CN215134165U

CN215134165U - Novel medical drainage device

Info

Publication number: CN215134165U
Application number: CN202120271712.2U
Authority: CN
Inventors: 周义龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-12-14
Anticipated expiration: 2031-02-01

Abstract

The utility model provides a novel medical drainage device, which comprises a negative pressure device, a drainage needle head and a drainage tube, wherein the negative pressure device comprises a piston tube, the front end surface of the piston tube is provided with a piston tube connector, a piston push-pull rod capable of moving along the length direction of the piston tube is arranged in the piston tube, the front end of the piston push-pull rod is provided with a piston head, the rear end of the piston tube is provided with a limit sleeve through threaded connection, and a push-pull hole for the piston push-pull rod to pass through is arranged in the limit sleeve; the outer side surface of the piston push-pull rod is provided with a limiting convex strip which is arranged along the length direction of the piston push-pull rod, and the outer side surface of the limiting convex strip is provided with a sawtooth-shaped limiting groove; limiting bulges are arranged in the push-pull hole in an annular array mode, and a pull rod handle is arranged at the rear end of the piston push-pull rod; the negative pressure device is connected with the drainage needle through a drainage tube. The utility model discloses simple structure, reasonable in design, easy operation can effectually carry out the drainage to patient.

Description

Novel medical drainage device

Technical Field

The utility model belongs to the field of medical equipment, concretely relates to novel medical drainage device.

Background

Medical staff need use the drainage tube to carry out the drainage when carrying out the operation, but current drainage tube uses the syringe to make mostly the doctor scene, and this kind of device is operated more complicacy, and can't be according to actual conditions ration drainage, is unfavorable for going on of operation.

Aiming at the technical problems existing in the prior art, the utility model provides a novel medical drainage device.

SUMMERY OF THE UTILITY MODEL

According to the technical problem that exists among the prior art, the utility model provides a novel medical drainage device, it is simple to have the knot, and convenient operation can effectively carry out the drainage.

In order to achieve the above purpose, the utility model provides a technical scheme as follows:

a novel medical drainage device comprises a negative pressure device, a drainage needle head and a drainage tube, wherein the negative pressure device comprises a piston tube, the front end surface of the piston tube is provided with a piston tube connector, a piston push-pull rod capable of moving along the length direction of the piston tube is arranged in the piston tube, the front end of the piston push-pull rod is provided with a piston head, the rear end of the piston tube is provided with a limit sleeve through threaded connection, and a push-pull hole for the piston push-pull rod to pass through is formed in the limit sleeve; the outer side surface of the piston push-pull rod is provided with a limiting convex strip, the limiting convex strip is arranged along the length direction of the piston push-pull rod, and a sawtooth-shaped limiting groove is formed in the outer side surface of the limiting convex strip; the push-pull hole is internally provided with 4 limiting bulges in an annular array, wherein the limiting bulges are of a fan-shaped structure with an angle of 50 degrees; the limiting protrusion is matched with the limiting groove, so that the piston push-pull rod can be locked without manually finding another obstacle for fixing.

The rear end of the piston push-pull rod is provided with a pull rod handle, the pull rod handle is in threaded connection with the piston push-pull rod, the two ends of the pull rod handle are symmetrically provided with guard lugs, and the guard lugs are of arc-shaped structures which are formed by extending downwards from the two ends of the pull rod handle.

Preferably, the drainage syringe needle is connected through the drainage tube with the negative pressure device, and wherein the upper end of drainage tube is provided with the first drainage tube connector of being connected with the cooperation of piston union coupling head, be provided with airtight switch on the first drainage tube connector, wherein first drainage tube connector is connected through the screw with the piston union coupling head, and the lower extreme of drainage tube is provided with the second drainage tube connector of being connected with the drainage syringe needle cooperation.

Preferably, the side surfaces of the first drainage tube connector and the second drainage tube connector are symmetrically provided with auxiliary handles.

Preferably, the piston head is made of rubber materials, and the outer side surface of the piston head is provided with two annular protrusions, wherein the outer diameter of the two annular protrusions is larger than the inner diameter of the piston tube. The annular protrusion may allow the piston head to be more tightly coupled to the inner wall of the piston tube.

