CN217138680U - Gastrointestinal infusion apparatus with firm connection - Google Patents

Abstract

The utility model discloses a firm in connection's stomach intestine transfusion system relates to the medical equipment field, can improve the joint strength with the stomach tube, avoids this joint position to take place to leak outward. The infusion tube is provided with an infusion plug, the infusion plug is provided with a port in a reducing structure, and the port can be inserted into and hold open the free end of the gastric tube; the infusion plug is provided with an extrusion piece, the extrusion piece is sleeved in a through hole on the infusion plug and is provided with a reducing section, and when the extrusion piece slides towards the direction of the infusion tube, the inner side surface of the reducing section and the outer side surface of the interface can clamp the free end of the stretched stomach tube; the infusion plug is provided with a locking part for fixing the extrusion piece. The utility model clamps the inner and outer side surfaces of the free end of the stomach tube through the matching of the reducing section and the interface, thereby avoiding the connection and disconnection of the inner and outer side surfaces caused by the pulling of external force; meanwhile, the stomach tube can be tightly connected with the interface, and the liquid input by the infusion tube is prevented from leaking from the connection part of the stomach tube and the interface.

Description

Gastrointestinal infusion apparatus with firm connection

Technical Field

The utility model relates to the field of medical equipment, concretely relates to firm in connection's intestines and stomach transfusion system.

Background

Aiming at the patients who can not eat normally clinically, the stomach tube needs to pass through the nasal cavity, the throat and the esophagus in sequence until the stomach tube is sent into the stomach, and then nutrient solution or liquid medicine is injected into the stomach through the stomach tube through a transfusion tube or an injector, so that the function of nutrition support or treatment is achieved.

Wherein the transfer line mainly inserts the tip of stomach tube through a cone head and realizes being connected of transfer line and stomach tube, and liquid easily produces certain hourglass from this connection position in the use, simultaneously, receiving for example the effect of the external force that drags the class that causes when standing up, this connection position easy disconnection causes the nutrient solution to leak outward and easily receive the infection.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the gastrointestinal infusion apparatus can improve the connection strength with a gastric tube and avoid the connection part from leaking.

The utility model discloses a following technical scheme realizes:

a gastrointestinal infusion apparatus with firm connection comprises an infusion tube, wherein an infusion plug is arranged at one end of the infusion tube, the infusion plug is provided with a port, the outer side surface of the port is gradually reduced in diameter along the direction far away from the infusion tube, and the port can be inserted into the free end of a gastric tube and can be used for propping open the free end of the gastric tube;

the infusion plug is connected with an extrusion piece in a sliding manner, the extrusion piece is provided with a through hole sleeved on the infusion plug, the through hole is provided with a reducing section sleeved outside the interface, the inner side surface of the reducing section is gradually reduced in diameter along the direction far away from the infusion tube, and when the extrusion piece slides towards the direction of the infusion tube, the inner side surface of the reducing section and the outer side surface of the interface can clamp the free end of the stretched stomach tube;

the infusion plug is provided with a locking part, and when the free end of the gastric tube is clamped, the locking part is used for fixing the extrusion piece.

Optionally, the outer side surface of the interface surrounds to form a circular truncated cone-shaped structure, the inner side surface of the reducing section surrounds to form a circular truncated cone-shaped structure matched with the interface, and the upper end surface of the circular truncated cone-shaped structure is located on one side, away from the infusion tube, of the lower end surface of the circular truncated cone-shaped structure.

Further optionally, a plurality of first annular projections are arranged on the outer side surface of the interface at intervals along the axial direction.

Further optionally, the inner side surface of the reducing section is provided with a plurality of second annular lugs arranged at intervals along the axial direction.

Further optionally, when the free end of the gastric tube is clamped, a shadow portion of any first annular bump projected on the inner side surface of the diameter-reducing section along a direction perpendicular to the outer side surface of the interface is located between two adjacent second annular bumps.

