CN108096034A - The jejunal nutrition conduit with stomach decompressor that can be sent by endoscopic forceps channel - Google Patents
The jejunal nutrition conduit with stomach decompressor that can be sent by endoscopic forceps channel Download PDFInfo
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- CN108096034A CN108096034A CN201711430031.0A CN201711430031A CN108096034A CN 108096034 A CN108096034 A CN 108096034A CN 201711430031 A CN201711430031 A CN 201711430031A CN 108096034 A CN108096034 A CN 108096034A
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- Prior art keywords
- nutrient canal
- stomach
- jejunal
- way connection
- jejunal nutrient
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J15/00—Feeding-tubes for therapeutic purposes
- A61J15/0003—Nasal or oral feeding-tubes, e.g. tube entering body through nose or mouth
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J15/00—Feeding-tubes for therapeutic purposes
- A61J15/0011—Feeding-tubes for delivery of nourishment to the mouth; Mouth pieces therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J15/00—Feeding-tubes for therapeutic purposes
- A61J15/0026—Parts, details or accessories for feeding-tubes
- A61J15/0053—Means for fixing the tube outside of the body, e.g. by a special shape, by fixing it to the skin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
- A61M25/0026—Multi-lumen catheters with stationary elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
- A61M25/0026—Multi-lumen catheters with stationary elements
- A61M2025/0037—Multi-lumen catheters with stationary elements characterized by lumina being arranged side-by-side
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/32—General characteristics of the apparatus with radio-opaque indicia
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Pulmonology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Otolaryngology (AREA)
- Biophysics (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Surgical Instruments (AREA)
Abstract
The jejunal nutrition conduit with stomach decompressor that can be sent by endoscopic forceps channel, including three-way connection, the first interface of three-way connection connects with one end of stomach relief pipe, the second interface of three-way connection connects with one end of negative-pressure drainage tube, jejunal nutrient canal is fitted in stomach decompression tube cavity, one end of jejunal nutrient canal is stretched out from the other end of stomach relief pipe, gap between stomach relief pipe and jejunal nutrient canal is connected by three-way connection with the inner cavity of negative-pressure drainage tube, the other end of jejunal nutrient canal is stretched out from the 3rd interface of three-way connection, the fastening cap being sleeved on jejunal nutrient canal is connected in the ends screw of the 3rd interface of three-way connection, the gum cover being sleeved on jejunal nutrient canal is set in fastening cap.It is simple in structure, insert it is easy to operate, insert during the visual field it is unaffected, not damaged to patient, the operating time is short, efficient the advantages of.
Description
Technical field
The present invention relates to a kind of jejunal nutrition conduit, particularly a kind of stomach decompression that carries that can be sent by endoscopic forceps channel fills
The jejunal nutrition conduit put.
Background technology
In recent years to deep and enteral nutrition technology the maturation of gastrointestinal tract 26S Proteasome Structure and Function research, more and more doctors
Recognize the importance of enteral nutrition.Compared with parenteral nutrition（Intravenous nutrition）It supports, the superiority of enteral nutrition, which is removed, to be embodied in
Nutrient directly through intestinal absorption, utilize, more meet physiology, convenient drug administration, low-cost outer, more display helps that enteron aisle is maintained to stick
The advantages of membrane structure and integrality of barrier function.Therefore when providing nutritional support mode, preferred enteral nutrition has become crowd
The common recognition of more clinicians.
Enteral nutrition is divided into two kinds at present：One kind is nasogastric tube nutrition, another suitable for the good patient of gastrointestinal function
It is through Nasal cavity intestinal tube nutrition, bad suitable for stomach function, but the patient that gut function is fair, some patientss need to carry out stomach simultaneously to subtract
Pressure, clinical demand is extensive, is mainly used for severe pancreatitis, surgical postoperative stomach paralysis, anastomotic leakage, intensive care patient, Yi Jichang
The patient for being unable to oral feeding of phase bed.
At present jejunal nutrient canal it is main it is blissful it is auspicious can/Fu Erkai jejunums pipe is, it is necessary to be carried out at the same time the three chambers battalion of gastrointestinal decompression
Support pipe it is main it is blissful it is auspicious can three chamber nutrient canals, mainly inserting approach has blindmate method to place, intervenes approach through gastroscope way and through x-ray.
It has the disadvantage that：
1. blindmate method is there are problem, the operating time is long, and labor intensive resource, success rate is low, and it is empty that multiple X-ray examination is needed to confirm
Nutrient canal of intestine head end is located in jejunum rather than in stomach, at present using less.
2. through gastroscope approach, after nutrient canal intranasal insertion stomach is interior, in oral insert gastroscope to stomach, the lower foreign body forceps of gastroscope direct-view
It clamps nutrient canal head end and is sent into jejunum, defect is as follows：
1. because foreign body forceps clamp nutrient canal head end, scope limited view, operation difficulty is larger, only experienced scope doctor
Just possess under scope through endoscope intuvation ability.
After 2. foreign body forceps clamping nutrient canal reaches precalculated position, because oesophagus is more narrow during mirror is moved back, shank may
Nutrient canal, which is taken out of, to be caused to put tube failure.
3. because of anatomical factors, gastroscope enters duodenum horizontal segment distal end more difficulty, crosses Qu Shi ligaments and is sent into jejunum
It is more difficult, it generally requires foreign body forceps clamping nutrient canal head end and is sent toward enteric cavity distal end is blind, because of the more bending of enteron aisle, there are larger
Security risk, clinically puts foreign body forceps clamping during pipe nutrient canal is blind enteric perforation when sending and emergency surgery operation has hair repeatly
It is raw.
If 4. there are Digestive Tract Stenosis or stomach and intestine anastomotic stenosis after surgery, scope can not be by, and empty bed contact time is more at this time
Difficulty often faces the situation for inserting failure.
Whether it is located in jejunum or clearly 5. some patientss also need to have an X-rayed clear and definite nutrient canal head end under x-ray after inserting
Head end whether warpage, if head end warpage in jejunum, need again the underlying pipe of gastroscope, to patient bring it is unnecessary pain with
Risk.
6. previously the jejunal nutrition part of three chamber nutrient canal gastrointestinal decompression side opening front ends is regular length, about 40cm, if
Small intestine is built into less than 40cm under scope, and part jejunal nutrition tube portion is in stomach, jejunal nutrient canal head end pole in such cases
It easily takes off in stomach, leads to the failure.
7. existing three chambers nutrient canal uses for normal anatomy crowd, stomach postoperative patient anatomy is complicated, and some patientss are empty
Enteral nutriment part can not be sent into previous anastomotic with remote 40cm at, it is adjustable new to be badly in need of a kind of head end jejunal nutrient canal partial-length
Nutrient canal, to meet individual patients situation demand.
3. intervening approach through x-ray, operating personnel operate whole be exposed under x-ray and operate, and seal wire passes through under some patientss x-ray
Pylorus is difficult, causes operation failure.If patient is stomach postoperative patient, because of anatomical factors, cannot be distinguished afferent loop or efferent loop or
Person's seal wire can not be by previous anastomotic, if there are benign and malignant stenosis, seal wire can not be by stenosis, and often faces the feelings of failure
Condition, and the operating time is long, operating personnel under x-ray, cause body centainly to endanger for a long time.And there are more for alimentary canal
Bending, most commonly tortuous in greater curvature, seal wire passes to reduced capability, often can not more go deep into indwelling jejunal nutrient canal.
The content of the invention
The object of the present invention is to provide it is a kind of it is simple in structure, insert it is easy to operate, insert during the visual field it is unaffected, right
Patient is not damaged, the operating time is short, efficient can be led by the jejunal nutrition with stomach decompressor that endoscopic forceps channel is sent into
Pipe, overcome the deficiencies in the prior art.
The jejunal nutrition conduit with stomach decompressor that can be sent by endoscopic forceps channel of the present invention, connects including three
Head, the first interface of three-way connection connect with one end of stomach relief pipe, the second interface of three-way connection and the one of negative-pressure drainage tube
End connects, and jejunal nutrient canal is fitted in stomach decompression tube cavity, and one end of jejunal nutrient canal is stretched out from the other end of stomach relief pipe,
Gap between stomach relief pipe and jejunal nutrient canal is connected by three-way connection with the inner cavity of negative-pressure drainage tube, jejunal nutrient canal
The other end stretched out from the 3rd interface of three-way connection, be connected in the end of the 3rd interface of three-way connection and be sleeved on jejunum battalion
The fastening cap on pipe is supported, is equipped with the gum cover being sleeved on jejunal nutrient canal in fastening cap, fastening cap is screwed compared with three-way connection
Afterwards, by the deformable squeeze jejunal nutrient canal of gum cover jejunal nutrient canal can be made to be relatively fixed with three-way connection.
