CN210992236U

CN210992236U - Back-buckling type infusion apparatus

Info

Publication number: CN210992236U
Application number: CN201921577084.XU
Authority: CN
Inventors: 王璐; 戴雪; 田润溪; 刘宇; 周彦芬; 杜妍; 张兵; 孙娜
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-07-14
Anticipated expiration: 2029-09-20

Abstract

The utility model provides a back-off type transfusion device, which relates to the technical field of medical appliances and mainly aims to solve the problem of how to keep the sterile state when the screw port of the transfusion device is disconnected with a trocar. The back-off type infusion apparatus comprises a long tube and a Y-shaped tube which are connected in a run-through manner, wherein the end part of the Y-shaped tube is respectively provided with a connector, a spiral port and a sealing port, and the connector is connected with the long tube; the spiral port and the sealing port are both hollow tubular structures; a buckle cap is movably arranged outside the sealing port and used for sealing the sealing port and preventing liquid in the long pipe from flowing out through the sealing port; a trocar is movably arranged outside the spiral port, and the trocar can convey the liquid in the long tube into the human body; the Y-shaped pipe is further provided with a connecting piece, and the sealing opening and the spiral opening are detachably connected through the connecting piece, so that the sealing opening is sealed with the spiral opening. The utility model is used for medical care.

Description

Back-buckling type infusion apparatus

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a back-off type infusion apparatus.

Background

When a patient is transfused, the transfusion device is connected with the trocar, and liquid is conveyed into the patient through the trocar. In the course of infusion, it is sometimes necessary to stop the infusion halfway and check the condition of the patient. After the fluid is disconnected, the screw port of the infusion set connected to the trocar is exposed, which may lead to contamination of the screw port. In order to prevent the sterile state of the infusion apparatus from being influenced by overlong exposure time, a commonly used method at present is to select a disposable sterile needle to be arranged on a spiral port. However, such a procedure not only risks needle stick injury to the clinical care provider, but also results in unnecessary use and waste of the disposable sterile needle.

In the existing transfusion device, when a patient stops liquid input in the transfusion process, a spiral port connected with a trocar of the transfusion device is exposed, and in order to prevent overlong exposure time and ensure the sterile state, a disposable sterile needle head is required to be screwed up so as to reduce infection in reconnection. According to the technical scheme, the aseptic protection of the section screw can be ensured, the operation of clinical nursing personnel is facilitated, and unnecessary use and waste of the disposable aseptic needle can be reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a back-buckling infusion apparatus. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

The utility model provides a back-off type transfusion device, which comprises a long tube and a Y-shaped tube which are connected in a run-through way, wherein the end part of the Y-shaped tube is respectively provided with a connector, a spiral port and a sealing port, and the connector is connected with the long tube; the spiral port and the sealing port are both hollow tubular structures; a buckle cap is movably arranged outside the sealing port and used for sealing the sealing port and preventing liquid in the long pipe from flowing out through the sealing port; a trocar is movably arranged outside the spiral port, and the trocar can convey the liquid in the long tube into the human body; the Y-shaped pipe is further provided with a connecting piece, and the sealing opening and the spiral opening are detachably connected through the connecting piece, so that the sealing opening is sealed with the spiral opening.

The Y-shaped tube is arranged on the infusion apparatus, three ports of the Y-shaped tube are respectively a connector, a spiral port and a sealing port, when the spiral port needs to be disconnected from the trocar, the spiral port can be connected with the sealing port to avoid the pollution of the spiral port, and the sealing port can seal the pipe orifice of the spiral port to avoid the pollution of the pipe orifice; simultaneously in order to guarantee the sterile condition of sealing opening itself, it has a buckle cap to set up sealing opening tip: when the infusion apparatus is used for normal infusion, the buckle cap is connected with the sealing port, and the end part of the sealing port is in a sterile state; when the spiral opening needs to be sealed, the buckle cap is taken down, and the sealed opening can be connected with the spiral opening.

In the above technical solution, preferably, the Y-shaped tube further includes a connection portion, and the connection portion is located at an intersection of axes of the interface, the spiral port, and the sealing port.

In the above technical solution, preferably, the connecting portion includes a first section, a second section and a third section, wherein a free end of the first section extends outward and is connected to the interface, a free end of the second section extends outward and is connected to the screw port, and a free end of the third section extends outward and is connected to the sealing port.

In the technical scheme, preferably, the included angle between the first section and the second section is α, and α is more than or equal to 90 degrees and less than or equal to 180 degrees.

