CN113926025A - Medical fluid injection method and medical fluid injection system - Google Patents
Medical fluid injection method and medical fluid injection system Download PDFInfo
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- CN113926025A CN113926025A CN202111084388.4A CN202111084388A CN113926025A CN 113926025 A CN113926025 A CN 113926025A CN 202111084388 A CN202111084388 A CN 202111084388A CN 113926025 A CN113926025 A CN 113926025A
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- 238000002347 injection Methods 0.000 title claims abstract description 197
- 239000007924 injection Substances 0.000 title claims abstract description 197
- 239000012530 fluid Substances 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000007639 printing Methods 0.000 claims abstract description 11
- 238000002601 radiography Methods 0.000 claims abstract description 8
- 239000008280 blood Substances 0.000 claims description 22
- 210000004369 blood Anatomy 0.000 claims description 22
- 239000002872 contrast media Substances 0.000 claims description 13
- 230000036772 blood pressure Effects 0.000 claims description 11
- 238000003384 imaging method Methods 0.000 claims description 11
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 239000000243 solution Substances 0.000 description 7
- 210000004556 brain Anatomy 0.000 description 5
- 239000003814 drug Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 210000004072 lung Anatomy 0.000 description 2
- 230000002685 pulmonary effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
-
- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/60—General characteristics of the apparatus with identification means
- A61M2205/6009—General characteristics of the apparatus with identification means for matching patient with his treatment, e.g. to improve transfusion security
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/60—General characteristics of the apparatus with identification means
- A61M2205/6063—Optical identification systems
- A61M2205/6072—Bar codes
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- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a medical fluid injection method and a medical fluid injection system, wherein the injection method comprises the following steps: s1, acquiring characteristic information of the patient in a non-manual input mode, wherein the characteristic information comprises an examination part to be subjected to radiography and also comprises individual information of the patient; s2, generating a two-dimensional code or a bar code according to the characteristic information, and printing to obtain a paper label; s3, sticking the label on the needle cylinder; s4, reading the label information on the needle cylinder by using a code scanner; s5, inputting the read label information into a control system of the injector by the code scanner, wherein the control system comprises a processor and a database, a plurality of injection schemes are prestored in the database, and each injection scheme comprises a characteristic information group and an associated injection parameter model; and S6, the processor calls an injection scheme matched with the characteristic information of the current patient from the database according to preset rules. The system of the invention can effectively reduce the workload of repeated parameter input of technicians and intelligently match injection schemes.
Description
Technical Field
The invention relates to the field of medical equipment, in particular to a medical fluid injection method and a medical fluid injection system.
Background
The high-pressure injection system is an injector for injecting contrast medium during contrast examination, and the contrast of tissues is enhanced by injecting the contrast medium according to a set program, so that the resolution of lesions and the accuracy of diagnosis are improved.
The operation steps of the existing syringe-based high-pressure injection system are as follows: firstly, mounting a needle cylinder on a high-pressure injector; secondly, inserting one end of the medicine suction pipe into the front end of the needle cylinder; inserting the other end of the medicine suction pipe into the medicine liquid container; fourthly, the push rod of the high-pressure injector is controlled by a key to pull the piston of the needle cylinder to suck the liquid medicine into the needle cylinder; the system automatically judges whether air remains in the syringe and exhausts the air; sixthly, connecting the patient to perform trial injection and automatically injecting according to the set program.
In the above operation step, the patient comes to the control room, the technician or nurse inputs detailed information on the control host of the scanning device according to the condition of the patient to form the worklist of the scanning device, and then inputs the operating parameters of the high-pressure injector on the control console of the high-pressure injector. The prior art has at least the following defects:
firstly, the injection dosage of the contrast agent is determined by a technician or a nurse, the contrast imaging quality is influenced by the underdosage, unnecessary harm is caused to the human body by the overhigh dosage, and therefore, higher requirements are put on the technology and experience of the technician or the nurse;
secondly, the technician or nurse needs to input the injection parameters manually, which increases the workload, reduces the inspection efficiency, has the risk of inputting errors and has difficulty in correcting the errors;
thirdly, the contrast agents at different examination parts such as the brain, the heart, the liver, the lung and the like are greatly different, and a general technician does not have the capability of performing medical research on different examination parts, so that setting the respectively suitable injection parameters aiming at different examination parts is extremely difficult;
fourth, the contrast agent injection conditions (including different injection doses, injection flow rates) can have an impact on the contrast imaging, however, this impact, especially the negative impact, cannot be fed back to adjust the improved injection protocol;
fifth, although it has been recognized that the corresponding contrast injection protocol needs to be adjusted according to the height of the individual patient, or given by a physician, the corresponding parameters still need to be manually entered by a technician or nurse.
Disclosure of Invention
In order to solve the problems of the prior art, the invention provides a medical fluid injection method and a medical fluid injection system, which do not need a technician or a nurse to manually input injection parameters and form a feedback adjustment mechanism of contrast imaging results to a contrast injection scheme, and the technical scheme is as follows:
in one aspect, the present invention provides a medical fluid injection method for injecting a contrast medium into a patient to be contrasted without manually inputting characteristic information of the patient, the injection method including the steps of:
s1, acquiring characteristic information of the patient in a non-manual input mode, wherein the characteristic information comprises an examination part to be contrasted and any one or more of height, weight, sex, age, blood pressure, blood sugar and blood viscosity of the patient;
s2, generating a two-dimensional code or a bar code according to the characteristic information, and printing the two-dimensional code or the bar code to obtain a paper label;
s3, adhering the paper label to a syringe, wherein the syringe is used for loading medical fluid;
s4, reading the label information of the paper label on the needle cylinder by utilizing a code scanner which is electrically connected with a control system of the injector in advance;
s5, inputting the read label information to a control system of the injector by the code scanner, wherein the control system comprises a processor and a database, a plurality of injection protocols are prestored in the database, each injection protocol comprises a characteristic information set and an associated injection parameter model, and each injection parameter model comprises at least one controllable injection parameter;
s6, the processor calls an injection scheme matched with the characteristic information of the current patient from the database according to preset rules;
and S7, the injector injects the current patient according to the injection parameters of the injection parameter model in the retrieved injection scheme.
Further, the paper label is pasted on the designated area on the needle cylinder in step S3;
the code scanner in step S4 is pre-loaded above the syringe, and during the process of mounting the syringe on the syringe, the code scanner can automatically read the paper label on the syringe.
Further, in step S6, if the processor does not retrieve the injection scheme matching with the characteristic information of the current patient from the database according to the preset rule, a prompt is sent to manually establish an adapted injection parameter model; and after the adaptive injection parameter model is manually established, an injection scheme is generated by combining the characteristic information of the current patient and is supplementarily written into the database.
Further, a control system of the injector is connected with a data reading interface, and the data reading interface is used for being electrically connected with an external removable storage medium;
before executing step S6, determining whether the data reading interface is plugged with an external removable storage medium, if not, executing steps S6-S7; if yes, executing the following steps:
the processor calls an injection scheme matched with the characteristic information of the current patient from the external movable storage medium according to a preset rule, and if the calling is successful, the injector injects the current patient according to the injection parameters of the injection parameter model in the called injection scheme; if the call fails, steps S6-S7 are performed.
Further, step S6 includes: searching a characteristic information group matched with the characteristic information of the current patient in the database according to a preset rule, wherein the characteristic information group comprises information of an examined part and one or more of height, weight, sex, age, blood pressure, blood sugar and blood viscosity, and comprises the following steps:
firstly, searching a characteristic information group with the same examination part as the examination part to be contrasted of the current patient in the database, and then searching a characteristic information group with a difference value smaller than a preset threshold value with other characteristic information values of the current patient in the searched characteristic information group to obtain a matched characteristic information group and an injection scheme thereof.
