CN106420348A - Infusion tube mouth - Google Patents
Infusion tube mouth Download PDFInfo
- Publication number
- CN106420348A CN106420348A CN201610855362.8A CN201610855362A CN106420348A CN 106420348 A CN106420348 A CN 106420348A CN 201610855362 A CN201610855362 A CN 201610855362A CN 106420348 A CN106420348 A CN 106420348A
- Authority
- CN
- China
- Prior art keywords
- sealing
- tube
- supervisor
- movable sealing
- diameter
- 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
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/05—Containers specially adapted for medical or pharmaceutical purposes for collecting, storing or administering blood, plasma or medical fluids ; Infusion or perfusion containers
- A61J1/10—Bag-type containers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/1412—Containers with closing means, e.g. caps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/1475—Inlet or outlet ports
Landscapes
- Health & Medical Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Hematology (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
The invention discloses an infusion tube mouth which comprises a main tube, a movable sealing tube and a sealing outer tube. The main tube is sequentially and internally provided with a liquid inlet cavity, a sealing cavity and a limiting cavity. The diameter of the liquid inlet cavity and the diameter of the limiting cavity are both larger than the diameter of the sealing cavity. The top of the movable sealing tube is sealed, and a sealing part is arranged on the side, close to the top end, of the movable sealing tube. The diameter of the sealing part is matched with the diameter of the sealing cavity. The movable sealing tube is arranged in the main tube in a penetrating mode. A liquid inlet is formed in the side wall of the sealing part. The movable sealing tube makes the liquid inlet exposed or closed through movement. The sealing outer tube is attached to the bottom end face of the main tube so that the lower port of the main tube can be closed. By means of the infusion tube mouth, an infusion channel can be sealed when an infusion resin needle is pulled out, so the defect that liquid medicine leaks out of an infusion container or pollution is caused by butyl rubber plug cast produced by piercing is avoided, and product quality is improved.
Description
Technical field
The present invention relates to a kind of tubing port for transfusion bag.
Background technology
Soft-packing transfusion product has listed for many years, bag that its structure is mainly made up of non-PVC multi-layer co-extruded film, mouth pipe with
And composite cover composition.Now the form of mouth pipe on the market and composite cover is varied.The mouth of pipe and the relatively complete independence of composite cover, first
Carry out welded seal after heating devices heat after mouth pipe is connected with bag, or directly by the connecting portion of composite cover
Apply external force compacting in insert port pipe to be sealed；Also composite cover and mouth pipe is had to be one, directly by mouth sealing of tube to bag
Upper.Butyl rubber plug is both provided with mouth pipe, the structure of composite cover or cut-off valve block carries out blocking sealing.Used at it
Cheng Zhong, removes the outmost overcoat of composite cover（Protecting film, valve block）, resin pin of infusing interts butyl rubber plug or isolating valve,
Piece is infused.
At present, mouth pipe, the use of closure mainly have following two modes；
The first：Mouth pipe and closure were independent before the formation product that comes into operation, and it is special to pass through during using
Technique connect, realize to bag sealing and formed infusion channel function；Independent closure is built-in with butyl
Plug realizing blocking and sealing function, transfusion resin pin by be inserted through butyl rubber plug get through tube for transfusion and transfusion bag carry out defeated
Liquid.
Second：Mouth pipe was gathered together before the formation product that comes into operation with closure, was an entirety,
In the overall mouth pipe of this form, typically it is built-in with cut-off valve block, transfusion resin very gets through transfusion bag after piercing through cut-off valve block
Passage and tube for transfusion between is infused.
In mode one：The purpose of built-in butyl rubber plug primarily to using the elastic characteristic of butyl rubber plug after puncturing,
After extracting transfusion resin pin out, puncturing hole resilience can be blocked and prevent leakage by butyl rubber plug, but plug during the use of reality
Resilience force often occurs not lead to resilience not in place and cause puncturing hole can not be fully blocked, cause medicinal liquid to spill；In addition point
In the sharp piercing process of resin pin, unavoidable destruction butyl rubber plug, produces butyl rubber plug cast, butyl rubber plug cast enters
The quality of product is affected in medicament.
In mode two：Valve block by transfusion resin pin puncture after, due to valve block nonelastic it is impossible to return enters to pin hole
Row closure.After transfusion terminates, remaining in the medicinal liquid in transfusion bag can flow out from bag, pollute.
