CN203915633U - A kind of pre-filled catheter flusher - Google Patents
A kind of pre-filled catheter flusher Download PDFInfo
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- CN203915633U CN203915633U CN201420269950.XU CN201420269950U CN203915633U CN 203915633 U CN203915633 U CN 203915633U CN 201420269950 U CN201420269950 U CN 201420269950U CN 203915633 U CN203915633 U CN 203915633U
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- core rod
- internal core
- rod body
- axially extending
- extending bore
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Abstract
The utility model discloses a kind of pre-filled catheter flusher, the plug that comprises overcoat, is positioned at the core bar of this overcoat and is located at core bar leading section, core bar comprises outer core bar and internal core rod, internal core rod is located in the axially extending bore of outer core bar slidably, and internal core rod comprises that internal core rod body and internal core rod are by hands; The sidewall of internal core rod body leading section is provided with a medicament containment groove being disposed radially, between internal core rod body outer wall and outer core bar axially extending bore inwall, be respectively equipped with first, second sealing ring, internal core rod body rearward end is located at internal core rod by being provided with first, second engaging position constraint structure in hands and between it; Axially extending bore engages position constraint structure with internal core rod by being provided with the 3rd between hands.This utility model can be realized in catheter flusher inside being pre-mixed of normal saline and medicine, and in the process that pipeline is rinsed, curative infusion of drug is entered to pipe-line system, and without carrying out other punctures, has greatly reduced the pollution to medicine.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, especially designs a kind of pre-filled catheter flusher.
Background technology
By remaining needle, injecting after medicine at present, conventionally adopt normal saline to rinse indwelling needle catheter, but use normal saline can only carry out simple flushing of pipeline, can not play any therapeutical effect, if add the normal saline of medicine to rinse and will use, in the process of making up a prescription, need by dispensing needle, bottle stopper to be punctured, the rubber on bottle stopper may produce chip and cause the 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 to pipe-line system in the process that pipeline is rinsed be that those skilled in the art are devoted to one of problem solving.
Summary of the invention
The purpose of this utility model, provides a kind of pre-filled catheter flusher simple in structure, easy to use exactly in order to address the above problem.
The purpose of this utility model is achieved in that
A kind of pre-filled catheter flusher of the present utility model, the plug that comprises overcoat, is positioned at the core bar of this overcoat and is located at described core bar leading section, wherein:
Described core bar comprises outer core bar and internal core rod, in described outer core bar, is provided with an axially extending bore, and described internal core rod is located in described axially extending bore slidably, described internal core rod comprise internal core rod body with the internal core rod being 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 being disposed radially, between described internal core rod body outer wall and described outer core bar axially extending bore inwall, be respectively equipped with the first sealing ring and the second sealing ring, described the first sealing ring is fixed on described internal core rod body and is positioned at the top of medicament containment groove, and described the second sealing ring is fixed on described internal core rod body and is positioned at the below of described medicament containment groove;
Described internal core rod, by being provided with on hand the internal core rod body containing cavity that holds described internal core rod body rearward end, is 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;
Described outer core bar axially extending bore inwall engages position constraint structure with internal core rod by being provided with the 3rd between the outer wall of hands;
Before described core bar, push away the restraining forces that the counteracting force being subject to is greater than described the first engaging position constraint structure or the second engaging position constraint structure, and be less than the restraining forces of described the 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 sheath that is used in conjunction with;
When described plug is positioned at the lower end of described overcoat inner chamber, described first, second engaging position constraint structure is in fastening state, described the 3rd engaging position constraint structure is in released state, the front end face of described internal core rod body flushes with the aperture that described axially extending bore is positioned at front end, and described medicament containment groove is positioned at described axially extending bore in unused state;
When promoting forward internal core rod and flush 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 aperture that described axially extending bore is positioned at front end completely in medicinal liquid admixture, and described the 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 the 3rd engaging position constraint structure is in fastening state, described first, second engaging position constraint structure is in released state, described medicament containment groove is retracted in described axially extending bore in using 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.
