CN112155599A - Non-invasive pressure gauge - Google Patents
Non-invasive pressure gauge Download PDFInfo
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- CN112155599A CN112155599A CN202010986604.3A CN202010986604A CN112155599A CN 112155599 A CN112155599 A CN 112155599A CN 202010986604 A CN202010986604 A CN 202010986604A CN 112155599 A CN112155599 A CN 112155599A
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- push
- carotid
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- pull
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/04—Measuring blood pressure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
Abstract
The invention discloses a non-invasive pressure measuring instrument, which adopts the technical scheme that the non-invasive pressure measuring instrument comprises a probe tube, wherein the rear end of the probe tube is connected with a handle, and the front end of the probe tube is connected with an ultrasonic detector for measuring carotid blood pressure. The invention has the following beneficial effects: when the operation, after the doctor opens the carotid to directly block the carotid with surgical tools, in order to avoid blood to continue to flow out, the handheld handle of measurement personnel stretches into the incision with the front end of probing into the pipe, and with the ultrasonic detector laminating on the carotid, ultrasonic detector measures carotid blood pressure, this mode need not further to injure the carotid on the basis of operation and carries out the pressure measurement, has realized the effect of noninvasive measurement blood pressure.
Description
Technical Field
The present invention relates to a blood pressure measuring device, and more particularly, to a non-invasive pressure gauge.
Background
Carotid artery surgery is frequently performed clinically to treat carotid aneurysm, carotid stenosis or occlusion and the like, is not an extensive operation, but has high risk due to abundant vascular nerves in an operation area, such as carotid endarterectomy. The carotid artery operation is roughly performed by the following steps: the patient is anesthetized in a lateral clinostatism, the skin is disinfected conventionally, a sterile towel is laid, a submaxillary anterior cervical incision is made, the skin, subcutaneous tissues and fascia are incised, the cervical total, the cervical inner, the cervical outer and other arterial branches are searched, the blood flow is blocked, the stenosis or the artery occlusion is incised longitudinally, the stenosis part is removed, the arterial intima is separated and removed, the blood vessel is sutured, the fascia, the subcutaneous tissues and the skin are sutured in sequence, the incision is covered by sterile gauze, and the adhesive plaster fixation is finished.
During the operation, the blood pressure is measured to monitor the physical condition of the patient. The existing pressure measuring pipes are connected with a pipe to enter the far end of the carotid artery, blood flow is impacted to measure pressure, and the pressure measuring mode can cause the blood to return to impact the carotid artery, so that the carotid artery is injured to a certain extent.
Disclosure of Invention
In view of the shortcomings of the prior art, the present invention is directed to a non-invasive pressure measuring device, which prevents the returning blood from impacting the carotid artery when measuring the blood pressure, so as to protect the carotid artery.
In order to achieve the purpose, the invention provides the following technical scheme: noninvasive pressure gauge, including exploring the pipe, the rear end of exploring the pipe is connected with the handle, the front end of exploring the pipe is connected with the ultrasonic detector who is used for measuring carotid blood pressure, be provided with the spout along length direction on exploring the inner wall of pipe, spout sliding connection has the slide bar, the front end of slide bar is connected with the connector, be provided with the barb that is used for hooking carotid on the connector, the rear end of slide bar is connected with the push-and-pull key, be provided with the push-and-pull groove on the handle, push-and-pull key and push-and-pull groove sliding connection.
The invention is further configured to: the inner walls of the two sides of the push-pull groove are provided with first bulges, the two sides of the push-pull key are provided with second bulges, the first bulges are placed on the second bulges, the handle is fixedly connected with a pressing plate, the pressing plate is arranged above the second bulges and is limited in the push-pull groove, the pressing plate is provided with a guide hole consistent with the length direction of the push-pull groove, the push-pull key penetrates through the guide hole to extend out of the handle, the push-pull groove is also internally provided with a reset spring, and one end of the reset spring is connected to the push-pull key.
The invention is further configured to: the push-pull key is further provided with a connecting rod, the connecting rod penetrates through the push-pull groove and extends into the handle, the connecting rod is provided with a limiting rod, a limiting hole is formed in the sliding rod, the limiting rod is inserted into the limiting hole and is connected with an extension spring, and the extension spring is connected to the bottom surface of the limiting hole.
The invention is further configured to: the handle is also connected with a pin seat in a sliding way, the pin seat is provided with a bolt, and the push-pull key is provided with a pin hole, and the bolt is inserted into the pin hole so as to fix the push-pull key.
The invention is further configured to: the connector can be dismantled and connect on the slide bar, is provided with the threaded rod on the slide bar, still rotates on the connector to be connected with the thread bush of threaded rod adaptation to be provided with the hexagonal hole, threaded rod and thread bush threaded connection, and be provided with the hexagonal prism of hexagonal hole adaptation, the hexagonal prism inserts downtheholely with spacing connector.
The invention is further configured to: still be provided with the step on the connector, the thread bush is provided with the sliding sleeve, and the sliding sleeve cover is established on the step, and the connector is still fixedly connected with stop collar to spacing on the step with the sliding sleeve, be provided with a plurality of balls that are used for reducing frictional force between stop collar and the sliding sleeve, and all be provided with and be used for supplying the rolling annular of ball.
The invention is further configured to: the front end of the search tube is provided with a plurality of search lights, the search tube is in threaded connection with a transparent protective cover to cover the search lights, the inner side of the protective cover is provided with a through hole, the ultrasonic detector penetrates through the through hole to abut against the carotid artery, the outer side of the protective cover is provided with an arc-shaped surface, and the inner wall of the through hole is provided with a groove used for a sliding rod to penetrate through.
The invention is further configured to: the barb is made of silica gel materials and is arc-shaped, and a reflecting plate used for reflecting ultrasonic waves is arranged in the barb.
The invention is further configured to: still be provided with button and display screen on the handle, be provided with the treater in the handle, the treater is connected with ultrasonic detector, button and display screen respectively, when using, pushes down the button, and the treater starts ultrasonic detector and measures carotid blood pressure to measure the data of feedback and show on the display screen according to ultrasonic detector.
The invention is further configured to: still be provided with the electronic plate in the handle, the treater is installed on the electronic plate, is connected with first electric wire, second electric wire and third electric wire on the electronic plate, and first electric wire passes into the pipe to be connected with the ultrasonic detector electricity, the second electric wire is connected with the button electricity, and the third electric wire is connected with the display screen electricity.
In conclusion, the invention has the following beneficial effects: when the operation, the doctor opens behind the carotid, and directly block the carotid with the operation instrument, in order to avoid blood to continue to flow out, the handheld handle of survey crew, the front end that will visit the pipe stretches into the incision, and with the ultrasonic detector laminating on the carotid, ultrasonic detector measures carotid blood pressure, this mode need not blood impact measuring device, need not to further injure the carotid on the basis of operation promptly and carry out the pressure measurement, the effect of having realized not having the wound and measuring blood pressure, also avoid returning blood impact carotid, thereby the effect of protection carotid has been played.
Drawings
FIG. 1 is a schematic view of the connection structure of a non-invasive pressure gauge;
FIG. 2 is an enlarged view A of FIG. 1;
FIG. 3 is an enlarged view B of FIG. 1;
FIG. 4 is a schematic view of the connection structure of the push-pull key;
FIG. 5 is a schematic view of a connection structure of the connection head;
FIG. 6 is an enlarged view of C of FIG. 5;
fig. 7 is a schematic view of the connection structure of the probe tube.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Referring to fig. 1-7, the non-invasive pressure gauge comprises a probing tube 1, a handle 2 is connected to the rear end of the probing tube 1, an ultrasonic detector 3 for measuring the blood pressure of the carotid artery is connected to the front end of the probing tube 1, a sliding groove 13 is formed in the inner wall of the probing tube 1 along the length direction, a sliding rod 14 is slidably connected to the sliding groove 13, a connector 15 is connected to the front end of the sliding rod 14, a barb 151 for hooking the carotid artery is formed in the connector 15, a push-pull key 141 is connected to the rear end of the sliding rod 14, a push-pull groove 25 is formed in the handle 2, and the push-pull key 141 is slidably connected to the push.
