CN112618842A - System and method for monitoring liquid inflow and outflow in hysteroscope operation - Google Patents
System and method for monitoring liquid inflow and outflow in hysteroscope operation Download PDFInfo
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- CN112618842A CN112618842A CN202011482476.5A CN202011482476A CN112618842A CN 112618842 A CN112618842 A CN 112618842A CN 202011482476 A CN202011482476 A CN 202011482476A CN 112618842 A CN112618842 A CN 112618842A
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- 239000007788 liquid Substances 0.000 title claims abstract description 365
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000012544 monitoring process Methods 0.000 title claims abstract description 23
- 210000004291 uterus Anatomy 0.000 claims abstract description 78
- 238000009825 accumulation Methods 0.000 claims abstract description 52
- 230000008961 swelling Effects 0.000 claims abstract description 41
- 206010000060 Abdominal distension Diseases 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000002699 waste material Substances 0.000 claims description 26
- 239000012530 fluid Substances 0.000 claims description 25
- 238000011010 flushing procedure Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 238000001356 surgical procedure Methods 0.000 claims 3
- 230000010412 perfusion Effects 0.000 abstract description 4
- 208000007536 Thrombosis Diseases 0.000 description 7
- 239000012535 impurity Substances 0.000 description 3
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- FBPFZTCFMRRESA-KVTDHHQDSA-N D-Mannitol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-KVTDHHQDSA-N 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- 239000004471 Glycine Substances 0.000 description 1
- 241000521257 Hydrops Species 0.000 description 1
- 229930195725 Mannitol Natural products 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 206010046788 Uterine haemorrhage Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 210000002414 leg Anatomy 0.000 description 1
- 239000000594 mannitol Substances 0.000 description 1
- 235000010355 mannitol Nutrition 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
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-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M3/00—Medical syringes, e.g. enemata; Irrigators
- A61M3/02—Enemata; Irrigators
- A61M3/0204—Physical characteristics of the irrigation fluid, e.g. conductivity or turbidity
- A61M3/022—Volume; Flow rate
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/012—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor
- A61B1/015—Control of fluid supply or evacuation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/303—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the vagina, i.e. vaginoscopes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M3/00—Medical syringes, e.g. enemata; Irrigators
- A61M3/02—Enemata; Irrigators
- A61M3/0279—Cannula; Nozzles; Tips; their connection means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M3/00—Medical syringes, e.g. enemata; Irrigators
- A61M3/02—Enemata; Irrigators
- A61M3/0279—Cannula; Nozzles; Tips; their connection means
- A61M3/0287—Cannula; Nozzles; Tips; their connection means with an external liquid collector
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/14—Female reproductive, genital organs
- A61M2210/1433—Uterus
Abstract
The invention discloses a hysteroscope operation liquid inlet and outlet amount monitoring system and a method, wherein the system comprises a uterus swelling liquid bag, a uterus swelling pump, a hysteroscope, a liquid accumulation bag, a liquid barrel, a liquid inlet flow meter, a liquid outlet flow meter and an intelligent monitor; the liquid outlet of the uterus expanding liquid bag is connected with the liquid inlet of the uterus expanding pump, the liquid outlet of the uterus expanding pump is connected with the water inlet of the hysteroscope through a hysteroscope liquid inlet pipe, and the water outlet of the hysteroscope is connected with a hysteroscope liquid outlet pipe and a collection port of the liquid accumulation bag; the liquid outlet of the liquid accumulation bag is connected with at least one liquid barrel through a liquid accumulation bag liquid outlet pipe; the liquid inlet flowmeter is arranged on the liquid inlet pipe of the hysteroscope, and the liquid outlet flowmeter is arranged on the liquid outlet pipe of the liquid accumulation bag; the flow meter and the uterus expanding pump are both connected with an intelligent monitor. The invention calculates the liquid amount in the uterine cavity through the flowmeter, simultaneously considers the liquid adhered in each pipeline connected with the hysteroscope, further accurately controls the perfusion of the uterine distention liquid, and more accurately ensures the liquid balance in the uterine cavity.
Description
Technical Field
The invention belongs to the technical field of medical auxiliary equipment, and particularly relates to a system and a method for monitoring liquid inflow and outflow in a hysteroscope operation.
Background
The hysteroscope is a new and minimally invasive gynecological diagnosis and treatment technology, and is a fiber light source endoscope for examination and treatment in the uterine cavity, which comprises the hysteroscope, an energy system, a light source system, a perfusion system and an imaging system.
