CN111134759A - Disposable three-cavity two-sac tube and manufacturing and using method thereof - Google Patents
Disposable three-cavity two-sac tube and manufacturing and using method thereof Download PDFInfo
- Publication number
- CN111134759A CN111134759A CN202010061922.9A CN202010061922A CN111134759A CN 111134759 A CN111134759 A CN 111134759A CN 202010061922 A CN202010061922 A CN 202010061922A CN 111134759 A CN111134759 A CN 111134759A
- Authority
- CN
- China
- Prior art keywords
- tube
- stomach
- joint
- catheter
- gastric
- 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
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
- A61B17/12136—Balloons
-
- 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
- A61M25/10—Balloon catheters
- A61M25/1011—Multiple balloon catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B2017/12004—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for haemostasis, for prevention of bleeding
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Vascular Medicine (AREA)
- Reproductive Health (AREA)
- Child & Adolescent Psychology (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a disposable three-cavity two-sac tube, which comprises a catheter, a stomach sac, an esophagus sac and an adapter, wherein the stomach sac, the esophagus sac and the adapter are connected with the catheter; the adapter is provided with an esophageal pouch joint, a gastric tube joint and a gastric pouch joint, the esophageal pouch joint, the gastric tube joint and the gastric pouch joint are all provided with luer joints, and the luer joints are provided with one-way valves; in the process of placing the tube, the hardness and softness of the tube are proper, the capsule body adhered to the tube wall is a compliance sacculus made of natural latex, the head end of the tube is a tip forming process, and the rear end connector is connected with a corresponding one-way valve.
Description
[ technical field ] A method for producing a semiconductor device
The invention belongs to the field of medical instruments, and particularly relates to a disposable three-cavity two-sac tube for physical hemostasis of esophageal and gastric varicose rupture and major hemorrhage.
[ background of the invention ]
The severe bleeding due to esophageal and gastric variceal rupture is the most dangerous complication of patients with hepatic cirrhosis and portal hypertension. It has acute onset, large amount of bleeding, violent disease, extremely poor prognosis, the death rate of the first bleeding is as high as about 50 percent, the incidence rate of the rebleeding within 6 weeks is 17 percent, and the incidence rate of the rebleeding within 2 years is about 80 percent. Generally, when the hemostatic drug is used, an effective physical hemostasis method, such as three-lumen two-capsule compression hemostasis, must be adopted in time, and although this method is gradually replaced by other non-operative treatment methods, it is still the first choice of medical units. The three-cavity two-sac tube clinically used at present has a lot of defects in operation, if inject into the esophagus bag, the stomach bag is gaseous when need use the hemostatic forceps holder to stop inserting injection gas repeatedly, thereby lead to the problem that gas leakage and inefficiency have influenced the rescue time, in addition because the current pipe adopts the pipe of rubber or natural latex material, its hardness is not enough, lead to pipe and esophagus bag and stomach bag not to conform to and insert, and some crowds can produce allergic phenomenon to the flexible glue, thereby delay the time of hemostasis first aid, delay the rescue opportunity and cause and be killed by the rescue personnel, and medical risk scheduling problem, provide a disposable three-cavity two-sac tube for this.
[ summary of the invention ]
Aiming at the technical problem, the invention provides a disposable three-cavity two-sac tube, which comprises a catheter, a stomach sac, an esophagus sac and an adapter, wherein the stomach sac, the esophagus sac and the adapter are connected with the catheter; the adapter is provided with an esophageal pouch joint, a gastric tube joint and a gastric pouch joint, the esophageal pouch joint, the gastric tube joint and the gastric pouch joint are all provided with luer joints, the luer joints are provided with one-way valves, and the one-way valves are also provided with luer joints; the one-way valve consists of a valve body, a piston arranged in the valve body, a spring arranged on the piston and a nutrient solution channel.
Preferably, a channel communicated with the esophageal pouch joint, the gastric tube joint and the gastric pouch joint is further arranged in the adapter connected with the catheter; the one-way valves arranged on the esophageal pouch joint, the gastric pouch joint and the gastric pouch joint comprise an esophageal one-way valve connected with the esophageal pouch joint, a gastric pouch one-way valve connected with the gastric pouch joint and a gastric pouch one-way valve connected with the gastric pouch joint, and a nutrient solution channel 16 is further arranged in a valve body 12 of the gastric pouch one-way valve 10.
