CN112617790A - Novel noninvasive fractional flow reserve measurement device and measurement method - Google Patents
Novel noninvasive fractional flow reserve measurement device and measurement method Download PDFInfo
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- 238000000691 measurement method Methods 0.000 title description 10
- 238000000034 method Methods 0.000 claims abstract description 13
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- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 14
- 239000011780 sodium chloride Substances 0.000 claims description 13
- 230000000903 blocking effect Effects 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 12
- 230000017531 blood circulation Effects 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 6
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- 238000002601 radiography Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
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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
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/026—Measuring blood flow
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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
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/02141—Details of apparatus construction, e.g. pump units or housings therefor, cuff pressurising systems, arrangements of fluid conduits or circuits
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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
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/0215—Measuring pressure in heart or blood vessels by means inserted into the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/026—Measuring blood flow
- A61B5/029—Measuring or recording blood output from the heart, e.g. minute volume
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Abstract
The application discloses novel noninvasive fractional flow reserve measuring device and measuring method, include: the device comprises a mounting block, a connecting block, a bearing, a first-class supporting column, a second-class supporting column, a collector and a mounting assembly, wherein a clamping groove is formed in the top end of the mounting block, a top hole is formed in the top end of the connecting block, and the connecting block is connected with the mounting block in a clamping mode; the connecting block is internally provided with a mounting cavity, a movable plate is arranged in the mounting cavity, and the outer end of the movable plate is provided with a first type thread groove. The mounting block can be mounted on the surface of a guardrail through the sliding hole in the side face of the mounting block, the connecting block is clamped at the top end of the mounting block at the moment, the clamping groove and the top hole can be clamped with each other, then the screw rod is screwed, the screw rod is screwed with the first type thread groove and connected with each other, the screw rod can drive the movable plate to move towards the outer end along the mounting cavity at the moment, until the movable plate is contacted with the side face of the mounting block, the outer end of the movable plate and the tooth trace groove in the side face of the mounting block can be clamped with each other, and.
Description
Technical Field
The application relates to a fractional flow reserve measuring device, in particular to a novel noninvasive fractional flow reserve measuring device and a measuring method.
Background
The reserve fraction of blood flow refers to the ratio of the maximum blood flow obtained in the myocardial region of the blood vessel in the presence of a stenosis in a coronary artery to the maximum blood flow obtained in the same region under theoretically normal conditions, i.e., the ratio of the mean pressure in the stenotic distal coronary artery to the mean pressure in the aorta at the mouth of the coronary artery in the maximum hyperemia state of the myocardium.
Currently 0.80 is the proposed reference standard for FFR assessment of myocardial ischemia, lesions with FFR <0.75 are amenable to revascularization, and lesions with FFR >0.80 are indicative of drug treatment; FFR 0.75-0.80 is a grey zone, and an operator can synthesize the clinical condition of a patient and the importance of blood supply of blood vessels and decide whether to carry out revascularization; the theoretical normal value of the FFR is '1', if the FFR is less than 0.75, the pathological changes can induce myocardial ischemia, and more than 90 percent of the FFR is more than 0.8, the pathological changes can not induce myocardial ischemia; the height of the receptors in vitro is noted, the receptors are generally placed at the level of the axillary midline, no air bubbles exist in the receptors, and the receptors are fixed and do not move; the FFR value must be determined until the maximum hyperemia state is reached, otherwise the FFR value is overestimated.
Traditional flow reserve fraction measuring device simple structure, its built-in pressure sensor is fixed knot structure usually, is not convenient for dismantle the maintenance or change pressure sensor after damaging, has increased the maintenance degree of difficulty, and flow reserve fraction measuring device is not convenient for adjust the use simultaneously, and is comparatively troublesome during the operation.
