Nasogastric feeding tube

Abstract

The utility model discloses a nasogastric feeding tube, comprising a tube body, wherein a transparent flexible airbag is arranged at the front end of the outer wall of the tube body along the circumferential direction, and the front end of the transparent flexible airbag is turned inward to form an airbag covering portion covering the front edge of the tube body; a first blowing tube connected to the transparent flexible airbag is arranged inside the tube wall of the tube body, and the air inlet end of the first blowing tube is sealed and passed out from the tube wall of the tube body near the rear end, and the end thereof has a first sealing joint for docking with an air injection device. The utility model has the advantage that by arranging a transparent flexible airbag at the front end of the tube body, the transparent flexible airbag is inflated after the tube body is extended into the patient's stomach through the nasal cavity, so that the front end of the tube body forms a flexible package, effectively preventing the front end of the tube body from rigidly contacting the inner wall of the patient's gastrointestinal tract, avoiding irritation to the gastrointestinal mucosa, and avoiding related complications such as gastrointestinal mucosal ulcers or erosion and bleeding.

Description

Technical Field

[0001] The utility model relates to the technical field of medical consumables, in particular to a nasogastric feeding tube which can effectively prevent stimulation to gastrointestinal mucosa. Background Art

[0002] At present, clinically, patients with critical illnesses who cannot eat orally (such as patients with gastrointestinal bleeding, cerebral hemorrhage, acute pancreatitis, craniocerebral injury, etc.) need to have a nasogastric feeding tube for a long time. The front end of the existing nasogastric feeding tube is generally hard. If it is left in the patient's gastrointestinal tract for a long time, the front end of the tube will often touch the inner wall of the gastrointestinal tract with the peristalsis of the gastrointestinal tract, causing irritation to the gastrointestinal mucosa, and then causing ulcers or erosion bleeding and other related complications. Summary of the invention

[0003] The utility model aims to provide a nasogastric feeding tube which can effectively prevent irritation to the gastrointestinal mucosa in view of the defects of the prior art.

[0004] In order to achieve the above purpose, the utility model can adopt the following technical solutions:

[0005] The nasogastric feeding tube described in the utility model includes a tube body, and a transparent flexible air bag is arranged on the front end of the outer wall of the tube body along the circumferential direction, and the front end of the transparent flexible air bag is turned inward to form an air bag covering part covering the front edge of the tube body; a first air blowing tube connected to the transparent flexible air bag is arranged inside the tube wall of the tube body, and the air inlet end of the first air blowing tube is sealed and passed through the tube wall of the tube body near the rear end, and the end thereof has a first sealing joint for connecting to the gas injection equipment.

[0006] The advantage of the utility model is that a transparent flexible airbag is arranged at the front end of the tube body, so that when the tube body is extended into the patient's stomach through the nasal cavity, the transparent flexible airbag is inflated to form a flexible package at the front end of the tube body, effectively preventing the front end of the tube body from rigidly contacting the inner wall of the patient's gastrointestinal tract, avoiding irritation to the gastrointestinal mucosa, and avoiding related complications such as gastrointestinal mucosal ulcers or erosion bleeding.

[0007] Furthermore, a gastroscopic capsule is fixedly arranged in the airbag covering portion, and the gastroscopic capsule can collect images through the transparent airbag covering portion, so as to use the gastroscopic capsule to observe in real time the situation of the tube body extending into the patient's body.

[0008] Furthermore, a developing line is arranged on the tube body along the length direction.

[0009] Furthermore, a support airbag for supporting the patient's esophagus is circumferentially arranged on the outer wall of the tube body behind the transparent flexible airbag, and the support airbag is composed of an annular bag cavity with a gap sleeved on the outer wall of the tube body and a plurality of cylindrical bag cavities evenly distributed in the inner gap of the annular bag cavity. Therefore, when the annular bag cavity and the cylindrical bag cavity are inflated and blown up, a certain gap can be ensured to be formed between the annular bag cavity and the outer wall of the tube body to avoid blocking the esophagus; a second blowing tube connected to the support airbag is arranged in the tube wall of the tube body, and the air inlet end of the second blowing tube is sealed and penetrated from the tube wall of the tube body near the rear end, and the end thereof has a second sealing joint for docking with the gas injection equipment, and the support airbag is blown into the support airbag through the second blowing tube, so that the support airbag is supported in the patient's esophagus, thereby further fixing the tube body.

