CN109431813A - For replacing the device of Gastroenteritic pipe - Google Patents
For replacing the device of Gastroenteritic pipe Download PDFInfo
- Publication number
- CN109431813A CN109431813A CN201710773471.XA CN201710773471A CN109431813A CN 109431813 A CN109431813 A CN 109431813A CN 201710773471 A CN201710773471 A CN 201710773471A CN 109431813 A CN109431813 A CN 109431813A
- Authority
- CN
- China
- Prior art keywords
- tube body
- pipe
- gastroenteritic
- replacing
- spool
- Prior art date
- 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.)
- Pending
Links
- 230000003187 abdominal effect Effects 0.000 claims abstract description 10
- 230000002500 effect on skin Effects 0.000 claims abstract description 4
- 239000003570 air Substances 0.000 claims description 25
- 238000007789 sealing Methods 0.000 claims description 17
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 239000012080 ambient air Substances 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 208000031872 Body Remains Diseases 0.000 claims description 2
- 210000002784 stomach Anatomy 0.000 description 12
- 210000000936 intestine Anatomy 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 2
- 210000000683 abdominal cavity Anatomy 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 2
- 208000019505 Deglutition disease Diseases 0.000 description 1
- 206010016717 Fistula Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003890 fistula Effects 0.000 description 1
- 230000002496 gastric effect Effects 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 244000144985 peep Species 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Classifications
-
- 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
- A61J15/0015—Gastrostomy feeding-tubes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Surgery (AREA)
- Gastroenterology & Hepatology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
The invention discloses a kind of for replacing the device of Gastroenteritic pipe, including tube body, changes pipe fitting, air bag, inflation exhaust valve and constraint pad.It changes pipe fitting to be connected with one end of tube body, changes pipe fitting with central passage and the spool that central passage is truncated；Spool is equipped with opening portion, and opening portion can realize air seal, and the self-closed after the external device is extracted when external device passes through the opening portion.Tube body passes through air bag, and air bag is connected with the side wall of tube body.Tube body includes central through hole and filling channel；Central through hole is connected to the central passage for changing pipe fitting, and filling channel is connected to air bag and inflation exhaust valve respectively.Constraint cushion cover is located on tube body, which pads salable for being inserted into the surrounding dermal area of the abdominal incision of Gastroenteritic pipe；Frictional force between constraint pad and tube body can be such that relative position between the two remains unchanged.The present invention easily and quickly replaces Gastroenteritic pipe convenient for clinical manipulation personnel.
Description
Technical field
The present invention relates to a kind of devices for replacing Gastroenteritic pipe.
Background technique
Gastrointestinal fistulation is the nutritional support treatment method of the diseases such as dysphagia and tumor in digestive tract, sick after operation
People carries out note food by external stoma.Although Gastroenteritic pipe can indwelling for a long time in patient body,
There is certain duration of lien, after reaching duration of lien, it is necessary to replace to it, old Gastroenteritic pipe is taken away, is changed
Enter new Gastroenteritic pipe.It is special for replacing the tool of Gastroenteritic pipe due to lacking, currently, operator will complete stomach
The displacement of intestine fistulization pipe needs to spend longer time, not only influences working efficiency, but also increases the pain of patient.
Summary of the invention
Technical problem to be solved by the present invention lies in provide one kind easily and quickly to replace stomach convenient for clinical manipulation personnel
The device of intestine fistulization pipe.
In order to solve the above technical problems, the technical solution used in the present invention is:
It is a kind of for replacing the device of Gastroenteritic pipe, including tube body, change pipe fitting, air bag, inflation exhaust valve and
Constraint pad；It changes pipe fitting to be connected with one end of tube body, changes pipe fitting with central passage and the spool that central passage is truncated；
Spool is fixed in central passage；Spool is equipped with opening portion, and it is outer that opening portion can be close to this when external device passes through the opening portion
Air seal, and the self-closed after the external device is extracted are realized in the side of portion's instrument；Tube body passes through air bag, fills
Gas air bag and is connected close to the other end of tube body with the side wall of tube body；Tube body include positioned at body central central through hole and
Filling channel on tube wall is set；Central through hole is connected to the central passage for changing pipe fitting, filling channel respectively with fill
Gas air bag is connected to inflation exhaust valve；Constraint cushion cover is located on tube body, which pads salable for being inserted into Gastroenteritic pipe
The surrounding dermal area of abdominal incision enters abdominal incision to avoid outside ambient air；Friction between constraint pad and tube body
The relative position that power can be such that constraint pads between tube body remains unchanged, only in the case that external force overcomes the frictional force, constraint
Pad and tube body could generate Relative sliding.
