CN111449626A - Protecting and monitoring device for internal arteriovenous fistula - Google Patents
Protecting and monitoring device for internal arteriovenous fistula Download PDFInfo
- Publication number
- CN111449626A CN111449626A CN202010274936.9A CN202010274936A CN111449626A CN 111449626 A CN111449626 A CN 111449626A CN 202010274936 A CN202010274936 A CN 202010274936A CN 111449626 A CN111449626 A CN 111449626A
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- China
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- internal fistula
- monitoring device
- loop bar
- arteriovenous internal
- belt
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 32
- 206010003226 Arteriovenous fistula Diseases 0.000 title description 6
- 206010016717 Fistula Diseases 0.000 claims abstract description 76
- 230000003890 fistula Effects 0.000 claims abstract description 76
- 230000001681 protective effect Effects 0.000 claims abstract description 33
- 238000001514 detection method Methods 0.000 claims abstract description 29
- 239000000523 sample Substances 0.000 claims abstract description 23
- 238000004891 communication Methods 0.000 claims description 3
- 230000017531 blood circulation Effects 0.000 description 9
- 239000008280 blood Substances 0.000 description 6
- 210000004369 blood Anatomy 0.000 description 6
- 238000001631 haemodialysis Methods 0.000 description 5
- 230000000322 hemodialysis Effects 0.000 description 5
- 230000002792 vascular Effects 0.000 description 4
- 210000001367 artery Anatomy 0.000 description 3
- 210000003414 extremity Anatomy 0.000 description 3
- 210000003462 vein Anatomy 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 208000006784 Cutaneous Fistula Diseases 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000003872 anastomosis Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 210000000245 forearm Anatomy 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 210000003781 tooth socket Anatomy 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0082—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes
- A61B5/0084—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes for introduction into the body, e.g. by catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0033—Features or image-related aspects of imaging apparatus classified in A61B5/00, e.g. for MRI, optical tomography or impedance tomography apparatus; arrangements of imaging apparatus in a room
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0082—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes
- A61B5/0084—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes for introduction into the body, e.g. by catheters
- A61B5/0086—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes for introduction into the body, e.g. by catheters using infrared radiation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/06—Measuring blood flow
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/46—Ultrasonic, sonic or infrasonic diagnostic devices with special arrangements for interfacing with the operator or the patient
- A61B8/461—Displaying means of special interest
Abstract
The invention discloses an arteriovenous internal fistula protecting and monitoring device, which comprises a protective belt and a detection assembly, wherein the protective belt is connected with the detection assembly; the detection assembly comprises a detection plate, a first supporting rod, a second supporting rod, a first fixing rod, a second fixing rod, a display screen, a storage battery, a micro control unit, an ultrasonic probe, an infrared transmitting tube and a micro camera; the storage battery and the micro control unit are arranged inside the detection board; the detection plate comprises a first side surface and a second side surface which are opposite; the ultrasonic probe, the infrared transmitting tube and the miniature camera are all arranged on the first side surface; the internal condition of the arteriovenous internal fistula can be more visually displayed on a display screen through the detection assembly, so that medical personnel can be helped to more accurately evaluate the arteriovenous internal fistula, the judgment deviation caused by only depending on subjective judgment is greatly reduced, and the success rate of subsequent puncture can be improved; the arteriovenous internal fistula protecting and monitoring device provided by the invention is simple in structure, convenient to operate and very practical.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to an arteriovenous internal fistula protecting and monitoring device.
Background
The appearance of arteriovenous external fistula and arteriovenous internal fistula is a milestone in the development history of vascular access, and the arteriovenous internal fistula is the most irreplaceable permanent vascular access which is mainly used for hemodialysis treatment until now. The arteriovenous fistulization is a surgical operation for forming an intravascular basket and is also a vascular anastomosis operation, the operation position is generally an arm, an artery of a forearm close to the wrist and an adjacent vein are anastomosed, blood circulation is formed between the anastomosed vein and the artery, and a channel between the anastomosed artery and the vein is called arteriovenous fistula. The arteriovenous internal fistula can provide sufficient blood for hemodialysis treatment and guarantee the sufficiency of the hemodialysis treatment.