In the above technical solution, preferably, an included angle between the second section and the third section is β, and 0 ° < β ° is not more than 90 °.

In the above technical solution, preferably, a distance between the screw port and the sealing port is smaller than a distance between the interface and the screw port.

In the above technical solution, preferably, the connecting member includes a first connecting member fixedly disposed on an outer peripheral side of the spiral port and a second connecting member fixedly disposed on an outer peripheral side of the sealing port, and the first connecting member and the second connecting member are detachably connected by a thread.

In the above technical solution, preferably, the first connecting piece includes an annular ring and a hollow tube, the annular ring is vertically disposed on the outer peripheral side of the screw port, one end of the hollow tube is fixedly connected to the edge of the annular ring, the other end of the hollow tube extends toward the end of the screw port to form a first connecting piece wrapping the screw port, and a first thread is disposed on the inner side wall of the first connecting piece; the second connecting piece is a second thread arranged on the outer periphery side of the sealing opening; the first thread and the second thread are in matched connection so that the sealing port and the screw port are fixedly connected.

Through above-mentioned structure, can effectively realize the sealed mouth to the sealed of spiral mouth, avoid the spiral mouth to be polluted.

In the above technical solution, preferably, the buckle cap is fixedly connected to the sealing opening through the second thread.

In the above technical solution, preferably, the Y-shaped pipe is further provided with a filter.

Compared with the prior art, the utility model provides a back-off type transfusion device, compared with the traditional transfusion device, the transfusion device is provided with a Y-shaped piece, one of the three ports of the Y-shaped piece is connected with a long pipe, the other two ports are respectively provided with a screw port and a sealing port, wherein the end part of the sealing port is provided with a buckle cap, the screw port is provided with a trocar, and at the moment, the treatment liquid in the drip cup is conveyed to the screw port through the long pipe and conveyed to the interior of a patient through the trocar; when the connection between the screw opening and the trocar needs to be disconnected, the buckle cap of the sealing opening can be taken down to connect the sealing opening and the screw opening.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the whole structure of the back-buckling infusion set of the present invention;

FIG. 2 is a schematic view showing the overall structure of the Y-shaped tube of FIG. 1;

FIG. 3 is a schematic view of the screw port of FIG. 1;

FIG. 4 is a schematic view of the structure of the sealing port of FIG. 1;

FIG. 5 is a schematic structural view of the back-buckling infusion set of the present invention in a state where the screw port and the sealing port are connected;

fig. 6 is an enlarged view of a structure of a region a in fig. 5.

In the figure: 1. a Y-shaped tube; 11. an interface; 12. a connecting portion; 121. a first stage; 122. a second stage; 123. a third stage; 2. a screw opening; 3. sealing the opening; 4. buckling a cap; 5. a connecting member; 51. a first connecting member; 511. a first thread; 52. a second connecting member; 6. a long tube; 7. a drip cup; 8. a filter; 9. a trocar.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in fig. 1, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

FIG. 1 is a schematic view of the whole structure of the back-buckling infusion apparatus of the present invention; as can be seen from the figure, one end of the infusion apparatus close to the trocar is provided with a Y-shaped pipe which is connected with a long pipe through a filter, the end of the spiral port is connected with the trocar, and the end of the sealing port is provided with a buckle cap (not shown in the figure).

FIG. 2 is a schematic diagram of the overall structure of the Y-tube of FIG. 1, where angle β is acute, angle α is 180 in FIG. 2A, and angle α is obtuse in FIG. 2B, because α is different in size, resulting in two different configurations of the Y-tube.

FIG. 3 is a schematic view of the screw port of FIG. 1; as can be seen from the figure, the periphery side of the screw opening is provided with a first connecting piece which is sleeved on the periphery side of the screw opening, and the inner side surface of the first connecting piece is provided with a first thread.

FIG. 4 is a schematic view of the seal of FIG. 1; the outer periphery side of the end part of the sealing opening is provided with a second connecting piece, namely a second thread, and the buckling cap and the first connecting piece are connected with the sealing opening through the second thread.

FIG. 5 is a schematic structural view of the back-buckling infusion apparatus of the present invention in a state where the spiral port and the sealing port are connected; in comparison with fig. 1, the screw port and the sealing port located at the portion of the region a are now connected, and the trocar is removed from the screw port.

