TW201838616A - A nasogastric tube unit and an inflatable tube thereof - Google Patents

Abstract

A nasogastric tube unit and an inflatable tube thereof are provided to solve the problem where the modern nasogastric tube often makes the users uncomfortable. The nasogastric tube includes a guiding member and an inflatable tube. The inflatable tube has an inner surface forming a channel, as well as an outer surface. The inflatable tube has an air chamber located between the inner surface and the outer surface, an extension section and an exposed section. The air chamber covers the extension section and the exposed section. The exposed section includes an air-pumping portion connected to the air chamber. The guiding member removably extends through the channel.

Description

 Nasogastric tube set and its inflatable hose  

The present invention relates to a medical device, and more particularly to a nasogastric tube set and an inflatable hose thereof.

Press, when the patient has difficulty swallowing, coma, neck and neck disease or due to surgery, etc., if the patient's gastrointestinal function is normal, the Nasogastric tube (NG tube) is often used clinically. The way of feeding helps the body to get the calories and nutrients it needs.

The so-called nasogastric tube feeding is inserted into the stomach bag from the patient's nasal cavity by the nasogastric tube, and the diet is processed into a fluid state, and then the liquid diet is input into the nasogastric tube, so that the liquid food flows through the nasal cavity under the guidance of the nasogastric tube. Go to the stomach bag to achieve the purpose of eating.

For a long time, the nasogastric tube is a long hose with a fixed diameter and is mostly hardened by polyvinyl chloride (PVC) or silicone (Silicone). After the nasal tube enters the patient's nasal cavity, the end of the nasogastric tube will stay in the patient's stomach bag, and the nasogastric tube is fixed with tape at the patient's nasal orifice, and the nasogastric tube is suspended in the patient's nasal cavity by about 30-40 cm. Outside. However, since the existing nasogastric tube is fixed in shape and has an outer diameter of about 12 to 16 Fr (1 Fr = 0.33 mm), the portion left in the patient after the tube is worn often causes considerable discomfort and foreign body sensation. As a result, the probability of being removed by the patient after wearing the tube is as high as nearly 70%, so it is necessary to improve it.

An embodiment of the conventional nasogastric tube similar to the above has been disclosed in the patents of the Republic of China Announcement Nos. M535091, M532881 and M526405.

In order to solve the above problems, the present invention provides a nasogastric tube set and an inflatable hose thereof, which can facilitate the penetration of the inflatable hose into a patient, and the inflatable hose penetrates into the patient. The part can be softened when not in use to reduce the foreign body sensation.

The following directionality or its similar terms, such as "before", "after", "upper (top)", "lower", "inside", "outside", "side", etc. The directionality or the singularity of the present invention is intended to be illustrative only and not to limit the invention.

The nasogastric tube set of the present invention comprises: an inflatable hose having an inner wall surface and an outer wall surface, the inner wall surface ring forming a passage, the inflatable hose being provided with a gas chamber Between the inner wall surface and the outer wall surface, the inflatable hose has a penetration section and an exposed section, the air chamber distribution covers the penetration section and the exposed section, and the inflatable hose is provided with a exposed section The air supply portion communicates with the air chamber; and a guiding member that can be pulled away from the passage of the inflatable hose.

Accordingly, the nasogastric tube set of the present invention can facilitate the penetration of the inflatable hose into the patient, and the inflatable hose penetrates into the patient's body and can be softened when not in use to reduce discomfort. The foreign body sensation can greatly reduce the probability of the patient unplugging the inflatable hose due to discomfort, thereby reducing the medical behavior of repeating the tube.

Wherein, the guiding member may be a hollow circular tube to enhance the flexibility of the guiding member, and the guiding member can be arbitrarily inserted into the inflatable hose without direction and softly inflated with the inflation. The tube is evenly attached, and has the functions of improving the convenience and efficiency of the threading program.

Wherein, the outer diameter of the guiding member can be smaller than the channel width of the inflatable hose, so that the guiding member can be smoothly penetrated into the uninflated inflatable hose, and the front working time of the pipetting program can be saved. And other effects.