Optionally, a plurality of sliders are arranged on the inner side surface of the through hole at intervals around the axis, a plurality of sliding strips are arranged on the outer side surface of the infusion plug at intervals around the axis, the sliding strips are arranged along the axis direction, and sliding grooves matched with the sliders are formed between adjacent sliding strips at intervals.

Further optionally, the locking portion includes a clamping groove disposed on the slide bar, the clamping groove is located at one end of the slide bar close to the infusion tube, and when the free end of the gastric tube is clamped, the slider slides out of the sliding groove and can be clamped into the clamping groove by rotating the extrusion piece.

Optionally, the extrusion piece is made of a transparent material.

Optionally, the infusion tube is further provided with a branch tube joint for injecting liquid medicine.

Further optionally, a check valve for preventing liquid in the infusion tube from leaking out is arranged on the branch tube joint.

The utility model discloses have following advantage and beneficial effect:

1. the gastrointestinal infusion apparatus with firm connection provided by the utility model extrudes the inner side surface and the outer side surface of the free end of the stomach tube through the matching of the reducing section and the interface, thereby realizing the clamping of the free end of the stomach tube, ensuring the connection strength of the stomach tube and the infusion tube, and avoiding the disconnection of the stomach tube and the infusion tube caused by the pulling of external force; meanwhile, the stomach tube and the interface are connected tightly, and the liquid input by the infusion tube is prevented from leaking from the connection part of the stomach tube and the interface.

2. The utility model provides a pair of firm in connection's stomach intestine transfusion system, through first annular lug and/or second annular lug are strengthened the through-hole is followed with the interface extrusion and the centre gripping effect to the stomach tube free end in the use the through-hole is deviate from with the interface fingertip. When the two uses simultaneously, all stagger in proper order on the centre gripping position of stomach tube free end through making first annular lug and second annular lug, avoid from this when arbitrary first annular lug and arbitrary second annular lug centre gripping in the corresponding both sides at the same position of stomach tube free end, cause this position wall thickness too thin and extrusion force too big to lead to this position damaged, influence the stomach tube with the joint strength of transfer line.

3. The utility model provides a pair of firm in connection's stomach intestine transfusion system, through the cooperation of slider and draw-in groove and stomach tube free end pair the support of extruded article is realized rightly the fixed of extruded article is avoided the extrusion piece removes the centre gripping inefficacy that leads to the stomach tube free end.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is an overall schematic view of embodiment 1 of the present invention;

FIG. 2 is a schematic view of an infusion plug according to embodiment 1 of the present invention;

FIG. 3 is a sectional view of an extrusion member according to embodiment 1 of the present invention;

fig. 4 is a schematic view of the free end of a gastric tube of embodiment 1 of the present invention just entering an extrusion;

fig. 5 is a schematic view showing the free end of the gastric tube sleeved on the interface according to embodiment 1 of the present invention;

fig. 6 is a schematic view showing the free end of a gastric tube according to embodiment 1 of the present invention being clamped;

FIG. 7 is a schematic view taken at A-A in FIG. 6 when the slider slides in the slide slot;

fig. 8 is a schematic view of fig. 6 at a-a when the slider is engaged with the card slot.

Reference numbers and corresponding part names in the drawings:

the device comprises a 1-infusion tube, a 11-branch tube joint, a 12-check valve, a 2-infusion plug, a 21-interface, a 22-first annular bump, a 23-slide bar, a 24-clamping groove, a 25-sliding groove, a 3-extrusion piece, a 31-through hole, a 311-reducing section, a 32-second annular bump, a 33-sliding block and a 4-stomach tube free end.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.

Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the present invention. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the scope of the present invention.

Example 1:

a gastrointestinal infusion apparatus with firm connection is shown in figures 1 to 8 and comprises an infusion tube 1, wherein an infusion plug 2 is arranged at one end of the infusion tube 1, the infusion plug 2 is provided with a port 21, the outer side surface of the port 21 is gradually reduced in diameter along the direction far away from the infusion tube 1, and the port 21 can be inserted into a stomach tube free end 4 and can stretch the stomach tube free end 4;

the infusion plug 2 is slidably connected with an extrusion part 3, as shown in fig. 3, the extrusion part 3 is provided with a through hole 31 which is sleeved on the infusion plug 2, the through hole 31 is provided with a reducing section 311 which is sleeved outside the interface 21, the inner side surface of the reducing section 311 is gradually reduced in diameter along the direction far away from the infusion tube 1, and when the extrusion part 3 slides towards the infusion tube 1, the inner side surface of the reducing section 311 and the outer side surface of the interface 21 can clamp the free end 4 of the gastric tube which is stretched;

the infusion plug 2 is provided with a locking part which is used for fixing the extrusion piece 3 when the stomach tube free end 4 is clamped.

Wherein the stomach tube free end 4 is the end exposed outside the human body when the stomach tube is inserted into the human body. When needing transfer line 1 through infusion plug 2 with when stomach tube free end 4 is connected, make extrusion piece 3 to keeping away from the direction of transfer line 1 slides, this moment the medial surface of reducing section 311 with the fit clearance width between the lateral surface of interface 21 is great, as shown in fig. 4, stomach tube free end 4 can be smooth follow through-hole 31 is kept away from one side opening of transfer line 1 inserts, and as shown in fig. 5, the cover is established on interface 21, interface 21 will stomach tube free end 4 struts, later as shown in fig. 6, makes extrusion piece 3 to being close to the direction of transfer line 1 slides, this moment the inner wall of reducing section 311 can support and lean on the stomach tube free end 4 lateral surface that is strut. The pressing piece 3 and the infusion plug 2 are relatively fixed through the locking part, and the clamping effect on the free end 4 of the gastric tube is ensured.

Therefore, the inner side surface and the outer side surface of the stomach tube free end 4 are extruded through the matching of the reducing section 311 and the interface 21, so that the stomach tube free end 4 is clamped, the connection strength of the stomach tube and the infusion tube 1 is ensured, and the connection and disconnection of the stomach tube and the infusion tube 1 caused by the pulling of external force are avoided; meanwhile, the stomach tube can be tightly connected with the interface 21, and the liquid input by the infusion tube 1 is prevented from leaking from the connection part of the stomach tube and the interface.

It should be noted that the diameter of the opening of the reduced diameter section 311 on the side away from the infusion tube 1 is slightly larger than the outside diameter of the stomach tube free end 4, so that the stomach tube free end 4 can be inserted into the stomach tube free end 4 from the side opening; the diameter of the opening of one side of the interface 21, which is far away from the infusion tube 1, is slightly smaller than the diameter of the inner side of the stomach tube free end 4, so that the interface 21 can be conveniently inserted into the stomach tube free end 4.

Wherein, in order to see through extruded piece 3 observes stomach tube free end 4 with the connection situation of interface 21 ensures that there is sufficient stomach tube end cover to establish on interface 21, extruded piece 3's material is transparent material.

In one or more embodiments, an outer side surface of the interface 21 surrounds to form a circular truncated cone-shaped structure, and an inner side surface of the reducing section 311 surrounds to form a circular truncated cone-shaped structure adapted to the interface 21, wherein an upper end surface of the circular truncated cone-shaped structure is located on one side of a lower end surface of the circular truncated cone-shaped structure, which is far away from the infusion tube 1.

The upper end face of the circular truncated cone-shaped structure is a side end face with a smaller circular truncated cone diameter, the lower end face of the circular truncated cone-shaped structure is a side end face with a larger circular truncated cone diameter, the interface 21 and the circular truncated cone-shaped structure are coaxial, and the following axes are all the axes.

