CN211705479U - Novel analgesia pump capable of titrating drug concentration - Google Patents

Novel analgesia pump capable of titrating drug concentration Download PDF

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Publication number
CN211705479U
CN211705479U CN201920879573.4U CN201920879573U CN211705479U CN 211705479 U CN211705479 U CN 211705479U CN 201920879573 U CN201920879573 U CN 201920879573U CN 211705479 U CN211705479 U CN 211705479U
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chamber
way valve
novel
volume
liquid outlet
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CN201920879573.4U
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曾真
范帅伟
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Shanghai Sixth Peoples Hospital
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Shanghai Sixth Peoples Hospital
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Abstract

The utility model relates to a novel analgesia pump of titratable drug concentration, include: a body, the body comprising: a first chamber; a second chamber disposed at a side of the first chamber, the second chamber not communicating with the first chamber; the volume of the first chamber is equal to or different from the volume of the second chamber; a three-way valve, a first end of the three-way valve being in communication with the second chamber and a second end of the three-way valve being in communication with the third chamber; and the first end of the liquid outlet pipe is communicated with the third end of the three-way valve. The analgesia pump has the advantages that the first cavity and the second cavity are utilized, so that the analgesia pump can simultaneously store two different medicines with different concentrations, and the analgesia pump is suitable for different patient requirements; simple operation, convenient use and is beneficial to large-scale popularization and application.

Description

Novel analgesia pump capable of titrating drug concentration
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a novel analgesia pump of titratable drug concentration.
Background
In postoperative analgesia, an analgesia pump is generally used to administer analgesia. The existing analgesia pump generally comprises a liquid storage bag, wherein analgesic drugs with certain concentration are stored in the liquid storage bag and are conveyed into the body of a patient through a pump and a transfusion tube.
However, the existing analgesic pump has some defects, such as that the analgesic pump can only pump a single drug with a single concentration, and cannot be suitable for different patients; the analgesia pump has a single adding function, but cannot provide stable administration concentration due to the limitation of adding intervals and adding times; the concentration of the prepared analgesic pump cannot be increased or decreased, and may exceed the vomiting threshold of the patient when reaching the analgesic threshold of the patient, or the concentration of the drug cannot reach the analgesic threshold and cannot achieve the analgesic effect.
Therefore, there is a need for an analgesic pump capable of controlling the titrated concentration of a drug, providing a stable administration concentration, and avoiding the problem of too high or too low a drug concentration.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel analgesia pump capable of titrating the drug concentration aiming at the defects in the prior art.
In order to achieve the purpose, the utility model adopts the technical proposal that:
a novel analgesic pump for titratable drug concentrations comprising:
a body, the body comprising:
a first chamber;
a second chamber disposed at a side of the first chamber, the second chamber not communicating with the first chamber;
the volume of the first chamber is equal to or different from the volume of the second chamber;
a three-way valve, a first end of the three-way valve being in communication with the second chamber and a second end of the three-way valve being in communication with the third chamber;
and the first end of the liquid outlet pipe is communicated with the third end of the three-way valve.
Preferably, the first chamber comprises:
the first liquid inlet is arranged at one side end of the first cavity;
the first liquid outlet is arranged at the other side end of the first cavity;
a first check valve in communication with the first liquid outlet.
Preferably, the second chamber comprises:
the second liquid inlet is arranged at one side end of the second cavity;
the second liquid outlet is arranged at the other side end of the second cavity;
and the second check valve is communicated with the second liquid outlet.
Preferably, the body further comprises:
the third chambers are arranged side by side and are arranged on the side part of the first chamber, and the third chambers are communicated with the first chamber;
a plurality of third check valves, each of the third check valves being in communication with one of the third chambers and the first chamber, respectively;
the volume of the third chamber is less than the volume of the first chamber.
Preferably, the sum of the transverse lengths of a plurality of the first chambers arranged side by side is equal to the transverse length of the second chamber.
Preferably, the longitudinal length of the third chamber is equal to the sum of the longitudinal length of the first chamber and the longitudinal length of the second chamber.
Preferably, a plurality of said third chambers are not in communication with each other.
Preferably, the third chamber comprises:
a third liquid inlet arranged at one side end of the third chamber;
and the third liquid outlet is arranged at the other side end of the third cavity.
Preferably, the first chamber further comprises:
and each liquid supplementing port is communicated with the second liquid outlet of the second cavity.
Preferably, the volume of the third chamber is less than the volume of the second chamber, which is less than the volume of the first chamber.
Preferably, the number of the third chambers is at least three.
Preferably, the volume of the third chamber is 2 ml.
Preferably, the volume of the first chamber is 100 ml.
Preferably, the volume of the second chamber is 20 ml.
The utility model adopts the above technical scheme, compare with prior art, have following technological effect:
the novel analgesia pump capable of titrating the drug concentration of the utility model utilizes the first cavity and the second cavity, so that the analgesia pump can store two different drugs with different concentrations at the same time, and is suitable for different patient demands; the same medicine can be input into the first chambers at intervals through the plurality of third chambers, so that the concentration of the medicine output by the analgesia pump is gradually increased, and the concentration of the medicine in the blood of a patient is stably increased; simple operation, convenient use and is beneficial to large-scale popularization and application.
Drawings
Fig. 1 is a schematic diagram of an exemplary embodiment of the present invention.
Fig. 2 is a schematic diagram of a preferred embodiment of the present invention.
Wherein the reference numerals are:
a main body 100;
a first chamber 101; a first liquid inlet 1011; a first liquid outlet 1012; a fluid infusion port 1013;
a second chamber 102; a second liquid inlet 1021; a second liquid outlet 1022;
a third chamber 103; a third inlet 1031; a third outlet port 1032;
a three-way valve 104; a liquid outlet pipe 105; a first check valve 106; a second check valve 107; a third check valve 108; a fourth check valve 109; a fifth check valve 110; a sixth check valve 111.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
Example 1
An illustrative embodiment of the utility model, as shown in fig. 1, a novel analgesia pump of titratable drug concentration, including main part 100, main part 100 includes first cavity 101, second cavity 102, three-way valve 104 and drain pipe 105, and second cavity 102 sets up the lateral part at first cavity 101, and three-way valve 104 communicates with first cavity 101, second cavity 102 and drain pipe 105 respectively.
Except the main part, the utility model discloses an analgesia pump still includes conventional parts such as casing, driving pump, no longer gives unnecessary details here.
