CN208641321U - Nasal feeding pipe fitting, Nasal gastrointestinal tube - Google Patents
Nasal feeding pipe fitting, Nasal gastrointestinal tube Download PDFInfo
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- CN208641321U CN208641321U CN201820049709.4U CN201820049709U CN208641321U CN 208641321 U CN208641321 U CN 208641321U CN 201820049709 U CN201820049709 U CN 201820049709U CN 208641321 U CN208641321 U CN 208641321U
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- pipe fitting
- feeding pipe
- nasal
- nasal feeding
- main cover
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Abstract
The utility model discloses a kind of nasal feeding pipe fitting, Nasal gastrointestinal tube, is related to the field of medical instrument technology, using solve existing nasal feeding pipe fitting be unfavorable for medical staff by interface as liquid such as the other low dose of nutrient drugs of sufferer injection the technical issues of.Nasal feeding pipe fitting described in the utility model, comprising: taper joint ontology, the inside of taper joint ontology offer the channel for circulating liquid；The small head end of taper joint ontology is communicated with metal plug division, and the stub end of taper joint ontology is provided with double-turning-cover formula lid；Double-turning-cover formula lid includes: the main cover connecting with taper joint ontology, and the auxiliary lid connecting with main cover；Main cover offers the through-hole for circulating liquid, and main cover is used for closed channel, and auxiliary lid is for closing through-hole.
Description
Technical field
The utility model relates to the field of medical instrument technology, in particular to a kind of nasal feeding pipe fitting, Nasal gastrointestinal tube.
Background technique
Currently, clinically patient can not be fed due to a variety of causes such as esophageal obstructions, patient is easy to cause to have a low resistance,
Aggravation.Nasal gastrointestinal tube can be used in feeding to the patient of critically ill patient or esophageal obstruction, to guarantee nutrition needed for it.
In the prior art, the nasal feeding pipe fitting of Nasal gastrointestinal tube usually only has a lid, which can lead to when opening
The infusion pipeline of nasogastric tube fittings infusion nutrition liquor bag is crossed to carry out the conveying of nutrient solution, after the completion of nutrient solution conveying,
The lid of nasal feeding pipe fitting can be closed, to guarantee the closing of nasal feeding pipe fitting and Nasal gastrointestinal tube.
However, present inventor has found, existing nasal feeding pipe fitting is due to needing to be connected to infusion pipeline, nasal feeding
The connection size of pipe fitting is larger, to be unfavorable for medical staff, thus interface is that sufferer injects the nutritional drugs of other low doses
The liquid such as object.
Utility model content
The purpose of this utility model is to provide a kind of nasal feeding pipe fittings, Nasal gastrointestinal tube, are connect with solving existing nasogastric tube
It is the technical issues of sufferer injects the liquid such as other low dose of nutrient drugs that head, which is unfavorable for medical staff by interface,.
The utility model provides a kind of nasal feeding pipe fitting, comprising: taper joint ontology, the inside of the taper joint ontology
Offer the channel for circulating liquid；The small head end of the taper joint ontology is communicated with metal plug division, and the taper connects
The stub end of head ontology is provided with double-turning-cover formula lid；The double-turning-cover formula lid includes: to connect with the taper joint ontology
Main cover, and the auxiliary lid being connect with the main cover；The main cover offers the through-hole for circulating liquid, and the main cover is used for
The channel is closed, the auxiliary lid is for closing the through-hole.
Wherein, the main cover is equipped with main plug, and the main plug, which is filled in the channel, realizes the main cover to described logical
The closing in road；The through-hole is axially through the main plug, and the periphery of the main plug is big convex stupefied circumferentially arranged with a circle,
It is equipped in the channel and the big convex stupefied matched major thread.
Wherein, it is described it is auxiliary be covered with auxiliary plug, the auxiliary plug, which is filled in the through-hole, realizes the auxiliary lid to described logical
The closing in hole；The periphery of the auxiliary plug is small convex stupefied circumferentially arranged with a circle, is equipped with and the small convex stupefied matching in the through-hole
Minor thread.