Content of the invention
It is an object of the invention to provide a kind of structure novel and unique, easy to use, and can effectively close the defeated of the mouth of pipe
Liquid pipe mouth；Concrete technical scheme is：
A kind of tubing port, including supervisor, movable sealing pipe and sealing external cover；It is disposed with admission chamber, close in described supervisor
Envelope chamber, limit chamber, the diameter of described admission chamber and described limit chamber is all higher than the diameter of described annular seal space；Described movable sealing pipe
Top seals, and top side is provided with sealing, the diameter of described sealing is adapted to the diameter of described annular seal space；Activity
Seal pipe be located in supervisor in, the side wall of described sealing is provided with inlet, movable sealing Gutron excessively movement make described in enter
Liquid mouth exposes or closes；Described sealing external cover is bonded in the bottom face of supervisor, will be airtight for the lower port of supervisor.
Further, described movable sealing pipe top is set to taper.
Further, described inlet is arranged in the middle part of the outer wall of described sealing.
Further, described movable sealing bottom of the tube is set to bell mouth shape.
Further, described movable sealing ttom of pipe end arranges restraining position ring block.
Further, described supervisor includes supervisor's set and embedded sealing shroud；Described embedded sealing shroud is set in described supervisor's set
Inside, described annular seal space and described limit chamber are arranged in embedded sealing shroud.
Further, it is provided with the middle part of described embedded sealing shroud inner chamber that convex annular is stupefied, the waist setting of described movable sealing pipe
Fluted, the width of described groove is more than the width of described sealing.
Tubing port of the present invention is capable of the sealing when resin pin of infusing is extracted out to infusion channel, thus avoiding medicinal liquid
The defect of the pollution spilling from infusion vessel or causing because of the puncture butyl rubber plug cast causing, improves product
Quality.
Brief description
Fig. 1 is tubing port structural representation of the present invention；
Tubular construction schematic diagram based on Fig. 2；
Fig. 3 is movable sealing tubular construction schematic diagram；
Fig. 4 is tubing port structural representation of the present invention；
Fig. 5 is tubing port structural representation exploded view of the present invention.
In figure：1st, sealing external cover；2nd, embed sealing shroud；3rd, movable sealing pipe；3-1, sealing；3-2, limiting section；3-3、
Inlet；3-4, spacing ring；4th, it is responsible for；4-1, admission chamber；4-2, annular seal space；4-3, limit chamber；5th, resin syringe needle.
Specific embodiment
Below with embodiment, the present invention is more fully illustrated.The present invention can be presented as multiple multi-forms,
It is not construed as the exemplary embodiment being confined to describe here.
For ease of explanation, here can using " on ", the space relative terms such as D score " left " " right ", for saying
Shown in bright in figure a element or feature are with respect to the relation of another element or feature.It should be understood that except in figure
Outside the orientation illustrating, spatial terminology is intended to the different azimuth in use or operation including device.For example, if in figure
Device is squeezed, be stated as positioned at the element of other elements or feature D score will be located into other elements or feature " on ".Cause
This, exemplary term D score can comprise both upper and lower orientation.Device can otherwise position（Ratate 90 degrees or be located at
Other orientation）, can correspondingly explain used herein of space explanation relatively.
As shown in figure 1, the tubing port in embodiment is applied in transfusion bag, including supervisor 4, movable sealing pipe 3 and close
Envelope enclosing cover 1；The pipes that supervisor 4 is provided with boss for bottom, inside be disposed with cylindric admission chamber 4-1, annular seal space 4-2,
Limit chamber 4-3, the diameter of admission chamber 4-1 and limit chamber 4-3 is all higher than the diameter of annular seal space 4-2；Movable sealing pipe 3 top is close
Envelope, is provided with sealing 3-1 near top side, the diameter of sealing 3-1 is adapted to the diameter of annular seal space 4-2；Movable sealing
Pipe 3 is located in supervisor 4, is provided with inlet 3-3 in the middle part of the side wall of sealing 3-1, and movable sealing pipe 3 passes through movement makes feed liquor
Mouth 3-3 exposes or closes；Sealing external cover 1 is bonded in the bottom face of supervisor, will be airtight for the lower port of supervisor.Inlet 3-3 also may be used
To be arranged on position on the upper side or on the lower side on the outer wall of sealing 3-1.
Movable sealing pipe 3 top is set to taper；Ensure the intensity at top, it is to avoid pierced through it is impossible to close by resin syringe needle 5
Envelope；Turbulent flow can be reduced in the top of taper, is conducive to the flowing of liquor.
