CN104941031B - Infusion pump and method with rotation lock - Google Patents
Infusion pump and method with rotation lock Download PDFInfo
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- CN104941031B CN104941031B CN201510391826.XA CN201510391826A CN104941031B CN 104941031 B CN104941031 B CN 104941031B CN 201510391826 A CN201510391826 A CN 201510391826A CN 104941031 B CN104941031 B CN 104941031B
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- latch portion
- infusion pump
- rack
- rotation axis
- cover board
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Abstract
The invention discloses a kind of infusion pump and method with rotation lock, including：It the medicine box for accommodating medicinal fluid bag, the cover board for being fixedly connected on medicine box upper end and being convexly equipped with latch portion, the front and rear half shell for being arranged on above cover board and allowing rack that latch portion passes through, be fixed at rack both sides and mutually fasten and is accommodated by front and rear half shell and can be with the rotation axis of latch portion snap fit.The present invention can effectively prevent in infusion process, and the maloperation of Non-medical-staff causes infusion pump kit of parts to loosen accidentally, generates and infuses under unadjusted gravity, avoid patient's grievous injury or death, ensure product reliability.Simultaneously manufacture and maintenance cost can be reduced, improve product economy, and buckle structure is simple, it is easy to assembly and being capable of self-locking.
Description
Technical field
The present invention relates to a kind of infusion pumps and method with rotation lock.
Background technology
Infusion pump medication is as a kind of common clinical treatment means, for drug or medicament to be injected patient's body,
It has been widely used in the every field of medical practice.However there are two types of forms for existing portable infusion pump medicine box fixing lock：1.
Manual locking or unlocking structure；2. medicine box structure is locked or unlocked by key.It may during the structure use of manual operation
It comes off or Non-medical-staff maloperation unlocks, medicine box is caused to loosen, the normal conveying of liquid is influenced or even causes the great damage of sufferer
Wound is dead.Another kind is retracted or is unlocked that medicament box mechanism is complicated, and occupied space is larger by key, manufacture and maintenance cost compared with
Height does not possess preferable economy.
The content of the invention
The present invention seeks to：A kind of infusion pump and method with rotation lock are provided, solve Non-medical-staff mistake first
Operation unlock, causes medicine box to loosen the hidden danger for making infusion pump that can not work normally, and secondly, by structure optimization, reduces previous
The manufacture of the lock of mechanism complexity and maintenance cost improve the economy of product.
The present invention the first technical solution be：A kind of infusion pump with rotation lock, including：Accommodate the medicine of medicinal fluid bag
Box, the cover board for being fixedly connected on medicine box upper end and being convexly equipped with latch portion, the machine for being arranged on above cover board and latch portion being allowed to pass through
It frame, the front and rear half shell for being fixed at rack both sides and mutually fastening and is accommodated by front and rear half shell and can be with latch portion
The rotation axis of snap fit.
On the basis of the first technical solution, it further includes the following affiliated technical solutions：
The rotation axis includes cylinder, first and second flange for being arranged on cylinder both ends, the lock being arranged on the first flange
It hole and is arranged in the second flange end face and can be with the buckle muscle of latch portion snap fit.
The latch portion includes matrix, surrounds what is formed positioned at a pair of sidewalls of matrix both sides, by matrix and three face of side wall
Lock chamber, the opening for being at least partly opened in one side wall and being connected with lock chamber, wherein buckle muscle enters by opening
To lock intracavitary.
Described matrix inner wall is at least partly arc-shaped and is provided with a protrusion, and buckle is provided between protrusion and one side wall
Slot, and the muscle that is buckled is arc-shaped and its one end is provided with hook matched with buckle slot, adjacent with hook and accommodate protrusion
Arc groove.
The medicine box and cover board are ultrasonic bonding connection, and front and rear half shell is provided with the locating slot for accommodating rotation axis.
The opening and buckle slot are located at the both sides of matrix respectively.
The rack is wriggling metal machine frame, and is fixedly connected with pump head component, and is provided with what permission latch portion passed through
Perforation.
The present invention the second technical solution be：A kind of method with the infusion pump, including：
S1：Medicine box and cover board are formed into kit of parts for ultrasonic bonding connection first, while by rack and pump head component
It is fixedly connected；
S2：Then pump head component and kit of parts are assembled together, the rack that wherein latch portion passes through；
S3：Then rotation axis is put into locating slot；
S4：Front and rear half shell is fixedly connected with rack again；
S5：Rotation axis finally is driven along assigned direction rotation key, the buckle muscle in rotation axis is entered by opening
Intracavitary is latched, after being rotated in place, the hook for the muscle that is buckled enters buckle slot, while protrusion enters in the arc groove of buckle muscle.