Preferably, the catheter is also provided with an esophageal balloon inflation hole and a gastric balloon inflation hole which are matched with the gastric balloon and the esophageal balloon.
Preferably, the catheter is internally provided with an esophageal duct, a gastric tube and a gastric sac tube; the esophagus tube is communicated with the esophagus sac joint through a channel, the stomach tube is communicated with the stomach tube joint through a channel, the stomach sac tube is communicated with the stomach sac joint through a channel, and the esophagus tube, the stomach tube and the stomach sac tube are not communicated.
Preferably, one end of the catheter is provided with a smooth round tip.
Preferably, the catheter is made of any one of PET, PVC and PP.
A manufacturing and using method of a disposable three-cavity two-sac tube is characterized in that: comprises a manufacturing method and a using method; the specific content of the manufacturing method is as follows: one end of the catheter is processed into a smooth round-head tip, so that the catheter can be inserted into the oral cavity conveniently without damaging internal organs of the human body such as the oral cavity, the esophagus and the like; side holes are arranged on the side wall of the catheter to form an esophagus air inflation hole and a stomach air inflation hole; coating glue around the esophagus air inflation hole and the stomach air inflation hole of the catheter; then the esophagus sac is adhered to the esophagus sac inflation hole on the catheter, and the stomach sac is adhered to the stomach sac inflation hole on the catheter; connecting one end of the conduit with one end of the adapter; then, scale marks are printed on the wall of the conduit; connecting the other end of the adapter with the esophageal pouch joint, the gastric tube joint and the gastric pouch joint to enable the connectors to be communicated with corresponding channels in the adapter, and finally enabling the esophageal pouch joint, the gastric tube joint and the gastric pouch joint to be communicated with the esophageal tube, the gastric tube and the gastric pouch tube; correspondingly installing an esophagus one-way valve, a stomach tube one-way valve and a stomach sac one-way valve on the esophagus sac joint, the stomach tube joint and the Ruhr joint of the stomach sac joint to finish the manufacture;
the specific contents of the using method are as follows: the round-head tip of the catheter is placed into the body through the oral cavity, and the placement depth is judged through scale marks on the wall of the catheter; connecting the syringe with the esophagus one-way valve, and repeatedly injecting air to make the esophageal pouch fully expand to press bleeding points of the esophageal section of the human body; connecting the injector to the one-way valve of the stomach bag, and repeatedly injecting air to inflate and expand the stomach bag so as to fix the position of the disposable three-cavity two-bag in the body; then the stomach tube one-way valve is screwed off from the stomach tube connector, the negative pressure suction connector is inserted into the stomach pouch connector, and the effusion in the stomach is absorbed out of the body; then rotatably installing a stomach tube one-way valve on a luer connector of a stomach sac connector, and injecting nutrient solution into the stomach by using an injector through the stomach tube one-way valve to finish use; after the use, the corresponding esophagus one-way valve and the corresponding stomach bag one-way valve on the Ruhr joint of the esophagus bag joint and the stomach bag joint are rotated and screwed off, so that the gas in the esophagus bag and the stomach bag is discharged, and the tube with the three cavities and the two bags is pulled out from the body.
In the process of placing the tube, the hardness and softness of the tube are proper, the capsule body adhered to the tube wall is a compliance sacculus made of natural latex, the head end of the tube is a tip forming process, and the rear end connector is connected with a corresponding one-way valve.
[ description of the drawings ]
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic view of the construction of the check valve of the present invention;
FIG. 4 is a schematic view of the one-way valve of the present invention without gas or nutrient solution injection;
fig. 5 is a schematic structural view of the gastric tube one-way valve of the present invention;
FIG. 6 is a schematic view of the esophageal pouch of example 1 after inflation;
FIG. 7 is a schematic view of the esophageal and gastric pouch of example 1 after inflation;
FIG. 8 is a schematic view of embodiment 2 showing aspiration of fluid from the stomach through a negative pressure aspiration connector;
FIG. 9 is a schematic illustration of the injection of nutrient solution into the stomach of example 2.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings and examples, which are given by way of illustration and are not intended to limit the scope of the invention.
