CN213076093U - Heart valve repair water injection pressure measurement device - Google Patents
Heart valve repair water injection pressure measurement device Download PDFInfo
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- CN213076093U CN213076093U CN202021186913.4U CN202021186913U CN213076093U CN 213076093 U CN213076093 U CN 213076093U CN 202021186913 U CN202021186913 U CN 202021186913U CN 213076093 U CN213076093 U CN 213076093U
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- water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 184
- 239000007924 injection Substances 0.000 title claims abstract description 36
- 238000002347 injection Methods 0.000 title claims abstract description 36
- 210000003709 heart valve Anatomy 0.000 title claims abstract description 29
- 238000009530 blood pressure measurement Methods 0.000 title claims abstract description 21
- 230000008439 repair process Effects 0.000 title claims description 19
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000004891 communication Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 4
- 239000000523 sample Substances 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 2
- 210000000709 aorta Anatomy 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract description 2
- 239000002473 artificial blood Substances 0.000 abstract 1
- 210000004204 blood vessel Anatomy 0.000 abstract 1
- 239000002504 physiological saline solution Substances 0.000 description 9
- 230000006872 improvement Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 210000001765 aortic valve Anatomy 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000013130 cardiovascular surgery Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 208000018578 heart valve disease Diseases 0.000 description 2
- 210000005240 left ventricle Anatomy 0.000 description 2
- 210000005241 right ventricle Anatomy 0.000 description 2
- 206010001029 Acute pulmonary oedema Diseases 0.000 description 1
- 206010008479 Chest Pain Diseases 0.000 description 1
- 208000000059 Dyspnea Diseases 0.000 description 1
- 206010013975 Dyspnoeas Diseases 0.000 description 1
- 206010024119 Left ventricular failure Diseases 0.000 description 1
- 206010027727 Mitral valve incompetence Diseases 0.000 description 1
- 208000002193 Pain Diseases 0.000 description 1
- 206010033557 Palpitations Diseases 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 201000002064 aortic valve insufficiency Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 206010007625 cardiogenic shock Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 208000016569 congenital mitral valve insufficiency Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 208000037805 labour Diseases 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 208000005907 mitral valve insufficiency Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to the field of medical equipment, in particular to a water injection pressure measuring device for repairing a heart valve, which comprises a water injector and a water guide pipe, wherein the water outlet end of the water injector is communicated with the water inlet end of the water guide pipe; the side wall of the water guide pipe is provided with a pressure measuring hole, and a pressure gauge for detecting the pressure in the inner cavity of the water guide pipe is arranged on the pressure measuring hole. The utility model discloses a heart valve restores water injection pressure measurement device, pour into normal saline into to the ventricle or connect the artificial blood vessel of aorta through injector and aqueduct during the use to sufficient ventricle or aorta, owing to seted up the pressure cell and connected the manometer on the aqueduct, can measure the inner chamber pressure of aqueduct in whole process in real time through the manometer, if this pressure accords with the reference value, it is good to show the valve to close; therefore, the utility model can measure the pressure value in the aqueduct at the same time of water injection, and is beneficial to more objectively evaluating the valve repairing condition.
Description
Technical Field
The utility model relates to the field of medical equipment, especially, relate to a water injection pressure measurement device is restoreed to heart valve.
Background
Heart valve diseases (such as mitral insufficiency, aortic insufficiency, and the like) are easy to cause symptoms of weakness, palpitation, chest pain, labor dyspnea, acute left heart failure, even cardiogenic shock, acute pulmonary edema, and the like; valvuloplasty is a common technique for treating valvular heart diseases through cardiovascular surgery, but after the valvuloplasty is completed, the valvuloplasty usually needs to be detected for its valvuloplasty effect, the detection principle is to use pressure to test whether the valvuloplasty is good or not, the common detection method is to inject water (generally physiological saline) into the left/right ventricle or aorta to test the valvuloplasty effect, and the technique is referred to as a water injection test in the industry.
An existing water injection device is shown in CN 206391003U, and generally includes a water injector and an aqueduct, the water injector is used to absorb physiological saline and push the physiological saline into the aqueduct, the aqueduct is placed into the left/right ventricles through the valve orifice or into the aorta, then the physiological saline is injected, the backflow of the heart valve is observed by naked eyes after filling the ventricles, so as to determine the forming effect of the valve and evaluate the repairing condition.
For valvuloplasty, the aortic valve can be closed well after operation and can maintain a certain pressure (the pressure can reach and maintain 50-60mmHg, which indicates that the valve is closed well), but the existing water injection device can only be used for judging by injecting water and observing the backflow condition of the cardiac valve by naked eyes, because the large pressure value which can be borne after the valve is repaired is not known, and an objective pressure index is lacked, the judgment has certain subjectivity and misjudgment possibility, once misjudgment occurs, the operation needs to be performed again after the heart is rebounded, the negative damage of the heart and the whole body of a patient is easily caused, and the pain and the treatment cost of the patient are increased.