Wherein the outer side of the port 21 and the inner side of the reduced diameter section 311 are at an angle of about 5-10 DEG relative to the axis

A plurality of first annular projections 22 may be provided on the outer side surface of the port 21 at intervals in the axial direction. A plurality of second annular projections 32 may be provided on the inner surface of the reduced diameter section 311 at intervals in the axial direction.

The first annular bump 22 and/or the second annular bump 32 can enhance the squeezing and clamping effects of the through hole 31 and the interface 21 on the stomach tube free end 4, and prevent the stomach tube free end 4 from coming out of the through hole 31 and the interface 21 in the fingertip process.

When the stomach tube free end 4 is clamped and the first annular bump 22 and the second annular bump 32 are arranged at the same time, the shadow part of any first annular bump 22 projected on the inner side of the reduced-diameter section 311 along the direction perpendicular to the outer side of the interface 21 is located between two adjacent second annular bumps 32.

The first annular convex block 22 and the second annular convex block 32 are staggered in sequence at the clamping point position of the stomach tube free end 4, so that the situation that when any first annular convex block 22 and any second annular convex block 32 are clamped at the corresponding two sides of the same part of the stomach tube free end 4, the wall thickness of the part is too thin, the extrusion force is too large, the part is damaged, and the connection strength of the stomach tube and the infusion tube 1 is affected is avoided.

In one or more embodiments, a plurality of sliding blocks 33 are arranged on the inner side surface of the through hole 31 at intervals around the axis, a plurality of sliding strips 23 are arranged on the outer side surface of the infusion plug 2 at intervals around the axis, the sliding strips 23 are arranged along the axis direction, and sliding grooves 25 matched with the sliding blocks 33 are formed between adjacent sliding strips 23 at intervals.

As shown in figure 7, the sliding block 33 is matched with the sliding strip 23 for realizing the relative sliding of the extrusion part 3 and the infusion plug 2 during the process of clamping the free end 4 of the gastric tube, wherein the sliding path of the extrusion part 3 is parallel to the axis.

At this time, in one or more embodiments, the locking part comprises a clamping groove 24 arranged on the slide 23, the clamping groove 24 is arranged at one end of the slide 23 close to the infusion tube 1, when the stomach tube free end 4 is clamped, the sliding block 33 slides out of the sliding groove 25, and the sliding block 33 can be clamped into the clamping groove 24 by rotating the pressing piece 3.

When the reducing section 311 and the interface 21 start to clamp the free end 4 of the gastric tube, a large force in the direction of the infusion tube 1 is applied to the extrusion piece 3, so that the extrusion piece 3 overcomes the blockage of the free end 4 of the gastric tube and slides a small distance in the direction of the infusion tube 1, the sliding block 33 is just out of the range of the sliding groove 25, the extrusion piece 3 rotates with a large force to enable the sliding block 33 to slide into the clamping groove 24, and at the moment, as shown in fig. 8, the extrusion piece 3 is fixed by the matching of the sliding block 33 and the clamping groove 24 and the support of the free end 4 of the gastric tube to the extrusion piece 3, so that the extrusion piece is prevented from being moved to cause the clamping failure of the free end 4 of the gastric tube.

It should be noted that, because the slot 24 is only used for positioning the slider 33 in the circumferential direction, so as to avoid clamping failure caused by the slider 33 sliding into the sliding slot 25 again, the slot depth of the slot 24 is small, namely 1-2 mm; just draw-in groove 24 is apart from the interval of spout 25 is shorter, avoids extruded article 3 need carry out rotation by a wide margin, leads to stomach tube free end 4 to wear at extruded article 3 rotation process.