As is well known, in hysteroscopy, in order to facilitate the operation and not to affect the sight, uterine cavity swelling liquid is injected into the uterine cavity to swell the uterine cavity and wash the operation site, and blood in the uterine cavity is discharged. In order to ensure the balance of the liquid in the body, the liquid entering and exiting the uterine cavity needs to be measured, the existing liquid entering and exiting measuring method completes the measurement by utilizing a container with scales, although the method for measuring the container is simpler, the scales of the container must be paid attention to constantly, and whether the balance is achieved or not is calculated according to the liquid entering and exiting amount, so that the defects of easy distraction of a surgeon, inaccurate measurement, troublesome data reading and calculation and the like exist; on the other hand, individual differences are not considered when the volume is calculated, uterine cavity liquid balance of different patients may be different, and uterine distention liquid perfusion parameters need to be continuously adjusted according to the procedure in stages; the prior method does not clear the discharged waste liquid in real time according to different purposes of operations, thereby influencing the liquid balance of the uterine cavity.
Disclosure of Invention
Aiming at the defects in the prior art, the hysteroscope operation liquid inlet and outlet amount monitoring system and the method provided by the invention solve the problems in the background art.
In order to achieve the purpose of the invention, the invention adopts the technical scheme that: a hysteroscope operation liquid inlet and outlet amount monitoring system comprises a uterus swelling liquid bag, a uterus swelling pump, a hysteroscope, a liquid accumulation bag, a liquid barrel, a liquid inlet flow meter, a liquid outlet flow meter and an intelligent monitor;
the liquid outlet of the uterus expansion liquid bag is connected with the liquid inlet of the uterus expansion pump through a hysteroscope liquid inlet pipe, the liquid outlet of the uterus expansion pump is connected with the water inlet of the hysteroscope, and the water outlet of the hysteroscope is connected with the collection port of the liquid accumulation bag through a hysteroscope liquid outlet pipe;
the liquid outlet of the liquid accumulation bag is connected with at least one liquid barrel through a liquid accumulation bag liquid outlet pipe;
the liquid inlet flowmeter is arranged on the liquid inlet pipe of the hysteroscope, and the liquid outlet flowmeter is arranged on the liquid outlet pipe of the liquid accumulation bag;
the liquid inlet flow meter, the liquid outlet flow meter and the uterus expanding pump are all connected with the intelligent monitor.
Further, the uterus swelling liquid bag is used for containing uterus swelling liquid required by the hysteroscope operation of the patient;
the uterine expansion pump is used for installing uterine expansion liquid with set flushing pressure, flow rate and infusing the uterine expansion liquid into the uterine cavity through the hysteroscope according to the control of the intelligent monitor;
the hysteroscope is used as an instrument for completing the hysteroscope operation of the patient;
the liquid accumulation bag is matched with the liquid barrel for use and is used for collecting waste liquid discharged by a patient in the hysteroscope operation process;
the liquid inlet flow meter and the liquid outlet flow meter are in communication connection with the intelligent monitor through WIFI or Bluetooth and are used for recording the amount of the uterus swelling liquid flowing through the hysteroscope liquid inlet pipe and the liquid accumulation bag liquid outlet pipe and transmitting the uterus swelling liquid to the intelligent monitor;
the intelligent monitor is used for calculating the liquid amount entering the uterine cavity of the patient in real time according to the uterine distention liquid amount uploaded by the flowmeter, and further controlling the work of the uterine distention pump to keep the liquid in the uterine cavity balanced;
furthermore, a detachable waste liquid filter pipe is arranged between the liquid outlet of the liquid accumulation bag and the liquid outlet pipe of the liquid accumulation bag;
the waste liquid filter pipe comprises an upper hose and a lower hose;
the edge of the upper end of the upper hose is in integral sealing connection with the edge of the liquid outlet end of the liquid accumulation bag, the lower end of the upper hose is detachably connected with the upper end of the lower hose, and the lower end of the lower hose is in integral sealing connection with the liquid inlet of the liquid accumulation bag liquid outlet pipe;
the inboard edge in lower hose upper end evenly is provided with a plurality of buckles, the buckle upper berth is equipped with the one deck filter screen.
Furthermore, a layer of sealing ring is arranged at the joint of the inner side edge of the lower end of the upper hose and the lower hose.
Furthermore, the liquid outlet pipe of the liquid accumulation bag comprises a main liquid outlet pipe and at least two branch liquid outlet pipes, one end of the main liquid outlet pipe is connected with a liquid outlet of the liquid accumulation bag, the other end of the main liquid outlet pipe is respectively connected with one end of each branch liquid outlet pipe, and the other end of each branch liquid outlet pipe is connected with a liquid inlet of the liquid barrel;
the liquid outlet flow meter is arranged on the main liquid outlet pipe.
Furthermore, each liquid separating pipe is provided with a liquid discharging valve.
Furthermore, the intelligent monitor comprises a liquid amount calculating unit, a liquid amount early warning unit and a uterus expansion pump control unit;
the liquid volume calculating unit is used for calculating the liquid volume in the uterine cavity of the patient according to the flow data uploaded by the flowmeter;
the liquid volume early warning unit is used for sending an early warning signal to medical staff when the liquid volume in the uterine cavity exceeds a set threshold value, and the set threshold value comprises a liquid volume too small threshold value and a liquid volume too large threshold value;
the uterus swelling pump control unit is used for adjusting working parameters of uterus swelling liquid poured into the uterine cavity according to the calculated liquid amount, and the working parameters comprise flushing pressure, flow speed and flow.
A hysteroscope operation liquid inlet and outlet amount monitoring method based on the hysteroscope operation liquid inlet and outlet amount monitoring system comprises the following steps:
s1, fixing the effusion bag at a required position;
s2, before hysteroscopy, determining the amount of liquid to be kept balanced in the uterine cavity of the patient;
s3, in the hysteroscopic operation process, injecting uterus swelling liquid into the uterine cavity according to default working parameters through a uterus swelling pump, recording the flow rate of the uterus swelling liquid flowing through the two flow meters in real time and uploading the uterus swelling liquid to an intelligent monitor;
s4, in the process of the hysteroscope operation, calculating the current liquid amount in the uterine cavity based on the uterine distention liquid flow information received by the intelligent monitor, and judging whether the current liquid amount meets the requirement of keeping the balance of the liquid amount;
if yes, go to step S7;
if not, go to step S5;
s5, based on the current liquid amount in the uterine cavity, working parameters of the uterine expansion pump are adjusted through intelligent control, the uterine expansion pump is enabled to continuously fill the uterine expansion liquid into the uterine cavity according to the adjusted working parameters, the liquid amount in the uterine cavity is adjusted to be in a balanced state, and the step S7 is entered;
s6, repeating the steps S3-S5, and controlling the uterus expansion pump to fill uterus expansion liquid into the uterine cavity according to the set working parameters through the intelligent controller until the hysteroscopy operation is completed;
s7, continuously filling the uterus expanding liquid into the uterine cavity through the uterus expanding pump until the hysteroscopic operation is completed.
Further, the working parameters of the uterine expansion pump in the step S3 include flushing pressure, flow rate and flow rate;
in step S4, the current fluid volume V in the uterine cavity is:
V＝VI-VO-VS
in the formula, VOFlow data, V, measured by a flow meter located in the drain pipe of the liquid accumulation bagIFlow data, V, measured by a flow meter located on the hysteroscope inlet tubeSAnd (4) measuring the liquid loss data of the adhesion in the liquid accumulation bag and each pipeline in advance.
The invention has the beneficial effects that:
(1) the liquid amount in the uterine cavity is calculated through the flowmeter, and meanwhile, the liquid adhered in each pipeline connected with the hysteroscope is considered, so that the perfusion of the uterine distention liquid is accurately controlled, and the liquid balance in the uterine cavity is more accurately ensured;
(2) through the arrangement of the detachable waste liquid filter pipe, when impurities such as blood clots in the discharged waste liquid in the hysteroscopic operation process are excessive and block the discharge of the uterine bleeding liquid, the filter pipe can be rapidly detached to pour out the blood clots, so that the waste liquid is prevented from being accumulated in the effusion bag to influence the subsequent calculation of the liquid amount in the uterine cavity;
(3) the arrangement that one liquid accumulation bag is connected with a plurality of liquid barrels can ensure the complete collection of waste liquid and meet the metering requirements of different operations; the setting of check valve can prevent effectively that the waste liquid from flowing out in the hydrops bag, but the exclusive use also can use with the pipe clamp cooperation.
Drawings
Fig. 1 is a schematic structural view of a hysteroscope operation fluid inlet and outlet amount monitoring system provided by the invention.
FIG. 2 is a flow chart of the method for monitoring the liquid inflow and outflow in the hysteroscope operation provided by the invention.
Wherein: 1. uterus expanding liquid bag; 2. a hysteroscope liquid inlet tube; 3. a liquid inlet flow meter; 4. a uterus expanding pump; 5. a hysteroscope; 6. a liquid accumulation bag; 7. a liquid outlet flow meter; 8. a main liquid outlet pipe; 9. a liquid separating pipe; 10. a liquid barrel; 11. an upper hose; 12. a lower hose; 13. filtering with a screen; 14. buckling; 15. a seal ring; 16. and a liquid discharge valve.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the invention as defined and defined in the appended claims, and all matters produced by the invention using the inventive concept are protected.
Example 1:
as shown in fig. 1, a hysteroscope operation fluid inlet and outlet amount monitoring system comprises a uterus swelling liquid bag 1, a uterus swelling pump 4, a hysteroscope 5, a effusion bag 6, a liquid barrel 10, a fluid inlet flow meter 3, a fluid outlet flow meter 7 and an intelligent monitor;
the liquid outlet of the uterus expansion liquid bag 1 is connected with the liquid inlet of a uterus expansion pump 4 through a hysteroscope liquid inlet pipe 2, the liquid outlet of the uterus expansion pump 4 is connected with the water inlet of a hysteroscope 5, and the water outlet of the hysteroscope 5 is connected with the collection port of a liquid accumulation bag 6 through a hysteroscope liquid outlet pipe;
the liquid outlet of the liquid accumulation bag 6 is connected with at least one liquid barrel 10 through a liquid accumulation bag liquid outlet pipe;
the liquid inlet flowmeter 3 is arranged on the liquid inlet pipe 2 of the hysteroscope, and the liquid outlet flowmeter 7 is arranged on the liquid outlet pipe of the liquid accumulation bag;
the liquid inlet flow meter 3, the liquid outlet flow meter 7 and the uterus expanding pump 4 are all connected with an intelligent monitor.
The uterus expanding liquid bag 1 in the embodiment is used for containing uterus expanding liquid required by a hysteroscope 5 operation of a patient, and the commonly used uterus expanding liquid comprises 5% glucose solution, 5% mannitol solution, glycine and the like;
the uterus expanding pump 4 is used for installing uterus expanding liquid with set flushing pressure, flow rate and infusing the uterus expanding liquid into the uterus cavity through the hysteroscope 5 according to the control of the intelligent monitor, and in addition, the intelligent controller can adjust the working parameters of the uterus expanding pump 4 according to the flow data measured by the flow meter;
the hysteroscope 5 is used as an instrument for completing the hysteroscope operation of the patient;
the liquid accumulation bag 6 and the liquid barrel 10 are matched for use and used for collecting waste liquid discharged by a patient in the process of a hysteroscope operation, wherein the liquid accumulation bag 6 directly collects the waste liquid discharged by the patient, the waste liquid comprises blood, uterine cavity liquid accumulation and blood clot impurities, the liquid barrel 10 collects the filtered waste liquid, and the blood clot and other impurities cannot enter the liquid barrel 10;
the liquid inlet flow meter 3 and the liquid outlet flow meter 7 are in communication connection with the intelligent monitor through WIFI or Bluetooth and are used for recording the amount of the uterus swelling liquid flowing through the hysteroscope liquid inlet pipe 2 and the liquid accumulation bag liquid outlet pipe and transmitting the uterus swelling liquid to the intelligent monitor;
the intelligent monitor is used for calculating the liquid amount entering the uterine cavity of the patient in real time according to the uterine swelling liquid amount uploaded by the flow meter, further controlling the work of the uterine swelling pump 4 to keep the liquid in the uterine cavity balanced, and subtracting the data measured by the liquid outlet flow meter 7 from the data measured by the liquid inlet flow meter 3 to obtain the data of the liquid in the uterine cavity and the data of the liquid adhered to the pipeline.
A detachable waste liquid filter pipe is arranged between a liquid outlet of the liquid accumulation bag 6 and a liquid outlet pipe of the liquid accumulation bag in the figure 1; the waste liquid filter pipe comprises an upper hose 11 and a lower hose 12; the edge of the upper end of the upper hose 11 is in integral sealing connection with the edge of the liquid outlet end of the liquid accumulation bag 6, the lower end of the upper hose 11 is detachably connected with the upper end of the lower hose 12, and the lower end of the lower hose 12 is in integral sealing connection with the liquid inlet of the liquid accumulation bag liquid outlet pipe; a plurality of buckles 14 are uniformly arranged on the edge of the inner side of the upper end of the lower hose 11, and a layer of filter screen 13 is laid on the buckles 14;
the waste liquid filter pipe is detachable, so that waste liquid directly discharged by a patient is overflowed, discharged fixed waste such as blood clots is intercepted, when the hysteroscope operation time is too long, discharged solid waste such as blood clots is too much to block liquid from flowing into the liquid barrel, and further the balance of the liquid volume of body fluid is influenced, the waste liquid filter pipe can be detached through the detachable structure, the solid waste such as blood clots is poured out, and then the waste liquid filter pipe is reconnected to ensure the smooth proceeding of subsequent operation; wherein, the detachable structure can be a spiral screwing structure or a buckle pressing structure and the like; in addition, a layer of sealing ring 15 is arranged at the joint of the inner side edge of the lower end of the upper hose 11 and the lower hose 12 to ensure that the detachable structure does not influence the liquid collection.
The liquid outlet pipe of the liquid accumulation bag in the embodiment comprises a main liquid outlet pipe 8 and at least two branch liquid outlet pipes 9, one end of the main liquid outlet pipe 8 is connected with a liquid outlet of the liquid accumulation bag 6, the other end of the main liquid outlet pipe 8 is respectively connected with one end of each branch liquid outlet pipe 9, and the other end of each branch liquid outlet pipe 9 is connected with a liquid inlet of a liquid barrel 10; the liquid outlet flow meter 7 is arranged on the main liquid outlet pipe 8; by arranging the liquid barrels 10, the complete collection of waste liquid can be ensured, and different operation metering requirements can be met; in addition, each branch liquid outlet pipe 8 is provided with a liquid outlet valve, and the branch liquid outlet pipes 8 are provided with liquid outlet valves 16, so that waste liquid can be effectively prevented from flowing back from the liquid barrel 10, and the liquid barrel can be used independently or matched with pipe clamps.
The intelligent monitor in the embodiment is used as a control structure of the invention and comprises a liquid amount calculation unit, a liquid amount early warning unit and a uterus expansion pump control unit;
the liquid volume calculating unit is used for calculating the liquid volume in the uterine cavity of the patient according to the flow data uploaded by the flowmeter; the liquid volume early warning unit is used for sending an early warning signal to medical staff when the liquid volume in the uterine cavity exceeds a set threshold value so as to remind the medical staff to carry out corresponding treatment, and the set threshold value comprises a liquid volume too-small threshold value and a liquid volume too-large threshold value; the uterine distention pump control unit is used for adjusting working parameters of uterine distention liquid poured into the uterine cavity according to the calculated liquid amount, and the working parameters comprise flushing pressure, flow speed and flow.
Example 2:
as shown in fig. 2, a method for monitoring the liquid amount in and out of the hysteroscope operation based on the system for monitoring the liquid amount in and out of the hysteroscope operation in embodiment 1 includes the following steps:
s1, fixing the effusion bag at a required position;
specifically, the effusion bag can be fixed between the roots of the thighs of the patient through a fixing bandage or a through hole for the legs to pass through, so that the waste liquid collecting effect is ensured;
s2, before hysteroscopy, determining the amount of liquid to be kept balanced in the uterine cavity of the patient;
s3, in the hysteroscopic operation process, injecting uterus swelling liquid into the uterine cavity according to default working parameters through a uterus swelling pump, recording the flow rate of the uterus swelling liquid flowing through the two flow meters in real time and uploading the uterus swelling liquid to an intelligent monitor;
s4, in the process of the hysteroscope operation, calculating the current liquid amount in the uterine cavity based on the uterine distention liquid flow information received by the intelligent monitor, and judging whether the current liquid amount meets the requirement of keeping the balance of the liquid amount;
if yes, go to step S7;
if not, go to step S5;
s5, based on the current liquid amount in the uterine cavity, working parameters of the uterine expansion pump are adjusted through intelligent control, the uterine expansion pump is enabled to continuously fill the uterine expansion liquid into the uterine cavity according to the adjusted working parameters, the liquid amount in the uterine cavity is adjusted to be in a balanced state, and the step S7 is entered;
s6, repeating the steps S3-S5, and controlling the uterus expansion pump to fill uterus expansion liquid into the uterine cavity according to the set working parameters through the intelligent controller until the hysteroscopy operation is completed;
s7, continuously filling the uterus expanding liquid into the uterine cavity through the uterus expanding pump until the hysteroscopic operation is completed.