Therefore, a need exists for a water injection pressure measurement device for heart valve repair, which can measure the pressure value in the aqueduct while injecting water, so as to facilitate the more objective evaluation of the valve repair condition.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a water injection pressure measuring device for repairing cardiac valves, which can measure the pressure value in the water conduit at the same time of water injection, so as to facilitate the more objective evaluation of the valve repairing condition.
In order to achieve the purpose, the utility model provides a water injection pressure measuring device for repairing heart valves, which comprises a water injector and a water guide pipe, wherein the water outlet end of the water injector is communicated with the water inlet end of the water guide pipe; the side wall of the water guide pipe is provided with a pressure measuring hole, and a pressure gauge for detecting the pressure in the inner cavity of the water guide pipe is installed on the pressure measuring hole.
As a further improvement of the technical scheme of the utility model, the manometer is pointer manometer.
As the utility model discloses technical scheme's further improvement, the manometer includes pressure sensor, treater and display, pressure sensor's probe end is fixed on the pressure cell and is used for surveying aqueduct inner chamber pressure in real time, pressure sensor and treater communication connection and the pressure information transmission to the treater that will detect, treater and display communication connection carry out pressure display through the display after handling pressure information.
As the utility model discloses technical scheme's further improvement, be fixed with the bypass pipe on the pressure measurement hole, bypass pipe and aqueduct integrated into one piece, the manometer passes through the bypass pipe and links to each other with the aqueduct.
As a further improvement of the technical proposal of the utility model, the water injector is of a medical injector structure.
As a further improvement of the technical scheme of the utility model, a water filling hole is further formed on the side wall of the water guide pipe, the water filling hole is positioned between the water inlet end of the water guide pipe and the pressure measuring hole, and a water filling pipe is installed on the water filling hole; the ball valve is arranged at the intersection of the water filling pipe and the water guide pipe in a rotatable mode and used for selectively enabling the water guide pipe to be positioned between two parts of the two sides of the intersection or enabling the water filling pipe and the water guide pipe to be communicated or blocked.
As a further improvement of the technical proposal of the utility model, a filter is arranged in the water filling pipe and used for filtering the water flowing through the water filling pipe.
As a further improvement of the technical proposal of the utility model, the ball valve comprises a valve seat and a rotary handle; the valve seat is provided with a first ball hole, a second ball hole and a third ball hole which are communicated with each other, the rotating handle is connected with the valve seat, is positioned outside the water guide pipe and penetrates through the intersection of the water filling pipe and the water guide pipe, and is used for driving the valve seat to rotate so as to enable the first ball hole, the second ball hole and the third ball hole to be respectively communicated with one of the water inlet end and the water outlet end of the water guide pipe and the water inlet end of the water filling pipe.
Through the above disclosure, the present invention has the following beneficial technical effects:
the utility model discloses a heart valve restores water injection pressure measurement device, when using, centripetal indoor injection normal saline through injector and aqueduct to the sufficient ventricle, because set up the pressure measurement hole and connect the pressure gauge on the aqueduct, under the circumstances that the aortic valve closes, can measure the inner chamber pressure of aqueduct in whole process in real time through the pressure gauge, if this pressure accords with the reference value, it is good to show that the valve closes; therefore, the utility model can measure the pressure value in the aqueduct while injecting water, which is beneficial to evaluating the valve repair condition more objectively; the utility model discloses simple structure, convenient to use do benefit to and popularize and apply in cardiovascular surgery field, have stronger practicality.
Drawings
Fig. 1 is a schematic structural view of a water injection pressure measuring device for heart valve repair according to a first embodiment;
fig. 2 is a schematic structural view of a water injection pressure measuring device for heart valve repair according to the second embodiment;
fig. 3 is a schematic structural view of a water injection pressure measuring device for heart valve repair according to the third embodiment;
fig. 4 is a schematic structural diagram of an aqueduct in the water injection pressure measuring device for repairing a heart valve according to the third embodiment;
FIG. 5 is a schematic structural view of a ball valve in the water injection pressure measuring device for heart valve repair according to the third embodiment;
fig. 6 is a schematic structural view of the water injection pressure measuring device for heart valve repair according to the fourth embodiment.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
Example one
As shown in fig. 1, the present embodiment provides a water injection pressure measurement device for heart valve repair, which includes a water injector 1 and an aqueduct 2, wherein a water outlet end of the water injector 1 is connected and communicated with a water inlet end of the aqueduct 2; the side wall of the water guide pipe 2 is provided with a pressure measuring hole 3, and a pressure measuring device for detecting the pressure in the inner cavity of the water guide pipe 2 is installed on the pressure measuring hole 3.
The water injector 1 is preferably of a medical injector structure, and the volume can be 50 ml; the water guiding tube 2 is a medical catheter, such as a silicone tube, and has a water inlet end at the right end and a water outlet end at the left end. The pressure measuring device is a pointer type pressure gauge 4; the structure and principle of the pointer type pressure gauge are the same as those of the prior art, the pointer type pressure gauge transmits pressure deformation to a pointer through elastic deformation of sensitive elements (a Bourdon tube, a diaphragm capsule and a corrugated tube) in the gauge and a conversion mechanism of a movement in the gauge, so that the pointer rotates to display pressure; the bottom end of the pressure gauge is provided with a pressure inlet, and the pressure inlet is hermetically connected with the pressure measuring hole 3; at this time, the pressure measuring holes 3 are arranged along the radial direction of the water guide pipe 2; a bypass pipe 5 is fixed on the pressure measuring hole 3, the bypass pipe 5 and the water guide pipe 2 are integrally formed, the bypass pipe is perpendicular to the water guide pipe 2, and the pressure meter is connected with the water guide pipe 2 through the bypass pipe 5 (preferably in a threaded connection mode) so as to be convenient for installation of the pressure meter.
When the device is used, physiological saline is injected into the ventricle through the water injector 1 and the aqueduct 2 so as to fill the ventricle, and as the pressure measuring hole 3 is arranged on the aqueduct 2 and is connected with the pressure measuring device, the pressure of the inner cavity of the aqueduct 2 in the whole process can be measured in real time through the pressure measuring device under the condition that the aortic valve is closed, and if the pressure meets a reference value, the valve is closed well.
Example two
As shown in fig. 2, the water injection pressure measurement device for repairing a heart valve provided in the present embodiment is substantially the same in structure as the pressure measurement device of the first embodiment, and the difference is that in the pressure measurement device of the present embodiment, the pressure measurement device is an electronic structure, and includes a pressure sensor 61, a processor 62 and a display 63, a probe end of the pressure sensor 61 is fixed on the pressure measurement hole 3 and is used for detecting the pressure in the inner cavity of the aqueduct 2 in real time, the pressure sensor 61 is in communication connection with the processor 62 and transmits the detected pressure information to the processor 62, and the processor 62 is in communication connection with the display 63 and displays the pressure through the display 63 after processing the pressure information.
The pressure sensor 61, processor 62 and display 63 may be integrally mounted in a housing with the probe end of the pressure sensor 61 extending from the bottom end of the housing and threadably engaging the bypass tube. The pressure sensor 61 can be selected from HM91 miniature pressure sensors 61; the processor 62 may be an existing single-chip microcomputer; the display 63 may be an existing LCD screen; a battery for powering the pressure sensor 61, the processor 62 and the display 63 is also mounted in the housing. The pressure measuring device with the structure is convenient for medical personnel to observe and read the pressure value.
EXAMPLE III
As shown in fig. 3 to 5, the water injection pressure measuring device for repairing a heart valve provided in this embodiment is substantially the same in structure as the pressure measuring device of the first embodiment, and has a difference in that in the pressure measuring device of this embodiment, a water filling hole 7 is further formed in a side wall of the water conduit 2, the water filling hole 7 is located between a water inlet end of the water conduit 2 and the pressure measuring hole 3, and a water filling pipe 8 is installed on the water filling hole 7; a ball valve is rotatably disposed at an intersection of the water filling pipe 8 and the water guide pipe 2, and the ball valve is used for selectively communicating or blocking between two parts of the water guide pipe 2 or between the water filling pipe 8 and the water guide pipe 2.
Fill water hole 7, fill water pipe 8 and be used for filling water operation for water injector 1, because the capacity of general medical syringe is less, often need draw water and water injection many times for a water injection test, and need pull out aqueduct 2 from water injector 1 when drawing water at every turn, install aqueduct 2 on water injector 1 during the water injection again, not only complex operation, waste time and energy, probably lead to air admission aqueduct 2 moreover, reduced experimental security.
The arrangement of the water filling hole 7 and the water filling pipe 8 ensures that the water injector 1 is connected with a water filling channel, when the water filling pipe 8 is communicated with the water guide pipe 2 and two parts of the water guide pipe 2 positioned at two sides of the intersection are blocked, the water inlet end (namely the top end) of the water filling pipe 8 is connected with a physiological saline bag, and the physiological saline can be driven to enter the water injector 1 by pulling the piston rod of the water injector 1, so that the water filling operation is finished under the condition that the water guide pipe 2 is not pulled out; after the water filling is finished, the ball valve is used for blocking the water filling pipe 8 and the water guide pipe 2, the two parts of the water guide pipe 2 positioned at the two sides of the intersection are communicated, and the piston rod of the water injector 1 is pressed to drive the physiological saline in the water filling pipe to enter the ventricle of the patient through the water guide pipe 2.
In order to improve the safety of the injected physiological saline, a filter 81 for filtering the water flowing through the water filling pipe 8 is disposed in the water filling pipe 8, and the filter 81 may be, for example, a filter screen structure disposed along the radial direction of the water filling pipe 8 and capable of filtering out large-particle impurities.
The ball valve is a key component for completing the switching operation, and in the embodiment, the ball valve comprises a valve seat 91 and a rotary handle 92; the valve seat 91 is provided with a first ball hole 911, a second ball hole 912 and a third ball hole 913 which are communicated with each other, the rotary handle 92 is connected with the valve seat 91 and positioned outside the water guide pipe 2 and penetrates through the intersection of the water filling pipe 8 and the water guide pipe 2, and the rotary handle 92 is used for driving the valve seat 91 to rotate so that the first ball hole 911, the second ball hole 912 and the third ball hole 913 can be respectively communicated with one of the water inlet end and the water outlet end of the water guide pipe 2 and the water inlet end of the water filling pipe 8. The structure and the principle of the ball valve are the same as those of CN 206391003U, and the detailed description is omitted.
Example four
As shown in fig. 6, the structure of the pressure measuring device for heart valve repair and water injection according to the present embodiment is substantially the same as that of the pressure measuring device according to the third embodiment, and the difference is that in the pressure measuring device according to the present embodiment, the pressure measuring device is of an electronic structure, that is, the pressure measuring device according to the second embodiment is adopted, and the structure and advantages thereof are as described above.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (8)
1. A water injection pressure measuring device for repairing a heart valve comprises a water injector and a water guide pipe, wherein the water outlet end of the water injector is communicated with the water inlet end of the water guide pipe; the method is characterized in that: the side wall of the water guide pipe is provided with a pressure measuring hole, and a pressure gauge for detecting the pressure in the inner cavity of the water guide pipe is installed on the pressure measuring hole.
2. The heart valve repair water injection pressure measurement device of claim 1, wherein: the pressure measuring device is a pointer type pressure gauge.
3. The heart valve repair water injection pressure measurement device of claim 1, wherein: the pressure measuring device comprises a pressure sensor, a processor and a display, wherein the probe end of the pressure sensor is fixed on the pressure measuring hole and used for detecting the pressure in the inner cavity of the water guide pipe in real time, the pressure sensor is in communication connection with the processor and transmits detected pressure information to the processor, and the processor is in communication connection with the display and displays the pressure information through the display after processing the pressure information.
4. The heart valve repair water injection pressure measurement device according to any one of claims 1 to 3, wherein: and a bypass pipe is fixed on the pressure measuring hole, the bypass pipe and the water guide pipe are integrally formed, and the pressure gauge is connected with the water guide pipe through the bypass pipe.
5. The heart valve repair water injection pressure measurement device according to any one of claims 1 to 3, wherein: the water injector is of a medical injector structure.
6. The heart valve repair water injection pressure measurement device of claim 5, wherein: the side wall of the water guide pipe is also provided with a water filling hole, the water filling hole is positioned between the water inlet end of the water guide pipe and the pressure measuring hole, and a water filling pipe is arranged on the water filling hole; the ball valve is arranged at the intersection of the water filling pipe and the water guide pipe in a rotatable mode and used for selectively enabling the water guide pipe to be positioned between two parts of the two sides of the intersection or enabling the water filling pipe and the water guide pipe to be communicated or blocked.
7. The heart valve repair water injection pressure measurement device of claim 6, wherein: the water filling pipe is internally provided with a filter for filtering water flowing through the water filling pipe.
8. The heart valve repair water injection pressure measurement device of claim 6, wherein: the ball valve comprises a valve seat and a rotary handle; the valve seat is provided with a first ball hole, a second ball hole and a third ball hole which are communicated with each other, the rotating handle is connected with the valve seat, is positioned outside the water guide pipe and penetrates through the intersection of the water filling pipe and the water guide pipe, and is used for driving the valve seat to rotate so as to enable the first ball hole, the second ball hole and the third ball hole to be respectively communicated with one of the water inlet end and the water outlet end of the water guide pipe and the water inlet end of the water filling pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021186913.4U CN213076093U (en) | 2020-06-23 | 2020-06-23 | Heart valve repair water injection pressure measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021186913.4U CN213076093U (en) | 2020-06-23 | 2020-06-23 | Heart valve repair water injection pressure measurement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213076093U true CN213076093U (en) | 2021-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021186913.4U Active CN213076093U (en) | 2020-06-23 | 2020-06-23 | Heart valve repair water injection pressure measurement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213076093U (en) |
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2020
- 2020-06-23 CN CN202021186913.4U patent/CN213076093U/en active Active
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