CN103857424B - Bobbin general formula flexible pipe retained transfusion device - Google Patents
Bobbin general formula flexible pipe retained transfusion device Download PDFInfo
- Publication number
- CN103857424B CN103857424B CN201280041750.2A CN201280041750A CN103857424B CN 103857424 B CN103857424 B CN 103857424B CN 201280041750 A CN201280041750 A CN 201280041750A CN 103857424 B CN103857424 B CN 103857424B
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- CN
- China
- Prior art keywords
- flexible pipe
- tube base
- transfusion device
- general formula
- sliding tray
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- 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.)
- Expired - Fee Related
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/06—Body-piercing guide needles or the like
- A61M25/0612—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders
- A61M25/0631—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders having means for fully covering the needle after its withdrawal, e.g. needle being withdrawn inside the handle or a cover being advanced over the needle
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hematology (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
A kind of bobbin general formula flexible pipe retained transfusion device, comprise perforator (1), connection tube (2) and aft-end assembly.Perforator (1) is a kind of sleeve puncture outfit, and perforator (1) is a kind of sleeve puncture outfit, comprises flexible pipe (13), flexible tube base (15), sealing member (14), puncture needle tubing (11), needle stand (12) and operating grip (17).Due to flexible pipe (13) deliquescing by body temp affects in the blood vessel, therefore patient after putting pipe, limbs still can be movable flexibly, comfortable infusion treatment is brought to sufferer in the end of the flexible pipe (13) simultaneously softened.Transfusion end withdraw from indwelling flexible pipe (13) afterwards needle point be retracted into flexible tube base (15) front end, bring great convenience and safety to subsequent medical garbage disposal.This transfusion device can be used for direct transfusion, makes transfusion operation faster, easy.Puncture needle tubing of the prior art and Transfusion needle pipe unite two into one by this transfusion device, simplify the structure.The more important thing is, due to puncture needle tubing (11), flexible pipe (13) and aft-end assembly can be affixed integral, thus can one-piece construction dispatches from the factory, integral type uses, and guarantee the single use of this transfusion device.
Description
Technical field
The present invention relates to a kind of medical transfusion apparatus, particularly a kind of bobbin and general formula flexible pipe retained transfusion device.
Background technology
A kind of transfusion device of the prior art as shown in Figure 1, it is made up of perforator 1, connection tube 2 and aft-end assembly, aft-end assembly by liquid medicine filter 3, infusion tube 4, fluid flow regulator 5, dropping funnel 6, bottle end connection tube 7, wear bottle device 8 and deaerator 9 forms.Wherein perforator 1 is made up of certain length hard needle tubing and operating grip, infuse use time, medical worker usually will in whole needle tubing feeding sufferer blood vessel, then utilizes adhesive tape or apply ointment or plaster to be fixed on human body skin by perforator, in order to avoid needle tubing comes off or departs from.Because needle tubing has certain length, and firmly straight, more it is a risk that needle point is very sharp, limit the movable amplitude of contact pin limbs, sufferer limbs need keep a kind of posture for a long time, feel bad very much.Otherwise sufferer limbs are often movable in infusion process, needle point very easily occurs and scratches tunica intima, cause vascular inflammatory, especially infant is without self-control, and transfusion complication more easily occurs.This pin mode of putting is when occurring seriously to pull infusion tube, and puncture needle tubing departs from fixed position, and needle point may be worn out or scratch blood vessel, and causes transfusion complication, and as become silted up the symptom such as green grass or young crops, redness, sufferer is very painful.After this transfusion device has been infused, extract puncture needle tubing, band blood needle tubing has no protection, outside exposed, very easily needle pricks medical worker occurs, and causes bloodborne diseases.Therefore, medical worker needs extreme care, to ensure infusion safety when operating.
Summary of the invention
The object of the invention is to overcome weak point of the prior art, and provide a kind of easy to operate, opposed pin sufferer limbs requirement bobbin that is few, easy to use, not easily initiation transfusion complication and general formula flexible pipe retained transfusion device.
The object of the invention is to be realized by following approach.