The end head side of the stomach relief pipe is arranged with open-work.
The jejunal nutrition conduit with stomach decompressor that can be sent by endoscopic forceps channel of the present invention has following excellent
Point：
1st, jejunal nutrient canal is sent by endoscopic forceps channel rather than the past foreign body forceps by clamping nutrient canal after endoscopic forceps channel toward jejunum
Enter, the visual field is entirely unaffected by, as long as can operate gastroscope can put pipe, is no longer limited to experienced scope doctor operation.
2nd, jejunal nutrient canal uses counter force, nutrient canal is past along endoscopic forceps channel by endoscopic forceps channel indwelling when moving back mirror
In give, keep nutrient canal position constant, overcoming may be by nutrient canal " band during mirror is moved back after the underlying pipe of previous gastroscope
Go out " situation.
3rd, foreign body forceps is previously needed to clamp nutrient canal head end to send toward enteric cavity distal end is blind, there are greater risk, the present invention, scopes
It is sent into enteric cavity farthest, it is no longer necessary to it is blind to send, but soft seal wire is sent into toward enteric cavity distal end by endoscopic forceps channel, along seal wire again
Jejunal nutrient canal is sent into, there is no the situations of Alimentary Tract Perforation.
4th, there are the patients of alimentary canal benign and malignant stenosis or anastomotic stenosis after surgery also can easily insert nutrient canal, and scope is only
It needs to be sent at Digestive Tract Stenosis, seal wire is passed through stenosis by direct view under endoscope, using Seldinger technologies, is overcome under scope
Foreign body forceps clamping nutrient canal head end can not be used to cross the situation of stenosis.
5th, jejunal nutrient canal and stomach decompressor " applying mechanically ", stomach relief pipe front end jejunal nutrition length of tube can be according to clinical need
Adjusting is asked, meets the patient of special requirement, three chamber feeding tube fore-end length of the past is overcome to fix, is not suitable for alimentary canal art
Patient and other particular patients 's afterwards.
6th, overcome the underlying pipe gastroscope of gastroscope using Seldinger technologies under gastroscope and cross Qu Shi ligament difficulty phenomenons, stomach
Mirror enters duodenum horizontal segment and can be operated.
7th, seal wire is crossed the situation of narrow difficulty and can also be solved under x-ray, and because seal wire is tortuous in greater curvature, seal wire can not be more
The problem of deep feeding jejunum distal end, is also resolved.
8th, gastroscope combination x-ray and seal wire technology, the situation of nutrition tube head end warpage has not existed after endoscope intuvation.
9th, put pipe with reference to gastroscope and x-ray intervention approach, solve the intervention of simple x-ray put pipe seal wire can not be by pylorus and narrow
It is narrow, the situation of afferent loop efferent loop can not be distinguished, the operating time is short, greatly reduces x-ray exposure, reduces the harm to body.
Description of the drawings
Fig. 1 is the structure diagram of the specific embodiment of the invention；
Fig. 2 is that fastening cap is connected with cone-shaped plug in the specific embodiment of the invention, after cone-shaped plug and three-way connection grafting
Structure diagram.
Specific embodiment
As shown in Figure 1：The jejunal nutrition conduit with stomach decompressor that can be sent by endoscopic forceps channel of the present invention, bag
Three-way connection 1 is included, the first interface 11 of three-way connection 1 connects with one end of stomach relief pipe 2, the second interface 12 of three-way connection 1
Connect with one end of negative-pressure drainage tube 6, jejunal nutrient canal 3 is fitted in 2 inner cavity of stomach relief pipe, one end of jejunal nutrient canal 3 is certainly
The other end of stomach relief pipe 2 stretches out, and the gap 7 between stomach relief pipe 2 and jejunal nutrient canal 3 is drawn by three-way connection 1 with negative pressure
The inner cavity of flow tube 6 is connected, and the other end of jejunal nutrient canal 3 is stretched out from the 3rd interface 13 of three-way connection 1, in three-way connection 1
The ends screw of the 3rd interface 13 be connected with the fastening cap 4 being sleeved on jejunal nutrient canal 3, be equipped with and be sleeved in fastening cap 4
Gum cover 5 on jejunal nutrient canal 3 after fastening cap 4 is screwed compared with the 3rd interface 13 of three-way connection 1, can pass through the change of gum cover 5
Shape squeezes jejunal nutrient canal 3, and jejunal nutrient canal 3 is made to be relatively fixed with three-way connection 1.It is arranged in the end head side of stomach relief pipe 2
Open-work 14 is shown, for sucking liquid in stomach, plays decompression and use.
As shown in Figure 2：Fastening cap 4 can be also threadedly coupled with cone-shaped plug 15, and cone-shaped plug 15 is sleeved on jejunal nutrient canal 3
Outside, cone-shaped plug 15 form the connection mode of conical surface grafting with three-way connection 1.Negative-pressure drainage tube 6 can also pass through cone-shaped plug
15 form the connection mode of conical surface grafting with three-way connection.
The course of work：
Gastroscope is sent into duodenum horizontal segment by the 1st, conventional gastrocopy.
2nd, seal wire is sent by endoscopic forceps channel, seal wire is sent into duodenum horizontal segment with remote, Qu Shi is crossed under X-ray examination
Seal wire can be sent into deeper jejunum by ligament as needed.
3rd, using seal wire replacement technique, jejunal nutrient canal 3 is inserted along seal wire, Qu Shi ligaments are crossed under X-ray examination, until
It is satisfied with position.
4th, seal wire is exited, exits during gastroscope using counter force, nutrient canal in endoscopic forceps channel is sent into, makes sky
Nutrient canal of intestine 3 is held in place, until gastroscope is exited from mouth, so far nutrient canal indwelling is in mouth.Using ERCP indwelling nose courages
Manifold technology（Clinic used for more than 40 years）Nutrient canal " is involved " from nose.
5th, fixed outside nose, 3 outer head end of jejunal nutrient canal Rule cap connector waiting is transfused for nutrient solution.
6th, stomach decompressor is if desired used, after step 5, " stomach relief pipe 2 is inserted in along jejunal nutrient canal 3, is used in stomach
The 2 head end side opening of stomach relief pipe of decompression is located in stomach, and head end is fixed outside close to pyloric ostium or gastrointestinal anastomosis, nose.
7th, three-way connection 1 is accessed along jejunal nutrient canal 3, negative-pressure drainage tube 6 accesses stomach decompression box and carries out stomach decompression, jejunum battalion
It supports 3 the outside termination Rule cap connector of pipe to be transfused for nutrient solution, fastening cap 4 is screwed compared with the 3rd interface 13 of three-way connection 1
It can deform gum cover 5 and squeeze jejunal nutrient canal 3, jejunal nutrient canal 3 is made to be fixed compared with three-way connection 1.
8th, three-way connection 1 is accessed along jejunal nutrient canal 3, is penetrated by first interface 11, be pierced by by the 3rd interface 13, make interface
11 are connected with stomach relief pipe 2, then access fastening cap 4 along jejunal nutrient canal, and fastening cap is made to be connected with the 3rd interface 13 of three-way connection,
Fastening cap is tightened, deform gum cover 5 and squeezes jejunal nutrient canal 3, jejunal nutrient canal 3 is made to be fixed compared with three-way connection 13.
9th, 3 the outside termination Rule cap connector of jejunal nutrient canal is transfused for nutrient solution, and three-way connection second interface 12 is external
Negative-pressure drainage tube and negative pressure box carry out liquid in stomach and attract and depressurize.
Claims (2)
1. a kind of jejunal nutrition conduit with stomach decompressor that can be sent by endoscopic forceps channel, it is characterised in that：Including three
Pass joint（1）, three-way connection（1）First interface（11）With stomach relief pipe（2）One end connect, three-way connection（1）Second
Interface（12）With negative-pressure drainage tube（6）One end connect, in stomach relief pipe（2）Inner cavity is fitted with jejunal nutrient canal（3）, jejunum battalion
Support pipe（3）One end from stomach relief pipe（2）The other end stretch out, stomach relief pipe（2）With jejunal nutrient canal（3）Between gap
（7）Pass through three-way connection（1）With negative-pressure drainage tube（6）Inner cavity be connected, jejunal nutrient canal（3）The other end from three-way connection
（1）The 3rd interface（13）It stretches out, in three-way connection（1）The 3rd interface（13）End be connected with and be sleeved on jejunal nutrient canal
（3）On fastening cap（4）, fastening cap（4）Interior be equipped with is sleeved on jejunal nutrient canal（3）On gum cover（5）, fastening cap（4）Relatively
In three-way connection（1）After screwing, gum cover can be passed through（5）Deformable squeeze jejunal nutrient canal（3）, make jejunal nutrient canal（3）With three
Pass joint（1）It is relatively fixed.
2. the jejunal nutrition conduit with stomach decompressor according to claim 1 that can be sent by endoscopic forceps channel,
It is characterized in that：The stomach relief pipe（2）End head side be arranged with open-work（14）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711430031.0A CN108096034A (en) | 2017-12-26 | 2017-12-26 | The jejunal nutrition conduit with stomach decompressor that can be sent by endoscopic forceps channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711430031.0A CN108096034A (en) | 2017-12-26 | 2017-12-26 | The jejunal nutrition conduit with stomach decompressor that can be sent by endoscopic forceps channel |
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| CN108096034A true CN108096034A (en) | 2018-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711430031.0A Pending CN108096034A (en) | 2017-12-26 | 2017-12-26 | The jejunal nutrition conduit with stomach decompressor that can be sent by endoscopic forceps channel |
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| CN (1) | CN108096034A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114099348A (en) * | 2021-12-27 | 2022-03-01 | 安徽省立医院(中国科学技术大学附属第一医院) | Accurate dredging device for gastrointestinal tube blockage after gastrointestinal tumor operation and using method thereof |
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| CN201186108Y (en) * | 2008-05-07 | 2009-01-28 | 任培土 | Y type multifunctional gastrointestinal nutrient canal |
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| CN104856888A (en) * | 2015-04-11 | 2015-08-26 | 南京法迈特科技发展有限公司 | Deeply implanting instrument in intestinal tract |
| CN206548955U (en) * | 2016-11-22 | 2017-10-13 | 中国医科大学附属盛京医院 | Inhalational anesthesia device |
| CN208492721U (en) * | 2017-12-26 | 2019-02-15 | 大连医科大学附属第二医院 | The jejunal nutrition conduit with stomach decompressor that can be sent by endoscopic forceps channel |
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2017
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| CN201008562Y (en) * | 2007-04-09 | 2008-01-23 | 中国人民解放军第二军医大学 | Tumor-localizing aerostats in operation of imbedding digestive canal steel timber |
| CN201186108Y (en) * | 2008-05-07 | 2009-01-28 | 任培土 | Y type multifunctional gastrointestinal nutrient canal |
| CN203089938U (en) * | 2013-03-06 | 2013-07-31 | 贾长库 | Integral device with stomach suction tube and jejunum nutrition tube |
| CN203802833U (en) * | 2014-04-29 | 2014-09-03 | 陆安清 | Bifurcated type double-cavity feeding tube |
| CN104856888A (en) * | 2015-04-11 | 2015-08-26 | 南京法迈特科技发展有限公司 | Deeply implanting instrument in intestinal tract |
| CN206548955U (en) * | 2016-11-22 | 2017-10-13 | 中国医科大学附属盛京医院 | Inhalational anesthesia device |
| CN208492721U (en) * | 2017-12-26 | 2019-02-15 | 大连医科大学附属第二医院 | The jejunal nutrition conduit with stomach decompressor that can be sent by endoscopic forceps channel |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114099348A (en) * | 2021-12-27 | 2022-03-01 | 安徽省立医院(中国科学技术大学附属第一医院) | Accurate dredging device for gastrointestinal tube blockage after gastrointestinal tumor operation and using method thereof |
| CN114099348B (en) * | 2021-12-27 | 2023-10-20 | 安徽省立医院(中国科学技术大学附属第一医院) | Accurate dredging device for nasal intestinal canal blockage after digestive tract tumor operation and use method of accurate dredging device |
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