CN105268045A - Pre-charging type catheter flusher - Google Patents
Pre-charging type catheter flusher Download PDFInfo
- Publication number
- CN105268045A CN105268045A CN201410223190.3A CN201410223190A CN105268045A CN 105268045 A CN105268045 A CN 105268045A CN 201410223190 A CN201410223190 A CN 201410223190A CN 105268045 A CN105268045 A CN 105268045A
- Authority
- CN
- China
- Prior art keywords
- core rod
- internal core
- rod body
- position constraint
- axially extending
- 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.)
- Granted
Links
Abstract
The invention discloses a pre-charging type catheter flusher. The pre-charging type catheter flusher comprises an outer sleeve, a core rod located in the outer sleeve and a rubber plug arranged at the front end portion of the core rod. The core rod comprises an outer core rod and an inner core rod. The inner core rod is sliably arranged in an axial through hole of the outer core rod and comprises an inner core rod body and an inner core rod pressing hand. The side wall at the front end portion of the inner core rod body is provided with an accommodating groove radially arranged. A first sealing ring and a second sealing ring are arranged between an outer wall of the inner core rod body and the inner wall of the axial through hole of the outer core rod. The back end portion of the inner core rod body is arranged in the inner core rod pressing hand. First and second clamping positioning constraining structures are arranged between the back end portion of the inner core rod body and the inner core rod pressing hand. The pre-charging type catheter flusher has following beneficial effects: normal saline and medicine are pre-mixed in the interior of the catheter flusher; therapeutic medicine is infused into a catheter system when a catheter is flushed; and without puncture operation, pollution to medicine is greatly reduced.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, especially design a kind of pre-filled catheter flusher.
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 pre-filled catheter flusher 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:
The pre-filled catheter flusher of one of the present invention, comprises overcoat, is positioned at the core bar of this overcoat and is located at the plug of described core bar leading section, wherein:
Described core bar comprises outer core bar and internal core rod, is provided with an axially extending bore in described outer core bar, and described internal core rod is located in described axially extending bore slidably, 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, the first sealing ring and the second sealing ring is respectively equipped with between described internal core rod body outer wall and described outer core bar axially extending bore inwall, described first sealing ring to be fixed on described internal core rod body and to be positioned at the top of medicament containment groove, and described second sealing ring to be fixed on described internal core rod body and to be 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, be respectively equipped with the first engaging position constraint structure and the second engaging position constraint structure between the inwall of described internal core rod body containing cavity and the outer wall of internal core rod body;
Be provided with the 3rd between described outer core bar axially extending bore inwall and the internal core rod outer wall by hands and engage position constraint structure;
Push away the restraining forces that the counteracting force be subject to is greater than described first engaging position constraint structure or the second engaging position constraint structure before described core bar, and be less than the restraining forces of described 3rd engaging position constraint structure;
The upper end of described overcoat is provided with a female Luer, and this female Luer be provided with one with the use of sheath;
When described plug is positioned at the lower end of described overcoat inner chamber, first, second engaging position constraint structure described is in fastening state, described 3rd engaging position constraint structure is in released state, the aperture that front end face and the described axially extending bore of described internal core rod body are positioned at front end flushes, and described medicament containment slot is in unused state in described axially extending bore;
When driven forward internal core rod flushes with the lower surface of described outer core bar to its lower surface by hands, described first, second, and third engaging position constraint structure is all in fastening state, described medicament containment groove stretches out the aperture that described axially extending bore is positioned at front end completely and is in medicinal liquid admixture, and described second sealing ring is positioned at described axially extending bore;
When described plug is positioned at the upper end of described overcoat inner chamber, described 3rd engaging position constraint structure is in fastening state, first, second engaging position constraint structure described is in released state, described medicament containment groove is retracted in described axially extending bore and is in use final state, and the bottom of described internal core rod body containing cavity is closed in the lower surface of described internal core rod body.
The pre-filled catheter flusher of above-mentioned one, wherein, described female Luer comprises Rule conehead and is located at this Rule conehead outer and be with female tapered sleeve, and described sheath comprises the sheath body that covers on the conehead of described Rule and is located at described sheath body lower end and the both wings suitable with the female thread of described tapered sleeve.
The pre-filled catheter flusher of above-mentioned one, wherein, the 3rd sealing ring is also provided with between described internal core rod body outer wall and described outer core bar axially extending bore inwall, described 3rd sealing ring to be fixed on described internal core rod body and between the below and the second sealing ring of described medicament containment groove, when described pre-filled catheter flusher is in medicinal liquid admixture, described 3rd sealing ring is positioned at described axially extending bore.
The pre-filled catheter flusher of above-mentioned one, wherein, described first engaging position constraint structure comprises the first slot of being located on described internal core rod body containing cavity inwall and to be located on described internal core rod body outer wall and to engage with described first slot the first engaging protrusion retraining and coordinate;
Described second engaging position constraint structure comprises the second slot of being located on described internal core rod body containing cavity inwall and to be located on described internal core rod body outer wall and to engage with described second slot the second engaging protrusion retraining and coordinate;
Described 3rd engaging position constraint structure comprises the 3rd slot be located on described outer core bar axially extending bore inwall and is located at described internal core rod by hands outer wall engages with described 3rd slot the 3rd engaging protrusion retraining and coordinate;
When described pre-filled catheter flusher is in use final state, described first engaging protrusion is positioned at described second slot.
The present invention can realize being pre-mixed of normal saline and medicine, and in the process that pipeline is rinsed, curative infusion of drug is entered pipe-line system, simultaneously, medicine is made to 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 the sectional view of the present invention when being in unused state;
Fig. 2 is the sectional view of outer core bar of the present invention;
Fig. 3 is the front view of internal core rod body of the present invention;
Fig. 4 is the sectional view along A-A direction in Fig. 3;
Fig. 5 is that internal core rod of the present invention is by hands sectional view;
Fig. 6 is the sectional view of the present invention when being in medicinal liquid admixture;
Fig. 7 is the sectional view that the present invention is in when using final state.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
Refer to Fig. 1 to Fig. 5, there is shown the pre-filled catheter flusher of the present invention, comprise overcoat 5, be positioned at the core bar 1 of this overcoat 5 and be located at the plug 11 of core bar 1 leading section, core bar 1 comprises outer core bar 2 and internal core rod, an axially extending bore 22 is provided with in outer core bar 2, internal core rod is located in axially extending bore 22 slidably, internal core rod comprise internal core rod body 3 and the internal core rod that is connected with this internal core rod body 3 rear end by hands 4;
The sidewall of the leading section of internal core rod body 3 is provided with a medicament containment groove 31 be disposed radially, the first sealing ring 32 is provided with from top to bottom successively between internal core rod body 3 outer wall and outer core bar 2 axially extending bore 22 inwall and along the axis of internal core rod body 3, 3rd sealing ring 35 and the second sealing ring 33, the top of medicament containment groove 31 is positioned in the first storage tank 321 that first sealing ring 32 is fixed on internal core rod body 3, the below of medicament containment groove 31 is positioned in the second storage tank 331 that second sealing ring 33 is fixed on internal core rod body 3, in the 3rd storage tank 351 that 3rd sealing ring 35 is fixed on internal core rod body 3 and 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 41 being provided with upper end open in hands 4, the rearward end of internal core rod body 3 is located in described internal core rod body containing cavity 41, is respectively equipped with the first engaging position constraint structure 42 and the second engaging position constraint structure 43 between the inwall of internal core rod body containing cavity 41 and the outer wall of internal core rod body 3;
Be provided with the 3rd between outer core bar 2 axially extending bore 22 inwall and the internal core rod outer wall by hands 4 and engage position constraint structure 21;
First engaging position constraint structure 42 comprises the first slot 422 of being located on internal core rod body containing cavity 41 inwall and to be located on internal core rod body 3 outer wall and to engage the first engaging protrusion 421 retraining and coordinate with the first slot 422;
Second engaging position constraint structure 43 comprises the second slot 432 of being located on internal core rod body containing cavity 41 inwall and to be located on internal core rod body 3 outer wall and to engage the second engaging protrusion 431 retraining and coordinate with the second slot 432;
3rd engaging position constraint structure 21 comprises the 3rd slot 212 be located on outer core bar 2 axially extending bore 22 inwall and is located at internal core rod by hands 4 outer wall engages the 3rd engaging protrusion 211 retraining and coordinate with the 3rd slot 212;
Push away the restraining forces that the counteracting force be subject to is greater than the first engaging position constraint structure 42 or the second engaging position constraint structure 43 before core bar 1, and be less than the restraining forces of the 3rd engaging position constraint structure 21;
The upper end of overcoat 5 is provided with a female Luer, and this female Luer be provided with one with the use of sheath, female Luer comprises Rule conehead 51 and is located at this Rule conehead 51 outer and be with female tapered sleeve 52, sheath comprises the sheath body 61 that covers on Rule conehead 51 and is located at sheath body 61 lower end and the both wings 62 suitable with the female thread of tapered sleeve 52, and sheath is tightly connected by both wings 62 and female Luer.