Disclosure of Invention
In order to solve the shortcomings of the prior art, the application provides a novel noninvasive fractional flow reserve measuring device, which comprises: the device comprises a mounting block, a connecting block, a bearing, a first type of supporting column, a second type of supporting column, a collector and a mounting assembly; the side surface of the mounting block is provided with a sliding hole, the top end of the mounting block is provided with a clamping groove, the top end of the connecting block is provided with a top hole, and the connecting block is connected with the mounting block in a clamping manner; an installation cavity is formed in the connection block, a movable plate is arranged in the installation cavity, and a first-class thread groove is formed in the outer end of the movable plate; a screw rod is arranged on the outer side of the connecting block and is rotationally connected with the connecting block through the bearing, the tail end of the screw rod penetrates into the installation cavity, and the tail end of the screw rod is in threaded connection with the first thread groove; tooth trace grooves are formed in the outer side of the mounting block and the outer end of the movable plate, and the adjacent tooth trace grooves are connected in a clamping mode; the first-class supporting column is positioned at the top end of the connecting block, the bottom end of the first supporting column is fixedly connected with the top end of the connecting block, the second-class supporting column is positioned at the top end of the first-class supporting column, the top end of the first-class supporting column is fixedly connected with a connecting column, the bottom end of the second-class supporting column is provided with a first-class movable cavity, and the top end of the connecting column is sleeved inside the first-class movable cavity; a first-class spring is arranged in the first-class movable cavity and sleeved on the surface of the connecting column, a positioning groove is formed in the top end of the first-class supporting column, a positioning lug is fixedly connected to the bottom end of the second-class supporting column, and the positioning lug is connected with the positioning groove in a clamping manner; the mounting assembly includes: the device comprises a fixed plate, a sensor, a circular plate, a sealing gasket, a guide rod and a second spring; the fixed plate is fixedly connected with the outer side face of the collector, a threaded hole is formed in the outer side of the fixed plate, a second-type movable cavity is formed in the collector, the threaded hole is communicated with the second-type movable cavity, and the sensor is screwed with the threaded hole; the circular plate is positioned in the second type movable cavity, a through hole is formed in the side face of the circular plate, a sliding block is fixedly connected to the side face of the circular plate, a sliding groove is formed in the inner side wall of the second type movable cavity, and the sliding block is clamped in the sliding groove; the guide rod is fixedly connected to one side of the circular plate, the second-class spring is sleeved on the surface of the guide rod, the inner side wall of the second-class movable cavity is fixedly connected with the blocking block and the sealing gasket respectively, and the blocking block penetrates through the sealing gasket.
Further, the movable plate is of a convex structure, the movable plate is connected with the connecting block in a sliding mode, and the movable plate is connected with the mounting block in a clamping mode.
Furthermore, the first type of support column and the second type of support column are both columnar structures, the first type of support column is rotatably connected with the second type of support column, the positioning grooves are annularly distributed at the top end of the first type of support column, the positioning bumps are annularly distributed at the bottom end of the second type of support column, and the number of the positioning bumps is the same as that of the positioning grooves.
Furthermore, the connecting column is of a T-shaped structure, and the top end of the connecting column is matched with the size of the first movable cavity.
Furthermore, collector and display are arranged on one side of the second type of support column, the collector is located at the bottom end of the display, the collector and the display are fixedly connected with one side of the second type of support column, and the display is electrically connected with the collector.
Further, the inboard side rigid coupling of collector has first type connector, collector outside side rigid coupling has second type connector, just first type connector second type connector all with second type activity intracavity portion intercommunication.
Further, the circular plate is connected with the second movable cavity in a sliding mode, the outer end of the blocking block is of a hemispherical structure, and the blocking block is matched with the through hole in size.
Furthermore, the number of the through holes and the number of the blocking blocks are four, the through holes are annularly distributed on the side face of the circular plate, and the blocking blocks are annularly distributed on the inner side wall of the second type movable cavity.
Furthermore, a hanging rod is arranged at the top end of the second type supporting column, a second type thread groove is formed in the top end of the second type supporting column, the bottom end of the hanging rod is screwed with the second type thread groove, a saline bag is arranged at the outer end of the hanging rod and is hung on the hanging rod, and the saline bag is communicated with the first type connector through a dropping liquid pipe.
Further, the measuring method comprises the following steps:
the collector collects blood pressure data and analyzes the blood pressure data to generate blood pressure analysis data;
the receiver can be in wireless communication with the collector;
the collector is provided with a UWB tag device, and the receiver obtains the position of the collector through UWB positioning;
and the processing terminal receives the blood pressure analysis data and generates a blood flow reserve fraction according to the blood pressure analysis data and pre-stored CT radiography image data.
The application has the advantages that: the utility model provides a dismouting is simple and can adjust operating angle be applicable to novel noninvasive blood flow reserve fraction measuring device.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:
fig. 1 is a schematic overall structure diagram of an embodiment of the novel noninvasive fractional flow reserve measurement device and measurement method of the present application;
fig. 2 is a connection diagram of a mounting block and a connecting block of the novel noninvasive fractional flow reserve measuring device and the measuring method of the embodiment shown in fig. 1;
fig. 3 is a schematic view of the novel noninvasive fractional flow reserve measurement apparatus and measurement method mounting block structure according to another embodiment shown in fig. 2;
fig. 4 is a schematic structural diagram of a movable plate of the novel noninvasive fractional flow reserve measurement device and the measurement method according to the embodiment shown in fig. 1;
fig. 5 is a connection diagram of a first type of support column and a second type of support column of the novel noninvasive fractional flow reserve measurement device and measurement method according to another embodiment shown in fig. 4;
fig. 6 is a schematic diagram of a second type of support column structure of the novel noninvasive fractional flow reserve measurement device and measurement method according to another embodiment shown in fig. 4;
fig. 7 is a schematic structural view of a novel noninvasive fractional flow reserve measurement device and measurement method installation assembly according to the embodiment shown in fig. 1;
fig. 8 is a schematic diagram of a circular plate structure of the novel noninvasive fractional flow reserve measurement device and measurement method according to another embodiment shown in fig. 7;
fig. 9 is a connection diagram of a hanging rod and a second type of supporting column of the novel noninvasive fractional flow reserve measuring device and the measuring method of the embodiment shown in fig. 1;
fig. 10 is a flow chart of a novel non-invasive fractional flow reserve measurement apparatus and measurement method according to the embodiment shown in fig. 1.
The meaning of the reference symbols in the figures:
the novel noninvasive fractional flow reserve measurement device 100 comprises a mounting block 101, a sliding hole 1011, a clamping groove 1012, a connecting block 102, a top hole 1021, a mounting cavity 1022, a screw 103, a bearing 104, a movable plate 105, a first thread groove 1051, a tooth trace groove 106, a first support column 107, a positioning groove 1071, a second support column 108, a positioning bump 1081, a second thread groove 1082, a connecting column 109, a first movable cavity 110, a first spring 111, a collector 112, a mounting component 113, a fixing plate 1131, a threaded hole 11311, a sensor 1132, a second movable cavity 1133, a sliding groove 11331, a blocking block 1134, a circular plate 1135, a through hole 11351, a sliding block 11352, a sealing gasket 1136, a guide rod 1137, a second spring 1138, a first connector 114, a second connector 115, a drip tube 116, a saline bag 117, a display 118 and a hanging rod 119.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1 to 10, a novel noninvasive fractional flow reserve measurement apparatus includes: mounting block 101, connecting block 102, bearing 104, first type support column 107, second type support column 108, collector 112, and mounting assembly 113.
The top structure of the collector can be mounted through the mounting block 101, the connecting block 102, the first supporting column 107 and the second supporting column 108, meanwhile, the first supporting column 107 and the second supporting column 108 are rotatably connected, and when the second supporting column 108 is rotated, the orientation of the collector 112, the display 118 and the hanging rod 119 can be adjusted, so that the collector can be adjusted as required.
The collector 112 is composed of an analog-to-digital conversion module, an information analysis module and a wireless transmission module, the analog-to-digital conversion module can convert the pressure applied to the sensor 1132 into data, the information analysis module can analyze the blood pressure data and generate blood pressure analysis data, and the wireless transmission module can transmit the data information to external equipment; collector 12 has a UWB tag device, and the receiver can obtain the position of collector 12 by UWB positioning; the processing terminal comprises a calculating module and a display module, and can receive blood pressure analysis data and generate a blood flow reserve fraction according to the blood pressure analysis data and pre-stored CT radiography image data.