Further, if more than one characteristic information group matched with the characteristic information of the current patient is found in the database, one corresponding injection scheme is randomly selected as a matched injection scheme; or,
and sequentially calculating the difference value between each characteristic information group and the characteristic information of the current patient according to the weight value of each type of characteristic information, and selecting the injection scheme corresponding to the characteristic information group with the minimum difference value as the matched injection scheme.
Further, step S1 includes: the characteristic information of the patient is obtained through the electronic medical record of the patient.
Further, the injection parameter model comprises one or more of injection dosage, pressure, flow rate and flow rate.
Further, after step S7, the method further includes: and judging whether the imaging result of the actual radiography is qualified or not, and if not, correcting the currently executed injection parameter model in the database.
In another aspect, the present invention provides a medical fluid injection system, comprising an injector, a control system, and a code scanner electrically connected to the control system, wherein the control system comprises a processor and a database, wherein the database has a plurality of injection protocols pre-stored therein, each injection protocol comprising a characteristic information set and an associated injection parameter model, each injection parameter model comprising at least one controllable injection parameter;
the code scanner is used for scanning the label on the syringe to obtain the characteristic information of the current patient and sending the characteristic information to the processor of the control system, wherein the characteristic information comprises any one or more of the height, weight, sex, age, blood pressure, blood sugar and blood viscosity of the part to be examined by radiography and/or the patient;
the processor calls an injection scheme matched with the characteristic information of the current patient from the database according to a preset rule; and the injector injects the current patient according to the injection parameters of the injection parameter model in the called injection scheme.
Further, the medical fluid injection system further comprises a data reading interface for electrical connection with an external removable storage medium, the data reading interface being electrically connected with a processor of the control system.
Further, the medical fluid injection system further comprises a label printing device which is networked with the electronic medical record system, and the label printing device acquires the characteristic information of the patient through the electronic medical record of the current patient, converts the characteristic information into a two-dimensional code or a bar code form and prints the two-dimensional code or the bar code form to obtain a paper label.
The technical scheme provided by the invention has the following beneficial effects:
a. various parameters are not required to be manually input by technicians or nurses, so that the workload is reduced, and the examination efficiency is improved;
b. a big data acquisition system is formed, and a contrast agent injection scheme can be adjusted through the quality feedback of contrast imaging so as to continuously optimize big data;
c. the data interface is opened for each doctor, the own database of the doctor can be adopted to match the injection scheme, and the special research of the doctors in each department is facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic flow chart of a first medical fluid injection method provided by an exemplary embodiment of the present disclosure;
FIG. 2 is a flow chart schematic of a second medical fluid injection method provided by an exemplary embodiment of the present disclosure;
fig. 3 is a schematic block diagram of a medical fluid injection system provided by an exemplary embodiment of the present disclosure;
fig. 4 is a schematic structural view of a needle cylinder to which a paper label is attached according to an exemplary embodiment of the present disclosure;
fig. 5 is a schematic diagram of an optical path of a barcode scanner scanning a paper label according to an exemplary embodiment of the present disclosure.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, apparatus, article, or device that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or device.
In one embodiment of the present invention, there is provided a medical fluid injection method without manually inputting characteristic information of a patient to be contrasted before injecting a contrast medium into the patient, referring to fig. 1, the injection method including the steps of:
and S1, acquiring characteristic information of the patient in a non-manual input mode, wherein the characteristic information comprises the part to be examined and any one or more of height, weight, sex, age, blood pressure, blood sugar and blood viscosity of the patient.
Specifically, the non-manual input mode means that information does not need to be manually input item by item, for example, the following technical solutions can be implemented: the patient is on a doctor, a doctor develops an examination order for pulmonary radiography in an electronic medical record of the patient, and the patient obtains a list of bar codes after paying by the examination order; the patient holds the sheet and comes to a control room outside the examination room, the sheet is scanned on a printer in the control room, and the printer is networked to acquire the electronic medical record (including characteristic information and other information) of the patient so as to acquire corresponding characteristic information.
And S2, generating a two-dimensional code or a bar code according to the characteristic information, and printing the two-dimensional code or the bar code to obtain a paper label.
Specifically, the printer acquires the required characteristic information from the electronic medical record, and then prints the characteristic information into a paper label in the form of a two-dimensional code or a bar code or other codes in a scannable mode, preferably a label attached to release paper by using a back adhesive tape.
And S3, adhering the paper label to a syringe, wherein the syringe is used for loading medical fluid.
Specifically, the patient holds the label to enter an examination room, and the label is attached to the needle cylinder after the release paper is peeled off by an examining physician.
And S4, reading the label information of the paper label on the syringe by using a code scanner which is electrically connected with a control system of the injector in advance.
One possible solution is to send the cylinder to a code scanner for scanning, another possible solution is to scan the cylinder with a movable code scanner, and yet another possible solution is to mount the code scanner in a position above the injector, which allows the code scanner to automatically read the paper label on the cylinder during the mounting of the cylinder to the injector.
Some high-pressure injectors have a structure that a needle cylinder is arranged: the needle cylinder 1 is installed at a specified position and then rotated until a certain reference point on the needle cylinder rotates to a certain angle, that is, the needle cylinder 1 is clamped, for such a high-pressure injector, in order to enable the paper label on the needle cylinder 1 in the clamped state to be read by the code scanner 2, in step S3, the paper label needs to be pasted on a specified area on the needle cylinder 1, for example, a blank area is set on the needle cylinder 1 with reference to fig. 4, or a relevant indication is marked, so that after the installation of the needle cylinder 1 is completed, the two-dimensional code on the needle cylinder 1 is directly opposite to the code scanner 2, or as shown in fig. 5, the two-dimensional code on the needle cylinder 1 after the installation is directly opposite to the reflector 3, and information of the two-dimensional code is transmitted to the code scanner 2 through light path reflection.
And S5, inputting the read label information into a control system of the injector by the code scanner, wherein the control system comprises a processor and a database, a plurality of injection protocols are prestored in the database, each injection protocol comprises a characteristic information set and an associated injection parameter model, and each injection parameter model comprises at least one controllable injection parameter.
Specifically, the controllable injection parameter is one or more of injection dosage, pressure, flow rate and flow rate; the characteristic information group comprises information of an examined part and also comprises one or more of height, weight, sex, age, blood pressure, blood sugar and blood viscosity;
the database is a readable and writable database, for example, the database may be initially a blank database into which injection protocols are subsequently written, the characteristic information groups take height, sex and age as examples, and the injection protocols include: 164cm in height, female, 35 years old, lung examination, with contrast agent injection parameters of 100ml dose and 20ml/s flow (this is by way of example only and not as medical data). A wide variety of injection protocols are available in the database.
And S6, the processor calls an injection scheme matched with the characteristic information of the current patient from the database according to preset rules.
The preset rule mentioned here may specifically be: firstly, searching a characteristic information group with the same examination part as the examination part to be contrasted of the current patient in the database, and then searching a characteristic information group with a difference value smaller than a preset threshold value with other characteristic information values of the current patient in the searched characteristic information group to obtain a matched characteristic information group and an injection scheme thereof.
Such as:
currently, the height of a patient is 177cm, the height of the patient is male, the height of the patient is 36 years old, the examination part is a brain, in the process of matching the injection scheme, the injection scheme of which the examination part is not the brain in the database is firstly excluded, the injection scheme of which the female part is female is excluded, then for example, the age value is matched with the floating value of 1 year old, the height is matched with the floating value of 2cm, the injection scheme of which the age is less than 35 years old or more than 37 years old is excluded, and the injection scheme of which the height is less than 175cm or more than 179cm is excluded, so that the rest matching injection scheme is obtained. Except for the case where the remaining matched injection protocol is exactly one, the following two more cases occur:
the first case is matching to more than one injection protocol, and then one of the injection protocols may be selected according to a set strategy, for example, randomly, or (in a certain weight calculation manner), a closer injection party is selected from the injection protocols, and the characteristic information set includes two kinds of characteristic information, namely height (cm) and age (month), besides the examination location (and sex), the weight values of the two are 0.8 and 0.2, for example, the first injection protocol is related to height 175cm, male, age 35.5, the examination location is a characteristic information set of the brain, and the difference between the characteristic information set and the characteristic information of the current patient is 0.8 × 2+0.2 × 6 ═ 2.8; the second injection scheme is related to the height of 178cm, male, age 37, and the examination part is a characteristic information group of the brain, and the difference between the characteristic information group and the characteristic information of the current patient is 0.8 × 1+0.2 × 12-3.2; in contrast, the difference of the first is small, and the first injection protocol may be preferred.
In the second case, there is no matching injection protocol, i.e. the injection protocols in the database are all excluded during the above exclusion process, in which case a prompt, such as a voice prompt and/or a light prompt, may be issued that requires manual establishment of an adapted injection parameter model; after the adaptive injection parameter model is manually established, an injection scheme is generated by combining the characteristic information of the current patient and is additionally written into the database, so that the database content is more and more abundant.
And S7, the injector injects the current patient according to the injection parameters of the injection parameter model in the retrieved injection scheme. Specifically, the injection is performed on the patient under the condition that residual air is exhausted according to injection parameters on the premise that a syringe is installed at a specified position of the injector equipment.
In another embodiment of the present invention, another medical fluid injection method is provided, which is the same as the previous embodiment in steps S1-S5, and on the basis of the hardware of the previous embodiment, the processor of the control system of the injector of the present embodiment is connected with a data reading interface, which is used for electrically connecting with an external removable storage medium; referring to fig. 2, the corresponding injection method comprises the following steps:
s1, acquiring characteristic information of the patient in a non-manual input mode, wherein the characteristic information comprises an examination part to be contrasted and any one or more of height, weight, sex, age, blood pressure, blood sugar and blood viscosity of the patient;
s2, generating a two-dimensional code or a bar code according to the characteristic information, and printing the two-dimensional code or the bar code to obtain a paper label;
s3, adhering the paper label to a syringe, wherein the syringe is used for loading medical fluid;
s4, reading the label information of the paper label on the needle cylinder by utilizing a code scanner which is electrically connected with a control system of the injector in advance;
s5, inputting the read label information to a control system of the injector by the code scanner, wherein the control system comprises a processor;
and judging whether the data reading interface is plugged with an external movable storage medium, if so, calling an injection scheme matched with the characteristic information of the current patient from the external movable storage medium by the processor according to a preset rule, and if the calling is successful, injecting the current patient by the injector according to the injection parameters of the injection parameter model in the called injection scheme, and ending.
The above may be for a database-less control system, using only an external removable storage medium, such as a usb-disk or SD card, etc., as a carrier for storing the injection protocol.
On the basis of the embodiment, the control system further comprises a database, wherein a plurality of injection protocols are prestored in the database, each injection protocol comprises a characteristic information set and an associated injection parameter model, and each injection parameter model comprises at least one controllable injection parameter; under this condition, if it is not detected that the interface extrapolates the removable storage medium, or that there is no matching injection protocol in the extrapolated removable storage medium, the process continues to execute S6-S7:
s6, the processor calls an injection scheme matched with the characteristic information of the current patient from the database according to preset rules;
and S7, the injector injects the current patient according to the injection parameters of the injection parameter model in the retrieved injection scheme.
For the above two different embodiments, after the injection of the contrast medium and the scan imaging are completed, it may be determined whether the imaging result of the actual contrast medium is qualified, and if the imaging result is not qualified, the currently executed injection parameter model is corrected in the database, for example, if the imaging is not clear enough, the dose value in the currently used injection parameter model may be attempted to be increased.