Wherein, the inflatable hose may be made of polypropylene, which makes the inflatable hose soft and less likely to harden quickly after use.

Wherein the axial ends of the inflatable hose are respectively the free end of the penetrating section and the free end of the exposed section, the air chamber forming an annular space and along the axial direction of the inflatable hose Extending from the free end adjacent the piercing section to the free end adjacent the exposed section, after the air chamber is inflated, the entire inflatable hose can be uniformly expanded over a wide range in the axial direction.

Wherein, the inflatable hose can be provided with a narrowing portion adjacent to the free end of the penetrating section; the structure can prevent the guiding member from penetrating the inflatable hose to damage other tissues in the patient body, and has the lifting Use security and other effects.

Wherein, the inflatable hose can be provided with a rough portion on the inner wall surface of the penetrating section; the structure can prevent the guide member from penetrating the inflatable hose and injuring other tissues in the patient body, thereby improving the safety of use. And other effects.

Wherein, the roughness is preferably disposed adjacent to the free end of the penetration section to avoid operational difficulties when penetrating the guide.

Wherein the inflatable hose may be provided with a shaped portion adjacent to the free end of the exposed portion, the air chamber is not in the shaped portion, and a plug cover is detachably coupled to the shaped portion to close the cover by the plug cover The free end of the exposed section prevents foreign matter from unintendedly entering the patient from the inflatable hose, and has the effects of improving the safety of use.

The air delivery portion may be a convex tube disposed on an outer wall surface of the exposed portion, and the air delivery portion is provided with a check piece; the structure has the effects of improving convenience of use and the like.

Wherein, the inflatable hose may be provided with a plurality of through holes in the penetration portion, each of the through holes penetrating the inner wall surface and the outer wall surface of the inflatable hose, and the inner wall surface and the outer wall surface are in the through holes The circumference of the ring is connected such that the gas chamber is connected between any two adjacent through holes; the structure has the effect of improving the efficiency of operation of substances such as liquid food, gas or gastric juice when entering and leaving the stomach pocket of the patient.

Preferably, the plurality of through holes are disposed adjacent to the free end of the penetrating section to ensure that the plurality of through holes are accurately located in the stomach pocket of the patient.

1‧‧‧Inflatable hose

1a‧‧‧ penetration section

1b‧‧‧Exposed section

11‧‧‧ inner wall

111‧‧‧Rough

12‧‧‧ outer wall

13‧‧‧ air chamber

14‧‧‧Gas Department

141‧‧‧Stop film

15‧‧‧Retraction

151‧‧‧ openings

16‧‧‧Forming Department

17‧‧‧Segai

18‧‧‧through holes

2‧‧‧Guide

G‧‧‧ gas nozzle

N‧‧‧ nasal cavity

P‧‧‧ channel

S‧‧‧ stomach bag

W1‧‧‧Max width

W2‧‧‧Minimum width

Fig. 1 is a perspective exploded perspective view showing a first embodiment of the present invention.

Figure 2: Schematic representation of the use of the invention.

Fig. 3 is a schematic view showing the implementation of the first embodiment of the present invention in which the guide member is inserted into the inflatable hose which has not been inflated.

Fig. 4 is a view showing the implementation of the first embodiment of the present invention after inflating the inflatable hose.

Fig. 5 is a schematic view showing the implementation of the first embodiment of the present invention when the guide member is withdrawn.

Figure 6 is a schematic view showing the implementation of the first embodiment of the present invention for introducing a substance into an inflatable hose.

Fig. 7 is a side sectional view showing the second embodiment of the present invention.

The above and other objects, features and advantages of the present invention will become more <RTIgt; The first embodiment of the nasogastric tube set of the present invention, the nasogastric tube set generally comprises an inflatable hose 1 and a guiding member 2, the guiding member 2 can be drawn away from the In the inflatable hose 1, the inflatable hose 1 is guided to penetrate from the nasal cavity N of the patient to the stomach pouch S.

The inflatable hose 1 has a penetrating section 1a and an exposed section 1b. The portion of the inflatable hose 1 that penetrates into the patient is the penetrating section 1a, and the exposed section 1b is exposed to the outside of the patient. The inflatable hose 1 has a hollow tubular shape and has an inner wall surface 11 and an outer wall surface 12, and the inner wall surface 11 encircles to form a passage P. The inflatable hose 1 can be made of a material that is soft, elastic, and has good stability (for example, heat resistance, resistance to various organic solvents, acid and alkali corrosion, etc.), such as polypropylene (PP), plastic starch material. Materials such as (Plastarch Material, PSM), Nylon or ABS plastic make the inflatable hose 1 soft and less likely to harden quickly after use.

Referring to Figures 1 and 4, the inflatable hose 1 is provided with a closed air chamber 13 between the inner wall surface 11 and the outer wall surface 12. The air chamber 13 is distributed to cover the penetration portion 1a. And the exposed section 1b; therefore, when the air chamber 13 is not inflated, the inflatable hose 1 can be in a soft state, and after the air chamber 13 is inflated, the inflatable hose 1 can expand uniformly over a wide range. It is no longer soft. In this embodiment, the axial ends of the inflatable hose 1 are respectively the free end of the penetrating section 1a and the free end of the exposed section 1b, and the air chamber 13 preferably forms an annular space, and Extending along the axial direction of the inflatable hose 1 from a free end adjacent to the penetrating section 1a to a free end adjacent to the exposed section 1b, so that after the air chamber 13 is inflated, the entire inflatable hose is made 1 can expand uniformly over a wide range in the axial direction, rather than a locally expanded form.

The inflatable hose 1 is provided with a gas delivery portion 14 in the exposed portion 1b, and the gas delivery portion 14 communicates with the gas chamber 13 so that the gas chamber 13 is inflated or evacuated by the gas delivery portion 14. For example, but not limited to, the gas delivery portion 14 may be a convex tube disposed on the outer wall surface 12 of the exposed portion 1b, and a gas stop portion 141 may be additionally provided in the gas delivery portion 14 for the gas nozzle G to be The gas supply portion 14 is inserted and passed through the check piece 141 to inflate the gas chamber 13; and after the gas nozzle G is pulled away from the gas supply portion 14, the check piece 141 can still hold the gas chamber 13 The gas in it will not leak out.

Further, the inflatable hose 1 may be provided with a neck portion 15 at a free end adjacent to the penetration portion 1a to restrict the guide member 2 penetrating the passage P from being free from the free end of the penetration portion 1a. Wear out (detailed later). Alternatively, the inflatable hose 1 may be provided with a rough portion 111 on the inner wall surface 11 of the penetrating portion 1a. The roughness portion 111 is preferably disposed at a free end adjacent to the penetrating portion 1a. The roughness portion 111 is provided. For example, a rough surface (as shown in FIG. 1) or a plurality of convex particles (as shown in FIG. 7) can increase the frictional force of the guiding member 2, and the guiding can be avoided. The piece 2 is pierced from the free end of the piercing section 1a.

In addition, the inflatable hose 1 can also be provided with a certain shape portion 16 and a plug cover 17 adjacent to the free end of the exposed portion 1b. The air chamber 13 is not in the shaping portion 16, so the shaping portion 16 can be maintained substantially. The fixed outer shape and the inner diameter are wide, and the plug cover 17 can be detachably coupled to the sizing portion 16 to close the free end of the exposed portion 1b regardless of whether the gas chamber 13 is filled with gas, thereby avoiding foreign matter. Unexpectedly entering the patient from the inflatable hose 1.

For example and without limitation, the full length of the inflatable hose 1 of the present embodiment is about 1 to 1.2 meters. After the air chamber 13 is inflated, the inflatable hose 1 is in the penetration section 1a (excluding the neck portion) The 15th) has an outer diameter of about 0.5 to 0.6 cm wide and an inner diameter of about 0.3 to 0.4 cm.

Referring to Figures 1 and 3, the guiding member 2 is a flexible hollow long tube or a solid elongated body. The guiding member 2 can be pulled away from the passage P of the inflatable hose 1 for The penetrating section 1a of the inflatable hose 1 is guided through the patient. In this embodiment, the guiding member 2 is selected as a hollow circular tube to enhance the flexibility of the guiding member 2, so that the guiding member 2 can be bent along with the patient's body cavity; at the same time, the circular tubular guiding member 2 The inflatable hose 1 can also be arbitrarily inserted without any direction, and the guide member 2 can be evenly attached to the inflated inflatable hose 1 to improve the convenience and efficiency of the threading procedure. .

Although the guiding member 2 can be bent with the body cavity of the patient, the guiding member 2 has a substantially fixed shape and does not change the inner and outer diameters; in the embodiment, the outer diameter of the guiding member 2 is slightly smaller. The width P of the inflatable hose 1 allows the guide member 2 to pass through the uninflated inflatable hose 1 very smoothly, which helps to save the lead time of the threading procedure.

Referring to Figures 2 and 3, according to the foregoing structure, when the penetrating procedure is to be performed, when the penetrating section 1a of the inflatable hose 1 is inserted into the patient, the medical staff can pre-position the guiding member 2 outside the patient's body. It is inserted into the passage P of the inflatable hose 1 which has not been inflated. Continued as shown in Figure 4, the air chamber 13 of the inflatable hose 1 is inflated, the inflatable hose 1 is inflated to adhere the guide member 2 from the inner wall surface 11 of the inflatable hose 1; In this way, when the guiding member 2 is manipulated, the inflatable hose 1 can be synchronized to synchronize, so that the inflatable hose 1 can be smoothly worn from the nasal cavity N of the patient by the guiding of the guiding member 2. Into the stomach bag S.

Wherein, the neck portion 15 of the inflatable hose 1 forms an opening 151 at the free end of the penetration portion 1a, and the maximum width W1 of the opening 151 is smaller than the guide member even after the air chamber 13 is inflated. The minimum width W2 of the end of the 2 is to ensure that the end of the guiding member 2 cannot pass through the inflatable hose 1 to prevent the guiding member 2 from injuring other tissues in the patient body by wearing the inflatable hose 1.

Referring to FIG. 5, after the pipetting procedure is completed, the air chamber 13 can be pumped from the air supply portion 14 of the inflatable hose 1 to return the inflatable hose 1 to a soft state, and the inflation is performed. The inner wall surface 11 of the hose 1 can no longer abut against the guiding member 2, so that the guiding member 2 can be withdrawn, leaving only the inflatable hose 1 in the patient body, and being reduced to a small volume by being inflated. And a soft inflatable hose 1 to alleviate the patient's discomfort and foreign body sensation.

Referring to Figures 2 and 6, when the inflated hose 1 is used to feed the patient, the operator can open the plug 17 to input the fluid from the free end of the exposed section 1b of the inflatable hose 1. The diet is such that the liquid food flows along the passage P of the inflatable hose 1 from the free end of the penetration section 1a to flow into the stomach bag S of the patient.

In addition, when the patient has bloating or hyperacidity, the free end of the exposed section 1b of the inflatable hose 1 can also be connected to a suction device (not shown) from the inflatable hose. The free end of the penetration section 1a of 1 draws gas or gastric juice into the stomach bag S of the patient through the passage P to improve the discomfort of the patient. Alternatively, the air chamber 13 of the inflatable hose 1 may be inflated prior to suction, so that the inflatable hose 1 is inflated without being too soft, and the operation of extracting gas or gastric juice to the stomach bag S of the patient may be improved. Convenience and efficiency.

Referring to FIG. 7, which is a second embodiment of the nasogastric tube set of the present invention, the second embodiment of the present invention is substantially the same as the first embodiment described above, and the main difference is that the second embodiment of the present invention The inflatable hose 1 is additionally provided with a plurality of through holes 18 in its penetration section 1a.

The plurality of through holes 18 are preferably disposed adjacent to the free end of the penetrating portion 1a to ensure that the plurality of through holes 18 are located in the patient's stomach pocket S after the penetrating section 1a of the inflatable hose 1 is inserted into the patient. (marked in Figure 2). More specifically, each of the through holes 18 extends through the inner wall surface 11 and the outer wall surface 12 of the inflatable hose 1, and the inner wall surface 11 and the outer wall surface 12 are connected at the circumferential edge of each of the through holes 18, so that The plenum 13 can still be in communication between any two adjacent through holes 18. Accordingly, when the inflatable hose 1 is used, substances such as liquid food, gas, or gastric juice can enter and exit the stomach bag S of the patient through the plurality of through holes 18, which contributes to an improvement in operational efficiency.

In summary, the nasogastric tube set of the present invention can facilitate the penetration of the inflatable hose into the patient, and the inflatable hose penetrates into the patient's body and can be softened when not in use to reduce Discomfort and foreign body sensation can greatly reduce the patient's chance of removing the inflatable hose due to discomfort, thereby reducing the repeated medical behavior of the tube.

While the invention has been described in connection with the preferred embodiments described above, it is not intended to limit the scope of the invention. The technical scope of the invention is protected, and therefore the scope of the invention is defined by the scope of the appended claims.

Claims (13)

 A nasogastric tube set comprising: an inflatable hose having an inner wall surface and an outer wall surface, the inner wall surface ring forming a passage, the inflatable hose being provided with a gas chamber located therein Between the wall surface and the outer wall surface, the inflatable hose has a penetrating section and an exposed section, the air chamber distribution covering the penetrating section and the exposed section, the inflatable hose is provided with a gas transmission in the exposed section The portion communicates with the air chamber; and a guiding member that can be pulled away from the passage of the inflatable hose.    The nasogastric tube set according to claim 1, wherein the guiding member is a hollow circular tube.    The nasogastric tube set according to claim 1, wherein the outer diameter of the guiding member is smaller than the channel width of the inflatable hose.    An inflatable hose having an inner wall surface and an outer wall surface, the inner wall surface ring forming a passage, the inflatable hose being provided with a gas chamber between the inner wall surface and the outer wall surface, The inflatable hose has a penetrating section and an exposed section, the plenum distribution covering the penetrating section and the exposed section, and the inflatable hose is provided with a gas supply portion communicating with the plenum in the exposed section.    The inflatable hose of claim 4, wherein the inflatable hose is made of polypropylene.    The inflatable hose of claim 4, wherein the axial ends of the inflatable hose are respectively a free end of the penetrating section and a free end of the exposed section, the air chamber forming a ring a space and extending along the axial direction of the inflatable hose from a free end adjacent the piercing section to a free end adjacent the exposed section.    The inflatable hose of claim 4, wherein the inflatable hose is provided with a neck opening adjacent the free end of the piercing section.    The inflatable hose of claim 4, wherein the inflatable hose is provided with a roughness on an inner wall surface of the penetrating section.    The inflatable hose of claim 8, wherein the roughness is disposed adjacent to a free end of the piercing section.    The inflatable hose of claim 4, wherein the inflatable hose is provided with a shaped portion adjacent to the free end of the exposed portion, the air chamber is not in the shaped portion, and a plug is detachable The ground is combined with the shaping portion.    The inflatable hose according to claim 4, wherein the gas delivery portion is a convex tube provided on an outer wall surface of the exposed portion, and the gas supply portion is provided with a check piece.    The inflatable hose according to claim 4, wherein the inflatable hose is provided with a plurality of through holes in the penetrating section, each of the through holes penetrating the inner wall surface and the outer wall surface of the inflatable hose. And the inner wall surface and the outer wall surface are connected at a circumference of each of the through holes, so that the air chamber is connected between any two adjacent through holes.    The inflatable hose of claim 12, wherein the plurality of through holes are disposed adjacent to the free end of the piercing section.