CN204637265U - A kind of ophthalmologic operation syringe pump extension tube - Google Patents
A kind of ophthalmologic operation syringe pump extension tube Download PDFInfo
- Publication number
- CN204637265U CN204637265U CN201520300633.4U CN201520300633U CN204637265U CN 204637265 U CN204637265 U CN 204637265U CN 201520300633 U CN201520300633 U CN 201520300633U CN 204637265 U CN204637265 U CN 204637265U
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- China
- Prior art keywords
- housing
- diameter cavity
- extension tube
- connection block
- major diameter
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- Expired - Fee Related
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a kind of ophthalmologic operation syringe pump extension tube, this extension tube is made up of the first body and the second body; First body and the second body are interconnected by the first Connection Block and the second Connection Block; First Connection Block comprises the first housing, and the first housing is provided with external screw thread; Cylindrical rubber plug is provided with in first housing; Minor diameter cavity and major diameter cavity is provided with in first housing; One end of rubber stopper and minor diameter cavity interference fit, the other end is arranged in major diameter cavity, and is provided with spring mounting seat; Rubber stopper is installed on the first enclosure interior by Compress Spring; Second Connection Block comprises the second housing, and the second housing is provided with the female thread coordinated with the external screw thread of the first housing, is provided with the hard sleeve of hollow in the second housing, this hard sleeve is communicated with the second body; Hard sleeve is provided with liquid outflow port; Extension tube inside is provided with liquid medicine filtering device.Extension tube of the present utility model effectively can prevent blood backflow.
Description
Technical field
This utility model belongs to medical apparatus and instruments technical field, is specifically related to a kind of ophthalmologic operation syringe pump extension tube.
Background technology
When clinical medicine used must be injected by intravenous route, and dosage must very accurately, total amount very little, injection speed is when needing slow or constant for a long time, the injector to inject pump that uses realizes above-mentioned purpose more.Syringe pump uses disposable syringe, connect after extension tube by medicinal liquid at the uniform velocity continuous print inject the Ink vessel transfusing of patient, medicinal liquid is finished the syringe needing the replacing be interrupted to be furnished with medicinal liquid, but in the process changing syringe, the phenomenon of blood pumpback may occur.
Utility model content
The technical problems to be solved in the utility model is to provide can the ophthalmologic operation syringe pump extension tube of effectively anti-backflow.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of ophthalmologic operation syringe pump extension tube, comprise body, one termination needle seat of remaining needle of body, the other end connects syringe needle, described extension tube is made up of two sections of being separated from each other, and comprises the first body be connected with needle seat of remaining needle and the second body be connected with syringe needle; The first described body and the second described body are by being separately positioned on the first Connection Block on the first body and the second body and the second Connection Block is interconnected;
The first described Connection Block comprises the first housing, and the first housing is provided with external screw thread; Cylindrical rubber plug is provided with in described first housing; Minor diameter cavity and major diameter cavity is provided with in described first housing; One end of described rubber stopper and minor diameter cavity interference fit and stretch out outside the first housing, the other end is arranged in major diameter cavity, and is provided with spring mounting seat; Described rubber stopper is installed on the first enclosure interior by Compress Spring; One end of Compress Spring is installed on spring mounting seat, and the other end is arranged at minor diameter cavity and major diameter cavity junction;
The second described Connection Block comprises the second housing, and the second housing is provided with the female thread coordinated with the external screw thread of the first housing, is provided with the hard sleeve of hollow in the second housing, this hard sleeve is communicated with the second body; Described hard sleeve is provided with liquid outflow port;
Described extension tube inside is provided with liquid medicine filtering device, this liquid medicine filtering device is the filter membrane comprising upper shell, lower house and be arranged between upper shell and lower house, and this filter membrane comprises the base cloth layer being arranged on filter membrane centre, the first filtration rete being arranged on base cloth layer front and is arranged on the second filtration rete at the base cloth layer back side; Described base cloth layer and first filters rete and second and filters rete and bond together respectively by binding agent.
Further, described minor diameter cavity is increasing until the equal diameters of device and major diameter cavity gradually with major diameter cavity junction diameter.
The beneficial effects of the utility model: ophthalmologic operation syringe pump extension tube of the present utility model effectively can prevent the phenomenon occurring blood back when changing syringe, when changing syringe, first body is separated with the second body, rubber stopper blocks the minor diameter cavity of the first housing, reaches the effect of closedown first body; The liquid medicine filtering device that extension tube is arranged, impurity when effectively can filter transfusion in medicinal liquid, safer.
Accompanying drawing explanation
Fig. 1 is the structural representation of extension tube of the present utility model.
Fig. 2 is the first Connection Block of extension tube of the present utility model and the structural representation of the second Connection Block.
Fig. 3 is the structural representation of liquid medicine filtering device of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is elaborated.
As Figure 1-3, for a kind of ophthalmologic operation syringe pump extension tube of the present utility model, comprise body, one termination needle seat of remaining needle of body, the other end connects syringe needle, extension tube is made up of two sections of being separated from each other, and comprises the first body 10 be connected with needle seat of remaining needle and the second body 20 be connected with syringe needle; First body 10 and the second body 20 are by being separately positioned on the first Connection Block 30 on the first body 10 and the second body 20 and the second Connection Block 40 is interconnected;
First Connection Block 30 comprises on the first housing 31, first housing 31 and is provided with external screw thread; Cylindrical rubber plug 32 is provided with in first housing 31; Minor diameter cavity 33 and major diameter cavity 34 is provided with in first housing 31; One end of rubber stopper 32 and minor diameter cavity 33 interference fit and stretch out outside the first housing 31, the other end is arranged in major diameter cavity 34, and is provided with spring mounting seat 35; It is inner that rubber stopper 32 is installed on the first housing 31 by Compress Spring 36; One end of Compress Spring 36 is installed on spring mounting seat 35, and the other end is arranged at minor diameter cavity 33 and major diameter cavity 34 junction;
Second Connection Block 40 comprises on the second housing 41, second housing 41 and is provided with the female thread coordinated with the external screw thread of the first housing 31, and be provided with the hard sleeve 42 of hollow in the second housing 41, this hard sleeve 42 is communicated with the second body 20; Hard sleeve 42 is provided with liquid outflow port 43;
Extension tube inside is provided with liquid medicine filtering device 50, this liquid medicine filtering device 50 is the filter membrane comprising upper shell 51, lower house 52 and be arranged between upper shell 51 and lower house 52, and this filter membrane comprises the base cloth layer 53 being arranged on filter membrane centre, the first filtration rete 54 being arranged on base cloth layer 53 front and is arranged on the second filtration rete 55 at base cloth layer 53 back side; Base cloth layer 53 and first filters rete 54 and second and filters rete 55 and bond together respectively by binding agent.
In the present embodiment, minor diameter cavity 33 is increasing until the equal diameters of device and major diameter cavity 34 gradually with major diameter cavity 34 junction diameter.
More than show and describe ultimate principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; this utility model is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present utility model; under the prerequisite not departing from this utility model spirit and scope; this utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed this utility model.The claimed scope of this utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. an ophthalmologic operation syringe pump extension tube, comprise body, one termination needle seat of remaining needle of body, the other end connects syringe needle, it is characterized in that: described extension tube is made up of two sections of being separated from each other, comprise the first body be connected with needle seat of remaining needle and the second body be connected with syringe needle; The first described body and the second described body are by being separately positioned on the first Connection Block on the first body and the second body and the second Connection Block is interconnected;
The first described Connection Block comprises the first housing, and the first housing is provided with external screw thread; Cylindrical rubber plug is provided with in described first housing; Minor diameter cavity and major diameter cavity is provided with in described first housing; One end of described rubber stopper and minor diameter cavity interference fit and stretch out outside the first housing, the other end is arranged in major diameter cavity, and is provided with spring mounting seat; Described rubber stopper is installed on the first enclosure interior by Compress Spring; One end of Compress Spring is installed on spring mounting seat, and the other end is arranged at minor diameter cavity and major diameter cavity junction;
The second described Connection Block comprises the second housing, and the second housing is provided with the female thread coordinated with the external screw thread of the first housing, is provided with the hard sleeve of hollow in the second housing, this hard sleeve is communicated with the second body; Described hard sleeve is provided with liquid outflow port;
Described extension tube inside is provided with liquid medicine filtering device, this liquid medicine filtering device is the filter membrane comprising upper shell, lower house and be arranged between upper shell and lower house, and this filter membrane comprises the base cloth layer being arranged on filter membrane centre, the first filtration rete being arranged on base cloth layer front and is arranged on the second filtration rete at the base cloth layer back side; Described base cloth layer and first filters rete and second and filters rete and bond together respectively by binding agent.
2. a kind of ophthalmologic operation syringe pump extension tube according to claim 1, is characterized in that: described minor diameter cavity is increasing until the equal diameters of device and major diameter cavity gradually with major diameter cavity junction diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520300633.4U CN204637265U (en) | 2015-05-12 | 2015-05-12 | A kind of ophthalmologic operation syringe pump extension tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520300633.4U CN204637265U (en) | 2015-05-12 | 2015-05-12 | A kind of ophthalmologic operation syringe pump extension tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204637265U true CN204637265U (en) | 2015-09-16 |
Family
ID=54090048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520300633.4U Expired - Fee Related CN204637265U (en) | 2015-05-12 | 2015-05-12 | A kind of ophthalmologic operation syringe pump extension tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204637265U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107496049A (en) * | 2017-09-29 | 2017-12-22 | 深圳北京大学香港科技大学医学中心 | A kind of jugular vein long term administration indwelling pipe device and its application method |
| CN110801552A (en) * | 2019-11-14 | 2020-02-18 | 华中科技大学同济医学院附属协和医院 | Auxiliary fixtures convenient to adjust extension tube length |
-
2015
- 2015-05-12 CN CN201520300633.4U patent/CN204637265U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107496049A (en) * | 2017-09-29 | 2017-12-22 | 深圳北京大学香港科技大学医学中心 | A kind of jugular vein long term administration indwelling pipe device and its application method |
| CN110801552A (en) * | 2019-11-14 | 2020-02-18 | 华中科技大学同济医学院附属协和医院 | Auxiliary fixtures convenient to adjust extension tube length |
| CN110801552B (en) * | 2019-11-14 | 2024-05-24 | 华中科技大学同济医学院附属协和医院 | Auxiliary fixtures convenient to adjust extension pipe length |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 Termination date: 20160512 |