An epidural labour analgesia injection system

Abstract

The present application relates to a kind of epidural delivery analgesia injection systems, comprising: judging module, for receiving epidural puncture tube backflow liquid, puerpera pain condition and the situation of birth canal, and according to liquid, puerpera pain condition and the situation of birth canal judging injection mode;Calculation module, for receiving injection mode from judging module, and according to injection mode calculation injection parameter;And injection module, for receiving injection parameter from calculation module after injection drug, including: first injection module, for injecting sufentanil;And second injection module, for injecting ropivacaine;Wherein, injection mode includes: intermittent injection and progressive injection;Injection parameter includes: injection process, injection drug, drug concentration, drug volume and interval time;The present application is automatically and finely dosed injection by calculation module and injection module, can improve the safety, effectiveness and delivery analgesia rate when delivery analgesia, to avoid puerpera's fear of delivery.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical devices, in particular to an epidural labor analgesia injection system. BACKGROUND

[0002] At present, epidural labor analgesia maintenance is mostly adopted by sufentanil and low concentration of ropivacaine. However, continuous use of single high concentration of sufentanil will cause the cumulative dose of sufentanil to be too large, and in turn may cause a series of adverse reactions of the puerpera and / or the newborn, such as: prolongation of the first stage of labor and the second stage of labor; skin itching, nausea, vomiting of the puerpera; and decrease of the newborn's neurobehavioral function score and breastfeeding score.

[0003] Therefore, an epidural labor analgesia injection system is urgently needed. SUMMARY

[0004] The present application aims at the deficiencies in the prior art, and provides an epidural labor analgesia injection system.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the present application is:

[0006] The present application provides an epidural labor analgesia injection system, comprising:

[0007] A judgment module is configured to receive liquid drawn back by epidural puncture catheterization, pain condition of the puerpera, and cervix condition, and judge an injection mode according to the liquid, the pain condition of the puerpera, and the cervix condition;

[0008] A calculation module is configured to receive the injection mode from the judgment module, and calculate injection parameters according to the injection mode;

[0009] and an injection module is configured to inject drugs after receiving the injection parameters from the calculation module, comprising:

[0010] A first injection module is configured to inject sufentanil;

[0011] and a second injection module is configured to inject ropivacaine;

[0012] Wherein, the injection mode comprises: intermittent injection and progressive injection; and the injection parameters comprise: injection process, injected drugs, drug concentration, drug volume, and interval time.

[0013] Under the injection mode of the intermittent injection, the injection process comprises: first dose injection, normal injection, and self-controlled injection.

[0014] injection process of the first dose injection, the first injection module injects 0.2 mL-0.28 mL of 5 μg / mL sufentanil, the second injection module injects 2.72 mL-2.8 mL of 0.1 wt% ropivacaine, after interval of 2 min-3 min, the first injection module injects 0.72 mL-0.8 mL of 5 μg / mL sufentanil, the second injection module injects 7.27 mL-11.2 mL of 0.1 wt% ropivacaine;

[0015] injection process of the normal injection, the first injection module injects 1 mL of 5 μg / mL sufentanil, after interval of 60 min-240 min, the cycle; the second injection module injects 6 mL-10 mL of 0.1 wt% ropivacaine, after interval of 40 min-60 min, the cycle;

[0016] wherein, if the cervix condition is 2 cm-5 cm, the interval time of the first injection module is 120 min-240 min;

[0017] if the cervix condition is 6 cm-10 cm, the interval time of the first injection module is 40 min-80 min;

[0018] injection process of the normal injection, the first injection module injects 1 mL of 5 μg / mL sufentanil, after interval of 60 min-240 min, the cycle; the second injection module injects 6 mL-10 mL of 0.1 wt% ropivacaine, after interval of 40 min-60 min, the cycle;

[0019] in the injection mode of the progressive injection, the injection process comprises: first dose injection, normal injection and self-controlled injection;

[0020] injection process of the first dose injection, the first injection module injects 0.5 mL-0.69 mL of 2 μg / mL sufentanil, the second injection module injects 2.3 mL-2.5 mL of 0.1 wt% ropivacaine, after interval of 2 min-3 min, the first injection module injects 1.8 mL-2 mL of 5 μg / mL sufentanil, the second injection module injects 6.18 mL-10 mL of 0.1 wt% ropivacaine;

[0021] injection process of the normal injection, the first injection module injects 0.5 mL-2 mL of 2 μg / mL sufentanil, the second injection module injects 6 mL-10 mL of 0.1 wt% ropivacaine, after interval of 40 min-60 min, the cycle;

[0022] If the cervical opening is 2cm-4cm, the first injection module injects 0.5mL-0.835mL of the drug;

[0023] If the cervical opening is 5cm-6cm, the first injection module injects 1mL-1.6mL of the drug;

[0024] If the cervical opening is 7cm-10cm, the first injection module injects 1.5mL-2mL of the drug;

[0025] In the injection process of the self-controlled injection, the first injection module injects 1.66mL-2mL of 2μg / mL sufentanil, and the second injection module injects 5mL-6mL of 0.1wt% ropivacaine.

[0026] Preferably, the application further comprises:

[0027] A feedback module is configured to receive the injection mode from the judging module and display a prompt according to the injection mode.

[0028] Preferably,

[0029] The feedback module is further configured to receive the judging result from the judging module and display a warning according to the judging result.

[0030] Preferably, the calculation module further comprises:

[0031] A timing module is configured to time the interval of the injection module.

[0032] Preferably, the injection module further comprises:

[0033] A request module is configured to send a judging request to the judging module or a timing request to the calculation module.

[0034] Preferably, the injection module further comprises:

[0035] A receiving module is configured to receive a process request of the self-controlled injection.

[0036] Compared with the prior art, the application has the following technical effects:

[0037] The present application adopts shorter time interval to give ropivacaine and longer time interval to give sufentanil in epidural analgesia by intermittent injection mode, and adjusts the administration interval of sufentanil according to the cervical dilatation; and adopts fixed volume of ropivacaine in epidural analgesia and adjusts the administration volume of sufentanil in a progressive manner according to the cervical dilatation by progressive injection mode; thus, the total dosage of sufentanil is reduced to reduce the adverse reactions caused by sufentanil while ensuring good analgesic effect; meanwhile, the epidural labor analgesia injection system of the present application realizes automatic and fine drug injection through the calculation module and the injection module, which can improve the safety, effectiveness and labor analgesia rate during labor analgesia, thereby avoiding the fear of labor, especially the fear of labor of second or multiple births, so as to improve the population growth. BRIEF DESCRIPTION OF DRAWINGS

[0038] Figure 1 Fig. 1 is a structural schematic diagram of the epidural labor analgesia injection system in the present application. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0040] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0041] The present application will be further described below with reference to the drawings and specific embodiments, but is not limited by the present application.

[0042] Embodiment 1

[0043] As shown in the following table, the present embodiment provides an epidural labor analgesia injection system, which comprises: Figure 1 A judgment module is used to receive the liquid drawn back by epidural puncture catheterization, the pain condition of the parturient woman and the cervical dilatation condition, and to judge whether to inject according to the liquid, to judge the injection mode according to the pain condition of the parturient woman, and to judge the injection parameters according to the cervical dilatation condition;

[0044] A calculation module is used to receive the injection mode from the judgment module, and to calculate the injection parameters according to the injection mode, including:

[0045] A timing module is used to time the interval time of the injection module;

[0046]

[0047] ​The injection module is used for injecting drugs after receiving the injection parameters from the calculation module, comprising:

[0048] The first injection module is used for injecting sufentanil;

[0049] The second injection module is used for injecting ropivacaine;

[0050] The request module is used for sending a judgment request to the judgment module or sending a timing request to the calculation module;

[0051] The receiving module is used for receiving a progress request of the automatic injection;

[0052] The feedback module is used for receiving the injection mode from the judgment module and displaying a prompt according to the injection mode, or receiving a judgment result from the judgment module and displaying a warning according to the judgment result.

[0053] Embodiment 2

[0054] The embodiment provides an epidural labor analgesia injection method, comprising:

[0055] S1-1, performing epidural puncture and catheterization at L3-L4, leaving a tube in the epidural space for 4 cm, and inputting the liquid drawn back into a judgment module;

[0056] S1-2, if the liquid does not include blood and the liquid does not include cerebrospinal fluid, the injection can be performed, and the judgment result is input into a feedback module; S1-3, if the liquid includes blood or the liquid includes cerebrospinal fluid, the injection cannot be performed, and the judgment result is input into the feedback module;

[0057] S1-4, if the judgment result is that the injection can be performed, further judging the input maternal pain condition, if the maternal pain score is greater than or equal to 4 points, the injection mode is intermittent injection, and if the maternal pain score is less than 4 points, the injection mode is progressive injection;

[0058] S1-5, further judging the input cervical opening condition, if the injection mode is intermittent injection and the cervical opening condition is 2 cm-5 cm, the interval time of the first injection module is 120 min-240 min, if the injection mode is intermittent injection and the cervical opening condition is 6 cm-10 cm, the interval time of the first injection module is 40 min-80 min, if the injection mode is progressive injection and the cervical opening condition is 2 cm-4 cm, the drug volume injected by the first injection module is 0.5 mL-0.835 mL, if the injection mode is progressive injection and the cervical opening condition is 5 cm-6 cm, the drug volume injected by the first injection module is 1 mL-1.6 mL, and if the injection mode is progressive injection and the cervical opening condition is 7 cm-10 cm, the drug volume injected by the first injection module is 1.5 mL-2 mL;

[0059] S2-1, the calculation module receives the injection judgment, the injection mode and the injection parameter;

[0060] S2-2, the injection module receives the injection parameter, including:

[0061] In the injection mode of intermittent injection, in the injection process of the first dose injection, the first injection module injects 0.2mL-0.28mL of 5μg / mL of sufentanil, the second injection module injects 2.72mL-2.8mL of 0.1wt% of ropivacaine, the request module sends a timing request to the calculation module, the timing module times 2min-3min, and then the injection module receives a continue injection signal, the request module sends a judgment request to the judgment module, the injection module receives an injection enabling signal, the first injection module injects 0.72mL-0.8mL of 5μg / mL of sufentanil, and the second injection module injects 7.27mL-11.2mL of 0.1wt% of ropivacaine;

[0062] In the injection mode of intermittent injection, in the injection process of normal injection, the first injection module injects 1mL of 5μg / mL of sufentanil, the request module sends a timing request to the calculation module, the timing module times a corresponding interval time according to the cervical situation, and then the cycle is performed; the second injection module injects 6mL-10mL of 0.1wt% of ropivacaine, the request module sends a timing request to the calculation module, the timing module times 40min-60min, and then the cycle is performed;

[0063] In the injection mode of intermittent injection, the receiving module receives a process request, in the injection process of automatic injection, the first injection module injects 0.55mL-0.67mL of 5μg / mL of sufentanil, and the second injection module injects 5mL-6mL of 0.1wt% of ropivacaine;

[0064] In the injection mode of progressive injection, in the injection process of the first dose injection, the first injection module injects 0.5mL-0.69mL of 2μg / mL of sufentanil, the second injection module injects 2.3mL-2.5mL of 0.1wt% of ropivacaine, the request module sends a timing request to the calculation module, the timing module times 2min-3min, the injection module receives a continue injection signal, the request module sends a judgment request to the judgment module, the injection module receives an injection enabling signal, the first injection module injects 1.8mL-2mL of 5μg / mL of sufentanil, and the second injection module injects 6.18mL-10mL of 0.1wt% of ropivacaine;

[0065] In the injection mode of progressive injection, in the injection process of normal injection, the first injection module injection judging module judges to obtain 2ug / mL sufentanil of corresponding drug volume according to the cervical canal condition, the second injection module injects 6mL-10mL of 0.1wt% ropivacaine, and the cycle is 40min-60min later;

[0066] In the injection mode of progressive injection, the receiving module receives the injection process request, in the injection process of automatic injection, the first injection module injects 1.66mL-2mL of 2ug / mL sufentanil, and the second injection module injects 5mL-6mL of 0.1wt% ropivacaine.

[0067] S3-1, if the feedback module receives the judgment result in S1-2, a prompt of "injection start", the current injection mode and each injection parameter are displayed;

[0068] S3-2, if the feedback module receives the judgment result in S1-3, a warning of "may be placed in the blood vessel" or "may be placed in the subarachnoid space" and the information of "injection stop" are displayed;

[0069] S4, after the fetus is delivered, stop.

[0070] In summary, the present application adopts shorter time interval to give ropivacaine and longer time interval to give sufentanil in epidural analgesia by intermittent injection mode, and adjusts the drug interval of sufentanil according to the cervical canal condition; and adopts fixed volume of ropivacaine in epidural analgesia by progressive injection mode, and adjusts the drug volume of sufentanil in a progressive manner according to the cervical canal condition; so as to reduce the total drug dosage of sufentanil under the condition of ensuring good analgesic effect, so as to reduce the adverse reactions caused by sufentanil; at the same time, the epidural labor analgesia injection system of the present application realizes automatic and fine drug injection through the calculation module and the injection module, which can improve the safety, effectiveness and labor analgesia rate during labor analgesia, thereby avoiding the fear of labor of the puerpera, especially the fear of labor of the second or multiple births, so as to improve the population growth.