Example 1
Referring to fig. 1-3, the invention discloses a disposable three-cavity two-sac tube and a manufacturing and using method thereof, the tube comprises a catheter 1, a stomach sac 3, an esophagus sac 2 and an adapter 4 which are connected with the catheter 1, and the catheter 1 is further provided with a scale mark 101; the adapter 4 is provided with an esophageal pouch connector 5, a gastric tube connector 6 and a gastric pouch connector 7, the esophageal pouch connector 5, the gastric tube connector 6 and the gastric pouch connector 7 are all provided with luer connectors 13, one-way valves 8 are mounted on the luer connectors 13, and the one-way valves 8 are also provided with the luer connectors 13; the check valve 8 consists of a valve body 12, a piston 14 arranged in the valve body and a spring 15 arranged on the piston 14 and connected with the interior of the valve body 12; the stomach bag 3 and the esophagus bag 2 are bonded with the catheter 1; the catheter 1 is connected with the adapter 4; a channel 401 communicated with an esophageal pouch joint 5, a stomach tube joint 6 and a stomach pouch joint 7 is also arranged in the adapter 4 connected with the catheter 1; the one-way valves 8 arranged on the esophageal pouch joint 5, the gastric tube joint 6 and the gastric pouch joint 7 comprise an esophageal one-way valve 9 connected with the esophageal pouch joint 5, a gastric tube one-way valve 10 connected with the gastric tube joint 6 and a gastric pouch one-way valve 11 connected with the gastric pouch joint 7, and a nutrient solution channel 16 is also arranged in a valve body 12 of the gastric tube one-way valve 10; the catheter 1 is also provided with an esophageal balloon inflation hole 17 and a gastric balloon inflation hole 18 which are matched with the gastric balloon 3 and the esophageal balloon 2; an esophageal tube 19, a gastric tube 20 and a gastric sac tube 21 are arranged in the catheter 1; the esophageal tube 19 is communicated with the esophageal pouch joint 5 through a channel 401, the gastric tube 20 is communicated with the gastric tube joint 8 through the channel 401, the gastric pouch tube 19 is communicated with the gastric pouch joint 10 through the channel 401, and the esophageal tube 19, the gastric tube 20 and the gastric pouch tube 21 are not communicated with each other; one end of the catheter 1 is provided with a smooth round-head tip 102; the catheter 1 is made of any one of PET, PVC and PP.
When in manufacture, one end of the catheter 1 is processed into a smooth round tip 102, so that the catheter can be inserted from the oral cavity conveniently without damaging internal organs of the human body such as the oral cavity, the esophagus and the like; a side hole is arranged on the side wall of the catheter 1 to form an esophageal balloon inflation hole 17 and a gastric balloon inflation hole 18; glue is coated around the esophagus air inflation hole 17 and the stomach air inflation hole 18 of the catheter; then the esophagus sac 2 is bonded at the esophagus sac inflation hole 17 on the catheter 1, and the stomach sac 3 is bonded at the stomach sac inflation hole 18 of the catheter 1; connecting one end of the conduit 1 with one end of the adapter 4; then, the scale mark 101 is printed on the wall of the catheter 1; connecting the other end of the adapter 4 with the esophageal pouch joint 5, the gastric tube joint 6 and the gastric pouch joint 7 to communicate with corresponding channels 401 in the adapter 4, and finally communicating the esophageal pouch joint 5, the gastric tube joint 6 and the gastric pouch joint with the esophageal tube 19, the gastric tube 20 and the gastric pouch tube 21; correspondingly installing an esophagus one-way valve 9, a stomach tube one-way valve 10 and a stomach bag one-way valve 11 on Ruhr joints 13 of the esophagus bag joint 5, the stomach tube joint 6 and the stomach bag joint 7 to finish the manufacture.
Referring to fig. 4-5, firstly, the round-head tip 102 of the catheter 1 is placed into the body through the oral cavity, and the placement depth is judged through the scale marks 101 on the wall of the catheter 1; connecting the syringe with the esophagus one-way valve 9, and repeatedly injecting air to ensure that the esophagus sac 2 is inflated to press the bleeding point of the esophagus section of the human body; the injector is connected to the one-way valve 11 of the stomach bag, and air is injected repeatedly to inflate the stomach bag 3 so as to fix the position of the disposable three-cavity two-bag in the body.
Example 2
Referring to fig. 6-7, the difference between this embodiment and embodiment 1 lies in the usage and usage of the triple-strength double-balloon catheter for different disease states of patients; firstly, the stomach tube one-way valve 9 is screwed off from the stomach tube joint 6 in a rotating way, the negative pressure suction joint 22 is inserted into the stomach pouch joint 7, and effusion in the stomach is absorbed out of the body; then, the stomach tube one-way valve 9 is rotatably installed on a Ruhr joint 13 of the stomach bag joint 7, nutrient solution is injected into the stomach tube one-way valve 9 by using an injector, the piston and the spring are compressed towards the direction of the catheter due to the injection pressure after the nutrient solution passes through a feeding hole 121, a material channel is formed between the piston 14 and the interior of the valve body 12, and finally the nutrient solution flows into the stomach tube 6 through a nutrient solution channel 16 and a discharging hole 122 in the valve body (12) and enters the stomach; when the injector does not inject, the piston is reset under the action of the spring, so that the nutrient solution is prevented from overflowing; after use, the esophagus one-way valve 9 and the stomach one-way valve 11 which correspond to the esophagus one-way valve 5 and the stomach one-way valve 13 on the Ruhr connector 7 are rotated and unscrewed, so that the gas in the esophagus 2 and the stomach 3 is exhausted, and the tube with the three cavities and the two bags is pulled out from the body.
According to the invention, the material of the catheter is one of PET, PVC or PP, so that the hardness of the catheter is improved, the problem that the catheter is difficult to insert into a human body due to insufficient hardness of the rubber or natural latex catheter in the prior art is solved, and the problem that part of patients are allergic to the natural latex is also avoided; corresponding one-way valves are detachably connected to the esophageal pouch connector 5, the gastric tube connector 6 and the gastric pouch connector 7, so that when a patient with esophageal rupture who has a large bleeding is rescued, the operation in the whole process is simple and safe, an operating doctor does not need to clamp the connectors by using forceps repeatedly in the inflation process, more time is won for rescue, and risks such as doctor-patient disputes are avoided.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (7)
1. A disposable three-cavity two-sac tube comprises a catheter (1), an esophagus sac (2) connected with the catheter (1), a stomach sac (3) and an adapter (4), wherein the catheter (1) is further provided with a scale mark (101); the method is characterized in that: the adapter (4) is provided with an esophageal pouch connector (5), a gastric tube connector (6) and a gastric pouch connector (7), the esophageal pouch connector (5), the gastric tube connector (6) and the gastric pouch connector (7) are respectively provided with a Ruhr connector (13), and the Ruhr connector (13) is provided with a one-way valve (8); the check valve (8) consists of a valve body (12), a piston (14) arranged in the valve body and a spring (15) arranged on the piston (14) and connected with the interior of the valve body (12); the valve body (12) is also provided with a Ruhr joint (13), and the valve body is also provided with a feeding hole (121) and a discharging hole (122).
2. A disposable tricompartment catheter according to claim 1, wherein: a channel (401) communicated with the esophageal pouch joint (5), the stomach tube joint (6) and the stomach pouch joint (7) is also arranged in the adapter (4) connected with the catheter (1); one-way valve (8) installed on esophagus bag joint (5), stomach tube joint (6) and stomach bag joint (7) include esophagus one-way valve (9) connected with esophagus bag joint (5), stomach tube one-way valve (10) connected with stomach tube joint (6), stomach bag one-way valve (11) connected with stomach bag joint (7), valve body (12) of stomach tube one-way valve (10) in still be equipped with nutrient solution passageway (16).
3. A disposable tricompartment catheter according to claim 2, wherein: the catheter (1) is also provided with an esophageal balloon inflation hole (17) and a gastric balloon inflation hole (18) which are matched with the gastric balloon (3) and the esophageal balloon (2).
4. A disposable tricompartment catheter according to claim 2, wherein: an esophageal tube (19), a gastric tube (20) and a gastric sac tube (21) are arranged in the catheter (1); the esophagus tube (19) is communicated with the esophageal pouch joint (5) through the channel (401), the gastric tube (20) is communicated with the gastric tube joint (6) through the channel (401), the gastric pouch tube (19) is communicated with the gastric pouch joint (7) through the channel (401), and the esophagus tube (19), the gastric tube (20) and the gastric pouch tube (21) are not communicated with each other.
5. The disposable tricompartment catheter according to claim, wherein: one end of the catheter (1) is provided with a smooth round-head tip (102).
6. A disposable Sengstaken-Blakemore tube according to any one of claims 3 to 5, wherein: the material of the catheter (1) is any one of PET, PVC and PP.
7. A manufacturing and using method of a disposable three-cavity two-sac tube is characterized in that: comprises a manufacturing method and a using method; the specific content of the manufacturing method is as follows:
one end of the catheter (1) is processed into a smooth round-head tip (102), so that the catheter can be inserted from the oral cavity conveniently without damaging internal organs of a human body such as the oral cavity, an esophagus and the like; a side hole is arranged on the side wall of the catheter (1) to form an esophagus balloon inflation hole (17) and a stomach balloon inflation hole (18); glue is coated around the esophagus air inflation hole (17) and the stomach air inflation hole (18) of the catheter; then the esophagus sac (2) is bonded at the esophagus sac inflation hole (17) on the catheter (1), and the stomach sac (3) is bonded at the stomach sac inflation hole (18) of the catheter (1); connecting one end of the conduit (1) with one end of the adapter (4); then, printing scale marks (101) on the wall of the catheter (1); the other end of the adapter (4) is connected with the esophageal pouch connector (5), the gastric tube connector (6) and the gastric pouch connector (7) to be communicated with corresponding channels (401) in the adapter (4), and finally the esophageal pouch connector (5), the gastric tube connector (6) and the gastric pouch connector are communicated with the esophageal duct (19), the gastric tube (20) and the gastric pouch tube (21); correspondingly installing an esophagus one-way valve (9), a stomach tube one-way valve (10) and a stomach sac one-way valve (11) on the Ruhr joints (13) of the esophagus sac joint (5), the stomach tube joint (6) and the stomach sac joint (7) to finish the manufacture;
the specific contents of the using method are as follows: the round-head tip (102) of the catheter (1) is placed into a body through an oral cavity, and the placement depth is judged through a scale mark (101) on the wall of the catheter (1); connecting the injector with the esophagus one-way valve (9), and repeatedly injecting air to make the esophagus sac (2) inflated to press the bleeding point of the esophagus section of the human body; then connecting the injector to the one-way valve (11) of the stomach bag, and repeatedly injecting air to ensure that the stomach bag (3) is inflated and expanded to fix the position of the disposable three-cavity two-bag in the body; then the stomach tube one-way valve (9) is screwed off from the stomach tube joint (6) in a rotating way, the negative pressure suction joint is inserted into the stomach pouch joint (7), and effusion in the stomach is absorbed out of the body; then rotatably installing a stomach tube one-way valve (9) on a luer connector (13) of a stomach sac connector (7), and injecting nutrient solution into the stomach by using a syringe through the stomach tube one-way valve (9) to finish use; after use, the esophagus one-way valve (9) and the stomach one-way valve (11) which correspond to the esophagus one-way