CN211272666U

CN211272666U - Universal connector for drainage bag

Info

Publication number: CN211272666U
Application number: CN201921962747.XU
Authority: CN
Inventors: 秦雯
Original assignee: Hubei Cancer Research Institute of Hubei Cancer Hospital
Current assignee: Hubei Cancer Research Institute of Hubei Cancer Hospital
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-08-18
Anticipated expiration: 2029-11-13

Abstract

The utility model discloses a universal interface of a drainage bag, which comprises a connector head, an elastic sealing ring and a positioning tube, wherein an internal channel of the connector head sequentially comprises a connecting hole section, a joint hole section and a positioning hole section along the axial direction, and the connecting hole section is used for being connected with a tube orifice of the drainage bag; the joint hole section is a conical hole, and the inner diameter of the connecting hole section is gradually reduced along the axial direction from the positioning hole section to the connecting hole section; the elastic sealing ring is used for being sleeved and fixed on the peripheral outer wall of the output port of the drainage tube; the positioning pipe is used for being connected with the positioning hole section; when the drainage tube is used, the output end of the drainage tube sequentially penetrates through the positioning tube and is inserted into the corresponding hole section in the joint hole section, and the elastic sealing ring is tightly pressed between the outer wall of the drainage tube and the inner wall of the joint hole section; and a joint hole section between the positioning pipe and the elastic sealing ring is filled with a plurality of elastic spheres. The utility model provides a fix general interface on drainage bag, like this same batch of drainage bag can match with the drainage tube interface of multiple size specification.

Description

Universal connector for drainage bag

Technical Field

The utility model relates to the technical field of surgical instruments, concretely relates to universal interface of drainage bag.

Background

The drainage bag generally refers to a transparent plastic bag which is used for specially containing the liquid drained out from the drainage tube and is led out by a pipeline when the blood seepage, the effusion and the like in the body or in the deep part of the operation need to be led out after the operation.

For example, after the operation of a hepatobiliary surgery patient, a doctor can keep in various pipelines such as a hepatobiliary drainage tube, a pancreatic duct, an abdominal drainage tube and the like according to the actual condition of the patient, because the pipe diameters of various drainage tubes are different, the outer interfaces of the drainage tubes have different specifications of thickness or fineness, the pipe diameter of the joint of the drainage bag is thick, and the interfaces of the drainage tube and the drainage bag are not matched easily, so that the drainage tube and the drainage bag are not easy to connect and fix; the conventional operation is that the adhesive tape is adopted to seal the joint of the two, but liquid leakage still frequently occurs, the joint drops and other phenomena, the problems of polluting clothes, beddings and the like of patients are caused, the beddings and the like are often polluted, and the beddings, the quilt covers and the clothes of the patients are often polluted, so that the workload and the infection risk of medical workers are increased.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: all kinds of drainage tube interfaces are different in size and specification, and the drainage bag interface problem of mismatching easily appears, has easily increased medical worker's work load and infection risk, the utility model provides a solve the general interface of drainage bag of above-mentioned problem, applicable in but not limiting to hepatobiliary drainage surgery technical field.

The utility model discloses a following technical scheme realizes:

a universal connector for a drainage bag comprises a connector head, an elastic sealing ring and a positioning tube, wherein an internal channel of the connector head sequentially comprises a connecting hole section, a joint hole section and a positioning hole section along the axial direction, and the connecting hole section is used for being connected with a tube opening of the drainage bag; the joint hole section is a conical hole, and the inner diameter of the connecting hole section is gradually reduced along the axial direction from the positioning hole section to the connecting hole section; the elastic sealing ring is used for being sleeved and fixed on the peripheral outer wall of the output port of the drainage tube; the positioning pipe is used for being connected with the positioning hole section; when the drainage tube is used, the output end of the drainage tube sequentially penetrates through the positioning tube and is inserted into the corresponding hole section in the joint hole section, and the elastic sealing ring is tightly pressed between the outer wall of the drainage tube and the inner wall of the joint hole section; and a joint hole section between the positioning pipe and the elastic sealing ring is filled with a plurality of elastic spheres.

