CN202822119U - Self-sealing reusable hard dual-interface - Google Patents
Self-sealing reusable hard dual-interface Download PDFInfo
- Publication number
- CN202822119U CN202822119U CN 201220582320 CN201220582320U CN202822119U CN 202822119 U CN202822119 U CN 202822119U CN 201220582320 CN201220582320 CN 201220582320 CN 201220582320 U CN201220582320 U CN 201220582320U CN 202822119 U CN202822119 U CN 202822119U
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- mixed medicine
- needle
- interface
- medicine
- self sealss
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Abstract
The utility model discloses a self-sealing reusable hard dual-interface comprising a base, a medicine mixing clamp body, a dosing needle and a self-sealing elastic cushion I, wherein the bottom of the medicine mixing clamp body is provided with a through hole and extends downwards to form a needle cylinder body sleeved on a medicine mixing interface; and the self-sealing elastic cushion I is arranged in the needle cylinder body, the dosing needle is fixed on a port of the medicine mixing interface, and a needle tip is inserted to the self-sealing elastic cushion I and corresponds to the through hole in the axial direction. During medicine mixing, the medicine mixing clamp body is rotated or pushed downwards, and the self-sealing elastic cushion I is compressed by the medicine mixing interface; and after the medicine mixing is finished, the medicine mixing clamp body is rotated or pulled upwards, the self-sealing elastic cushion I is gradually decompressed by the medicine mixing interface and restores to seal a lower needle tip again, so that the needle tip is automatically and successfully sealed after the medicine mixing is finished, and the cleanliness of liquid medicine in a medicine mixing channel and a transfusion container is ensured; and the hard dual-interface can be reused, and one transfusion solution can be mixed with two or more medicaments.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, relates in particular to the reusable hard double nip of a kind of self sealss.
Background technology
In clinical treating disease, often give patient infusion or by intravenous drip directly with in the infusion of medicine body, medicine often is stored in the transfusion flexible bag, and the medicinal liquid in the transfusion flexible bag injects or output usually by hard double nip realization.
In the prior art, hard double nip mainly comprises pedestal, mixed medicine card and dosing crosspointer.Have mixed medicine passage and an infusion channel on the pedestal, mixed medicine passage extends the mixed medicine interface that pedestal forms the cylindrical hollow structure, is provided with barrier film in mixed medicine interface, and infusion channel is extended the infusion connector that pedestal forms the cylindrical hollow structure.Mixed medicine card is the cylindrical hollow structure, and the bottom of mixed medicine card extends to form needle cylindrical unit downwards, and the bottom of needle cylindrical unit is fixed on the mixed medicine interface.The dosing crosspointer is located in the mixed medicine card and can be along axially the moving up and down of mixed medicine card, and the upper needle point of dosing crosspointer points to the upper port of mixed medicine card, and the bottom that lower needle point passes mixed medicine card is stretched in the needle cylindrical unit and be corresponding with barrier film.During mixed medicine, cillin bottle is stuck in the mixed medicine card, promotes cillin bottle downwards, along with the dosing crosspointer moves down, upper needle point pierces through the sealing-plug on the cillin bottle, and lower needle point punctures the barrier film in the mixed medicine interface, just can mix the medicine operation.
The hard double nip of said structure is disposable mixed medicine, after the dosing crosspointer pierces through cillin bottle and barrier film and mixes medicine, take off cillin bottle from mixed medicine card, mixed medicine passage just communicates with the external world, medicinal liquid in the infusion vessel is easily by environmental pollution, so the hard double nip of said structure can't be reused.
The utility model content
For above shortcomings in the prior art, this utility model provides a kind of needle point automatic-sealed of realizing medicine feeding needle behind the mixed medicine, avoids the reusable hard double nip of the contaminated self sealss of medicinal liquid in the infusion vessel.
In order to solve the problems of the technologies described above, this utility model has adopted following technical scheme:
The reusable hard double nip of self sealss comprises pedestal, mixed medicine card, medicine feeding needle and self sealss cushion I; Have a mixed medicine passage on the described pedestal, described mixed medicine passage extends the mixed medicine interface that pedestal forms the cylindrical hollow structure; The bottom of described mixed medicine card is provided with the through hole that can pass for the needle point of medicine feeding needle, and the bottom of mixed medicine card extends to form a needle cylindrical unit downwards, and needle cylindrical unit is enclosed within on the mixed medicine interface and can moves axially along mixed medicine interface; Described self sealss cushion I is arranged in the needle cylindrical unit, and described medicine feeding needle is fixed on the port of mixed medicine interface, and the needle point of medicine feeding needle inserts self sealss cushion I and corresponding in the axial direction with through hole.
As a kind of preferred version of the present utility model, the bottom of described mixed medicine card is provided with self sealss cushion II.
As another kind of preferred version of the present utility model, the inwall of described needle cylindrical unit is provided with locating ring in the circumferential direction of the circle, is provided with in the circumferential direction of the circle locating slot on the cylindrical of described mixed medicine interface, and locating ring is positioned at locating slot during mixed medicine.
As another preferred version of the present utility model, be symmetrically arranged with at least two on the inwall of described mixed medicine card and be used for preventing card that medicament reservoir withdraws from and that be obliquely installed.
As a kind of improvement project of the present utility model, the upper port of described mixed medicine card is provided with seal cover.
As the further improvement of the utility model scheme, be provided with at needle cylindrical unit and ∕ or mixed medicine interface and can prevent that needle cylindrical unit from screwing out or pulling out the anticreep parts of mixed medicine interface.
The beneficial effects of the utility model are: this utility model is fixed on medicine feeding needle on the port of mixed medicine interface, and the needle point of medicine feeding needle inserts self sealss cushion I, makes mixed medicine passage be in sealing state.During mixed medicine, cillin bottle is inserted in the mixed medicine card, be rotated down or promote mixed medicine card, needle cylindrical unit moves down at mixed medicine interface, mixed medicine interface compression self sealss cushion I, the needle point of medicine feeding needle passes self sealss cushion I and through hole and pierces through the plug of self sealss cushion II and cillin bottle, mixes medicine; After mixed medicine finishes, rotate up or spur mixed medicine card, the medicine feeding needle needle point withdraws from self sealss cushion II, the healing of self sealss cushion II puncturing hole, mixed medicine interface is decompress(ion) self sealss cushion I gradually, self sealss cushion I return reseals the needle point of medicine feeding needle, take off cillin bottle in mixed medicine card, this self sealss cushion I has successfully realized needle point automatic-sealed behind mixed medicine of medicine feeding needle, the cleannes of the medicinal liquid in mixed medicine passage and the infusion vessel have been guaranteed, therefore this hard double nip is reusable, and can realize a kind of transfusion solution and two or more medicament mixed by this hard double nip.
Description of drawings
Fig. 1 is the cross-sectional view of the reusable hard double nip of self sealss;
Fig. 2 is the structural representation that the reusable hard double nip of self sealss mixes medicine.
In the accompanying drawing: 1-pedestal; 2-mixed medicine passage; 3-mixed medicine interface; 4-mixed medicine card; 5-needle cylindrical unit; 6-medicine feeding needle; 7-self sealss cushion I; 8-locating ring; 9-locating slot; 10-self sealss cushion II; 11-card; 12-seal cover; 13-infusion channel; 14-cillin bottle; 15-through hole; 16-prevention hole.
The specific embodiment
Below in conjunction with the drawings and specific embodiments this utility model is described in further detail.
As shown in Figure 1, the reusable hard double nip of self sealss comprises pedestal 1, mixed medicine card 4, medicine feeding needle 6 and self sealss cushion I 7.Have mixed medicine passage 2 and an infusion channel 13 on the pedestal 1, mixed medicine passage 2 extends the mixed medicine interface 3 that pedestal 1 forms the cylindrical hollow structure.The bottom of mixed medicine card 4 is provided with and can adopts single needle for medicine feeding needle 6(the present embodiment) the through hole 15 that passes of needle point, and the bottom of mixed medicine card 4 extends to form a needle cylindrical unit 5 downwards, needle cylindrical unit 5 be enclosed within on the mixed medicine interface 3 and can move axially along mixed medicine interface 3 (the mode rotation set that needle cylindrical unit 5 can be by threaded engagement on the mixed medicine interface 3 or the mode by clamping be connected on the mixed medicine interface 3).Self sealss cushion I 7 is arranged in the needle cylindrical unit 5, and medicine feeding needle 6 is fixed on the port of mixed medicine interface 3, and the needle point of medicine feeding needle 6 inserts self sealss cushion I 7 and corresponding in the axial direction with through hole 15.With the sealing of the needle point of medicine feeding needle 6, and then will mix mixed medicine channel seal in the medicine interface 3 by this self sealss cushion I 7.
The inwall of needle cylindrical unit 5 is provided with locating ring 8 in the circumferential direction of the circle, is provided with in the circumferential direction of the circle locating slot 9 on the cylindrical of mixed medicine interface 3, and locating ring 8 is positioned at locating slot 9 during mixed medicine.In the present embodiment, locating ring 8 is positioned at the top of female thread, and locating slot 9 is positioned at externally threaded top, and when being connected to needle cylindrical unit 5 on the mixed medicine interface 3, locating ring 8 is positioned at the top of locating slot 9, is in this moment before the mixed medicine; If needle cylindrical unit 5 continues to be rotated down, until locating ring 8 is positioned at locating slot 9, the lower needle point of medicine feeding needle 6 passes self sealss cushion 7, is in mixed medicine state this moment.Cooperate by locating ring 8 and locating slot 9, more be conducive to the operator and mix the medicine operation.
Be provided with the anticreep parts that can prevent needle cylindrical unit 5 back-outs or pull out mixed medicine interface 3 at needle cylindrical unit 5 and/or mixed medicine interface 3.In the present embodiment, these anticreep parts are the prevention ring 16 that is arranged on the outer wall that mixes medicine interface 3, stop ring 16 to be positioned at the top of locating slot 9 and the port of close mixed medicine interface 3, need the locating ring 8 on the needle cylindrical unit 5 is firmly inserted the below that stops ring 16 with needle cylindrical unit 5 rotation sets or when being connected on the mixed medicine interface 3, the displacement scope control of needle cylindrical unit 5 rotations or clamping is being stoped between ring 16 and the locating slot 9, when mixed medicine finished backward upper rotation or the mixed medicine card 4 of pulling, this prevention ring 16 can stop needle cylindrical unit 5 and mixed medicine interface 3 because too rotation or pulling break away from mutually.
Be symmetrically arranged with at least two on the inwall of mixed medicine card 4 and be used for preventing card 11 that medicament reservoir withdraws from and that be obliquely installed.In the present embodiment, be symmetrically arranged with six cards 11 at the inwall that mixes medicine card 4.Cillin bottle 14 insert mixed medicine card 4 interior after, the bottle cap of cillin bottle 14 can effectively avoid cillin bottle 14 to withdraw from mixed medicine card 4 under the inhibition of card 11.The bottom of mixed medicine card 4 is provided with self sealss cushion II 10.Cillin bottle 14 snap in mixed medicine card 4 interior after, the bottle cap compressing self-sealing cushion II 10 of cillin bottle 14, because this self sealss cushion II 10 has good elasticity, card 11 on this self sealss cushion II 10 and the mixed medicine card 4 can effectively stop cillin bottle 14 moving axially along mixed medicine card 4, self sealss cushion II 10 can seal the grafting site between cillin bottle 14 and mixed medicine card 4 bottoms fully, and the medicinal liquid seepage occurs when avoiding mixed medicine; But these self sealss cushion II 10 automatic-sealeds behind the mixed medicine make through hole 15 be in sealing state, can effectively keep the cleannes of through hole 15 before and after mixed medicine.
The upper port of mixed medicine card 4 is provided with seal cover 12, by the sealing function of seal cover 12, makes this hard double nip have good cleannes in the mixed medicine card 4 before mixed medicine.
During mixed medicine, as shown in Figure 2.During mixed medicine, cillin bottle 14 is inserted in the mixed medicine card 4, be rotated down or promote mixed medicine card 4, needle cylindrical unit 5 moves down at mixed medicine interface 3, mixed medicine interface 3 compressing self-sealing cushion I 7, the needle point of medicine feeding needle 6 passes self sealss cushion I 7 and through hole 15 and pierces through the plug of self sealss cushion II 10 and cillin bottle 14, until the locating ring 8 in the needle cylindrical unit 5 is positioned at the locating slot 9 on the mixed medicine interface 3, just can mix the medicine operation this moment.After mixed medicine finishes, rotate up or spur mixed medicine card 4, mixed medicine interface 3 is decompress(ion) self sealss cushion I 7 gradually, self sealss cushion I 7 returns reseal the needle point of medicine feeding needle 6, take off cillin bottle 14 in mixed medicine card 4, this self sealss cushion I 7 has successfully realized needle point automatic-sealed behind mixed medicine of medicine feeding needle 6, the cleannes of the medicinal liquid in mixed medicine passage and the infusion vessel have been guaranteed, therefore this hard double nip is reusable, and can realize a kind of transfusion solution and two or more medicament mixed by this hard double nip.
Explanation is at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to preferred embodiment this utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (6)
1. the reusable hard double nip of self sealss comprises pedestal (1), has a mixed medicine passage (2) on the described pedestal (1), and described mixed medicine passage (2) extends the mixed medicine interface (3) that pedestal (1) forms the cylindrical hollow structure; It is characterized in that: also comprise mixed medicine card (4), medicine feeding needle (6) and self sealss cushion I (7); The bottom of described mixed medicine card (4) is provided with the through hole (15) that the needle point that can supply medicine feeding needle (6) passes, and the bottom of mixed medicine card (4) extends to form a needle cylindrical unit (5) downwards, and needle cylindrical unit (5) is enclosed within mixed medicine interface (3) upward and can moves axially along mixed medicine interface (3); Described self sealss cushion I (7) is arranged in the needle cylindrical unit (5), and described medicine feeding needle (6) is fixed on the port of mixed medicine interface (3), and the needle point of medicine feeding needle (6) inserts self sealss cushion I (7) and corresponding in the axial direction with through hole (15).
2. the reusable hard double nip of self sealss according to claim 1, it is characterized in that: the bottom of described mixed medicine card (4) is provided with self sealss cushion II (10).
3. the reusable hard double nip of self sealss according to claim 1, it is characterized in that: the inwall of described needle cylindrical unit (5) is provided with locating ring (8) in the circumferential direction of the circle, be provided with in the circumferential direction of the circle locating slot (9) on the cylindrical of described mixed medicine interface (3), locating ring (8) is positioned at locating slot (9) during mixed medicine.
4. the reusable hard double nip of self sealss according to claim 1 is characterized in that: be symmetrically arranged with two on the inwall of described mixed medicine card (4) and be used for preventing card (11) that medicament reservoir withdraws from and that be obliquely installed at least.
5. the reusable hard double nip of self sealss according to claim 1, it is characterized in that: the upper port of described mixed medicine card (4) is provided with seal cover (12).
6. the reusable hard double nip of the described self sealss of each claim in 5 according to claim 1 is characterized in that: be provided with at needle cylindrical unit (5) and ∕ or mixed medicine interface (3) and can prevent that needle cylindrical unit (5) from screwing out or pulling out the anticreep parts of mixed medicine interface (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220582320 CN202822119U (en) | 2012-11-07 | 2012-11-07 | Self-sealing reusable hard dual-interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220582320 CN202822119U (en) | 2012-11-07 | 2012-11-07 | Self-sealing reusable hard dual-interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202822119U true CN202822119U (en) | 2013-03-27 |
Family
ID=47933932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220582320 Expired - Lifetime CN202822119U (en) | 2012-11-07 | 2012-11-07 | Self-sealing reusable hard dual-interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202822119U (en) |
-
2012
- 2012-11-07 CN CN 201220582320 patent/CN202822119U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |
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| CX01 | Expiry of patent term |