CN110215396A - Blood or oxygen inlet/outlet pipe attachment device vertical with blood vessel membrane body - Google Patents
Blood or oxygen inlet/outlet pipe attachment device vertical with blood vessel membrane body Download PDFInfo
- Publication number
- CN110215396A CN110215396A CN201910614958.2A CN201910614958A CN110215396A CN 110215396 A CN110215396 A CN 110215396A CN 201910614958 A CN201910614958 A CN 201910614958A CN 110215396 A CN110215396 A CN 110215396A
- Authority
- CN
- China
- Prior art keywords
- blood
- outlet pipe
- oxygen inlet
- membrane body
- interconnecting piece
- 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.)
- Pending
Links
- 210000004369 blood Anatomy 0.000 title claims abstract description 82
- 239000008280 blood Substances 0.000 title claims abstract description 82
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 239000001301 oxygen Substances 0.000 title claims abstract description 55
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 55
- 210000004204 blood vessel Anatomy 0.000 title claims abstract description 35
- 239000012528 membrane Substances 0.000 title claims abstract description 32
- 238000006213 oxygenation reaction Methods 0.000 claims description 6
- 238000006392 deoxygenation reaction Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 5
- 239000000306 component Substances 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
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
- A61J1/1412—Containers with closing means, e.g. caps
- A61J1/1418—Threaded type
-
- 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
- A61J1/1481—Inlet or outlet ports with connection retaining means, e.g. thread or snap-fit
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)
- External Artificial Organs (AREA)
Abstract
The invention discloses a kind of blood or oxygen inlet/outlet pipe attachment devices vertical with blood vessel membrane body, belong to the field of medical instrument technology, including the membrane body jointing for connecting blood or oxygen inlet/outlet pipe and blood vessel, it is characterized by: including the connection sheet being welded and fixed in blood storage bag film and with the blood storage bag film in the membrane body jointing structure, the interconnecting piece in a tubular form being vertically connected across the blood storage bag film and with the connection sheet and the tapered expansion tube department being connected with the interconnecting piece, blood or oxygen inlet/outlet pipe are connected by connection component with the membrane body jointing.By design connection component, blood or oxygen inlet/outlet pipe can be rapidly vertically connected with matched connector the present invention；By design expansion tube department and snap ring or nut, the sealing of blood or oxygen inlet/outlet pipe and connector is realized；Snap ring or nut can protect the heat seal junction of connection sheet and blood vessel, and preventing from tearing when in use causes to leak.
Description
Technical field
The invention belongs to the field of medical instrument technology more particularly to a kind of blood or oxygen inlet/outlet pipe and blood vessel membrane body
Vertical attachment device.
Background technique
Blood vessel is blood vessel of the storage for ultraviolet blood irradiation and oxygenation treatment, is passed in and out by connection blood or oxygen
Blood or oxygen are filled in blood vessel or are discharged out of blood vessel oxygen or the container exported to needs or treatment by pipe
Personnel.Blood vessel is often formed by medical plastic Heat Sealing.And the company of blood or oxygen inlet/outlet pipe and blood vessel
Connected is to form blood vessel by hot pressing by filling in blood or oxygen inlet/outlet pipe at sealing when making blood vessel
While realize the sealing of blood or oxygen inlet/outlet pipe and blood vessel.
At least there is following technical problem in the prior art: since blood vessel (is generally adopted using special material cause
With the non-polar materials such as polypropylene or polyethylene plastics), such as pass through high frequency between blood vessel and blood or oxygen inlet/outlet pipe
Both heat-sealing machine connection will be unable to play the role of heat seal to non-polar material, cannot be guaranteed using the methods of heat seal, bonding, bonding
In conjunction with firmness, stability and safety.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of blood or the connections vertical with blood vessel membrane body of oxygen inlet/outlet pipe
Device, the structure by designing membrane body jointing are realized that pipe is vertical with blood vessel and are stably connected with and between the two close
Envelope.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
A kind of blood or oxygen inlet/outlet pipe attachment device vertical with blood vessel membrane body, including for connect blood or oxygen into
The membrane body jointing of outlet pipe and blood vessel, key are: including being located at blood storage bag film in the membrane body jointing structure
It is interior and be welded and fixed with the blood storage bag film connection sheet, be vertically connected across the blood storage bag film and with the connection sheet
Interconnecting piece in a tubular form and the tapered expansion tube department that is connected with the interconnecting piece, blood or oxygen inlet/outlet pipe are by connection
Component is connected with the membrane body jointing.