Above-mentioned a kind of pre-filled catheter flusher, wherein, described female Luer comprise Rule conehead and be located at this Rule conehead outer and be with female tapered sleeve, described sheath to comprise to cover at the sheath body on the conehead of described Rule and be located at described sheath body lower end and with the suitable both wings of the female thread of described tapered sleeve.
Above-mentioned a kind of pre-filled catheter flusher, wherein, between described internal core rod body outer wall and described outer core bar axially extending bore inwall, be also provided with the 3rd sealing ring, described the 3rd sealing ring is fixed on described internal core rod body and below described medicament containment groove and between the second sealing ring, when described pre-filled catheter flusher is during in medicinal liquid admixture, described the 3rd sealing ring is positioned at described axially extending bore.
Above-mentioned a kind of pre-filled catheter flusher, wherein, described the first engaging position constraint structure comprises the first slot of being located on described internal core rod body containing cavity inwall and is located at the first engaging protrusion that engages constraint cooperation on described internal core rod body outer wall and with described the first slot;
Described the second engaging position constraint structure comprises the second slot of being located on described internal core rod body containing cavity inwall and is located at the second engaging protrusion that engages constraint cooperation on described internal core rod body outer wall and with described the second slot;
Described the 3rd engaging position constraint structure comprises the 3rd slot of being located on described outer core bar axially extending bore inwall and is located at described internal core rod by the 3rd engaging protrusion that engages constraint cooperation on hands outer wall and with described the 3rd slot;
When described pre-filled catheter flusher is when being used final state, described the first engaging protrusion is positioned at described the second slot.
This utility model can be realized being pre-mixed of normal saline and medicine, and in the process that pipeline is rinsed, curative infusion of drug is entered to pipe-line system, simultaneously, make medicine and mixing of normal saline rest on catheter flusher inside, do not need to carry out other punctures, greatly reduced the pollution to medicine.This utility model is simple in structure, easy to use, has greatly promoted medical personnel's work efficiency.
Accompanying drawing explanation
Fig. 1 is the cutaway view of this utility model when unused state;
Fig. 2 is the cutaway view of outer core bar of the present utility model;
Fig. 3 is the front view of internal core rod body of the present utility model;
Fig. 4 is the cutaway view along A-A direction in Fig. 3;
Fig. 5 is that internal core rod of the present utility model is by the cutaway view of hands;
Fig. 6 is the cutaway view of this utility model when medicinal liquid admixture;
Fig. 7 is the cutaway view of this utility model when using final state.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Refer to Fig. 1 to Fig. 5, there is shown the pre-filled catheter flusher of this utility model, the plug 11 that comprises overcoat 5, is positioned at the core bar 1 of this overcoat 5 and is located at core bar 1 leading section, core bar 1 comprises outer core bar 2 and internal core rod, in outer core bar 2, be provided with an axially extending bore 22, internal core rod is located in axially extending bore 22 slidably, internal core rod comprise internal core rod body 3 with the internal core rod being connected with these internal core rod body 3 rear ends by hands 4;
The sidewall of the leading section of internal core rod body 3 is provided with a medicament containment groove 31 being disposed radially, between internal core rod body 3 outer walls and outer core bar 2 axially extending bore 22 inwalls and along internal core rod body 3, be axially provided with successively from top to bottom the first sealing ring 32, the 3rd sealing ring 35 and the second sealing ring 33, the first sealing ring 32 is fixed in the first storage tank 321 of internal core rod body 3 and is positioned at the top of medicament containment groove 31, the second sealing ring 33 is fixed in the second storage tank 331 of internal core rod body 3 and is positioned at the below of medicament containment groove 31, the 3rd sealing ring 35 is fixed in the 3rd storage tank 351 of internal core rod body 3 and below medicament containment groove 31 and between the second sealing ring 33,
Internal core rod is by the internal core rod body containing cavity 41 that is 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;
Outer core bar 2 axially extending bore 22 inwalls engage position constraint structure 21 with internal core rod by being provided with the 3rd between the outer wall of hands 4;