The invention provides a universal interface fixed on a drainage bag, so that the same batch of drainage bags can be matched with drainage tube interfaces with various sizes and specifications. The universal connector is a main structure formed by connector heads, and when the universal connector is used, the connecting hole section of the connector head is fixedly connected with the connector of the drainage bag; the positioning tube is arranged on the drainage tube in a penetrating way; the elastic sealing ring is sleeved at the interface of the drainage tube and can be fixed on the drainage tube in a mode of adhesive bonding and the like; inserting the drainage tube interface into the joint hole section until the drainage tube interface is inserted into the corresponding hole section in the joint hole section, and tightly pressing the elastic sealing ring between the outer wall of the drainage tube and the inner wall of the joint hole section; then filling the joint hole section with an elastic ball; and finally, sliding the positioning tube down the connector along the drainage tube and fixing the positioning tube at the positioning hole section, so that the filled elastic ball is tightly pressed and fixed between the positioning tube and the elastic sealing ring.

Further, the connecting hole section is in threaded connection or in transition fit sleeved connection with a pipe orifice of the drainage bag; the positioning pipe is in threaded connection or in transition fit sleeved connection with the positioning hole section.

For example, the outer wall of the drainage bag interface is in transition fit contact with the inner wall of the connecting hole section or in threaded fit connection; the outer wall of the positioning pipe is in transition fit contact with the inner wall of the positioning hole section or in threaded fit connection.

Furthermore, the outer wall of the positioning pipe is in rigid contact with the positioning hole section, a continuous elastic sealing gasket is arranged on the inner wall of the positioning pipe along the circumferential direction, and the elastic sealing gasket is tightly pressed between the outer wall of the output end of the drainage pipe and the inner wall of the positioning pipe.

Through set up the elastic sealing pad on the inside wall of the positioning tube, on the one hand do benefit to the drainage tube of different pipe diameters and pass, on the other hand plays the limiting displacement to elastic ball, prevents that elastic ball from being extruded by the clearance between positioning tube and the drainage tube of extrusion effect.

Furthermore, the outer side wall of the end part of the positioning tube extends outwards to form a limiting ring, and the outer diameter of the limiting ring is larger than the inner diameter of the positioning hole section.

Through set up the spacing ring at the registration arm tip, prevent that the registration arm pipe shaft from whole embedding registration arm hole section in, playing limiting displacement.

Furthermore, the elastic sealing ring is connected with the circumferential outer wall of the output port of the drainage tube in an adhesive way through an adhesive layer.

The elastic sealing ring is connected with the peripheral outer wall of the output port of the drainage tube in an adhesive way through the adhesive layer, so that the shape of the existing drainage tube is not required to be changed; also can directly produce the drainage tube provided with the integrated elastic sealing ring.

Furthermore, the elastic sealing ring is an elastic rubber ring or an elastic air bag ring.

The utility model discloses have following advantage and beneficial effect:

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 a schematic structural view of the utility model with two ends of the universal interface respectively connected with a drainage tube and a drainage bag;

FIG. 2 is a schematic view of a portion of the structure of FIG. 1;

fig. 3 is a schematic view of the structure of the general interface axial cross section of the present invention.

Reference numbers and corresponding part names in the drawings: 1-connector head, 11-connecting hole section, 12-connecting hole section, 13-positioning hole section, 2-elastic sealing ring, 3-positioning tube, 31-elastic sealing gasket, 32-limiting ring, 4-drainage bag, 5-drainage tube and 6-elastic sphere.

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.

Example 1

The embodiment provides a universal connector for a drainage bag, which comprises a connector head 1, an elastic sealing ring 2 and a positioning tube 3, wherein the outer part of the connector head 1 is of a circular tube structure, an internal channel is of a multi-section reducing circular hole structure, the internal channel of the connector head 1 sequentially comprises a connecting hole section 11, a joint hole section 12 and a positioning hole section 13 in the axial direction, and the connecting hole section 11 is used for being connected with a tube opening of the drainage bag 4; the engaging hole section 12 is a tapered hole, and the inner diameter of the connecting hole section 11 is gradually reduced in the axial direction from the positioning hole section 13 to the connecting hole section 11; the elastic sealing ring 2 is used for being sleeved and fixed on the peripheral outer wall of the output port of the drainage tube 5; the positioning tube 3 is used for connecting with the positioning hole section 13. When in use, the output end of the drainage tube 5 sleeved with the elastic sealing ring 2 sequentially passes through the positioning tube 3 and is inserted into the corresponding hole section in the joint hole section 12, and then the elastic sealing ring 2 is tightly pressed between the outer wall of the drainage tube 5 and the inner wall of the joint hole section 12; the joint hole section 12 between the positioning tube 3 and the elastic sealing ring 2 is filled with a plurality of elastic balls 6, and the elastic balls 6 are tightly pressed between the positioning tube 3 and the elastic sealing ring 2.

Example 2

The drainage bag is further improved on the basis of the embodiment 1, the connecting hole section 11 is in threaded connection or in transition fit sleeved connection with the pipe orifice of the drainage bag 4, and the embodiment adopts threaded connection and fit; the positioning tube 3 is connected with the positioning hole section 13 in a threaded connection or a transition fit sleeve manner, and the embodiment adopts threaded connection. The outer wall of

registration arm

3 and 3 rigid contacts in combination hole section, are equipped with continuous elastic sealing gasket 31 along circumference on the 3 inner walls of registration arm, and elastic sealing gasket 31 compresses tightly between the output outer wall of

drainage tube

5 and 3 inner walls of registration arm. The outer side wall of the end part of the positioning tube 3 extends outwards to form a limiting ring 32, and the outer diameter of the limiting ring 32 is larger than the inner diameter of the positioning hole section 13.

Example 3

The improvement is further improved on the basis of the embodiment 2, the elastic sealing ring 2 is connected with the circumferential outer wall of the output port of the drainage tube 5 in an adhesion way through an adhesive layer, and in addition, the elastic sealing ring 2 and the end part of the drainage tube 5 can also be in an integrated forming structure; the elastic sealing ring 2 is an elastic rubber ring or an elastic air bag ring.

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

1. The universal connector for the drainage bag is characterized by comprising a connector head (1), an elastic sealing ring (2) and a positioning tube (3), wherein an internal channel of the connector head (1) sequentially comprises a connecting hole section (11), a joint hole section (12) and a positioning hole section (13) along the axial direction, and the connecting hole section (11) is used for being connected with a tube opening of the drainage bag (4); the joint hole section (12) is a conical hole, and the inner diameter of the connecting hole section (11) is gradually reduced along the axial direction from the positioning hole section (13) to the connecting hole section (11);

the elastic sealing ring (2) is used for being sleeved and fixed on the circumferential outer wall of the output port of the drainage tube (5); the positioning pipe (3) is used for being connected with the positioning hole section (13);

when the drainage tube is used, the output end of the drainage tube (5) sequentially penetrates through the positioning tube (3) and is inserted into the corresponding hole section in the joint hole section (12), and the elastic sealing ring (2) is tightly pressed between the outer wall of the drainage tube (5) and the inner wall of the joint hole section (12); a joint hole section (12) between the positioning tube (3) and the elastic sealing ring (2) is filled with a plurality of elastic balls (6).

2. The universal port of the drainage bag according to claim 1, wherein the connecting hole section (11) is in threaded connection or transition fit sleeved connection with the orifice of the drainage bag (4); the positioning pipe (3) is in threaded connection or in transition fit sleeved connection with the positioning hole section (13).

3. The universal joint of the drainage bag according to claim 1, wherein the outer wall of the positioning tube (3) is in rigid contact with the positioning hole section (13), a continuous elastic sealing gasket (31) is arranged on the inner wall of the positioning tube (3) along the circumferential direction, and the elastic sealing gasket (31) is tightly pressed between the outer wall of the output end of the drainage tube (5) and the inner wall of the positioning tube (3).

4. The universal interface of the drainage bag according to claim 1, wherein the outer side wall of the end part of the positioning tube (3) extends outwards to form a limiting ring (32), and the outer diameter of the limiting ring (32) is larger than the inner diameter of the positioning hole section (13).

5. The universal port of the drainage bag according to claim 1, wherein the elastic sealing ring (2) is adhesively connected with the peripheral outer wall of the output port of the drainage tube (5) through an adhesive layer.

6. The universal port of the drainage bag according to claim 1, wherein the elastic sealing ring (2) is an elastic rubber ring or an elastic air bag ring.