The pre-filled catheter flusher of the present invention itself includes normal saline and solid-state drug, and solid-state drug should be able to be dissolved in normal saline completely, and normal saline is deposited in the inner chamber of overcoat 5, and solid-state drug is deposited in medicament containment groove 31.
Refer to Fig. 1, when plug 11 is positioned at the lower end of overcoat 5 inner chamber, namely in overcoat 5, intracavity is full of normal saline, when plug 11 rests on the position of overcoat 5 heap(ed) capacity, first engaging position constraint structure 42 and the second engaging position constraint structure 43 are in fastening state, and (namely the first engaging protrusion 421 is positioned at the first slot 422, second engaging protrusion 431 is positioned at the second slot 432), 3rd engaging position constraint structure 21 is in released state (namely the 3rd engaging protrusion 211 is positioned at outside the 3rd slot 212), the aperture that front end face and the axially extending bore 22 of internal core rod body 3 are positioned at front end flushes, medicament containment groove 31 is positioned at axially extending bore 22 and is in unused state, now solid-state drug is deposited in medicament containment groove 31, sealing function due to the first sealing ring 32 can stop the normal saline in overcoat 5 to contact with solid-state drug, and the second sealing ring 33 and the 3rd sealing ring 35 are when the sealing function of the first sealing ring 32 lost efficacy, prevent normal saline from spilling from the lower end of axially extending bore 22.
Refer to Fig. 6, when driven forward internal core rod flushes with the lower surface of outer core bar 2 to its lower surface by hands 4, first engaging position constraint structure 42, second engaging position constraint structure 43 and the 3rd engaging position constraint structure 21 are all in fastening state, and (namely the first engaging protrusion 421 is positioned at the first slot 422, second engaging protrusion 431 is positioned at the second slot 432, 3rd engaging protrusion 211 is positioned at the 3rd slot 212), medicament containment groove 31 stretches out the aperture that axially extending bore 22 is positioned at front end completely and is in medicinal liquid admixture from the upper surface of outer core bar 2, and the second sealing ring 33 and the 3rd sealing ring 35 are positioned at axially extending bore 22, solid-state drug now in medicament containment groove 31 and contact with normal saline are also dissolved in normal saline and form admixing medical solutions, the sealing function of the second sealing ring 33 and the 3rd sealing ring 35 can stop admixing medical solutions to spill from the lower end of axially extending bore 22.
After solid-state drug dissolves completely, take off sheath, according to the needs that reality uses, pre-filled for the present invention catheter flusher is connected with device to be rinsed, admixing medical solutions injects in device to be rinsed by the lower end promoting core bar 1, the restraining forces of the first engaging position constraint structure 42 or the second engaging position constraint structure 43 is greater than owing to pushing away the counteracting force be subject to before core bar 1, therefore in injection process, internal core rod body 3 can be got back in the axis through bore 22 of outer core bar 2, until the aperture that the front end face of internal core rod body 3 and axially extending bore 22 are positioned at front end flushes.
Refer to Fig. 7, when plug 11 is positioned at the upper end of overcoat 5 inner chamber, 3rd engaging position constraint structure is in fastening state (namely the 3rd engaging protrusion 211 is positioned at the 3rd slot 212), first engaging position constraint structure 42 and the second engaging position constraint structure 43 are in released state (namely the first engaging protrusion 421 is positioned at the second slot 422), medicament containment groove 31 is retracted in axially extending bore 22 and is in use final state, and the bottom of internal core rod body containing cavity 41 is closed in the lower surface of internal core rod body 3.
