermore, the vascular imaging instrument is fixed to the sliding adjustment mechanism through a lifting and adjusting support, the lifting and adjusting support includes a lifting slide rod and a lifting slider, the lifting slider is sleeved on the lifting slide rod and can slide up and down or rotate along the lifting slide rod, the lifting slider is locked to the lifting slide rod through a locking screw, a connecting rod is fixed on the lifting slider, and the vascular imaging instrument is fixed to the top of the connecting rod.

[0010] Furthermore, the arm fixing mechanism includes an arm fixing plate, a bracket and a restraint belt, the bracket is fixed on the T-shaped slider, the arm fixing plate is fixed on the bracket, and the restraint belt is fixed to the arm fixing plate by Velcro.

[0011] Furthermore, a battery, a control circuit board and several relays are fixed in the controller, the battery and the relay are connected to the control circuit board, the operation panel and the vascular angiography instrument are connected to the control circuit board, and the angle adjustment drive motor and the position adjustment drive motor are connected to the control circuit board via a relay respectively.

[0012] Furthermore, a processing chip, a power module, a digital-to-analog conversion module, a storage module and a USB data transmission module are fixed on the control circuit board, the relay is connected to the processing chip through the digital-to-analog conversion module, the battery is connected to the processing chip through the power module, the storage module and the USB data transmission module are both connected to the processing chip, and the vascular angiography instrument is connected to the USB data transmission module.

[0013] The beneficial effects of the present invention are as follows: the chair back of the device can be adjusted according to the fixation needs of different patients and provide support for the chair back after the adjustment to prevent the chair from tipping over, and the stability is good; the device can adjust the position of the arm restraint plate according to the position of the arm to facilitate the fixation of the arm and expose the corresponding blood collection site; the device can provide a vascular development function to assist medical personnel in performing vascular puncture, and the position of the vascular developer can be automatically adjusted to adapt to the different fixation positions of the patient's arm. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0015] Figure 1 It is a schematic diagram of the overall structure of a multifunctional blood sampling and fixing device; Figure 2 It is a schematic diagram of the use status of a multifunctional blood sampling and fixing device; Figure 3 is a schematic diagram of the assembly structure of the vascular imaging instrument and the sliding adjustment mechanism; Figure 4 is a schematic diagram of the assembly structure of the arm fixing mechanism and the sliding adjustment mechanism; Figure 5 It is a schematic diagram of the internal structure of the controller.

[0016] In the accompanying drawings, the components represented by the reference numerals are listed as follows: 1-seat, 2-backrest, 3-diagonal support, 4-backrest support frame, 5-angle adjustment drive motor, 6-locking nut, 7-lifting adjustment support, 8-vascular developer, 9-bracket, 10-arm fixing mechanism, 11-controller, 12-operation panel, 13-position adjustment drive motor, 14-screw, 15-T-type slider, 16-arm fixing plate, 17-restraint belt, 31-nut, 41-locking slide, 42-support rod, 71-lifting slide, 72-lifting slide, 73-locking screw, 74-connecting rod, 101-sliding adjustment slot, 102-hinge slot, 103-chair leg, 111-bottom plate, 112-battery, 113-control circuit board, 114-relay, 115-processing chip, 116-power module, 117-digital-to-analog conversion module, 118-storage module, 119-USB data transmission module. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] like Figure 1-2 As shown, a multifunctional blood sampling fixing device comprises a seat 1 and a seat back 2, wherein the seat back is hinged on the seat and can rotate in the seat, an angle adjustment drive motor 5 is fixed to the side of the seat, and the rotating shaft of the angle adjustment drive motor 5 is fixedly connected to the seat back, a seat back support frame 4 is hinged on the seat, the seat back support frame can be rotated and adjusted on the seat and locked on the seat by a locking nut 6, locking grooves are provided on both sides of the seat back support frame, diagonal braces 3 are hinged on both sides of the seat back 2, and sliding screws are fixed to the ends of the diagonal braces 3, and the sliding screws can pass through the locking grooves 41 and be locked by nuts 31 Fixed on the chair back support frame, the seat 1 has sliding adjustment grooves 101 symmetrically opened on both sides, and a sliding adjustment mechanism is arranged in the sliding adjustment groove 101. A vascular developer 8 is fixed on the outer sliding adjustment mechanism, and an arm fixing mechanism 10 is fixed on the inner sliding adjustment mechanism. A position adjustment drive motor 13 is fixed on the side of the seat 1, and the sliding adjustment mechanism is connected to the position adjustment drive motor; a controller 11 is fixed to the bottom of the seat 1, and an operation panel 12 is led out from the controller 11, and the angle adjustment drive motor, vascular developer and position adjustment drive motor are all connected to the controller.