Further, annular convex platform, the blood or oxygen are equipped in the junction of the interconnecting piece and the expansion tube department
The end of inlet/outlet pipe is located at the interconnecting piece after expansion tube department flaring.
Further, the connection component include be sleeved on the interconnecting piece outside for by the blood or oxygen
The end of inlet/outlet pipe is pressed on the snap ring of the interconnecting piece.
Further, the connection component includes being threadedly coupled with the interconnecting piece and by the blood or oxygen inlet/outlet pipe
End be pressed on the nut of the expansion tube department.
Further, include in the structure of the nut threaded joints being threadedly coupled with the interconnecting piece and with institute
It states expansion tube department and matches the compressed part to form horn-like cavity.
Further, oxygenation connector and deoxygenation connector are equipped on the blood storage bag film.
Further, hanging ring is equipped on the blood storage bag film.
The beneficial effects of the present invention are: by design connection component, blood or oxygen inlet/outlet pipe can rapidly with it is mating
Connector be vertically connected；By design expansion tube department and snap ring or nut, the close of blood or oxygen inlet/outlet pipe and connector is realized
Envelope；Snap ring or nut can protect the heat seal junction of connection sheet Yu blood vessel membrane body, and preventing from tearing when in use causes
Leakage.
The present invention is described in detail with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of blood or oxygen inlet/outlet pipe of the present invention attachment device vertical with blood vessel membrane body；
Fig. 2 is blood or oxygen inlet/outlet pipe in blood or oxygen inlet/outlet pipe of the present invention attachment device vertical with blood vessel membrane body
With the structural schematic diagram of blood storage bag film connection structure embodiment one；
Fig. 3 is blood or oxygen inlet/outlet pipe in blood or oxygen inlet/outlet pipe of the present invention attachment device vertical with blood vessel membrane body
With the structural schematic diagram of blood storage bag film connection structure embodiment two.
In the accompanying drawings: 1 is blood storage bag film, and 2 be blood or oxygen inlet/outlet pipe, and 3 be membrane body jointing, and 3-1 is connection sheet,
3-2 is interconnecting piece, and 3-3 is expansion tube department, and 3-4 is annular convex platform, and 4 be snap ring, and 5 be nut, and 5-1 is threaded joints, and 5-2 is pressure
Tight portion, 6 be oxygenation connector, and 7 be deoxygenation connector, and 8 be hanging ring.
Specific embodiment
Referring to attached drawing 1-3, the present invention provides a kind of blood or the connections vertical with blood vessel membrane body of oxygen inlet/outlet pipe
Device, including the membrane body jointing 3 for connecting blood or oxygen inlet/outlet pipe 2 and blood vessel, key is: membrane body connection
Include the connection sheet 3-1 being welded and fixed in blood storage bag film 1 and with blood storage bag film 1 in 3 structure of connector, pass through blood storage bag film
1 and with the connection sheet 3-1 interconnecting piece 3-2 in a tubular form being vertically connected and the tapered expander being connected with interconnecting piece 3-2
Portion 3-3, blood or oxygen inlet/outlet pipe 2 are connected by connection component with membrane body jointing 3.
Expansion tube department 3-3 is designed to male-tapered, in use, the end of blood or oxygen inlet/outlet pipe 2 is firmly screwed into expansion tube department
3-3 makes its expansion, achievees the purpose that be connected with connector and seal.
In addition, oxygenation connector 6 and deoxygenation connector 7 are equipped on blood storage bag film 1 when inlet/outlet pipe is for blood disengaging,
For connecting matched oxygenation pipe and oxygen discharging tube.It is equipped with hanging ring 8, on blood storage bag film 1 in order to lift entire blood storage bag film 1.