Bobbin general formula flexible pipe retained transfusion device, comprise perforator, connection tube and aft-end assembly, its composition main points are, perforator is a kind of sleeve puncture outfit, comprise flexible pipe, flexible tube base, sealing member, puncture needle tubing, needle stand and operating grip, flexible pipe and flexible tube base affixed, sealing member is placed in flexible tube base inner chamber, puncture needle tubing through after sealing member containing being enclosed within hose core, needle point exposes flexible pipe leading section, puncture needle tubing is communicated with grafting with needle stand front portion, needle stand rear end is connected with connection tube, connection tube is connected with the assembly of transfusion device aft-end assembly, flexible tube base is a kind of Cylinder shape constructional element, needle stand slides in its inner chamber, flexible tube base sidepiece is extended with a kind of sliding tray vertically, operating grip cross this sliding tray and needle stand affixed and form slide assemblies, can slide along this sliding tray in operating grip correspondence portion, there is between slide assemblies and flexible tube base a kind of stopping device, when the slide assemblies slided backward is by this stopping device retaining, before needle tip is still positioned at sealing member, hose core, puncture needle tube core and connection tube tube core composition infusion channel.
During use, first flexible pipe penetrates in blood vessel, after seeing blood back in connection tube together with puncture needle tubing, then perforator angle is reduced, flexible pipe is continued push toward Ink vessel transfusing, until in whole flexible pipe intravasation, needle tubing of simultaneously dropping back, until by stopping device retaining, flexible pipe indwelling in the blood vessel, opens the flow regulator in aft-end assembly, and medicinal liquid is by the puncture needle tubing of needle stand rear end connection tube, recession, entered in sufferer blood vessel by flexible pipe again, reach transfusion object.Due to the flexible pipe deliquescing by body temp affects in the blood vessel, one be sufferer put pipe body part still can be movable flexibly, two is that softening hose end can not arterial intima, more can not wear out blood vessel, thus can not there is complication of infusing, bring the infusion treatment of safety and comfort to sufferer.After transfusion terminates, close flow regulator, withdraw from indwelling flexible pipe, because needle point has been retracted into flexible tube base front end, do not have outside exposed, thus needle point can not injure people, and brings great convenience and safety to subsequent medical garbage disposal.
Like this, infuse with flexible pipe indwelling human body, all because of puncture needle tubing put weak point that pin human body carries out infusing produced (such as: opposed pin sufferer limbs require complicated, use inconvenient, easily cause transfusion complication etc.) all no longer exist; Meanwhile, with general remaining needle unlike, after puncture, puncture needle tubing is only retreat to be hidden in not from wherein removing in flexible tube base, simultaneously also as the infusion channel of connection flexible pipe and connection tube.The direct benefit brought like this is: can directly infuse, and insert Transfusion needle pipe again and infuse, thus transfusion operation is faster, easy without the need to such as remaining needle of the prior art after need pulling out puncture needle tubing; Meanwhile, unite two into one puncture needle tubing of the prior art and Transfusion needle pipe, makes puncture needle tubing of the present invention have effect both this simultaneously, thus simplify structure; The particularly important is, because puncture needle tubing, flexible pipe and aft-end assembly can be affixed integral without the need to disengaging, thus can one-piece construction dispatches from the factory, integral type uses, thus for the single use of true capital preservation product create structural may.
Object of the present invention can also be realized by following approach.
When the slide assemblies slided backward is by this stopping device retaining, before needle tip is still arranged in sealing member, after flexible pipe naked section flexible tube base inner chamber.
Flexible pipe rear end is plugged on flexible tube base, and the hose segment be positioned at beyond flexible tube base is called flexible pipe naked section.
Have two sliding trays and be symmetrically distributed in flexible tube base both sides, and have two operating grips respectively correspondence to run through sliding tray all affixed with needle stand.
Operating grip is that one pinches ear, pinches ear and form one pair and pinch ear operating grip for common affixed with needle stand two.
Pinch the mode that ear operating grip provides another kind of convenient operation for this pair.