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 (4)
1. a pre-filled catheter flusher, comprises overcoat, is positioned at the core bar of this overcoat and is located at the plug of described core bar leading section, it is characterized in that,
Described core bar comprises outer core bar and internal core rod, is provided with an axially extending bore in described outer core bar, and described internal core rod is located in described axially extending bore slidably, 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, the first sealing ring and the second sealing ring is respectively equipped with between described internal core rod body outer wall and described outer core bar axially extending bore inwall, described first sealing ring to be fixed on described internal core rod body and to be positioned at the top of medicament containment groove, and described second sealing ring to be fixed on described internal core rod body and to be 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, be respectively equipped with the first engaging position constraint structure and the second engaging position constraint structure between the inwall of described internal core rod body containing cavity and the outer wall of internal core rod body;
Be provided with the 3rd between described outer core bar axially extending bore inwall and the internal core rod outer wall by hands and engage position constraint structure;
Push away the restraining forces that the counteracting force be subject to is greater than described first engaging position constraint structure or the second engaging position constraint structure before described core bar, and be less than the restraining forces of described 3rd engaging position constraint structure;
The upper end of described overcoat is provided with a female Luer, and this female Luer be provided with one with the use of sheath;
When described plug is positioned at the lower end of described overcoat inner chamber, first, second engaging position constraint structure described is in fastening state, described 3rd engaging position constraint structure is in released state, the aperture that front end face and the described axially extending bore of described internal core rod body are positioned at front end flushes, and described medicament containment slot is in unused state in described axially extending bore;
When driven forward internal core rod flushes with the lower surface of described outer core bar to its lower surface by hands, described first, second, and third engaging position constraint structure is all in fastening state, described medicament containment groove stretches out the aperture that described axially extending bore is positioned at front end completely and is in medicinal liquid admixture, and described second sealing ring is positioned at described axially extending bore;
When described plug is positioned at the upper end of described overcoat inner chamber, described 3rd engaging position constraint structure is in fastening state, first, second engaging position constraint structure described is in released state, described medicament containment groove is retracted in described axially extending bore and is in use final state, and the bottom of described internal core rod body containing cavity is closed in the lower surface of described internal core rod body.
2. a kind of pre-filled catheter flusher as claimed in claim 1, it is characterized in that, described female Luer comprises Rule conehead and is located at this Rule conehead outer and be with female tapered sleeve, and described sheath comprises the sheath body that covers on the conehead of described Rule and is located at described sheath body lower end and the both wings suitable with the female thread of described tapered sleeve.
3. a kind of pre-filled catheter flusher as claimed in claim 1, it is characterized in that, the 3rd sealing ring is also provided with between described internal core rod body outer wall and described outer core bar axially extending bore inwall, described 3rd sealing ring to be fixed on described internal core rod body and between the below and the second sealing ring of described medicament containment groove, when described pre-filled catheter flusher is in medicinal liquid admixture, described 3rd sealing ring is positioned at described axially extending bore.
4. a kind of pre-filled catheter flusher as claimed in claim 1, it is characterized in that, described first engaging position constraint structure comprises the first slot of being located on described internal core rod body containing cavity inwall and to be located on described internal core rod body outer wall and to engage with described first slot the first engaging protrusion retraining and coordinate;
Described second engaging position constraint structure comprises the second slot of being located on described internal core rod body containing cavity inwall and to be located on described internal core rod body outer wall and to engage with described second slot the second engaging protrusion retraining and coordinate;
Described 3rd engaging position constraint structure comprises the 3rd slot be located on described outer core bar axially extending bore inwall and is located at described internal core rod by hands outer wall engages with described 3rd slot the 3rd engaging protrusion retraining and coordinate;
When described pre-filled catheter flusher is in use final state, described first engaging protrusion is positioned at described second slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410223190.3A CN105268045B (en) | 2014-05-26 | 2014-05-26 | Pre-filled catheter flusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410223190.3A CN105268045B (en) | 2014-05-26 | 2014-05-26 | Pre-filled catheter flusher |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105268045A true CN105268045A (en) | 2016-01-27 |
| CN105268045B CN105268045B (en) | 2022-10-04 |
Family
ID=55138427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410223190.3A Active CN105268045B (en) | 2014-05-26 | 2014-05-26 | Pre-filled catheter flusher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105268045B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109647808A (en) * | 2018-12-24 | 2019-04-19 | 济民健康管理股份有限公司 | Pre-filled catheter flusher and pre-filled catheter flusher assemble output method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5470319A (en) * | 1994-06-20 | 1995-11-28 | Critical Device Corporation | Needleless injection site |
| CN101091812A (en) * | 2006-06-19 | 2007-12-26 | 上海康德莱企业发展集团有限公司 | Safe type retention needle |
| CN202236671U (en) * | 2011-09-26 | 2012-05-30 | 吴林元 | Disposable syringe capable of realizing pre-perfusion of liquid medicine |
| CN203183396U (en) * | 2013-04-16 | 2013-09-11 | 圣光医用制品有限公司 | Pre-charging type catheter flusher |
| CN203400372U (en) * | 2013-07-17 | 2014-01-22 | 曹烽 | Pre-filling type liquid-medicine separated type injection washing device |
| CN203915633U (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 pre-filled catheter flusher |
-
2014
- 2014-05-26 CN CN201410223190.3A patent/CN105268045B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5470319A (en) * | 1994-06-20 | 1995-11-28 | Critical Device Corporation | Needleless injection site |
| CN101091812A (en) * | 2006-06-19 | 2007-12-26 | 上海康德莱企业发展集团有限公司 | Safe type retention needle |
| CN202236671U (en) * | 2011-09-26 | 2012-05-30 | 吴林元 | Disposable syringe capable of realizing pre-perfusion of liquid medicine |
| CN203183396U (en) * | 2013-04-16 | 2013-09-11 | 圣光医用制品有限公司 | Pre-charging type catheter flusher |
| CN203400372U (en) * | 2013-07-17 | 2014-01-22 | 曹烽 | Pre-filling type liquid-medicine separated type injection washing device |
| CN203915633U (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 pre-filled catheter flusher |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109647808A (en) * | 2018-12-24 | 2019-04-19 | 济民健康管理股份有限公司 | Pre-filled catheter flusher and pre-filled catheter flusher assemble output method |
| CN109647808B (en) * | 2018-12-24 | 2019-11-12 | 济民健康管理股份有限公司 | Pre-filled catheter flusher and pre-filled catheter flusher assemble output method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105268045B (en) | 2022-10-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1898988B1 (en) | Autoflush syringe | |
| CN104394904A (en) | Methods and devices for autoflush syringes | |
| NO334969B1 (en) | Rinse syringe with anti-flashback insert | |
| EP1825878B1 (en) | System for administering a medicament comprising a plunger with a passage for flushing | |
| JP2012085813A (en) | Dual chamber combined container-syringe | |
| CN104905963A (en) | Soft infusion bag and pipe washing method | |
| CN203915633U (en) | A kind of pre-filled catheter flusher | |
| CN105268045A (en) | Pre-charging type catheter flusher | |
| CN203915649U (en) | A kind of core bar for pre-filled catheter flusher | |
| CN203915648U (en) | A kind of internal core rod for pre-filled catheter flusher core bar | |
| CN201263820Y (en) | Double-chamber cartridge bottle powder injection pre-filling syringe | |
| CN203183396U (en) | Pre-charging type catheter flusher | |
| CN102205155A (en) | Doser for transfusion | |
| CN204932259U (en) | Transfusion flexible bag | |
| CN105169521B (en) | Core bar for pre-filling type catheter flusher | |
| CN104225727A (en) | Integrated Y type three-way medical injector | |
| CN204521586U (en) | A kind of anti-infection type washing pipe venous transfusion bag | |
| CN105126193B (en) | Inner core rod for core rod of pre-filling type catheter flusher | |
| CN204106747U (en) | A kind of integrated Y-type three way type injector for medical purpose | |
| CN203634583U (en) | Pre-filling injector | |
| CN205073493U (en) | Three -chamber catheter | |
| CN203354970U (en) | Multi-functional drainage pipe flushing device | |
| CN104587553A (en) | Intravenous medication liquid preparing needle | |
| JP3611818B2 (en) | Needleless plastic ampule | |
| CN215228235U (en) | Device for ultrasonic-guided puncture and sclerosis treatment of hypothyroid cyst |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |