CN204446646U - Duodenal feeding tube and adjustable video lead core - Google Patents
Duodenal feeding tube and adjustable video lead core Download PDFInfo
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- CN204446646U CN204446646U CN201520044408.9U CN201520044408U CN204446646U CN 204446646 U CN204446646 U CN 204446646U CN 201520044408 U CN201520044408 U CN 201520044408U CN 204446646 U CN204446646 U CN 204446646U
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Abstract
This utility model relates to a kind of duodenal feeding tube and adjustable video leads core, belongs to the technical field of medical apparatus and instruments.According to the technical scheme that this utility model provides, described duodenal feeding tube and adjustable video are led core and are comprised adjustable video and lead core and duodenal feeding tube; Described duodenal feeding tube tail end arranges the connector be communicated with main chamber, for bath and inflation; Described adjustable video is led core tail end and is arranged temporary locking interface, for locking and be sealedly connected on adjustable video by being nested with and lead core leading the duodenal feeding tube on core; Described adjustable video is led core tail end and is also arranged the curvature governor motion that can regulate video guide core head end curvature.This utility model can be implemented gas and be filled with and liquid wash when duodenal feeding tube is inserted, duodenal feeding tube is inserted and operates visual and can regulate direction of advance, structure is simple, easy to operate, safe and reliable.
Description
Technical field
This utility model relates to the duodenal feeding tube that core led by a kind of band, and especially a kind of duodenal feeding tube and adjustable video lead core, belong to the technical field of medical apparatus and instruments.
Background technology
When gastrointestinal and operation on intestine complete, need per nasal to insert duodenal feeding tube, placed-depth need reach bottom through surgical stapling mouth.Postoperative for digestive tract input nutritional solution, or normal saline instillation stimulation intestinal peristalsis promoting promotion rehabilitation in a small amount, or in some cases stoma site is rinsed.
In open surgery, surgical doctor can directly assist duodenal feeding tube insert and pass through anastomotic stoma by touching intestinal tube at intraperitoneal.In laparoscopic surgery, because surgical doctor cannot touch intestinal tube, duodenal feeding tube inserts stomach, and to enter intestinal tube difficulty very big; After implantation, the whether also comparatively difficulty through location that anastomotic stoma enters lower end to nutritive canal head end.
The reason of above operating difficulties is: nutritive canal is at digestive tract inner chamber, and just digestive tract outer wall construction seen by peritoneoscope, cannot accurately judge nutritive canal head-end location; Current duodenal feeding tube head end curvature cannot regulate and control, even if can see stomach structure under peritoneoscope, is also difficult to the direction controlling to put tube head end; Whether peritoneoscope cannot accurately locate via anastomotic stoma nutritive canal, can only by lazy tongs clamp feel judgement gently.
In operation, surgical doctor still assists duodenal feeding tube to insert digestive tract by direct or indirect mode, and it is then more difficult for needing when No operation to insert duodenal feeding tube.Usual way uses gastroscope to assist clamp duodenal feeding tube head end slowly to insert, and shortcoming is: 1) need to insert duodenal feeding tube and thicker gastroscope through oropharynx digestive tract, patient very feels bad simultaneously; 2) the assistance operation of gastroscope to duodenal feeding tube has been assisted by the handling tongs in operating gastroscope hole, and operation easier is larger; 3) when gastroscope and duodenal feeding tube conbined usage, require tract diameter be at least both diameters and, add working place, tract internal diameter can be operated comparatively large, cannot clinical demand be met; 4) need the tract being exclusively used in inflation, rinsing and attract when digestive endoscopy puts pipe, take originally narrow working place.
Summary of the invention
The purpose of this utility model overcomes the deficiencies in the prior art, a kind of duodenal feeding tube and adjustable video is provided to lead core, it is simple and compact for structure, easy to use, the video guide core help duodenal feeding tube that clinicist can be helped to be regulated by head end bendable curvature is in all cases inserted and is reached thinner suitable intracavity position; The gap utilizing adjustable video to lead core and duodenal feeding tube carries out inflating, rinse and attracting; And accurately easily insert suitable location by head-end video, improve location efficiency and accuracy, reduce and put pipe damage.
