CN103622831B - Nasogastric tube feeds quantitative infusion device - Google Patents
Nasogastric tube feeds quantitative infusion device Download PDFInfo
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- CN103622831B CN103622831B CN201310554605.0A CN201310554605A CN103622831B CN 103622831 B CN103622831 B CN 103622831B CN 201310554605 A CN201310554605 A CN 201310554605A CN 103622831 B CN103622831 B CN 103622831B
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- quantitative
- infusion device
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- push rod
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Abstract
Nasogastric tube feeds quantitative infusion device, comprise a syringe with piston rod, and infusion device, syringe is placed in the holddown groove of infusion device, the push rod of infusion device is provided with quantitative control device, the handle of infusion device is provided with towards the one side of trigger the quantitative adjusting device be made up of " L " shape positive stop hook and gag lever post, or the quantitative adjusting device be made up of wedge block and threaded rod, nut.Above-mentioned push rod is increased scale, and the structure after can being simplified after cancelling quantitative adjusting device.Structure of the present invention is simple, easy to use, achieves quantitative infusion, and the special enterogastric tube adapting to house or self-control homogenate is fed, and both can play filtration, and avoid plugging, pollution of can reducing the link again, avoids the chance increasing intestinal infection; End takes handle-type to be connected with outer tube, and when avoiding operation, interface departs from, clean, economy is convenient again.
Description
Technical field
The present invention relates to a kind of medical auxiliary apparatus, be specifically related to a kind of nasogastric tube and feed quantitative infusion device.
Background technology
Nasogastric tube is fed in wide clinical application, slowly instills by Nasal-feeding pump or nasogastric tube.Nasal-feeding pump can be selected in hospital, but for the patient that house is fed through enterogastric tube, purchase specially, expense is too high; And the instillation of enteral nutrition pump line, for bottled or packed finished product nutritional preparation still can, but self-control liquid food is maybe needed to dissolve the nutritional preparation of powder, owing to mixing uneven or granule is larger, easy blocking enteral nutrition pump line, need use syringe to give enterogastric tube and inject.
The syringe used clinically is at present the syringe carrying out Pharmacy intravenous admixture, 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 complicated operation like this, flow process is loaded down with trivial details, and add the chance of pollution, easily cause gastrointestinal infection; Pintle is plug-type, can require great effort very much for the operation of injection volume more than 100 milliliters, and interface end lacks fixture and easily departs from, and brings inconvenience to operation.Therefore need badly a kind of easy to operate and can carry out fixing quantity enterogastric tube feed infusion device.
Summary of the invention
The object of the invention 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 feeds quantitative infusion device, comprise a syringe with piston rod, and infusion device, described infusion device is with the holddown groove of half column type, the push rod of front end band push jack is provided with in this holddown groove, and the end of holddown groove is provided with the handle of band 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 one and is nested with the circular ring body 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 wherein side edge of handle towards trigger one side, and the gag lever post between handle and trigger, this gag lever post one end is movably connected in handle inside, and gag lever post rides over by rotating on described " L " shape positive stop hook.
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.
Check valve is provided with in above-mentioned charge door.
The joint at said syringe top is pyramidal structure, and this pyramidal structure lateral surface is radially provided with the anticreep projection of multiple annular.
The capacity of said syringe is set to 100 milliliters.
Above-mentioned infusion device is also provided with the anti-dropping device of the arc slided along holddown groove.
Above-mentioned anti-dropping device is also provided with tether.
Or the quantitative adjusting device between above-mentioned handle and trigger is replaced with following structure, this quantitative adjusting device comprise be arranged on handle towards trigger one side wedge block, and of being arranged on bottom handle 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 in the one side of handle towards trigger.
Be provided with scale at the lateral surface of above-mentioned handle, and this scale is parallel with described threaded rod.
After said structure is simplified, obtain following scheme:
A kind of nasogastric tube feeds quantitative infusion device, comprise a syringe with piston rod, and infusion device, described infusion device comprises the holddown groove of half column type, the push rod of front end band push jack is provided with in this holddown groove, and the end of holddown groove is provided with the handle of band 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 one and is nested with the circular ring body on push rod, and the side of this circular ring body is provided with fastening bolt, and push rod is provided with scale.
Structure of the present invention is simple, easy to use, achieves quantitative infusion, and the special enterogastric tube adapting to house or self-control homogenate is fed, and both can play filtration, and avoid plugging, pollution of can reducing the link again, avoids the chance increasing intestinal infection; End takes handle-type to be connected with outer tube, and when avoiding operation, interface departs from, clean, economy is convenient 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 invention.
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.
Detailed description of the invention
As shown in figs. 1 to 6, nasogastric tube of the present invention feeds 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, the push rod 6 of front end band push jack 5 is provided with in this holddown groove 4, 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 and utilizes spring to carry 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 one and is nested with the circular ring body 9 on push rod 6, for sliding 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 above-mentioned position, the effect stopping that push rod 6 moves forward can be played, described handle 8 is also provided with quantitative adjusting device towards the one side of trigger 7, it is open designs that this quantitative adjusting device make use of handle 8 in existing infusion device 3 towards the one side of trigger 7, its structure be included in handle 8 towards trigger 7 one side wherein side edge multiple " L " shape location hook 11 is set, and the gag lever post 12 between handle 8 and trigger 7, it is inner that this gag lever post 12 one end is movably connected in handle 8, and universal joint can be adopted to connect, by rotating, gag lever post 12 is ridden over different " L " shape location hooks 11 during use, the fastening of gag lever post 12 pairs of triggers 7 is utilized to stop, injection rate is made to be less than maximum injection rate, thus adjustment bolus injection amount, because trigger 7 has reset function, fastening trigger 7 continuously can inject identical amount continuously, using the number of " L " shape location hook 11 as gear number, during making, can also be not difficult to draw by experiment the position that trigger 7 corresponding to various different injection rate fastens, 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 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, during use as shown in Figure 7, first by upper lower rotary shaft 17 by gear needed for gag lever post 12, then by left and right rotating shaft 18, gag lever post 12 upset is ridden on this " L " shape location hook 11.
Above-mentioned push rod 6 is provided with scale, the length that push rod 6 advances can be converted into the volume of injection, the effect adjusting total injection rate can be played, no matter above-mentioned gag lever post 12 at which shelves is, when push rod 7 moves to the scale that quantitative control device limits, total injection rate will be the capacity corresponding to 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, thus is convenient to feed in raw material to syringe 1.
Be provided with check valve in above-mentioned charge door 3, make when being unlikely to inject 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 annular.By after pipe is extracted into charge door in syringe during use, the homogenate made 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 enterogastric tube, can use.
The capacity of said syringe 1 is set to 100 milliliters.
As shown in Fig. 1,2,4, above-mentioned infusion device 3 is also provided with the anti-dropping device 15 of the arc slided along holddown groove 4, after syringe 1 is loaded holddown groove 4, this anti-dropping device is slid into the top of syringe 1, play the effect preventing syringe from coming off.Above-mentioned anti-dropping device 15 is also provided with tether 16, for being the parts such as mounting head cap.
Or the quantitative adjusting device between above-mentioned handle 8 and trigger 7 is replaced with following structure, thus obtains second embodiment of the present invention.
As shown in Figure 8, this quantitative adjusting device comprise be arranged on handle 8 towards trigger 7 one side wedge block 19, and of being arranged on bottom handle 8 is installed with the nut 21 of threaded rod 20, and described threaded rod 20 one end is connected to the bottom of described wedge block 19, by rotating threaded rod 20, wedge block 19 is slided in the one side of handle 8 towards trigger 7, the amplitude that trigger 7 fastens can be controlled when slide block slides to diverse location, thus adjustment bolus injection amount, because trigger 7 has reset function, fastening trigger 7 continuously can inject identical amount continuously.
Scale is provided with at the lateral surface of above-mentioned handle, and this scale is parallel with described threaded rod 20, because threaded rod has continuous propelling, therefore can be implemented in the continuous setup between " 0 ~ maximum single injection rate ", play fine setting effect truly.Adjust total injection rate by quantitative control device, adjust bolus injection amount by quantitative adjusting device.
Its benefit is also the syringe that can adapt to different capabilities, different-diameter, can be calculated the position on the handle scale of required bolus injection amount by the continuous print scale value on handle 8; Position on the push rod scale that also can calculate once corresponding to total injection rate by the continuous print scale value on push rod 6.
In fact, after said structure is simplified, obtain the embodiment of the 3rd shown in following scheme:
A kind of nasogastric tube feeds 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, the push rod 6 of front end band push jack 5 is provided with in this holddown groove 4, 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 one and is nested with the circular ring body 9 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.
Namely the position on can calculating corresponding to bolus injection amount push rod scale by the continuous print scale value on push rod 6, then unclamps circular ring body 9 to next position, so repeatedly until total injection rate needed for injecting.
Claims (7)
1. nasogastric tube feeds quantitative infusion device, comprise a syringe with piston rod (2) (1), with infusion device (3), described infusion device (3) is with the holddown groove (4) of half column type, the push rod (6) of front end band push jack (5) is provided with in this holddown groove (4), 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 one and is nested with the circular ring body (9) 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 handle (8) " L " shape positive stop hook (11) of wherein side edge towards trigger (7) one side, and the gag lever post (12) be positioned between handle (8) and trigger (7), it is inner that this gag lever post (12) one end is movably connected in handle (8), and gag lever post (12) rides on described " L " shape positive stop hook (11) by rotating,
Above-mentioned push rod (6) is provided with scale;
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 annular.
2. nasogastric tube as claimed in claim 1 feeds 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.
3. nasogastric tube as claimed in claim 2 feeds quantitative infusion device, it is characterized in that being provided with check valve in above-mentioned charge door (13).
4. nasogastric tube as claimed in claim 1 feeds quantitative infusion device, it is characterized in that the anti-dropping device (15) above-mentioned infusion device (3) being also provided with the arc slided along holddown groove (4).
5. nasogastric tube as claimed in claim 4 feeds quantitative infusion device, it is characterized in that above-mentioned anti-dropping device (15) is also provided with tether (16).
6. nasogastric tube as claimed in claim 1 feeds quantitative infusion device, the quantitative adjusting device between above-mentioned handle (8) and trigger (7) is it is characterized in that to replace with following structure, this quantitative adjusting device comprise be arranged on handle (8) towards trigger (7) one side wedge block (19), and of being arranged on bottom handle (8) is installed with the nut (21) of threaded rod (20), and described threaded rod (20) one end is connected to the bottom of described wedge block (19), by rotating threaded rod (20), wedge block (19) is slided in the one side of handle (8) towards trigger (7).
7. nasogastric tube as claimed in claim 6 feeds quantitative infusion device, it is characterized in that being provided with scale at the lateral surface of above-mentioned handle, and this scale is parallel with described threaded rod (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310554605.0A CN103622831B (en) | 2013-11-10 | 2013-11-10 | Nasogastric tube feeds quantitative infusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310554605.0A CN103622831B (en) | 2013-11-10 | 2013-11-10 | Nasogastric tube feeds quantitative infusion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103622831A CN103622831A (en) | 2014-03-12 |
| CN103622831B true CN103622831B (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310554605.0A Expired - Fee Related CN103622831B (en) | 2013-11-10 | 2013-11-10 | Nasogastric tube feeds quantitative infusion device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104546502B (en) * | 2015-01-26 | 2017-09-12 | 深圳大学附属医院 | A kind of automatic feeding system of infant and its implementation |
| CN107737390A (en) * | 2017-11-29 | 2018-02-27 | 林融纲 | A kind of fat injection rifle |
| CN108969378B (en) * | 2018-04-17 | 2020-09-01 | 河南科技大学第一附属医院 | A feeding device is used in nursing for intensive care unit |
| CN109480836B (en) * | 2019-01-11 | 2021-10-26 | 苏州大学附属儿童医院 | Wearing equipment for electroencephalogram monitoring |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5147292A (en) * | 1991-02-05 | 1992-09-15 | C. R. Bard, Inc. | Control handle with locking means for surgical irrigation |
| CN202191500U (en) * | 2011-07-21 | 2012-04-18 | 黄波 | Novel fluid assistor |
| CN202699641U (en) * | 2012-08-08 | 2013-01-30 | 苑龙条 | Nasal feeding device |
| CN203154340U (en) * | 2013-03-26 | 2013-08-28 | 段晓光 | Nutrition feeding device |
| CN103315914A (en) * | 2013-06-26 | 2013-09-25 | 黄波 | Electric fluid injection aid |
| CN203598246U (en) * | 2013-11-10 | 2014-05-21 | 青岛大学医学院附属医院 | Nasogastric tube quantitative-feeding infusion device |
-
2013
- 2013-11-10 CN CN201310554605.0A patent/CN103622831B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5147292A (en) * | 1991-02-05 | 1992-09-15 | C. R. Bard, Inc. | Control handle with locking means for surgical irrigation |
| CN202191500U (en) * | 2011-07-21 | 2012-04-18 | 黄波 | Novel fluid assistor |
| CN202699641U (en) * | 2012-08-08 | 2013-01-30 | 苑龙条 | Nasal feeding device |
| CN203154340U (en) * | 2013-03-26 | 2013-08-28 | 段晓光 | Nutrition feeding device |
| CN103315914A (en) * | 2013-06-26 | 2013-09-25 | 黄波 | Electric fluid injection aid |
| CN203598246U (en) * | 2013-11-10 | 2014-05-21 | 青岛大学医学院附属医院 | Nasogastric tube quantitative-feeding infusion device |
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| CN103622831A (en) | 2014-03-12 |
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Address after: 266003 Shandong city of Qingdao province Jiangsu City Road No. 16 Applicant after: Affiliated Hospital of University Of Qingdao Address before: 266003 Shandong city of Qingdao province Jiangsu City Road No. 16 Applicant before: Hospital Attached to Medical College, Qingdao Univ. |
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Granted publication date: 20160302 Termination date: 20161110 |