After adopting the above technical scheme, can first endoscope be used to replace stomach and intestine and made by according to an embodiment of the present invention
The device of fistula is inserted into the fistulization oral of patient, then the stomach or enteron aisle that seal wire will be guided to be inserted into patient by the channel in endoscope
Target area, then withdraw from endoscope and the device for replacing Gastroenteritic pipe, along guidance seal wire insertion replacement stomach and intestine
Stoma finally withdraws from guidance seal wire, and existing so as to which Gastroenteritic pipe to be accurately inserted to the stomach of patient or the target area of enteron aisle
Some is completely dependent on operator and compares according to the mode of experience displacement Gastroenteritic pipe, shortens operating time, operates
Also more convenient and accurate.
Detailed description of the invention
Fig. 1 shows the structural schematic diagram of the device for replacing Gastroenteritic pipe according to a first embodiment of the present invention.
Fig. 2 shows show the section knot of the device for replacing Gastroenteritic pipe according to a first embodiment of the present invention
Structure schematic diagram.
The structure that Fig. 3 shows the spool of the device for replacing Gastroenteritic pipe according to a first embodiment of the present invention is shown
It is intended to.
Fig. 4 shows the structure of the sealing element of the device for replacing Gastroenteritic pipe according to a first embodiment of the present invention
Schematic diagram.
Fig. 5 shows the diagrammatic cross-section of the device for replacing Gastroenteritic pipe according to a second embodiment of the present invention.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
It please refers to Fig.1 to Fig.4.A kind of device for replacing Gastroenteritic pipe according to an embodiment of the invention includes pipe
Body 1 changes pipe fitting 2, air bag 3, inflation exhaust valve 4 and constraint pad 5.
It changes pipe fitting 2 to be connected with one end of tube body 1, change pipe fitting 2 with central passage 21 and cuts central passage 21
Disconnected spool 22.Spool 22 is fixed in central passage 21.Spool 22 is equipped with opening portion 221, and opening portion 221 can be in external device
It is close to the side of the external device when across the opening portion 221, realizes air seal, and is automatic after the external device is extracted
Closing, to keep air seal.In a specific application implementation mode, above-mentioned external device for example can be interior peep
Mirror.
In the present embodiment, the inner wall of the side of spool 22 and central passage 21 is interference fitted.As shown in figure 3, opening portion
221 be joint-cutting, and the shape of joint-cutting is linear type, but not limited to this, the shape of joint-cutting is also possible to cross, T-shaped or Y word
Shape.
It is equipped with it is preferred that changing pipe fitting 2 for limiting the mobile spool position limiting structure of spool 22.The spool position limiting structure
The pressing plate that step surface 210, pressing plate 23 and limitation pressing plate 23 including being set to the annular of 21 side wall of central passage move up
Spool position limiting structure.Spool 22 is pressed on the step surface 210 of annular.The bottom surface of pressing plate 23 is pressed on spool 22, the material of pressing plate 23
Rigid plastics can be used in matter.During pressing plate 23 is equipped with the short transverse extension along pressing plate 23, passes through for external device above-mentioned
Heart through-hole 231.Pressing plate position limiting structure is the first annular projection 211 being arranged on 21 inner wall of central passage for changing pipe fitting 2, the
One annular projection 211 is against the upper surface of pressing plate 23.
