CN219538940U - Self-advancing nose intestine tube - Google Patents

Abstract

The utility model relates to a self-advancing nose intestine tube _， Comprising the following steps: the device comprises a water absorption bead, a mesh bag, a fixed silk thread, an annular blade, a thread passing hole, a gelatin shell, a traction thread, a plurality of catheter side holes, a tube body and a tail tube joint; gelatin shell with tail pipe joint one-to-one installs both ends about the body, a plurality of catheter side opening equidistant dislocation sets up the body lateral wall, the water absorption pearl with the pocket sets up in the gelatin shell, the pocket parcel the water absorption pearl, annular blade with the wire passing hole sets up the body is leaned onNear the gelatin shell end, the wire passing hole penetrates through the side wall of the pipe body, the annular blade and the traction wire are arranged in the pipe body, the traction wire is connected with the annular blade, and the fixed silk wire is connected with the mesh bag, the annular blade and the wire passing hole in series. The utility model fully utilizes the water absorption beads to absorb water and expand, and then pulls the head of the nasal intestinal canal to move in the stomach and intestine to reach the appointed position through the stomach and intestine peristalsis.

Description

Self-advancing nose intestine tube

Technical Field

The utility model relates to the field of medical instruments, in particular to a self-advancing nose intestine tube.

Background

In the field of medical care, nasal feeding is an important link of enteral nutrition treatment, and nasal feeding is commonly performed by adopting a nasal intestinal tube or a nasal gastric tube according to different positions of the head end of a catheter. Nasal feeding is needed by adopting a nasal intestinal canal when the pulmonary inhalation risk is high, and the nasal intestinal canal clinically used mainly has two structures: 1, a straight pipe; 2 a spiral tube with a bent head end. The first step of straight tube placement is to place the nasal intestinal tube into the gastric cavity through the nasal cavity, then place the catheter into the intestinal cavity through the pylorus as required, and the catheter needs the assistance of X-ray, ultrasound or endoscope, and the special posture and manipulation are matched. After the spiral tube is placed in the gastric cavity, the head end of the nasal intestinal tube is coiled when the inner metal guide wire is pulled out, and the propelling force of digestive tract peristaltic motion is considered to act on the bent guide tube at the head end, so that the guide tube is driven to enter the proximal jejunum, but the self-advancing capability of the spiral tube is found to be poor in clinical use, and the tube can be placed under the assistance of equipment. Therefore, in order to fully utilize the propelling force generated by gastrointestinal peristalsis to push the nose intestine to reach the designated position, the utility model designs a self-advancing nose intestine.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: the self-advancing nose intestine tube solves the problems that the self-advancing force generated by gastrointestinal peristalsis has poor utilization effect and the nose intestine tube head is difficult to push to reach a designated position.

The technical scheme for solving the technical problems is as follows: self-advancing nose intestine tube _， Comprising the following steps: the device comprises a water absorption bead, a mesh bag, a fixed silk thread, an annular blade, two wire passing holes, a gelatin shell, a traction wire, a plurality of catheter side holes, a tube body and a tail tube joint; gelatin shell with tail pipe joint one-to-one installs both ends about the body, a plurality of catheter side opening equidistant dislocation sets up the body lateral wall, the water absorption pearl with the pocket sets up in the gelatin shell, the pocket parcel the water absorption pearl, annular blade with the wire hole sets up the body is close to gelatin shell end, two the wire hole symmetry sets up on the body, two the wire hole runs through the body lateral wall, annular blade with the pull wire sets up in the body, the pull wire with annular blade connects, fixed silk thread series connection the pocket annular blade with the wire hole.

The beneficial effects of the utility model are as follows: after the water absorption beads in the mesh bag absorb water and expand, the water absorption beads are favorable for generating propelling force on the water absorption beads by gastrointestinal peristalsis and generating friction force on the mesh bag. The resultant force is fully transmitted to the head of the naso-intestinal canal by using a fixing wire so as to move to a designated position in the intestinal canal.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the water absorption beads are spheres with diameters of 1-2 mm, and the water absorption beads are made of sodium polyacrylate.

The beneficial effects of adopting the further scheme are as follows: the sodium polyacrylate is used as a food additive, has little toxicity and small volume when not absorbing water, can be wrapped at the front end of a catheter and is sent into the digestive tract, the volume is obviously increased after water absorption, and an impetus is provided for the peristaltic propulsion of the digestive tract to the head of the nasal intestinal canal.

Further, the mesh bag is of a mesh structure with the diameter of 1-2 cm, and the mesh bag is made of polyester fibers.

The beneficial effects of adopting the further scheme are as follows: the mesh bag is made of polyester fiber, has small volume under normal conditions, can be compressed and wrapped at the head end of the catheter, can be expanded when being pulled and supported, is nontoxic and can enter the digestive tract, and the polyester fiber mesh bag wraps the water absorption beads and also increases friction force, so that the pushing effect of gastrointestinal peristalsis is better.

Further, the annular blade is annular, and the cutting edge of the annular blade is arranged on the inner ring of the annular blade.

The beneficial effects of adopting the further scheme are as follows: after the nose intestine head end reaches the designated position, the annular blade with the inward cutting edge can be used for cutting off the fixing silk thread, so that the mesh bag, the water absorption bead wrapped by the mesh bag and the nose intestine head end are separated.

Further, the gelatin shell is an arc-shaped shell, the diameter of the opening end of the gelatin shell is larger than the outer diameter of the pipe body, and the opening end of the gelatin shell is sleeved with the pipe body.

The beneficial effects of adopting the further scheme are as follows: the arc-shaped gelatin shell can reduce the discomfort of the nose intestine when the nose intestine is put into the body from the nostril; the gelatin shell is easily dissolved in gastric juice, and can release water absorption beads and mesh bags when the nose-intestine head end reaches the stomach.

Further, one end of the traction wire is connected with the outer ring of the annular blade, and the other end of the traction wire extends to the outer side of the pipe body, which is close to the tail pipe joint end.

The beneficial effects of adopting the further scheme are as follows: after the nose intestine head end reaches the designated position, the annular blade can be pulled by the traction wire to cut off the fixing wire, so that the mesh bag, the water absorption bead wrapped by the mesh bag and the nose intestine head end are separated, and the annular blade is taken out of the body.

Further, the diameter of the side hole of the catheter is smaller than that of the inner wall of the catheter body, and a plurality of side holes of the catheter penetrate through the side wall of the catheter body.

The beneficial effects of adopting the further scheme are as follows: the plurality of catheter side holes provide necessary outlets for nutrient solution to flow out from the head end of the nose intestine, and can also avoid tube blockage; meanwhile, the side holes of the plurality of guide pipes are arranged in a staggered mode so as to maintain the toughness and strength of the guide pipes and avoid bending or breaking of the guide pipes.

Further, the pipe body is of a silica gel or polyurethane tubular structure with the length of 150-200 cm, the end, close to the gelatin shell, of the pipe body is closed, the end, close to the tail pipe joint, of the pipe body is open, the outer circle diameter of the pipe body is 4-6 mm, and the inner circle diameter of the pipe body is 3-5 mm.

The beneficial effects of adopting the further scheme are as follows: the length of the pipe body is 150-200 cm, so that the pipe is beneficial to adapting to the actual demands of different crowds; the silica gel or polyurethane material has certain elasticity, so that the tube cavity is prevented from collapsing; the tube body is closed near the gelatin shell end, and if resistance is encountered in the intubation process, the metal guide wire is pushed forward so as not to drop the gelatin shell top into the esophagus.

Further, the tail pipe joint is of a horn-shaped structure, the diameter of the tail pipe joint is larger than the outer diameter of the pipe body, the tail pipe joint is far away from the end of the pipe body and is provided with a tail cover matched with the tail pipe joint, and the tail pipe joint is close to the end of the pipe body and is connected with the pipe body.

The beneficial effects of adopting the further scheme are as follows: the diameter of the trumpet-shaped tail pipe joint is larger than that of the tail pipe, so that the nose intestine pipe and the tail pipe joint are tightly connected, and when the nose intestine pipe is not used, the tail cover is buckled on the tail pipe joint, so that digestive juice overflow or external sundries are prevented from entering.

Further, the self-advancing nose intestine further comprises a metal guide wire, wherein the metal guide wire is arranged in the tube body, the diameter of the metal guide wire is 1-3 mm, and the metal guide wire extends to the outer side of the tube body, which is close to the head end of the tail tube connector.

The beneficial effects of adopting the further scheme are as follows: the metal guide wire increases the toughness of the nose-intestine tube, is beneficial to the head of the nose-intestine tube to enter the stomach from the nostril and reduces bending.

Drawings

Fig. 1 is a schematic view of the structure of the nose intestine head provided by the embodiment of the utility model;

fig. 2 is a schematic diagram of the structure of the tail portion of the nasogastric tube according to the embodiment of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. water absorption beads; 2. a mesh bag; 3. fixing the silk thread; 4. an annular blade; 5. a wire through hole; 6. a gelatin shell; 7. a traction wire; 8. a metal guide wire; 9. measuring a hole of the catheter; 10. a tube body; 11. a tailpipe joint.

Detailed Description

The principles and features of the present utility model are described below with examples given for the purpose of illustration only and are not intended to limit the scope of the utility model.

As shown in fig. 1 and 2, a self-advancing nose-intestine comprising: the water absorption device comprises a water absorption bead 1, a mesh bag 2, a fixed silk thread 3, an annular blade 4, two thread passing holes 5, a gelatin shell 6, a traction thread 7, a plurality of catheter side holes 9, a pipe body 10 and a tail pipe joint 11; gelatin shell 6 with tail pipe joint 11 one-to-one is installed both ends about body 10, a plurality of catheter side opening 9 equidistant dislocation set is in body 10 lateral wall, water absorption pearl 1 with pocket 2 sets up in gelatin shell 6, the parcel of pocket 2 water absorption pearl 1, annular blade 4 with wire passing hole 5 sets up body 10 is close to gelatin shell 6 end, two wire passing hole 5 symmetry sets up on body 10, two wire passing hole 5 runs through body 10 lateral wall, annular blade 4 with haulage wire 7 sets up in body 10, haulage wire 7 with annular blade 4 connects, fixed silk thread 3 cluster is connected pocket 2 annular blade 4 with wire passing hole 5.

The beneficial effects of the utility model are as follows: after the water absorption beads in the mesh bag absorb water and expand, gastrointestinal peristalsis generates propelling force on the water absorption beads and generates friction force on the mesh bag. The resultant force is fully transmitted to the head of the naso-intestinal canal by using a fixing wire so as to move to a designated position in the intestinal canal.

Preferably, as shown in fig. 1, the water-absorbing bead 1 is a sphere with a diameter of 1 to 2mm, and the water-absorbing bead 1 is made of sodium polyacrylate.

The beneficial effects of adopting the preferable scheme are as follows: the sodium polyacrylate is used as a food additive, has little toxicity and small volume when not absorbing water, can be wrapped at the front end of a catheter and is sent into the digestive tract, the volume is obviously increased after water absorption, and an impetus is provided for the peristaltic propulsion of the digestive tract to the head of the nasal intestinal canal.

Preferably, as shown in fig. 1, the mesh bag 2 is a mesh structure with a diameter of 1-2 cm, and the mesh bag 2 is made of polyester fiber.

The beneficial effects of adopting the preferable scheme are as follows: the mesh bag is made of polyester fiber, has small volume under normal conditions, can be compressed and wrapped at the head end of the catheter, can be expanded when being pulled and supported, is nontoxic and can enter the digestive tract, and the polyester fiber mesh bag can limit the positions of the water absorption beads and simultaneously increase friction force, so that the pushing effect of gastrointestinal peristalsis is better.

Preferably, as shown in fig. 1, the annular blade 4 is annular, and the cutting edge of the annular blade 4 is disposed at the inner ring of the annular blade 4.

The beneficial effects of adopting the preferable scheme are as follows: after the head of the nasal intestinal canal reaches a specified position, the annular blade with the inward cutting edge can be used for cutting off the fixing silk thread, so that the mesh bag, the water absorption bead wrapped by the mesh bag and the head of the nasal intestinal canal are separated.

Preferably, as shown in fig. 1, the gelatin shell 6 is an arc-shaped shell, the diameter of the open end of the gelatin shell 6 is larger than the outer diameter of the tube 10, and the open end of the gelatin shell 6 is sleeved with the tube 10.

The beneficial effects of adopting the preferable scheme are as follows: the arc-shaped gelatin shell can reduce the discomfort of the nose intestine when the nose intestine is put into the body from the nostril; the gelatin shell is easily dissolved in gastric juice, and can release water absorption beads and mesh bags when the nose intestine head reaches the stomach.

Preferably, as shown in fig. 1, one end of the traction wire 7 is connected to the outer ring of the annular blade 4, and the other end extends to the outside of the pipe body 10 near the tail pipe joint 11.

The beneficial effects of adopting the preferable scheme are as follows: after the head of the nose intestine pipe reaches a designated position, the annular blade can be pulled by the traction wire to cut off the fixing wire, so that the mesh bag, the water absorption bead wrapped by the mesh bag and the head of the nose intestine pipe are separated, and the annular blade is taken out of the body.

Preferably, as shown in fig. 1, the diameter of the side hole 9 is smaller than the diameter of the inner wall of the tube body 10, and a plurality of side holes 9 penetrate the side wall of the tube body 10.

The beneficial effects of adopting the preferable scheme are as follows: the plurality of catheter side holes provide necessary outlets for nutrient solution to flow out from the head of the nose intestine, and can also avoid tube blockage; meanwhile, the side holes of the plurality of guide pipes are arranged in a staggered mode so as to maintain the toughness and strength of the guide pipes and avoid bending or breaking of the guide pipes.

Preferably, as shown in fig. 1, the tube body 10 is a silica gel or polyurethane tubular structure with a length of 150 to 200cm, the end of the tube body 10 close to the gelatin shell 6 is closed, the end close to the tail pipe joint 11 is open, the diameter of the outer circle of the tube body 10 is 4 to 6mm, and the diameter of the inner circle is 3 to 5mm.

The beneficial effects of adopting the preferable scheme are as follows: the length of the pipe body is 150-200 cm, so that the pipe is beneficial to adapting to the actual demands of different crowds; silica gel or polyurethane material has certain elasticity, and avoids the collapse of the lumen; the tube body is closed close to the gelatin shell end, and if resistance is encountered in the intubation process, the metal guide wire is pushed forward so as not to drop the gelatin shell top into the esophagus.

Preferably, as shown in fig. 2, the tail pipe joint 11 is in a horn structure, the diameter of the tail pipe joint 11 is larger than the outer diameter of the pipe body 10, a tail cover matched with the tail pipe joint 11 is arranged at the end, far away from the pipe body 10, of the tail pipe joint 11, and the tail cover is connected with the pipe body 10 near the end of the pipe body 10.

The beneficial effects of adopting the preferable scheme are as follows: the diameter of the trumpet-shaped tail pipe joint is larger than that of the tail pipe, so that the nose intestine pipe and the tail pipe joint are tightly connected, and when the nose intestine pipe is not used, the tail cover is buckled on the tail pipe joint, so that digestive juice overflow or external sundries are prevented from entering.

Preferably, as shown in fig. 1 and 2, a self-advancing nose intestine further comprises a metal guide wire 8, wherein the metal guide wire 8 is arranged on the inner side of the tube body 10, the diameter of the metal guide wire 8 is 1-3 mm, and the metal guide wire 8 extends to the outer side of the tube body 10 close to the tail tube joint 11.

The beneficial effects of adopting the preferable scheme are as follows: the metal guide wire increases the toughness of the nose-intestine tube, is beneficial to the head of the nose-intestine tube to enter the stomach from the nostril and reduces bending.

The working of the utility model is described below by means of an example.

Before nasal feeding, the nose-intestine tube head, namely a tube body close to one end of the gelatin shell 6, is inserted into the stomach cavity through the nostril of a patient, and after the nose-intestine tube head enters the stomach cavity, the metal guide wire 8 is pulled out. The gelatin shell 6 is dissolved in gastric juice, the mesh bag 2 wrapped in the gelatin shell 6 and the water-absorbing bead 1 wrapped by the mesh bag 2 are exposed, at the moment, the water-absorbing bead 1 absorbs water and expands, the expanded water-absorbing bead 1 and the mesh bag 2 form a whole, the head of a nasal intestinal canal is connected through the fixing thread 3, and the fixing thread 3 is sequentially connected with the mesh bag 2, the annular blade 4 and the thread passing hole 5. Under the peristaltic action of the stomach, the water absorption beads 1 and the mesh bag 2 pull the head of the naso-intestinal canal to move through the fixing thread 3. It should be noted that, during the process of pulling the nose intestine head by the water absorbing bead 1 and the mesh bag 2, the acting point of the fixing thread 3 on the nose intestine head is the thread passing hole 5, that is, although the fixing thread 3 passes through the inner ring of the annular blade 4, no acting force exists between the fixing thread 3 and the annular blade 4, that is, the annular blade 4 does not cut off the fixing thread 3 at this time, and the water absorbing bead 1 and the mesh bag 2 can pull the nose intestine head to move with ease. The naso-intestinal tract head then passes from the gastric cavity into the intestinal cavity through the pylorus under the peristaltic action of the stomach. When the nose intestine head reaches the appointed position of the intestine cavity, the traction wire 7 is pulled manually at the tail of the nose intestine, namely the tube body near one end of the tail tube joint 11, so that acting force is generated between the annular blade 4 and the fixing wire 3, and under the acting force, the cutting edge of the inner ring of the annular blade 4 cuts off the fixing wire 3, so that the nose intestine head is separated from the mesh bag 2 and the water absorbing bead 1 wrapped by the mesh bag 2. Thereafter, the annular blade 4 is pulled out of the body by the pull wire 7 through the tailpipe joint 11, and the mesh bag 2 and the water absorbent beads 1 are advanced along the digestive tract in the human body and discharged out of the body through the anus. Finally, nasal feeding liquid is manually poured into the nasal intestinal canal through the tail pipe joint 11, and flows out of the nasal intestinal canal through the plurality of catheter side holes 9 at the head of the nasal intestinal canal and enters the intestinal cavity, so that nasal feeding is finished.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (10)

1. Self-advancing nose intestine tube _， Characterized by comprising the following steps: the water absorption device comprises a water absorption bead (1), a mesh bag (2), a fixing thread (3), an annular blade (4), two thread passing holes (5), a gelatin shell (6), a traction thread (7), a plurality of catheter side holes (9), a pipe body (10) and a tail pipe joint (11);

gelatin shell (6) with tail pipe joint (11) one-to-one installs both ends about body (10), a plurality of catheter side opening (9) equidistant dislocation set is in body (10) lateral wall, water absorption pearl (1) with pocket (2) set up in gelatin shell (6), pocket (2) parcel water absorption pearl (1), annular blade (4) with wire passing hole (5) set up body (10) are close to gelatin shell (6) end, two wire passing hole (5) symmetry sets up on body (10), two wire passing hole (5) run through body (10) lateral wall, annular blade (4) with haulage wire (7) set up in body (10), haulage wire (7) with annular blade (4) are connected, fixed silk thread (3) cluster is in pocket (2) annular blade (4) and wire passing hole (5).

2. A self-advancing nose intestine according to claim 1 _， The water absorbing bead (1) is a sphere with the diameter of 1-2 mm, and the water absorbing bead (1) is made of sodium polyacrylate.

3. A self-advancing nose intestine according to claim 1 _， The novel plastic net bag is characterized in that the net bag (2) is of a net structure with the diameter of 1-2 cm, and the net bag (2) is made of polyester fibers.

4. A self-advancing nose intestine according to claim 1 _， The novel annular blade is characterized in that the annular blade (4) is in a circular ring shape, and the cutting edge of the annular blade (4) is arranged at the inner ring of the annular blade (4).

5. A self-advancing nose sausage according to claim 1Pipe _， The novel gelatin shell is characterized in that the gelatin shell (6) is an arc-shaped shell, the diameter of the opening end of the gelatin shell (6) is larger than the outer diameter of the pipe body (10), and the opening end of the gelatin shell (6) is sleeved with the pipe body (10).

6. A self-advancing nose intestine according to claim 1 _， The device is characterized in that one end of the traction wire (7) is connected with the outer ring of the annular blade (4), and the other end of the traction wire extends to the outer side of the pipe body (10) close to the tail pipe joint (11).

7. A self-advancing nose intestine according to claim 1 _， The catheter is characterized in that the diameter of the catheter side hole (9) is smaller than the diameter of the inner wall of the catheter body (10), and a plurality of catheter side holes (9) penetrate through the side wall of the catheter body (10).

8. A self-advancing nose intestine according to claim 1 _， The plastic pipe is characterized in that the pipe body (10) is of a silica gel or polyurethane tubular structure with the length of 150-200 cm, the end, close to the gelatin shell (6), of the pipe body (10) is closed, the end, close to the tail pipe joint (11), of the pipe body (10) is open, the diameter of the outer circle of the pipe body (10) is 4-6 mm, and the diameter of the inner circle of the pipe body is 3-5 mm.

9. A self-advancing nose intestine according to claim 1 _， The novel tail pipe connector is characterized in that the tail pipe connector (11) is of a horn-shaped structure, the diameter of the tail pipe connector (11) is larger than the outer diameter of the pipe body (10), a tail cover matched with the tail pipe connector (11) is arranged at the end, far away from the pipe body (10), of the tail pipe connector (11), and the tail cover is close to the end, close to the pipe body (10), of the pipe body (10) and connected with the pipe body (10).

10. A self-advancing nose intestine according to claim 1, further comprising a metal guide wire (8), the metal guide wire (8) being arranged in the tube body (10), the metal guide wire (8) having a diameter of 1 to 3mm, the metal guide wire (8) extending to the outside of the tube body (10) near the tail tube joint (11) end.