CN204814916U - Nose stomach intestin tube - Google Patents
Nose stomach intestin tube Download PDFInfo
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- CN204814916U CN204814916U CN201520522350.4U CN201520522350U CN204814916U CN 204814916 U CN204814916 U CN 204814916U CN 201520522350 U CN201520522350 U CN 201520522350U CN 204814916 U CN204814916 U CN 204814916U
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- head
- conduit
- counterweight
- nasal gastrointestinal
- groove
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Abstract
The utility model provides a nose stomach intestin tube, include interconnect and the intercommunication head, pipe, the head is used for anchoring in intestines, the pipe be used for to the nutrient solution is carried to the head, and passes through the head releases the nutrient solution to the intestines in, be equipped with the counterweight in the head, be used for increasing the weight of head. The utility model discloses a nose stomach intestin tube can improve entering intestines success rate interior, just anchoring in intestines.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, in particular to a kind of Nasal gastrointestinal tube.
Background technology
Nasal gastrointestinal tube is used for providing nutritional solution to enteral.The conduit that Nasal gastrointestinal tube generally comprises head and is communicated with head, conduit has the spiral section be connected with head, and nutritional solution enters head by conduit, is then flowed out by head and is released into enteral.Nasal gastrointestinal tube in use, gastric is inserted by nasal cavity, the spiral section of conduit can be softened under the effect of gastrointestinal peristalsis, thus promote head generation from wriggling and passing through pylorus voluntarily, finally rest on position corresponding with Qu Shi ligament in duodenum, jejunum, there is provided nutritional solution to enteral, with reduce cause because enteral nutrition is not enough intestinal mucosa atrophy, intestinal bacterium transposition, safeguard function of intestinal canal.The information of more prior aries can be the patent documentation of CN1142759C see notification number.
In the Nasal gastrointestinal tube of above-mentioned prior art, there is following problem:
The first, Nasal gastrointestinal tube enters enteral and low in the success rate of enteral grappling smoothly.This is mainly reflected in two aspects: on the one hand, and spiral section usually can not strut by the force limited of gastrointestinal peristalsis effectively, causes head large to the failed probability of duodenum, jejunum from wriggling; On the other hand, head own wt is less, after entering duodenum, jejunum, easily to wave, cause enteral grappling unstable, be even shifted, and nutritional solution after head displacement, may be caused to backflow, cause inhaling, namely gastric thing adverse current enters pharyngolaryngeal cavity and trachea by mistake, the malaise symptoms such as cause that patient vomits.
The second, when by Nasal gastrointestinal tube infusion viscosity larger nutritional solution, the conveyance conduit in conduit and head easily blocks, and need flushing pipe repeatedly, medical personnel's work load increases.
3rd, Nasal gastrointestinal tube is retained in after in patient body, needs to observe indwelling position by taking x-rays, in the prior art, increases barium sulfate (BaSO in the material of conduit
4), make conduit opaque, to help development.But because conduit is opaque, cause the nutritional solution infusion state cannot observed during daily nursing in conduit.
Utility model content
The first problem that this utility model solves is that existing Nasal gastrointestinal tube enters enteral and lower in the success rate of enteral grappling smoothly; Second Problem is that existing Nasal gastrointestinal tube easily blocks; 3rd problem is existing Nasal gastrointestinal tube cannot observe in conduit nutritional solution infusion state when daily nursing.
For solving the problem, this utility model provides a kind of Nasal gastrointestinal tube, comprise and being interconnected and the head be communicated with, conduit, described head is used in enteral grappling, described conduit is used for described head conveying nutritional solution, and by described head, nutritional solution is released into enteral, be provided with counterweight in described head, for increasing the weight of described head.
Optionally, described head is provided with groove, described counterweight is located in described groove, described groove has cervical region, this cervical region is positioned at the side opposing with the bottom of described groove of described counterweight, the minimum dimension of described cervical region is less than the full-size of described counterweight, comes off from described groove to prevent described counterweight.
Optionally, be provided with sealing member in described groove, the seal is positioned at the side opposing with the bottom of described groove of described counterweight, and described counterweight is sealed in described groove by described sealing member.
Optionally, described sealing member is UV glue.
Optionally, described UV glue is filled full from described counterweight to the space the opening of described groove.
Optionally, described groove is positioned at the end of one end opposing with described conduit of described head.
Optionally, one end of described conduit has spiral section, and described head is connected with described spiral section and is communicated with.
Optionally, described counterweight is steel ball.
Optionally, there is in described head the passage be communicated with described conduit; Described Nasal gastrointestinal tube also comprises seal wire, and this seal wire stretches into described passage from described conduit; The sidewall of described passage offers the first through hole of strip, described first through hole radially runs through described sidewall.
Optionally, the length direction of described first through hole is along the axis of described passage.
Optionally, described first through hole is slotted eye or mounting hole.
Optionally, the sidewall of described passage also offers the second through hole radially running through described sidewall, described second through hole is circular hole.
Optionally, described conduit comprise transparent part for stretching out external part, comprise non-transparent part for the part stretched in body.
Optionally, described transparent part and described non-transparent part being circumferentially arranged along described conduit, and extend along the axis of described conduit respectively; Or described transparent part and described non-transparent part are alternately arranged along the axis of described conduit.
Compared with prior art, the technical solution of the utility model has the following advantages:
Owing to being provided with counterweight in head, the weight of head promotes to some extent, can pull spiral section on the one hand, strut, again can promote again the wriggling of head after spiral section struts conversely with auxiliary screw section, promotes that head is wriggled smoothly to the target location of enteral.Its waving at enteral can be reduced on the other hand, promote the grappling of head, avoid the generation be shifted.
Further, the channel side wall of head arranges the first through hole of strip, strip through hole major axis strengthens with the area increasing by the first through hole, prevents and that cause line clogging too small due to via area.
Further, conduit comprises transparent part and non-transparent part, makes conduit while satisfied development requires, facilitates medical personnel to observe the infusion state of nutritional solution in conduit.
Accompanying drawing explanation
Fig. 1 is the three-dimensional structure diagram of Nasal gastrointestinal tube of the present utility model.
Fig. 2 is the cut-away view one of head in Nasal gastrointestinal tube of the present utility model, wherein seal wire stretch into head passage in and groove filled by sealing member.
Fig. 3 is the cut-away view two of head in Nasal gastrointestinal tube of the present utility model, wherein not shown seal wire and sealing member.
Fig. 4 is the enlarged drawing of the part A irised out in Fig. 3.
Fig. 5 is the edge of conduit and the sectional view in axially vertical direction.
Detailed description of the invention
For enabling above-mentioned purpose of the present utility model, feature and advantage more become apparent, and are described in detail specific embodiment of the utility model below in conjunction with accompanying drawing.
Embodiment of the present utility model provides a kind of Nasal gastrointestinal tube, with reference to Fig. 1, comprises head 10 and is connected with head 10 and the conduit 20 be communicated with.Conduit 20 is for carrying nutritional solution to head 10, and nutritional solution for the enteral grappling patient, and is released into enteral by head 10.Particularly, one end of conduit 20 has spiral section 21, and the other end has catheter adapter 22, and head 10 is connected with spiral section 21, and catheter adapter 22 is for being connected with nutrition pipeline road (not shown).Catheter adapter 22 is connected with sealing cap 23, for closes ducts joint 22, during use, sealing cap 23 is opened.
In the present embodiment, as shown in Figure 2, in head 10, be provided with counterweight 12, for increasing the weight of head 10.Wherein, counterweight 12 can select the material that any one density is larger, such as metal, pottery or other materials, and its shape is not limit.In the present embodiment, counterweight 12 is steel ball.
As shown in Figure 1, Nasal gastrointestinal tube also comprises seal wire 30, and this seal wire 30 is fixed on seal wire handle 40.Shown in composition graphs 2, have the passage 11 be communicated with conduit 20 in head 10, seal wire 30 is plugged in passage 11, seal wire 30 extend in passage 11 by conduit 20, wherein, the size of passage 11, slightly larger than seal wire 30, bends in passage 11 to avoid seal wire 30.Seal wire 30 is generally steel wire, and its effect is supporting tube 20, is strutted by spiral section 21 simultaneously, whole conduit 20 is stretched and substantially linearly, inserts in stomach can be smoothly through nasal cavity.Wherein, spiral section 21 should possess memory function, can recover helical form when losing the support of seal wire 30.
During use, inserted in conduit 20 by seal wire 30, make it extend to spiral section 21 until stretch in the passage 11 of head 10, now, spiral section 21 is softened extremely close to straight line or arc shaped.Then, by Nasal gastrointestinal tube by head 10, inserted the stomach of patient by nasal cavity, when head 10 arrives stomach, pull out seal wire handle 40, seal wire 30 is detached gradually head 10 and conduit 20, now, spiral section 21 recovers helical form owing to losing the support of seal wire 30, and is positioned at stomach.When gastrointestinal peristalsis, spiral section 21 is again softened under the effect of gastrointestinal peristalsis power, and promoting head 10 and wriggle and pass pylorus voluntarily, wriggles in head for target position, and at this stage, the wriggling of head 10 is called from wriggling.Finally, when head 10 arrives target location, spiral section 21 can not be strutted further again, and head 10 stopping from wriggling, and stopping, being anchored on target location, such as corresponding with Qu Shi ligament in duodenum, jejunum position.When after head 10 grappling, catheter adapter 22 be connected with nutrition pipeline road, nutritional solution is delivered in the passage 11 of head 10 by conduit 20 by nutrition pipeline road, and is released into enteral by head 10.Visible, it is low that Nasal gastrointestinal tube is applicable to gastric motility, and the normal patient of intestinal function, patient can be helped to start as early as possible to absorb nutritional labeling equilibrium and the intestinal nutrient solution containing dietary fiber, to shorten the convalescent period of metabolic effect and alimentation after operation in patients, help patient's mitigate the disease.
In the present embodiment, owing to being provided with counterweight 12 in head 10, the weight of head 10 promotes to some extent, therefore, when gastrointestinal peristalsis, heavier head 10 can apply certain pulling force to spiral section 21, auxiliary screw section 21 struts, and simultaneously by the wriggling strutting promotion head 10 further of spiral section 21, spiral section 21 and head 10 is interacted, promote that head 10 is from wriggling to target location, increases the probability successfully entering enteral.When behind head 10 target approach position, its waving at enteral can be reduced, promote the grappling of head 10, avoid the generation be shifted.
Particularly, shown in Fig. 2 composition graphs 3, Fig. 4, head 10 is provided with groove 13, and counterweight 12 is located in groove 13.
Groove 13 has cervical region 13a, this cervical region 13a is positioned at the side opposing with the bottom of groove 13 of counterweight 12, the minimum dimension of cervical region 13a is less than the full-size of counterweight 12, and and form stage portion between other parts of groove 13, for stopping counterweight 12, prevent counterweight 12 from coming off from groove 13.
Sealing member 14 (Fig. 2) is provided with in groove 13, the seal 14 is positioned at the side opposing with the bottom of groove 13 of counterweight 12, the effect of sealing member 14 is sealed in groove 13 by counterweight 12, prevent it from exposing and contacting with the internal milieu of patient, to reduce the infection risk of patient.
The encapsulant that sealing member 14 can select any one harmless, the seal request of sealing member 14 is to cover counterweight 12 completely for basic demand, and its size along groove 13 depth direction can be arranged according to practical situation.
In the present embodiment, sealing member 14 selects UV glue, and its depth direction along groove 13 is filled full from counterweight 12 to the space the opening of groove 13.During manufacture, be first pressed into by counterweight 12 within groove 13 to cervical region 13a, then in groove 13, fill UV glue, until flush with the opening of groove 13, after having manufactured, counterweight 12 has been pressed on the bottom of groove 13.
In other embodiments, sealing member also can not fill up groove, such as, be only arranged on the aperture position of groove, or only fills up the segment space of groove, as long as can cover counterweight completely, make itself and external environment.
Further, with reference to shown in Fig. 3, the sidewall of the passage 11 of head 10 offers the first through hole 11a, the first through hole 11a radially runs through sidewall, and with by passage 11 and ft connection, the nutritional solution in passage 11 is released into enteral via the first through hole 11a.
First through hole 11a is strip, can be increased the area of the first through hole 11 by the length increasing by the first through hole 11a, prevents and that cause line clogging too small due to circulation area.
Wherein, under the condition of intensity ensureing head 10, the length direction of the first through hole 11a can extend along any direction, such as, extend along the axial, circumferential of passage 11 or other directions.In the present embodiment, because the diameter of passage 11 is less, cause the first through hole 11a size circumferentially limited, therefore the length direction being arranged to the first through hole 11a extends along the axis of passage 11, the area of the first through hole 11a is increased by increasing its length vertically, meanwhile, because the first through hole 11a size circumferentially (i.e. width) is less, can ensure that the intensity of head 10 at lead to the hole site is not by undue weakening.
In addition, the shape of the first through hole 11a is not limit, such as, can be slotted eye or mounting hole, and the edge of through hole also can be other shapes such as zigzag, waveform.For convenience of processing, the first through hole 11a of the present embodiment is oval, and its major axis is greater than the full-size of seal wire 30 and its major axis is parallel with the axis of passage 11.
If the size of head 10 is enough large, then along the axial direction of passage 11a, multiple first through hole 11a can be set.If the size of head 10 is less, then can offer the second through hole 11b of the circle radially running through sidewall in the side of the first through hole 11a, to increase the gross area of through hole.In the present embodiment, the first through hole 11a, the second through hole 11b are respectively multiple, such as two, and symmetrical along the circumference of passage 11, and each first through hole 11a is located along the same line vertically with a second through hole 11b respectively.
In other embodiments, the quantity of the first through hole, the second through hole and arrangement mode can according to sidewall circumferentially with the size of axis, and the requirement of strength of head is specifically arranged.Or, also one or more first through hole can be only set.
Further, with reference to Fig. 5, conduit 20 comprises transparent part 20a and non-transparent part 20b, and transparent part 20a and non-transparent part 20b is circumferentially arranged along conduit 20, and extends along the axis of conduit 20 and run through whole conduit 20 respectively.Transparent part 20a is used for the nutritional solution infusion state of observing for medical personnel when daily nursing in conduit 20, transparent part 20a can identify scale, so that observe.Non-transparent part 20b is used for developing when taking x-rays, with the indwelling position helping medical personnel to observe conduit 20.Wherein, non-transparent part 20b can by increasing barium sulfate to realize in the material of conduit.
In other embodiments, as long as meet, conduit part in vitro has transparent part, part in vivo has non-transparent part, such as also can be arranged to: transparent part and non-transparent part are alternately arranged along the axis of conduit, and now conduit is rendered as striated in appearance; Or be arranged to: conduit be transparent part for stretching out external part, be non-transparent part for the part stretched in body.Can, while satisfied development requires, medical personnel be facilitated to observe the infusion state of nutritional solution in conduit equally like this.
Although this utility model discloses as above, this utility model is not defined in this.Any those skilled in the art, not departing from spirit and scope of the present utility model, all can make various changes or modifications, and therefore protection domain of the present utility model should be as the criterion with claim limited range.
Claims (14)
1. a Nasal gastrointestinal tube, comprises and being interconnected and the head be communicated with, conduit, and described head is used in enteral grappling, and described conduit is used for described head conveying nutritional solution, and by described head, nutritional solution is released into enteral,
It is characterized in that, in described head, be provided with counterweight, for increasing the weight of described head.
2. Nasal gastrointestinal tube as claimed in claim 1, it is characterized in that, described head is provided with groove, and described counterweight is located in described groove,
Described groove has cervical region, and this cervical region is positioned at the side opposing with the bottom of described groove of described counterweight, and the minimum dimension of described cervical region is less than the full-size of described counterweight, comes off from described groove to prevent described counterweight.
3. Nasal gastrointestinal tube as claimed in claim 2, it is characterized in that, be provided with sealing member in described groove, the seal is positioned at the side opposing with the bottom of described groove of described counterweight, and described counterweight is sealed in described groove by described sealing member.
4. Nasal gastrointestinal tube as claimed in claim 3, it is characterized in that, described sealing member is UV glue.
5. Nasal gastrointestinal tube as claimed in claim 4, is characterized in that, described UV glue is filled full from described counterweight to the space the opening of described groove.
6. Nasal gastrointestinal tube as claimed in claim 2, it is characterized in that, described groove is positioned at the end of one end opposing with described conduit of described head.
7. Nasal gastrointestinal tube as claimed in claim 1, it is characterized in that, one end of described conduit has spiral section, and described head is connected with described spiral section and is communicated with.
8. the Nasal gastrointestinal tube according to any one of claim 1 ~ 7, is characterized in that, described counterweight is steel ball.
9. Nasal gastrointestinal tube as claimed in claim 1, is characterized in that having the passage be communicated with described conduit in described head;
Described Nasal gastrointestinal tube also comprises seal wire, and this seal wire stretches into described passage from described conduit;
The sidewall of described passage offers the first through hole of strip, described first through hole radially runs through described sidewall.
10. Nasal gastrointestinal tube as claimed in claim 9, is characterized in that, the length direction of described first through hole is along the axis of described passage.
11. Nasal gastrointestinal tubes as claimed in claim 9, it is characterized in that, described first through hole is slotted eye or mounting hole.
12. Nasal gastrointestinal tubes as claimed in claim 9, is characterized in that, the sidewall of described passage also offers the second through hole radially running through described sidewall, described second through hole is circular hole.
13. Nasal gastrointestinal tubes as claimed in claim 1, is characterized in that, described conduit comprise transparent part for stretching out external part, comprise non-transparent part for the part stretched in body.
14. Nasal gastrointestinal tubes as claimed in claim 13, is characterized in that, described transparent part and described non-transparent part being circumferentially arranged along described conduit, and extend along the axis of described conduit respectively; Or,
Described transparent part and described non-transparent part are alternately arranged along the axis of described conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520522350.4U CN204814916U (en) | 2015-07-17 | 2015-07-17 | Nose stomach intestin tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520522350.4U CN204814916U (en) | 2015-07-17 | 2015-07-17 | Nose stomach intestin tube |
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| Publication Number | Publication Date |
|---|---|
| CN204814916U true CN204814916U (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520522350.4U Active CN204814916U (en) | 2015-07-17 | 2015-07-17 | Nose stomach intestin tube |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114272141A (en) * | 2022-01-13 | 2022-04-05 | 北京大学深圳医院 | Double-cavity visible gastrointestinal tube and double-cavity injection device with same |
-
2015
- 2015-07-17 CN CN201520522350.4U patent/CN204814916U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114272141A (en) * | 2022-01-13 | 2022-04-05 | 北京大学深圳医院 | Double-cavity visible gastrointestinal tube and double-cavity injection device with same |
| CN114272141B (en) * | 2022-01-13 | 2023-09-15 | 北京大学深圳医院 | Double-cavity visual gastrointestinal tube and double-cavity injection device with same |
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| GR01 | Patent grant |