The arteriovenous internal fistula is a common vascular access for maintenance hemodialysis patients, has the advantages of safety, sufficient blood flow (200-300 ml/min), low infection probability, no influence on the daily life of the patients, easy puncture and the like, and the service life of the arteriovenous internal fistula can reach 4-5 years.
In clinical treatment, before the puncture of hemodialysis, an arteriovenous internal fistula needs to be evaluated. Namely, the position and the direction of the arteriovenous internal fistula, the touch feeling, the smooth blood flow condition of the arteriovenous internal fistula and the like are evaluated. However, most of the clinical evaluations are performed according to subjective judgment of medical staff, and judgment deviation is easy to occur to affect puncture.
Disclosure of Invention
The invention mainly aims to provide an arteriovenous internal fistula protecting and monitoring device, aiming at solving the problem that the evaluation of the arteriovenous internal fistula clinically at present is carried out by the subjective judgment of medical personnel, and the puncture is influenced by the judgment deviation easily.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
an arteriovenous internal fistula protecting and monitoring device comprises a protective belt and a detection assembly; the detection assembly comprises a detection plate, a first supporting rod, a second supporting rod, a first fixing rod, a second fixing rod, a display screen, a storage battery, a micro control unit, an ultrasonic probe, an infrared transmitting tube and a micro camera;
the storage battery and the micro control unit are both arranged inside the detection board; the detection plate comprises a first side surface and a second side surface which are opposite; the ultrasonic probe, the infrared transmitting tube and the miniature camera are all arranged on the first side surface; the display screen is hinged to the second side surface; in normal use, the first side faces downward; the display screen, the ultrasonic probe, the infrared transmitting tube and the miniature camera are all in communication connection with the micro control unit; the display screen, the ultrasonic probe, the infrared transmitting tube, the miniature camera and the micro control unit are electrically connected with the storage battery;
the first support rod comprises a first sleeve rod, a second sleeve rod and a third sleeve rod; the first sleeve rod is nested in the second sleeve rod in a sliding mode; the second loop bar is nested in the third loop bar in a sliding mode; the third sleeve rod is fixedly connected with the first fixing rod; the second supporting rod comprises a fourth loop bar, a fifth loop bar and a sixth loop bar; the fourth loop bar is nested in the fifth loop bar in a sliding mode; the fifth loop bar is nested in the sixth loop bar in a sliding manner; the sixth loop bar is fixedly connected with the second fixed bar; the first loop bar and the fourth loop bar are both connected to the first side surface;
the protective belt is in a flat belt shape; the guard band comprises a first band and a second band; the head end of the first belt is connected with the head end of the second belt; the tail end of the first belt is provided with a first long hole; the tail end of the second belt is provided with a second long hole; the first long hole is perpendicular to the length direction of the first belt; the second long hole is perpendicular to the length direction of the second belt; the first fixing rod can be inserted into the first long hole; the second fixing rod can be inserted into the second long hole.
Preferably, the device further comprises a protective sleeve assembly; the protective sleeve component comprises a sleeve body, a first protrusion, a second protrusion, a third fixing rod and a fourth fixing rod;
the sleeve body is internally provided with a hemispherical concave part; the edge of the sleeve body is provided with the first protrusion and the second protrusion which are opposite to each other; the first protrusion is fixedly connected with the third fixing rod; the second protrusion is fixedly connected with the fourth fixing rod; the third fixing bar and the fourth fixing bar are parallel to each other; the third fixing rod can be inserted into the first long hole; the fourth fixing rod can be inserted into the second long hole.
Preferably, the first loop bar is connected with the first side surface in a ball pin connection mode; the fourth loop bar is connected with the first side face in a ball pin connection mode.
Preferably, the connection between the head end of the first belt and the head end of the second belt is a flexible connection.
