CN114224290A - Valsalva action auxiliary device and method for performing Valsalva action by using same - Google Patents
Valsalva action auxiliary device and method for performing Valsalva action by using same Download PDFInfo
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Abstract
The invention provides a Valsalva action auxiliary device and a method for carrying out Valsalva action by using the device, wherein the device comprises an air blowing nozzle, a handheld part, a conduit and a pressure gauge, a pointer, a sensor, a scale mark representing intrathoracic pressure and a scale value are arranged on a pressure gauge main body, and the sensor can sense whether the pointer crosses the scale mark corresponding to the scale value of 40 mmHg; the device blows air forcibly through the air blowing nozzle, the first indicator light and the second indicator light arranged on the pressure gauge are respectively lightened after the pressure reaches 40mmHg and lasts for 15s, and the voice information of whether the pressure value exceeds 40mmHg and lasts for 15s is broadcasted through the loudspeaker, so that a subject can obtain visual and effective feedback, the workload of medical personnel is reduced, and the subject can independently and effectively complete Valsalva action; the method for performing the Valsalva action by using the Valsalva action auxiliary device is simple, practical, non-invasive, safe, and repeatedly operated once unsuccessfully.
Description
The technical field is as follows:
the invention relates to the technical field of medical auxiliary instruments, in particular to a Valsalva action auxiliary device and a method for performing Valsalva action by using the same.
Background art:
valsalva action is also called as Valsalva test, and is a vagus nerve stimulation method, so that a patient can perform powerful breath-closing action, and the blood circulation and the autonomic nerve function state are influenced by increasing the intrathoracic pressure; because the Valsalva action has the characteristics of simple operation, practicality, no wound, safety, once unsuccessful and repeated operation, the application in the diagnosis and treatment of cardiovascular diseases is more and more extensive, and the Valsalva action is commonly used for diagnosing the patent foramen ovale in a foaming test and a first-line first-aid method for paroxysmal supraventricular tachycardia; meanwhile, the Valsalva maneuver plays an essential role in the examination process of the foaming test, if the standard Valsalva maneuver is not performed in the examination process of the foaming test, up to 40% of congenital heart diseases may be missed by right-to-left shunting, in other words, the completion efficacy of the Valsalva maneuver directly affects the examination result (positive rate) of the foaming test, and similarly, the Valsalva maneuver is clinically recognized as an analogy-I approach for treating paroxysmal supraventricular tachycardia at home and abroad.
The Valsalva maneuver must have three key elements to provide maximum performance: a position of a supine position; ② the intrathoracic pressure equivalent to 40mmHg can be generated; duration is at least 15 seconds; adequate and effective Valsalva maneuver often seen with subjects with signs of jugular vein dilation, facial flushing and increased abdominal muscle tone; currently, there is no dedicated Valsalva action assisting device, and clinical care personnel are generally required to use local materials for manufacturing, such as: taking a new 10ml syringe with a needle removed, ordering a patient to blow the syringe by sucking the syringe nipple to move a piston (equivalent to about 40mmHg) to blow for 15s with strong force after deep inhalation, keeping the posture unchanged, and keeping the piston to move for 15s continuously, wherein the method often causes the nozzle to be separated from the syringe nipple or the piston to be separated from the syringe cylinder to cause the failure of blowing; the best self-made method at present is to select a mercury sphygmomanometer or a pointer type sphygmomanometer, a disposable 50mL syringe with a plunger pulled out is used as a blowing nozzle to be connected to a rubber tube of the mercury sphygmomanometer or the pointer type sphygmomanometer, a patient holds the syringe to blow, and the patient blows to the mercury sphygmomanometer or the pointer type sphygmomanometer to indicate that the position is 40mmHg to complete Valsalva action; however, the Valsalva maneuver assisting device is not standardized, saliva is carried in the exhaled air during Valsalva maneuver, the exhaled air of a patient can be filtered without a corresponding device or fittings in the self-made Valsalva maneuver assisting device, so that saliva and germs of a human body can enter the rubber tube during air blowing, the saliva and the germs are not easy to be cleared and sterilized, the saliva and the germs entering the rubber tube or the sphygmomanometer can further cause the breeding of germs, the cross infection among patients is easy to cause, the measurement precision of the pressure gauge is easy to be reduced in the past, and the judgment of data when a user uses the pressure gauge is influenced; meanwhile, the self-made Valsalva motion assisting device cannot intuitively display whether the intrathoracic pressure reaches 40mmHg and whether the time kept after the intrathoracic pressure reaches 40mmHg reaches 15 seconds, so that the intuitive judgment of a user is not facilitated, and therefore, the intrathoracic pressure of 40mmHg and the duration of 15 seconds are difficult to simultaneously meet in actual operation.