Specifically, the working parameters of the uterine expansion pump in the step S3 include the flushing pressure, the flow rate and the flow rate;
in step S4, the current volume V of the fluid in the uterine cavity is:
V＝VI-VO-VS
in the formula, VOFlow data, V, measured by a flow meter located in the drain pipe of the liquid accumulation bagIFlow data, V, measured by a flow meter located on the hysteroscope inlet tubeSAnd (4) measuring the liquid loss data of the adhesion in the liquid accumulation bag and each pipeline in advance.
Claims (9)
1. A hysteroscope operation liquid inlet and outlet amount monitoring system is characterized by comprising a uterus swelling liquid bag (1), a uterus swelling pump (4), a hysteroscope (5), a liquid accumulation bag (6), a liquid barrel (10), a liquid inlet flow meter (3), a liquid outlet flow meter (7) and an intelligent monitor;
the liquid outlet of the uterus expanding liquid bag (1) is connected with the liquid inlet of the uterus expanding pump (4) through a hysteroscope liquid inlet pipe (2), the liquid outlet of the uterus expanding pump (4) is connected with the water inlet of the hysteroscope (5), and the water outlet of the hysteroscope (5) is connected with the collection port of the effusion bag (6) through a hysteroscope liquid outlet pipe;
the liquid outlet of the liquid accumulation bag (6) is connected with at least one liquid barrel (10) through a liquid outlet pipe of the liquid accumulation bag;
the liquid inlet flowmeter (3) is arranged on the hysteroscope liquid inlet pipe (2), and the liquid outlet flowmeter (7) is arranged on the liquid outlet pipe of the liquid accumulation bag;
the liquid inlet flow meter (3), the liquid outlet flow meter (7) and the uterus expanding pump (4) are all connected with the intelligent monitor.
2. The hysteroscopic operation fluid inlet and outlet amount monitoring system according to claim 1, wherein the uterus swelling liquid bag (1) is used for containing uterus swelling liquid required by the hysteroscopic operation of the patient;
the uterus swelling pump (4) is used for filling uterus swelling liquid with set flushing pressure, flow rate and flow into a uterus cavity through the hysteroscope (5) according to the control of the intelligent monitor;
the hysteroscope (5) is used as an instrument for completing the hysteroscope operation of the patient;
the liquid accumulation bag (6) is matched with the liquid barrel (10) for use and is used for collecting waste liquid discharged by a patient in the hysteroscope operation process;
the liquid inlet flow meter (3) and the liquid outlet flow meter (7) are in communication connection with the intelligent monitor through WIFI or Bluetooth, and are used for recording the amount of uterus swelling liquid flowing through the hysteroscope liquid inlet pipe (2) and the liquid outlet pipe of the liquid accumulation bag and transmitting the amount of uterus swelling liquid to the intelligent monitor;
the intelligent monitor is used for calculating the liquid amount entering the uterine cavity of the patient in real time according to the uterine swelling liquid amount uploaded by the flowmeter, and further controlling the work of the uterine swelling pump (4) to keep the liquid in the uterine cavity balanced.
3. The hysteroscopic surgery fluid inlet and outlet amount monitoring system according to claim 1, wherein a detachable waste liquid filtering tube is arranged between the liquid outlet of the liquid accumulation bag (6) and the liquid outlet pipe of the liquid accumulation bag;
the waste liquid filter pipe comprises an upper hose (11) and a lower hose (12);
the edge of the upper end of the upper hose (11) is in integral sealing connection with the edge of the liquid outlet end of the liquid accumulation bag (6), the lower end of the upper hose (11) is detachably connected with the upper end of the lower hose (12), and the lower end of the lower hose (12) is in integral sealing connection with the liquid inlet of the liquid accumulation bag liquid outlet pipe;
the inner side edge of the upper end of the lower hose (12) is evenly provided with a plurality of buckles (14), and a layer of filter screen (13) is paved on the buckles (14).
4. The hysteroscope surgical fluid output monitoring system according to claim 3, wherein a layer of sealing ring (15) is arranged at the joint of the inner side edge of the lower end of the upper hose (11) and the lower hose (12).
5. The hysteroscopic operation fluid inlet and outlet amount monitoring system according to claim 1, wherein the fluid accumulation bag liquid outlet pipe comprises a main liquid outlet pipe (8) and at least two branch liquid outlet pipes (9), one end of the main liquid outlet pipe (8) is connected with a fluid outlet of the fluid accumulation bag (6), the other end of the main liquid outlet pipe (8) is respectively connected with one end of each branch liquid outlet pipe (9), and the other end of each branch liquid outlet pipe (9) is connected with a fluid inlet of a fluid barrel (10);
the liquid outlet flow meter (7) is arranged on the main liquid outlet pipe (8).
6. The hysteroscopic operation fluid input and output amount monitoring system according to claim 5, wherein each of the branch fluid pipes (9) is provided with a fluid discharge valve (16).
7. The hysteroscopic surgery fluid output monitoring system of claim 1, wherein the intelligent monitor comprises a fluid amount calculating unit, a fluid amount early warning unit and a uterus expansion pump control unit;
the liquid volume calculating unit is used for calculating the liquid volume in the uterine cavity of the patient according to the flow data uploaded by the flowmeter;
the liquid volume early warning unit is used for sending an early warning signal to medical staff when the liquid volume in the uterine cavity exceeds a set threshold value, and the set threshold value comprises a liquid volume too small threshold value and a liquid volume too large threshold value;
the uterus swelling pump control unit is used for adjusting working parameters of uterus swelling liquid poured into the uterine cavity according to the calculated liquid amount, and the working parameters comprise flushing pressure, flow speed and flow.
8. A hysteroscopic operation fluid inlet and outlet amount monitoring method based on the hysteroscopic operation fluid inlet and outlet amount monitoring system of claims 1-7, which is characterized by comprising the following steps:
s1, fixing the effusion bag at a required position;
s2, before hysteroscopy, determining the amount of liquid to be kept balanced in the uterine cavity of the patient;
s3, in the hysteroscopic operation process, injecting uterus swelling liquid into the uterine cavity according to default working parameters through a uterus swelling pump, recording the flow rate of the uterus swelling liquid flowing through the two flow meters in real time and uploading the uterus swelling liquid to an intelligent monitor;
s4, in the process of the hysteroscope operation, calculating the current liquid amount in the uterine cavity based on the uterine distention liquid flow information received by the intelligent monitor, and judging whether the current liquid amount meets the requirement of keeping the balance of the liquid amount;
if yes, go to step S7;
if not, go to step S5;
s5, based on the current liquid amount in the uterine cavity, working parameters of the uterine expansion pump are adjusted through intelligent control, the uterine expansion pump is enabled to continuously fill the uterine expansion liquid into the uterine cavity according to the adjusted working parameters, the liquid amount in the uterine cavity is adjusted to be in a balanced state, and the step S7 is entered;
s6, repeating the steps S3-S5, and controlling the uterus expansion pump to fill uterus expansion liquid into the uterine cavity according to the set working parameters through the intelligent controller until the hysteroscopy operation is completed;
s7, continuously filling the uterus expanding liquid into the uterine cavity through the uterus expanding pump until the hysteroscopic operation is completed.
9. The hysteroscopic surgery fluid inlet and outlet amount monitoring method according to claim 8, wherein the working parameters of the uterine expansion pump in the step S3 include flushing pressure, flow rate and flow rate;
in step S4, the current fluid volume V in the uterine cavity is:
V＝VI-VO-VS
in the formula, VOFlow data, V, measured by a flow meter located in the drain pipe of the liquid accumulation bagIFlow data, V, measured by a flow meter located on the hysteroscope inlet tubeSAnd (4) measuring the liquid loss data of the adhesion in the liquid accumulation bag and each pipeline in advance.
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| CN113739887A (en) * | 2021-07-21 | 2021-12-03 | 英姿医疗科技(苏州)有限公司 | Liquid injection monitoring and controlling method, device and system |
| CN115413995A (en) * | 2022-08-10 | 2022-12-02 | 深圳市妇幼保健院 | Voice alarm liquid retention amount metering device and method for hysteroscope water inlet and outlet monitoring |
| CN115429208A (en) * | 2022-11-03 | 2022-12-06 | 杭州思康新医疗科技有限公司 | Hysteroscope |
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