Preferably, the rear ends of the outer side surfaces of the piston tubes are symmetrically provided with baffle plates.

Preferably, the outer side surface of the limiting sleeve is provided with a limiting step matched with the piston tube.

Preferably, the number of the limiting convex strips is 4, wherein the annular array of the limiting convex strips is arranged on the outer side surface of the piston push-pull rod (4), and the angle between every two adjacent limiting convex strips is 90 degrees.

The utility model discloses an active effect who has:

1. the utility model discloses a set up the spacing recess of cockscomb structure on the piston push-and-pull rod and set up spacing arch on the stop collar, can make negative pressure device can realize the self-locking when using, make the intraductal negative pressure state that forms of piston, can select the gear of suitable piston push-and-pull rod to carry out the ration drainage according to actual conditions simultaneously.

2. The utility model discloses an adopt between drainage tube and the negative pressure device is detachable construction, conveniently changes the drainage tube when using, uses more convenient and fast.

Drawings

In order that the disclosure may be more readily understood, the invention will now be described in detail with reference to specific embodiments thereof and with reference to the accompanying drawings, in which

Fig. 1 is a schematic structural view of a novel medical drainage device of the utility model;

FIG. 2 is a sectional view of the novel medical drainage device along the A-A direction of a negative pressure device;

fig. 3 is a structural schematic view of the locking state of the negative pressure device in the novel medical drainage device of the utility model;

fig. 4 is a schematic structural view of a stop collar in the novel medical drainage device.

Reference numerals:

1-piston tube, 101-protective plate, 2-limiting sleeve, 201-push-pull hole, 202-limiting groove, 203-limiting step, 3-push-pull handle, 301-protective lug, 4-piston push-pull rod, 5-limiting convex strip, 501-limiting groove, 6-drainage tube, 601-first drainage tube connector, 601 a-airtight switch, 602-second drainage tube connector, 7-drainage needle head, 8-piston head, 801-annular bulge, 9-piston tube connector and 10-auxiliary handle.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to the specific implementation situation. The utility model discloses each technical feature in the creation can the interactive combination under the prerequisite that does not contradict conflict each other.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description of the present invention, and 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. 1-4 are schematic structural views of a medical drainage device of the present invention, including a negative pressure device, a drainage needle 7 and a drainage tube 6, the negative pressure device includes a piston tube 1, a piston tube connector 9 is disposed on a front end surface of the piston tube 1, a piston push-pull rod 4 capable of moving along a length direction of the piston tube 1 is disposed in the piston tube 1, a piston head 8 is disposed at a front end of the piston push-pull rod 4, a stop collar 2 is disposed at a rear end of the piston tube 1 through a threaded connection, and a push-pull hole 201 for the piston push-pull rod 4 to pass through is disposed in the stop collar 2;

a limiting convex strip 401 is arranged on the outer side surface of the piston push-pull rod 4, the limiting convex strip 401 is arranged along the length direction of the piston push-pull rod 4, and a sawtooth-shaped limiting groove 402 is arranged on the outer side surface of the limiting convex strip 401;

the push-pull hole 201 is internally provided with limiting protrusions 202 in an annular array, the number of the limiting protrusions 202 is 4, and the limiting protrusions 202 are of a fan-shaped structure with an angle of 50 degrees;

the rear end of the piston push-pull rod 4 is provided with a pull rod handle 3, the pull rod handle 3 is in threaded connection with the piston push-pull rod 4, two ends of the pull rod handle 3 are symmetrically provided with a protective lug 301, and the protective lugs 301 are of arc-shaped structures extending downwards from two ends of the pull rod handle 3.

Further, drainage syringe needle 7 and negative pressure device are connected through drainage tube 6, and wherein the upper end of drainage tube 6 is provided with the first drainage tube connector 601 of being connected with the cooperation of piston union coupling head 9, be provided with airtight switch 601a on the first drainage tube connector 601, wherein first drainage tube connector 601 is connected through the screw with piston union coupling head 9, and the lower extreme of drainage tube 6 is provided with the second drainage tube connector 602 of being connected with the cooperation of drainage syringe needle.

Further, the side surfaces of the first drainage tube connector 601 and the second drainage tube connector 602 are symmetrically provided with auxiliary handles 10.

Further, the piston head 8 is made of rubber material, and the outer side surface of the piston head 8 is provided with two annular protrusions 801, wherein the outer diameter of the two annular protrusions 801 is larger than the inner diameter of the piston tube 1.

Further, the rear ends of the outer side surfaces of the piston tubes 1 are symmetrically provided with baffle plates 101.

Furthermore, the outer side surface of the limiting sleeve 2 is provided with a limiting step 203 matched with the piston tube 1.

Furthermore, the number of the limiting convex strips 5 is 4, wherein the limiting convex strips 5 are arranged on the outer side surface of the piston push-pull rod 4 in an annular array, and the angle between every two adjacent limiting convex strips 5 is 90 degrees.

The working principle is as follows:

the negative pressure device, the drainage tube and the drainage needle head are sequentially connected, then an airtight switch arranged at a first drainage tube connector is closed, then the piston push-pull tube is pulled backwards, then a proper gear is selected for locking, a negative pressure state is formed in the piston tube, then the drainage needle head is used for puncturing the position needing drainage operation, then the airtight switch is opened, the negative pressure device starts drainage, the airtight switch is closed after the operation is completed, the drainage needle head is pulled out, and the drainage operation is completed.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims

1. The utility model provides a novel medical drainage device, includes negative pressure device, drainage syringe needle (7) and drainage tube (6), its characterized in that: the negative pressure device comprises a piston pipe (1), a piston pipe connector (9) is arranged on the front end face of the piston pipe (1), a piston push-pull rod (4) capable of moving along the length direction of the piston pipe (1) is arranged in the piston pipe (1), a piston head (8) is arranged at the front end of the piston push-pull rod (4), a limiting sleeve (2) is arranged at the rear end of the piston pipe (1) in a threaded connection mode, and a push-pull hole (201) for the piston push-pull rod (4) to pass through is formed in the limiting sleeve (2);

a limiting convex strip (5) is arranged on the outer side surface of the piston push-pull rod (4), the limiting convex strip (5) is arranged along the length direction of the piston push-pull rod (4), and a sawtooth-shaped limiting groove (501) is formed in the outer side surface of the limiting convex strip (5);

limiting protrusions (202) are arranged in the push-pull hole (201) in an annular array, the number of the limiting protrusions (202) is 4, and the limiting protrusions (202) are of a fan-shaped structure with an angle of 50 degrees;

the rear end of the piston push-pull rod (4) is provided with a pull rod handle (3), the pull rod handle (3) is in threaded connection with the piston push-pull rod (4), the two ends of the pull rod handle (3) are symmetrically provided with a protective lug (301), and the protective lug (301) is of an arc-shaped structure which is formed by extending downwards from the two ends of the pull rod handle (3).

2. The novel medical drainage device of claim 1, wherein: drainage syringe needle (7) and negative pressure device are connected through drainage tube (6), and wherein the upper end of drainage tube (6) is provided with first drainage tube connector (601) of being connected with piston union coupling head (9) cooperation, be provided with airtight switch (601a) on first drainage tube connector (601), wherein first drainage tube connector (601) is connected through the screw thread with piston union coupling head (9), and the lower extreme of drainage tube (6) is provided with second drainage tube connector (602) of being connected with the drainage syringe needle cooperation.

3. The novel medical drainage device of claim 2, wherein: the side of first drainage tube connector (601) and second drainage tube connector (602) all is provided with auxiliary handle (10) symmetrically.

4. The novel medical drainage device of claim 1, wherein: the piston head (8) is made of rubber materials, and two annular protrusions (801) are arranged on the outer side face of the piston head (8), wherein the outer diameters of the two annular protrusions (801) are larger than the inner diameter of the piston tube (1).

5. The novel medical drainage device of claim 1, wherein: the rear end of the outer side surface of the piston pipe (1) is symmetrically provided with a baffle (101), and the outer side surface of the limiting sleeve (2) is provided with a limiting step (203) matched with the piston pipe (1).

6. The novel medical drainage device of claim 1, wherein: the number of the limiting convex strips (5) is 4, wherein the limiting convex strips (5) are arranged on the outer side surface of the piston push-pull rod (4) in an annular array, and the angle between every two adjacent limiting convex strips (5) is 90 degrees.