CN211751481U - Infusion apparatus capable of keeping reagent concentration - Google Patents
Infusion apparatus capable of keeping reagent concentration Download PDFInfo
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- CN211751481U CN211751481U CN201922289549.8U CN201922289549U CN211751481U CN 211751481 U CN211751481 U CN 211751481U CN 201922289549 U CN201922289549 U CN 201922289549U CN 211751481 U CN211751481 U CN 211751481U
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Abstract
The utility model provides a keep reagent concentration's transfusion system, the transfusion system has the three-dimensional communicating member that can realize three passageway fluid intercommunication, is connected with on wherein the first passageway and holds the chamber, has the interface that can connect external equipment on second passageway and the third passageway, is equipped with the valve on the passageway. This transfusion system is easy and simple to handle, and the cost is lower, and the cleanliness factor in the easier control operation process, the delivery volume that can accurate control human treatment in-process reagent with be used in the concentration at pathological change position, can restrain the emergence of complication when guaranteeing treatment, simultaneously, utilize the utility model discloses an equipment can explore the relation of the reagent volume and the reagent concentration at pathological change position to clinical effect.
Description
Technical Field
The application relates to the technical field of medical instruments, in particular to an infusion apparatus for keeping reagent concentration.
Background
Arteriovenous malformation is the direct anastomosis of artery and vein caused by abnormal development of embryonic stage vascular system, the pathological change is composed of blood supply artery, malformed vascular mass and circuitous expanded drainage vein, and a normal capillary vascular bed is lacked between abnormal arteriovenous, which is a high-flow congenital vascular malformation.
The absolute alcohol interventional embolization technology is the most curing method with curing potential at present. The anhydrous alcohol as liquid embolic agent can denature hemoglobin in pathological body, dehydrate vascular endothelial cells, precipitate protoplasm and destroy endothelial cells, thereby causing thrombosis and permanently destroying focus. Anhydrous alcohols are becoming the first sclerosant in the clinic for the intravascular treatment of vascular malformations.
However, anhydrous alcohols, while offering no comparable efficacy, also present a relatively high risk of complications due to their strong action on human tissue. Therefore, it is the current routine treatment scheme to control the injection amount and concentration by physician experience, and to operate in multiple cycles until the lesion disappears.
In the injection of anhydrous alcohols, since the injection tube is filled with aqueous liquid such as heparin saline, body fluid, and contrast medium, the anhydrous alcohols are inevitably diluted during the injection, and the amount and concentration of the liquid applied to the lesion site are difficult to control.
Therefore, if the concentration of the anhydrous alcohol in the lesion site can be effectively controlled, the therapeutic effect of the anhydrous alcohol can be improved and the occurrence of complications can be suppressed.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an infusion apparatus for keeping the concentration of reagent. The infusion apparatus is simple and convenient to operate, and can accurately control the delivery quantity of the reagent and the concentration acting on the pathological change part in the treatment process of the human body; simultaneously, utilize the utility model discloses an equipment can explore the relation of the reagent volume and the reagent concentration of pathological change position to clinical effect, has the guide effect to clinical practice.
An infusion set for maintaining reagent concentration, characterized in that: the infusion apparatus is provided with a three-way communication piece which can realize fluid communication of three passages, wherein the first passage is connected with a containing cavity, the second passage and the third passage are provided with interfaces which can be connected with external equipment, and the passages are provided with valves.
Preferably, the valve is located in the first passage.
Preferably, the valve may be of the rotary, toggle or push type.
Preferably, the valve is located at the intersection of the three pathways.
Preferably, the valve can be a ball valve, a butterfly valve, a three-position three-way valve and a three-way regulating valve.
Preferably, the chamber has a delivery actuator thereon which drives fluid through the valve.
Preferably, fluid may be caused to pass through the valve by squeezing the chamber.
Preferably, the interface between the second path and the third path has a connection structure connected to an external device, and the connection structure is a card and connection structure or a threaded connection structure.
Preferably, the cavity contains a fluid, and the fluid is a gas or a liquid immiscible with the anhydrous alcohol.
Preferably, the cavity contains a fluid, and the fluid is air or inert gas or a combination of air and inert gas.
Preferably, the cavity contains a fluid, and the fluid is perfluorodecalin, or iodized oil, or a combination of perfluorodecalin and iodized oil.
When the device is used, the second passage and the third passage of the infusion apparatus are respectively connected to the micro-catheter and the anhydrous alcohol delivery device, the micro-catheter is connected to a lesion part of a human body, before the anhydrous alcohol is delivered, the valve is firstly controlled, so that the containing cavity is communicated to the second passage and/or the third passage, and the infusion actuator is operated to enable lotion fluid in the containing cavity to respectively enter the second passage and/or the third passage so as to continuously enter the micro-catheter and/or the anhydrous alcohol delivery device. In doing so, the fluid drains the residual aqueous liquid within the microcatheter and the anhydrous alcohol delivery device. After that, the valve is continuously controlled to close the first passage, so that the second passage is communicated with the third passage, and the anhydrous alcohol delivery can be carried out. In the process of conveying the anhydrous alcohol, the micro-catheter and the anhydrous alcohol conveying device only adhere to the lotion, and the lotion is not mutually soluble with the anhydrous alcohol, so that the anhydrous alcohol cannot be diluted, and the inaccurate concentration of the anhydrous alcohol cannot be caused.
Therefore, the infusion apparatus is simple and convenient to operate, has lower cost, is easy to control the cleanliness in the operation process, and cannot pollute the medicament; the infusion apparatus can accurately control the delivery quantity of the reagent and the concentration acting on the pathological change part in the treatment process of the human body, ensure the treatment effect and simultaneously inhibit the occurrence of complications; simultaneously, utilize the utility model discloses an equipment can explore the relation of the reagent volume and the reagent concentration of pathological change position to clinical effect, has the guide effect to clinical practice.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention. In the drawings:
fig. 1 shows a schematic view of embodiment 1 according to the present invention; and
fig. 2 shows the valve being rotated so that the first passage communicates with the second passage in embodiment 1; and
fig. 3 shows the valve is rotated so that the first passage communicates with the third passage in embodiment 1; and
fig. 4 shows the valve is rotated so that the second passage communicates with the third passage in embodiment 1; and
fig. 5 shows a schematic view of embodiment 2 according to the present invention; and
fig. 6 shows a schematic diagram of embodiment 3 according to the present invention.
Wherein the figures include the following reference numerals: 1-first channel, 2-second channel, 3-third channel, 4, 5-interface, 11-valve, 12-cavity, 13-conveying actuator, 41, 51-clip and connecting structure, 42, 52-screw connecting structure.
Detailed Description
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 described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The present invention is described in further detail below with reference to specific examples, which should not be construed as limiting the scope of the invention as claimed.
Example 1
The quantitative infusion apparatus is provided with a three-way communication piece, fluid communication of three passages can be realized, wherein a containing cavity 12 is connected to a first passage 1, and the containing cavity determines the volume. The second path 2 and the third path 3 are provided with interfaces 4 and 5 which can be connected with external equipment, and the junction of the three paths is provided with a valve 11 which is specifically a ball valve. The chamber has a delivery actuator 13 for driving fluid through the valve. The second path 2 and the third path 3 have card and connection structures 41, 51, respectively, for connecting external devices. The lotion which can be contained in the cavity of the infusion apparatus is gas.
When the device is used, the second channel 2 and the third channel 3 of the infusion apparatus are respectively connected to the micro-catheter and the anhydrous alcohol delivery device, the micro-catheter is connected to a lesion part of a human body, before the anhydrous alcohol is delivered, the valve 11 is firstly rotated, so that the containing cavity 12 is respectively communicated to the second channel 2 and the third channel 3 (fig. 2 shows that the first channel is communicated with the second channel by rotating the ball valve, fig. 3 shows that the first channel is communicated with the third channel by rotating the three-way valve), the infusion actuator 13 is operated, so that the lotion fluid in the containing cavity 12 respectively enters the second channel 2 and the third channel 3 to continuously enter the micro-catheter and the anhydrous alcohol delivery device, and therefore, the lotion fluid discharges residual water-containing liquid in the micro-catheter and the anhydrous alcohol delivery device. Thereafter, the valve 11 is continuously rotated to communicate the second passage 2 with the third passage 3, whereby the anhydrous alcohol can be transported as shown in fig. 4. In the process of conveying the anhydrous alcohol, the micro-catheter and the anhydrous alcohol conveying device only adhere to the lotion, and the lotion is not mutually soluble with the anhydrous alcohol, so that the anhydrous alcohol cannot be diluted, and the inaccurate concentration of the anhydrous alcohol cannot be caused.
Example 2
As shown in fig. 5, the quantitative infusion set has a three-way communication member, which can realize the fluid communication of three passages, wherein the first passage 1 is connected with a cavity 12, and the cavity defines the volume. The second path 2 and the third path 3 are provided with interfaces 4 and 5 which can be connected with external equipment, and the junction of the three paths is provided with a valve 11 which is specifically a ball valve. The chamber has a delivery actuator 13 for driving fluid through the valve. The second passage 2 and the third passage 3 have screw connection structures 42 and 52, respectively, for connecting external devices. The lotion which can be contained in the cavity of the infusion apparatus is liquid.
When the device is used, the second channel 2 and the third channel 3 of the infusion apparatus are respectively connected to the micro-catheter and the anhydrous alcohol delivery device, the micro-catheter is connected to a lesion part of a human body, before the anhydrous alcohol is delivered, the valve 11 is firstly rotated, so that the containing cavity 12 is respectively communicated to the second channel 2 and the third channel 3, and the infusion actuator 13 is operated to enable lotion fluid in the containing cavity 12 to respectively enter the second channel 2 and the third channel 3 to continuously enter the micro-catheter and the anhydrous alcohol delivery device, so that the lotion fluid discharges residual water-containing liquid in the micro-catheter and the anhydrous alcohol delivery device. Thereafter, the valve 11 is continuously rotated to communicate the second passage 2 with the third passage 3, thereby allowing the anhydrous alcohol to be transported. In the process of conveying the anhydrous alcohol, the micro-catheter and the anhydrous alcohol conveying device only adhere to the lotion, and the lotion is not mutually soluble with the anhydrous alcohol, so that the anhydrous alcohol cannot be diluted, and the inaccurate concentration of the anhydrous alcohol cannot be caused.
Example 3
As shown in fig. 6, the quantitative infusion set has a three-way communication member, which can realize the fluid communication of three passages, wherein the first passage 1 is connected with a cavity 12, and the cavity defines the volume. The second passage 2 and the third passage 3 are provided with interfaces 4 and 5 which can be connected with external equipment, and the first passage 1 is provided with a valve 11 which is specifically rotary. The chamber has a delivery actuator 13 for driving fluid through the valve. The second path 2 and the third path 3 have card and connection structures 41, 51, respectively, for connecting external devices. The lotion which can be contained in the cavity of the infusion apparatus is liquid.
When the device is used, the second channel 2 and the third channel 3 of the infusion apparatus are respectively connected to the micro-catheter and the anhydrous alcohol delivery device, the micro-catheter is connected to a lesion part of a human body, before the anhydrous alcohol is delivered, the valve 11 is firstly opened, the containing cavity 12 is communicated to the second channel 2 and the third channel 3, the infusion actuator 13 is operated, so that lotion fluid in the containing cavity 12 enters the second channel 2 and the third channel 3 to continuously enter the micro-catheter and the anhydrous alcohol delivery device, and therefore the lotion fluid discharges residual water-containing liquid in the micro-catheter and the anhydrous alcohol delivery device. Thereafter, the valve 11 is closed to allow the second passage 2 to communicate only with the third passage 3, thereby allowing the anhydrous alcohol to be transferred. In the process of conveying the anhydrous alcohol, the micro-catheter and the anhydrous alcohol conveying device only adhere to the lotion, and the lotion is not mutually soluble with the anhydrous alcohol, so that the anhydrous alcohol cannot be diluted, and the inaccurate concentration of the anhydrous alcohol cannot be caused.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects: the infusion apparatus has simple operation and lower cost, is easy to control the cleanliness in the operation process, and does not pollute the medicament; the infusion apparatus can accurately control the delivery quantity of the reagent and the concentration acting on the pathological change part in the treatment process of the human body, ensure the treatment effect and simultaneously inhibit the occurrence of complications; simultaneously, utilize the utility model discloses an equipment can explore the relation of the reagent volume and the reagent concentration of pathological change position to clinical effect, has the guide effect to clinical practice.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. An infusion set for maintaining reagent concentration, characterized in that: the infusion apparatus is provided with a three-way communication piece which can realize fluid communication of three passages, wherein the first passage is connected with a containing cavity, the second passage and the third passage are provided with interfaces which can be connected with external equipment, and the passages are provided with valves.
2. The infusion set according to claim 1, wherein the valve is located on the first pathway.
3. An infusion set according to claim 2, characterised in that the valve is of the rotary, toggle or push type.
4. The infusion set according to claim 1, wherein the valve is located at the intersection of the three pathways.
5. The infusion set according to claim 4, wherein the valve is a ball valve, a butterfly valve, a three-position three-way valve, or a three-way regulating valve.
6. The infusion set according to claim 1, wherein said chamber has a delivery actuator thereon, said delivery actuator driving fluid through said valve.
7. The infusion set according to claim 1, wherein fluid can be passed through said valve by squeezing the chamber.
8. The infusion set according to claim 1, wherein the interface of the second and third paths has a connection structure for connection with an external device, the connection structure being a snap and connection structure or a threaded connection structure.
9. The infusion set according to claim 1, wherein the cavity contains a fluid, the fluid being a gas or a liquid immiscible with anhydrous alcohol.
10. The infusion set according to claim 1, wherein the cavity contains a fluid, the fluid being air, or an inert gas, or a combination of air and an inert gas.
11. The infusion set according to claim 1, wherein the cavity contains a fluid that is perfluorodecalin, or iodooil, or a combination of perfluorodecalin and iodooil.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922289549.8U CN211751481U (en) | 2019-12-18 | 2019-12-18 | Infusion apparatus capable of keeping reagent concentration |
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| CN201922289549.8U CN211751481U (en) | 2019-12-18 | 2019-12-18 | Infusion apparatus capable of keeping reagent concentration |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154260A (en) * | 2021-03-03 | 2021-07-23 | 北京柯莱文科技咨询有限公司 | Method for maintaining reagent delivery concentration |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154260A (en) * | 2021-03-03 | 2021-07-23 | 北京柯莱文科技咨询有限公司 | Method for maintaining reagent delivery concentration |
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