Through the above scheme, when the operation, the doctor cuts behind the carotid, and directly block the carotid with the operation instrument, continue to flow out in order to avoid blood, the handheld handle 2 of measurement personnel, the front end that will visit into pipe 1 stretches into the incision, and laminate ultrasonic detector 3 on the carotid, ultrasonic detector 3 measures carotid blood pressure, this mode need not blood impact measuring device, need not to further injure the carotid on the basis of operation promptly and carry out the pressure measurement, the effect of not having the wound and measuring blood pressure has been realized, also avoid returning blood and assault the carotid, thereby the effect of protection carotid has been played. The length direction of the push-pull groove 25 is consistent with the length direction of the probing pipe 1, and the push-pull key 141 is moved along the length direction of the push-pull groove 25, so that the connector 15 at the front end of the sliding rod 14 extends out, and the barb 151 hooks the carotid artery, so that the carotid artery abuts against the ultrasonic detector 3, the adhesion between the ultrasonic detector 3 and the carotid artery is ensured, and the smooth performance of pressure measurement is ensured.
As a modified specific embodiment, the inner walls of both sides of the push-pull groove 25 are provided with first protrusions 254, both sides of the push-pull key 141 are provided with second protrusions 142, the first protrusions 254 are placed on the second protrusions 142, the handle 2 is further fixedly connected with a pressure plate 252, the pressure plate 252 is arranged above the second protrusions 142 and limits the second protrusions in the push-pull groove 25, the pressure plate 252 is provided with a guide hole 253 which is consistent with the length direction of the push-pull groove 25, the push-pull key 141 penetrates through the guide hole 253 to extend out of the handle 2, the push-pull groove 25 is further provided with a return spring 251, and one end of the return spring 251 is connected to the push-pull key 141.
Through the above scheme, the first protrusion 254 supports the second protrusion 142, so that a finger can press the push-pull key 141 without structural deformation, the push-pull key 141 is limited by the pressing plate 252, and the push-pull key 141 can be guided to move by matching with the guide hole 253, so that the push-pull key 141 can move stably along the length direction of the push-pull groove 25, the reset spring 251 enables the push-pull key 141 to reset automatically, the connector 15 keeps the carotid artery in abutting connection with the ultrasonic detector 3, and the use is more convenient.
As a modified specific embodiment, the push-pull key 141 is further provided with a connecting rod 143, the connecting rod 143 passes through the push-pull slot 25, extends into the handle 2, and is provided with a limiting rod 144, the sliding rod 14 is provided with a limiting hole 145, the limiting rod 144 is inserted into the limiting hole 145 and is connected with an extension spring 146, and the extension spring 146 is connected to the bottom surface of the limiting hole 145.
Through above-mentioned scheme, extension spring 146 makes barb 151 after the good carotid of fixing, avoids push-and-pull key 141 to remove, and the protection carotid can not excessively be extruded by barb 151, and the protection carotid is not hurt. The limiting rod 144 is inserted into the limiting hole 145 to keep the connection between the push-pull key 141 and the sliding rod 14, so as to avoid loosening and keep the structure stable.
As a modified specific embodiment, a pin seat 26 is further slidably connected to the handle 2, a plug 261 is disposed on the pin seat 26, a pin hole 147 is disposed on the push-pull key 141, and the plug 261 is inserted into the pin hole 147 to fix the push-pull key 141.
Through the scheme, the push-pull key 141 moves to the corresponding position, the plug 261 is inserted into the pin hole 147, and therefore the push-pull key 141 is fixed without being fixed by fingers, the phenomenon that the carotid artery is squeezed or loosened by the barb 151 is avoided, and blood pressure can be measured stably.