FIG. 6 is an enlarged view of the structure of region A in FIG. 5; as can be seen from the figure, the sealing opening is connected with the screw opening through the first connecting piece positioned on the peripheral side of the screw opening, and meanwhile, the sealing opening is sleeved on the screw opening to realize the sterile sealing of the screw opening, so that the screw opening is prevented from being exposed in the external environment. .

As shown in fig. 1-6, the utility model provides a back-buckling infusion apparatus, this infusion apparatus includes through connection's long tube 6 and Y venturi tube 1, Y venturi tube 1 and drip cup 7 are connected respectively to long tube 6 both ends, as shown in fig. 1, can link to each other through filter 8 between long tube 6 and the Y venturi tube 1, also can the lug connection together (the integral type sets up), two other ports of Y venturi tube 1 are spiral mouth 2 and seal port 3 respectively, wherein spiral mouth 2 links to each other with trocar 9, this trocar 9 can be the indwelling needle.

The end part of the Y-shaped pipe 1 is respectively provided with a connector 11, a spiral port 2 and a sealing port 3, wherein the connector 11 is connected with the long pipe 6; the spiral port 2 and the sealing port 3 are both hollow tubular structures; a buckle cap 4 is movably arranged outside the sealing port 3, and the buckle cap 4 is used for sealing the sealing port 3 to prevent liquid in the long pipe 6 from flowing out through the sealing port 3; a trocar 9 is movably arranged outside the spiral port 2, and the trocar 9 can convey the liquid in the long tube 6 into the human body; the Y-shaped pipe 1 is further provided with a connecting piece 5, and the sealing port 3 and the spiral port 2 are detachably connected through the connecting piece 5, so that the sealing port 3 seals the spiral port 2.

The infusion apparatus is provided with a Y-shaped tube 1, three ports of the Y-shaped tube 1 are respectively a connector 11, a spiral port 2 and a sealing port 3, when the spiral port 2 needs to be disconnected from a trocar 9, in order to avoid the spiral port 2 from being polluted, the spiral port 2 and the sealing port 3 can be connected, and at the moment, the sealing port 3 can seal the tube opening of the spiral port 2, so that the tube opening is prevented from being polluted; meanwhile, in order to ensure the sterile state of the sealing port 3, a buckle cap 4 is arranged at the end part of the sealing port 3: when the infusion apparatus is used for normal infusion, the buckle cap 4 is connected with the sealing port 3, and the end part of the sealing port 3 is in a sterile state; when the screw opening 2 needs to be sealed, the sealing opening 3 and the screw opening 2 can be connected by taking off the buckle cap 4.

Specifically, the distance between the branch of the Y-shaped pipe 1 and the spiral port 2 and the distance between the branch of the Y-shaped pipe and the sealing port 3 are respectively 5cm and 8 cm.

As an alternative embodiment, the Y-tube 1 further comprises a connection portion 12, and the connection portion 12 is located at the intersection of the axes of the interface 11, the spiral port 2 and the sealing port 3.

It should be noted that the connecting portion 12 may be integrally provided with the interface 11, the screw port 2 and the sealing port 3; meanwhile, the connecting part 12 of the Y-shaped pipe 1 can be thickened relative to other areas of the Y-shaped pipe 1 properly so as not to influence the connection of the spiral port 2 and the sealing port 3.

In an alternative embodiment, as shown in fig. 2, the connecting portion 12 includes a first segment 121, a second segment 122 and a third segment 123, wherein the free end of the first segment 121 extends outward and is connected to the port 11, the free end of the second segment 122 extends outward and is connected to the spiral port 2, and the free end of the third segment 123 extends outward and is connected to the sealing port 3.

Alternatively, the included angle between the first segment 121 and the second segment 122 is α, 90 ° ≦ α ≦ 180 °, α in fig. 2A is 180 °, where the first segment 121 and the second segment 122 are collinear, and α in fig. 2B is an obtuse angle.

It should be noted that, in order to ensure that the sealing port 3 and the screw port 2 can be connected smoothly, as an alternative embodiment, the included angle between the second section 122 and the third section 123 is β, and 0 ° < β ≦ 90 °.

As an alternative embodiment, the distance between the screw mouth 2 and the sealing mouth 3 is smaller than the distance between the interface 11 and the screw mouth 2.

As an alternative embodiment, the connecting piece 5 comprises a first connecting piece 51 fixedly arranged on the outer periphery side of the spiral port 2 and a second connecting piece 52 fixedly arranged on the outer periphery side of the sealing port 3, and the first connecting piece 51 and the second connecting piece 52 are detachably connected through threads.