When liquid medicine needs to be input into a user, the infusion tube 1 needs to be disconnected from the gastric tube, and the liquid medicine is injected from the free end 4 of the gastric tube, at the moment, the infusion tube 1 and the gastric tube are repeatedly connected, so that the connection part of the infusion tube 1 and the gastric tube is not flexible, particularly, the infusion tube 1 and the gastric tube are difficult to repeatedly connect in a locking mode of matching the sliding block 33 with the clamping groove 24, a branch tube joint 11 for injecting the liquid medicine is directly reserved on the infusion tube 1, and the phenomenon that the subsequent connection is not firm due to repeated disconnection of the infusion tube 1 and the gastric tube is avoided.

Wherein, the branch pipe joint 11 is provided with a check valve 12 for preventing liquid in the transfusion pipe 1 from leaking.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. The gastrointestinal infusion apparatus is characterized by comprising an infusion tube (1), wherein one end of the infusion tube (1) is provided with an infusion plug (2), the infusion plug (2) is provided with a port (21), the outer side surface of the port (21) is gradually reduced in diameter along the direction far away from the infusion tube (1), and the port (21) can be inserted into a stomach tube free end (4) and can prop open the stomach tube free end (4);

the infusion plug (2) is connected with an extrusion piece (3) in a sliding mode, the extrusion piece (3) is provided with a through hole (31) which is sleeved on the infusion plug (2), the through hole (31) is provided with a reducing section (311) which is sleeved outside the interface (21), the inner side surface of the reducing section (311) gradually reduces in diameter along the direction far away from the infusion tube (1), and when the extrusion piece (3) slides towards the infusion tube (1), the inner side surface of the reducing section (311) and the outer side surface of the interface (21) can clamp the free end (4) of the gastric tube which is stretched;

the infusion plug (2) is provided with a locking part, and when the stomach tube free end (4) is clamped, the locking part is used for fixing the extrusion piece (3).

2. The gastrointestinal infusion apparatus with firm connection according to claim 1, wherein the outer side surface of the port (21) surrounds to form a truncated cone-shaped structure, the inner side surface of the reducing section (311) surrounds to form a truncated cone-shaped structure matched with the port (21), and the upper end surface of the truncated cone-shaped structure is positioned on one side of the lower end surface of the truncated cone-shaped structure, which is far away from the infusion tube (1).

3. A securely connected gastrointestinal infusion set according to claim 2 wherein the outer side of the port (21) is provided with a plurality of first annular projections (22) spaced axially.

4. A securely connected gastrointestinal infusion set according to claim 3 wherein the inner side of the reduced diameter section (311) has a plurality of second annular projections (32) spaced axially.

5. A securely connected gastrointestinal infusion set according to claim 4 wherein when the gastric tube free end (4) is clamped, the shadow of any first annular projection (22) projected onto the inner side of the reduced diameter section (311) in a direction perpendicular to the outer side of the port (21) is located between two adjacent second annular projections (32).

6. The gastrointestinal infusion set with the firm connection function is characterized in that a plurality of sliding blocks (33) are arranged on the inner side face of the through hole (31) at intervals around the axis, a plurality of sliding strips (23) are arranged on the outer side face of the infusion plug (2) at intervals around the axis, the sliding strips (23) are arranged along the axis direction, and sliding grooves (25) matched with the sliding blocks (33) are formed between the adjacent sliding strips (23) at intervals.

7. A securely connected gastrointestinal infusion set according to claim 6 wherein the locking portion comprises a catch (24) provided on the slide (23), the catch (24) being located at the end of the slide (23) near the infusion tube (1), when the gastric tube free end (4) is clamped, the slider (33) slides out of the slide slot (25) and the slider (33) can be snapped into the catch (24) by rotating the pressing member (3).

8. A securely connected gastrointestinal infusion set according to claim 1 wherein the extrusion (3) is of transparent material.

9. The gastrointestinal infusion set with firm connection according to claim 1, wherein the infusion tube (1) is further provided with a branch joint (11) for injecting liquid medicine.

10. A securely connected gastrointestinal infusion set according to claim 9 wherein the branch fitting (11) is provided with a check valve (12) for preventing fluid in the infusion tube (1) from leaking out.

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