Movable sealing pipe 3 bottom is limiting section 3-2, and limiting section outer wall is ring V-type groove, and lower port is horn mouth；Tree
When in fat syringe needle 5 insertion horn mouth, after mouth less with top contacts, contact site is extruded, form larger frictional force；Make
Resin syringe needle 5 when extracting, frictional force can be relied on to drive movable sealing pipe 3 to move downward, return to the position of sealing, it is to avoid
Medicinal liquid spills.
Limiting section 3-2 bottom arranges the convex stupefied of restricted movable sealing pipe 3 movement position upwards, constitutes spacing ring 3-4；Logical
The lower edge crossing limit chamber 4-3 is contacted with the upper surface of spacing ring 3-4, stops and moves up into admission chamber 4-1 in movable sealing pipe 3 continuation
Interior, it is to avoid movable sealing pipe 3 departs from, so that the self sealss mouth of pipe was lost efficacy.
Process for convenience, can also will be responsible for 4 two parts being set to split as Fig. 5：Supervisor's set and embedded sealing
Set 2；Annular seal space 4-2 and limit chamber 4-3 is arranged in embedded sealing shroud 2.
Can also arrange in the middle part of embedded sealing shroud 2 inner chamber that convex annular is stupefied, the convex stupefied height along inner chamber axial direction is 0.5 milli
Rice, diameter is less than the diameter of inner chamber 0.2 millimeter；Groove is set in the waist of movable sealing pipe 3, the width of groove is more than sealing
The width of 3-1.By the width control system movable sealing pipe 3 of groove with respect to the movement of embedded sealing shroud 2 distance, it is to avoid activity close
Tube sealing 3 departs from embedded sealing shroud 2 from lower port；Simultaneously so that movable sealing pipe 3 moves to can expose inlet 3- during upper end
3, when moving to lower end, inlet 3-3 can be closed.
During specific works, after resin syringe needle 5 pierces through sealing external cover 1, the opening of insertion movable sealing pipe 3 lower end, resin
Syringe needle 5 toward during interpolation due to movable sealing pipe 3 internal diameter bell shape from large to small, resin syringe needle 5 encounters loudspeaker
Mouth inwall, extruding inwall simultaneously makes inwall slightly deform, and just can not enter inside again, will pass through tree from the thrust applying inside outward
Fat syringe needle 5 all acts on movable sealing pipe 3, by movable sealing pipe 3 to pushing tow upwards, as shown in figure 4, exposing inlet 3-
3, admission chamber 4-1 is connected with movable sealing pipe 3, medicinal liquid will be entered in movable sealing pipe 5 by inlet 3-3, then through tree
Fat syringe needle 5 is infused to transfusion Bottomhole pressure, and embedded sealing shroud 2 inwall is stair-stepping to project through prevention movable sealing pipe 3
Continue to stretch into inside after exposing medicine feeding hole 5.After transfusion needle is extracted out, movable sealing pipe 3 moves down with pin, movable sealing
Feeding opening 5 on pipe 3 will be withdrawn into 2 in embedded sealing shroud again, and medicine feeding hole 5 will be embedded sealing shroud 2 and block again, realize close
The effect of envelope.
Above-mentioned example is only intended to the present invention is described, in addition, also multiple different embodiments, and these enforcements
Mode be all those skilled in the art after comprehension inventive concept it is also envisioned that therefore, here will not enumerate.
Claims (7)
1. a kind of tubing port is it is characterised in that include supervisor, movable sealing pipe and sealing external cover；Set successively in described supervisor
It is equipped with admission chamber, annular seal space, limit chamber, the diameter of described admission chamber and described limit chamber is all higher than the diameter of described annular seal space；
The sealing of described movable sealing pipe top, is provided with sealing, the diameter of described sealing and described annular seal space near top side
Diameter adaptation；Movable sealing pipe is located in supervisor, and the side wall of described sealing is provided with inlet, movable sealing Gutron
Crossing movement makes described inlet expose or close；Described sealing external cover is bonded in the bottom face of supervisor, will be close for the lower port of supervisor
Close.
2. tubing port as claimed in claim 1 is it is characterised in that described movable sealing pipe top is set to taper.
3. tubing port as claimed in claim 1 is it is characterised in that described inlet is arranged in the outer wall of described sealing
Portion.
