CN217567006U

CN217567006U - Special anticreep subassembly of TCD foaming test

Info

Publication number: CN217567006U
Application number: CN202123323125.2U
Authority: CN
Inventors: 马明明; 张晓莉; 王霞
Original assignee: First Peoples Hospital of Lianyungang
Current assignee: First Peoples Hospital of Lianyungang
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-10-14
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses a special anticreep subassembly of TCD foaming test, including Y type three-way pipe, the one end of Y type three-way pipe is vein end interface, vein end interface connection vein needle, the vein needle comprises syringe needle, needle handle, joint, the other both ends of Y type three-way pipe are injector end interface, specifically are left injector end interface and right injector end interface, injector end interface connection syringe, install the rotary valve on the pipeline of left injector end interface and right injector end interface, vein end interface and injector end interface adopt the internal thread structure, joint, injector plug adopt the external screw thread structure, the vein end of the internal cavity of Y type three-way pipe is the arcwall face, be equipped with a plurality of through-holes on the arcwall face; the utility model discloses being exclusively used in TCD foaming test, combining with current three-way valve, the needle of keeping somewhere and comparing, matching the linking relation and changing, do not have slippage or splash scheduling problem, connect or the interface all adopts luer joint structure, its relation of connection is firm sealed more.

Description

Special anticreep subassembly of TCD foaming test

Technical Field

The utility model belongs to the technical field of the inspection, concretely relates to special anticreep subassembly of TCD foaming test.

Background

TCD foaming is a saline excitation test method by using transcranial Doppler, 1ml of air and 9ml of physiological saline are fully mixed and then injected through an elbow vein, arterial blood flow in the brain is monitored, the quantity of microemboli signals after calm breathing and Valsalva action are respectively observed, if abnormal heart or pulmonary arteriovenous shunt exists, the microemboli signals enter a left heart and a body circulation system through shunting, and the microemboli signals of cerebral arteries can be monitored through Doppler, so that right-left shunting is diagnosed. The TCD foaming test has simple operation, high sensitivity and no wound, and is technically mature at home and abroad. The Delixiki double-channel multi-depth TCD instrument is adopted, the detection accuracy is high, and the development of the technology has important significance for the detection of migraine and the etiology of unknown-cause cerebral apoplexy.

In actual operation, generally adopt to keep somewhere needle, syringe and tee bend and combine the use, the equipment process exists to match not suitably, often adopts hose or its joint indirect connection, in the foaming process, the syringe need inject fast repeatedly, often takes place the tee bend with put the problem of needle, syringe slippage, when lieing in the operation, nursing staff need hold between the fingers and keep somewhere end and tee bend junction, secondly, adopts conventional needle of keeping somewhere, and the Y type structure of keeping somewhere the needle influences the foaming process.

Disclosure of Invention

The utility model discloses a purpose design has a special anticreep subassembly of TCD foaming test, can be exclusively used in TCD foaming test and use, reduces because the problem of unmatching the emergence slippage.

In order to realize the purpose, the utility model discloses a technical scheme as follows:

the utility model provides a special anticreep subassembly of TCD foaming test, includes Y type three-way pipe, the one end of Y type three-way pipe is vein end interface, vein end interface connection vein needle, the vein needle comprises syringe needle, needle handle, joint, the other both ends of Y type three-way pipe are syringe end interface, specifically are left syringe end interface and right syringe end interface, syringe end interface connection syringe, the installation rotary valve on the pipeline of left syringe end interface and right syringe end interface, vein end interface and syringe end interface adopt the internal thread structure, joint, syringe plug adopt the external screw thread structure, the vein end of the inside cavity of Y type three-way pipe is the arcwall face, be equipped with a plurality of through-holes on the arcwall face.

Furthermore, a screwing switch is added on the needle handle and used for controlling the bubble suspension to enter the vein of the human body.

Furthermore, luer connectors of uniform types are adopted as the connectors, the plugs and the interfaces.

Furthermore, the Y-shaped three-way pipe is made of transparent materials, and the process of manufacturing the bubble suspension can be observed.

Furthermore, a reducing structure is arranged between the Y-shaped three-way pipe and the interface of the injector end.

Further, the needle handle can be connected with an extension tube.

The technical scheme can obtain the following beneficial effects:

the utility model discloses being exclusively used in TCD foaming test, combining with current three-way valve, the needle of keeping somewhere and comparing, matching the linking relation and changing, do not have slippage or splash scheduling problem, connect or the interface all adopts luer joint structure, its relation of connection is firm sealed more.

The whole Y-shaped three-way pipe is made of transparent materials, and the state of the bubble suspension can be observed in the foaming test process, so that whether the liquid is injected into a vein or not can be determined.

The utility model discloses two syringes of Y type three-way pipe are close apart, make things convenient for nursing staff's both hands concurrent operation, solve original two people concurrent operation tacit subalternation problem, and one man operation is swift, and the suitable convenience of both hands operation position comes the reinjection to push away, and original two syringes set up perpendicularly, can not operate alone.

The utility model discloses Y type tee bend intraduct is the arc shape, is favorable to guiding the bubble suspension like this to remove in to another syringe, and when both boosting, the liquid is towards each other on the arcwall face, is favorable to the preparation of bubble suspension.

Drawings

FIG. 1 is a schematic diagram of the TCD foaming test assembly.

FIG. 2 is a schematic view of the inside of a Y-shaped tee.

In the figure:

in the figure: 1. a needle head; 2. a needle handle; 3. screwing a switch; 4. a joint; 5. a venous-end interface; 6. rotating the valve; 7. the injector comprises an injector plug, 8 parts of right injector end interface, 9 parts of left injector end interface, 10 parts of injector, 11 parts of cavity, 12 parts of arc-shaped surface.

Detailed Description

The invention will be further explained with reference to the drawings:

as shown in fig. 1-2, the anti-drop assembly special for TCD foaming test comprises a Y-shaped three-way pipe, wherein one end of the Y-shaped three-way pipe is a vein end interface 5, the vein end interface 5 is connected with a vein needle, the vein needle is composed of a needle head 1, a needle handle 2 and a joint 4, the other two ends of the Y-shaped three-way pipe are injector end interfaces, specifically a left injector end interface 9 and a right injector end interface 8, the injector end interfaces are connected with an injector, a rotary valve 6 is installed on the pipelines of the left injector end interface 9 and the right injector end interface 8, the vein end interface 5 and the injector end interface adopt an internal thread structure, the joint 4 and the injector plug 7 adopt an external thread structure, the vein end of an internal cavity 11 of the Y-shaped three-way pipe is an arc-shaped surface 12, and a plurality of through holes are arranged on the arc-shaped surface 12. And a screwing switch 3 is also added on the needle handle 2 and is used for controlling the bubble suspension to enter the vein of the human body. The connector, the plug and the interface adopt luer connectors of uniform models. The Y-shaped three-way pipe is made of transparent materials, and the process of manufacturing the bubble suspension can be observed. And a reducing structure is formed between the Y-shaped three-way pipe and the connector at the end of the injector. The needle handle 2 can be connected with an extension tube.

Example (b):

the patient lies on the bed, opens a venous access on patient's elbow vein, specifically punctures to the elbow vein through the vein needle, and the doctor puts TCD probe on patient's temporal window or other detection windows monitor cerebrovascular (the middle cerebral artery of commonly using) blood flow, adjusts relevant parameter, fixes. Get the utility model discloses syringe 10 extracts 9ml normal saline, extract 1ml gas again, be connected to on the syringe end interface of Y type three-way pipe with it, through the utility model discloses the vein end interface 5 of Y type three-way pipe connects the vein needle, and then with the venous access connection on the arm, open and twist switch 3, a pumpback blood, twist switch 3 and close, it also is connected to on another syringe end interface to get an empty syringe again, all open two rotary valves 6, then two syringes make the bubble suspension of back and forth pump push, after the bubble suspension was made, the bubble suspension got into in the syringe, then close rotary valve 6 on the other syringe, and will twist switch 3 and open, inject the bubble suspension of making to the vein, the bubble suspension gets into the vein through-hole on arcwall face 12, with the help of TCD embolus monitoring and analysis system, observe the micro-bubble operational aspect that gets into human vein.

In the above embodiments, the left syringe-end interface 9 and the right syringe-end interface 8 adopt a convex luer lock device, the plug portion of the syringe adopts a concave luer lock device, the connector 4 of the intravenous needle adopts a concave luer lock device, and the venous-end interface of the Y-shaped three-way pipe adopts a convex luer lock device.

In the above embodiment, the Y-shaped three-way tube is made of a transparent material, and the left syringe end port 9 and the right syringe end port 8 are both in a gradually-changed reduced shape, and the inner cavity thereof can contain 9ml of physiological saline.

The above description is the preferred embodiment of the present invention, and for those skilled in the art, modifications of the various equivalent forms of the present invention are within the scope of the appended claims of the present application without departing from the principle of the present invention.

Claims

1. The utility model provides a special anticreep subassembly of TCD foaming test, includes Y type three-way pipe, its characterized in that: the novel syringe is characterized in that one end of the Y-shaped three-way pipe is a vein end interface (5), the vein end interface (5) is connected with a vein needle, the vein needle is composed of a needle head (1) and a needle handle (2) joint (4), the other two ends of the Y-shaped three-way pipe are syringe end interfaces, specifically a left syringe end interface (9) and a right syringe end interface (8), the syringe end interfaces are connected with a syringe, a rotary valve (6) is installed on the pipelines of the left syringe end interface (9) and the right syringe end interface (8), the vein end interface (5) and the syringe end interfaces adopt an internal thread structure, the joint (4) and the syringe plug (7) adopt an external thread structure, the vein end of an internal cavity (11) of the Y-shaped three-way pipe is an arc-shaped surface (12), and a plurality of through holes are formed in the arc-shaped surface (12).

2. The anti-dropping assembly special for the TCD foaming test according to claim 1, characterized in that: a screwing switch (3) is additionally arranged on the needle handle (2) and is used for controlling the bubble suspension to enter the vein of the human body.

3. The anti-dropping assembly special for the TCD foaming test according to claim 1, characterized in that: the connector, the plug and the interface adopt luer connectors with uniform models.

4. The anti-dropping assembly special for the TCD foaming test according to claim 1, characterized in that: the Y-shaped three-way pipe is made of transparent materials, and the process of manufacturing the bubble suspension can be observed.

5. The anti-dropping assembly special for the TCD foaming test according to claim 1, characterized in that: and a reducing port structure is formed between the Y-shaped three-way pipe and the end interface of the injector.

6. The anti-dropping assembly special for the TCD foaming test according to claim 1, characterized in that: the needle handle (2) can be connected with an extension tube.