In one embodiment of the present invention, a medical fluid injection system is provided, see fig. 3, comprising an injector, a control system, a code scanner electrically connected to the control system, wherein the control system comprises a processor and a database, wherein the database has a plurality of injection protocols pre-stored therein, each injection protocol comprising a set of characteristic information and associated injection parameter models, each injection parameter model comprising at least one controllable injection parameter;
the code scanner is used for scanning the label on the syringe to obtain the characteristic information of the current patient and sending the characteristic information to the processor of the control system, wherein the characteristic information comprises any one or more of the height, weight, sex, age, blood pressure, blood sugar and blood viscosity of the part to be examined by radiography and/or the patient;
the processor calls an injection scheme matched with the characteristic information of the current patient from the database according to a preset rule; and the injector injects the current patient according to the injection parameters of the injection parameter model in the called injection scheme.
Further, the medical fluid injection system further comprises a data reading interface for electrical connection with an external removable storage medium, the data reading interface being electrically connected with a processor of the control system.
Further, the medical fluid injection system further comprises a label printing device which is networked with the electronic medical record system, and the label printing device acquires the characteristic information of the patient through the electronic medical record of the current patient, converts the characteristic information into a two-dimensional code or a bar code form and prints the two-dimensional code or the bar code form to obtain a paper label.
In one embodiment of the present invention, a medical contrast imaging system is provided, referring to fig. 3, which includes a scanning device, a control host and a medical fluid injection system as provided in the above embodiments, wherein the control host is configured to input scanning configuration information to the scanning device (a CT machine or other scanning device that needs to inject a contrast medium before scanning), including operating parameters of the scanning device (such as frequency, power, radiation dose, scanning speed) and characteristic information of a current patient, which together form a worklist; when a patient goes to a doctor, a doctor develops an examination order for pulmonary radiography in an electronic medical record of the patient, and the patient obtains a list of bar codes after paying by the examination order, wherein the bar codes comprise part or all information of the electronic medical record of the patient; the patient holds the sheet and goes to a control room outside the examination room, and a technician or nurse in the control room reads the sheet by using the code scanner, in a way that the reading content is displayed on a display connected with the code scanner and then is manually input into the control host, such as the working parameters (frequency, power, radiation dose and scanning speed) of the scanning device and the characteristic information of the patient, such as the examination part to be scanned and also any one or more of the height, the weight, the sex, the age, the blood pressure, the blood sugar and the blood viscosity of the patient;
the semi-manual input mode can also be adopted as follows: and performing data processing on the contents of the electronic medical record read by the code scanner, for example, extracting the contents required to be input into the control host, automatically inputting the contents into the control host, and then inputting the rest information which cannot be acquired through code scanning into the control host, so as to further reduce the workload of a technician or a nurse for inputting parameters on the control host.
The medical fluid injection system of the present embodiment and the medical fluid injection method of the above embodiments belong to the same concept, and the entire contents of the medical fluid injection method embodiment are incorporated into the medical fluid injection system embodiment by reference herein, which is not described again.
It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing is directed to embodiments of the present application and it is noted that numerous modifications and adaptations may be made by those skilled in the art without departing from the principles of the present application and are intended to be within the scope of the present application.
Claims (12)
1. A medical fluid injection method, characterized in that prior to injecting a contrast agent into a patient to be contrasted, there is no need to manually enter characteristic information of the patient, the injection method comprising the steps of:
s1, acquiring characteristic information of the patient in a non-manual input mode, wherein the characteristic information comprises an examination part to be contrasted and any one or more of height, weight, sex, age, blood pressure, blood sugar and blood viscosity of the patient;
s2, generating a two-dimensional code or a bar code according to the characteristic information, and printing the two-dimensional code or the bar code to obtain a paper label;
s3, adhering the paper label to a syringe, wherein the syringe is used for loading medical fluid;
s4, reading the label information of the paper label on the needle cylinder by utilizing a code scanner which is electrically connected with a control system of the injector in advance;
s5, inputting the read label information to a control system of the injector by the code scanner, wherein the control system comprises a processor and a database, a plurality of injection protocols are prestored in the database, each injection protocol comprises a characteristic information set and an associated injection parameter model, and each injection parameter model comprises at least one controllable injection parameter;
s6, the processor calls an injection scheme matched with the characteristic information of the current patient from the database according to preset rules;
and S7, the injector injects the current patient according to the injection parameters of the injection parameter model in the retrieved injection scheme.