As an alternative embodiment, the first connecting element 51 comprises an annular ring and a hollow tube, the annular ring is vertically arranged on the outer periphery of the screw opening 2, one end of the hollow tube is fixedly connected with the edge of the annular ring, the other end of the hollow tube is extended towards the end of the screw opening 2 so as to form the first connecting element 51 wrapping the screw opening 2, and a first thread 511 is arranged on the inner side wall of the first connecting element 51, as shown in fig. 3; the second connector 52 is a second screw provided on the outer peripheral side of the seal port 3, as shown in fig. 4; the first thread 511 and the second thread are coupled to each other to fixedly couple the sealing port 3 and the screw port 2.

It should be noted that, for the convenience of connection, the difference between the free end of the hollow tube and the free end of the spiral port 2 is 2-4mm along the axial direction; in addition, the gap between the hollow pipe and the spiral port 2 can be just inserted by the sealing port 3. Through the structure, the sealing of the sealing port 3 to the spiral port 2 can be effectively realized, the pollution of the spiral port 2 is avoided, the structure of the infusion set is shown in fig. 5, and the connection condition of the sealing port 3 and the spiral port 2 is shown in fig. 6.

Since the outer periphery of the sealing port 3 is provided with the second thread, the snap cap 4 is fixedly connected with the sealing port 3 via the second thread as an alternative embodiment.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The back-buckling type infusion apparatus is characterized by comprising a long tube (6) and a Y-shaped tube (1) which are connected in a penetrating way, wherein the end part of the Y-shaped tube (1) is respectively provided with a connector (11), a spiral port (2) and a sealing port (3), and the connector (11) is connected with the long tube (6); the spiral port (2) and the sealing port (3) are both hollow tubular structures; a buckle cap (4) is movably arranged outside the sealing port (3), and the buckle cap (4) is used for sealing the sealing port (3) and preventing the liquid in the long pipe (6) from flowing out through the sealing port (3); a trocar (9) is movably arranged outside the spiral port (2), and the trocar (9) can convey the liquid in the long pipe (6) into the human body; still be provided with connecting piece (5) on Y venturi tube (1), sealing port (3) with spiral mouth (2) warp connecting piece (5) realize dismantling the connection, thereby make sealing port (3) seal spiral mouth (2).

2. The clip-on infusion set according to claim 1, wherein the Y-tube (1) further comprises a connection portion (12), the connection portion (12) being located at the intersection of the axes of the hub (11), the screw port (2) and the sealing port (3).

3. The clip-on infusion set according to claim 2, wherein the connecting portion (12) comprises a first section (121), a second section (122) and a third section (123), wherein the free end of the first section (121) extends outwards and is connected to the port (11), the free end of the second section (122) extends outwards and is connected to the screw port (2), and the free end of the third section (123) extends outwards and is connected to the sealing port (3).

4. The back-off infusion set according to claim 3, wherein the angle between the first section (121) and the second section (122) is α, α is 90 ° or more and 180 ° or less.

5. The back-buckling infusion set according to claim 3, wherein the angle between the second section (122) and the third section (123) is β, 0 ° < β ° or less than 90 °.

6. The clip-on infusion set according to claim 1, wherein the distance between the screw port (2) and the sealing port (3) is smaller than the distance between the hub (11) and the screw port (2).

7. The clip-back infusion set according to claim 1, wherein the connector (5) comprises a first connector (51) fixedly arranged on the outer periphery of the screw port (2) and a second connector (52) fixedly arranged on the periphery of the sealing port (3), and the first connector (51) and the second connector (52) are detachably connected through threads.

8. The clip-back infusion set according to claim 7, wherein the first connecting piece (51) comprises an annular ring and a hollow tube, the annular ring is vertically arranged on the outer periphery of the screw port (2), one end of the hollow tube is fixedly connected with the edge of the annular ring, the other end of the hollow tube extends towards the end of the screw port (2) to form the first connecting piece (51) wrapping the screw port (2), and a first thread (511) is arranged on the inner side wall of the first connecting piece (51); the second connecting piece (52) is a second screw thread arranged on the outer periphery side of the sealing opening (3); the first thread (511) and the second thread are in fit connection so as to fixedly connect the sealing port (3) and the screw port (2).

9. The clip-back infusion set according to claim 8, wherein the cap (4) is fixedly connected to the sealing port (3) via the second thread.

10. The clip-on infusion set according to claim 1, wherein a filter (8) is further provided on the Y-tube (1).