Preferably, the detection board is provided with a charging interface; the charging interface is electrically connected with the storage battery.
Preferably, the micro control unit is a 51-chip microcomputer.
Preferably, the device further comprises a band-pass filter; the band-pass filter is sleeved on the miniature camera.
Preferably, the protective belt is provided with a plurality of air holes.
Preferably, the micro camera is arranged at the center of the first side surface; the ultrasonic probe is close to the micro camera.
Preferably, the number of the infrared emission tubes is multiple; the infrared transmitting tubes are annularly distributed on the first side face.
Compared with the prior art, the invention at least has the following beneficial effects:
the arteriovenous internal fistula protecting and monitoring device comprises a protective belt and a detection assembly, wherein when the arteriovenous internal fistula is evaluated, the protective belt is firstly sleeved on a limb (taking an arm as an example) where a blood fistula of a user is positioned, the arteriovenous internal fistula is arranged in a gap between the tail end of a first belt and the tail end of a second belt, namely the detection plate is positioned right above the arteriovenous internal fistula, namely an ultrasonic probe, an infrared transmitting tube and a miniature camera are aligned with the arteriovenous internal fistula, the ultrasonic probe is used for measuring the blood flow rate in the blood fistula in real time and displaying the blood flow rate data through a display screen, and the infrared transmitting tube, the miniature camera and the display screen are used for detecting the internal condition of the arteriovenous internal fistula in real time, imaging the internal part of the arteriovenous internal fistula and then displaying through the display screen; can be with the inside condition of arteriovenous internal fistula more audio-visual display in the display screen through determine module, help medical staff more accurate assess the arteriovenous internal fistula, significantly reduced because of only rely on the judgement deviation that subjective judgement caused, can promote follow-up puncture success rate.
The arteriovenous internal fistula protecting and monitoring device provided by the invention is simple in structure, convenient to operate and very practical.
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 description of the embodiments or 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 structures shown in the drawings without creative efforts.
Fig. 1 is a schematic perspective view of a protective belt according to an embodiment of an arteriovenous internal fistula protecting and monitoring device of the present invention;
fig. 2 is a schematic overall structural diagram (without a protective sleeve) of an embodiment of an arteriovenous internal fistula protecting and monitoring device of the present invention;
fig. 3 is a schematic side partial structure view (without a protective sleeve) of an arteriovenous internal fistula protecting and monitoring device according to an embodiment of the present invention;
fig. 4 is a bottom view (without the first support bar and the second support bar) of a detection plate of an embodiment of an arteriovenous fistula protecting and monitoring device of the present invention;
fig. 5 is a schematic overall structure diagram (without a detection component) of an embodiment of an arteriovenous internal fistula protecting and monitoring device of the invention;
fig. 6 is a bottom view of a protective cover of an embodiment of an arteriovenous internal fistula protecting and monitoring device of the present invention;
fig. 7 is a partial structural cross-sectional view of a protective band of an embodiment of an arteriovenous internal fistula protecting and monitoring device of the present invention.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
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.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides an arteriovenous internal fistula protecting and monitoring device.
Referring to fig. 1-7, an arteriovenous internal fistula protecting and monitoring device includes a protective band 100 and a detecting component; the detecting assembly includes a detecting plate 210, a first supporting rod, a second supporting rod, a first fixing rod 260, a second fixing rod 280, a display screen 220, a storage battery (not shown), a micro control unit (not shown), an ultrasonic probe 240, an infrared ray transmitting tube 250, and a micro camera 230.
As shown in fig. 4, the storage battery and the micro control unit are both disposed inside the detection board 210; pickup plate 210 includes opposing first and second side surfaces 211 and 212; the ultrasonic probe 240, the infrared transmitting tube 250 and the micro camera 230 are all arranged on the first side surface 211; display screen 220 is hinged to second side 212; in normal use, the first side 211 is facing downward (i.e., directed toward an arteriovenous internal fistula); the display screen 220, the ultrasonic probe 240, the infrared transmitting tube 250 and the micro camera 230 are all in communication connection with the micro control unit; the display screen 220, the ultrasonic probe 240, the infrared transmitting tube 250, the micro camera 230 and the micro control unit are electrically connected with a storage battery, and the storage battery is used for supplying power.
The ultrasonic probe 240 is used for measuring the blood flow rate in the blood fistula in real time and displaying the blood flow rate data through the display screen 220; infrared transmitting tube, miniature camera 230 and display screen 220 are used for the inside condition of real-time detection arteriovenous internal fistula and show the inside formation of image of arteriovenous internal fistula then through display screen 220, and this is prior art, and no longer repeated here.
As shown in fig. 2 and 3, the first support bar includes a first bar 251, a second bar 252, and a third bar 253; the first loop bar 251 is slidably nested in the second loop bar 252; the second loop bar 252 is slidably nested within the third loop bar 253; the third sleeve rod 253 is fixedly connected with a first fixing rod 260; the second support bar includes a fourth bar 271, a fifth bar 272, and a sixth bar 273; the fourth stem 271 is slidably nested within the fifth stem 272; the fifth lever 272 is slidably nested within the sixth lever 273; the sixth loop bar 273 is fixedly connected with a second fixed bar 280; the first and fourth sleeves 251, 271 are each connected to the first side 211. The first sleeve rod 251 and the second sleeve rod 252 are respectively connected to two side edges of the first side surface 211; through above-mentioned technical scheme for first bracing piece and second bracing piece homoenergetic are flexible, with the distance between regulation pick-up plate 210 and the guard band 100, with the size difference that is fit for different users (different users' arteriovenous internal fistula).
As shown in fig. 1, the protective belt 100 is a flat belt, wherein the protective belt 100 is an elastic protective belt 100 made of a silicone material, so that the protective belt is more flexible and comfortable to wear; the guard band 100 includes a first band 110 and a second band 120; the first tape head end 113 and the second tape head end 123 are connected; the end 111 of the first strap is provided with a first elongated hole 112; the end 121 of the second strap is provided with a second elongated hole 122; the first long hole 112 is perpendicular to the length direction of the first strap 110; the second long hole 122 is perpendicular to the length direction of the second strap 120; the first fixing lever 260 can be inserted into the first long hole 112, and when the first fixing lever 260 is inserted into the first long hole 112, the second fixing lever 280 can be inserted into the second long hole 122; through the technical scheme, the detection plate 210 is fixed relative to the guard band 100.
When evaluating the arteriovenous internal fistula, firstly sleeving the protective belt 100 on a limb part (taking an arm as an example) where the blood fistula of a user is positioned, placing the arteriovenous internal fistula in a gap between the tail end 111 of a first belt and the tail end 121 of a second belt, namely, the detection plate 210 is positioned right above the arteriovenous internal fistula, namely, the ultrasonic probe 240, the infrared transmitting tube and the miniature camera 230 are aligned with the arteriovenous internal fistula, the ultrasonic probe 240 is used for measuring the blood flow rate in the blood fistula in real time and displaying the blood flow rate data through the display screen 220, and the infrared transmitting tube, the miniature camera 230 and the display screen 220 are used for detecting the internal condition of the arteriovenous internal fistula in real time, imaging the interior of the arteriovenous internal fistula and displaying through the display screen 220; can be with the inside condition of arteriovenous internal fistula more audio-visual display in display screen 220 through above-mentioned determine module, help medical staff more accurate assess the arteriovenous internal fistula, greatly reduced because of only rely on the judgement deviation that subjective judgement caused to promote follow-up puncture success rate.
The arteriovenous internal fistula protecting and monitoring device provided by the invention is simple in structure, convenient to operate and very practical.
In addition, in daily life, the arteriovenous internal fistula of a patient is also directly exposed outside, no protective measures are taken, and the risk of external damage exists. In view of the above, as shown in fig. 5 and fig. 6, the arteriovenous internal fistula protecting and monitoring device provided by the invention further comprises a protective sleeve component; the shield assembly includes a housing 310, a first protrusion 320, a second protrusion 330, a third fixing rod 350 and a fourth fixing rod 360.
The sleeve body 310 is made of silica gel, a hemispherical indent 340 is arranged inside the sleeve body 310, and the hemispherical indent 340 is used for wrapping and sleeving the exterior of the arteriovenous internal fistula so as to protect the arteriovenous internal fistula of a user and prevent the arteriovenous internal fistula from being damaged by the exterior in daily life; the edge of the sheath body 310 is provided with a first protrusion 320 and a second protrusion 330 opposite to each other; the first protrusion 320 is fixedly connected with a third fixing rod 350; the second protrusion 330 is fixedly connected with a fourth fixing rod 360; the third fixing bar 350 and the fourth fixing bar 360 are parallel to each other; the third fixing rod 350 can be inserted into the first long hole 112; and when the third fixing lever 350 is inserted into the first long hole 112, the fourth fixing lever 360 can be inserted into the second long hole 122. During daily life, take off detection component, with the lag through third dead lever 350 and fourth dead lever 360 in order to be fixed in protective belt 100 with the cover body 310, again with the cover body parcel arteriovenous internal fistula to reach the guard action to arteriovenous internal fistula.
Meanwhile, as shown in fig. 3, the first link 251 and the first side surface 211 are connected by a ball pin; the fourth stem 271 is connected to the first side 211 by a ball and pin connection. Come first bracing piece and second bracing piece to be connected in first side 211 through ball pin joint's mode for guard band 100 relatively of pick-up plate 210 carries out angular adjustment, evaluates to arteriovenous internal fistula in the reality and detects time measuring, can adjust pick-up plate 210 for just to arteriovenous internal fistula, makes the detection data to arteriovenous internal fistula more accurate.
Furthermore, the connection between the head end 113 of the first belt and the head end 123 of the second belt is an active connection. The specific connection structure here refers to fig. 7:
the arteriovenous fistula protecting and monitoring device further comprises a moving plate 710, a rack 720, a spring 730, a first link 740, a second link 750 and a third link 760.
The head end 113 of the first belt is provided with an embedded groove 510; the insertion groove 510 includes a first inner wall 511; the first inner wall 511 is provided with a tooth socket 512; the head end 123 of the second strap is provided with an embedded block 610; the insert block 610 can be inserted into the insert groove 510; the embedded block 610 is provided with a convex groove 620 and a first through hole 630; the convex groove 620 is internally provided with a moving plate 710, and the size of the moving plate 710 is larger than the size of the notch of the convex groove 620 so as to prevent the moving plate 710 from falling off from the convex groove 620; a rack 720 is arranged on one side of the moving plate 710 far away from the groove bottom of the convex groove 620, wherein the rack 720 can be matched and nested with the tooth groove 512; the rack 720 can extend out of the notch of the convex groove 620; a spring 730 is arranged between the moving plate 710 and the groove bottom of the convex groove 620; the spring 730 is compressed such that the rack 720 protrudes out of the protrusion groove 620.
The second belt 120 is further provided with a first rectangular space 640 spanning the embedded block 610 and the head end of the second belt 120; the head end 123 of the second belt is further provided with a second rectangular space 650 and a second through hole 660; the second rectangular space 650 is perpendicular to the first rectangular space 640, and the second rectangular space 650 is located on a side of the first rectangular space 640 away from the embedded block 610; the first through hole 630 is communicated with the convex groove 620 and the first rectangular space 640; the second through hole 660 communicates with the second rectangular space 650 and the outside; the first through hole 630 is perpendicular to the moving plate 710; a first connecting rod 740 is movably embedded in the first through hole 630; one end of the first link 740 is fixedly connected to the moving plate 710; the other end of the first link 740 is hinged to one end of the second link 750; the other end of the second link 750 is hinged to one end of the third link 760; the third connecting rod 760 is movably embedded in the second through hole 660; the other end of the third link 760 extends out of the head end 123 of the second strap, and the other end of the third link 760 is further provided with a pressing cap 770; the middle part of the second link 750 is hinged to the first rectangular space 640; the first link 740 and the third link 760 are perpendicular to the second link 750, and the first link 740, the second link 750 and the third link 760 are in a "Z" shape. The head end 123 of the second strap is further provided with a corrugated sleeve 400, and the corrugated sleeve 400 is used for covering the embedded block 610 to prevent the rack 720 from being exposed to scratch a user.
By the technical scheme, the head end 113 of the first belt and the head end 123 of the second belt are movably connected, and the length of the whole protection belt 100 can be adjusted; the specific adjusting mode is as follows: pressing the pressing cap 770 to move the third link 760 towards the second link 750, so as to drive the second link 750 to rotate, thereby driving the first link 740 to move towards a direction away from the moving plate 710, thereby driving the moving plate 710 to move towards the bottom of the convex groove 620, thereby driving the rack 720 to move towards the inside of the convex groove 620, so that the rack 720 is separated from the tooth slot 512, then moving the embedded block 610 in the embedded groove 510 to adjust the length of the whole protective belt 100, and then loosening the pressing cap 770 after adjusting the length, under the action of the spring 730, the moving plate 710 moves towards the bottom of the groove away from the convex groove 620, thereby driving the rack 720 to extend out of the convex groove 620 and be embedded into the tooth slot 512 again, so that the second belt 120 and the first belt 110 are fixed again. Through the technical scheme, the length of the protective belt 100 can be adjusted, so that the protective belt can adapt to the limb sizes of different users, and the practicability is improved.
In addition, the detection board 210 is opened with a charging interface (not shown); the charging interface is electrically connected with the storage battery so as to perfect the charging function of the storage battery. The micro control unit is a 51-chip microcomputer, and the 51-chip microcomputer is low in price, stable in performance, low in power consumption and sufficient in function. Meanwhile, the arteriovenous internal fistula protecting and monitoring device provided by the invention also comprises a band-pass filter (not shown); the band pass filter is sleeved on the micro camera 230. The band-pass filter can filter the non-infrared part in the external light, reduces external interference to make the internal image of arteriovenous fistula that miniature camera 230 was shot more accurate.
In addition, the protective belt 100 is provided with a plurality of ventilation holes (not shown), which has a ventilation function, so as to increase the wearing comfort of the protective belt 100. As shown in fig. 3 and 4, the micro camera 230 is disposed at the center of the first side surface 211, and the shooting position is better; the ultrasonic probe 240 is arranged close to the micro camera 230 and is positioned close to the center of the first side surface 211, so that the ultrasonic probe 240 can be used for detecting the arteriovenous internal fistula more conveniently. The number of the infrared ray emitting tubes 250 is plural (8 is preferable in the present embodiment); a plurality of infrared emission pipes 250 are ring distribution in first side 211, and a plurality of infrared emission pipes 250 can launch stronger infrared light irradiation in arteriovenous internal fistula for the internal image of arteriovenous internal fistula that miniature camera 230 was shot is more clear accurate.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An arteriovenous internal fistula protecting and monitoring device is characterized by comprising a protective belt and a detection assembly; the detection assembly comprises a detection plate, a first supporting rod, a second supporting rod, a first fixing rod, a second fixing rod, a display screen, a storage battery, a micro control unit, an ultrasonic probe, an infrared transmitting tube and a micro camera;
the storage battery and the micro control unit are both arranged inside the detection board; the detection plate comprises a first side surface and a second side surface which are opposite; the ultrasonic probe, the infrared transmitting tube and the miniature camera are all arranged on the first side surface; the display screen is hinged to the second side surface; in normal use, the first side faces downward; the display screen, the ultrasonic probe, the infrared transmitting tube and the miniature camera are all in communication connection with the micro control unit; the display screen, the ultrasonic probe, the infrared transmitting tube, the miniature camera and the micro control unit are electrically connected with the storage battery;
the first support rod comprises a first sleeve rod, a second sleeve rod and a third sleeve rod; the first sleeve rod is nested in the second sleeve rod in a sliding mode; the second loop bar is nested in the third loop bar in a sliding mode; the third sleeve rod is fixedly connected with the first fixing rod; the second supporting rod comprises a fourth loop bar, a fifth loop bar and a sixth loop bar; the fourth loop bar is nested in the fifth loop bar in a sliding mode; the fifth loop bar is nested in the sixth loop bar in a sliding manner; the sixth loop bar is fixedly connected with the second fixed bar; the first loop bar and the fourth loop bar are both connected to the first side surface;
the protective belt is in a flat belt shape; the guard band comprises a first band and a second band; the head end of the first belt is connected with the head end of the second belt; the tail end of the first belt is provided with a first long hole; the tail end of the second belt is provided with a second long hole; the first long hole is perpendicular to the length direction of the first belt; the second long hole is perpendicular to the length direction of the second belt; the first fixing rod can be inserted into the first long hole; the second fixing rod can be inserted into the second long hole.
2. The arteriovenous internal fistula protecting and monitoring device of claim 1 further comprising a protective sleeve assembly; the protective sleeve component comprises a sleeve body, a first protrusion, a second protrusion, a third fixing rod and a fourth fixing rod;
the sleeve body is internally provided with a hemispherical concave part; the edge of the sleeve body is provided with the first protrusion and the second protrusion which are opposite to each other; the first protrusion is fixedly connected with the third fixing rod; the second protrusion is fixedly connected with the fourth fixing rod; the third fixing bar and the fourth fixing bar are parallel to each other; the third fixing rod can be inserted into the first long hole; the fourth fixing rod can be inserted into the second long hole.
3. The arteriovenous internal fistula protecting and monitoring device of claim 1 wherein the connection between the first loop bar and the first side is a ball and pin connection; the fourth loop bar is connected with the first side face in a ball pin connection mode.
4. The arteriovenous internal fistula protecting and monitoring device of claim 1 wherein the connection between the head end of the first band and the head end of the second band is a living connection.
5. The arteriovenous internal fistula protecting and monitoring device according to claim 1, wherein the detection plate is provided with a charging interface; the charging interface is electrically connected with the storage battery.
6. The arteriovenous internal fistula protecting and monitoring device of claim 1 wherein the micro-control unit is a 51-chip microcomputer.
7. The arteriovenous internal fistula protecting and monitoring device of claim 1 further comprising a band-pass filter; the band-pass filter is sleeved on the miniature camera.
8. The arteriovenous internal fistula protecting and monitoring device of claim 1 wherein the protective band is formed with a plurality of vent holes.
9. The arteriovenous internal fistula protecting and monitoring device according to claim 1, wherein the miniature camera is arranged at the center of the first side face; the ultrasonic probe is close to the micro camera.
10. The arteriovenous internal fistula protecting and monitoring device of claim 1 wherein the number of said infrared emitting tubes is plural; the infrared transmitting tubes are annularly distributed on the first side face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010274936.9A CN111449626A (en) | 2020-04-09 | 2020-04-09 | Protecting and monitoring device for internal arteriovenous fistula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010274936.9A CN111449626A (en) | 2020-04-09 | 2020-04-09 | Protecting and monitoring device for internal arteriovenous fistula |
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| Publication Number | Publication Date |
|---|---|
| CN111449626A true CN111449626A (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010274936.9A Pending CN111449626A (en) | 2020-04-09 | 2020-04-09 | Protecting and monitoring device for internal arteriovenous fistula |
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| CN208851732U (en) * | 2018-06-29 | 2019-05-14 | 重庆市中医院 | A kind of internal arteriovenous fistula protective device |
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Application publication date: 20200728 |