The invention content is as follows:
the present invention is to solve the above-mentioned problems, and provides a Valsalva maneuver assisting device for clinical practice and a method for performing Valsalva maneuver using the same; the Valsalva action auxiliary device can filter saliva and pathogenic bacteria in exhaled air, keeps the interiors of a catheter and a pressure gauge dry, clean and sterile, and has the function of preventing cross infection; and an indication reminding device is arranged on the pressure gauge to prompt whether the pressure reaches 40mmHg and whether the time reaches 15 seconds, so that the testee can obtain intuitive and effective feedback.
The invention adopts the following technical scheme to realize the purpose of the invention: a Valsalva action auxiliary device comprises an air blowing nozzle, a handheld part, a conduit and a pressure gauge; the air blowing nozzle comprises a nozzle cover and a first connecting pipe fixedly arranged at the bottom of the nozzle cover; the pressure gauge comprises a pressure gauge main body, a base, a pointer and a sensor, wherein the base is fixedly arranged at the bottom of the pressure gauge main body, and the middle part of the pointer is hinged to the middle part of the front surface of the pressure gauge main body; scale marks representing intrathoracic pressure and scale values corresponding to the scale marks are uniformly marked on the edge of the front surface of the pressure gauge main body, the sensor is arranged on the scale marks corresponding to the scale values of 40mmHg, and the sensor sends out acousto-optic and electric prompts or alarms by sensing whether the pointer crosses the scale marks corresponding to the scale values of 40 mmHg; the blowing nozzle is detachably sealed and sleeved on the top of the handheld part through a first connecting pipe; one end of the guide pipe is hermetically connected to the bottom of the handheld part, and the other end of the guide pipe is hermetically connected to the base.
Further, the air blowing nozzle also comprises a flat columnar buccal blowing pipe; the mouth sucking blow pipe is arranged on the inner side of the mouth cover, and a through hole communicated with the first connecting pipe is formed in the mouth sucking blow pipe.
Further, a blowing filter is connected between the blowing nozzle and the hand-held part; the blowing filter comprises a gas filter cavity, a filter layer, a second connecting pipe, a third connecting pipe and a rubber sealing ring; the second connecting pipe and the third connecting pipe are respectively and fixedly connected to the top and the bottom of the gas filtering cavity; a filtering layer is arranged in the gas filtering cavity; the rubber sealing ring is arranged on the outer wall or the inner wall of the second connecting pipe and the third connecting pipe; the air blowing filter is detachably, hermetically and sleeved with the first connecting pipe through the second connecting pipe, and the air blowing filter is detachably, hermetically and sleeved with the top of the handheld part through the third connecting pipe.
Further, the bottom of the blowing nozzle is fixedly connected with a blowing filter, and the blowing nozzle and the blowing filter are designed in an integrated mode; the blowing filter comprises a gas filter cavity, a filter layer, a second connecting pipe, a third connecting pipe and a rubber sealing ring; the second connecting pipe and the third connecting pipe are respectively and fixedly connected to the top and the bottom of the gas filtering cavity, and the second connecting pipe and the first connecting pipe are the same connecting pipe; a filtering layer is arranged in the gas filtering cavity; the rubber sealing ring is arranged on the outer wall of the third connecting pipe; the blowing filter is detachably, hermetically and sleeved with the top of the handheld part through a third connecting pipe.
Preferably, the whole filtering layer is corrugated, and the filtering layer is formed by compounding an activated carbon layer and a polypropylene flock spraying cloth layer.
Preferably, the filter layer further comprises a corrugated hard filter screen, and the hard filter screen is compounded between the activated carbon layer and the polypropylene spray flannelette layer or outside the activated carbon layer and the polypropylene spray flannelette layer.
Further, the pressure gauge also comprises a control box and a first indicator light; the first indicator light is fixedly arranged on the outer side of the pressure gauge main body; a controller and a power supply are integrated in the control box, and the controller is electrically connected with the power supply, the inductor and the first indicator lamp respectively; the inductor senses whether the pointer crosses the scale mark corresponding to the scale value of 40mmHg or not, and the controller controls the first indicator light to be turned on or off.
Further, the pressure gauge also comprises a second indicator light and a timer integrated in the control box; the second indicator light is fixedly arranged on the outer side of the pressure gauge main body; the timer is electrically connected with the second indicator light, the power supply and the inductor; the sensor senses whether the pointer crosses the scale mark corresponding to the scale value of 40mmHg and controls the on-off of the second indicator light by timing whether the timer lasts for 15 s.