As shown in fig. 2, a sliding hole 1011 is formed in the side surface of the mounting block 101, a clamping groove 1012 is formed in the top end of the mounting block 101, a top hole 1021 is formed in the top end of the connecting block 102, and the connecting block 102 is connected with the mounting block 101 in a clamping manner; a mounting cavity 1022 is formed in the connecting block 102, a movable plate 105 is arranged in the mounting cavity 1022, and a first type thread groove 1051 is formed at the outer end of the movable plate 105; a screw 103 is arranged on the outer side of the connecting block 102, the screw 103 is rotatably connected with the connecting block 102 through a bearing 104, the tail end of the screw 103 penetrates into the installation cavity 1022, and the tail end of the screw 103 is in threaded connection with the first thread groove 1051; the outer side of the mounting block 101 and the outer end of the movable plate 105 are both provided with tooth trace grooves 106, and the adjacent tooth trace grooves 106 are connected in a clamping manner.
The installation block 101 can be installed on the surface of a guardrail through the sliding hole 1011 on the side surface of the installation block 101, at the moment, the connection block 102 is clamped at the top end of the installation block 101, the clamping groove 1012 and the top hole 1021 can be clamped with each other, and then the screw 103 is screwed, because the screw 103 is in threaded connection with the first type thread groove 1051, the screw 103 can drive the movable plate 105 to move towards the outer end along the installation cavity 1022 at the moment, until the movable plate 105 is contacted with the side surface of the installation block 101, the outer end of the movable plate 105 and the tooth mark groove 106 on the side surface of the installation block 101 can be clamped with each other, so that the connection block 102 and the installation block 101.
As a supplementary solution, the screw 103 is turned reversely to drive the movable plate 105 to retract towards the inside of the mounting cavity 1022 until the outer end of the movable plate 105 is separated from the side of the mounting block 101, at this time, the connecting block 102 can be detached from the mounting block 101, and the operation is simple.
The movable plate 105 is a convex structure, the movable plate 105 is slidably connected to the connecting block 102, and the movable plate 105 is engaged with the mounting block 101.
The movable plate 105 of the convex structure can enhance the stability between the movable plate 105 and the installation cavity 1022, and the connecting block 102 can be fixed or detached with the installation block 101 by adjusting the position of the movable plate 105 inside the installation cavity 1022.
As shown in fig. 5, the first-type supporting column 107 is located at the top end of the connecting block 102, the bottom end of the first supporting column is fixedly connected to the top end of the connecting block 102, the second-type supporting column 108 is located at the top end of the first-type supporting column 107, the top end of the first-type supporting column 107 is fixedly connected to the connecting column 109, the bottom end of the second-type supporting column 108 is provided with the first-type movable cavity 110, and the top end of the connecting column 109 is sleeved inside the first; the first type of springs 111 are arranged inside the first type of movable cavity 110, the first type of springs 111 are sleeved on the surface of the connecting column 109, the positioning groove 1071 is formed in the top end of the first type of supporting column 107, the positioning bump 1081 is fixedly connected to the bottom end of the second type of supporting column 108, and the positioning bump 1081 is connected with the positioning groove 1071 in a clamping manner.
The positioning bump 1081 and the positioning groove 1071 can be dislocated by rotating the second type supporting column 108, and the second type supporting column 108 and the first type supporting column 107 can slide relatively while the top end of the connecting column 109 and the first type movable cavity 110 rotate, so that the first type spring 111 can be compressed; the orientation of the collector 112, saline bag 117 and display 118 may be adjusted at this time for ease of adjustment as desired.
The first-type supporting columns 107 and the second-type supporting columns 108 are both of a columnar structure, the first-type supporting columns 107 and the second-type supporting columns 108 are rotatably connected, the positioning grooves 1071 are annularly distributed at the top ends of the first-type supporting columns 107, the positioning bumps 1081 are annularly distributed at the bottom ends of the second-type supporting columns 108, and the number of the positioning bumps 1081 is the same as that of the positioning grooves 1071.
The first-type supporting columns 107 and the second-type supporting columns 108 can be limited under the matching of the positioning bumps 1081 and the positioning grooves 1071, and the angles of the second-type supporting columns 108 can be fixedly adjusted by setting the numbers of the positioning bumps 1081 and the positioning grooves 1071, so that the use of an operator is facilitated.
The connecting column 109 is a T-shaped structure, and the top end of the connecting column 109 matches with the size of the first movable cavity 110.
The connecting column 109 with the T-shaped structure can enhance the stability between the connecting column 109 and the first movable cavity 110, meanwhile, the first spring 111 on the surface of the connecting column 109 can be compressed when the connecting column 109 slides, meanwhile, the second supporting column 108 can be assisted under the reaction of the first spring 111, and then the positioning bump 1081 can be clamped inside the positioning groove 1071, so that the first supporting column 107 and the second supporting column 108 can be positioned.
As shown in fig. 7, the mounting assembly 113 includes: a fixing plate 1131, a sensor 1132, a circular plate 1135, a sealing gasket 1136, a guide rod 1137 and a second type spring 1138; the fixing plate 1131 is fixedly connected with the outer side surface of the collector 112, a threaded hole 11311 is formed in the outer side of the fixing plate 1131, a second-type movable cavity 1133 is formed in the collector 112, the threaded hole 11311 is communicated with the second-type movable cavity 1133, and the sensor 1132 is screwed with the threaded hole 11311; the circular plate 1135 is located inside the second-type movable cavity 1133, a through hole 11351 is formed in the side surface of the circular plate 1135, a slider 11352 is fixedly connected to the side surface of the circular plate 1135, a sliding groove 11331 is formed in the inner side wall of the second-type movable cavity 1133, and the slider 11352 is clamped inside the sliding groove 11331; a guide rod 1137 is fixedly connected to one side of the circular plate 1135, a second type spring 1138 is sleeved on the surface of the guide rod 1137, a blocking block 1134 and a sealing gasket 1136 are respectively fixedly connected to the inner side wall of the second type movable cavity 1133, and the blocking block 1134 penetrates through the sealing gasket 1136.
Specifically, the sensor 1132 may be directly screwed and tightened with the threaded hole 11311, at this time, the outer end of the sensor 1132 slides the circular plate 1135 along the sliding groove 11331, at this time, the second type spring 1138 on the surface of the guide bar 1137 is compressed, and at the same time, the through hole 11351 on the side surface of the circular plate 1135 is separated from the block 1134, so that the first type connector 114, the second type connector 115 and the sensor 1132 may be communicated, and the pressure of the physiological saline inside the second type activity cavity 1133 may be detected by the sensor 1132, so as to determine the blood pressure data of the patient to be detected.
Preferably, the sensor 1132 and the collector 112 are detachably mounted, the sensor 1132 can be detached by directly rotating the sensor, at this time, under the reaction of the second spring 1138, the circular plate 1135 can reset along the sliding groove 11331, so as to clamp the blocking piece 1134 in the through hole 11351, at this time, the sealing performance between the circular plate 1135 and the threaded hole 11311 can be enhanced under the action of the sealing gasket 1136, and the phenomenon of leakage of physiological saline after the sensor 1132 is detached is avoided.
Wherein, the circular plate 1135 is connected with the second type movable cavity 1133 in a sliding manner, the outer end of the block 1134 is of a hemispherical structure, and the size of the block 1134 is matched with that of the through hole 11351; the number of the through holes 11351 and the number of the blocks 1134 are four, the four through holes 11351 are annularly distributed on the side surface of the circular plate 1135, and the four blocks 1134 are annularly distributed on the inner side wall of the second-type movable cavity 1133.
The through holes 11351 allow communication between the two sides of the disk 1135, and the engagement between the plugs 1134 and the through holes 11351 allows the two sides of the disk 1135 to be combined and serve as a partition.
As shown in fig. 1, one side of the second type supporting column 108 is provided with a collector 112 and a display 118, the collector 112 is located at the bottom end of the display 118, the collector 112 and the display 118 are both fixedly connected to one side of the second type supporting column 108, and the display 118 is electrically connected to the collector 112.
The collector 112 is connected to the sensor 1132, the collector 112 may collect blood pressure data, analyze the blood pressure data to generate blood pressure analysis data, the collector 112 and the receiver form a wireless communication, transmit the blood pressure analysis data to the processing terminal in a wireless communication manner, the processing terminal is the display 118, the display 118 receives the blood pressure analysis data, and generates a blood flow reserve score according to the blood pressure analysis data and pre-stored CT contrast image data.
Wherein, the inner side of the collector 112 is fixedly connected with a first type connector 114, the outer side of the collector 112 is fixedly connected with a second type connector 115, and the first type connector 114 and the second type connector 115 are both communicated with the inside of the second type movable cavity 1133.
The physiological saline in the saline bag 117 can be transported to the inside of the second-type active cavity 1133 through the first-type connector 114, the second-type connector 115 can be externally connected with a catheter, and the other end of the catheter is implanted into the aorta vessel of the detected part in a puncturing manner, so as to detect the blood pressure.
As shown in fig. 9, a hanging rod 119 is disposed at the top end of the second type supporting column 108, a second type threaded groove 1082 is formed at the top end of the second type supporting column 108, the bottom end of the hanging rod 119 is screwed with the second type threaded groove 1082, a saline bag 117 is disposed at the outer end of the hanging rod 119, the saline bag 117 is hung on the hanging rod 119, and the saline bag 117 is communicated with the first type connector 114 through a dropping tube 116.
The saline bag 117 can be directly hooked on the outer end of the hanging rod 119, and then the physiological saline inside the saline bag 117 can be delivered to the inside of the second type movable cavity 1133 through the first type connector 114 through the dropping tube 116; meanwhile, the bottom end of the hanging rod 119 is in threaded connection with the second type thread groove 1082, and the hanging rod 119 is easy to mount and dismount.
Specifically, one end of the catheter is fixed to the second type connector 115, the other end of the catheter is communicated with the aorta of the patient to be tested, the sensor 1132 is communicated with the physiological saline inside the second type active cavity 1133, the pressure in the blood vessel to be tested is transmitted to the sensor 1132 through the physiological saline due to pressure conductivity of the liquid, and the blood pressure data of the patient to be tested is determined according to the pressure data of the physiological saline; the collector 112 is connected to the sensor 1132, collects blood pressure data, analyzes the blood pressure data to generate blood pressure analysis data, and sends the blood pressure analysis data to the display 118 in a wireless communication manner, and the display 118 can receive the blood pressure analysis data and generate a blood flow reserve fraction according to the blood pressure analysis data and pre-stored CT contrast image data; sensor 1132 has adopted detachable construction, after sensor 1132 dismantles, can reset the plectane 1135 under the reaction of second class spring 1138, until with through-hole 11351 card in sprue 1134 surface, sealed pad 1136 can be by the centre gripping between plectane 1135 and the second class activity chamber 1133 inside wall this moment, with this to come screw hole 11311 sealed, avoid sensor 1132 to appear the normal saline after the dismantlement and reveal the phenomenon, the sensor 1132 of being convenient for is in the dismantlement maintenance or the change in the later stage simultaneously, it is comparatively simple and convenient during the use.
The measuring method comprises the following steps:
the collector 112 collects blood pressure data, analyzes the blood pressure data and generates blood pressure analysis data;
the receiver may be in wireless communication with the collector 112;
the collector 112 is provided with a UWB tag device, and the receiver obtains the position of the collector 112 through UWB positioning;
and the processing terminal receives the blood pressure analysis data and generates a blood flow reserve fraction according to the blood pressure analysis data and pre-stored CT radiography image data.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A novel noninvasive fractional flow reserve measurement device is characterized in that:
the novel noninvasive fractional flow reserve measurement device comprises: the device comprises a mounting block, a connecting block, a bearing, a first type of supporting column, a second type of supporting column, a collector and a mounting assembly;
the side surface of the mounting block is provided with a sliding hole, the top end of the mounting block is provided with a clamping groove, the top end of the connecting block is provided with a top hole, and the connecting block is connected with the mounting block in a clamping manner; an installation cavity is formed in the connection block, a movable plate is arranged in the installation cavity, and a first-class thread groove is formed in the outer end of the movable plate; a screw rod is arranged on the outer side of the connecting block and is rotationally connected with the connecting block through the bearing, the tail end of the screw rod penetrates into the installation cavity, and the tail end of the screw rod is in threaded connection with the first thread groove; tooth trace grooves are formed in the outer side of the mounting block and the outer end of the movable plate, and the adjacent tooth trace grooves are connected in a clamping mode;
the first-class supporting column is positioned at the top end of the connecting block, the bottom end of the first supporting column is fixedly connected with the top end of the connecting block, the second-class supporting column is positioned at the top end of the first-class supporting column, the top end of the first-class supporting column is fixedly connected with a connecting column, the bottom end of the second-class supporting column is provided with a first-class movable cavity, and the top end of the connecting column is sleeved inside the first-class movable cavity; a first-class spring is arranged in the first-class movable cavity and sleeved on the surface of the connecting column, a positioning groove is formed in the top end of the first-class supporting column, a positioning lug is fixedly connected to the bottom end of the second-class supporting column, and the positioning lug is connected with the positioning groove in a clamping manner;
the mounting assembly includes: the device comprises a fixed plate, a sensor, a circular plate, a sealing gasket, a guide rod and a second spring; the fixed plate is fixedly connected with the outer side face of the collector, a threaded hole is formed in the outer side of the fixed plate, a second-type movable cavity is formed in the collector, the threaded hole is communicated with the second-type movable cavity, and the sensor is screwed with the threaded hole; the circular plate is positioned in the second type movable cavity, a through hole is formed in the side face of the circular plate, a sliding block is fixedly connected to the side face of the circular plate, a sliding groove is formed in the inner side wall of the second type movable cavity, and the sliding block is clamped in the sliding groove; the guide rod is fixedly connected to one side of the circular plate, the second-class spring is sleeved on the surface of the guide rod, the inner side wall of the second-class movable cavity is fixedly connected with the blocking block and the sealing gasket respectively, and the blocking block penetrates through the sealing gasket.
2. A novel non-invasive fractional flow reserve measuring device according to claim 1, characterized by: the movable plate is of a convex structure, the movable plate is connected with the connecting block in a sliding mode, and the movable plate is connected with the mounting block in a clamping mode.
3. A novel non-invasive fractional flow reserve measuring device according to claim 2, characterized in that: the first type of support column and the second type of support column are both columnar structures, the first type of support column is rotatably connected with the second type of support column, the positioning grooves are annularly distributed at the top end of the first type of support column, the positioning lugs are annularly distributed at the bottom end of the second type of support column, and the number of the positioning lugs is the same as that of the positioning grooves.
4. A novel non-invasive fractional flow reserve measuring device according to claim 3, characterized by: the connecting column is of a T-shaped structure, and the top end of the connecting column is matched with the size of the first movable cavity.
5. A novel non-invasive fractional flow reserve measuring device according to claim 4, characterized by: collector and display are equipped with to second type support column one side, the collector is located the display bottom, the collector the display all with second type support column one side rigid coupling, just the display with collector electric connection.
6. A novel non-invasive fractional flow reserve measuring device according to claim 5, characterized by: the collector is characterized in that a first type of connector is fixedly connected to the inner side face of the collector, a second type of connector is fixedly connected to the outer side face of the collector, and the first type of connector and the second type of connector are communicated with the inner portion of the second type of movable cavity.
7. A novel non-invasive fractional flow reserve measuring device according to claim 6, characterized by: the plectane with second type activity chamber sliding connection, the sprue outer end is semi spherical structure, just the sprue with the size phase-match of through-hole.
8. A novel non-invasive fractional flow reserve measuring device according to claim 7, characterized by: the through-hole with the figure of sprue is four, four the through-hole is the annular and distributes and is in the plectane side, and four the sprue is the annular and distributes and is in second class activity intracavity lateral wall.
9. A novel non-invasive fractional flow reserve measuring device according to claim 8, characterized by: the top end of the second type supporting column is provided with a hanging rod, the top end of the second type supporting column is provided with a second type thread groove, the bottom end of the hanging rod is screwed with the second type thread groove, the outer end of the hanging rod is provided with a saline bag, the saline bag is hung on the hanging rod, and the saline bag is communicated with the first type connector through a dropping liquid pipe.
10. A method of measurement using the method of any one of claims 1 to 10, wherein:
the measuring method comprises the following steps:
the collector collects blood pressure data and analyzes the blood pressure data to generate blood pressure analysis data;
the receiver can be in wireless communication with the collector;
the collector is provided with a UWB tag device, and the receiver obtains the position of the collector through UWB positioning;
and the processing terminal receives the blood pressure analysis data and generates a blood flow reserve fraction according to the blood pressure analysis data and pre-stored CT radiography image data.
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Application publication date: 20210409 |