Further optimization about stopping device is:
This stopping device is a kind of retrogressing obstacle being positioned at sliding tray tail end, and this retrogressing obstacle can be a kind of prominent convex stuck point at sliding tray tail end, also can be that sliding tray tail end is closed.
Also include a kind of non-return device, this non-return device is arranged between slide unit and flexible tube base, if retreat the slide unit that puts in place reverse before push away non-return device therewith stoped contact.
Like this, because of the prevention of non-return device, retreat the slide unit that puts in place can not before push away.Thus both ensured that the puncture needle tubing retreated can not be passed out again and hurts sb.'s feelings, also can impel this bobbin of the present invention and general formula flexible pipe retained transfusion device single use.
Common in this non-return device aciculiform medical apparatus and instruments in the prior art, mostly can apply in the present invention.The present invention provides two kinds of non-return devices optimized at this:
One is:
This non-return device is made up of convex clamping point and pit, this convex clamping point and pit Corresponding matching are arranged on slide assemblies and flexible tube base, during retrogressing, slide assemblies is trapped in pit by elastic deformation this convex clamping point after this convex clamping point of ascending by force, thus pushes away before stoping puncture needle tubing.
Another kind is:
This non-return device is made up of Elastic buckle and dogging shoulder, and Elastic buckle is positioned on syringe, and dogging shoulder is positioned on slide unit, get over during retrogressing this Elastic buckle and back to position its dogging shoulder of slide unit just with Elastic buckle clamping, thus to push away before stoping the needle tubing that punctures.
The further optimization of this non-return device is:
This Elastic buckle is made up of the buckle on elastic suspended tongue and outstanding tongue top, empty near the interval parallel with sliding tray, flexible tube base sliding tray tail end edge and allow this empty and even wear at sliding tray tail end and sliding tray " U " shape, namely these " U " shape central authorities form an elastic suspended tongue, buckle is arranged in this elastic suspended tongue top and dashes forward convex in sliding tray, in a kind of oblique or arc being convenient to ascend on front side of bayonet socket, the cusp configuration ascended in a kind of prevention on rear side of bayonet socket or vertically shape.
Like this, the dogging shoulder on slide unit is by the shape on front side of buckle by pressing down elastic suspended tongue and this buckle of easily ascending, and the shape on rear side of bayonet socket then ensures to be formed top with dogging shoulder, thus pushes away before stoping puncture needle tubing.
This dogging shoulder is positioned on operating grip, its concrete shape or a kind of pit, or the front side shoulder of operating grip.
Flexible tube base is a kind of Cylinder shape constructional element, its forward lumen is little duct, rear portion inner chamber is macropore, excessive by taper between size two duct, flexible pipe rear end is plugged in this little duct, also comprise a kind of wedging part, wedging part is a kind of front and back end opening and axially runs through the conical flask shape of subdivision groove, the anterior straight tube of wedging part mates also clamping between this little duct and flexible pipe with this little duct, wedging part rear portion cone cylinder then excessively mates with the taper of flexible tube base inner chamber, this wedging part of sinciput is by flexible pipe and flexible tube base tight fit connection, wedging part or medical stainless steel or medical plastic are made, sealing member is positioned at the rear of wedging part cone cylinder.
Also comprise a kind of deposited wing, it is fixed on flexible tube base.
In sum, the present invention compared to existing technology tool has the following advantages: due to the flexible pipe deliquescing by body temp affects in the blood vessel, one be sufferer put pipe body part still can be movable flexibly, two is that softening hose end can not arterial intima, more blood vessel can not be worn out, thus can not there is complication of infusing, bring the infusion treatment of safety and comfort to sufferer.After indwelling flexible pipe is withdrawn from transfusion end, because needle point has been retracted into flexible tube base front end, do not have outside exposed, thus needle point can not injure people, and brings great convenience and safety to subsequent medical garbage disposal.Directly can infuse, insert Transfusion needle pipe again after puncture needle tubing need being pulled out without the need to such as remaining needle of the prior art and infuse, thus transfusion operation be faster, easy; Meanwhile, unite two into one puncture needle tubing of the prior art and Transfusion needle pipe, makes puncture needle tubing of the present invention have effect both this simultaneously, thus simplify structure; The particularly important is, because puncture needle tubing, flexible pipe and aft-end assembly can be affixed integral without the need to disengaging, thus can one-piece construction dispatches from the factory, integral type uses, thus for the single use of true capital preservation product create structural may.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of a kind of transfusion device in prior art.
Accompanying drawing 2 is bobbin of the present invention and the structural representation of general formula flexible pipe retained transfusion device.
Accompanying drawing 3 is that perforator in the embodiment of the present invention one is at the structural representation treating puncture state.
Accompanying drawing 4 is the complete structural representations treating transfusion state of perforator puncture in the embodiment of the present invention one.
Accompanying drawing 5 is flexible tube base structural representation axonometric charts in the embodiment of the present invention one.
Accompanying drawing 6 is flexible tube base structural representation three-dimensional cutaway views in the embodiment of the present invention one.
Accompanying drawing 7 is structural representation axonometric charts of a kind of stereoscopic-state of slide assemblies in the embodiment of the present invention one.
Accompanying drawing 8 is structural representation axonometric charts of the another kind of stereoscopic-state of slide assemblies in the embodiment of the present invention one.
Accompanying drawing 9 is that perforator in the embodiment of the present invention two is at the structural representation treating puncture state.
Accompanying drawing 10 is that perforator in preferred embodiment is at the structural representation treating puncture state.
Label declaration:
The 1 perforator 11 pit 2 connection tube 3 liquid medicine filter 4 infusion tube 5 fluid flow regulator 6 dropping funnel 7 bottles end connection tube 8 after pit 172 that to puncture before duct 16 wedging part 17 operating grip 18 applies the wing 171 behind the little duct 155 of convex clamping point 154 after convex clamping point 153 before needle tubing 12 needle stand 121 connection tube boss 13 flexible pipe 14 sealing member 15 flexible tube base 151 sliding tray 152 wears bottle device 9 deaerator
Below in conjunction with accompanying drawing, more detailed description is carried out to the present invention.
Detailed description of the invention
Embodiment one:
With reference to Fig. 2, bobbin general formula flexible pipe retained transfusion device, comprise perforator 1, connection tube 2 and aft-end assembly, aft-end assembly by liquid medicine filter 3, infusion tube 4, fluid flow regulator 5, dropping funnel 6, bottle end connection tube 7, wear bottle device 8 and deaerator 9 forms.
With reference to Fig. 3, Fig. 4, perforator is a kind of sleeve puncture outfit, comprises flexible pipe 13, flexible tube base 15, sealing member 14, puncture needle tubing 11, needle stand 12 and operating grip 17.
With reference to Fig. 5, Fig. 6, flexible tube base 15 is Cylinder shape constructional elements of a kind of front and back end opening, and its forward lumen is little duct 154, and rear portion inner chamber is macropore 155, excessive by step between size two duct.Flexible tube base 15 sidepiece is extended with a kind of sliding tray 151 vertically, sliding tray 151 tail end respectively before and after prominent convexly have front convex clamping point 152 and rear convex clamping point 153, before and after this convex clamping point all with flexible tube base Construction integration.
With reference to Fig. 7, Fig. 8, needle stand 12 is connected with operating grip 17 and forms slide assemblies.Operating grip 17 is a kind of tabular components, and its upper and lower surface is provided with a kind of front and back pit 171,172 respectively near needle stand 12 place.Stretch behind needle stand 12 rear end and have a kind of connection tube boss 121.
With reference to Fig. 3, Fig. 4, flexible pipe 13 to be plugged in little duct 154 and affixed with flexible tube base 15, sealing member 14 is placed in joint portion, size duct, puncture needle tubing 11 through after sealing member 14 containing being enclosed within hose core, needle point exposes flexible pipe 13 leading section, puncture needle tubing 11 is communicated with grafting with needle stand 12 front portion, and the connection tube boss 121 that needle stand 12 rear end is stretched out is connected with connection tube 2, and connection tube 2 is connected with the assembly of transfusion device aft-end assembly.Needle stand 12 slides in flexible tube base 15 inner chamber, it is affixed and form slide assemblies with needle stand 12 that operating grip 17 crosses sliding tray 151, can slide along this sliding tray 151 in the corresponding portion of operating grip 17, rear convex clamping point 153 forms a kind of stopping device with rear pit 172, when the slide assemblies slided backward is by this stopping device retaining, before needle tip is still arranged in sealing member 14, after flexible pipe 13 naked section flexible tube base inner chamber (as shown in Figure 4).Now, front convex clamping point 152 is also trapped in front pit 171, and front convex clamping point 152 and front pit 171 form a kind of non-return device, thus stop retreat the slide unit put in place reverse before push away.Hose core, puncture needle tube core and connection tube tube core composition infusion channel.
During use, first flexible pipe 13 penetrates in blood vessel, after seeing blood back in connection tube 2 together with puncture needle tubing 11, then perforator angle is reduced, flexible pipe 13 is continued push toward Ink vessel transfusing, until in whole flexible pipe 13 intravasation, needle tubing 11 of simultaneously dropping back, until by stopping device retaining, flexible pipe 13 indwelling in the blood vessel, opens the flow regulator in aft-end assembly, and medicinal liquid is by the puncture needle tubing 11 of needle stand 12 rear end connection tube 2, recession, entered in sufferer blood vessel by flexible pipe 13 again, reach transfusion object.After transfusion terminates, close flow regulator, withdraw from indwelling flexible pipe 13, because needle point has been retracted into flexible tube base front end, do not have outside exposed, thus needle point can not injure people.
It is same as the prior art that the present embodiment does not state part.
Embodiment two:
With reference to Fig. 2, Fig. 9, bobbin general formula flexible pipe retained transfusion device, comprise perforator 1, connection tube 2 and aft-end assembly, aft-end assembly by liquid medicine filter 3, infusion tube 4, fluid flow regulator 5, dropping funnel 6, bottle end connection tube 7, wear bottle device 8 and deaerator 9 forms.Perforator is a kind of sleeve puncture outfit, comprises flexible pipe 13, flexible tube base 15, sealing member 14, puncture needle tubing 11, needle stand 12 and operating grip 17.Flexible tube base 15 is a kind of Cylinder shape constructional elements, its forward lumen is little duct 154, rear portion inner chamber is macropore 155, excessive by taper between size two duct, flexible pipe 13 rear end is plugged in this little duct 154, also comprise a kind of wedging part 16, wedging part 16 is a kind of front and back end opening and axially runs through the conical flask shape of subdivision groove, the anterior straight tube of wedging part 16 mates also clamping between this little duct 154 and flexible pipe 13 with this little duct 154, wedging part 16 rear portion cone cylinder then excessively mates with the taper of flexible tube base 15 inner chamber, this wedging part 16 of sinciput is by flexible pipe 13 and flexible tube base 15 tight fit connection, wedging part 16 or medical stainless steel or medical plastic are made, sealing member 14 is positioned at the rear that wedging part 16 bores cylinder.
It is identical with embodiment one that the present embodiment does not state part.
Most preferred embodiment:
With reference to Fig. 2, Figure 10, bobbin general formula flexible pipe retained transfusion device, comprise perforator 1, connection tube 2 and aft-end assembly, aft-end assembly by liquid medicine filter 3, infusion tube 4, fluid flow regulator 5, dropping funnel 6, bottle end connection tube 7, wear bottle device 8 and deaerator 9 forms.Perforator is a kind of sleeve puncture outfit, comprises flexible pipe 13, flexible tube base 15, sealing member 14, puncture needle tubing 11, needle stand 12 and operating grip 17.Flexible tube base 15 is a kind of Cylinder shape constructional elements, its forward lumen is little duct 154, rear portion inner chamber is macropore 155, excessive by taper between size two duct, flexible pipe 13 rear end is plugged in this little duct 154, also comprise a kind of wedging part 16, wedging part 16 is a kind of front and back end opening and axially runs through the conical flask shape of subdivision groove, the anterior straight tube of wedging part 16 mates also clamping between this little duct 154 and flexible pipe 13 with this little duct 154, wedging part 16 rear portion cone cylinder then excessively mates with the taper of flexible tube base 15 inner chamber, this wedging part 16 of sinciput is by flexible pipe 13 and flexible tube base 15 tight fit connection, wedging part 16 or medical stainless steel or medical plastic are made, sealing member 14 is positioned at the rear that wedging part 16 bores cylinder.Have two sliding trays 151 and be symmetrically distributed in flexible tube base 15 both sides, and have two operating grips 17 respectively correspondence to run through sliding tray 151 all affixed with needle stand 15.Operating grip 17 pinches ear in one, pinches ear and form one pair and pinch ear operating grip for common affixed with needle stand 15 two.Also comprise a kind of deposited wing 18, it is fixed on flexible tube base 15.
It is identical with embodiment one that the present embodiment does not state part.
Claims (11)
1. bobbin general formula flexible pipe retained transfusion device, comprise perforator, connection tube and aft-end assembly, it is characterized in that, perforator is a kind of sleeve puncture outfit, comprise flexible pipe, flexible tube base, sealing member, puncture needle tubing, needle stand and operating grip, flexible pipe and flexible tube base affixed, sealing member is placed in flexible tube base inner chamber, puncture needle tubing through after sealing member containing being enclosed within hose core, needle point exposes flexible pipe leading section, puncture needle tubing is communicated with grafting with needle stand front portion, needle stand rear end is connected with connection tube, connection tube is connected with the assembly of transfusion device aft-end assembly, flexible tube base is a kind of Cylinder shape constructional element, needle stand slides in its inner chamber, flexible tube base sidepiece is extended with a kind of sliding tray vertically, operating grip cross this sliding tray and needle stand affixed and form slide assemblies, can slide along this sliding tray in operating grip correspondence portion, there is between slide assemblies and flexible tube base a kind of stopping device, when the slide assemblies slided backward is by this stopping device retaining, before needle tip is still positioned at sealing member, hose core, puncture needle tube core and connection tube tube core composition infusion channel, this stopping device is a kind of retrogressing obstacle being positioned at sliding tray tail end.
2. bobbin according to claim 1 general formula flexible pipe retained transfusion device, is characterized in that, have two sliding trays and be symmetrically distributed in flexible tube base both sides, and have two operating grips respectively correspondence to run through sliding tray all affixed with needle stand.
3. bobbin according to claim 2 general formula flexible pipe retained transfusion device, it is characterized in that, operating grip is that one pinches ear, pinches ear and form one pair and pinch ear operating grip for common affixed with needle stand two.
4. bobbin according to claim 2 general formula flexible pipe retained transfusion device, is characterized in that, described retrogressing obstacle or a kind of prominent convex stuck point at sliding tray tail end, or sliding tray tail end is closed.
5. bobbin according to claim 1 general formula flexible pipe retained transfusion device, it is characterized in that, also include a kind of non-return device, this non-return device is arranged between slide unit and flexible tube base, if retreat the slide unit that puts in place reverse before push away non-return device therewith stoped contact.
6. bobbin according to claim 5 general formula flexible pipe retained transfusion device, it is characterized in that, this non-return device is made up of convex clamping point and pit, this convex clamping point and pit Corresponding matching are arranged on slide assemblies and flexible tube base, during retrogressing, slide assemblies is trapped in pit by elastic deformation this convex clamping point after this convex clamping point of ascending by force, thus pushes away before stoping puncture needle tubing.
7. bobbin according to claim 5 general formula flexible pipe retained transfusion device, it is characterized in that, this non-return device is made up of Elastic buckle and dogging shoulder, Elastic buckle is positioned on syringe, dogging shoulder is positioned on slide unit, get over during retrogressing this Elastic buckle and back to position its dogging shoulder of slide unit just with Elastic buckle clamping, thus to push away before stoping the needle tubing that punctures.
8. bobbin according to claim 7 general formula flexible pipe retained transfusion device, it is characterized in that, this Elastic buckle is made up of the buckle on elastic suspended tongue and outstanding tongue top, empty near the interval parallel with sliding tray, flexible tube base sliding tray tail end edge and allow this empty and even wear at sliding tray tail end and sliding tray " U " shape, namely these " U " shape central authorities form an elastic suspended tongue, buckle is arranged in this elastic suspended tongue top and dashes forward convex in sliding tray, in a kind of oblique or arc being convenient to ascend on front side of bayonet socket, the cusp configuration ascended in a kind of prevention on rear side of bayonet socket or vertically shape.
9. bobbin according to claim 7 general formula flexible pipe retained transfusion device, it is characterized in that, this dogging shoulder is positioned on operating grip, its concrete shape or a kind of pit, or the front side shoulder of operating grip.
10. bobbin according to claim 1 general formula flexible pipe retained transfusion device, it is characterized in that, flexible tube base is a kind of Cylinder shape constructional element, its forward lumen is little duct, rear portion inner chamber is macropore, excessive by taper between size two duct, flexible pipe rear end is plugged in this little duct, also comprise a kind of wedging part, wedging part is a kind of front and back end opening and axially runs through the conical flask shape of subdivision groove, the anterior straight tube of wedging part mates also clamping between this little duct and flexible pipe with this little duct, wedging part rear portion cone cylinder then excessively mates with the taper of flexible tube base inner chamber, this wedging part of sinciput is by flexible pipe and flexible tube base tight fit connection, wedging part or medical stainless steel or medical plastic are made, sealing member is positioned at the rear of wedging part cone cylinder.
11. bobbins according to claim 1 general formula flexible pipe retained transfusion device, is characterized in that, also comprises a kind ofly applying the wing, and it is fixed on flexible tube base.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2012/082356 WO2014047889A1 (en) | 2012-09-28 | 2012-09-28 | Soft tube detaining infusion apparatus with combined and connected tube-needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103857424A CN103857424A (en) | 2014-06-11 |
| CN103857424B true CN103857424B (en) | 2016-04-06 |
Family
ID=50386861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280041750.2A Expired - Fee Related CN103857424B (en) | 2012-09-28 | 2012-09-28 | Bobbin general formula flexible pipe retained transfusion device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103857424B (en) |
| WO (1) | WO2014047889A1 (en) |
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| CN202909183U (en) * | 2012-09-28 | 2013-05-01 | 张建铭 | Hose and needle combined hose-remained infusion apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2001231857A (en) * | 2000-02-21 | 2001-08-28 | Mitsubishi Pencil Co Ltd | Indwelling needle with inner needle storage mechanism |
| EP2203139A4 (en) * | 2007-10-12 | 2010-12-01 | Medical Res Products B Inc | Medical apparatus and method for facilitating the management of long term tunneled conduits |
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2012
- 2012-09-28 CN CN201280041750.2A patent/CN103857424B/en not_active Expired - Fee Related
- 2012-09-28 WO PCT/CN2012/082356 patent/WO2014047889A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1569268A (en) * | 2003-07-11 | 2005-01-26 | 上海康德莱企业发展集团有限公司 | Safety indwelled needle with wings for venous transfusion |
| CN200994983Y (en) * | 2006-12-30 | 2007-12-26 | 美昕医疗器械（上海）有限公司 | Safety vein indwelling needle |
| CN201067555Y (en) * | 2007-06-07 | 2008-06-04 | Amsino医疗集团控股有限公司 | Safe type venous retaining needle |
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| CN102389604A (en) * | 2011-07-19 | 2012-03-28 | 山东济海医疗科技股份有限公司 | Sealing rubber plug used with remaining needle |
| CN202909183U (en) * | 2012-09-28 | 2013-05-01 | 张建铭 | Hose and needle combined hose-remained infusion apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014047889A1 (en) | 2014-04-03 |
| CN103857424A (en) | 2014-06-11 |
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