valve and the stomach one-way valve on the Ruhr joint (13) of the esophagus joint (5) and the stomach joint (7) are rotated and screwed off, so that the gas in the esophagus capsule (2) and the stomach capsule (3) is discharged, and the tube with the two cavities and the two capsules is pulled out from the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010061922.9A CN111134759A (en) | 2020-01-19 | 2020-01-19 | Disposable three-cavity two-sac tube and manufacturing and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010061922.9A CN111134759A (en) | 2020-01-19 | 2020-01-19 | Disposable three-cavity two-sac tube and manufacturing and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111134759A true CN111134759A (en) | 2020-05-12 |
Family
ID=70526245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010061922.9A Pending CN111134759A (en) | 2020-01-19 | 2020-01-19 | Disposable three-cavity two-sac tube and manufacturing and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111134759A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112245772A (en) * | 2020-10-19 | 2021-01-22 | 四川大学华西医院 | Monitoring regulation and control device of adjustable two sacs three chambeies intraductal air pressure |
| CN114469743A (en) * | 2020-10-23 | 2022-05-13 | 深圳迈瑞生物医疗电子股份有限公司 | Stomach tube subassembly |
| CN114469745A (en) * | 2020-10-23 | 2022-05-13 | 深圳迈瑞生物医疗电子股份有限公司 | Stomach tube subassembly |
| CN114469744A (en) * | 2020-10-23 | 2022-05-13 | 深圳迈瑞生物医疗电子股份有限公司 | Stomach tube subassembly |
-
2020
- 2020-01-19 CN CN202010061922.9A patent/CN111134759A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112245772A (en) * | 2020-10-19 | 2021-01-22 | 四川大学华西医院 | Monitoring regulation and control device of adjustable two sacs three chambeies intraductal air pressure |
| CN112245772B (en) * | 2020-10-19 | 2022-05-06 | 四川大学华西医院 | Monitoring regulation and control device of adjustable two sacs three chambeies intraductal air pressure |
| CN114469743A (en) * | 2020-10-23 | 2022-05-13 | 深圳迈瑞生物医疗电子股份有限公司 | Stomach tube subassembly |
| CN114469745A (en) * | 2020-10-23 | 2022-05-13 | 深圳迈瑞生物医疗电子股份有限公司 | Stomach tube subassembly |
| CN114469744A (en) * | 2020-10-23 | 2022-05-13 | 深圳迈瑞生物医疗电子股份有限公司 | Stomach tube subassembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111134759A (en) | Disposable three-cavity two-sac tube and manufacturing and using method thereof | |
| JP3924033B2 (en) | Device for forming a hole in the tracheal wall | |
| CN209074809U (en) | The anti-gas-leak air bag of fixed laparoscope puncture casing | |
| CN103405845B (en) | A kind of Ileum fistulization tube | |
| CN204170277U (en) | There is the stomach tube of local hemostasis effect | |
| CN213048922U (en) | Novel esophagus dilating balloon catheter | |
| CN211357363U (en) | Self-guiding balloon catheter under endoscope | |
| CN211723315U (en) | Disposable three-cavity two-sac tube | |
| CN107468292A (en) | Varicocele ligatures puncture outfit under a kind of laparoscope | |
| US20090099515A1 (en) | Trans-cervical catheter having a conical-shaped balloon | |
| CN111420243A (en) | Novel esophagus dilating balloon catheter | |
| CN101268925A (en) | Back-stream preventing gastroscope casing tube | |
| CN209751702U (en) | Stomach tube for preventing stomach reflux | |
| CN201500154U (en) | Three-channel double-balloon catheter for treating hemorrhage of digestive tract | |
| CN210844890U (en) | Balloon catheter capable of passing through guide wire under guidance of endoscope | |
| CN211383379U (en) | Endoscope guided lower balloon catheter | |
| KR200191611Y1 (en) | Endotracheal tube | |
| CN210277306U (en) | Trocar for treating cystic cirrhosis | |
| CN209809242U (en) | Improved trachea cannula | |
| CN208959108U (en) | Hysterosalpingography device | |
| CN207323521U (en) | A kind of guiding tube for being exclusively used in laparoscope sleeve-like gastrectomy | |
| CN219662604U (en) | Three-cavity two-bag tube for esophagus pressurization radiography | |
| CN215778348U (en) | Alimentary canal shutoff sacculus | |
| CN219835991U (en) | Double-balloon tracheotomy catheter | |
| CN219847796U (en) | Gastric calibration tube for weight reduction operation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |