CN202366173U - Dispensing and injecting needle - Google Patents
Dispensing and injecting needle Download PDFInfo
- Publication number
- CN202366173U CN202366173U CN2011205748824U CN201120574882U CN202366173U CN 202366173 U CN202366173 U CN 202366173U CN 2011205748824 U CN2011205748824 U CN 2011205748824U CN 201120574882 U CN201120574882 U CN 201120574882U CN 202366173 U CN202366173 U CN 202366173U
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- CN
- China
- Prior art keywords
- needle
- dispensing
- entry
- communicates
- necking down
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a dispensing and injecting needle and belongs to the technical field of medical appliances. The dispensing and injecting needle is characterized in that a hermetically combined dispensing needle is arranged at the front end of an injection needle; the dispensing needle is composed of a needle bed, a reduced section and a conical needle head; the conical needle head is internally provided with a liquid cavity communicated with the external needle bed and an air cavity communicated with an air outlet in the reduced section; and the reduced section is internally provided with a filter element. The dispensing and injecting needle is reasonable and simple in structure, is simple and convenient to operate and can be used for bringing convenience to medical work.
Description
Technical field
The utility model discloses a kind of entry needle that makes up a prescription, belong to technical field of medical instruments.
Background technology
In medical diagnosis and treatment process, the configuration medicinal liquid is the injection and the necessary step of infusing.The common needle tubing of many uses substitutes when disposing medicinal liquid at present, though developed the debris contamination that is caused when the side opening pin reduces the puncture bottle stopper, can not this problem be solved fully; A kind of combined type dispensing entry needle is also arranged on the market, need repeatedly pull up when the doctor makes up a prescription and the installation syringe needle that makes up a prescription, operate cumbersomely, bring puzzlement to the doctor.
The utility model content
For overcoming above-mentioned technical problem, it is a kind of rational in infrastructure, easy and simple to handle that this utility model provides, and can thoroughly eliminate debris contamination during use, can bring the entry needle that makes up a prescription easily to the doctor.
For realizing above-mentioned technical purpose; This utility model is to adopt following technical scheme to realize: a kind of entry needle that makes up a prescription; Comprise the entry needle that constitutes by interior needle stand, inner needle tube and standard puncturing head; It is characterized in that: the front end of entry needle is provided with the dispensing needle of airtight combination; Described dispensing needle comprises an outer needle stand that cooperates with inner needle tube, and outer needle stand front end is connected with tapered syringe needle through necking down, the venting cavity that is provided with the fluid-through chamber that communicates with outer needle stand in the tapered syringe needle and communicates with air vent in the necking down; Be provided with filter element in the described necking down; Described tapered syringe needle outer wall is provided with the circular hole that communicates with fluid-through chamber.
The utlity model has following beneficial effect: when making up a prescription dispensing needle and entry needle seal group are unified piece; Because the tapered needle of entry needle is provided with fluid-through chamber and venting cavity; Internal gas pressure and extraneous balance can guarantee to make up a prescription; Smooth when guaranteeing the medicinal liquid extraction, owing to be provided with filter element in the necking down, can prevent that the chip in the medicine bottle from getting into dispensing needle internal contamination medicinal liquid; It is rational in infrastructure, simple, and is easy and simple to handle, has brought convenience to medical work.
Description of drawings
Accompanying drawing is this utility model structural representation.
Among the figure, 1, inner needle tube, 2, dispensing needle, 3, interior needle stand, 4, the standard puncturing head, 5, outer needle stand, 6, handgrip is installed, 7, necking down, 8, air vent, 9, tapered syringe needle, 10, venting cavity, 11, filter element, 12, the circle eye, 13, fluid-through chamber.
The specific embodiment
With reference to accompanying drawing; A kind of entry needle that makes up a prescription; Comprise the entry needle that is made up of interior needle stand 3, inner needle tube 1 and standard puncturing head 4, it is characterized in that: the front end of entry needle is provided with the dispensing needle 2 of airtight combination, and described dispensing needle 2 comprises an outer needle stand 5 that cooperates with inner needle tube 1; Outer needle stand 5 front ends are connected with tapered syringe needle 9 through necking down 7, the venting cavity 10 that is provided with the fluid-through chamber that communicates with outer needle stand 5 13 in the tapered syringe needle 9 and communicates with air vent 8 in the necking down 7; Be provided with filter element 11 in the described necking down 7; Described tapered syringe needle 9 outer walls are provided with the circular hole 12 that communicates with fluid-through chamber 13; Described outer needle stand 5 is provided with installs handgrip 6.
Claims (1)
1. entry needle that makes up a prescription; Comprise the entry needle that constitutes by interior needle stand, inner needle tube and standard puncturing head; It is characterized in that: the front end of entry needle is provided with the dispensing needle of airtight combination; Described dispensing needle comprises an outer needle stand that cooperates with inner needle tube, and outer needle stand front end is connected with tapered syringe needle through necking down, the venting cavity that is provided with the fluid-through chamber that communicates with outer needle stand in the tapered syringe needle and communicates with air vent in the necking down; Be provided with filter element in the described necking down; Described tapered syringe needle outer wall is provided with the circular hole that communicates with fluid-through chamber.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011205748824U CN202366173U (en) | 2011-12-05 | 2011-12-05 | Dispensing and injecting needle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011205748824U CN202366173U (en) | 2011-12-05 | 2011-12-05 | Dispensing and injecting needle |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202366173U true CN202366173U (en) | 2012-08-08 |
Family
ID=46589898
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2011205748824U Expired - Fee Related CN202366173U (en) | 2011-12-05 | 2011-12-05 | Dispensing and injecting needle |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN202366173U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110123632A (en) * | 2019-06-11 | 2019-08-16 | 聚民生物科技有限公司 | A kind of precise injection needle containing needle for dispensing medicine |
CN113397975A (en) * | 2021-07-28 | 2021-09-17 | 杭州钱塘隆越生物科技有限公司 | Nested formula redissolution device |
-
2011
- 2011-12-05 CN CN2011205748824U patent/CN202366173U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110123632A (en) * | 2019-06-11 | 2019-08-16 | 聚民生物科技有限公司 | A kind of precise injection needle containing needle for dispensing medicine |
CN113397975A (en) * | 2021-07-28 | 2021-09-17 | 杭州钱塘隆越生物科技有限公司 | Nested formula redissolution device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120808 Termination date: 20121205 |