The first chamber 101 comprises a first liquid inlet 1011 and a first liquid outlet 1012, the first liquid inlet 1011 is disposed at one side end of the first chamber 101, and the first liquid outlet 1012 is disposed at the other side end of the first chamber 101.
Further, the first liquid inlet 1011 and the first liquid outlet 1012 are disposed adjacently, for example, the first liquid inlet 1011 is disposed at the left end, the right end, the front end, or the rear end of the first chamber 101, and the first liquid outlet 1012 is disposed at the lower end of the first chamber 101.
The second chamber 102 is disposed at a side portion, such as a left portion or a right portion, of the first chamber 101, and the second chamber 102 is not communicated with the first chamber 101.
The second chamber 102 includes a second inlet 1021 and a second outlet 1022, wherein the second inlet 1021 is disposed at one side end of the second chamber 102, and the second outlet 1022 is disposed at the other side end of the second chamber 102.
Further, the second liquid inlet 1021 and the second liquid outlet 1022 are disposed oppositely, for example, the second liquid inlet 1021 is disposed at the upper end of the second chamber 102, and the second liquid outlet 1022 is disposed at the lower end of the second chamber 102; the second inlet 1021 and the second outlet 1022 may also be disposed adjacently, for example, the second inlet 1021 is disposed at the left end, the right end, the front end, or the rear end of the second chamber 102, and the second outlet 1022 is disposed at the lower end of the second chamber 102.
Further, the volume of the second chamber 102 is equal to or different from the volume of the first chamber 101.
Further, the second chamber 102 and the first chamber 101 may be fixedly connected or detachably connected, such as by bonding, snap-fit connection, etc.
In this embodiment, the volume of the second chamber 102 is smaller than the volume of the first chamber 101.
A first end of the three-way valve 104 communicates with the first outlet port 1012 of the first chamber 101, a first end of the three-way valve 104 communicates with the second outlet port 1022 of the second chamber 102, and a second end of the three-way valve 104 communicates with the tank 106.
The three-way valve 104 has three modes of operation. In the first mode of operation, the first end of the three-way valve 104 is connected to the second end of the three-way valve 104, i.e. the drug in the first chamber 101 flows through the three-way valve 104 to the outlet 105. In the first mode of operation, the first end of the three-way valve 104 is in communication with the second end of the three-way valve 104, i.e. the drug in the second chamber 102 flows through the three-way valve 104 to the outlet 105. The second mode of operation is where the first, first and second ends of the three-way valve 104 are closed.
The outlet tube 105 communicates with other lines to deliver the drug from the analgesic pump to the patient.
Further, in order to limit the direction of flow of the drug in the first chamber 101, the second chamber 102 and the third chamber 103, the novel analgesic pump for titratable drug concentrations of the present invention further comprises a first check valve 106, a second check valve 107, a fourth check valve 109 and a fifth check valve 110.
The first check valve 106 is disposed corresponding to the first liquid outlet 1012 of the first chamber 101, and the first check valve 106 is disposed inside or outside the first liquid outlet 1012 for allowing the medicine in the first chamber 101 to flow toward the three-way valve 104 and preventing the medicine in the three-way valve 104 from flowing into the first chamber 101.
The second check valve 107 is disposed corresponding to the second liquid outlet 1022 of the second chamber 102, and the second check valve 107 is disposed inside or outside the second liquid outlet 1022 for allowing the medicine in the second chamber 102 to flow toward the three-way valve 104 and preventing the medicine in the three-way valve 104 from flowing into the second chamber 102.
The fourth check valve 109 is arranged corresponding to the first liquid inlet 1011 of the first chamber 101, and the fourth check valve 109 is arranged inside or outside the first liquid inlet 1011 and is used for enabling an external drug to flow into the first chamber 101 through the first liquid inlet 1011 and preventing the drug in the first chamber 101 from flowing out of the first liquid inlet 1011.
The fifth check valve 110 is disposed corresponding to the second inlet 1021 of the second chamber 102, and the fifth check valve 110 is disposed inside or outside the second inlet 1021, so as to enable an external drug to flow into the second chamber 102 through the second inlet 1021, and prevent the drug in the second chamber 102 from flowing out of the second inlet 1021.
Further, a seventh check valve (not shown) is included, and is disposed corresponding to the outlet pipe 105 for preventing the medicine in the outlet pipe 105 from flowing into the three-way valve 104.
The using method of the embodiment comprises the following steps: injecting a first drug having a first concentration into the first chamber 101, and then injecting a quantity of water into the first chamber 101; infusing a second drug having a second concentration into the second chamber 102; connecting a liquid outlet pipe 105 of the analgesia pump with an input part; switching the working mode of the three-way valve 104 to enable the first end of the three-way valve 104 to be communicated with the third end of the three-way valve 104 and enable the first cavity 101 to be communicated with the liquid outlet pipe 105; after a certain time, the working mode of the three-way valve 104 is switched, so that the second end of the three-way valve 104 is communicated with the third end of the three-way valve 104, and the second chamber 102 is communicated with the liquid outlet pipe 105; after the input is completed, the operation mode of the three-way valve 104 is switched, so that the first end, the second end and the third end of the three-way valve 104 are closed.
The utility model has the advantages that the first cavity and the second cavity are arranged at the same time, so that the analgesia pump can store two different medicines with different concentrations at the same time, and is suitable for different patient demands; simple operation, convenient use and is beneficial to large-scale popularization and application.
Example 2
The preferred embodiment of the present invention, as shown in fig. 2, a novel analgesic pump for titratable drug concentration, comprising a main body 100, wherein the main body 100 comprises a first chamber 101, a second chamber 102, a plurality of third chambers 103, a three-way valve 104 and a liquid outlet pipe 105, the second chamber 102 is disposed at the side of the first chamber 101, the plurality of third chambers 103 are disposed at the side of the first chamber 101, and the three-way valve 104 is respectively communicated with the first chamber 101, the second chamber 102 and the liquid outlet pipe 105.
The structure and connection relationship of the second chamber 102, the three-way valve 104 and the liquid outlet pipe 105 are substantially the same as those in embodiment 1, and are not described herein again.
The plurality of third chambers 103 are arranged side by side on the side of the first chamber 101, the first chamber 101 is communicated with each third chamber 103, the shape, size and volume of each third chamber 103 are the same, and two adjacent third chambers 103 are not communicated with each other.
Further, a plurality of third chambers 103 are disposed at an upper portion of the first chamber 101.
Further, the third chamber 103 and the first chamber 101 may be fixedly connected, or may be detachably connected, such as bonded, fastened, and the like.
Each of the third chambers 103 includes a third liquid inlet 1031 and a third liquid outlet 1032, the third liquid inlet 1031 being disposed at one side end of the third chamber 103, and the third liquid outlet 1032 being disposed at the other side end of the third chamber 103.
Further, the third liquid inlet 1031 and the third liquid outlet 1032 are oppositely disposed, for example, the third liquid inlet 1031 is disposed at the upper end of the third chamber 103, and the third liquid outlet 1032 is disposed at the lower end of the third chamber 103; the third liquid inlet 1031 and the third liquid outlet 1032 may also be disposed adjacently, for example, the third liquid inlet 1031 is disposed at the left end, the right end, the rear end, or the front end of the third chamber 103, and the third liquid outlet 1032 is disposed at the lower end of the third chamber 103.
Correspondingly, on the basis of the structure of the first chamber 101 in embodiment 1, the first chamber 101 further includes a plurality of fluid replenishment ports 1033, and the plurality of fluid replenishment ports 1013 are respectively in one-to-one communication with the third fluid outlets 1032 of the plurality of third chambers 103.
Further, the number of the third chambers 103 is at least 3, and preferably the number is 5 to 6.
Further, the sum of the lateral lengths of the third chambers 103 arranged side by side is equal to the lateral length of the first chamber 101.
Further, the longitudinal length of the second chamber 102 is equal to the sum of the longitudinal length of the first chamber 101 and the longitudinal length of the third chamber 103.
Further, the volume of the third chamber 103 is smaller than the volume of the first chamber 101.
Further, the volume of the third chamber 103 is smaller than the volume of the second chamber 102.
Further, the volume of the second chamber 102 is smaller than the volume of the first chamber 101.
Further, the volume of the third chamber 103 is 2ml, the volume of the first chamber 101 is 100ml, and the volume of the second chamber 102 is 20 ml.
Further, in order to limit the flow direction of the drug in the third chamber 103, the novel analgesic pump for titratable drug concentrations of the present invention further comprises a plurality of third check valves 108 and a sixth check valve 111.
The third check valves 108 are provided corresponding to the third chambers 103 and the first chambers 101 in the same number as the third chambers 103. A third check valve 108 is disposed between third fluid outlet port 1032 and fluid infusion port 1013 for allowing the drug in third chamber 103 to flow into first chamber 101 and preventing the drug in first chamber 101 from flowing into third chamber 103.
The sixth check valves 111 are provided corresponding to the third liquid inlet 1031 of the third chamber 103 in the same number as the number of the third chambers 103. The sixth check valve 111 is disposed inside or outside the third liquid inlet 1031, and is used for allowing external medicine to flow into the third chamber 103 through the third liquid inlet 1031, and preventing the medicine in the third chamber 103 from flowing out of the third liquid inlet 1031.
The using method of the embodiment comprises the following steps: injecting a first medicament with a first concentration into the third chambers 103 and the first chamber 101, and then injecting a certain amount of water into the first chamber 101, namely, the contents of the medicaments in the third chambers 103 and the first chamber 101 are the same, but the dilution degrees are different; infusing a second drug having a second concentration into the second chamber 102; connecting a liquid outlet pipe 105 of the analgesia pump with an input part; switching the working mode of the three-way valve 104 to enable the first end of the three-way valve 104 to be communicated with the third end of the three-way valve 104 and enable the first cavity 101 to be communicated with the liquid outlet pipe 105; after a period of input, the third chamber 103 is opened in sequence at certain intervals, so that the medicine in the third chamber 103 flows into the first chamber 101, and the concentration of the input medicine is kept stable; after a certain time, the working mode of the three-way valve 104 is switched, so that the second end of the three-way valve 104 is communicated with the third end of the three-way valve 104, and the second chamber 102 is communicated with the liquid outlet pipe 105; after the input is completed, the operation mode of the three-way valve 104 is switched, so that the first end, the second end and the third end of the three-way valve 104 are closed.
The utility model has the advantages of, through a plurality of third cavities, can the same medicine of intermittent type ground input in to first cavity, make analgesia pump output drug concentration crescent, make the drug concentration in the patient's blood be stable the increase.
The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.

Claims (10)

1. A novel analgesic pump for titratable drug concentrations comprising:
a body, the body comprising:
a first chamber;
a second chamber disposed at a side of the first chamber, the second chamber not communicating with the first chamber;
the volume of the first chamber is equal to or different from the volume of the second chamber;
a three-way valve, a first end of the three-way valve being in communication with the second chamber and a second end of the three-way valve being in communication with the third chamber;
and the first end of the liquid outlet pipe is communicated with the third end of the three-way valve.
2. The novel titratable drug concentration analgesic pump of claim 1 wherein the first chamber comprises:
the first liquid inlet is arranged at one side end of the first cavity;
the first liquid outlet is arranged at the other side end of the first cavity;
a first check valve in communication with the first liquid outlet.
3. The novel titratable drug concentration analgesia pump of claim 1, wherein the second chamber comprises:
the second liquid inlet is arranged at one side end of the second cavity;
the second liquid outlet is arranged at the other side end of the second cavity;
and the second check valve is communicated with the second liquid outlet.
4. The novel titratable drug concentration analgesia pump of claim 3, wherein the body further comprises:
the third chambers are arranged side by side and are arranged on the side part of the first chamber, and the third chambers are communicated with the first chamber;
a plurality of third check valves, each of the third check valves being in communication with one of the third chambers and the first chamber, respectively;
the volume of the third chamber is less than the volume of the first chamber.
5. The novel titratable drug concentration analgesia pump of claim 4, wherein the sum of the lateral lengths of a number of the first chambers arranged side by side is equal to the lateral length of the second chamber.
6. The novel titratable drug concentration analgesia pump of claim 5, wherein the longitudinal length of the third chamber is equal to the sum of the longitudinal length of the first chamber and the longitudinal length of the second chamber.
7. The novel titratable drug concentration analgesia pump of claim 4, wherein a plurality of the third chambers are not in communication with each other.
8. The novel titratable drug concentration analgesia pump of claim 4, wherein the third chamber comprises:
a third liquid inlet arranged at one side end of the third chamber;
and the third liquid outlet is arranged at the other side end of the third cavity.
9. The novel titratable drug concentration analgesia pump of claim 8, wherein the first chamber further comprises:
and each liquid supplementing port is communicated with the second liquid outlet of the second cavity.
10. The novel titratable drug concentration analgesia pump of claim 4, wherein the volume of the third chamber is less than the volume of the second chamber, which is less than the volume of the first chamber.
CN201920879573.4U 2019-06-12 2019-06-12 Novel analgesia pump capable of titrating drug concentration Active CN211705479U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920879573.4U CN211705479U (en) 2019-06-12 2019-06-12 Novel analgesia pump capable of titrating drug concentration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920879573.4U CN211705479U (en) 2019-06-12 2019-06-12 Novel analgesia pump capable of titrating drug concentration

Publications (1)

Publication Number Publication Date
CN211705479U true CN211705479U (en) 2020-10-20

Family

ID=72813424

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920879573.4U Active CN211705479U (en) 2019-06-12 2019-06-12 Novel analgesia pump capable of titrating drug concentration

Country Status (1)

Country Link
CN (1) CN211705479U (en)

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