As a modified specific embodiment, the connector 15 is detachably connected to the sliding rod 14, the sliding rod 14 is provided with a threaded rod 16, the connector 15 is also rotatably connected with a threaded sleeve 152 matched with the threaded rod 16 and is provided with a hexagonal hole 153, the threaded rod 16 is in threaded connection with the threaded sleeve 152 and is provided with a hexagonal prism 161 matched with the hexagonal hole 153, and the hexagonal prism 161 is inserted into the hexagonal hole 153 to limit the connector 15.
Through above-mentioned scheme, hexagonal prism 161 inserts in hexagonal hole 153 for connector 15 can not rotate, rotates thread bush 152, makes on thread bush 152 threaded connection threaded rod 16, thereby can dismantle the connection on slide bar 14 with connector 15, convenient to detach, stable in structure, difficult not hard up.
As a modified specific embodiment, the connecting head 15 is further provided with a step 154, the threaded sleeve 152 is provided with a sliding sleeve 155, the sliding sleeve 155 is sleeved on the step 154, the connecting head 15 is further fixedly connected with a limiting sleeve 156 to limit the sliding sleeve 155 on the step 154, a plurality of balls 157 for reducing friction force are arranged between the limiting sleeve 156 and the sliding sleeve 155, and all the balls 157 are provided with annular grooves 158 for allowing the balls 157 to roll.
Through above-mentioned scheme, step 154 is convenient for sliding sleeve 155 cover to be established, and cooperation stop collar 156 is spacing on step 154 with sliding sleeve 155 to make threaded sleeve 152 rotate to be connected on connector 15, ball 157 friction reduction, make threaded sleeve 152 rotate smoothly, the spacing ball 157 of annular 158, the stability of holding structure.
As a modified specific embodiment, the front end of the probe tube 1 is provided with a plurality of searchlights 11, and is screwed with the transparent protective cover 12 to cover the plurality of searchlights 11, the inner side of the protective cover 12 is provided with a through hole 122, the ultrasonic probe 3 passes through the through hole 122 to abut on the carotid artery, the outer side of the protective cover 12 is provided with an arc-shaped surface 121, the inner wall of the through hole 122 is provided with a groove 123, and the groove 123 is used for the sliding rod 14 to pass through.
Through above-mentioned scheme, illumination is strengthened to searchlight 11 to avoid illumination not enough, provide more clear field of vision, thereby ensure to be able to with ultrasonic detector 3 butt on the carotid, other human tissues are separated with ultrasonic detector 3 to protection casing 12, with the reduction error. The arcuate surface 121 avoids injury to body tissue and also reduces irritation. The through hole 122 facilitates the extension of the ultrasonic probe 3. The groove 123 facilitates the passage of the slide 14.
As a modified specific embodiment, the barb 151 is made of a silicon material and has an arc shape, and a reflection plate 159 for reflecting ultrasonic waves is provided in the barb 151.
Through the scheme, the silica gel material is soft, is not easy to damage blood vessels, particularly the medical silica gel material, has the antibacterial capability, and reduces the possibility of postoperative infection. The reflecting plate 159 reflects ultrasonic waves, and performs bidirectional double detection, so that detection is enhanced, detection precision is ensured, and detection effect is ensured.
As a modified specific embodiment, a button 21 and a display screen 22 are further arranged on the handle 2, a processor 23 is arranged in the handle 2, the ultrasonic detector 3, the button 21 and the display screen 22 are respectively connected to the processor 23, when the ultrasonic diagnostic apparatus is used, the button 21 is pressed, the processor 23 starts the ultrasonic detector 3 to measure the carotid blood pressure, and data fed back according to the measurement of the ultrasonic detector 3 is displayed on the display screen 22.
Through above-mentioned scheme, the user presses down button 21 again with ultrasonic detector 3 laminating back on the carotid, and treater 23 starts ultrasonic detector 3 and measures carotid blood pressure to data according to ultrasonic detector 3 measurement feedback shows on display screen 22, thereby conveniently reads carotid blood pressure, convenient to use.
As a modified specific embodiment, an electronic board 24 is further disposed in the handle 2, the processor 23 is mounted on the electronic board 24, a first wire 241, a second wire 242 and a third wire 243 are connected to the electronic board 24, the first wire 241 penetrates through the probe tube 1 and is electrically connected to the ultrasonic probe 3, the second wire 242 is electrically connected to the button 21, and the third wire 243 is electrically connected to the display 22.
Through the scheme, the processor 23 is fixed through the electronic board 24, the processor 23 is protected, and the first electric wire 241, the second electric wire 242 and the third electric wire 243 are connected, so that the connection is firm, and the use is more stable.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. The noninvasive pressure gauge comprises a probing pipe (1), and is characterized in that: the back end of probing pipe (1) is connected with handle (2), the front end of probing pipe (1) is connected with ultrasonic detector (3) that is used for measuring carotid blood pressure, be provided with spout (13) along length direction on probing pipe's (1) the inner wall, spout (13) sliding connection has slide bar (14), the front end of slide bar (14) is connected with connector (15), be provided with barb (151) that are used for hooking carotid on connector (15), the back end of slide bar (14) is connected with push-and-pull key (141), be provided with push-and-pull groove (25) on handle (2), push-and-pull key (141) and push-and-pull groove (25) sliding connection.
2. A non-invasive load cell according to claim 1, wherein: the inner walls of two sides of the push-pull groove (25) are respectively provided with a first protrusion (254), two sides of the push-pull key (141) are respectively provided with a second protrusion (142), the first protrusions (254) are placed on the second protrusions (142), the handle (2) is further fixedly connected with a pressing plate (252), the pressing plate (252) is arranged above the second protrusions (142) and is limited in the push-pull groove (25), the pressing plate (252) is provided with a guide hole (253) which is consistent with the length direction of the push-pull groove (25), the push-pull key (141) penetrates through the guide hole (253) to extend out of the handle (2), a reset spring (251) is further arranged in the push-pull groove (25), and one end of the reset spring (251) is connected to the push-pull key (141).
3. A non-invasive load cell according to claim 2, wherein: the push-pull key (141) is further provided with a connecting rod (143), the connecting rod (143) penetrates through the push-pull groove (25) and extends into the handle (2), a limiting rod (144) is arranged, a limiting hole (145) is formed in the sliding rod (14), the limiting rod (144) is inserted into the limiting hole (145) and is connected with an extension spring (146), and the extension spring (146) is connected to the bottom surface of the limiting hole (145).
4. A non-invasive load cell according to claim 3, wherein: the handle (2) is further connected with a pin seat (26) in a sliding mode, a bolt (261) is arranged on the pin seat (26), a pin hole (147) is formed in the push-pull key (141), and the bolt (261) is inserted into the pin hole (147) to fix the push-pull key (141).
5. The non-invasive load cell according to claim 4, wherein: connector (15) can be dismantled and connect on slide bar (14), be provided with threaded rod (16) on slide bar (14), still rotate on connector (15) and be connected with thread bush (152) with threaded rod (16) adaptation to be provided with hexagonal hole (153), threaded rod (16) and thread bush (152) threaded connection to be provided with hexagonal prism (161) with hexagonal hole (153) adaptation, hexagonal prism (161) insert in hexagonal hole (153) with spacing connector (15).
6. The non-invasive load cell according to claim 5, wherein: still be provided with step (154) on connector (15), thread bush (152) are provided with sliding sleeve (155), sliding sleeve (155) cover is established on step (154), connector (15) still fixedly connected with stop collar (156) to it is spacing on step (154) with sliding sleeve (155), be provided with a plurality of balls (157) that are used for reducing frictional force between stop collar (156) and sliding sleeve (155) to all be provided with and be used for supplying rolling annular (158) of ball (157).