[0019] A hinge groove 102 is formed at the end side of the seat 1, a hinge plate extends from the end of the seat back, the hinge plate is inserted into the hinge groove, and the rotating shaft of the angle adjustment drive motor passes through the seat and is fixedly connected to the hinge plate.

[0020] A hidden groove is formed on the back of the chair back support frame 3, and a support rod 42 is hinged in the hidden groove.

[0021] like Figure 3-4 As shown, the sliding adjustment mechanism includes a lead screw 14 and a T-shaped slider 15 . The T-shaped slider 14 has a threaded hole, the lead screw passes through the threaded hole and is threadedly connected to the T-shaped slider. The rotating shaft of the position adjustment drive motor 13 is fixedly connected to the lead screw 14 .

[0022] The vascular imaging instrument 8 is fixed to the sliding adjustment mechanism through a lifting and adjusting support 7. The lifting and adjusting support includes a lifting slide bar 71 and a lifting slider 72. The lifting slider is sleeved on the lifting slide bar and can slide up and down or rotate along the lifting slide bar. The lifting slider is locked on the lifting slide bar through a locking screw 73. A connecting rod 74 is fixed on the lifting slider, and the vascular imaging instrument is fixed to the top of the connecting rod.

[0023] The arm fixing mechanism comprises an arm fixing plate 16, a bracket 9 and a restraining belt 17, wherein the bracket is fixed on a T-shaped slider, the arm fixing plate is fixed on the bracket, and the restraining belt is fixed on the arm fixing plate by Velcro.

[0024] like Figure 5 As shown, a battery 112, a control circuit board 113 and a plurality of relays 114 are fixed on the base plate 111 of the controller 11, the battery and the relay are connected to the control circuit board, the operation panel and the vascular angiography instrument are connected to the control circuit board, and the angle adjustment drive motor and the position adjustment drive motor are connected to the control circuit board via a relay respectively.

[0025] A processing chip 115, a power module 116, a digital-to-analog conversion module 117, a storage module 118 and a USB data transmission module 119 are fixed on the control circuit board. The relay is connected to the processing chip via the digital-to-analog conversion module, the battery is connected to the processing chip via the power module, the storage module and the USB data transmission module are both connected to the processing chip, and the vascular angiography instrument is connected to the USB data transmission module.

[0026] In this embodiment, the processing chip uses the STM32F103 chip, the power module uses the AMS1117-3.3V power chip, and the digital-to-analog conversion module uses the DAC0832 digital-to-analog conversion chip.

[0027] The specific application of the working of the device is as follows: for patients with good compliance, there is no need to fix the arm. The patient can sit directly on the chair and adjust the buttons on the operation panel so that the patient's arm can be fixed on the arm fixing plate 16 of the arm fixing mechanism. Then, the switch of the vascular imaging device 8 is turned on through the operation panel. The vascular imaging device projects the vascular image onto the patient's arm to facilitate medical personnel to perform blood puncture and blood sampling; when the patient needs to draw blood in a tilted or lying position, the chair back support frame 4 can be laid down and the support rod 42 can be supported on the ground. Then, the driving angle of the operation panel is adjusted to drive the drive motor 5 for forward or reverse rotation. When the angle adjustment driving motor rotates forward or reverse, the chair back 2 will be raised or lowered accordingly. After the support angle is adjusted, the diagonal supports on both sides of the chair back 2 are opened, and the sliding screws on the diagonal supports are passed through the locking slide grooves of the chair back support frame 4 and fixed to the chair back support frame 4 through the nuts 31. The chair back support frame supports the chair back 2 at different inclination angles to prevent the seat and the chair back from tipping over; the position of the arm fixing plate 16 is adjusted by the position adjustment driving motor 13 so that it can support the patient's arm, and then the restraint belt is wrapped around the arm to expose the blood collection site, and the vascular developer is turned on for vascular projection and blood collection.

[0028] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

Claims

1. A multifunctional blood sampling fixture, comprising a seat and a chair back, characterized in that: The chair back is hinged on the seat and can rotate in the seat, an angle adjustment drive motor is fixed on the side of the seat, and the rotating shaft of the angle adjustment drive motor is fixedly connected to the chair back, a chair back support frame is hinged on the seat, the chair back support frame can be rotated and adjusted on the seat and locked on the seat through a locking nut, locking slide grooves are opened on both sides of the chair back support frame, diagonal braces are hinged on both sides of the chair back, and sliding screws are fixed on the ends of the diagonal braces, and the sliding screws can pass through the locking slide grooves and be locked on the chair back support frame through nuts, sliding adjustment grooves are symmetrically opened on both sides of the seat, and a sliding adjustment mechanism is arranged in the sliding adjustment groove, a blood vessel developer is fixed on the outer sliding adjustment mechanism, and an arm fixing mechanism is fixed on the inner sliding adjustment mechanism, a position adjustment drive motor is fixed on the side of the seat, and the sliding adjustment mechanism is connected to the position adjustment drive motor; a controller is fixed on the bottom of the seat, and an operation panel is led out of the controller, and the angle adjustment drive motor, the blood vessel developer and the position adjustment drive motor are all connected to the controller.

2. A multifunctional blood sampling and fixing device according to claim 1, characterized in that: A hinge groove is formed at the end side of the seat, a hinge plate extends from the end of the seat back, the hinge plate is inserted into the hinge groove, and the rotating shaft of the angle adjustment driving motor passes through the seat and is fixedly connected to the hinge plate.

3. A multifunctional blood sampling and fixing device according to claim 1, characterized in that: A hidden groove is formed on the back of the chair back support frame, and a support rod is hinged in the hidden groove.

4. The multifunctional blood sampling and fixing device according to claim 1, characterized in that: The sliding adjustment mechanism includes a lead screw and a T-shaped slider. The T-shaped slider is provided with a threaded hole. The lead screw passes through the threaded hole and is threadedly connected to the T-shaped slider. The rotating shaft of the position adjustment drive motor is fixedly connected to the lead screw.

5. A multifunctional blood sampling and fixing device according to claim 4, characterized in that: The vascular imaging instrument is fixed on the sliding adjustment mechanism through a lifting and adjusting support. The lifting and adjusting support includes a lifting slide rod and a lifting slider. The lifting slider is sleeved on the lifting slide rod and can slide up and down or rotate along the lifting slide rod. The lifting slider is locked on the lifting slide rod through a locking screw. A connecting rod is fixed on the lifting slider. The vascular imaging instrument is fixed on the top of the connecting rod.

6. The multifunctional blood sampling and fixing device according to claim 4, characterized in that: The arm fixing mechanism comprises an arm fixing plate, a bracket and a restraint belt, the bracket is fixed on the T-shaped slider, the arm fixing plate is fixed on the bracket, and the restraint belt is fixed on the arm fixing plate by Velcro.

7. The multifunctional blood sampling and fixing device according to claim 1, characterized in that: A battery, a control circuit board and several relays are fixed in the controller, the battery and the relay are connected to the control circuit board, the operation panel and the vascular angiography instrument are connected to the control circuit board, and the angle adjustment drive motor and the position adjustment drive motor are connected to the control circuit board via a relay respectively.

8. The multifunctional blood sampling and fixing device according to claim 8, characterized in that: A processing chip, a power module, a digital-to-analog conversion module, a storage module and a USB data transmission module are fixed on the control circuit board; the relay is connected to the processing chip via the digital-to-analog conversion module; the battery is connected to the processing chip via the power module; the storage module and the USB data transmission module are both connected to the processing chip; and the vascular angiography instrument is connected to the USB data transmission module.

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