Described a kind of duodenal feeding tube and adjustable video lead core, comprise adjustable video and lead core and duodenal feeding tube.Described adjustable video is led core video output terminals and is arranged temporary locking interface, for locking and be sealedly connected on adjustable video lead core by being nested with the duodenal feeding tube of leading on core at adjustable video; Described adjustable video leads the curvature governor motion that the setting of core video output terminals regulates for curvature adjustable video being led to core video absorption end.
Described adjustable video is led core and is arranged for taking in the light source of end illumination and the power supply for light source power supply for video.
Described duodenal feeding tube tail end setting is communicated with the connecting interface for washing by water, inflating and attract with duodenal feeding tube tube chamber.
Described adjustable video is led core video output terminals and is arranged the display screen taking in end video image in order to display video, and described display screen is electrically connected or wireless connections with video output terminals is wired.
Described curvature governor motion comprise be arranged on adjustable video lead in-core curvature adjustable pipe, be embedded in curvature in curvature adjustable pipe and regulate rope and lead core with adjustable video and be flexibly connected the curvature adjusting knob regulating rope for tractive curvature; Described curvature adjusting knob is led core by adjusting knob fixed axis and adjustable video and is flexibly connected, and curvature adjusting knob can rotate by point centered by adjusting knob fixed axis; Described curvature adjustable pipe is led core video absorption end 2 length at adjustable video and is arranged the inclined side opening of some adjustable pipes at the section of 2cm-5cm, leads core video output terminals arrange the outlet of adjustment rope at adjustable video; Described curvature regulates rope along the distribution of curvature adjustable pipe inner chamber, leads core video output terminals be fixedly connected with adjustable video, leads core video frequency output bring out and regulate rope outlet to be fixedly connected with curvature adjusting knob at adjustable video; Described curvature regulates rope external diameter little compared with curvature adjustable pipe internal diameter, and described curvature regulates Suo Changdu to mate with curvature adjustable pipe; Curvature can be affected when regulating curvature adjusting knob movable to regulate rope to move by regulating rope to export to lead outside core to adjustable video along curvature adjustable pipe major axis, and affect the adjustable video between the inclined side opening of adjustable pipe to lead chip bending.
Described temporary locking interface is fixedly connected on adjustable video and leads core video output terminals, and lock port mates with duodenal feeding tube caudal end egress and is connected; Described temporary locking interface arranges temporary locking mechanism, duodenal feeding tube caudal end egress temporary locking can be connected to described adjustable video and lead on core; During temporary locking, duodenal feeding tube caudal end egress and adjustable video are led core and are tightly connected.
Described connecting interface arranges four-way pipe, and described four-way pipe one end is that single tube mates with connecting interface and is communicated with; The described four-way pipe other end is set to three the branch's blank pipe interfaces be communicated with, and three branch's blank pipe interfaces of tee joint are arranged gauge tap respectively and are communicated with connecting interface by single tube.
It is little compared with duodenal feeding tube internal diameter that described adjustable video leads core external diameter, and described adjustable video leads core length, and comparatively duodenal feeding tube is long.Duodenal feeding tube locks and is sealedly connected on adjustable video when leading on core by described temporary locking interface, and duodenal feeding tube inwall and adjustable video lead the tract for washing by water, inflating and attract being formed between core and be opened on duodenal feeding tube head end.
Described adjustable video is led core and is comprised photographic head and lead core and fibre bronchus mirror leads core.
When described display screen and video output terminals wireless connections, described video output terminals arranges the signal projector being used for emission video signal; Accordingly, described display screen arranges the signal receiver for receiving video signal.
Advantage of the present utility model: this utility model inserts the toughness that duodenal feeding tube adds duodenal feeding tube before use, decreases flexural deformation when duodenal feeding tube is inserted; By adjustment duodenal feeding tube head end flexibility, reduce and enter duodenum and the difficulty by anastomotic stoma by gastric; Located by video, easily judge that adjustable video leads the position of core print end in digestive tract putting Guan Zhongke, instruct and put pipe operation, opposed pipe position judges; During operation, overall diameter is comparatively thin, can reach any part that lumen diameter is greater than duodenal feeding tube; Lead core by adjustable video can not need to rinse the intracavity position inspection attracted, as tracheoscopy etc. for other separately.
Accompanying drawing explanation
Fig. 1 is the enforcement shape and structure figure that this utility model adjustable video leads core;
Fig. 2 is the enforcement shape and structure figure of this utility model duodenal feeding tube;
Fig. 3 is the whole implementation shape and structure figure that this utility model duodenal feeding tube and adjustable video lead core;
Fig. 4 is the structure chart that this utility model video takes in end adjustable mechanism;
Fig. 5 is the structure chart of this utility model video output terminals adjustable mechanism;
Fig. 6 is the structure chart of this utility model four-way pipe;
Fig. 7 is the enforcement shape and structure figure that this utility model duodenal feeding tube and adjustable video lead core connection four-way pipe.
Description of reference numerals: 1-adjustable video leads core, 11-regulates rope, the inclined side opening of 12-adjustable pipe, 13-curvature adjustable pipe, 14-to regulate rope outlet, 2-video absorption end, 3-video output terminals, 4-temporary locking interface, 5-curvature governor motion, 51-curvature adjusting knob, 52-to regulate rope traction point, 53-adjusting knob fixed axis, 6-duodenal feeding tube, 7-connecting interface, 71-single tube, 72-blank pipe interface, 73-gauge tap, 8-nutritive canal head end, 9-nutritive canal tail end.
Detailed description of the invention
Below in conjunction with concrete drawings and Examples, the utility model is described in further detail.
As shown in Figure 1, Figure 2 and Figure 3: a kind of duodenal feeding tube and adjustable video lead core, duodenal feeding tube 6 is comprised and adjustable video leads core 1.Described adjustable video is led core 1 video output terminals 3 and is arranged temporary locking interface 4, for locking and be sealedly connected on adjustable video lead core 1 by being nested with the duodenal feeding tube 6 of leading on core 1 at adjustable video; Described adjustable video is led core 1 video output terminals 3 and is arranged and take in for leading core 1 video to adjustable video the curvature governor motion 5 that the curvature of end 2 regulates.Described duodenal feeding tube 6 tail end setting is communicated with the connecting interface 7 for washing by water, inflating and attract with duodenal feeding tube tube chamber.
Concrete, it is nutritive canal head end 8 that duodenal feeding tube 6 inserts gastral one end, and staying external one end is nutritive canal tail end 9.Duodenal feeding tube 6 is soft blank pipe, and length is longer, needs per nasal to be placed to duodenal site through pharyngeal, esophagus, stomach.The reason that blind operation duodenal feeding tube 6 inserts difficulty is: stomach space is comparatively large, is difficult to gastral cavity outlet pylorus location.In operation, still assist operation by surgical doctor, No operation patient then needs gastroscope auxiliary operation, and patient is painful, and difficulty is very big.Described adjustable video is led core 1 and is inserted one end in body and head end, that video takes in end 2, the perforate of duodenal feeding tube 6 head end is stretched out during use, lead the video of core 1 head end for obtaining adjustable video, and then accurately locate being nested with duodenal feeding tube 6 implantation site of leading core 1 outside at adjustable video.
Described adjustable video leads core 1, and to be positioned at external one end be video output terminals 3, and the position of leading the contiguous video output terminals 3 of core 1 at adjustable video arranges temporary locking interface 4.Before duodenal feeding tube 6 inserts operation, being nested with by duodenal feeding tube 6 leads on core 1 at adjustable video, locking temporary locking interface 4 makes duodenal feeding tube 6 lock and is sealedly connected on adjustable video to lead on core 1, duodenal feeding tube 6 firmly can be connected when putting pipe operation with duodenal feeding tube 6, reach integrated effect.When locking temporary locking interface 4 makes to put pipe operation, adjustable video is led core 1 and is driven duodenal feeding tube 6 advanced in unison, synchronously retreats, synchronously bends.When duodenal feeding tube 6 arrives suitable position, get loose locking temporary locking interface 4, the connection that duodenal feeding tube 6 and adjustable video lead core 1 is loosely take out de-dismounting and be connected, now, fixing duodenal feeding tube 6 keeps motionless, detach adjustable video lead core 1 and paste fixing duodenal feeding tube 6, put pipe and operated.
Described temporary locking interface 4 is fixedly connected on adjustable video and leads core 1 video output terminals, and temporary locking interface 4 mates with duodenal feeding tube 6 caudal end egress and is connected.Described temporary locking interface 4 arranges temporary locking mechanism, duodenal feeding tube 6 caudal end egress temporary locking can be connected to described adjustable video and lead on core 1.During temporary locking, duodenal feeding tube 6 caudal end egress and adjustable video are led core 1 and are tightly connected.
Described temporary locking interface 4 comprises and is arranged on adjustable video and leads movable sealing cap structure, sealing cap interface and nutritive canal tail end 9 Interface Matching on core 1.Sealing cap interface arranges screw thread, and correspondingly, nutritive canal tail end 9 interface arranges the screw thread of coupling, can reach the effect that is tightly connected by rotating sealing cap interface.In like manner, reverse rotation can reach the effect that gets loose.Described temporary locking interface 4 also comprises other structures many, but when must reach locking, duodenal feeding tube 6 and adjustable video are led core 1 and be tightly connected, and can extract adjustable video and lead core 1, repeat no more herein when getting loose.
Although adjustable video is led core 1 and can be put pipe position to duodenal feeding tube 6 and accurately locate, specifically need lead core 1 video to adjustable video when using and take in end 2 direction of advance and regulate to select correct direction.For realizing taking in end 2 direction of advance location to video, described adjustable video is led core 1 video output terminals 3 and is arranged curvature governor motion 5, and when regulating curvature governor motion 5, adjustable video is led the curvature that core 1 video takes in end 2 and selected.By different angles to adjustable video lead core 1 rotate and to adjustable video lead core 1 video take in end 2 curvature change be combined, make adjustable video lead core 1 video and take in the set direction non-blind area of end 2, thus make to put pipe operator and can choose at random adjustable video as required and lead the direction of advance that core 1 video takes in end 2.
The visual source video sequence putting pipe operation is that video takes in end 2 pairs of front digestive tract inwall picked-up transmission, has following factor to affect video capture: digestive tract inwall is in the sunken state of laminating to be usually difficult to observe; Digestive tract inwall unobstructed attachment minute bubbles foam and residue cover digestive tract inwall; Digestive system is collected at digestive tract lower, covers inwall herein.For overcoming the above problems, described duodenal feeding tube 6 tail end arranges the connecting interface 7 be communicated with duodenal feeding tube 6 tube chamber, be communicated with duodenal feeding tube 6 and adjustable video by connecting interface 7 and lead gap between core 1, form the tract for washing by water, inflating and attract.
For realizing the bath of connecting interface 7, inflation and suction function, it is little compared with duodenal feeding tube 6 internal diameter that described adjustable video leads core 1 external diameter.Duodenal feeding tube 6 locks and is sealedly connected on adjustable video when leading on core 1 by described temporary locking interface 4, and duodenal feeding tube 6 inwall and adjustable video are led to be formed between core 1 and be opened on duodenal feeding tube 6 head end and the tract for washing by water, inflating and attract be communicated with connecting interface 7.
Described adjustable video is led core 1 video output terminals 3 and is arranged display screen, takes in end 2 video image with display video, and namely operator obtains adjustable video according to the video image that display screen shows and lead core 1 video output terminals 3 position residing in digestive tract.Described display screen is electrically connected or wireless connections with video output terminals 3 is wired.Corresponding, corresponding video transmission line and electric wire of powering need be equipped with when display screen is wired electrical connection with video output terminals 3, for corresponding video signal transmitter and receptor need be equipped with during wireless connections, repeat no more herein.
Described adjustable video is led core 1 and is arranged for taking in the light source of end 2 illumination and the power supply for light source power supply for video.Described power supply should be arranged on adjustable video and lead the outside that core 1 is positioned at duodenal feeding tube 6 tail end.Described light source can be and is arranged on adjustable video and leads core 1 video and take in the midget lamp pearl of end 2, and corresponding adjustable video is led core 1 domestic demand and buried supply lines underground and be connected with power electric.Described light source can be and is arranged on the end that adjustable video leads core 1 video output terminals 3, and corresponding adjustable video is led core 1 domestic demand and arranged guide-lighting rope or light source can be conducted to the structure that video takes in end 2 by other.
As shown in Figures 4 and 5: described curvature governor motion 5 comprises and is arranged on that adjustable video leads curvature adjustable pipe 13 in core 1, the curvature be embedded in curvature adjustable pipe 13 regulates rope 11 and lead core 1 with adjustable video is flexibly connected the curvature adjusting knob 51 regulating rope 11 for tractive curvature.Described curvature adjusting knob 51 is led core 1 by adjusting knob fixed axis 53 and adjustable video and is flexibly connected, and curvature adjusting knob 51 can rotate by point centered by adjusting knob fixed axis 53.Described curvature adjustable pipe 13 is led core 1 video absorption end 2 length at adjustable video and is arranged the inclined side opening 12 of some adjustable pipes in the region of 2cm-5cm, leads core 1 video output terminals arrange adjustment rope outlet 14 at adjustable video.Described curvature regulates rope 11 along the distribution of curvature adjustable pipe 13 inner chamber, leads core 1 video output terminals be fixedly connected with adjustable video, leads core 1 video output terminals 3 go out to regulate rope outlet 14 to be fixedly connected with curvature adjusting knob 51 at adjustable video; Described curvature regulates rope 11 external diameter little compared with curvature adjustable pipe 13 internal diameter, and described curvature regulates rope 11 length to mate with curvature adjustable pipe 13.Curvature can be affected when regulating curvature adjusting knob 51 movable to regulate rope 11 to move along curvature adjustable pipe 13 major axis by regulating rope outlet 14 to lead outside core 1 to adjustable video, and it is bending to affect the adjustable video between the inclined side opening 12 of adjustable pipe to lead core 1.
Concrete: described curvature adjustable pipe 13 is arranged on the position that adjustable video leads neighboring edge on core 1 cross section, and the inclined side opening of described adjustable pipe 12 is arranged on the sidewall that the contiguous adjustable video of curvature adjustable pipe 13 leads the weak side of core 1.Adjustable pipe inclined side opening 12 preferred number is individual at 10-20, the preferred 0.2mm-0.4mm of adjustable pipe inclined side opening 12 diameter.Regulating rope to export 14 apertures preferably regulates rope 11 external diameter to mate with curvature.
Described curvature regulates rope 11 to be embedded in curvature adjustable pipe 13, leaves minim gap; Curvature regulates rope 11 can along curvature adjustable pipe 13 long axis motion, but on cross section, range of activity is minimum.
Described curvature regulates rope 11 length to mate with curvature adjustable pipe 13, namely, under the state that do not stress, curvature regulates that rope 11 length is only enough to be taken in one end of end 2 and adjustable video from contiguous video and lead core 1 fixed connection point and extend in curvature adjustable pipe 13 and the adjustment rope traction point 52 curvature adjusting knob 51.
When regulating curvature adjusting knob 51 centered by adjusting knob fixed axis 53 during point rotation, the adjustment rope traction point 52 on curvature adjusting knob 51 is stressed, and tractive curvature regulates rope 11 outwards to move by regulating rope outlet 14.But curvature regulates rope 11 length to mate with curvature adjustable pipe 13, not space.Now, on microcosmic, the inclined side opening 12 of adjustable pipe leads ends A point on core 1 major axis and B point is close under curvature regulates the pulling force of rope 11 at adjustable video, leads core 1 form slight curves at adjustable video; Multiple slight curves accumulates and forms the comparatively macrobending that deflection arranges curvature adjustable pipe 13 side in the distance of 2cm-5cm arranging the inclined side opening 12 of adjustable pipe, reaches practical purpose.
As shown in FIG. 6 and 7: described connecting interface 7 arranges four-way pipe, described four-way pipe one end is that single tube 71 mates with connecting interface 7 and is communicated with, and the described four-way pipe other end is set to three the branch's blank pipe interfaces 72 be communicated with.Three three branch's blank pipe interfaces 72 be communicated with are arranged gauge tap 73 respectively and are communicated with connecting interface 7 by single tube 71.Three branch's blank pipe interfaces 72 connect jet water spout respectively and are convenient to bath flushing digestive tract inwall unobstructed attachment minute bubbles foam and residue exposure digestive tract inwall when using; Connect gas tube insufflation gas the digestive tract chamber wall of the sunken state of laminating to be strutted be convenient to video to take in end 2 to gather video image; Connect suction catheter to be convenient to vacuum suction and to amass Digestive system in digestive tract intracavity lower and flushing water.Three branch's blank pipe interfaces 72 arrange gauge tap 73 respectively and control inflation, flushing and attraction operation.
Described adjustable video is led core 1 and is comprised photographic head and lead core and fibre bronchus mirror leads core, repeats no more herein.
This utility model inserts the toughness that duodenal feeding tube 6 tube chamber adds duodenal feeding tube 6 before use, decreases flexural deformation when duodenal feeding tube 6 is inserted; Lead by adjustment adjustable video flexibility and then adjustment duodenal feeding tube head end 8 flexibility that core 1 video takes in end 2, reduce and enter duodenum difficulty by duodenal feeding tube 6 by gastric; Located by video, put Guan Zhongke easily judge adjustable video lead core 1 video take in the position of end 2 in digestive tract, instruct put pipe operation, opposed pipe position judges; During operation, overall diameter is comparatively thin, can reach any part that lumen diameter is greater than duodenal feeding tube; Lead the lacuna of core 1 and duodenal feeding tube 6 segment dislocation for inflating, rinse and attracting by adjustable video, reduce space requirement; Adjustable video leads core 1 can not needed to rinse the intracavity position inspection attracted for other separately, as tracheoscopy, and guidance tracheal intubation etc.Applied widely, easy to use, safe and reliable.
Claims (10)
1. a duodenal feeding tube and adjustable video lead core, comprise duodenal feeding tube (6) and adjustable video leads core (1), it is characterized in that: described adjustable video is led core (1) video output terminals (3) and arranged temporary locking interface (4), for locking and be sealedly connected on adjustable video lead core (1) by being nested with the duodenal feeding tube (6) of leading on core (1) at adjustable video; Described adjustable video is led core (1) video output terminals (3) and is arranged the curvature governor motion (5) being used for regulating the curvature that adjustable video leads core (1) video absorption end (2).
2. duodenal feeding tube according to claim 1 and adjustable video lead core, it is characterized in that; Described adjustable video is led core (1) and is arranged the light source for throwing light on for video absorption end (2) and the power supply for light source power supply.
3. duodenal feeding tube according to claim 1 and adjustable video lead core, it is characterized in that: the setting of described duodenal feeding tube (6) tail end is communicated with the connecting interface (7) for washing by water, inflating and attract with duodenal feeding tube tube chamber.
4. duodenal feeding tube according to claim 1 and adjustable video lead core, it is characterized in that: described adjustable video is led core (1) video output terminals (3) and arranged the display screen taking in end (2) video image in order to display video, and described display screen is electrically connected or wireless connections with video output terminals (3) is wired.
5. duodenal feeding tube according to claim 1 and adjustable video lead core, it is characterized in that: described curvature governor motion (5) comprises and is arranged on that adjustable video leads curvature adjustable pipe (13) in core (1), the curvature be embedded in curvature adjustable pipe (13) regulates rope (11) and lead core (1) with adjustable video is flexibly connected the curvature adjusting knob (51) regulating rope (11) for tractive curvature; Described curvature adjusting knob (51) is led core (1) by adjusting knob fixed axis (53) and adjustable video and is flexibly connected, and curvature adjusting knob (51) can rotate by point centered by adjusting knob fixed axis (53); Described curvature adjustable pipe (13) is led core (1) video absorption end (2) length at adjustable video and is arranged the inclined side opening of some adjustable pipes (12) at the section of 2cm-5cm, leads core (1) video output terminals arrange adjustment rope outlet (14) at adjustable video; Described curvature regulates rope (11) to distribute along curvature adjustable pipe (13) inner chamber, lead core (1) video output terminals with adjustable video to be fixedly connected with, lead core (1) video output terminals (3) at adjustable video and go out to regulate rope outlet (14) to be fixedly connected with curvature adjusting knob (51); Described curvature regulates rope (11) external diameter little compared with curvature adjustable pipe (13) internal diameter, and described curvature regulates rope (11) length to mate with curvature adjustable pipe (13); Curvature can be affected when regulating curvature adjusting knob (51) movable to regulate rope (11) to move along curvature adjustable pipe (13) major axis by regulating rope outlet (14) to lead core (1) to adjustable video outward, and it is bending to affect the adjustable video between the inclined side opening of adjustable pipe (12) to lead core (1).
6. duodenal feeding tube according to claim 1 and adjustable video lead core, it is characterized in that: described temporary locking interface (4) is fixedly connected on adjustable video and leads core (1) video output terminals, temporary locking interface (4) mates with duodenal feeding tube (6) caudal end egress and is connected; Described temporary locking interface (4) arranges temporary locking mechanism, duodenal feeding tube (6) caudal end egress temporary locking can be connected to described adjustable video and lead on core (1); During temporary locking, duodenal feeding tube (6) caudal end egress and adjustable video are led core (1) and are tightly connected.
7. duodenal feeding tube according to claim 3 and adjustable video lead core, it is characterized in that: described connecting interface (7) arranges four-way pipe; Described four-way pipe one end is that single tube (71) mates with connecting interface (7) and is communicated with; The described four-way pipe other end is set to three branches'es blank pipe interface (72) be communicated with, and three branches'es blank pipe interface (72) of tee joint are arranged gauge tap (73) respectively and are communicated with connecting interface (7) by single tube (71).
8. duodenal feeding tube according to claim 1 and adjustable video lead core, it is characterized in that: it is little compared with duodenal feeding tube (6) internal diameter that described adjustable video leads core (1) external diameter, described adjustable video leads core (1) length, and comparatively duodenal feeding tube (6) is long; Described temporary locking interface (4) duodenal feeding tube (6) is locked and be sealedly connected on adjustable video lead core (1) upper time, duodenal feeding tube (6) inwall and adjustable video lead the tract for washing by water, inflating and attract being formed between core (1) and be opened on duodenal feeding tube (6) head end.
9. duodenal feeding tube according to claim 1 and adjustable video lead core, it is characterized in that: described adjustable video is led core (1) and comprised photographic head and lead core and fibre bronchus mirror leads core.
10. duodenal feeding tube according to claim 4 and adjustable video lead core, it is characterized in that: when described display screen and video output terminals (3) wireless connections, and described video output terminals arranges the signal projector being used for emission video signal; Accordingly, described display screen arranges the signal receiver for receiving video signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520044408.9U CN204446646U (en) | 2015-01-22 | 2015-01-22 | Duodenal feeding tube and adjustable video lead core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520044408.9U CN204446646U (en) | 2015-01-22 | 2015-01-22 | Duodenal feeding tube and adjustable video lead core |
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| Publication Number | Publication Date |
|---|---|
| CN204446646U true CN204446646U (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520044408.9U Expired - Fee Related CN204446646U (en) | 2015-01-22 | 2015-01-22 | Duodenal feeding tube and adjustable video lead core |
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| CN (1) | CN204446646U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106039513A (en) * | 2016-07-06 | 2016-10-26 | 河南驼人医疗器械集团有限公司 | Wireless visual guide core for tracheal intubation |
| CN106993997A (en) * | 2017-05-15 | 2017-08-01 | 王佳姝钰 | A kind of visual gastroscope tube |
-
2015
- 2015-01-22 CN CN201520044408.9U patent/CN204446646U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106039513A (en) * | 2016-07-06 | 2016-10-26 | 河南驼人医疗器械集团有限公司 | Wireless visual guide core for tracheal intubation |
| CN106993997A (en) * | 2017-05-15 | 2017-08-01 | 王佳姝钰 | A kind of visual gastroscope tube |
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|---|---|---|---|
| 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: 20150708 Termination date: 20160122 |
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| EXPY | Termination of patent right or utility model |