7. The non-invasive load cell according to claim 5, wherein: the front end of search-in pipe (1) is provided with a plurality of searchlights (11) to threaded connection has transparent protection casing (12) to establish a plurality of searchlights (11) cover, the inboard of protection casing (12) is provided with through-hole (122), ultrasonic detector (3) pass through-hole (122), with the butt on the carotid, the outside of protection casing (12) is provided with arcwall face (121), be provided with recess (123) on the inner wall of through-hole (122), recess (123) are used for supplying slide bar (14) to pass.
8. The non-invasive load cell according to claim 7, wherein: the barb (151) is made of a silica gel material and is arc-shaped, and a reflecting plate (159) used for reflecting ultrasonic waves is arranged in the barb (151).
9. A non-invasive load cell according to any of claims 1 to 8, wherein: still be provided with button (21) and display screen (22) on handle (2), be provided with treater (23) in handle (2), treater (23) are connected with ultrasonic detector (3), button (21) and display screen (22) respectively, and when using, push down button (21), treater (23) start ultrasonic detector (3) and measure carotid blood pressure to data according to ultrasonic detector (3) measurement feedback show on display screen (22).
10. A non-invasive load cell according to claim 9, wherein: still be provided with electronic plate (24) in handle (2), treater (23) are installed on electronic plate (24), be connected with first electric wire (241), second electric wire (242) and third electric wire (243) on electronic plate (24), first electric wire (241) pass and visit pipe (1) to be connected with ultrasonic detector (3) electricity, second electric wire (242) are connected with button (21) electricity, third electric wire (243) are connected with display screen (22) electricity.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010986604.3A CN112155599B (en) | 2020-09-18 | 2020-09-18 | Non-invasive pressure gauge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010986604.3A CN112155599B (en) | 2020-09-18 | 2020-09-18 | Non-invasive pressure gauge |
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| Publication Number | Publication Date |
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| CN112155599A true CN112155599A (en) | 2021-01-01 |
| CN112155599B CN112155599B (en) | 2022-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010986604.3A Active CN112155599B (en) | 2020-09-18 | 2020-09-18 | Non-invasive pressure gauge |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1156799A (en) * | 1997-08-22 | 1999-03-02 | Nippon Colin Co Ltd | Carotid arterial pressure wave detecting device |
| CN200951079Y (en) * | 2006-07-03 | 2007-09-26 | 王云 | Fixtaion band for blood-sampling |
| CN201642090U (en) * | 2010-04-13 | 2010-11-24 | 方东 | Pile artery ligation ultrasound doppler tester probe |
| CN103445808A (en) * | 2013-09-12 | 2013-12-18 | 深圳先进技术研究院 | Main artery non-invasive continuous blood pressure measuring method and device thereof |
| CN110464311A (en) * | 2019-09-02 | 2019-11-19 | 西安交通大学医学院第一附属医院 | A kind of velocity of blood flow monitoring device and its method based on carotid stents |
-
2020
- 2020-09-18 CN CN202010986604.3A patent/CN112155599B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1156799A (en) * | 1997-08-22 | 1999-03-02 | Nippon Colin Co Ltd | Carotid arterial pressure wave detecting device |
| CN200951079Y (en) * | 2006-07-03 | 2007-09-26 | 王云 | Fixtaion band for blood-sampling |
| CN201642090U (en) * | 2010-04-13 | 2010-11-24 | 方东 | Pile artery ligation ultrasound doppler tester probe |
| CN103445808A (en) * | 2013-09-12 | 2013-12-18 | 深圳先进技术研究院 | Main artery non-invasive continuous blood pressure measuring method and device thereof |
| CN110464311A (en) * | 2019-09-02 | 2019-11-19 | 西安交通大学医学院第一附属医院 | A kind of velocity of blood flow monitoring device and its method based on carotid stents |
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| CN112155599B (en) | 2022-08-26 |
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