Further, a loudspeaker is integrated on the control box and used for broadcasting voice information whether the pressure value exceeds 40mmHg and continues for 15 s.
Preferably, the sensor is an infrared sensor.
Preferably, the pressure gauge is a pointer type sphygmomanometer.
Further, the manometer still includes the device that makes the whole show of erectting of manometer, and the device is fixed couple, the base that sets up in the manometer main part or sets up the magnet on control box back and base.
Due to the adoption of the technical scheme, the invention better realizes the purpose of the invention, and the Valsalva action auxiliary device has simple, practical, non-invasive and safe integral operation, and can be repeatedly operated once unsuccessfully; the mouth cover is arranged behind the mouth of the testee and contains the buccal blowpipe for forceful blowing, the holding part is convenient for tightly contacting the mouth cover with the facial skin, and the testee can also conveniently and forcefully blow; the filter layer arranged in the blowing filter can filter moisture and germs in the exhaled air, so that cross infection among different patients is avoided, and the interiors of the guide pipe and the pressure gauge are kept dry, clean and sterile; the first indicator light and the second indicator light arranged on the pressure gauge can be respectively lightened after the pressure reaches 40mmHg and lasts for 15s when the sensor monitors that the pressure reaches 40mmHg, and voice information indicating whether the pressure value exceeds 40mmHg and lasts for 15s or not is broadcasted through the loudspeaker, so that the testee can obtain visual and effective feedback, the workload of medical personnel is reduced, and the testee can independently and effectively complete Valsalva action.
Description of the drawings:
FIG. 1 is a schematic diagram of the overall structure of the present invention.
FIG. 2 is a schematic view of the structure of a blowing nozzle 1 in the present invention.
FIG. 3 is a schematic sectional view of the air filter 2 of the present invention.
Fig. 4 is a partially enlarged schematic view of a portion a of fig. 3 according to the present invention.
Fig. 5 is a first structural schematic diagram of a pressure gauge 5 according to the present invention.
Fig. 6 is a schematic structural diagram two of the pressure gauge 5 according to the present invention.
Fig. 7 is a third schematic structural diagram of the pressure gauge 5 according to the present invention.
Fig. 8 is a schematic diagram of the control principle of the pressure gauge 5 according to the present invention.
The reference numerals are illustrated in the following table.
Number of mark | Name of label | Number of mark | Name of |
1 | |
3 | Hand-held |
11 | |
4 | |
12 | First connecting |
5 | |
13 | |
51 | Pressure gauge |
2 | |
52 | |
21 | |
53 | |
22 | |
54 | |
221 | Activated |
55 | |
222 | |
56 | |
223 | |
57 | |
23 | Second connecting |
58 | Hook 58 |
24 | Third connecting |
59 | Loudspeaker 59 |
25 | |
The specific implementation mode is as follows:
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 introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts, and the contents of the invention will be further described with reference to the drawings:
example 1:
referring to the attached figures 1 and 2 of the specification, the Valsalva action auxiliary device comprises an air blowing nozzle 1, a handheld part 3, a conduit 4 and a pressure gauge 5; the blowing nozzle 1 comprises a nozzle cover 11, a first connecting pipe 12 fixedly installed at the bottom of the nozzle cover 11 and a flat columnar buccal blowing pipe 13, the buccal blowing pipe 13 is arranged on the inner side of the nozzle cover 11, a through hole communicated with the first connecting pipe 12 is formed in the buccal blowing pipe 13, the buccal blowing pipe 13 is contained behind the mouth of a testee through the arranged nozzle cover 11 cover for forced blowing, the handheld part 3 is convenient for tightly contacting the nozzle cover 11 with the facial skin and can also be convenient for the testee to blow forcibly, meanwhile, the nozzle cover 11 can limit the depth of the buccal blowing pipe 13 penetrating into the mouth, the nausea caused by the fact that the buccal blowing pipe 13 penetrates into the mouth too much can be prevented, and Valsalva actions cannot be performed normally; the pressure gauge 5 comprises a pressure gauge main body 51, a base 52 and a pointer 53, wherein the base 52 is fixedly arranged at the bottom of the pressure gauge main body 51, and the middle part of the pointer 53 is hinged to the middle part of the front surface of the pressure gauge main body 51; scale marks representing intrathoracic pressure and scale values corresponding to the scale marks are uniformly marked on the edge of the front surface of the pressure gauge main body 51, and the scale range is 5-80mmHg with reference to the attached drawing; the blowing nozzle 1 is detachably sealed and sleeved on the top of the handheld part 3 through a first connecting pipe 12; the conduit 4 is hermetically connected to the bottom of the hand-held part 3 at one end and to the base 52 at the other end.
In one embodiment, referring to fig. 1 and 3, an air blowing filter 2 is connected between the air blowing nozzle 1 and the hand grip 3; the air blowing nozzle 1 and the air blowing filter 2 are designed in a split mode, and the air blowing nozzle 1 or the air blowing filter 2 can be replaced selectively; the blowing filter 2 comprises a gas filtering cavity 21, a filtering layer 22, a second connecting pipe 23, a third connecting pipe 24 and a rubber sealing ring 25; the second connecting pipe 23 and the third connecting pipe 24 are respectively and fixedly connected to the top and the bottom of the gas filtering cavity 21; a filter layer 22 is arranged in the gas filter cavity 21; the rubber sealing ring 25 is arranged on the outer wall or the inner wall of the second connecting pipe 23 and the third connecting pipe 24; the air blowing filter 2 is detachably and hermetically sleeved with the first connecting pipe 12 through a second connecting pipe 23, and the air blowing filter 2 is detachably and hermetically sleeved with the top of the handheld part 3 through a third connecting pipe 24; the function of the blowing filter 2 is that the filter layer 22 arranged can filter moisture and germs in the exhaled air, avoid cross infection among different patients and keep the inside of the conduit and the pressure gauge dry, clean and sterile.
In one embodiment, the bottom of the blowing nozzle 1 is fixedly connected with a blowing filter 2, the blowing nozzle 1 and the blowing filter 2 are designed as a whole, and the blowing nozzle 1 and the blowing filter 2 need to be replaced simultaneously; the blowing filter 2 comprises a gas filtering cavity 21, a filtering layer 22, a second connecting pipe 23, a third connecting pipe 24 and a rubber sealing ring 25; the second connecting pipe 23 and the third connecting pipe 24 are respectively and fixedly connected to the top and the bottom of the gas filtering cavity 21, and the second connecting pipe 23 and the first connecting pipe 12 are the same connecting pipe; a filter layer 22 is arranged in the gas filter cavity 21; the rubber sealing ring 25 is arranged on the outer wall of the third connecting pipe 24; the blowing filter 2 is detachably sleeved with the top of the handheld part 3 in a sealing manner through a third connecting pipe 24; the whole body of the air blowing nozzle 1 and the air blowing filter 2 is detachably, hermetically and sleeved with the top of the handheld part 3 through a third connecting pipe 24; the function of the blowing filter 2 is that the filter layer 22 arranged can filter moisture and germs in the exhaled air, avoid cross infection among different patients and keep the inside of the conduit and the pressure gauge dry, clean and sterile.
In one embodiment, referring to fig. 4, the filter layer 22 is corrugated, and the filter layer 22 is formed by combining an activated carbon layer 221 and a polypropylene flock layer 222; the filter layer 22 is designed to be corrugated, so that the contact area of the filter layer 22 and the incoming air is increased, the air filtering amount in the standard time is increased, namely, the blocking effect of the filter layer 22 on the incoming air is reduced, and the air blowing of a subject is smoother; the activated carbon layer 221 has good functions of anti-poison and deodorization, and is used for filtering or adsorbing droplets and particles; the polypropylene melt-blown cloth layer 222 is a superfine electrostatic fiber cloth, and can capture dust and viruses due to electrostatic action, and spray containing various viruses can be adsorbed on the surface of the melt-blown cloth and cannot penetrate through the surface of the melt-blown cloth after approaching to the polypropylene melt-blown cloth; so that the filter layer 22 can filter the moisture and germs in the exhaled air as a whole.
In one embodiment, referring to fig. 4, the filter layer 22 further includes a corrugated hard screen 223, and the hard screen 223 is compounded between the activated carbon layer 221 and the polypropylene flocked layer 222 or outside the activated carbon layer 221 and the polypropylene flocked layer 222; the rigid filter screen 223 has the function of keeping the whole filter layer 22 always corrugated, so that the filter layer 22 is not deformed greatly due to the impact force of the exhaled air, and the filter layer 22 is always kept in a good corrugated state to filter moisture and germs in the exhaled air.
In one embodiment, referring to fig. 1, 5, 6 and 7, the pressure gauge main body 51 is a pointer type sphygmomanometer, and the pressure gauge 5 further includes a sensor 54, a control box 55 and a first indicator lamp 56; the sensor 54 is arranged on a scale mark corresponding to a scale value of 40 mmHg; the first indicator lamp 56 is fixedly arranged on the outer side of the pressure gauge main body 51; a controller and a power supply are integrated in the control box 55, and the controller is electrically connected with the power supply, the inductor 54 and the first indicator lamp 56 respectively; the sensor 54 senses whether the pointer 53 crosses a scale mark corresponding to a scale value of 40mmHg, and controls the first indicator lamp 56 to be turned on and off through the controller.
Specifically, when the examinee continuously blows through the blowing nozzle 1, the pointer 53 rotates slowly, when the pointer 53 crosses a scale mark corresponding to a scale value of 40mmHg, the sensor 54 senses the pointer 53 and controls the first indicator lamp 56 to be turned on through the controller, the examinee can visually see that the first indicator lamp 56 is turned on to indicate that the examinee blows to reach the requirement of 40mmHg, and at the moment, the intrathoracic pressure equivalent to 40mmHg can be generated, so that a key element which is necessary to be possessed by Valsalva action can be met.
In one embodiment, with reference to fig. 1, 5, 6 and 7, the pressure gauge 5 further comprises a second indicator light 57 and a timer integrated in the control box 55; the second indicator light 57 is fixedly arranged on the outer side of the pressure gauge main body 51; the timer is electrically connected with the second indicator light 57 and the power supply and sensor 54; the sensor 54 senses whether the pointer 53 crosses a scale mark corresponding to a scale value of 40mmHg and controls the second indicator lamp 57 to be turned on and off by counting for 15 seconds through a timer.
Specifically, when the examinee continuously blows through the blowing nozzle 1, the pointer 53 slowly rotates, when the pointer 53 crosses a scale mark corresponding to a scale value of 40mmHg, the sensor 54 senses the pointer 53 and starts timing through the timer at the same time, when the pointer 53 is positioned on the right side of the scale mark of 40mmHg and continues for 15s (namely, the pressure value is always greater than 40mmHg and continues for 15s), the second indicator lamp 57 is turned on, the examinee can visually see that the first indicator lamp 56 and the second indicator lamp 57 are simultaneously turned on to indicate that the examinee achieves the requirement of self blowing, the intrathoracic pressure equivalent to 40mmHg can be generated and continues for 15s, and two key elements which are necessary for Valsalva movement can be met; it should be noted that: during the timing process of the timer, once the pointer 53 is located at the left side of the scale line of 40mmHg, so that the indicated pressure value is less than 40mmHg (i.e. the pressure value does not last for 15s and is greater than 40mmHg), the sensor 54 senses the pointer 53 again, and the corresponding first indicator lamp 56 is turned off, so that the blowing of the subject is not satisfactory, and only re-blowing can be performed to complete the Valsalva action.
In one embodiment, referring to fig. 7, a speaker 59 is further integrated on the control box 55, and the speaker 59 is used for broadcasting voice information of whether the pressure value exceeds 40mmHg and lasts for 15 s; such as: when the pressure value exceeds 40mmHg, voice information such as 'the pressure value reaches 40mmHg, please insist on again' and the like can be played, and when the pressure value exceeds 40mmHg and lasts for 15s, voice information such as 'Valsalva action is finished, please stop blowing' and the like can be broadcasted; the dual prompt of light and voice through the voice information and the first indicator lamp 56 and the second indicator lamp 57 facilitates the examinee to get the visual and effective feedback.
It should be noted that: the speaker 59 may also broadcast an encouraging voice message encouraging the patient to insist on completing Valsalva actions, such as: "you are really sticks", "stick again, just as you are, you are good at once", "wish you healthy", "wish you recover early", etc.
In a preferred embodiment, the sensor 54 is an infrared sensor; the pressure gauge main body 51 comprises a dial marked with scale marks representing intrathoracic pressure and scale values corresponding to the scale marks, and a transparent plate (a glass plate or a plastic plate) positioned on the front surface of the pressure gauge main body 51; the infrared sensor comprises an infrared generator and an infrared receiver, then, the infrared generator is arranged on the scale mark corresponding to 40mmHg on the dial, the infrared receiver is arranged on the inner side of the transparent plate at the corresponding position of the infrared generator, and the pointer 53 can penetrate between the infrared generator and the infrared receiver to realize the induction of infrared signals.
In a preferred embodiment, the pressure gauge 5 further comprises a device for vertically displaying the whole pressure gauge 5, wherein the device is a hook 58 fixedly arranged on the pressure gauge main body 51, a base 52 or a magnet arranged on the back of the control box 55 and the base 52; the hook 58 can vertically hang the pressure gauge 5, such as on a transfusion stand or a bed fence; the base 52 is circular, and the base 52 can be directly placed in a probe slot on the right side of the TCD equipment to realize that the pressure gauge 5 is vertically placed; the magnet can be directly adsorbed on a transfusion stand or a metal piece such as a bed fence and the like to realize that the pressure gauge 5 is vertically placed; the pressure gauge 5 of the device which is vertically displayed is convenient for a subject to observe and prevents the pressure gauge 5 from falling and damaging.
Example 2:
in embodiment 1, a method for Valsalva maneuver using the assistance device includes:
firstly, taking a new air blowing nozzle 1 and an air blowing filter 2, hermetically sleeving the air blowing nozzle 1 on the top of the air blowing filter 2, hermetically sleeving the bottom of the air blowing filter 2 on the top of the handheld part 3, and vertically placing a pressure gauge 5 in an infusion support, a bed fence or a probe slot on the right side of TCD equipment through a hook 58 or a magnet or a base 52;
secondly, the testee takes a supine position;
the testee holds the handheld part 3 to cover the mouth part with the mouth cover 11, the mouth part is contained in the mouth holding blowpipe 13, forced air blowing is carried out, air flow sequentially passes through the mouth holding blowpipe 13, the air blowing filter 2, the handheld part 3 and the guide pipe 4 to enter the pressure gauge 5, and the air flow carries out filtration and adsorption of moisture, pathogenic bacteria and bacteria through the filter layer 22 in the air blowing filter 2;
after the air flow enters the pressure gauge 5, the pointer 53 starts to rotate slowly, when the pointer 53 crosses the scale mark corresponding to the scale value of 40mmHg, the sensor 54 senses the pointer 53 and controls the first indicator lamp 56 to light through the controller, and meanwhile, the loudspeaker 59 plays the voice information of which the pressure value exceeds 40 mmHg;
fifthly, the timer starts to time while the first indicator lamp 56 is turned on, the examinee continuously blows or holds breath, the pointer 53 is ensured to be positioned at the right side of the scale mark of 40mmHg, namely the scale pointed by the pointer 53 is ensured to be larger than 40mmHg and at least continuously lasts for 15s, the second indicator lamp 57 is turned on, the loudspeaker 59 simultaneously plays voice information with the pressure value exceeding 40mmHg and continuously lasting for 15s, the fact that a valid Valsalva action is finished is shown, the examinee stops blowing, and the blowing nozzle 1 is separated from the mouth.
Example 3:
the procedure for Valsalva action using the auxiliary device is based on example 2, with the introduction of the comparative example: standard Valsalva action: a new 10ml syringe with a needle removed is taken, and the patient is ordered to blow the syringe by sucking the syringe nipple after deep inhalation until the piston moves (equivalent to about 40mmHg) and blows hard for 15s, the posture is kept unchanged, and the piston moves for 15s continuously.
Example 2 and comparative example use test in transthoracic cardiac ultrasound diagnosis of patent foramen ovale: selecting 38 patients suspected of performing the PFO-mimetic foaming test, wherein all the patients are subjected to two examinations in example 2 and a comparative example, 19 patients are subjected to the comparative example examination after the examination interval of example 2 is 10 minutes, and the rest 19 patients are subjected to the comparative example examination after the examination interval of 10 minutes; the two methods are implemented at an interval of more than 10 minutes, so that the bubble residues of the contrast agent in the previous examination are avoided; after each patient is examined conventionally by thoracic heart color, a foaming test is performed, that is, after the microbubble contrast agent is injected, when the right atrium begins to appear microbubbles, the patient is ordered to do a standard Valsalva action of a comparative example or a Valsalva action under an auxiliary device of example 2, the conditions of right-to-left shunt (RLS) of example 2 and the comparative example are observed, RLS grading (the number of microbubbles appearing in the left atrium is the most final result, 0 grade is 0, no microbubbles appear in the left atrium and is "-", I grade is 1-10 microbubbles/frame appear in the left atrium and is "+", II grade is 10-30 microbubbles/frame appear in the left atrium and is "+", III grade is more than 30 microbubbles visible in the left atrium or is almost filled with microbubbles, the heart chamber is turbid and is "+", and comfort of the patient is achieved (comfort degree of comfort is reversely graded by a visual simulation evaluation method VAS (0-10 fraction), x2The test refers to chi fang test in statistics; paired t-test refers to a t-test method; p is a decreasing index of the credibility of the judgment result in statistics, and usually P is less than 0.05, which means that the difference between two groups has statistical significance; p.gtoreq.0.05 means that the two groups of differences have no statistical significance.
The main data are as follows:
from these results, it can be seen that the Valsalva maneuver of embodiment 2 of the present invention can improve the detection rate of right-to-left shunting of patent foramen ovale, RLS classification, and patient comfort. The accuracy and the comfort level of the patient for executing Valsalva actions are increased, and the sensitivity and the accuracy of the color ultrasound of the transthoracic heart to the diagnosis of the patent foramen ovale are facilitated.
Example 2 and comparative example testing in the treatment of paroxysmal supraventricular tachycardia: 58 paroxysmal supraventricular tachycardia patients receiving emergency treatment are selected, randomly distributed to 29 patients in the group in the example 2 to carry out Valsalva actions under the auxiliary device, and 29 patients in the comparative example carry out standard Valsalva actions, and all the patients are monitored for the cardioversion condition by three-lead telemetering monitoring; under the condition of failure of the first treatment, the same action is repeated, and the cardioversion is failed if the cardioversion is not yet cardioverted after 5 actions; comparing the success rate of two groups of total cardioversion, the success rate of the first cardioversion and the second cardioversion, and the occurrence conditions of adverse reactions such as dizziness, sweating, tinnitus, vomiting and the like during the period; x2The test refers to chi fang test in statistics; paired t-test refers to a t-test method; p is a decreasing index of the credibility of the judgment result in statistics, and usually P is less than 0.05, which means that the difference between two groups has statistical significance; p.gtoreq.0.05 means that the two groups of differences have no statistical significance.
The main data are as follows:
the results show that the overall cardioversion success rate of the patient in example 2 is more advantageous than that of the comparative example; the difference of incidence rates of dizziness, sweating, tinnitus and vomiting of two groups of patients has no statistical significance; in this embodiment 2, the Valsalva motion therapy for emergency paroxysmal supraventricular tachycardia patient under the auxiliary device has high cardioversion success rate, does not increase adverse reactions, is simple and convenient to operate, and is suitable for use.
It is clear that modifications and/or additions of parts may be made to the Valsalva maneuver assisting device and to the method of performing Valsalva maneuvers as described heretofore, without departing from the field and scope of the present invention.
It is also clear that although the present invention has been described in detail with reference to the Valsalva maneuver assisting device and the method for performing the Valsalva maneuver, a person skilled in the art shall certainly be able to achieve many other equivalent Valsalva maneuver assisting devices and methods for performing the Valsalva maneuver, and such Valsalva maneuver assisting devices and methods for performing the Valsalva maneuver are within the scope of the protection defined thereby.
Claims (10)
1. A Valsalva motion assisting device is characterized in that: comprises an air blowing nozzle (1), a handheld part (3), a conduit (4) and a pressure gauge (5); the blowing nozzle (1) comprises a nozzle cover (11) and a first connecting pipe (12) fixedly arranged at the bottom of the nozzle cover (11); the pressure gauge (5) comprises a pressure gauge main body (51), a base (52), a pointer (53) and a sensor (54), the base (52) is fixedly arranged at the bottom of the pressure gauge main body (51), and the middle part of the pointer (53) is hinged to the middle part of the front surface of the pressure gauge main body (51); the blowing nozzle (1) is detachably sealed and hermetically connected to the top of the handheld part (3) through a first connecting pipe (12); one end of the conduit (4) is hermetically connected with the bottom of the handheld part (3), and the other end is hermetically connected with the base (52); the edge of the front face of the pressure gauge main body (51) is uniformly marked with scale marks representing intrathoracic pressure and scale values corresponding to the scale marks, the sensor (54) is arranged on the scale marks corresponding to the scale values of 40mmHg, and the sensor (54) sends out an acousto-optic-electric prompt or an alarm by sensing whether the pointer (53) crosses the scale marks corresponding to the scale values of 40 mmHg.
2. A Valsalva maneuver assisting device as recited in claim 1, wherein: the air blowing nozzle (1) also comprises a flat columnar buccal blowing pipe (13); the mouth sucking blow pipe (13) is arranged on the inner side of the mouth cover (11), and a through hole communicated with the first connecting pipe (12) is formed in the mouth sucking blow pipe (13).
3. A Valsalva maneuver assisting device as recited in claim 1, wherein: a blowing filter (2) is connected between the blowing nozzle (1) and the hand-held part (3); the blowing filter (2) comprises a gas filter cavity (21), a filter layer (22), a second connecting pipe (23), a third connecting pipe (24) and a rubber sealing ring (25); the second connecting pipe (23) and the third connecting pipe (24) are respectively and fixedly connected to the top and the bottom of the gas filtering cavity (21); a filter layer (22) is arranged in the gas filter cavity (21); the rubber sealing ring (25) is arranged on the outer wall or the inner wall of the second connecting pipe (23) and the third connecting pipe (24); the air blowing filter (2) is detachably, hermetically and sleeved with the first connecting pipe (12) through a second connecting pipe (23), and the air blowing filter (2) is detachably, hermetically and sleeved with the top of the handheld part (3) through a third connecting pipe (24).
4. A Valsalva maneuver assisting device as recited in claim 1, wherein: the bottom of the blowing nozzle (1) is fixedly connected with a blowing filter (2), and the blowing nozzle (1) and the blowing filter (2) are designed into a whole; the blowing filter (2) comprises a gas filter cavity (21), a filter layer (22), a second connecting pipe (23), a third connecting pipe (24) and a rubber sealing ring (25); the second connecting pipe (23) and the third connecting pipe (24) are respectively and fixedly connected to the top and the bottom of the gas filtering cavity (21), and the second connecting pipe (23) and the first connecting pipe (12) are the same connecting pipe; a filter layer (22) is arranged in the gas filter cavity (21); the rubber sealing ring (25) is arranged on the outer wall of the third connecting pipe (24); the blowing filter (2) is detachably sleeved with the top of the handheld part (3) in a sealing manner through a third connecting pipe (24).
5. A Valsalva maneuver assisting device according to either of claims 3 and 4, wherein: the whole filtering layer (22) is corrugated, and the filtering layer (22) is formed by compounding an activated carbon layer (221), a polypropylene flock fabric layer (222) and a hard filter screen (223); the hard filter screen (223) is compounded between the activated carbon layer (221) and the polypropylene spray-textured cloth layer (222) or outside the activated carbon layer (221) and the polypropylene spray-textured cloth layer (222).
6. A Valsalva maneuver assisting device as recited in claim 1, wherein: the pressure gauge (5) also comprises a control box (55) and a first indicator lamp (56); the first indicator lamp (56) is fixedly arranged on the outer side of the pressure gauge main body (51); a controller and a power supply are integrated in the control box (55), and the controller is electrically connected with the power supply, the inductor (54) and the first indicator lamp (56) respectively; the inductor (54) senses whether the pointer (53) crosses the scale mark corresponding to the scale value of 40mmHg, and the controller controls the first indicator lamp (56) to be turned on and off.
7. A Valsalva maneuver assisting device as recited in claim 6, wherein: the pressure gauge (5) also comprises a second indicator light (57) and a timer integrated in the control box (55); the second indicator light (57) is fixedly arranged on the outer side of the pressure gauge main body (51); the timer is electrically connected with the second indicator lamp (57) and the power supply and inductor (54); the sensor (54) senses whether the pointer (53) crosses the scale mark corresponding to the scale value of 40mmHg and controls the opening and closing of the second indicator light (57) by timing whether the time lasts for 15s by the timer.
8. A Valsalva maneuver assisting device as claimed in claim 6 or 7, wherein: a loudspeaker (59) is further integrated on the control box (55), and the loudspeaker (59) is used for broadcasting voice information whether the pressure value exceeds 40mmHg and/or lasts for 15 s.
9. A Valsalva maneuver assisting device as recited in claim 1, wherein: the pressure gauge (5) further comprises a device for integrally and vertically displaying the pressure gauge (5), wherein the device is a hook (58) fixedly arranged on the pressure gauge main body (51), a base (52) or a magnet arranged on the back of the control box (55) and the base (52).
10. A method of using the Valsalva maneuver assisting device of any of claims 1-9.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202111550323.4A CN114224290A (en) | 2021-12-17 | 2021-12-17 | Valsalva action auxiliary device and method for performing Valsalva action by using same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202111550323.4A CN114224290A (en) | 2021-12-17 | 2021-12-17 | Valsalva action auxiliary device and method for performing Valsalva action by using same |
Publications (1)
Publication Number | Publication Date |
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CN114224290A true CN114224290A (en) | 2022-03-25 |
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Application Number | Title | Priority Date | Filing Date |
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CN202111550323.4A Withdrawn CN114224290A (en) | 2021-12-17 | 2021-12-17 | Valsalva action auxiliary device and method for performing Valsalva action by using same |
Country Status (1)
Country | Link |
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CN (1) | CN114224290A (en) |
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2021
- 2021-12-17 CN CN202111550323.4A patent/CN114224290A/en not_active Withdrawn
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Application publication date: 20220325 |