CN114052698B - Finger tip capillary vessel refilling time automatic evaluation device - Google Patents

Abstract

The invention belongs to the field of capillary vessel filling time, and particularly relates to an automatic estimation device for finger-tip capillary vessel filling time, which comprises a body, wherein the bottom end of the body is fixedly connected with a wrist sleeve, the inner cavity of the body is fixedly connected with a control box, the inner cavity of the control box is fixedly provided with a motor, and the output end of the motor is fixedly connected with a gear through a rotating shaft; the controller controls the motor to drive the gear on the rotating shaft to rotate, so that the rack plate I and the rack plate II slide relatively, the connecting piece I and the connecting piece II drive the two extrusion pieces I to slide relatively to extrude the air bag II, gas in the air bag II enters the air bag I in the finger sleeve through the inflation connecting pipe, the pressure of the nail cover is sensed through the transparent pressure-sensitive glass, the disappearance time of blood flow and the recovery time of the blood flow after deflation are recorded, the reperfusion time of the capillary vessel is calculated and recorded, and the automatic evaluation of the refilling time of the capillary vessel at the finger end is realized.

Description

Finger tip capillary vessel refilling time automatic evaluation device

Technical Field

The invention relates to the field of capillary vessel filling time, in particular to an automatic estimation device for finger tip capillary vessel filling time.

Background

The blood refilling time of the capillary vessels reflects the state of the blood microcirculation. The us SSC sepsis guideline of 2021 recommended that capillary filling time be a complementary means of reflecting perfusion to assess organ perfusion and direct resuscitation of sepsis. The advantage of assessing capillary refill time for shock patients is that the response is rapid, while the response time for blood lactate is relatively delayed, and when vital signs are normal (blood pressure, cardiac output, heart rate), abnormalities in capillary refill indicate the need for continued assessment and treatment.

Capillary filling time (less than or equal to 3 seconds) is the judgment standard of the severity and prognosis of traumatic shock. According to the data in the study, it is shown that: the refilling time of abnormal capillary vessels of the fingers is more than 3 seconds and more than 4 seconds, which indicates that the perfusion is insufficient. Even if the average pressure of a patient is more than 65mmhg, if the capillary vessel refilling time (or skin spots) of the patient does not tend to be normal, the patient is still in danger, so the detection of the capillary vessel refilling time of the finger tips of the fingers has important significance for detecting related diseases, in addition, clinical temperature measurement mainly monitors mouth temperature, axillary temperature, ear temperature, anal temperature, blood temperature and the like, the monitoring of peripheral temperature is few, the patient mainly feels in a touch mode of medical care personnel, and objective and effective data are lacked.

Currently, the way that medical personnel measure capillary refill time is: the pressure of the patient is removed after the fingers of medical staff press the patient's limb nail bed for a moment, the color change of the pressed local skin is observed, most researches suggest pressing for 5 seconds or 15 seconds, the longer the pressing time is, the refilling time can be relatively influenced, and the different operations of each person can lead to different conclusions, so that the data is not objective and accurate enough; meanwhile, if the ambient temperature is too low, the blood refilling time of the capillary vessel can be influenced when the patient feels cold; therefore, an automatic estimation device for finger tip capillary refilling time is provided to solve the above problems.