The first engaging position constraint structure 42 comprises to be located at the first slot 422 on internal core rod body containing cavity 41 inwalls and to be located at the first engaging protrusion 421 that engages constraint cooperation on internal core rod body 3 outer walls and with the first slot 422;
The second engaging position constraint structure 43 comprises to be located at the second slot 432 on internal core rod body containing cavity 41 inwalls and to be located at the second engaging protrusion 431 that engages constraint cooperation on internal core rod body 3 outer walls and with the second slot 432;
The 3rd engaging position constraint structure 21 comprises to be located at the 3rd slot 212 on outer core bar 2 axially extending bore 22 inwalls and to be located at internal core rod by the 3rd engaging protrusion 211 that engages constraint cooperation on hands 4 outer walls and with the 3rd slot 212;
Before core bar 1, push away the restraining forces that the counteracting force being subject to is greater than the first engaging position constraint structure 42 or the second engaging position constraint structure 43, 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 sheath that is used in conjunction with, female Luer comprises Rule conehead 51 and is located at outside this Rule conehead 51 and is with female tapered sleeve 52, sheath comprise the sheath body 61 covering on Rule conehead 51 and be located at sheath body 61 lower ends and with the suitable both wings 62 of the female thread of tapered sleeve 52, sheath is tightly connected by both wings 62 and female Luer.
The pre-filled catheter flusher of this utility model 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 chambers, be that the interior intracavity of overcoat 5 is full of normal saline, when plug 11 rests on the position of overcoat 5 heap(ed) capacities, (the first engaging protrusion 421 is positioned at the first slot 422 in fastening state for the first engaging position constraint structure 42 and the second engaging position constraint structure 43, the second engaging protrusion 431 is positioned at the second slot 432), the 3rd engaging position constraint structure 21 is in released state (the 3rd engaging protrusion 211 is positioned at outside the 3rd slot 212), the front end face of internal core rod body 3 flushes with the aperture that axially extending bore 22 is positioned at front end, medicament containment groove 31 is positioned at axially extending bore 22 in unused state, now solid-state drug is deposited in medicament containment groove 31, because the sealing function of 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 that normal saline from spilling from the lower end of axially extending bore 22.
Refer to Fig. 6, when promoting forward internal core rod and flush with the lower surface of outer core bar 2 to its lower surface by hands 4, the first engaging position constraint structure 42, all in fastening state, (the first engaging protrusion 421 is positioned at the first slot 422 for the second engaging position constraint structure 43 and the 3rd engaging position constraint structure 21, the second engaging protrusion 431 is positioned at the second slot 432, the 3rd engaging protrusion 211 is positioned at the 3rd slot 212), medicament containment groove 31 stretches out aperture that axially extending bore 22 is positioned at front end completely 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 and the contact with normal saline in medicament containment groove 31 be dissolved in and form admixing medical solutions in normal saline now, 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, the needs that use according to reality, the pre-filled catheter flusher of this utility model is connected with treating irrigation instrument, inject admixing medical solutions to treat in irrigation instrument the lower end that promotes core bar 1, owing to pushing away the counteracting force being subject to before core bar 1, be greater than the restraining forces that the first engaging position constraint structure 42 or second engages position constraint structure 43, 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 front end face of internal core rod body 3 flushes with the aperture that axially extending bore 22 is positioned at front end.
Refer to Fig. 7, when plug 11 is positioned at the upper end of overcoat 5 inner chambers, the 3rd engaging position constraint structure is in fastening state (the 3rd engaging protrusion 211 is positioned at the 3rd slot 212), the first engaging position constraint structure 42 and the second engaging position constraint structure 43 are in released state (the first engaging protrusion 421 is positioned at the second slot 422), medicament containment groove 31 retraction axially extending bores 22 are interior in using 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 only for illustration of the utility model, but not to restriction of the present utility model, person skilled in the relevant technique, in the situation that not departing from spirit and scope of the present utility model, can also make various conversion or modification, therefore all technical schemes that are equal to also should belong to category of the present utility model, should be limited by each claim.
Claims (4)
1. a pre-filled catheter flusher, the plug that comprises overcoat, is positioned at the core bar of this overcoat and is located at described core bar leading section, is characterized in that,
Described core bar comprises outer core bar and internal core rod, in described outer core bar, is provided with an axially extending bore, and described internal core rod is located in described axially extending bore slidably, described internal core rod comprise internal core rod body with the internal core rod being 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 being disposed radially, between described internal core rod body outer wall and described outer core bar axially extending bore inwall, be respectively equipped with the first sealing ring and the second sealing ring, described the first sealing ring is fixed on described internal core rod body and is positioned at the top of medicament containment groove, and described the second sealing ring is fixed on described internal core rod body and is positioned at the below of described medicament containment groove;
Described internal core rod, by being provided with on hand the internal core rod body containing cavity that holds described internal core rod body rearward end, is 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;
Described outer core bar axially extending bore inwall engages position constraint structure with internal core rod by being provided with the 3rd between the outer wall of hands;
Before described core bar, push away the restraining forces that the counteracting force being subject to is greater than described the first engaging position constraint structure or the second engaging position constraint structure, and be less than the restraining forces of described the 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 sheath that is used in conjunction with;
When described plug is positioned at the lower end of described overcoat inner chamber, described first, second engaging position constraint structure is in fastening state, described the 3rd engaging position constraint structure is in released state, the front end face of described internal core rod body flushes with the aperture that described axially extending bore is positioned at front end, and described medicament containment groove is positioned at described axially extending bore in unused state;
When promoting forward internal core rod and flush 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 aperture that described axially extending bore is positioned at front end completely in medicinal liquid admixture, and described the 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 the 3rd engaging position constraint structure is in fastening state, described first, second engaging position constraint structure is in released state, described medicament containment groove is retracted in described axially extending bore in using 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 comprise Rule conehead and be located at this Rule conehead outer and be with female tapered sleeve, described sheath to comprise to cover at the sheath body on the conehead of described Rule and be located at described sheath body lower end and with the suitable both wings of 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, between described internal core rod body outer wall and described outer core bar axially extending bore inwall, be also provided with the 3rd sealing ring, described the 3rd sealing ring is fixed on described internal core rod body and below described medicament containment groove and between the second sealing ring, when described pre-filled catheter flusher is during in medicinal liquid admixture, described the 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 the first engaging position constraint structure comprises the first slot of being located on described internal core rod body containing cavity inwall and is located at the first engaging protrusion that engages constraint cooperation on described internal core rod body outer wall and with described the first slot;
Described the second engaging position constraint structure comprises the second slot of being located on described internal core rod body containing cavity inwall and is located at the second engaging protrusion that engages constraint cooperation on described internal core rod body outer wall and with described the second slot;
Described the 3rd engaging position constraint structure comprises the 3rd slot of being located on described outer core bar axially extending bore inwall and is located at described internal core rod by the 3rd engaging protrusion that engages constraint cooperation on hands outer wall and with described the 3rd slot;
When described pre-filled catheter flusher is when being used final state, described the first engaging protrusion is positioned at described the second slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420269950.XU CN203915633U (en) | 2014-05-26 | 2014-05-26 | A kind of pre-filled catheter flusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420269950.XU CN203915633U (en) | 2014-05-26 | 2014-05-26 | A kind of pre-filled catheter flusher |
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| Publication Number | Publication Date |
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| CN203915633U true CN203915633U (en) | 2014-11-05 |
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| CN201420269950.XU Active CN203915633U (en) | 2014-05-26 | 2014-05-26 | A kind of pre-filled catheter flusher |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105268045A (en) * | 2014-05-26 | 2016-01-27 | 上海康德莱企业发展集团股份有限公司 | Pre-charging type catheter flusher |
-
2014
- 2014-05-26 CN CN201420269950.XU patent/CN203915633U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105268045A (en) * | 2014-05-26 | 2016-01-27 | 上海康德莱企业发展集团股份有限公司 | Pre-charging type catheter flusher |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |