CN203598246U - Nasogastric tube quantitative-feeding infusion device - Google Patents
Nasogastric tube quantitative-feeding infusion device Download PDFInfo
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- CN203598246U CN203598246U CN201320706222.6U CN201320706222U CN203598246U CN 203598246 U CN203598246 U CN 203598246U CN 201320706222 U CN201320706222 U CN 201320706222U CN 203598246 U CN203598246 U CN 203598246U
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- infusion device
- quantitative
- push rod
- trigger
- nasogastric tube
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Abstract
A nasogastric tube quantitative-feeding infusion device comprises an injector with a piston rod and an infusion device, wherein the injector is placed in a fixing groove of the infusion device, a quantitative control device is arranged on a push rod of the infusion device, one side of a handle of the infusion device facing a trigger is provided with a quantitative adjusting device consisting of an L-shaped limiting hook and a limiting rod, or a quantitative adjusting device consisting of a wedge-shaped slide block, a threaded rod and a nut. Scales are added on the push rod, and a simplified structure can be obtained by dismounting the quantitative adjusting device. The nasogastric tube quantitative-feeding infusion device is simple in structure and convenient to use, achieves quantitative infusion, is especially suitable for family life or gastrointestinal feeding of homemade homogenate, can play a filtering role, avoid tube blockage, reduce link pollution and avoid the intestinal infection possibility. The tail end is connected with an outer pipe through a handle, interface separation is avoided during operation, and the nasogastric tube quantitative-feeding infusion device is clean, economical and convenient.
Description
Technical field
This utility model relates to a kind of medical auxiliary apparatus, is specifically related to a kind of nasogastric tube and feeds quantitative infusion device.
Background technology
Nasogastric tube is fed in wide clinical application, can slowly splash into by Nasal-feeding pump or nasogastric tube.Nasal-feeding pump can be selected in hospital, but for the patient who feeds through enterogastric tube at home, purchases specially, and expense is too high; And enteral nutrition pump line splashes into, for bottled or packed finished product nutritional preparation still can, but maybe need to dissolve the nutritional preparation of powder for self-control liquid food, owing to mixing inhomogeneous or granule is larger, easily stop up enteral nutrition pump line, need to use syringe to give enterogastric tube and inject.
The syringe using clinically is at present the syringe that carries out intravenous pharmacy configuration use, because this syringe does not have defecator, medical personnel or family members all can take to filter with gauze or thin strainer to self-control homogenate, cause like this complicated operation, flow process is loaded down with trivial details, and increased the chance of polluting, easily cause gastrointestinal infection; Pintle is plug-type, and the operation meeting for injection volume more than 100 milliliters is required great effort very much, and interface end lacks fixture and easily departs from, and brings inconvenience to operation.Therefore need a kind of enterogastric tube easy to operate and that can carry out quantitatively controlling badly and feed infusion device.
Summary of the invention
This utility model object is to provide a kind of nasogastric tube and feeds quantitative infusion device, to make up existing the deficiencies in the prior art.
A kind of nasogastric tube is fed quantitative infusion device, comprise a syringe with piston rod, and infusion device, described infusion device is with the holddown groove of half column type, in this holddown groove, be provided with the push rod of front end band push jack, and the end of holddown groove is provided with the handle with trigger, described push rod travels forward by fastening trigger, and trigger can automatically reset after fastening, it is characterized in that described syringe is placed in the holddown groove of infusion device, and described push rod is provided with quantitative control device, described quantitative control device comprises a circular ring body being nested with on push rod, and the side of this circular ring body is provided with fastening bolt, described handle is provided with quantitative adjusting device towards the one side of trigger, this quantitative adjusting device comprises and is arranged on " L " shape positive stop hook of handle towards a wherein lateral edges place of trigger one side, and gag lever post between handle and trigger, this gag lever post one end is movably connected in handle inside, and gag lever post rides on described " L " shape positive stop hook by rotating.
Above-mentioned push rod is provided with scale.
The side of said syringe front end is provided with funnelform charge door, and the top of charge door is provided with the material lid of pressing pop-up type.
In above-mentioned charge door, be provided with check valve.
The joint at said syringe top is pyramidal structure, and this pyramidal structure lateral surface is radially provided with the anticreep projection of multiple annulars.
The capacity of said syringe is made as 100 milliliters.
On above-mentioned infusion device, be also provided with the anti-dropping device of the arc sliding along holddown groove.
On above-mentioned anti-dropping device, be also provided with tether.
Or the quantitative adjusting device between above-mentioned handle and trigger is replaced with following structure, this quantitative adjusting device comprises and is arranged on the wedge block of handle towards trigger one side, and of being arranged on handle bottom is installed with the nut of threaded rod, and described threaded rod one end is connected to the bottom of described wedge block, by rotating threaded rod, wedge block is slided towards the one side of trigger at handle.
Lateral surface at above-mentioned handle is provided with scale, and this scale is parallel with described threaded rod.
After said structure is simplified, obtain following scheme:
A kind of nasogastric tube is fed quantitative infusion device, comprise a syringe with piston rod, and infusion device, described infusion device comprises the holddown groove of half column type, in this holddown groove, be provided with the push rod of front end band push jack, and the end of holddown groove is provided with the handle with trigger, described push rod travels forward by fastening trigger, and trigger has auto-reset function after fastening, it is characterized in that described syringe is placed in the holddown groove of infusion device, and described push rod is provided with quantitative control device, described quantitative control device comprises a circular ring body being nested with on push rod, and the side of this circular ring body is provided with fastening bolt, and push rod is provided with scale.
This utility model is simple in structure, easy to use, has realized quantitative infusion, special adapt at home or the enterogastric tube of self-control homogenate is fed, both can play filtration, and avoid plugging, the pollution of can reducing the link again, avoids increasing the chance of intestinal infection; End takes handle-type to be connected with outer tube, and while avoiding operating, interface departs from, clean, economy facility again.
Accompanying drawing explanation
Fig. 1 is the population structure schematic diagram of invention.
Fig. 2 is the perspective view of invention.
Fig. 3 is the perspective view of the syringe of invention.
Fig. 4 is the side view of the infusion device of invention.
Fig. 5 is the structural representation of the gag lever post of invention.
Fig. 6 is the structural representation of " L " shape positive stop hook of invention.
Fig. 7 is " L " shape positive stop hook of invention and the fit structure schematic diagram of gag lever post.
Structural representation when Fig. 8 is the quantitative adjusting device employing wedge block of inventing.
Wherein, syringe 1, piston rod 2, infusion device 3, holddown groove 4, push jack 5, push rod 6, trigger 7, handle 8, circular ring body 9, fastening bolt 10, " L " shape positive stop hook 11, gag lever post 12, charge door 13, joint 14, anti-dropping device 15, tether 16, upper lower rotary shaft 17, left and right rotating shaft 18, wedge block 19, threaded rod 20, nut 21.
The specific embodiment
As shown in Fig. 1～6, nasogastric tube of the present utility model is fed quantitative infusion device, comprise a syringe 1 with piston rod 2, with infusion device 3, described infusion device 3 adopts the structure of glue rifle, comprise the holddown groove 4 of half column type, in this holddown groove 4, be provided with the push rod 6 of front end band push jack 5, and the end of holddown groove 4 is provided with the handle 8 with trigger 7, described push rod 6 travels forward by fastening trigger 7, and trigger 7 has the spring of utilization and carries out automatically reset function after fastening, described syringe 1 is placed in the holddown groove 4 of infusion device 3, and described push rod 6 is provided with quantitative control device, described quantitative control device comprises a circular ring body 9 being nested with on push rod 6, for slide into desired position on push rod 6, and the side of this circular ring body 9 is provided with fastening bolt 10, for circular ring body 9 is locked in to above-mentioned position, can play the effect that stops that push rod 6 moves forward, described handle 8 is also provided with quantitative adjusting device towards the one side of trigger 7, it is open designs towards the one side of trigger 7 that this quantitative adjusting device has utilized handle 8 in existing infusion device 3, its structure is included in handle 8, towards a wherein lateral edges place of trigger 7 one sides, multiple " L " shape location hook 11 is set, and gag lever post 12 between handle 8 and trigger 7, these gag lever post 12 one end are movably connected in handle 8 inside, can adopt universal joint to connect, when use, by rotating, gag lever post 12 is ridden over to different " L " shape location hooks 11, utilize gag lever post 12 to stop the fastening of trigger 7, make injection rate be less than maximum injection rate, thereby adjust bolus injection amount, because trigger 7 has reset function, fasten continuously trigger 7 and can inject continuously identical amount, can be using the number of " L " shape location hook 11 as gear number, when making, be also not difficult to draw by experiment various injection rate the position that fastens of corresponding trigger 7, and corresponding " L " shape location hook 11 is set on this position.
As Fig. 6,7, also above-mentioned gag lever post 12 can be designed to the structure with two right angle corner, its end is fixed in left and right rotating shaft 18, make the gag lever post 12 can left-right rotation, then left and right rotating shaft 18 is fixed on the upper lower rotary shaft 17 of handle 8 inside, when use, as shown in Figure 7, first pass through upper lower rotary shaft 17 by required gag lever post 12 gear, then by left and right rotating shaft 18, gag lever post 12 upsets are ridden on this " L " shape location hook 11.
Above-mentioned push rod 6 is provided with scale, the length that push rod 6 can be advanced is converted into the volume of injection, can play the effect of adjusting total injection rate, no matter above-mentioned gag lever post 12 at which shelves is, in the time that push rod 7 moves to the scale that quantitative control device limits, total injection rate will be the corresponding capacity of this scale.
As shown in Figures 1 to 3, the side of said syringe 1 front end is provided with funnelform charge door 13, and the top of charge door 13 is provided with the material lid of pressing pop-up type, thereby is convenient to feed in raw material to syringe 1.
In above-mentioned charge door 3, be provided with check valve, while being unlikely to inject, make to feed in raw material and overflow from charge door 13.
As shown in Figure 1, the joint 13 at said syringe 1 top is pyramidal structure, and this pyramidal structure lateral surface is radially provided with the anticreep projection of multiple annulars.After syringe inner tube being extracted into charge door when use, the homogenate of making is filtered in syringe, closes charge door, open nasogastric tube connector protection device, connect cone-shaped interface 13, under push away connector protection device, be enclosed within on enterogastric tube, can use.
The capacity of said syringe 1 is made as 100 milliliters.
As shown in Fig. 1,2,4, on above-mentioned infusion device 3, be also provided with the anti-dropping device 15 of the arc sliding along holddown groove 4, after packing syringe 1 into holddown groove 4, this anti-dropping device is slid into the top of syringe 1, play the effect that prevents that syringe from coming off.On above-mentioned anti-dropping device 15, be also provided with tether 16, for being to articulate the parts such as head cap.
Or the quantitative adjusting device between above-mentioned handle 8 and trigger 7 is replaced with following structure, thereby obtain second embodiment of the present utility model.
As shown in Figure 8, this quantitative adjusting device comprises and is arranged on the wedge block 19 of handle 8 towards trigger 7 one side, and of being arranged on handle 8 bottoms is installed with the nut 21 of threaded rod 20, and described threaded rod 20 one end are connected to the bottom of described wedge block 19, by rotating threaded rod 20, wedge block 19 is slided towards the one side of trigger 7 at handle 8, in the time that sliding to diverse location, slide block can control the amplitude that trigger 7 fastens, thereby adjust bolus injection amount, because trigger 7 has reset function, fasten continuously trigger 7 and can inject continuously identical amount.
Lateral surface at above-mentioned handle is provided with scale, and this scale is parallel with described threaded rod 20, because threaded rod has continuous propelling, therefore can realize the continuous setup between " 0～maximum single injection rate ", play fine setting effect truly.By the total injection rate of quantitative control device adjustment, adjust bolus injection amount by quantitative adjusting device.
Its benefit is also to adapt to the syringe of different capabilities, different-diameter, can calculate the position on the handle scale of required bolus injection amount by the continuous scale value on handle 8; Also can calculate once the position on total corresponding push rod scale of injection rate by the continuous scale value on push rod 6.
In fact,, after said structure is simplified, obtain the 3rd embodiment shown in following scheme:
A kind of nasogastric tube is fed quantitative infusion device, comprise a syringe 1 with piston rod 2, with infusion device 3, described infusion device 3 comprises the holddown groove 4 of half column type, in this holddown groove 4, be provided with the push rod 6 of front end band push jack 5, and the end of holddown groove 4 is provided with the handle 8 with trigger 7, described push rod 6 travels forward by fastening trigger 7, and trigger 7 has auto-reset function after fastening, it is characterized in that described syringe 1 is placed in the holddown groove 4 of infusion device 3, and described push rod 6 is provided with quantitative control device, described quantitative control device comprises a circular ring body 9 being nested with on push rod 6, and the side of this circular ring body 9 is provided with fastening bolt 10, above-mentioned push rod 6 is provided with scale.
Can calculate the position on the corresponding push rod scale of bolus injection amount by the continuous scale value on push rod 6, then unclamp circular ring body 9 to next position, so repeatedly until inject required total injection rate.
Claims (8)
1. nasogastric tube is fed quantitative infusion device, comprise a syringe with piston rod (2) (1), and infusion device (3), described infusion device (3) is with the holddown groove (4) of half column type, in this holddown groove (4), be provided with the push rod (6) of front end band push jack (5), and the end of holddown groove (4) is provided with the handle (8) of band trigger (7), described push rod (6) travels forward by fastening trigger (7), and trigger (7) can automatically reset after fastening, it is characterized in that described syringe (1) is placed in the holddown groove (4) of infusion device (3), and described push rod (6) is provided with quantitative control device, described quantitative control device comprises a circular ring body (9) being nested with on push rod (6), and the side of this circular ring body (9) is provided with fastening bolt (10), described handle (8) is provided with quantitative adjusting device towards the one side of trigger (7), this quantitative adjusting device comprises and is arranged on " L " shape positive stop hook (11) of handle (8) towards a wherein lateral edges place of trigger (7) one side, and be positioned at the gag lever post (12) between handle (8) and trigger (7), this gag lever post (12) one end is movably connected in handle (8) inside, and gag lever post (12) rides on described " L " shape positive stop hook (11) by rotating.
2. nasogastric tube as claimed in claim 1 is fed quantitative infusion device, it is characterized in that above-mentioned push rod (6) is provided with scale.
3. nasogastric tube as claimed in claim 1 is fed quantitative infusion device, it is characterized in that the side of said syringe (1) front end is provided with funnelform charge door (13), and the top of charge door (13) is provided with the material lid of pressing pop-up type.
4. nasogastric tube as claimed in claim 3 is fed quantitative infusion device, it is characterized in that being provided with check valve in above-mentioned charge door (13).
5. nasogastric tube as claimed in claim 1 is fed quantitative infusion device, it is characterized in that the joint (14) at said syringe (1) top is pyramidal structure, and this pyramidal structure lateral surface is radially provided with the anticreep projection of multiple annulars.
6. nasogastric tube as claimed in claim 1 is fed quantitative infusion device, it is characterized in that being also provided with on above-mentioned infusion device (3) anti-dropping device (15) of the arc sliding along holddown groove (4).
7. nasogastric tube as claimed in claim 6 is fed quantitative infusion device, it is characterized in that being also provided with on above-mentioned anti-dropping device (15) tether (16).
8. a nasogastric tube is fed quantitative infusion device, comprise a syringe with piston rod (2) (1), and infusion device (3), described infusion device (3) comprises the holddown groove (4) of half column type, in this holddown groove (4), be provided with the push rod (6) of front end band push jack (5), and the end of holddown groove (4) is provided with the handle (8) of band trigger (7), described push rod (6) travels forward by fastening trigger (7), and trigger (7) has auto-reset function after fastening, it is characterized in that described syringe (1) is placed in the holddown groove (4) of infusion device (3), and described push rod (6) is provided with quantitative control device, described quantitative control device comprises a circular ring body (9) being nested with on push rod (6), and the side of this circular ring body (9) is provided with fastening bolt (10), and push rod (6) is provided with scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320706222.6U CN203598246U (en) | 2013-11-10 | 2013-11-10 | Nasogastric tube quantitative-feeding infusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320706222.6U CN203598246U (en) | 2013-11-10 | 2013-11-10 | Nasogastric tube quantitative-feeding infusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203598246U true CN203598246U (en) | 2014-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320706222.6U Expired - Fee Related CN203598246U (en) | 2013-11-10 | 2013-11-10 | Nasogastric tube quantitative-feeding infusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203598246U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103622831A (en) * | 2013-11-10 | 2014-03-12 | 青岛大学医学院附属医院 | Fixed-quantity infusion device for nasogastric tube feeding |
| CN104386327A (en) * | 2014-07-27 | 2015-03-04 | 王才丰 | Viscous material injection device |
-
2013
- 2013-11-10 CN CN201320706222.6U patent/CN203598246U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103622831A (en) * | 2013-11-10 | 2014-03-12 | 青岛大学医学院附属医院 | Fixed-quantity infusion device for nasogastric tube feeding |
| CN103622831B (en) * | 2013-11-10 | 2016-03-02 | 青岛大学附属医院 | Nasogastric tube feeds quantitative infusion device |
| CN104386327A (en) * | 2014-07-27 | 2015-03-04 | 王才丰 | Viscous material injection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140521 Termination date: 20141110 |
|
| EXPY | Termination of patent right or utility model |