Further, changing pipe fitting 2 further includes sealing element 24, and sealing element 24 is fixed in central passage, and is located at spool
22 lower section.Sealing element 24 is equipped with the short transverse extension along sealing element 24, leads to for the center that external device above-mentioned passes through
Hole 241, and when above-mentioned external device is inserted into the central through hole 231, the hole wall of the central through hole 241 and the side of external device
The leakproofness of the device for replacing Gastroenteritic pipe of the present embodiment, Er Qieneng so not only can be enhanced in wall interference fit
User is enough set to obtain good operating handle when operating external device.Pipe fitting 2 is changed to be additionally provided with for limiting the shifting of sealing element 24
Dynamic sealing element position limiting structure.In the present embodiment, the inner wall of the side of sealing element 24 and central passage 21 is interference fitted.Sealing
Part position limiting structure is the second annular projection 212 being arranged on 21 inner wall of central passage for changing pipe fitting 2, the second annular projection
212 seal against the upper surface of part 24.In example in figure, the central through hole 241 of sealing element 24 is in rounding mesa-shaped, in order to
The insertion of external device.
The material of spool 22 and sealing element 24 can be silica gel, thermoplastic elastic body.
Tube body 1 passes through air bag 3, and air bag 3 and is connected close to the other end of tube body 1 with the side wall of tube body 1.Pipe
Body 1 includes the filling channel 12 for being located at the central through hole 11 of body central and being arranged on tube wall；Central through hole 11 with
The central passage 21 for changing pipe fitting 2 is connected to, and filling channel 12 is connected to air bag 3 and inflation exhaust valve 4 respectively, utilizes injection
Device can realize the inflation and exhaust to air bag 3 by inflation exhaust valve 4.In a kind of specific embodiment, inflation
Exhaust valve 4 has spool and abuts connected spring with spool, and the end of syringe overcomes the elastic force of spring to depress spool
Inflation or exhaust can be achieved afterwards, after removing syringe, the spool for inflating exhaust valve 5 can be automatic under the action of the elastic force of spring
It resets, and then closes inflation exhaust valve 4.PVC or TPU (thermoplastic polyurethane elastomer rubber can be used in the material of air bag 3
Glue)；Changing pipe fitting 2 can be realized by way of heat seal with tube body 1 and be connect with tube body 1, air bag 3, but not limited to this.
Constraint pad 5 is set on tube body 1, and constraint pad 5 is salable for being inserted into around the abdominal incision of Gastroenteritic pipe
Skin area enters abdominal incision to avoid outside ambient air.Frictional force between constraint pad 5 and tube body 1 can make to constrain pad 5
Relative position between tube body 1 remains unchanged, and only in the case that external force overcomes the frictional force, constraint pad 5 and tube body 1 are
Relative sliding can be generated.
In the present embodiment, constraint pad 5 includes collar portion 51 and from the outwardly extending gasket portion in the bottom of collar portion 51
52, collar portion 51 is set on tube body 1.The inner peripheral surface of collar portion 51 is equipped with annular projection 511, and annular projection 511 can increase
Frictional force between the inner peripheral surface of collar portion 51 and the outer peripheral surface of tube body 1.In example in figure, the quantity of annular projection 511
It is two, silica gel can be used in the material of constraint pad 5, but not limited to this.
In the clinical use present invention, first the Gastroenteritic pipe being replaced will be needed to take away, it then will be real according to the present invention
The tube body lower part for applying the device for replacing Gastroenteritic pipe of example is inserted into stomach or enteron aisle by fistulization oral.Air bag at this time
3 not yet inflate, therefore can follow in one of the insertion stomach of tube body 1 or enteron aisle.Then, by external syringe to air bag 3
Inflation, heaves air bag 3 and is tightly attached to stomach/enterostomy stoma inner wall, and then stomach or intestines is enable to touch the inner wall in abdominal cavity, together
When manual slip constrain pad 5, make constrain pad 5 gasket portion 52 be tightly attached on patient abdomen skin, to keep sealing, avoid
Outside ambient air enters abdominal incision.After loosing one's grip, constraining the frictional force between pad 5 and tube body 1 can make to constrain pad 5 and tube body 1
Between relative position remain unchanged, to can ensure that stomach or intestines can touch the inner wall in abdominal cavity.Then, endoscope is connect from pipe is changed
It is inserted at first 2, until protruding into the stomach of patient or the target area of enteron aisle, then seal wire will be guided to be inserted into the target by the channel in endoscope
Area.Guidance seal wire is retained in target area, and endoscope is withdrawn from into human body.Constraint pad 5 is unclamped, air bag 3 is deflated, by basis
The device for replacing Gastroenteritic pipe of the embodiment of the present invention is withdrawn from, then along the Gastroenteritic of guidance seal wire insertion replacement
Pipe finally withdraws from guidance seal wire, completes the displacement work of Gastroenteritic pipe.
Fig. 5 shows the diagrammatic cross-section of the device for replacing Gastroenteritic pipe according to a second embodiment of the present invention.
The second embodiment and above-mentioned first embodiment the difference is that, constrain the entire bottom surface and one of the gasket portion 52 of pad 5
The one side bonding of cloth insertion sheet 6 is connected, and cloth insertion sheet 6 is equipped with the through-hole passed through for tube body 1.The another side of cloth insertion sheet 6 makes
Used time is pasted on the skin of abdomen of patient, and covers the surrounding dermal area for being inserted into the abdominal incision of Gastroenteritic pipe,
To realize the purpose of excellent sealing, outside ambient air is avoided to enter abdominal incision.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of for replacing the device of Gastroenteritic pipe, which is characterized in that including tube body, change pipe fitting, air bag, inflation
Exhaust valve and constraint pad；
The pipe fitting that changes is connected with one end of the tube body, described to change pipe fitting with central passage and lead to the center
The spool of road truncation；The spool is fixed in the central passage；The spool is equipped with opening portion, and the opening portion can be outside
Portion's instrument is close to the side of the external device when passing through the opening portion, realize air seal, and after the external device is extracted
Self-closed；
The tube body passes through the air bag, the other end of the air bag close to the tube body, and the side wall with tube body
It is connected；The tube body includes the filling channel for being located at the central through hole of body central and being arranged on tube wall；In described
Heart through-hole is connected to the central passage for changing pipe fitting, and the filling channel is arranged with the air bag and the inflation respectively
Air valve connection；
The constraint cushion cover is located on the tube body, which pads salable for being inserted into the abdominal incision of the Gastroenteritic pipe
Surrounding dermal area, to avoid outside ambient air enter the abdominal incision；Friction between the constraint pad and tube body
The relative position that power can be such that constraint pads between tube body remains unchanged, only in the case that external force overcomes the frictional force, constraint
Pad and tube body could generate Relative sliding.
2. according to claim 1 for replacing the device of Gastroenteritic pipe, which is characterized in that the constraint pad includes set
Ring portion and the outwardly extending gasket portion in bottom from collar portion, the collar portion are set on the tube body.
3. according to claim 2 for replacing the device of Gastroenteritic pipe, which is characterized in that the inner circumferential of the collar portion
Face is equipped with annular projection.
4. according to claim 1 or 2 or 3 for replacing the device of Gastroenteritic pipe, which is characterized in that the constraint pad
Material be silica gel.
5. according to claim 2 or 3 for replacing the device of Gastroenteritic pipe, which is characterized in that the gasket portion
Entire bottom surface it is Nian Jie with the one side of a cloth insertion sheet be connected, the cloth insertion sheet is equipped with the through-hole passed through for the tube body.
6. according to claim 1 for replacing the device of Gastroenteritic pipe, which is characterized in that the pipe fitting that changes is equipped with
For limiting the mobile spool position limiting structure of the spool.
7. the device for being used to replace Gastroenteritic pipe according to claim 1 or 6, which is characterized in that the side of the spool
The inner wall of face and the central passage is interference fitted.
8. the device for being used to replace Gastroenteritic pipe according to claim 1 or 6, which is characterized in that the opening portion is
Joint-cutting, the shape of the joint-cutting are linear type, cross, T-shaped or Y-shaped.
9. according to claim 1 for replacing the device of Gastroenteritic pipe, which is characterized in that the pipe fitting that changes includes
Sealing element, the sealing element are fixed in the central passage, and are located at the lower section of the spool；The sealing element is equipped with edge
The central through hole that the short transverse of sealing element extends, passes through for the external device, and the hole wall of the central through hole and institute
State the side wall interference fit of external device.