[0010] Furthermore, the first sealing joint and the second sealing joint are both Luer joints, so as to directly connect a syringe to inflate the transparent flexible airbag and the support airbag, and ensure that the transparent flexible airbag and the support airbag are leak-proof when the syringe is removed.

[0011] Furthermore, a lubricating coating is applied on the outer wall of the transparent flexible airbag and the annular cavity, so that the tube body can be extended into the patient's body through the nasal cavity, or can be withdrawn from the patient's body. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model.

[0013] Figure 2 yes Figure 1 A magnified cross-sectional view of the transparent flexible airbag.

[0014] Figure 3 yes Figure 1 Enlarged cross-sectional view of the middle support airbag.

[0015] Figure 4 yes Figure 3 A-direction view. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0018] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features.

[0019] like Figure 1 , 2 As shown, the nasogastric feeding tube of the utility model comprises a tube body 1 for artificial feeding, a transparent flexible air bag 2 is arranged on the front end of the outer wall of the tube body 1 along the circumferential direction, the wall of the transparent flexible air bag 2 is circular, the front end of the transparent flexible air bag 2 is turned inward to form an air bag covering part 3 covering the front edge of the tube body 1; in addition, a first blowing tube 4 connected to the transparent flexible air bag 2 is arranged in the tube wall of the tube body 1, the air inlet end of the first blowing tube 4 is sealed and penetrated from the tube wall of the tube body 1 near the rear end, and the end thereof has a A first sealing joint 5 connected to the gas injection device can be a Luer joint, which can be convenient for directly connecting a syringe to inflate the transparent flexible airbag 2 to expand the transparent flexible airbag 2, thereby forming a flexible package for the front end of the tube body 1; at the same time, the first sealing joint 5 using the Luer joint can also ensure that the first air blowing tube 4 does not leak when the syringe is removed, and the gas in the transparent flexible airbag 2 can only be sucked out by the syringe to make the transparent flexible airbag 2 shrink again and adhere to the outer wall of the tube body 1, so as to facilitate the tube body 1 to be drawn out from the patient's body.

[0020] Furthermore, when the tube body 1 is inserted into the patient's body through the nasal cavity, in order to clearly observe the penetration depth and position, a gastroscope capsule 6 can be fixed in the airbag cover 3, and the gastroscope capsule 6 can collect images through the transparent airbag cover 3, so as to observe the insertion of the tube body 1 into the patient's body in real time. In addition, a developing line 10 can be set along the length direction of the tube body 1, and the developing line 10 can easily realize the formation of imaging by X-ray irradiation without guide wire guidance, so as to accurately know the depth of the tube body 1 inserted into the patient's body.

[0021] Furthermore, in order to fix the tube body 1 inserted into the patient's body and prevent it from moving back and forth due to gastrointestinal peristalsis, a support airbag 7 for supporting the patient's esophagus can be circumferentially arranged on the outer wall of the tube body 1 behind the transparent flexible airbag 2. Specifically, Figure 3 , 4As shown, the support airbag 7 is composed of an annular cavity 7.1 which is sleeved on the outer wall of the tube body 1 with a gap, and a plurality of cylindrical cavities 7.2 which are evenly distributed in the inner gap of the annular cavity 7.1. The outer wall of the annular cavity 7.1 is an arc surface structure with a high middle part and low front and rear ends. When the annular cavity 7.1 and the cylindrical cavity 7.2 are inflated and blown up, the annular cavity 7.1 can be firmly supported on the esophageal wall of the patient, and a certain gap is formed between the annular cavity 7.1 and the outer wall of the tube body 1 to avoid blocking the esophagus. In addition, a second blowing tube 8 which is connected to the support airbag 7 is also provided in the tube wall of the tube body 1. The second blowing tube 8 has a The air inlet end is also sealed and passed through the wall of the tube body 1 near the rear end, and its end is provided with a second sealing joint 9 for docking with the gas injection equipment. The second sealing joint 9 can also adopt a Luer joint, which can be convenient for directly connecting a syringe to inflate the support airbag 7 to expand the support airbag 7 and prop it up in the patient's esophagus, thereby further fixing the tube body 1; at the same time, the second sealing joint 9 adopting the Luer joint can also ensure that the second air blowing tube 8 does not leak when the syringe is removed, and the gas in the support airbag 7 can only be sucked out by the syringe, so that the support airbag 7 shrinks again and adheres to the outer wall of the tube body 1, so as to release the support and pull the tube body 1 out of the patient's body.

[0022] Furthermore, a lubricating coating is applied on the outer wall of the transparent flexible airbag 2 and the annular cavity 7.1, so that the tube body 1 can be inserted into the patient's body through the nasal cavity, or can be withdrawn from the patient's body.

[0023] When in use, the tube body 1 is inserted into the stomach through the patient's nasal cavity, just like the conventional nasogastric tube, and the insertion depth and position of the tube body 1 can be observed in real time through the gastroscope capsule 6; after the front end of the tube body 1 is inserted into place, air can be blown into the transparent flexible airbag 2 through the first blowing tube 4, so that the transparent flexible airbag 2 expands, forming a flexible wrapping of the front end of the tube body 1, effectively preventing the front end of the tube body 1 inserted into the patient's body from rigidly contacting the inner wall of the patient's gastrointestinal tract, avoiding irritation to the gastrointestinal mucosa, and avoiding related complications such as gastrointestinal mucosal ulcers or erosion and bleeding. In addition, air can be blown into the support airbag 7 through the second blowing tube 8, so that the support airbag 7 expands and props up in the patient's esophagus, thereby further fixing the tube body 1.

[0024] When the tube body 1 needs to be removed from the patient's body, the gas in the transparent flexible airbag 2 and the support airbag 7 can be extracted through injection, so that the transparent flexible airbag 2 and the support airbag 7 shrink and adhere to the outer wall of the tube body 1 again, and the tube body 1 can be easily withdrawn at this time.

Claims

1. A nasogastric feeding tube, characterized in that: It includes a tube body, and a transparent flexible airbag is circumferentially arranged on the front end of the outer wall of the tube body, and the front end of the transparent flexible airbag is turned inward to form an airbag covering part covering the front edge of the tube body; a first air blowing pipe connected to the transparent flexible airbag is arranged inside the tube wall of the tube body, and the air inlet end of the first air blowing pipe is sealed and passed through the tube wall of the tube body near the rear end, and the end thereof has a first sealing joint for connecting to the gas injection equipment.

2. The nasogastric feeding tube according to claim 1, characterized in that: A gastroscope capsule is fixedly arranged in the airbag covering portion.

3. The nasogastric feeding tube according to claim 1, characterized in that: A developing line is arranged on the tube body along the length direction.

4. The nasogastric feeding tube according to claim 1, characterized in that: A support airbag for supporting the patient's esophagus is circumferentially arranged on the outer wall of the tube body behind the transparent flexible airbag, and the support airbag is composed of an annular bag cavity with a gap fitted on the outer wall of the tube body and a plurality of cylindrical bag cavities evenly distributed in the gap inside the annular bag cavity; a second air blowing tube connected to the support airbag is arranged in the tube wall of the tube body, and the air inlet end of the second air blowing tube is sealed and penetrated from the tube wall of the tube body near the rear end, and the end thereof has a second sealing joint for docking with the gas injection equipment.

5. The nasogastric feeding tube according to claim 4, characterized in that: The first sealing joint and the second sealing joint are both Luer joints.

6. The nasogastric feeding tube according to claim 4, characterized in that: A lubricating coating is also coated on the outer wall of the transparent flexible airbag and the annular capsule cavity.

Images