It specifically, include step structure body on the outside of the metal plug division.
It further, include second order step structure body on the outside of the metal plug division.
Compared with the existing technology, nasal feeding pipe fitting described in the utility model has the advantage that
In nasal feeding pipe fitting provided by the utility model, comprising: the inside of taper joint ontology, taper joint ontology opens up
There is the channel for circulating liquid；The small head end of taper joint ontology is communicated with metal plug division, the major part of taper joint ontology
End is provided with double-turning-cover formula lid；Double-turning-cover formula lid includes: the main cover connecting with taper joint ontology, and is connect with main cover
Auxiliary lid；Main cover offers the through-hole for circulating liquid, and main cover is used for closed channel, and auxiliary lid is for closing through-hole.Thus divide
Analysis is it is found that in nasal feeding pipe fitting provided by the utility model, due to being provided with double-turning-cover formula lid, can by channel with
Infusion pipeline connection closes the main cover of double-turning-cover formula lid to carry out the conveying of the liquid such as large dosage of nutrient solution after conveying
(auxiliary lid is in off state always), when needing to inject the liquid such as low dose of nutrient drug, opening auxiliary lid, (main cover is still at this time
It is in off state), and injection delivery is carried out by through-hole, so that effectively solving existing nasal feeding pipe fitting is unfavorable for medical staff
It is the technical issues of sufferer injects the liquid such as other low dose of nutrient drugs by interface.In addition, nose provided by the utility model
In feeding tube connector, due to being provided with metal plug division, when connecting nasal feeding pipe fitting and Nasal gastrointestinal tube tube body, it can make
Metal plug division is inserted into the tube body of Nasal gastrointestinal tube, to realize close, firm connection effect, effectively prevent the hair of loose phenomenon
It is raw.
The utility model also provides a kind of Nasal gastrointestinal tube, comprising: tube body and nasogastric tube as described in any one of the above embodiments connect
Head；The nasal feeding pipe fitting is connected to by the metal plug division with one end of the tube body.
Wherein, the side wall edge of the tube body is axially arranged with developing line area, and the longitudinal cross-section in the developing line area is rectangle；
The pipe shaft of the tube body corresponds to the developing line area and is marked with graduation mark.
Specifically, wire guide is equipped in the tube body, and the inner wall of the tube body is coated with hydrophilic layer.
Further, the tube body is built-in with gravity drop hammer far from one end of the nasal feeding pipe fitting.
Further, the tube body far from the nasal feeding pipe fitting one end tube wall be equipped with it is multiple be interspersed it is small
Hole.
Possessed advantage is identical compared with the existing technology with above-mentioned nasal feeding pipe fitting for the Nasal gastrointestinal tube, no longer superfluous herein
It states.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the first viewing angle constructions schematic diagram of nasal feeding pipe fitting first state provided by the embodiment of the utility model；
Fig. 2 is the second viewing angle constructions schematic diagram of nasal feeding pipe fitting first state provided by the embodiment of the utility model；
Fig. 3 is the structural schematic diagram of the second state of nasal feeding pipe fitting provided by the embodiment of the utility model；
Fig. 4 is the structural schematic diagram of the nasal feeding pipe fitting third state provided by the embodiment of the utility model；
Fig. 5 is the transversal cross-section structural schematic diagram in developing line area in Nasal gastrointestinal tube provided by the embodiment of the utility model；
Fig. 6 is the longitudinal cross-section structural schematic diagram in developing line area in Nasal gastrointestinal tube provided by the embodiment of the utility model.
In figure: 1- taper joint ontology；The channel 11-；2- metal plug division；3- double-turning-cover formula lid；31- main cover；
The auxiliary lid of 32-；311- through-hole；The main plug of 312-；3121- is big convex stupefied；The auxiliary plug of 321-；3211- is small convex stupefied；21- ladder
Shape structural body；0- tube body；01- developing line area.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, the indirect phase of intermediary can also be passed through
Even, it can be the connection inside two elements.For the ordinary skill in the art, can be understood with concrete condition above-mentioned
The concrete meaning of term in the present invention.
Fig. 1 is the first viewing angle constructions schematic diagram of nasal feeding pipe fitting first state provided by the embodiment of the utility model；Fig. 2
For the second viewing angle constructions schematic diagram of nasal feeding pipe fitting first state provided by the embodiment of the utility model；Fig. 3 is that this is practical new
The structural schematic diagram for the second state of nasal feeding pipe fitting that type embodiment provides；Fig. 4 is nasal feeding provided by the embodiment of the utility model
The structural schematic diagram of the pipe fitting third state.
As Figure 1-Figure 4, the utility model embodiment provides a kind of nasal feeding pipe fitting, comprising: taper joint ontology 1,
The inside of taper joint ontology 1 offers the channel 11 for circulating liquid；The small head end of taper joint ontology 1 is communicated with metal
Plug division 2, the stub end of taper joint ontology 1 are provided with double-turning-cover formula lid 3；Double-turning-cover formula lid 3 includes: and taper joint
The main cover 31 that ontology 1 connects, and the auxiliary lid 32 being connect with main cover 31；Main cover 31 offers the through-hole 311 for circulating liquid,
Main cover 31 is used for closed channel 11, and auxiliary lid 32 is for closing through-hole 311.
Compared with the existing technology, nasal feeding pipe fitting described in the utility model embodiment has the advantage that
In nasal feeding pipe fitting provided by the embodiment of the utility model, as Figure 1-Figure 4, comprising: taper joint ontology 1,
The inside of taper joint ontology 1 offers the channel 11 for circulating liquid；The small head end of taper joint ontology 1 is communicated with metal
Plug division 2, the stub end of taper joint ontology 1 are provided with double-turning-cover formula lid 3；Double-turning-cover formula lid 3 includes: and taper joint
The main cover 31 that ontology 1 connects, and the auxiliary lid 32 being connect with main cover 31；Main cover 31 offers the through-hole 311 for circulating liquid,
Main cover 31 is used for closed channel 11, and auxiliary lid 32 is for closing through-hole 311.From this analysis, the utility model embodiment provides
Nasal feeding pipe fitting in, due to being provided with double-turning-cover formula lid 3, can be connected to by channel 11 with infusion pipeline, with into
The liquid conveying such as nutrient solution of row large dosage, (auxiliary lid 32 is always to close to the main cover 31 of closing double-turning-cover formula lid 3 after conveying
Closed state), when needing to inject the liquid such as low dose of nutrient drug, opening auxiliary lid 32, (main cover 31 is still closing shape at this time
State), and injection delivery is carried out by through-hole 311, so that effectively solving existing nasal feeding pipe fitting is unfavorable for medical staff by connecing
The technical issues of injecting the liquid such as other low dose of nutrient drugs at mouthful for sufferer.In addition, provided by the embodiment of the utility model
It,, can when connecting nasal feeding pipe fitting and Nasal gastrointestinal tube tube body due to being provided with metal plug division 2 in nasal feeding pipe fitting
So that metal plug division 2 is inserted into the tube body of Nasal gastrointestinal tube, to realize close, firm connection effect, it effectively prevent loosening existing
The generation of elephant.
Wherein, in order to guarantee the sealing effect of main cover 31, nasal feeding pipe fitting provided by the embodiment of the utility model well
In, as shown in Figure 1, above-mentioned main cover 31 can be equipped with main plug 312, which can be filled in channel 11 to realize master
Sealing process of the lid 31 to channel 11；Also, as depicted in figs. 1 and 2, above-mentioned through-hole 311 can be axially through main plug
312, and the periphery of main plug 312 can circumferentially be equipped with a circle big convex stupefied 3121, can be equipped in channel 11 big convex stupefied with this
3121 matched major threads further increase the sealing of main cover 31 to dock by big convex stupefied 3121 with the matching of major thread
Property.
Wherein, in order to guarantee the sealing effect of auxiliary lid 32, nasal feeding pipe fitting provided by the embodiment of the utility model well
In, as shown in Figure 1-Figure 3, above-mentioned auxiliary lid 32 can be equipped with auxiliary plug 321, the auxiliary plug 321 can fill in through-hole 311 with
Realize auxiliary lid 32 to the sealing process of through-hole 311；Also, as shown in Figure 1-Figure 3, the periphery of above-mentioned auxiliary plug 321 circumferentially may be used
It is small by convex stupefied 3211 to be equipped with a circle, can be equipped in through-hole 311 with the small convex stupefied 3211 matched minor thread, thus by small convex
Stupefied 3211 dock with the matching of minor thread, further increase the leakproofness of auxiliary lid 32.
Specifically, in order to further effectively improve the compactness and stability after nasal feeding pipe fitting insertion Nasal gastrointestinal tube, this
In the nasal feeding pipe fitting that utility model embodiment provides, as Figure 1-Figure 4, the outside of above-mentioned metal plug division 2 may include
There is step structure body 21, to improve the contact of metal plug division 2 and Nasal gastrointestinal tube tube body by the step structure body 21
Friction, and then improve compactness and stability after insertion.
Further, as Figure 1-Figure 4, in nasal feeding pipe fitting provided by the embodiment of the utility model, metal plug division
2 outside may include having the above-mentioned step structure body 21 of second order.
The utility model embodiment also provides a kind of Nasal gastrointestinal tube, comprising: tube body and nose as described in any one of the above embodiments
Feeding tube connector；The nasal feeding pipe fitting is connected to by above-mentioned metal plug division 2 with one end of tube body.
Fig. 5 is the transversal cross-section structural schematic diagram in developing line area in Nasal gastrointestinal tube provided by the embodiment of the utility model；Fig. 6
For the longitudinal cross-section structural schematic diagram in developing line area in Nasal gastrointestinal tube provided by the embodiment of the utility model.
Wherein, in Nasal gastrointestinal tube provided by the embodiment of the utility model, as shown in Figure 5 and Figure 6, the side wall of above-mentioned tubular body 0
It can be equipped with developing line area 01 along axial, and the longitudinal cross-section in the developing line area 01 is rectangle；Correspondingly, the pipe shaft pair of tube body 0
Developing line area 01 is answered to be marked with graduation mark, so that it is intracorporal to determine that Nasal gastrointestinal tube gos deep into body by the developing line area 01 and graduation mark
Length simultaneously positions.
It should be added that, in Nasal gastrointestinal tube provided by the embodiment of the utility model, developing line area 01 is indulged herein
Practical development area can be effectively increased compared to existing sector crosssection for rectangle to section, and integral thickness is more evenly,
Therefore development effect has great promotion compared to existing.
When actual production manufactures, as shown in Fig. 5 combination following table, in Nasal gastrointestinal tube provided by the embodiment of the utility model, on
The size of the specification and developing line area 01 of stating tube body 0 specifically can be such that
| Specification | Outer diameter Φ | Outer diameter tolerance | Wall thickness a | b | c | Tolerance |
| CH8 | Φ2.70 | ±0.05 | 0.42 | 0.55 | 0.33 | ±0.02 |
| CH10 | Φ3.30 | ±0.05 | 0.50 | 0.65 | 0.39 | ±0.02 |
| CH12 | Φ4.00 | ±0.05 | 0.58 | 0.80 | 0.45 | ±0.02 |
| CH14 | Φ4.70 | ±0.05 | 0.66 | 0.95 | 0.51 | ±0.02 |
| CH16 | Φ5.30 | ±0.05 | 0.74 | 1.05 | 0.57 | ±0.02 |
Specifically, in Nasal gastrointestinal tube provided by the embodiment of the utility model, wire guide is equipped in above-mentioned tubular body 0, and should
The inner wall of tube body 0 is coated with hydrophilic layer.It is furnished with wire guide in tube body 0, it also can be at for the patient of stupor, dysphagia
Function sets pipe；The inner wall of tube body 0 is coated with hydrophilic layer, is more advantageous to the extraction of wire guide.
Further, in Nasal gastrointestinal tube provided by the embodiment of the utility model, above-mentioned tubular body 0 far from nasal feeding pipe fitting one
End can be built-in with gravity drop hammer.Such as: 5g gravity drop hammer structure can effectively prevent pipeline caused by gastric reflux surprisingly to deviate from；7g weight
Power hammer structure can effectively assist pipeline to be fed with WeiDongLi Capsule wriggling into small intestine.
Further, in Nasal gastrointestinal tube provided by the embodiment of the utility model, above-mentioned tubular body 0 is far from nasal feeding pipe fitting
One end tube wall can be equipped with multiple apertures being interspersed.When practical application, above-mentioned aperture can be divided into straight pass, side hole type and
Guide line style.
Straight pass:
Wire guide can effectively avoid unexpected exposing far from pipeline tapping, and can plug wire guide repeatedly；Pipeline
End straight hole can be by intervention seal wire, convenient in the underlying pipe operation of X-ray；Aperture is two and apart from short, and tube head part passes through
Aperture is not tended to have after pylorus to stay under one's belt, and the nutrient solution of outflow is caused to cause the stimulation to stomach, is more suitable for small intestine nursing.
Side hole type:
Big side opening decompression attraction is smooth, can effectively avoid plugging feeding and making liquid food by oneself；Top is using directly heat-sealing
Technology, surface is mellow and full, and the mucous membrane that stimulates digestion is reduced when setting pipe.
Guide line style:
Patient normal for WeiDongLi Capsule, light and thin wire guide band skirt, in stomach under the creeping effect of stomach
It is tolerant to be easy to pass through pylorus；Once pipe front end, by pylorus, gravity drop hammer can be drawn needed for pipe is moved downward to along small intestine
Position greatly improves the success rate that small intestine sets pipe, and patient is made to exempt the pain of deploying endoscope.
For the patient of no WeiDongLi Capsule, Microendoscopic clamps the wire guide of pipe head end with biopsy forceps and is sent into pylorus,
Endoscopically passes through pylorus together and enters small intestine and go deep into as far as possible to duodenum or Qu Shi ligament.
Nasal gastrointestinal tube provided by the embodiment of the utility model, mainly has the advantage that
It due to being provided with double-turning-cover formula lid 3, can be connected to by channel 11 with infusion pipeline, to carry out large dosage
The liquid conveying such as nutrient solution, the main cover 31 (auxiliary lid 32 is in off state always) of double-turning-cover formula lid 3 is closed after conveying,
When needing to inject the liquid such as low dose of nutrient drug, auxiliary lid 32 (main cover 31 is still in off state at this time) is opened, and lead to
It crosses through-hole 311 and carries out injection delivery, to effectively solve existing nasal feeding pipe fitting to be unfavorable for medical staff by interface to be disease
The technical issues of suffering from the liquid such as injection other low dose of nutrient drugs.
Due to being provided with metal plug division 2, when connecting nasal feeding pipe fitting and Nasal gastrointestinal tube tube body, gold can be made
Belong to plug division 2 to be inserted into the tube body of Nasal gastrointestinal tube, to realize close, firm connection effect, effectively prevent the hair of loose phenomenon
It is raw.
Since the longitudinal cross-section in developing line area 01 can effectively increase reality compared to existing sector crosssection for rectangle
Develop area, and integral thickness is more evenly, therefore development effect has great promotion compared to existing.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of nasal feeding pipe fitting characterized by comprising the inside of taper joint ontology, the taper joint ontology opens up
There is the channel for circulating liquid；The small head end of the taper joint ontology is communicated with metal plug division, the taper joint sheet
The stub end of body is provided with double-turning-cover formula lid；
The double-turning-cover formula lid includes: the main cover connecting with the taper joint ontology, and is connect with the main cover auxiliary
Lid；The main cover offers the through-hole for circulating liquid, and the main cover is for closing the channel, and the auxiliary lid is for closing
The through-hole.
2. nasal feeding pipe fitting according to claim 1, which is characterized in that the main cover is equipped with main plug, the main plug
It fills in the channel and realizes closing of the main cover to the channel；The through-hole is axially through the main plug, and institute
The periphery for stating main plug is big convex stupefied circumferentially arranged with a circle, is equipped in the channel and the big convex stupefied matched major thread.
3. nasal feeding pipe fitting according to claim 1, which is characterized in that described auxiliary to be covered with auxiliary plug, the auxiliary plug
The closing that the auxiliary lid is realized to the through-hole is filled in the through-hole；The periphery of the auxiliary plug is small convex circumferentially arranged with a circle
It is stupefied, it is equipped with and the small convex stupefied matched minor thread in the through-hole.
4. nasal feeding pipe fitting according to claim 1, which is characterized in that include ladder on the outside of the metal plug division
Shape structural body.
5. nasal feeding pipe fitting according to claim 4, which is characterized in that include second order on the outside of the metal plug division
Step structure body.
6. a kind of Nasal gastrointestinal tube characterized by comprising tube body, and it is such as above-mentioned of any of claims 1-5
Nasal feeding pipe fitting；The nasal feeding pipe fitting is connected to by the metal plug division with one end of the tube body.
7. Nasal gastrointestinal tube according to claim 6, which is characterized in that the side wall edge of the tube body is axially arranged with developing line
Area, and the longitudinal cross-section in the developing line area is rectangle；
The pipe shaft of the tube body corresponds to the developing line area and is marked with graduation mark.
8. Nasal gastrointestinal tube according to claim 6, which is characterized in that be equipped with wire guide, and the pipe in the tube body
The inner wall of body is coated with hydrophilic layer.
9. Nasal gastrointestinal tube according to claim 6, which is characterized in that the one end of the tube body far from the nasal feeding pipe fitting
It is built-in with gravity drop hammer.
10. Nasal gastrointestinal tube according to claim 6, which is characterized in that the tube body far from the nasal feeding pipe fitting one
End pipe wall is equipped with multiple apertures being interspersed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820049709.4U CN208641321U (en) | 2018-01-11 | 2018-01-11 | Nasal feeding pipe fitting, Nasal gastrointestinal tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820049709.4U CN208641321U (en) | 2018-01-11 | 2018-01-11 | Nasal feeding pipe fitting, Nasal gastrointestinal tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208641321U true CN208641321U (en) | 2019-03-26 |
Family
ID=65771690
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820049709.4U Active CN208641321U (en) | 2018-01-11 | 2018-01-11 | Nasal feeding pipe fitting, Nasal gastrointestinal tube |
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| Country | Link |
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| CN (1) | CN208641321U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111202684A (en) * | 2020-03-13 | 2020-05-29 | 江苏苏云医疗器材有限公司 | Nasogastric tube structure and machining die and machining method thereof |
-
2018
- 2018-01-11 CN CN201820049709.4U patent/CN208641321U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111202684A (en) * | 2020-03-13 | 2020-05-29 | 江苏苏云医疗器材有限公司 | Nasogastric tube structure and machining die and machining method thereof |
| CN111202684B (en) * | 2020-03-13 | 2021-03-12 | 江苏苏云医疗器材有限公司 | Machining die and machining method for nasogastric tube structure |
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Address after: 101200 No. 8, M2-5 District, Hing Valley Industrial Development Zone, Pinggu, Beijing Patentee after: BEIJING L&Z MEDICAL TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 100000, No. 8, M2-5 District, Xing Gu Industrial Development Zone, Pinggu County, Beijing Patentee before: BEIJING L&Z MEDICAL TECHNOLOGY DEVELOPMENT Co.,Ltd. |