2. The medical fluid injection method according to claim 1, wherein the paper label is stuck to a designated area on the cylinder in step S3;
the code scanner in step S4 is pre-loaded above the syringe, and during the process of mounting the syringe on the syringe, the code scanner can automatically read the paper label on the syringe.
3. The medical fluid injection method according to claim 1, wherein in step S6, if the processor does not retrieve the injection scheme matching with the characteristic information of the current patient from the database according to a preset rule, a prompt is issued to manually establish an adapted injection parameter model; and after the adaptive injection parameter model is manually established, an injection scheme is generated by combining the characteristic information of the current patient and is supplementarily written into the database.
4. The medical fluid injection method of claim 1, wherein a data reading interface is connected to the control system of the injector for electrical connection with an external removable storage medium;
before executing step S6, determining whether the data reading interface is plugged with an external removable storage medium, if not, executing steps S6-S7; if yes, executing the following steps:
the processor calls an injection scheme matched with the characteristic information of the current patient from the external movable storage medium according to a preset rule, and if the calling is successful, the injector injects the current patient according to the injection parameters of the injection parameter model in the called injection scheme; if the call fails, steps S6-S7 are performed.
5. The medical fluid injection method according to claim 1, wherein step S6 includes: searching a characteristic information group matched with the characteristic information of the current patient in the database according to a preset rule, wherein the characteristic information group comprises information of an examined part and one or more of height, weight, sex, age, blood pressure, blood sugar and blood viscosity, and comprises the following steps:
firstly, searching a characteristic information group with the same examination part as the examination part to be contrasted of the current patient in the database, and then searching a characteristic information group with a difference value smaller than a preset threshold value with other characteristic information values of the current patient in the searched characteristic information group to obtain a matched characteristic information group and an injection scheme thereof.
6. The medical fluid injection method of claim 5, wherein if more than one characteristic information set matching the characteristic information of the current patient is found in the database, one of the corresponding injection protocols is randomly selected as the matching injection protocol; or,
and sequentially calculating the difference value between each characteristic information group and the characteristic information of the current patient according to the weight value of each type of characteristic information, and selecting the injection scheme corresponding to the characteristic information group with the minimum difference value as the matched injection scheme.
7. The medical fluid injection method according to claim 1, wherein step S1 includes: the characteristic information of the patient is obtained through the electronic medical record of the patient.
8. The medical fluid injection method of claim 1, wherein the injection parameter model includes injection parameters that are one or more of injection dose, pressure, flow rate, and flow rate.
9. The medical fluid injection method according to any one of claims 1 to 8, further comprising, after step S7: and judging whether the imaging result of the actual radiography is qualified or not, and if not, correcting the currently executed injection parameter model in the database.
10. A medical fluid injection system comprising an injector, a control system, a code scanner electrically connected to the control system, wherein the control system comprises a processor and a database, wherein the database has a plurality of injection protocols pre-stored therein, each injection protocol comprising a set of characteristic information and an associated injection parameter model, each injection parameter model comprising at least one controllable injection parameter;
the code scanner is used for scanning the label on the syringe to obtain the characteristic information of the current patient and sending the characteristic information to the processor of the control system, wherein the characteristic information comprises any one or more of the height, weight, sex, age, blood pressure, blood sugar and blood viscosity of the part to be examined by radiography and/or the patient;
the processor calls an injection scheme matched with the characteristic information of the current patient from the database according to a preset rule; and the injector injects the current patient according to the injection parameters of the injection parameter model in the called injection scheme.
11. The medical fluid injection system of claim 10, further comprising a data reading interface for electrical connection with an external removable storage medium, the data reading interface being electrically connected with a processor of the control system.
12. The medical fluid injection system of claim 10, further comprising a label printing device networked to the electronic medical record system, wherein the label printing device obtains the characteristic information of the patient from the electronic medical record of the current patient, converts the characteristic information into a two-dimensional code or a barcode, and prints the two-dimensional code or barcode to obtain a paper label.
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