Disclosure of Invention

In order to make up for the defects of the prior art, the invention provides an automatic estimation device for the refilling time of finger tip capillaries, which solves the problems that most workers detect the refilling time of capillaries by manual pressing, most of researches on the pressing time suggest 5 seconds or 15 seconds, the longer the pressing time is, the relative influence on the refilling time is, the different operation of each person can lead to different conclusions, the data is not accurate enough, and simultaneously, if the ambient temperature is too low, the blood refilling time of the capillaries is influenced when a patient feels cold.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to an automatic evaluation device for finger tip capillary vessel refilling time, which comprises a body, wherein a wrist sleeve is fixedly connected to the bottom end of the body, a control box is fixedly connected to the inner cavity of the body, a motor is fixedly installed in the inner cavity of the control box, the output end of the motor is fixedly connected with a gear through a rotating shaft, a rack plate I and a rack plate II are respectively meshed and connected to two sides of the gear, a connecting piece I is fixedly connected to the rack plate I, a connecting piece II is fixedly connected to the rack plate II, the connecting piece I and the connecting piece II are respectively fixedly connected with two extrusion pieces I, an air bag II is arranged between the two extrusion pieces and fixedly connected with an inflation connecting pipe, the other end of the inflation connecting pipe penetrates through the body to be connected with the air bag I, the air bag I is fixedly connected to the bottom end of the inner wall of a finger sleeve, a temperature sensing patch is fixedly installed on the air bag I, and transparent pressure sensing glass is fixedly connected to the top end of the finger sleeve, the transparent pressure-sensitive glass is provided with a pressure-sensitive patch and a blood flow detection device, and the inner cavity of the body is fixedly provided with a controller; the air bag II is extruded through the matching among the controller, the motor, the rotating shaft, the gear, the rack plate I, the rack plate II, the connecting piece I, the connecting piece II and the extrusion piece I, so that the air in the air bag II enters the air bag I through the inflation connecting pipe, the inflation time is controlled to be 5 seconds through the controller, the air is immediately deflated after 5 seconds, the interval of the two inflation times is one hour, the pressure of the jacked nail cover is sensed through the pressure sensing paster and the blood flow detection device which are paired on the transparent pressure sensing glass, the disappearance time of the blood flow and the recovery time of the blood flow after deflation are recorded, the refilling time of the capillary vessel is calculated and recorded, the automatic evaluation of the refilling time of the capillary vessel at the finger end is realized, the human factor is eliminated by setting the inflation time to be 5 seconds, the objectivity of the data is ensured, and research proves that the temperature difference between the periphery and the center exceeds 7 degrees, the temperature sensing patch is a sign of peripheral blood vessel over-contraction, local temperature can reflect local blood flow perfusion from the side, however, due to the influence of the local temperature receptor and room temperature, the temperature sensing patch is placed in the finger sleeve to eliminate the influence of the room temperature, and the continuous and effective monitoring of the peripheral temperature is kept.

Preferably, the surface of the body is provided with a display screen, a switch key, a voice broadcast key and an inflation key; through display screen, on & off switch, the voice broadcast key that are equipped with on the body and aerify the key, the staff and the more audio-visual observation data of patient of being convenient for and operate the body.

Preferably, the inner wall of the control box is fixedly connected with two guide rods, and the rack plate I and the rack plate II are respectively connected with the two guide rods in a sliding manner; through the sliding fit of the two guide rods in the control box and the first rack plate and the second rack plate, the sliding of the first rack plate and the second rack plate is facilitated to play a role in assisting in guiding.

Preferably, two limiting grooves are symmetrically formed in the end face of one side, close to the second air bag, of the control box, and the first connecting piece and the second connecting piece are respectively in sliding connection with the two limiting grooves; through the sliding fit between the limiting groove arranged on the control box and the first connecting piece and the second connecting piece, the sliding stroke of the first connecting piece and the second connecting piece is limited, and the first connecting piece and the second connecting piece are prevented from colliding with the gear.

Preferably, the inflation connecting pipe is sleeved with a pipe sleeve, the bottom end of an inner cavity of the pipe sleeve is fixedly connected with a fixing piece, the fixing piece is attached to the inflation connecting pipe, a first annular groove is formed in the top end of the fixing piece, two vertical sliding grooves are symmetrically formed in the inner side of the first annular groove, the bottom end of each vertical sliding groove is communicated with a second annular groove, a third annular groove is formed in the top end of the pipe sleeve, two support rods are connected in the third annular groove in a sliding mode, the top ends of the support rods are fixedly connected with a knob, the support rods are rotatably connected with a second extrusion piece through sliding blocks, a clamping block is fixedly connected to the inner side of the bottom end of each support rod, the support rods are adaptive to the first annular groove, and the clamping block is adaptive to both the vertical sliding grooves and the second annular groove; through the knob that slides downwards for branch drives the extruded piece two and slides downwards and extrudees the gas filled connection pipe, and then has cut off the circulation of air between gasbag one and the gasbag two, has further avoided the possibility of the gas backward flow in the gasbag one.

