CN219042978U

CN219042978U - Handheld negative pressure type suction device

Info

Publication number: CN219042978U
Application number: CN202222137818.0U
Authority: CN
Inventors: 张玲玲
Original assignee: Jiangsu Province Official Hospital
Current assignee: Jiangsu Province Official Hospital
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2023-05-19
Anticipated expiration: 2032-08-15

Abstract

The utility model discloses a handheld negative pressure type suction device, which belongs to the technical field of suction devices and particularly relates to a handheld negative pressure type suction device, which comprises a main body, wherein a push rod is connected inside the main body, the push rod penetrates through the inside of the main body and extends to the outer side of the left wall of the main body, the left end of the push rod is connected with a handle, the right end of the push rod is connected with a piston, the outer wall of the piston is connected with the inner wall of an inner cavity of the main body, the upper wall of the main body is connected with a mounting frame, one side, close to the main body, of the mounting frame is connected with an electric telescopic rod, the right side of the telescopic end of the electric telescopic rod is fixedly connected with a connecting plate, two bolts are arranged between the connecting plate and the handle, the connecting plate is in threaded connection with the handle through the two bolts, the suction head is arranged at the right end of the main body, and the joint between the two bolts is used for guaranteeing that liquid backflow after manual operation errors can not occur in the process of pumping negative pressure.

Description

Handheld negative pressure type suction device

Technical Field

The utility model relates to the technical field of suction devices, in particular to a handheld negative pressure type suction device.

Background

Aspiration biopsy through a bronchoscope needle is a technique in which a specially-made puncture needle with a bendable catheter is used to enter the trachea through a biopsy channel of the bronchoscope and then penetrate the airway wall to perform needle aspiration on the trachea, extrabronchial lesions such as nodules, tumors, enlarged lymph nodes, lesions of the lung and the like. Cytological and pathological examinations may be performed on the obtained cell or tissue specimens,

the syringe is usually used for pumping negative pressure when performing needle biopsy, and sometimes medical staff can cause reinjection to cause harm under manual operation.

Disclosure of Invention

The utility model aims to provide a hand-held negative pressure type suction device, which solves the problems that in the background art, a syringe is usually used for pumping negative pressure when needle biopsy is performed, and sometimes medical staff can cause damage caused by reinjection under manual operation.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a handheld negative pressure formula suction device, includes the main part, main part internally connected has the push rod, the push rod runs through the main part inside and extends to the main part left wall outside, the push rod left end is connected with the handle, the push rod right-hand member is connected with the piston, piston outer wall and main part inner chamber inner wall connection, the main part upper wall is connected with the mounting bracket, one side that the mounting bracket is close to the main part is connected with electric telescopic handle, electric telescopic handle's flexible end right side fixedly connected with connecting plate, be equipped with two bolts between connecting plate and the handle, through two bolt looks spiro union between connecting plate and the handle, the main part right-hand member is equipped with the suction head, the suction head right-hand member is connected with the rubber tube, the rubber tube right-hand member is connected with the biopsy needle.

Preferably, screw holes are formed in the screwed positions of the connecting plate and the two bolts, and the two bolts respectively penetrate through the inside of the screw holes close to each other and extend to the outer sides of the screw holes.

Preferably, a through hole is formed in the joint of the main body suction head and the rubber tube, and the inner wall surface of the through hole is adhered to the rubber tube.

Preferably, the handle is connected with the electric telescopic rod through a connecting plate and two bolts.

Preferably, the body is a hollow cylinder.

Compared with the prior art, the utility model has the beneficial effects that:

1) Through the cooperation between handle, mounting bracket, electric telescopic handle, connecting plate, two bolts, guarantee can not appear the condition of liquid backward flow behind the manual operation error at the in-process of taking out negative pressure.

2) The main body position is conveniently adjusted through the function of the mounting frame.

Drawings

FIG. 1 is a schematic view of the front internal structure of the present utility model;

FIG. 2 is a schematic perspective view of a suction head according to the present utility model;

fig. 3 is a schematic view of the left side structure of the connecting plate of the present utility model.

In the figure: 1 main body, 2 push rod, 3 piston, 4 handle, 5 mounting bracket, 6 electric telescopic rod, 7 connecting plate, 8 bolt, 9 biopsy needle, 10 suction head, 11 rubber tube, 12 through hole, 13 screw.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Examples:

referring to fig. 1-3, the present utility model provides a technical solution: a hand-held negative pressure suction device, comprising a main body 1, characterized in that: the utility model discloses a medical device, including main part 1, push rod 2, piston 3, electric telescopic handle 6, connecting plate 7 and handle 4 are mutually connected through two bolts 8 spiro union, main part 1 right-hand member is connected with handle 4, push rod 2 right-hand member is connected with piston 3, piston 3 outer wall and main part 1 inner chamber inner wall connection, main part 1 upper wall is connected with mounting bracket 5, one side that mounting bracket 5 is close to main part 1 is connected with electric telescopic handle 6, electric telescopic handle 6's flexible end right side fixedly connected with connecting plate 7, be equipped with suction head 10 between connecting plate 7 and the handle 4, suction head 10 right-hand member is connected with rubber tube 11, the rubber tube 11 right-hand member is connected with biopsy needle 12.

Screw holes 13 are formed in the screwed joint of the connecting plate 7 and the two bolts 8, the two bolts 8 respectively penetrate through the screw holes 13 close to each other and extend to the outer sides of the screw holes 13, through holes 12 are formed in the joint of the main body suction head 10 and the rubber tube 11, the inner wall surfaces of the through holes 12 are adhered to the rubber tube 11, the handle 4 is connected with the electric telescopic rod 6 through the connecting plate 7 and the two bolts 8, and the main body 1 is a hollow cylinder.

Working principle: when performing needle biopsy, firstly, the biopsy needle 12 is punctured at a part to be inspected, then two bolts 8 are screwed, the two bolts 8 are tightly connected with a handle at the left end of the push rod 2, the electric telescopic rod 7 is started, the medical staff holds the mounting frame 5, the telescopic end of the electric telescopic rod 6 drives the connecting plate, the handle and the push rod 2 to move leftwards to perform negative pressure suction operation, and medical staff does not need to manually pull the push rod 2, so that reinjection caused by detachment does not occur, and the medical staff only needs to manually adjust the position angle of the biopsy needle 12 through the adjustment mounting frame 5.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A hand-held negative pressure suction device, comprising a main body (1), characterized in that: the novel medical biopsy needle comprises a main body (1), and is characterized in that the main body (1) is internally connected with a push rod (2), the push rod (2) penetrates through the main body (1) and extends to the outer side of the left wall of the main body (1), the left end of the push rod (2) is connected with a handle (4), the right end of the push rod (2) is connected with a piston (3), the outer wall of the piston (3) is connected with the inner wall of an inner cavity of the main body (1), the upper wall of the main body (1) is connected with a mounting frame (5), one side, close to the main body (1), of the mounting frame (5) is connected with an electric telescopic rod (6), the right side of the telescopic end of the electric telescopic rod (6) is fixedly connected with a connecting plate (7), two bolts (8) are arranged between the connecting plate (7) and the handle (4), the right end of the main body (1) is provided with a suction head (10), the right end of the suction head (10) is connected with a rubber tube (11), and the right end of the rubber tube (11) is connected with a biopsy needle (9).

2. A hand-held negative pressure suction device according to claim 1 wherein: screw holes (13) are formed in the screwed joint of the connecting plate (7) and the two bolts (8), and the two bolts (8) respectively penetrate through the inside of the screw holes (13) which are close to each other and extend to the outer sides of the screw holes (13).

3. A hand-held negative pressure suction device according to claim 1 wherein: the connecting part of the main body suction head (10) and the rubber tube (11) is provided with a through hole (12), and the inner wall surface of the through hole (12) is adhered with the rubber tube (11).

4. A hand-held negative pressure suction device according to claim 1 wherein: the handle (4) is connected with the electric telescopic rod (6) through a connecting plate (7) and two bolts (8).

5. A hand-held negative pressure suction device according to claim 1 wherein: the main body (1) is a hollow cylinder.