10. according to claim 1 for replacing the device of Gastroenteritic pipe, which is characterized in that the air bag
Material is PVC or TPU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710773471.XA CN109431813A (en) | 2017-08-31 | 2017-08-31 | For replacing the device of Gastroenteritic pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710773471.XA CN109431813A (en) | 2017-08-31 | 2017-08-31 | For replacing the device of Gastroenteritic pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109431813A true CN109431813A (en) | 2019-03-08 |
Family
ID=65530002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710773471.XA Pending CN109431813A (en) | 2017-08-31 | 2017-08-31 | For replacing the device of Gastroenteritic pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109431813A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3659587A (en) * | 1970-06-30 | 1972-05-02 | Affiliated Hospital Prod | Valved connector arrangement |
| US4000739A (en) * | 1975-07-09 | 1977-01-04 | Cordis Corporation | Hemostasis cannula |
| US4673393A (en) * | 1984-12-28 | 1987-06-16 | Terumo Kabushiki Kaisha | Medical instrument |
| US4960412A (en) * | 1988-04-15 | 1990-10-02 | Universal Medical Instrument Corp. | Catheter introducing system |
| JPH08229135A (en) * | 1995-02-27 | 1996-09-10 | Nippon Zeon Co Ltd | Catheter set for anal fistula |
| US20050187524A1 (en) * | 2000-12-19 | 2005-08-25 | Willis Allan F. | Sealing valve assembly for medical products |
| US20060224131A1 (en) * | 2005-03-30 | 2006-10-05 | Deborah Calvert | Stoma devices and dressings and methods therefor |
| JP3161653U (en) * | 2010-05-25 | 2010-08-05 | 麗英 林 | Percutaneous endoscopic gastrostomy support band |
| CN105682727A (en) * | 2013-08-05 | 2016-06-15 | 恩多-塔格斯有限责任公司 | Transabdominal gastric surgery system and method |
| CN206152069U (en) * | 2016-08-29 | 2017-05-10 | 宣佶 | Synchronous stomach fistulization catheter kit of pipe and puncture and intubate for gastric fistula |
| CN206228751U (en) * | 2016-08-29 | 2017-06-09 | 宣佶 | Fistula seeks fistula hole probe and seeks fistula hole and the synchronous catheter kit of intubation after coming off |
| CN208552533U (en) * | 2017-08-31 | 2019-03-01 | 美昕医疗器械(昆山)有限公司 | For replacing the device of Gastroenteritic pipe |
-
2017
- 2017-08-31 CN CN201710773471.XA patent/CN109431813A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3659587A (en) * | 1970-06-30 | 1972-05-02 | Affiliated Hospital Prod | Valved connector arrangement |
| US4000739A (en) * | 1975-07-09 | 1977-01-04 | Cordis Corporation | Hemostasis cannula |
| US4673393A (en) * | 1984-12-28 | 1987-06-16 | Terumo Kabushiki Kaisha | Medical instrument |
| US4960412A (en) * | 1988-04-15 | 1990-10-02 | Universal Medical Instrument Corp. | Catheter introducing system |
| JPH08229135A (en) * | 1995-02-27 | 1996-09-10 | Nippon Zeon Co Ltd | Catheter set for anal fistula |
| US20050187524A1 (en) * | 2000-12-19 | 2005-08-25 | Willis Allan F. | Sealing valve assembly for medical products |
| US20060224131A1 (en) * | 2005-03-30 | 2006-10-05 | Deborah Calvert | Stoma devices and dressings and methods therefor |
| JP3161653U (en) * | 2010-05-25 | 2010-08-05 | 麗英 林 | Percutaneous endoscopic gastrostomy support band |
| CN105682727A (en) * | 2013-08-05 | 2016-06-15 | 恩多-塔格斯有限责任公司 | Transabdominal gastric surgery system and method |
| CN206152069U (en) * | 2016-08-29 | 2017-05-10 | 宣佶 | Synchronous stomach fistulization catheter kit of pipe and puncture and intubate for gastric fistula |
| CN206228751U (en) * | 2016-08-29 | 2017-06-09 | 宣佶 | Fistula seeks fistula hole probe and seeks fistula hole and the synchronous catheter kit of intubation after coming off |
| CN208552533U (en) * | 2017-08-31 | 2019-03-01 | 美昕医疗器械(昆山)有限公司 | For replacing the device of Gastroenteritic pipe |
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