4. tubing port as claimed in claim 1 is it is characterised in that described movable sealing bottom of the tube is set to bell mouth shape.
5. tubing port as claimed in claim 1 it is characterised in that described movable sealing ttom of pipe end be provided with convex stupefied.
6. tubing port as claimed in claim 1 is it is characterised in that described supervisor includes supervisor's set and embedded sealing shroud；Institute
State embedded sealing shroud and be set in described supervisor's set inside, described annular seal space and described limit chamber are arranged in embedded sealing shroud.
7. tubing port as claimed in claim 6 is it is characterised in that be provided with convex annular in the middle part of described embedded sealing shroud inner chamber
Stupefied, the waist setting of described movable sealing pipe is fluted, and the width of described groove is more than the width of described sealing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620774972 | 2016-07-22 | ||
| CN2016207749720 | 2016-07-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106420348A true CN106420348A (en) | 2017-02-22 |
| CN106420348B CN106420348B (en) | 2020-05-12 |
Family
ID=58169403
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621084905.2U Active CN206366033U (en) | 2016-07-22 | 2016-09-28 | A kind of tubing port |
| CN201610855362.8A Active CN106420348B (en) | 2016-07-22 | 2016-09-28 | Infusion tube mouth |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621084905.2U Active CN206366033U (en) | 2016-07-22 | 2016-09-28 | A kind of tubing port |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN206366033U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107334638A (en) * | 2017-08-15 | 2017-11-10 | 苏州创扬医药科技股份有限公司 | One kind transfusion head and combination cover |
| CN107335106A (en) * | 2017-08-15 | 2017-11-10 | 苏州创扬医药科技股份有限公司 | A kind of infusion connector |
| CN116747141A (en) * | 2023-08-11 | 2023-09-15 | 四川大学华西医院 | Blunt needle capable of adjusting bending degree of blunt surface and application method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206366033U (en) * | 2016-07-22 | 2017-08-01 | 湖南科伦制药有限公司 | A kind of tubing port |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1208355A (en) * | 1995-12-15 | 1999-02-17 | Icu医学有限公司 | Medical valve with fluid escape space |
| EP1787667A1 (en) * | 2004-08-04 | 2007-05-23 | Ajinomoto Co., Inc. | Communicating needle used to cause two or more containers to communicate |
| CN201537237U (en) * | 2009-12-01 | 2010-08-04 | 河北天成药业有限公司 | External compression soft bag connecting pipe orifice cover |
| CN104800077A (en) * | 2015-05-14 | 2015-07-29 | 威海联桥新材料科技股份有限公司 | Combined cap for infusion |
| CN206366033U (en) * | 2016-07-22 | 2017-08-01 | 湖南科伦制药有限公司 | A kind of tubing port |
-
2016
- 2016-09-28 CN CN201621084905.2U patent/CN206366033U/en active Active
- 2016-09-28 CN CN201610855362.8A patent/CN106420348B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1208355A (en) * | 1995-12-15 | 1999-02-17 | Icu医学有限公司 | Medical valve with fluid escape space |
| EP1787667A1 (en) * | 2004-08-04 | 2007-05-23 | Ajinomoto Co., Inc. | Communicating needle used to cause two or more containers to communicate |
| CN201537237U (en) * | 2009-12-01 | 2010-08-04 | 河北天成药业有限公司 | External compression soft bag connecting pipe orifice cover |
| CN104800077A (en) * | 2015-05-14 | 2015-07-29 | 威海联桥新材料科技股份有限公司 | Combined cap for infusion |
| CN206366033U (en) * | 2016-07-22 | 2017-08-01 | 湖南科伦制药有限公司 | A kind of tubing port |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107334638A (en) * | 2017-08-15 | 2017-11-10 | 苏州创扬医药科技股份有限公司 | One kind transfusion head and combination cover |
| CN107335106A (en) * | 2017-08-15 | 2017-11-10 | 苏州创扬医药科技股份有限公司 | A kind of infusion connector |
| CN116747141A (en) * | 2023-08-11 | 2023-09-15 | 四川大学华西医院 | Blunt needle capable of adjusting bending degree of blunt surface and application method thereof |
| CN116747141B (en) * | 2023-08-11 | 2024-01-16 | 四川大学华西医院 | Blunt needle capable of adjusting bending degree of blunt surface and application method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN206366033U (en) | 2017-08-01 |
| CN106420348B (en) | 2020-05-12 |
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