CN105126193A - Inner core bar for core bar of prefilled catheter irrigator - Google Patents
Inner core bar for core bar of prefilled catheter irrigator Download PDFInfo
- Publication number
- CN105126193A CN105126193A CN201410223171.0A CN201410223171A CN105126193A CN 105126193 A CN105126193 A CN 105126193A CN 201410223171 A CN201410223171 A CN 201410223171A CN 105126193 A CN105126193 A CN 105126193A
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- China
- Prior art keywords
- core bar
- core rod
- internal core
- inner core
- sealing ring
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Abstract
The invention discloses an inner core bar for a core bar of a prefilled catheter irrigator. The inner core bar for the core bar of the prefilled catheter irrigator comprises an inner core bar body and an inner core bar handle; a radial medicine accommodating groove is formed in the side wall of the front end of the inner core bar body; a first sealing ring and a second sealing ring are formed in the outer wall of the inner core bar body; the rear end of the inner core bar body is arranged in the inner core bar handle; the space between the rear end of the inner core bar body and the inner core bar handle is provided with a first clamping groove, a second clamping groove and a clamping projection; and a third clamping projection is arranged on the inner core bar handle. The inner core bar and a corresponding outer core bar form the core bar; the core bar is used in a corresponding jacket; normal saline and medicines can be premixed; therapeutic medicines can be injected into a pipeline system when a pipeline is irrigated; and moreover, the medicines and the normal saline are mixed in the catheter irrigator, other puncture is not required, and pollution on the medicines is reduced greatly.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, particularly relate to a kind of internal core rod for pre-filled catheter flusher core bar.
Background technology
At present after having injected medicine by remaining needle, usual employing normal saline rinses indwelling needle catheter, but use normal saline to carry out simple flushing of pipeline, any therapeutical effect can not be played, and to use the normal saline adding medicine to rinse, then need to be punctured to bottle stopper by dispensing needle in the process of making up a prescription, the rubber on bottle stopper may produce chip and cause pollution to medicine in the process of puncture, loses more than gain.
Therefore, how to realize normal saline and medicine to be pre-mixed and curative infusion of drug to be entered pipe-line system in the process of rinsing pipeline be that those skilled in the art are devoted to one of problem solved.
Summary of the invention
Object of the present invention, provides the internal core rod for pre-filled catheter flusher core bar that a kind of structure is simple, easy to use exactly in order to solve the problem.
The object of the present invention is achieved like this:
A kind of internal core rod for pre-filled catheter flusher core bar of the present invention, the internal core rod comprising internal core rod body and be connected with this internal core rod body rear end is by hands, the sidewall of the leading section of described internal core rod body is provided with a medicament containment groove be disposed radially, described internal core rod body outer wall is respectively equipped with the first o-ring groove and the second o-ring groove, the first sealing ring is embedded with in first o-ring groove, the second sealing ring is embedded with in second o-ring groove, described first sealing ring is positioned at the top of medicament containment groove, described second sealing ring is positioned at the below of described medicament containment groove,
Described internal core rod holds the internal core rod body containing cavity of described internal core rod body rearward end by being provided with on hand, described internal core rod body containing cavity inwall is provided with the first slot and the second slot respectively, described internal core rod body outer wall is respectively equipped with the first engaging protrusion be sticked in described first slot, and is sticked in the second engaging protrusion in described second slot;
Described internal core rod is provided with the 3rd engaging protrusion by hands outer wall.
Above-mentioned a kind of internal core rod for pre-filled catheter flusher core bar, wherein, described internal core rod body outer wall is also provided with the 3rd o-ring groove, is embedded with the 3rd sealing ring in the 3rd o-ring groove, described 3rd sealing ring is between described medicament containment groove and the second sealing ring.
Internal core rod of the present invention and supporting outer core bar form core bar, this core bar is placed in supporting overcoat and uses, being pre-mixed of normal saline and medicine can be realized, and in the process that pipeline is rinsed, curative infusion of drug is entered pipe-line system, simultaneously, make medicine rest on catheter flusher inside with mixing of normal saline, do not need to carry out other punctures, greatly reduce the pollution to medicine.
Structure of the present invention is simple, easy to use, greatly improves the work efficiency of medical personnel.
Accompanying drawing explanation
Fig. 1 is sectional view of the present invention;
Fig. 2 is the structural representation of internal core rod body in the present invention;
Fig. 3 is the sectional view along A-A direction in Fig. 2;
Fig. 4 be in the present invention internal core rod by the sectional view of hands.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
Refer to Fig. 1 to Fig. 4, there is shown the internal core rod 1 of the present invention for pre-filled catheter flusher core bar, the internal core rod comprising internal core rod body 2 and be connected with this internal core rod body 2 rear end is by hands 3, the sidewall of internal core rod body 2 leading section is provided with a medicament containment groove 21 be disposed radially, the first o-ring groove 221 is provided with from top to bottom successively on internal core rod body 2 outer wall and along the axis of internal core rod body 3, 3rd sealing ring 241 and the second sealing ring 231, the first sealing ring 22 is embedded with in first o-ring groove 221, the 3rd sealing ring 24 is embedded with in 3rd o-ring groove 241, the second sealing ring 23 is embedded with in second o-ring groove 231, first sealing ring 22 is positioned at the top of medicament containment groove 21, second sealing ring 23 is positioned at the below of medicament containment groove 21, 3rd sealing ring 24 is between the below of medicament containment groove 31 and the second sealing ring 33,
Internal core rod is by the internal core rod body containing cavity 31 being provided with upper end open in hands 3, the rearward end of internal core rod body 3 is located in internal core rod body containing cavity 31, internal core rod body containing cavity 31 inwall is axially provided with the first slot 33 and the second slot 32 along internal core rod from top to bottom successively by hands 3, internal core rod body 3 outer wall is respectively equipped with the first engaging protrusion 26 be sticked in the first slot 33, and is sticked in the second engaging protrusion 25 in the second slot 32;
Internal core rod is provided with the 3rd engaging protrusion 34 by hands 3 outer wall;
The present invention can form core bar with supporting outer core bar, and this outer core bar has an axially through cavity, and internal core rod of the present invention is located in the cavity of outer core bar slidably, and this cavity inner wall is provided with the 3rd slot with the 3rd engaging protrusion 34 snap fit;
Solid-state drug can be deposited in medicament containment groove 31 of the present invention, after forming core bar with outer core bar, use together with the supporting overcoat depositing normal saline in inner chamber again, being pre-mixed of normal saline and medicine can be realized, and in the process that pipeline is rinsed, curative infusion of drug is entered pipe-line system, avoid and carry out other punctures, decrease the pollution to medicine.
During unused state, first engaging protrusion 26 is positioned at the first slot 33, second engaging protrusion 25 is positioned at the second slot 32, and the 3rd engaging protrusion 34 is separated with the 3rd slot and is positioned at the below of the 3rd slot, the opening that front end face and the cavity of internal core rod body 2 are positioned at front end flushes, medicament containment groove 21 is positioned at cavity, now solid-state drug is deposited in medicament containment groove 21, sealing function due to the first sealing ring 22 can stop the normal saline in supporting overcoat to contact with solid-state drug, and the second sealing ring 23 and the 3rd sealing ring 24 are when the sealing function of the first sealing ring 22 lost efficacy, prevent normal saline from spilling from the lower end of cavity,
When driven forward internal core rod flushes with the lower surface of outer core bar to its lower surface by hands 3, be in medicinal liquid admixture, now, first engaging protrusion 26 is positioned at the first slot 33, second engaging protrusion 25 is positioned at the second slot 32, and the 3rd engaging protrusion 34 be positioned at the 3rd slot, medicament containment groove 21 stretches out cavity completely from the upper surface of outer core bar, and the second sealing ring 23 and the 3rd sealing ring 24 are still positioned at cavity, the now solid-state drug in medicament containment groove 21 and the contact with normal saline in supporting overcoat be dissolved in normal saline and form admixing medical solutions, the sealing function of the second sealing ring 23 and the 3rd sealing ring 24 can stop admixing medical solutions to spill from the lower end of cavity.
After solid-state drug dissolves completely, according to the needs that reality uses, admixing medical solutions is injected in device to be rinsed and rinses.
Above embodiment is used for illustrative purposes only, but not limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, various conversion or modification can also be made, therefore all equivalent technical schemes also should belong to category of the present invention, should be limited by each claim.
Claims (2)
1. the internal core rod for pre-filled catheter flusher core bar, it is characterized in that, described internal core rod comprise internal core rod body and the internal core rod that is connected with this internal core rod body rear end by hands, the sidewall of the leading section of described internal core rod body is provided with a medicament containment groove be disposed radially, described internal core rod body outer wall is respectively equipped with the first o-ring groove and the second o-ring groove, the first sealing ring is embedded with in first o-ring groove, the second sealing ring is embedded with in second o-ring groove, described first sealing ring is positioned at the top of medicament containment groove, described second sealing ring is positioned at the below of described medicament containment groove,
Described internal core rod holds the internal core rod body containing cavity of described internal core rod body rearward end by being provided with on hand, described internal core rod body containing cavity inwall is provided with the first slot and the second slot respectively, described internal core rod body outer wall is respectively equipped with the first engaging protrusion be sticked in described first slot, and is sticked in the second engaging protrusion in described second slot;
Described internal core rod is provided with the 3rd engaging protrusion by hands outer wall.
2. a kind of internal core rod for pre-filled catheter flusher core bar as claimed in claim 1, it is characterized in that, described internal core rod body outer wall is also provided with the 3rd o-ring groove, be embedded with the 3rd sealing ring in 3rd o-ring groove, described 3rd sealing ring is between described medicament containment groove and the second sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410223171.0A CN105126193B (en) | 2014-05-26 | 2014-05-26 | Inner core rod for core rod of pre-filling type catheter flusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410223171.0A CN105126193B (en) | 2014-05-26 | 2014-05-26 | Inner core rod for core rod of pre-filling type catheter flusher |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105126193A true CN105126193A (en) | 2015-12-09 |
| CN105126193B CN105126193B (en) | 2022-09-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410223171.0A Active CN105126193B (en) | 2014-05-26 | 2014-05-26 | Inner core rod for core rod of pre-filling type catheter flusher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105126193B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5830193A (en) * | 1993-12-28 | 1998-11-03 | Higashikawa; Tetsuro | Syringe |
| JP2006262979A (en) * | 2005-03-22 | 2006-10-05 | Nippon Sherwood Medical Industries Ltd | Indwelling needle set |
| CN202236671U (en) * | 2011-09-26 | 2012-05-30 | 吴林元 | Disposable syringe capable of realizing pre-perfusion of liquid medicine |
| CN102716521A (en) * | 2012-04-06 | 2012-10-10 | 重庆莱美药业股份有限公司 | All-sealing screw-in preassembly-type medicine feeder |
| CN103228308A (en) * | 2010-11-16 | 2013-07-31 | 阿提株式会社 | Two-chambered container-cum-syringe and syringe-filled aripiprazole |
| CN203400372U (en) * | 2013-07-17 | 2014-01-22 | 曹烽 | Pre-filling type liquid-medicine separated type injection washing device |
| CN203915648U (en) * | 2014-05-26 | 2014-11-05 | 上海康德莱企业发展集团股份有限公司 | A kind of internal core rod for pre-filled catheter flusher core bar |
-
2014
- 2014-05-26 CN CN201410223171.0A patent/CN105126193B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5830193A (en) * | 1993-12-28 | 1998-11-03 | Higashikawa; Tetsuro | Syringe |
| JP2006262979A (en) * | 2005-03-22 | 2006-10-05 | Nippon Sherwood Medical Industries Ltd | Indwelling needle set |
| CN103228308A (en) * | 2010-11-16 | 2013-07-31 | 阿提株式会社 | Two-chambered container-cum-syringe and syringe-filled aripiprazole |
| CN202236671U (en) * | 2011-09-26 | 2012-05-30 | 吴林元 | Disposable syringe capable of realizing pre-perfusion of liquid medicine |
| CN102716521A (en) * | 2012-04-06 | 2012-10-10 | 重庆莱美药业股份有限公司 | All-sealing screw-in preassembly-type medicine feeder |
| CN203400372U (en) * | 2013-07-17 | 2014-01-22 | 曹烽 | Pre-filling type liquid-medicine separated type injection washing device |
| CN203915648U (en) * | 2014-05-26 | 2014-11-05 | 上海康德莱企业发展集团股份有限公司 | A kind of internal core rod for pre-filled catheter flusher core bar |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105126193B (en) | 2022-09-02 |
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