CN216148750U

CN216148750U - High-capacity high-speed drainage medical infusion bridge tube

Info

Publication number: CN216148750U
Application number: CN202122293710.6U
Authority: CN
Inventors: 李娟�
Original assignee: Zhongnan Hospital of Wuhan University
Current assignee: Zhongnan Hospital of Wuhan University
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-04-01
Anticipated expiration: 2031-09-18

Abstract

A high-capacity high-speed drainage medical transfusion bridge pipe comprises a bridge pipe and a connector, wherein the bridge pipe comprises a negative pressure kettle, the upper end of the negative pressure kettle is connected with a first connecting port through a first connecting pipe, and the lower end of the negative pressure kettle is connected with a second connecting port through a second connecting pipe; the connector comprises a body, a sleeve, a puncture needle and a fixed plug, wherein the sleeve is arranged in the body and penetrates through the body, the fixed plug is arranged in the sleeve, the puncture needle is arranged in the sleeve through the fixed plug, and the needle head faces the upper end of the sleeve. The utility model ensures that the liquid medicine is prepared in a closed sterile manner, and simultaneously adopts the principles of negative pressure suction and pressure injection, thereby ensuring the high efficiency of the liquid medicine preparation, greatly improving the working efficiency of medical staff and effectively reducing the pollution probability in the preparation process of common liquid medicine.

Description

High-capacity high-speed drainage medical infusion bridge tube

Technical Field

The utility model relates to a medical apparatus, in particular to a high-capacity high-speed drainage medical infusion bridge tube.

Background

Intravenous infusion is a method of infusing a large amount of sterile liquid, electrolyte and medicine into the body from veins by utilizing the principles of atmospheric pressure and hydrostatic pressure. When the patient need carry out vein high nutrition treatment, often need adopt compound nutrient solution, consequently medical staff often need dispose and drainage, and because vein high nutrition treatment liquid volume is big, if adopt traditional syringe suction configuration to cause the pollution very easily, adopt ordinary infusion bridge pipe configuration on the one hand drainage slow, influence work efficiency, the configuration is not in place when the patient needs emergency use, on the other hand long-time gravity drainage leads to puncture point to expose in the air very easily to pollute, moreover, if add a bottle of liquid change bridge pipe of using at present clinically every time, cause the pollution of configuration bag easily, if only use a bridge pipe, can take place the pollution because of inserting in different raw material bottles repeatedly, can't guarantee venous transfusion's sterility.

SUMMERY OF THE UTILITY MODEL

The utility model provides a medical infusion bridge tube with high capacity and high speed drainage for solving the problems in the background technology.

The utility model adopts the following technical scheme:

a medical transfusion bridge tube with large capacity and high speed drainage, which comprises a bridge tube and a connector, wherein,

the bridge pipe comprises a negative pressure kettle, the upper end of the negative pressure kettle is connected with a first connecting port through a first connecting pipe, and the lower end of the negative pressure kettle is connected with a second connecting port through a second connecting pipe;

the connector comprises a body, a sleeve, a puncture needle and a fixed plug, wherein the sleeve is arranged in the body and penetrates through the body, the fixed plug is arranged in the sleeve, the puncture needle is arranged in the sleeve through the fixed plug, and the needle head faces the upper end of the sleeve.

Furthermore, the upper end of the sleeve is connected with a medicine bottle or an infusion bottle, and the lower end of the sleeve is connected with the first connecting port or the second connecting port.

Furthermore, clamping pieces are arranged on two sides of the sleeve on the lower portion of the body and used for clamping the first connecting port or the second connecting port.

Further, an injector connecting pipe is arranged on the body, and one end of the injector connecting pipe is communicated with the sleeve.

Further, the other end of the syringe connecting pipe is provided with a pipe plug capable of being opened.

Furthermore, a first switch valve and a second switch valve are respectively arranged on the first connecting pipe and the second connecting pipe of the bridge pipe.

Furthermore, the lower end of the sleeve is inserted into the first connecting port or the second connecting port, and gaskets are arranged in the first connecting port and the second connecting port.

Further, the fixed plug and the lancet can be removed from the cannula.

The utility model has the beneficial effects that:

the utility model ensures that the liquid medicine is prepared in a closed sterile manner, and simultaneously adopts the principles of negative pressure suction and pressure injection, thereby ensuring the high efficiency of the liquid medicine preparation, greatly improving the working efficiency of medical staff and effectively reducing the pollution probability in the preparation process of common liquid medicine.

Drawings

FIG. 1 is a schematic view of a bridge tube structure;

FIG. 2 is a schematic view of a connector configuration;

FIG. 3 is a schematic view of the internal structure of FIG. 2;

in the figure: 1 bridge pipe, 101 negative pressure kettle, 102 first connecting port, 103 second connecting port, 104 first connecting pipe, 105 second connecting pipe, 106 first switch valve, 107 second switch valve, 2 connector, 201 body, 202 sleeve pipe, 203 pricker, 204 fixed plug, 205 rotating shaft, 206 injector connecting pipe, 207 pipe plug, 208 first pressing rod, 209 second pressing rod, 210 first clamping rod, 211 second clamping rod, 212 first return spring and 213 second return spring.

Detailed Description

Example (b):

in order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the utility model without any inventive step, are within the scope of protection of the utility model.

Unless otherwise defined, technical terms used herein shall have the ordinary meaning as understood by those having ordinary skill in the art to which the present invention belongs. The use of "first," "second," and similar terms in the description and claims of this patent does not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. "upper", "lower", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Referring to fig. 1, a medical infusion bridge pipe of high-speed drainage of large capacity, includes bridge pipe 1, bridge pipe 1 includes negative pressure kettle 101, negative pressure kettle 101 upper end is connected with first connector 102 through first connecting pipe 104, and the lower extreme is connected with second connector 103 through second connecting pipe 105, first connector 102 diameter is greater than first connecting pipe 104 diameter, and the diameter of second connector 103 is greater than the diameter of second connector 103, first connector 102, the inside gasket that is provided with of second connector 103, preferably the gasket is the silica gel gasket for connect sealed. The first connection pipe 104 and the second connection pipe 105 are provided with a first switch valve 106 and a second switch valve 107, and the first switch valve 106 and the second switch valve 107 adopt the prior art means. The first connecting pipe 104 and the second connecting pipe 105 are marked with indicating arrows, and the directions of the two indicating arrows are the same to ensure the accuracy of the connection.

Referring to fig. 2 and 3, the high-capacity high-speed drainage medical infusion bridge tube further comprises a connector 2, wherein the connector 2 comprises a body 201, a sleeve 202, a puncture needle 203 and a fixed plug 204. The sleeve 202 is installed in the body 201 and penetrates through the body 201, the upper end and the lower end of the sleeve 202 both extend out of the body 201, the upper end of the sleeve 202 is used for connecting a medicine bottle or an infusion bottle, when the medicine bottle or the infusion bottle is used, the bottle opening of the medicine bottle or the infusion bottle is inserted into the upper end of the sleeve 202, and a certain insertion depth is ensured to prevent separation. The fixed plug 204 is installed in the sleeve, and preferably, the fixed plug 204 is made of silica gel. The middle part of the fixing plug 204 is provided with a through hole, the needle handle of the puncture needle 203 is inserted into the through hole, the lower end of the puncture needle penetrates out of the lower end of the sleeve, the needle head of the puncture needle 203 faces the upper end of the sleeve and is positioned in the sleeve, the needle head of the puncture needle 203 is in a conical structure, the outer diameter of the edge of the needle head is larger than the diameter of the needle handle, the lower end of the needle handle is provided with a pressing pad used for increasing the contact area with a hand, and when the needle needs to be withdrawn, the puncture needle 203 is pulled through the pressing pad, and the needle head of the puncture needle 203 drives the fixing plug 204 to be withdrawn from the sleeve 202 together.

When the sleeve 202 is used, the sleeve 202 is inserted into the bottle mouth of a medicine bottle or an infusion bottle, the outer diameter of the sleeve 202 is equal to the inner diameter of the bottle mouth of the medicine bottle or the infusion bottle, the sleeve 202 is inserted into the bottle along the edge of the bottle mouth, the side wall of the sleeve 202 is located between a bottle stopper and the bottle mouth when the sleeve 202 is inserted into the bottle mouth, and meanwhile, the edge of the upper end of the sleeve 202 is polished to be a slope to facilitate the insertion of the sleeve 202 into the bottle, so that the bottle stopper is prevented from being pushed into the bottle by the sleeve 202. Then the needle handle of the puncture needle 203 is pushed to make the puncture needle 203 puncture the bottle stopper of the medicine bottle or the infusion bottle, the needle handle of the puncture needle 203 is pulled to exit the puncture needle 203, the bottle stopper is punctured by the puncture needle 203, and the needle of the puncture needle 203 drives the fixed plug 204 to be separated from the sleeve 202.

Two clamping pieces are arranged on two sides of the sleeve 202 on the lower portion of the body 201 and used for clamping the first connecting port 102 or the second connecting port 103, referring to fig. 3, the two clamping pieces are identical in structure, one of the clamping pieces comprises a first pressing rod 208 and a first clamping rod 210, and the other clamping piece comprises a first pressing rod 208 and a second clamping rod 211; taking one of the clamping members as an illustration, the first pressing rod 208 is slidably mounted in the body 201, one end of the first pressing rod extends out of the body 201, the upper portion of the first clamping rod 210 is located at the middle lower portion of the body 201 and extends out of the body 201, the upper end of the first clamping rod 210 is connected with the other end of the first pressing rod 208 through the rotating shaft 205, the middle portion of the first clamping rod 210 is mounted in the body 201 through the rotating shaft 205, the lower end of the first clamping rod 210 is provided with a buckle, a first return spring 212 is connected between the upper end of the clamping rod and the sleeve 202, and in this embodiment, the return spring is preferably a V-shaped spring. When the first and second

pressing levers

208 and 209 are pressed, the first and second

catching levers

210 and 211 rotate, and the two return springs are compressed. At this time, the two clamping pieces are opened, the lower end of the sleeve 202 is inserted into the first connector 102, then the first pressing rod 208 and the second pressing rod 209 are released, the first clamping rod 210 and the second clamping rod 211 rotate again under the action of the two return springs, and the clamping buckle at the lower end of the clamping rods clamps the first connector 102. Through setting up the fastener, can make connector 2 be connected inseparabler with bridge pipe 1, avoid hand contact sleeve pipe 202 or connecting pipe and cause the pollution simultaneously. It should be noted that the body 201 is a solid or hollow structure, and when the body is a solid structure, a groove or a notch for the movement of the clamping rod and the pressing rod is formed in the body. It should be noted that the card media structure shown in fig. 3 of the present invention is only a preferred embodiment of the present invention, and those skilled in the art can select other card media structures to achieve the objectives of the present invention.

The outer diameter of the sleeve 202 is equal to the inner diameters of the first connection port 102 and the second connection port 103, and the gaskets arranged in the first connection port 102 and the second connection port 103 can support the opening edge of the column sleeve 202 to play a sealing role when the lower end of the sleeve 202 is inserted into the connection ports.

The main body 201 is provided with a syringe connecting tube 206, one end of the syringe connecting tube 206 is communicated with the sleeve 202, the other end of the syringe connecting tube 206 is provided with a tube plug 207 which can be opened, in the configuration process of the infusion bottle, a syringe can be used for injecting liquid medicine with other components into the sleeve 202 through the syringe connecting tube 206, and the tube plug 207 is arranged to ensure the sealing performance of the syringe connecting tube 206 when not used.

Preferably, the sleeve 202 is made of hard transparent plastic material, so that the sleeve can be conveniently connected with the first connecting port 102 or the second connecting port 103 and can be conveniently inserted into a bottle mouth; preferably, the first connection port 102 and the second connection port 103 are made of hard transparent plastic materials, and are conveniently connected with the lower end of the sleeve 202; preferably, the first connection pipe 104 and the second connection pipe 105 are made of soft plastics or hard plastics, when the soft plastics are selected, the first switch valve 106 and the second switch valve 107 may be set by using a switch valve on an existing infusion tube, and when the hard plastics are selected, the first switch valve 106 and the second switch valve 107 may be selected by using a ball valve.

The using method comprises the following steps:

in use, at least two connectors 2 and one bridge tube 1 are selected, the first switch valve 106 and the second switch valve 107 on the bridge tube 1 are confirmed to be in a closed state, the upper end of the sleeve 202 of one connector 2 is connected with a medicine bottle, the medicine bottle is pierced through by the puncture needle 203, then the puncture needle 203 and the fixed plug 204 are taken out, and the lower end of the sleeve 202 is connected with the first connector 102 of the bridge tube 1; similarly, the upper end of the sleeve 202 of the other connector 2 is connected with an infusion bottle, the infusion bottle is pierced, the puncture needle 203 and the fixed plug 204 are taken out, and the lower end of the sleeve 202 of the connector 2 is connected with the second connecting port 103; when the first switch valve 106 is opened, the negative pressure kettle 101 is pressed, air in the negative pressure kettle 101 is squeezed into the medicine bottle, liquid medicine in the medicine bottle is sucked into the negative pressure kettle 101, the first switch valve 106 is closed, the second switch valve 107 is opened, then the negative pressure kettle 101 is squeezed to squeeze the liquid medicine into the infusion bottle, and the circulation operation is carried out, so that the liquid medicine can be efficiently and quickly transported from the medicine bottle to the configuration infusion bottle.

In order to ensure the sufficient and effective squeezing and to conform to the hand grip of the human palm, it is preferable to design the negative pressure pot 101 with a volume of 100ml, and a 500ml bottle of liquid can be circulated 5 times to complete the suction, and the right hand grip of an adult is 300N, so that the liquid flow rate is greatly increased compared with the case of passing through the common 2mm diameter bridge tube 1 only by gravity.

When a plurality of bottles of liquid medicine need to be configured, only one connector 2 is needed to be connected with the next bottle of liquid medicine, the previous connector 2 and the medicine bottle are taken down from the bridge pipe 1, and then the medicine bottle to be configured and the connector 2 are connected with the first connector 102 of the bridge pipe, so that the puncture end is prevented from being polluted in the repeated pulling-out process, and the high efficiency of liquid medicine configuration is also ensured.

Claims

1. The utility model provides a medical infusion bridge tube of high-speed drainage of large capacity which characterized in that: comprises a bridge pipe and a connector, wherein,

2. The high-capacity high-speed drainage medical infusion bridge pipe according to claim 1, wherein: the upper end of the sleeve is connected with a medicine bottle or an infusion bottle, and the lower end of the sleeve is connected with the first connector or the second connector.

3. The high-capacity high-speed drainage medical infusion bridge pipe according to claim 1, wherein: the clamping pieces are arranged on two sides of the sleeve on the lower portion of the body and used for clamping the first connecting port or the second connecting port.

4. A high capacity high speed drainage medical infusion bridge tube according to any one of claims 1 to 3, wherein: the body is provided with an injector connecting pipe, and one end of the injector connecting pipe is communicated with the sleeve.

5. The high-capacity high-speed drainage medical infusion bridge pipe according to claim 4, wherein: the other end of the syringe connecting pipe is provided with a pipe plug which can be opened.

6. The high-capacity high-speed drainage medical infusion bridge pipe according to claim 4, wherein: and a first switch valve and a second switch valve are respectively arranged on the first connecting pipe and the second connecting pipe of the bridge pipe.

7. The high-capacity high-speed drainage medical infusion bridge pipe according to claim 1, wherein: the lower end of the sleeve is inserted into the first connector or the second connector, and gaskets are arranged in the first connector and the second connector.

8. The high-capacity high-speed drainage medical infusion bridge pipe according to claim 1, wherein: the fixed plug and the lancet can be removed from the cannula.