[0071] The above only describes the preferred embodiments of the present application, and does not limit the embodiments and protection scope of the present application, and those skilled in the art should be able to realize that any equivalent replacement and obvious changes made according to the content of the present application should be included in the protection scope of the present application.

Claims

1. An epidural labour analgesia injection system, characterised in that, Comprising: a judging module, configured to receive liquid of epidural puncture catheter backflow, pain condition of a parturient and cervix condition, and judge injection mode according to the liquid, the pain condition of the parturient and the cervix condition; a calculating module, configured to receive the injection mode from the judging module, and calculate injection parameters according to the injection mode; and an injection module, configured to inject medicine after receiving the injection parameters from the calculating module, comprising: a first injection module, configured to inject sufentanil; and a second injection module, configured to inject ropivacaine; wherein the injection mode comprises intermittent injection and progressive injection, and the injection parameters comprise injection process, injection medicine, medicine concentration, medicine volume and interval time; under the injection mode of the intermittent injection, the injection process comprises first dose injection, normal injection and self-controlled injection; under the injection process of the first dose injection, the first injection module injects 0.2mL-0.28mL of 5μg / mL of sufentanil, the second injection module injects 2.72mL-2.8mL of 0.1wt% of ropivacaine, after an interval of 2min-3min, the first injection module injects 0.72mL-0.8mL of 5μg / mL of sufentanil, and the second injection module injects 7.27mL-11.2mL of 0.1wt% of ropivacaine; under the injection process of the normal injection, the first injection module injects 1mL of 5μg / mL of sufentanil, and after an interval of 60min-240min, the cycle is repeated; the second injection module injects 6mL-10mL of 0.1wt% of ropivacaine, and after an interval of 40min-60min, the cycle is repeated; wherein if the cervix condition is 2cm-5cm, the interval time of the first injection module is 120min-240min; if the cervix condition is 6cm-10cm, the interval time of the first injection module is 40min-80min; under the injection process of the self-controlled injection, the first injection module injects 0.55mL-0.67mL of 5μg / mL of sufentanil, and the second injection module injects 5mL-6mL of 0.1wt% of ropivacaine; under the injection mode of the progressive injection, the injection process comprises first dose injection, normal injection and self-controlled injection; under the injection process of the first dose injection, the first injection module injects 0.5mL-0.69mL of 2μg / mL of sufentanil, and the second injection module injects 2.3mL-2.5mL of 0.1wt% of ropivacaine, after an interval of 2min-3min, the first injection module injects 1.8mL-2mL of 5μg / mL of sufentanil, and the second injection module injects 6.18mL-10mL of 0.1wt% of ropivacaine; In the injection process of the normal injection, the first injection module injects 0.5mL-2mL of 2μg / mL sufentanil, and the second injection module injects 6mL-10mL of 0.1wt% ropivacaine, and then the cycle is repeated after 40min-60min; If the cervical opening is 5cm-6cm, the drug volume injected by the first injection module is 1mL-1.6mL; If the cervical opening is 5cm-6cm, the drug volume injected by the first injection module is 1mL-1.6mL; If the cervical opening is 7cm-10cm, the drug volume injected by the first injection module is 1.5mL-2mL; In the injection process of the normal injection, the first injection module injects 0.5mL-2mL of 2μg / mL sufentanil, and the second injection module injects 6mL-10mL of 0.1wt% ropivacaine, and then the cycle is repeated after 40min-60min; 2. The epidural labor analgesia injection system of claim 1, wherein, Further comprising: a feedback module configured to receive the injection mode from the judging module and display a prompt according to the injection mode.

3. The epidural labor analgesia injection system according to claim 2, characterized in that, the feedback module is further configured to receive the judging result from the judging module and display a warning according to the judging result.

4. The epidural labor analgesia injection system of claim 1, wherein, The calculating module further comprises: a timing module configured to time the interval time of the injection module.

5. The epidural labor analgesia injection system of claim 1, wherein, The injection module further comprises: a request module configured to send a judging request to the judging module or a timing request to the calculating module.

6. The epidural labor analgesia injection system of claim 1, wherein, The injection module further comprises: a receiving module configured to receive a process request of the automatic injection.

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