The method have the advantages that：
The present invention can effectively prevent in infusion process, and the maloperation of Non-medical-staff causes infusion pump kit of parts accidentally loose
It is de-, it generates and infuses under unadjusted gravity, avoid patient's grievous injury or death, ensure product reliability.It can reduce simultaneously
Manufacture and maintenance cost improve product economy, and buckle structure is simple, easy to assembly and being capable of self-locking.
Description of the drawings
The invention will be further described with reference to the accompanying drawings and embodiments：
Fig. 1 is the explosive view of the present invention；
Fig. 2 is the stereo amplification figure of rotation axis in the present invention；
Fig. 3 is the stereo amplification figure under another visual angle of rotation axis in the present invention；
Fig. 4 is the front view of Chinese medicine box of the present invention and rack assembled state；
Fig. 5 is Fig. 4 along line A-A and is the sectional view of released state；
Fig. 6 is Fig. 4 along line A-A and is the sectional view of locking state.
Specific embodiment
Embodiment：As shown in figures 1 to 6, the present invention provides a kind of specific embodiment of the infusion pump with rotation lock,
Including：The medicine box 10 for accommodating medicinal fluid bag, the cover board 11 for being fixedly connected on 10 upper end of medicine box and being convexly equipped with latch portion 112 are arranged on
The top of cover board 11 and allow the rack 16 that latch portion 112 passes through, be fixed at 16 both sides of rack and mutually fasten front and rear half
Housing 12,14, by front and rear half shell 12,14 accommodated and can be rotated with the rotation axis 22 of 112 snap fit of latch portion and driving
The key 20 that axis 22 rotates.Its Chinese medicine box 10 and cover board 11 for ultrasonic bonding connection and form kit of parts, front and rear half shell
12nd, 14 it is provided with the locating slot 140 for accommodating rotation axis 22；Rack 16 be wriggling metal machine frame, and with pump head component (not shown)
It is fixedly connected, and is provided with the perforation 160 that latch portion 112 is allowed to pass through.Cover board 11 includes plate-like cover board bottom 110, convex
Go out to be arranged on the latch portion 112 on cover board bottom 110.
As Figure 2-3, rotation axis 22 include cylinder 220, be arranged on 220 both ends of cylinder first and second flange 222,
224th, the lockhole 221 that is arranged on the first flange 222 and coordinates with key 20 and be arranged on 224 end face of the second flange and
It can be with the buckle muscle 226 of 112 snap fit of latch portion.The outside of its middle cylinder body 220 can be arranged with sealing ring.
With reference to shown in Fig. 4-6, latch portion 112 includes matrix 114, is connected positioned at 114 both sides of matrix and with cover board bottom 110
A pair of sidewalls 115, by matrix 114,115 3 face of side wall surround form lock chamber 116, be at least partly opened in one side wall
The opening 118 being connected on 115 and with lock chamber 116, wherein buckle muscle 226 enters lock chamber 116 by opening 118
It is interior.
114 inner wall of matrix is at least partly arc-shaped and is provided with a protrusion 117, and is set between protrusion 117 and one side wall 115
Be equipped with buckle slot 119, and the muscle 226 that is buckled it is arc-shaped and be provided with 119 matched hook 227 of buckle slot in its one end, with
Hook 227 is adjacent and accommodates the arc groove 228 of protrusion 117.
During work, pump head component and kit of parts are assembled together, revolved by rotating key 20 and being rotated along assigned direction
Shaft 22, the buckle muscle 226 in rotation axis 22 is entered by opening 118 in lock chamber 116, after being rotated in place, buckle
The hook 227 of muscle 226 enters buckle slot 119, while thus protrusion 117 is limited into being buckled in the arc groove 228 of muscle 226
The revolution of rotation axis 22 loosens, and ensures that kit of parts and pump head component fastening are reliable.
The present invention can effectively prevent in infusion process, and the maloperation of Non-medical-staff causes infusion pump kit of parts accidentally loose
It is de-, it generates and infuses under unadjusted gravity, avoid patient's grievous injury or death.Manufacture and maintenance cost can be reduced simultaneously,
Improve product economy.
Although making specific descriptions to the present invention with reference to the above embodiments, for the ordinary skill people of this field
For member, it should be appreciated that can be carried out within the spirit and scope for not departing from the present invention based on present disclosure
Modification is improved also all within the spirit and scope of the present invention.
Claims (7)
1. a kind of infusion pump with rotation lock, it is characterised in that it includes：It accommodates the medicine box (10) of medicinal fluid bag, be fixedly connected on
Medicine box (10) upper end is simultaneously convexly equipped with the cover board (11) of latch portion (112), is arranged on cover board (11) top and allow latch portion (112)
The rack (16) that passes through, the front and rear half shell (12,14) for being fixed at rack (16) both sides and mutually fastening and front and rear
Half shell (12,14) accommodates and can include cylinder with the rotation axis (22) of latch portion (112) snap fit, the rotation axis (22)
(220), be arranged on first and second flange (222,224) at cylinder (220) both ends, be arranged on the first flange (222) and and key
(20) lockhole (221) of cooperation and it is arranged on the second flange (224) end face and can be with latch portion (112) snap fit
Be buckled muscle (226).
2. a kind of infusion pump with rotation lock as described in claim 1, it is characterised in that：The latch portion (112) includes
Matrix (114), positioned at a pair of sidewalls (115) of matrix (114) both sides, by matrix (114) and (115) three face of side wall around forming
Lock chamber (116), be at least partly opened in one side wall (115) and with lock chamber (116) opening (118) that is connected,
Middle buckle muscle (226) is entered by opening (118) in lock chamber (116).
3. a kind of infusion pump with rotation lock as claimed in claim 2, it is characterised in that：Described matrix (114) inner wall is extremely
Small part is arc-shaped and is provided with a protrusion (117), and is provided with buckle slot between protrusion (117) and one side wall (115)
(119), the muscle (226) that is buckled is arc-shaped and is provided in its one end with buckle slot (119) matched hook (227), with blocking
Hook (227) is adjacent and accommodates the arc groove of protrusion (117) (228).
4. a kind of infusion pump with rotation lock as described in claim 1 or 2 or 3, it is characterised in that：The medicine box (10) and
Cover board (11) is ultrasonic bonding connection, and front and rear half shell (12,14) is provided with the locating slot for accommodating rotation axis (22)
(140)。
5. a kind of infusion pump with rotation lock as claimed in claim 3, it is characterised in that：The opening (118) and buckle
Slot (119) is located at the both sides of matrix (114) respectively.
6. a kind of infusion pump with rotation lock as claimed in claim 4, it is characterised in that：The rack (16) is gold of wriggling
Belong to rack, and be fixedly connected with pump head component, and be provided with the perforation (160) that latch portion (112) is allowed to pass through.
7. a kind of assembly method with infusion pump described in claim 4, it is characterised in that it includes：
S1：Medicine box (10) and cover board (11) ultrasonic bonding connection are formed into kit of parts first, while by rack (16) with pumping
Head assembly is fixedly connected；
S2：Then pump head component and kit of parts are assembled together, the rack (16) that wherein latch portion (112) passes through；
S3：Then rotation axis (22) is put into locating slot (140)；
S4：Front and rear half shell (12,14) is fixedly connected with rack (16) again；
S5：Rotation axis (22) finally is driven along assigned direction rotation key (20), the buckle muscle (226) in rotation axis (22) passes through
It is open (118) and enters in lock chamber (116), after being rotated in place, the hook (227) of buckle muscle (226) enters buckle
Slot (119), while the arc groove (228) of protrusion (117) into buckle muscle (226) is interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510391826.XA CN104941031B (en) | 2015-07-07 | 2015-07-07 | Infusion pump and method with rotation lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510391826.XA CN104941031B (en) | 2015-07-07 | 2015-07-07 | Infusion pump and method with rotation lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104941031A CN104941031A (en) | 2015-09-30 |
| CN104941031B true CN104941031B (en) | 2018-06-01 |
Family
ID=54156441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510391826.XA Active CN104941031B (en) | 2015-07-07 | 2015-07-07 | Infusion pump and method with rotation lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104941031B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8545458B2 (en) * | 2009-06-25 | 2013-10-01 | Nestec S.A. | Pinch clamp assembly for an infusion cassette |
| CN201759901U (en) * | 2010-09-08 | 2011-03-16 | 南通爱普医疗器械有限公司 | Clamping and locking device of drug injection pump |
| US8974415B2 (en) * | 2012-04-10 | 2015-03-10 | Smiths Medical Asd, Inc. | Flow stop insert apparatus and methods |
| CN104162208B (en) * | 2013-05-16 | 2017-05-17 | 深圳市深科医疗器械技术开发有限公司 | Pressing handle locking device and injection pump |
| CN203425321U (en) * | 2013-07-09 | 2014-02-12 | 北京科力建元医疗科技有限公司 | Locking device of injection pump |
| CN203736605U (en) * | 2013-12-31 | 2014-07-30 | 北京中金硅谷科技有限公司 | Rotary fixing device of medical infusion pump |
| CN204864338U (en) * | 2015-07-07 | 2015-12-16 | 苏州麦德迅医疗科技有限公司 | Transfer pump with rotatory lock |
-
2015
- 2015-07-07 CN CN201510391826.XA patent/CN104941031B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104941031A (en) | 2015-09-30 |
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