Preferably, a second magnetic block is embedded at the top end of the inner cavity of the pipe sleeve, a first magnetic block is embedded at the top end of the second extrusion piece, and the first magnetic block is attached to the second magnetic block; when needing to deflate, the clamping block slides out and the supporting rod slides upwards, so that the top end of the second extrusion part is in contact with the top end of the inner cavity of the pipe sleeve, meanwhile, the first magnetic block is attached to the second magnetic block, the second extrusion frame is fixed through the magnetic attraction effect of the first magnetic block and the second magnetic block, and the situation that the second extrusion part continues to extrude the inflation connecting pipe to cause unsmooth gas circulation is avoided.

Preferably, a support is fixedly connected to one side of the top end of the body, a rotating pin is rotatably connected to the support, a torsion spring and a shell are sleeved on the rotating pin in a sleeved mode, a limiting piece is fixedly connected to the bottom end of one side, away from the support, of the shell, and the limiting piece is matched with a groove in the body; through the shell that is equipped with on the body, can avoid the patient to touch the on & off key, the voice broadcast key and aerify the key by accident when wearing the body effectively, influence the result that detects the aassessment.

Preferably, a third magnetic block is fixedly connected to the bottom end of the limiting piece, the third magnetic block is attached to a fourth magnetic block, the outer side of the fourth magnetic block is fixedly connected with a pressing rod, the pressing rod penetrates through the body, the other side of the first magnetic block is fixedly connected with a spring, and the spring is fixedly connected with the inner wall of the groove; when the shell is closed, the limiting block slides into the groove, the magnetic block III is attached to the magnetic block IV, the magnetic attraction force between the magnetic block III and the magnetic block IV is larger than the elastic potential energy of the torsion spring, the shell can keep a closed state, when the shell is required to be opened, the pressing rod slides inwards, the magnetic block IV fixedly connected with the pressing rod extrudes the spring and is separated from the magnetic block III, the shell automatically bounces open through the elastic potential energy of the torsion spring, and the operation of workers is facilitated.

The invention has the advantages that:

1. the invention controls the motor to drive the gear on the rotating shaft to rotate through the controller, so that the rack plate I and the rack plate II slide relatively, the connecting piece I and the connecting piece II further drive the two extrusion pieces I to slide relatively to extrude the air bag II, the air in the air bag II enters the air bag I in the finger sleeve through the inflation connecting pipe, the inflation time is controlled to be 5 seconds through the controller, the air bag II is deflated immediately after 5 seconds, the time interval between two inflations is one hour, the pressure of the jacked nail cover is sensed through the pressure sensing patch on the transparent pressure sensing glass and the blood flow detection device, the time of disappearance of the blood flow and the time of restoration of the blood flow after deflation are recorded, the time of capillary reperfusion is calculated and recorded, the automatic evaluation of the finger end capillary vessel refilling time is realized, and the human factors are eliminated by setting the inflation time to be 5 seconds, the objectivity of data is guaranteed, the temperature sensing patch is placed in the finger sleeve to eliminate the influence of room temperature, and the continuous and effective monitoring of the peripheral temperature is kept;

2. the invention enables the strut to drive the second extrusion part to slide downwards to extrude the inflation connecting pipe by sliding the knob downwards, thereby cutting off the air circulation between the first air bag and the second air bag, further avoiding the possibility of gas backflow in the first air bag, when the strut drives the clamping block to slide to the bottom end of the vertical sliding chute, the strut drives the clamping block to rotate and slide into the second annular groove while sliding in the first annular groove by rotating the knob, thereby completing the limit of the clamping block, facilitating the second extrusion part to continuously extrude the inflation connecting pipe, when needing deflation, sliding out the clamping block and sliding the strut upwards, enabling the top end of the second extrusion part to be contacted with the top end of the inner cavity of the pipe sleeve, meanwhile, the first magnetic block is attached with the second magnetic block, enabling the second extrusion frame to be fixed by the magnetic attraction effect of the first magnetic block and the second extrusion part, and avoiding the unsmooth gas circulation caused by the second extrusion part continuously extruding the inflation connecting pipe, .

3. The shell arranged on the body can effectively prevent a patient from touching the on-off key, the voice broadcast key and the inflation key accidentally when wearing the body and influencing the detection and evaluation results, when the shell is closed, the limiting block slides into the groove, the magnet III is attached to the magnet IV, and the shell can be kept in a closed state because the magnetic attraction force between the magnet III and the magnet IV is greater than the elastic potential energy of the torsion spring, when the shell needs to be opened, the magnet IV fixedly connected with the pressing rod extrudes the spring and is separated from the magnet III by sliding the pressing rod inwards, and the shell automatically pops open through the elastic potential energy of the torsion spring, so that the operation of a worker is facilitated

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.

FIG. 1 is a schematic overall structure diagram according to a first embodiment;

FIG. 2 is a schematic perspective view of a main body according to a first embodiment;

FIG. 3 is a schematic structural view of a finger cot according to a first embodiment;

FIG. 4 is a schematic view of an internal structure of the main body according to the first embodiment;

FIG. 5 is a schematic side view of a control box according to an embodiment;

FIG. 6 is a schematic side view of a pipe sleeve according to an embodiment;

FIG. 7 is a schematic view of a connecting structure of the housing according to the first embodiment;

FIG. 8 is a schematic side view of a body according to one embodiment;

fig. 9 is a partial structural schematic diagram of the second embodiment.

In the figure: 1. a body; 2. a housing; 3. a wrist sleeve; 4. an inflation connecting pipe; 5. pipe sleeve; 6. finger stall; 7. transparent pressure-sensitive glass; 8. a first air bag; 9. a control box; 10. a motor; 11. a gear; 12. a rack plate I; 13. a second rack plate; 14. a guide rod; 15. a first connecting piece; 16. a second connecting piece; 17. a limiting groove; 18. a first extrusion piece; 19. a second air bag; 20. a controller; 21. a display screen; 22. an on-off key; 23. a voice broadcast key; 24. an inflation key; 25. a fixing member; 26. a first annular groove; 27. a second annular groove; 28. a second extrusion part; 29. a first magnetic block; 30. a second magnetic block; 31. a strut; 32. a clamping block; 33. a rotation pin; 34. a torsion spring; 35. a limiting member; 36. a third magnetic block; 37. a fourth magnetic block; 38. a pressing lever; 39. a spring; 40. a telescopic rod; 41. temperature sensing paster.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-8, an automatic evaluation device for finger tip capillary vessel refilling time comprises a body 1, a wrist strap 3 is fixedly connected to the bottom end of the body 1, a control box 9 is fixedly connected to the inner cavity of the body 1, a motor 10 is fixedly installed in the inner cavity of the control box 9, the output end of the motor 10 is fixedly connected to a gear 11 through a rotating shaft, a rack plate one 12 and a rack plate two 13 are respectively engaged and connected to two sides of the gear 11, a connecting member one 15 is fixedly connected to the rack plate one 12, a connecting member two 16 is fixedly connected to the rack plate two 13, the connecting member one 15 and the connecting member two 16 are respectively fixedly connected to two extrusion members one 18, an air bag two 19 is arranged between the two extrusion members, the air bag two 19 is fixedly connected to an inflating connecting pipe 4, the other end of the inflating connecting pipe 4 penetrates through the body 1 to be connected to the air bag one 8, and the air bag one 8 is fixedly connected to the bottom end of the inner wall of the finger sleeve 6, a temperature sensing patch 41 is fixedly installed on the first air bag 8, transparent pressure sensing glass 7 is fixedly connected to the top end of the finger stall 6, a pressure sensing patch and a blood flow detection device are installed on the transparent pressure sensing glass 7, and a controller 20 is fixedly installed in the inner cavity of the body 1; when the finger tip blood pressure gauge works, the motor 10 is controlled by the controller 20 to drive the gear 11 on the rotating shaft to rotate, so that the rack plate I12 and the rack plate II 13 which are meshed with the gear 11 slide relatively, the connecting piece I15 and the connecting piece II 16 drive the two extrusion pieces I18 to slide relatively to extrude the air bag II 19, gas in the air bag II 19 enters the air bag I8 in the finger sleeve 6 through the inflation connecting pipe 4, the inflation time is controlled by the controller 20 to be 5 seconds, the air is released immediately after 5 seconds, the interval of the two inflation times is one hour, the pressure of the lifted nail cap is sensed by the pressure sensing patch on the transparent pressure sensing glass 7 and the blood flow detection device, the disappearance time of the blood flow and the recovery time of the blood flow after the air release are recorded, the reperfusion time of the capillary vessels are calculated and recorded, and the automatic evaluation of the finger tip capillary refilling time is realized, the inflation time is set to be 5 seconds, so that human factors are eliminated, the objectivity of data is guaranteed, and other researches prove that the peripheral-central temperature difference exceeds 7 degrees and is a sign of peripheral blood vessel over-contraction, the local temperature can reflect the local blood flow perfusion condition from the side surface, however, due to the influence of the local temperature receptor and the room temperature, the temperature sensing patch 41 is placed in the finger sleeve 6 to eliminate the influence of the room temperature and keep the continuous and effective monitoring of the peripheral temperature.

The surface of the body 1 is provided with a display screen 21, a switch key 22, a voice broadcast key 23 and an inflation key 24; during operation, the display screen 21 that is equipped with through the body 1 is convenient for staff and the more audio-visual observation data of patient, through on & off switch 22, the voice broadcast key 23 that are equipped with on the body 1 and aerify key 24, the staff of being convenient for switches, voice broadcast and aerifys body 1.

Two guide rods 14 are fixedly connected to the inner wall of the control box 9, and the rack plate I12 and the rack plate II 13 are respectively in sliding connection with the two guide rods 14; during operation, the two guide rods 14 in the control box 9 are in sliding fit with the first rack plate 12 and the second rack plate 13, so that the first rack plate 12 and the second rack plate 13 can slide conveniently to play a role in auxiliary guide, and the first rack plate 12 and the second rack plate 13 are prevented from being influenced by the rotation of the gear 11.

Two limiting grooves 17 are symmetrically formed in the end face of one side, close to the second air bag 19, of the control box 9, and the first connecting piece 15 and the second connecting piece 16 are connected with the two limiting grooves 17 in a sliding mode respectively; during operation, the limiting groove 17 arranged on the control box 9 is in sliding fit with the first connecting piece 15 and the second connecting piece 16, so that the sliding strokes of the first connecting piece 15 and the second connecting piece 16 are limited, and the first connecting piece 15 and the second connecting piece are prevented from colliding with the gear 11.

The inflatable connecting pipe 4 is sleeved with a pipe sleeve 5, the bottom end of an inner cavity of the pipe sleeve 5 is fixedly connected with a fixing piece 25, the fixing piece 25 is attached to the inflatable connecting pipe 4, a first annular groove 26 is formed in the top end of the fixing piece 25, two vertical sliding grooves are symmetrically formed in the inner side of the first annular groove 26, the bottom ends of the vertical sliding grooves are communicated with a second annular groove 27, a third annular groove is formed in the top end of the pipe sleeve 5, two support rods 31 are connected in the third annular groove in a sliding mode, the top ends of the support rods 31 are fixedly connected with a knob, the support rods 31 are rotatably connected with a second extrusion piece 28 through sliding blocks, clamping blocks 32 are fixedly connected to the inner side of the bottom ends of the support rods 31, the support rods 31 adapt to the first annular groove 26, and the clamping blocks 32 adapt to the vertical sliding grooves and the second annular groove 27; the during operation, aerify the completion back when gasbag 8, staff's accessible lapse knob, make branch 31 drive two 28 downslide of extruded article and extrude inflation connection pipe 4, and then cut the circulation of air between gasbag 8 and the two 19, further avoided the possibility of the gas reflux in gasbag 8, when branch 31 drives fixture block 32 and slides to vertical spout bottom, through rotating the knob, make branch 31 drive during fixture block 32 is rotatory and slide in two 27 of ring channels when gliding in one 26 of ring channel, accomplish spacing to fixture block 32, be convenient for two 28 of extruded article continue to extrude inflation connection pipe 4.

A second magnetic block 30 is embedded at the top end of the inner cavity of the pipe sleeve 5, a first magnetic block 29 is embedded at the top end of the second extrusion piece 28, and the first magnetic block 29 is attached to the second magnetic block 30; when the air-inflation connecting pipe device works, when air needs to be deflated, the clamping block 32 slides out and the supporting rod 31 slides upwards, so that the top end of the second extrusion piece 28 is in contact with the top end of the inner cavity of the pipe sleeve 5, meanwhile, the first magnetic block 29 is attached to the second magnetic block 30, the second extrusion frame is fixed through the magnetic attraction effect of the first magnetic block 29 and the second magnetic block 30, and the situation that the air circulation is not smooth due to the fact that the second extrusion piece 28 continuously extrudes the air-inflation connecting pipe 4 is avoided.

A support is fixedly connected to one side of the top end of the body 1, a rotating pin 33 is rotatably connected to the support, a torsion spring 34 and the shell 2 are sleeved on the rotating pin 33, a limiting piece 35 is fixedly connected to the bottom end of one side, away from the support, of the shell 2, and the limiting piece 35 is matched with a groove in the body 1; the during operation, through the shell 2 that is equipped with on the body 1, can avoid the patient to put into touch on-off key 22, voice broadcast key 23 and aerify key 24 by accident when wearing body 1 effectively, influence the result that detects the aassessment, shell 2 is transparent plastic again and makes, the staff of being convenient for and patient direct observation display screen 21.

A third magnetic block 36 is fixedly connected to the bottom end of the limiting member 35, the third magnetic block 36 is attached to a fourth magnetic block 37, the outer side of the fourth magnetic block 37 is fixedly connected to a pressing rod 38, the pressing rod 38 penetrates through the body 1, the other side of the first magnetic block 29 is fixedly connected to a spring 39, and the spring 39 is fixedly connected to the inner wall of the groove; when the shell 2 needs to be opened, the pressing rod 38 slides inwards to enable the magnetic block four 37 fixedly connected with the pressing rod 38 to extrude the spring 39 and be separated from the magnetic block three 36, and the shell 2 automatically bounces open through the elastic potential energy of the torsion spring 34, so that operation of workers is facilitated.

Example two

Referring to fig. 9, in a first comparative example, as another embodiment of the present invention, telescopic rods 40 are fixedly connected to both sides of an inner cavity of the body 1, and the telescopic rods 40 are fixedly connected to the first extrusion part 18; the during operation, the telescopic link 40 that is equipped with through 1 inner chamber of body is convenient for carry out supplementary support to extruded article 18 for extruded article 18 atress is more even, avoids extruded article 18 to drop the influence to two 19 uses of gasbag because the atress is uneven from connecting piece 15 and connecting piece two 16, and then leads to the testing result inaccurate, and telescopic link 40 stretches out and draws back in extruded article 18 relative slip simultaneously, can not lead to the fact the influence to the slip of extruded article 18.

The working principle is that the controller 20 controls the motor 10 to drive the gear 11 on the rotating shaft to rotate, so that the rack plate I12 and the rack plate II 13 meshed with the gear 11 slide relatively, the connecting piece I15 and the connecting piece II 16 drive the two extrusion pieces I18 to slide relatively to extrude the air bag II 19, gas in the air bag II 19 enters the air bag I8 in the finger sleeve 6 through the inflation connecting pipe 4, the controller 20 controls the inflation time to be 5 seconds, the air is released immediately after 5 seconds, the time interval between the two inflation times is one hour, the pressure of the jacked nail cover is sensed through the pressure sensing patch and the blood flow detection device on the transparent pressure sensing glass 7, the disappearance time of the blood flow and the recovery time of the blood flow after the air release are recorded, the reperfusion time of the capillary is calculated and recorded, and the automatic evaluation of the finger tip capillary refilling time is realized, the inflation time is set to be 5 seconds, human factors are eliminated, the objectivity of data is guaranteed, the sliding fit of the two guide rods 14 in the control box 9 and the rack plate I12 and the rack plate II 13 is convenient, the sliding of the rack plate I12 and the rack plate II 13 is facilitated to play an auxiliary guide role, the sliding fit of the limiting groove 17 arranged on the control box 9 and the connecting piece I15 and the connecting piece II 16 is facilitated to limit the sliding stroke of the connecting piece I15 and the connecting piece II 16, the collision between the connecting piece I15 and the connecting piece II and the gear 11 is avoided, when the air inflation of the air bag I8 is completed, a worker can drive the extrusion piece II 28 to slide downwards through the downward sliding knob to extrude the inflation connecting pipe 4, the air circulation between the air bag I8 and the air bag II 19 is cut off, and the possibility of air backflow in the air bag I8 is further avoided, when the support rod 31 drives the clamping block 32 to slide to the bottom end of the vertical sliding groove, the knob is rotated, so that the support rod 31 drives the clamping block 32 to rotate and slide into the second annular groove 27 while sliding in the first annular groove 26, the limiting of the clamping block 32 is completed, the second extrusion piece 28 can continuously extrude the inflation connecting pipe 4 conveniently, when air needs to be deflated, the clamping block 32 slides out and the support rod 31 slides upwards, the top end of the second extrusion piece 28 is in contact with the top end of the inner cavity of the pipe sleeve 5, meanwhile, the first magnetic block 29 is attached to the second magnetic block 30, the second extrusion frame is fixed through the magnetic attraction effect of the first magnetic block 29 and the second magnetic block 30, the unsmooth air circulation caused by the fact that the second extrusion piece 28 continuously extrudes the inflation connecting pipe 4 is avoided, and through the shell 2 arranged on the body 1, the situation that a patient does not touch the on/off switch key 22, the voice broadcast key 23 and the inflation key 24 by accident when wearing the body 1 can be effectively avoided, when the shell 2 needs to be opened, the pressing rod 38 slides inwards to enable the magnetic block four 37 fixedly connected with the pressing rod 38 to extrude the spring 39 and be separated from the magnetic block three 36, and the shell 2 automatically bounces open through the elastic potential energy of the torsion spring 34, so that operation of workers is facilitated.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed.

Claims (7)

1. An automatic estimation device for finger tip capillary refilling time, characterized in that: including body (1), body (1) bottom rigid coupling has wristband (3), the inner chamber rigid coupling of body (1) has control box (9), the inner chamber fixed mounting of control box (9) has motor (10), the output of motor (10) is through pivot and gear (11) rigid coupling, the both sides of gear (11) mesh respectively and are connected with rack board (12) and rack board two (13), the rigid coupling has connecting piece (15) on rack board (12), the rigid coupling has connecting piece two (16) on rack board two (13), connecting piece one (15) and connecting piece two (16) respectively with two extruded article (18) rigid couplings, two be equipped with gasbag two (19) between the extruded article, gasbag two (19) with aerify connecting pipe (4) rigid coupling, the other end of aerifing connecting pipe (4) runs through body (1) and is connected with gasbag one (8), the temperature sensing finger cot comprises a finger cot body (6), an air bag I (8), a temperature sensing patch (41), transparent pressure sensing glass (7), a pressure sensing patch and a blood flow detection device, wherein the air bag I (8) is fixedly connected to the bottom end of the inner wall of the finger cot body (6), the transparent pressure sensing glass (7) is fixedly connected to the top end of the finger cot body (6), the pressure sensing patch and the blood flow detection device are arranged on the transparent pressure sensing glass (7), and a controller (20) is fixedly arranged in an inner cavity of the body (1); the controller controls the inflation time to be 5 seconds, and the air is released immediately after 5 seconds;

a pipe sleeve (5) is sleeved on the inflation connecting pipe (4), a fixing piece (25) is fixedly connected with the bottom end of an inner cavity of the pipe sleeve (5), the fixing piece (25) is attached to the inflatable connecting pipe (4), a first annular groove (26) is formed in the top end of the fixing piece (25), two vertical sliding grooves are symmetrically formed in the inner side of the first annular groove (26), the bottom ends of the vertical sliding grooves are communicated with the second annular groove (27), the top end of the pipe sleeve (5) is provided with a third annular groove, two support rods (31) are connected in the third annular groove in a sliding way, the top end of the supporting rod (31) is fixedly connected with the knob, the supporting rod (31) is rotatably connected with the second extrusion piece (28) through the sliding block, a clamping block (32) is fixedly connected to the inner side of the bottom end of the support rod (31), the support rod (31) is adapted to the first annular groove (26), the clamping block (32) is adapted to the vertical sliding groove and the second annular groove (27).

2. The device for automatically estimating finger tip capillary refill time according to claim 1, wherein: the surface of body (1) is equipped with display screen (21), on & off switch (22), voice broadcast key (23) and aerifys key (24).

3. An automatic finger tip capillary refill time assessment device according to claim 2, wherein: the inner wall rigid coupling of control box (9) has two guide bar (14), rack board one (12) and rack board two (13) respectively with two guide bar (14) sliding connection.

4. An automatic finger tip capillary refill time assessment device according to claim 3, wherein: two limiting grooves (17) are symmetrically formed in the end face of one side, close to the second air bag (19), of the control box (9), and the first connecting piece (15) and the second connecting piece (16) are respectively in sliding connection with the two limiting grooves (17).

5. The device for automatically estimating finger tip capillary refill time according to claim 4, wherein: a second magnetic block (30) is embedded at the top end of the inner cavity of the pipe sleeve (5), a first magnetic block (29) is embedded at the top end of the second extrusion piece (28), and the first magnetic block (29) is attached to the second magnetic block (30).

6. The device for automatically estimating finger tip capillary refill time according to claim 5, wherein: the top one side rigid coupling of body (1) has the support, it is connected with rotating pin (33) to rotate on the support, torsional spring (34) and shell (2) have been cup jointed on rotating pin (33), one side bottom rigid coupling that the support was kept away from in shell (2) has locating part (35), locating part (35) suit with the recess on body (1).

7. The device according to claim 6, wherein said device comprises: the bottom end of the limiting piece (35) is fixedly connected with a magnet III (36), the magnet III (36) is attached to a magnet IV (37), the outer side of the magnet IV (37) is fixedly connected with a pressing rod (38), the pressing rod (38) penetrates through the body (1), the other side of the magnet I (29) is fixedly connected with a spring (39), and the spring (39) is fixedly connected with the inner wall of the groove.

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