Connection component embodiment one: referring to attached drawing 2, annular convex platform is equipped in the junction of interconnecting piece 3-2 and expansion tube department 3-3
The end of 3-4, blood or oxygen inlet/outlet pipe 2 is located at interconnecting piece 3-2 after expansion tube department 3-3 flaring.Connection component includes that setting exists
The snap ring 4 for being used to for being pressed on the end of blood or oxygen inlet/outlet pipe 2 interconnecting piece 3-2 in the outside of interconnecting piece 3-2.Snap ring 4
Thickness is less than or equal to the length of interconnecting piece 3-2, and through-hole thereon is slightly larger than the diameter of annular convex platform 3-4.PE the or PP material of snap ring 4
Matter, which is made, makes it have certain elasticity, is cased with the convex annular 3-4 of pipe and by pipe clamp in interconnecting piece 3- in favor of passing through
2.Snap ring 4 and connection sheet 3-1 is fitted closely under the action of annular convex platform 3-4 simultaneously, prevents blood storage bag film 1 when in use even
Leakage problem caused by the junction of contact pin 3-1 and blood storage bag film 1, which is torn, causes weld to fail or film is torn.
In use, first by 4 sets of snap ring on blood or oxygen inlet/outlet pipe 2, then by the end of blood or oxygen inlet/outlet pipe 2
It is screwed onto interconnecting piece 3-2, finally snap ring 4 is firmly stuck at interconnecting piece 3-2 and is pressed on the end of inlet/outlet pipe at interconnecting piece 3-2 simultaneously
It is fitted closely with connection sheet 3-1.
Connection component embodiment two: do not regarded out referring to attached drawing 3(blood storage bag film 1), in the present embodiment, connection component include with
Interconnecting piece 3-2 is threadedly coupled and the end of blood or oxygen inlet/outlet pipe 2 is pressed on to the nut 5 of expansion tube department 3-3.The knot of nut 5
It include matching to form horn-like cavity with the interconnecting piece 3-2 threaded joints 5-1 being threadedly coupled and with expansion tube department 3-3 in structure
Compressed part 5-2.The threaded connection degree of nut 5 and interconnecting piece 3-2 make the horn-like cavity to be formed be variable cavity, benefit
In compression inlet/outlet pipe, adapt to different inlet/outlet pipes.Interconnecting piece 3-2 be also provided with gasket so that inlet/outlet pipe be compacted after spiral shell
Mother 5 can fit closely with connection sheet 3-1.
In use, first by 5 sets of nut on blood or oxygen inlet/outlet pipe 2, then by the end of blood or oxygen inlet/outlet pipe 2
Portion, which is screwed into expansion tube department 3-3, is tightened in its expansion finally on the screw thread of interconnecting piece 3-2 nut 5 so that blood or oxygen inlet/outlet pipe
2 are pressed in expansion tube department 3-3, while the end of nut 5 is fitted closely with connection sheet 3-1, prevents blood storage bag film 1 from existing when in use
The junction of connection sheet 3-1 and blood storage bag film 1, which is torn, to be caused to leak.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still
It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (7)
1. a kind of blood or oxygen inlet/outlet pipe attachment device vertical with blood vessel membrane body, including for connecting blood or oxygen
The membrane body jointing (3) of inlet/outlet pipe (2) and blood vessel, it is characterised in that: include in membrane body jointing (3) structure
Positioned at the connection sheet (3-1) that blood storage bag film (1) is interior and is welded and fixed with the blood storage bag film (1), pass through the blood storage bag film
(1) and with the connection sheet (3-1) interconnecting piece (3-2) in a tubular form that is vertically connected and with the interconnecting piece (3-2) phase
Tapered expansion tube department (3-3) even, blood or oxygen inlet/outlet pipe (2) are by connection component and the membrane body jointing (3)
It is connected.
2. blood according to claim 1 or oxygen inlet/outlet pipe attachment device vertical with blood vessel membrane body, feature
It is: is equipped with annular convex platform (3-4), the blood or oxygen in the junction of the interconnecting piece (3-2) and the expansion tube department (3-3)
The end of gas inlet/outlet pipe (2) is located at the interconnecting piece (3-2) after the expansion tube department (3-3) flaring.
3. blood according to claim 2 or oxygen inlet/outlet pipe attachment device vertical with blood vessel membrane body, feature
Be: outside of the connection component including being sleeved on the interconnecting piece (3-2) is used for the blood or oxygen inlet/outlet pipe
(2) end is pressed on the snap ring (4) of the interconnecting piece (3-2).
4. blood according to claim 1 or oxygen inlet/outlet pipe attachment device vertical with blood vessel membrane body, feature
Be: the connection component includes being threadedly coupled with the interconnecting piece (3-2) and by the end of the blood or oxygen inlet/outlet pipe (2)
Portion is pressed on the nut (5) of the expansion tube department (3-3).
5. blood according to claim 4 or oxygen inlet/outlet pipe attachment device vertical with blood vessel membrane body, feature
Be: include in the structure of the nut (5) threaded joints (5-1) being threadedly coupled with the interconnecting piece (3-2) and with
The expansion tube department (3-3) matches the compressed part (5-2) to form horn-like cavity.
6. blood according to claim 1-5 or oxygen inlet/outlet pipe is vertical with blood vessel membrane body connect dress
It sets, it is characterised in that: oxygenation connector (6) and deoxygenation connector (7) are equipped on the blood storage bag film (1).
7. blood according to claim 1-5 or oxygen inlet/outlet pipe is vertical with blood vessel membrane body connect dress
It sets, it is characterised in that: be equipped with hanging ring (8) on the blood storage bag film (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910614958.2A CN110215396A (en) | 2019-07-09 | 2019-07-09 | Blood or oxygen inlet/outlet pipe attachment device vertical with blood vessel membrane body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910614958.2A CN110215396A (en) | 2019-07-09 | 2019-07-09 | Blood or oxygen inlet/outlet pipe attachment device vertical with blood vessel membrane body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110215396A true CN110215396A (en) | 2019-09-10 |
Family
ID=67813068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910614958.2A Pending CN110215396A (en) | 2019-07-09 | 2019-07-09 | Blood or oxygen inlet/outlet pipe attachment device vertical with blood vessel membrane body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110215396A (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB108527A (en) * | 1916-08-09 | 1917-08-09 | George Reginald Read | Improvements in or connected with Hose Couplings and Hose Connections. |
| CH344522A (en) * | 1955-04-28 | 1960-02-15 | Braun Fa B | Containers for the collection and preservation of blood and for the storage of blood serum, blood substitutes and infusion solutions |
| DE3917534A1 (en) * | 1988-06-01 | 1989-12-07 | Sterimed Gmbh | Union nut for catheter attachments |
| JPH03126463A (en) * | 1989-10-12 | 1991-05-29 | Toyobo Co Ltd | Connector for artificial heart |
| JPH08166090A (en) * | 1994-10-14 | 1996-06-25 | Toyoda Gosei Co Ltd | Rubber hose, its manufacture and hose connecting structure |
| US5858015A (en) * | 1993-09-29 | 1999-01-12 | Dideco S.P.A. | Container for blood |
| KR200261090Y1 (en) * | 2001-10-11 | 2002-01-19 | 김춘일 | A connector for a spouting hose |
| KR200270025Y1 (en) * | 2002-01-07 | 2002-03-27 | 김춘일 | Hose connecting clamping nut |
| KR200294937Y1 (en) * | 2002-07-29 | 2002-11-13 | 김춘일 | A connector for a hose |
| JP2009254777A (en) * | 2007-07-19 | 2009-11-05 | National Cardiovascular Center | Connection unit and connection construction of artificial blood vessel or blood passage tube |
| WO2010069361A1 (en) * | 2008-12-15 | 2010-06-24 | Carmel Pharma Ab | Connection arrangement and method for connecting a medical device to the connection arrangement |
| CN103330994A (en) * | 2013-07-17 | 2013-10-02 | 迈柯唯医疗设备(苏州)有限公司 | Connecting structure of medical hose and medical copper pipe |
| CN105960585A (en) * | 2014-03-17 | 2016-09-21 | 恩特葛瑞斯-捷特隆解决方案公司 | Disposable liquid chemical sensor system |
| CN106512116A (en) * | 2016-12-17 | 2017-03-22 | 李广效 | Device for traditional Chinese medicine cupping physical therapy |
| CN107714485A (en) * | 2017-11-17 | 2018-02-23 | 雷诺丽特塑料科技（北京）有限公司 | Feeding bottle with milk bag |
| CN211096082U (en) * | 2019-07-09 | 2020-07-28 | 河北晟泰生物科技有限公司 | Vertical connecting device for blood or oxygen inlet and outlet pipe and blood container membrane body |
-
2019
- 2019-07-09 CN CN201910614958.2A patent/CN110215396A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB108527A (en) * | 1916-08-09 | 1917-08-09 | George Reginald Read | Improvements in or connected with Hose Couplings and Hose Connections. |
| CH344522A (en) * | 1955-04-28 | 1960-02-15 | Braun Fa B | Containers for the collection and preservation of blood and for the storage of blood serum, blood substitutes and infusion solutions |
| DE3917534A1 (en) * | 1988-06-01 | 1989-12-07 | Sterimed Gmbh | Union nut for catheter attachments |
| JPH03126463A (en) * | 1989-10-12 | 1991-05-29 | Toyobo Co Ltd | Connector for artificial heart |
| US5858015A (en) * | 1993-09-29 | 1999-01-12 | Dideco S.P.A. | Container for blood |
| JPH08166090A (en) * | 1994-10-14 | 1996-06-25 | Toyoda Gosei Co Ltd | Rubber hose, its manufacture and hose connecting structure |
| KR200261090Y1 (en) * | 2001-10-11 | 2002-01-19 | 김춘일 | A connector for a spouting hose |
| KR200270025Y1 (en) * | 2002-01-07 | 2002-03-27 | 김춘일 | Hose connecting clamping nut |
| KR200294937Y1 (en) * | 2002-07-29 | 2002-11-13 | 김춘일 | A connector for a hose |
| JP2009254777A (en) * | 2007-07-19 | 2009-11-05 | National Cardiovascular Center | Connection unit and connection construction of artificial blood vessel or blood passage tube |
| WO2010069361A1 (en) * | 2008-12-15 | 2010-06-24 | Carmel Pharma Ab | Connection arrangement and method for connecting a medical device to the connection arrangement |
| CN103330994A (en) * | 2013-07-17 | 2013-10-02 | 迈柯唯医疗设备(苏州)有限公司 | Connecting structure of medical hose and medical copper pipe |
| CN105960585A (en) * | 2014-03-17 | 2016-09-21 | 恩特葛瑞斯-捷特隆解决方案公司 | Disposable liquid chemical sensor system |
| CN106512116A (en) * | 2016-12-17 | 2017-03-22 | 李广效 | Device for traditional Chinese medicine cupping physical therapy |
| CN107714485A (en) * | 2017-11-17 | 2018-02-23 | 雷诺丽特塑料科技（北京）有限公司 | Feeding bottle with milk bag |
| CN211096082U (en) * | 2019-07-09 | 2020-07-28 | 河北晟泰生物科技有限公司 | Vertical connecting device for blood or oxygen inlet and outlet pipe and blood container membrane body |
Non-Patent Citations (1)
| Title |
|---|
| 中国技术成果大全编辑部: "《中国技术成果大全 （医学专辑之二） 第二期》", vol. 1993, 科学技术文献出版社, pages: 103 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20090227961A1 (en) | Line, in particular a line of a blood tubing system or of a blood bag sysetm | |
| CN211096082U (en) | Vertical connecting device for blood or oxygen inlet and outlet pipe and blood container membrane body | |
| CN110215396A (en) | Blood or oxygen inlet/outlet pipe attachment device vertical with blood vessel membrane body | |
| CN207334046U (en) | Corrugated stainless steel tubing ring seals quick coupling | |
| CN206823739U (en) | A kind of aobvious pressure type autoclave | |
| CN101721309A (en) | Infusion bag and infusion apparatus matched with same | |
| CN103868239B (en) | Electric heater | |
| CN206468953U (en) | Direct insertion fast connecting joint for pipe | |
| CN201079560Y (en) | Transfusion soft bag interface sealing device | |
| CN209316637U (en) | A kind of Medical negative pressure drainage bottle sealing device | |
| CN208565918U (en) | A kind of sealing and connecting device of composite glass steel pipe | |
| CN110397816A (en) | A kind of high closeness PVC bellows connection equipment | |
| CN201909138U (en) | Clamp hoop | |
| CN202409496U (en) | Safe and quick transfusion bag | |
| CN201343219Y (en) | Hose with outlet having non-return function | |
| CN206915083U (en) | Inhalation aerosol bottle placer liquid tank | |
| CN205938270U (en) | Be applied to conveying line's sealing connecting piece | |
| CN109276766A (en) | A kind of Medical negative pressure drainage bottle sealing device | |
| CN212226322U (en) | Anti-leakage pipeline butt joint device | |
| CN107420661B (en) | Tap diversion attachment device | |
| CN216985854U (en) | Internal fixation type drainage tube | |
| CN209876207U (en) | Be used for exhaust gas purifier intake pipe connecting device | |
| CN215652999U (en) | Transfusion structure of enemator | |
| CN208348788U (en) | A kind of gas pipeline closure capsule | |
| CN204521790U (en) | Transfusion needleless joint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |