CN218923369U

CN218923369U - Negative pressure injector

Info

Publication number: CN218923369U
Application number: CN202222480691.2U
Authority: CN
Inventors: 侯识志; 李慧
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2023-04-28
Anticipated expiration: 2032-09-19

Abstract

The utility model discloses a negative pressure injector, which relates to the technical field of injectors and comprises a cylinder body, wherein a containing cavity is formed in the cylinder body, a drawing body is movably arranged in the containing cavity, the drawing body comprises a sliding part and a drawing part, the drawing part is connected with a plurality of baffle plates through a flexible connector, at least part of the drawing part is drawn out in an external state, and the baffle plates are unfolded and abutted against the edge surface of the containing cavity on the cylinder body. When medical staff can draw out pus of the swelling part of the patient by arranging the baffle plate, after the medical staff pulls out the drawing body part from the accommodating cavity, negative pressure is formed between the drawing body and the accommodating cavity, the baffle plate is propped against the mouth edge surface of the accommodating cavity to keep the negative pressure in the accommodating cavity so as to continuously absorb the pus of the wound of the patient, so that the pressure stability is better, and failure in maintaining the negative pressure is not easy to cause.

Description

Negative pressure injector

Technical Field

The utility model relates to the technical field of syringes, in particular to a negative pressure syringe.

Background

Syringes are a common medical device, and mainly use needles to extract or inject gas or liquid, and during clinical operation, doctors often need to maintain a certain negative pressure of the syringe to complete some operations or operations. The existing operation method is to maintain the negative pressure by manual suction, when the negative pressure is maintained, medical staff is usually required to fix the push rod of the syringe by scissors and the like, the negative pressure cannot be adjusted at any time, and the operation is usually completed by two people. The method has poor stability and is easy to cause failure in maintaining negative pressure due to poor clamping.

Disclosure of Invention

The utility model aims to provide a negative pressure injector. Solves the problems of poor negative pressure stability and easy failure in maintaining negative pressure.

In order to achieve the above purpose, the utility model adopts the following scheme: the negative pressure injector comprises a cylinder body, wherein a containing cavity is formed in the cylinder body, a drawing body is movably arranged in the containing cavity, the drawing body comprises a sliding part and a drawing part, the drawing part is connected with a plurality of baffle plates through flexible connectors, the drawing part is at least partially drawn out in an external state, and the baffle plates are unfolded and abutted to the edge surface of the containing cavity on the cylinder body.

In this scheme, can make medical personnel when drawing the pus of patient's swelling part through setting up the separation blade, after medical personnel will take out body part and pull out the holding chamber, take out and form negative pressure between body and the holding chamber, the separation blade supports and leans on the mouth along the face that holds the holding chamber and keeps the negative pressure in the holding chamber thereby continuous absorption patient wound's pus for pressure stability is better, is difficult to cause to maintain the negative pressure failure.

Preferably, the drawing part comprises a first long tab, and a plurality of baffle plates are connected to the first long tab through the flexible connector.

As a further preference, the pull portion comprises a second elongate tab to which a number of the flaps are connected by the flexible connection.

As a further preference, the baffle on at least one of the first and second elongate tabs is provided in two.

As a further preference, a poking piece for conveniently poking the blocking pieces is arranged on one side of each blocking piece far away from the cylinder body.

In this scheme, through setting up the plectrum, stir the plectrum when needs make the separation blade support the mouth along the face in holding chamber, stand the separation blade more easily, can make the negative pressure maintain failure when preventing directly going to stir the separation blade.

As a further preferable mode, a supporting table is arranged on one side of each baffle plate, and the supporting table is perpendicular to the movable baffle plates.

In this scheme, support the bench through setting up can be better support the separation blade on the mouth along the face of holding chamber for the negative pressure maintains more stably.

Drawings

FIG. 1 is a schematic view of an unassembled construction of a negative pressure syringe of the present utility model;

fig. 2 is a schematic view of an unassembled cross-sectional structure of the negative pressure syringe of the present utility model.

In the figure: 1. a cylinder; 11. a receiving chamber; 2. a sliding portion; 3. a drawing portion; 31. a first elongate tab; 32. a second elongate tab; 33. a third elongate tab; 34. a fourth elongate tab; 4. a baffle; 5. a pulling piece; 6. abutment; 7. a flexible connector.

Detailed Description

The utility model will be described in detail below with respect to certain specific embodiments thereof in order to better understand the utility model and thereby to more clearly define the scope of the utility model as claimed. It should be noted that the following description is only some embodiments of the inventive concept and is only a part of examples of the present utility model, wherein the specific direct description of the related structures is only for the convenience of understanding the present utility model, and the specific features do not naturally and directly limit the implementation scope of the present utility model. Conventional selections and substitutions made by those skilled in the art under the guidance of the inventive concept should be considered as being within the scope of the claimed utility model.

The utility model provides a negative pressure syringe, includes barrel 1, has offered accommodation chamber 11 on the barrel 1, and accommodation chamber 11 is interior movably to be equipped with the pull body, and the pull body includes sliding part 2 and pull part 3, is connected with a plurality of separation blade 4 through flexible connector 7 on its pull part 3, and pull part 3 at least partly pull out under external state, and separation blade 4 is expanded to lean on and is located the mouth along face in accommodation chamber 11 on barrel 1.

When medical staff draws out the pus of the swelling part of the patient through setting up the separation blade 4, after the medical staff pulls out the holding chamber 11 with the body part of taking out, form the negative pressure between body and the holding chamber 11, thereby the separation blade 4 supports and leans on the mouth along the face that keeps holding chamber 11 keeps the negative pressure in the holding chamber 11 and continuously absorbs the pus of patient wound for pressure stability is better, is difficult to cause to maintain the negative pressure failure.

Further, as a preferred embodiment, the pull-out part 3 comprises a first elongated tab 31, to which a number of flaps 4 are connected by flexible connectors 7. The pull-out part 3 comprises a second elongated tab 32, to which a number of flaps 4 are connected by means of flexible connectors 7. The baffle 4 on at least one of the first and second

elongated tabs

31 and 32 is provided in two.

In this embodiment, the drawing portion 3 is composed of four elongated tabs of the first elongated tab 31, the second elongated tab 32, the third elongated tab 33 and the fourth elongated tab 34 and is disposed in a cross shape, the first elongated tab 31 and the second elongated tab 32 are disposed opposite to each other, and the third elongated tab 33 and the fourth elongated tab 34 are disposed opposite to each other; wherein, the two sides of the first long tab 31 and the two sides of the second long tab 32 are respectively provided with a baffle plate 4, four baffle plates 4 are arranged in total, a flexible connector 7 is arranged between the two baffle plates 4 of the first long tab 31 to connect the baffle plates, and a flexible connector 7 is also arranged between the two baffle plates 4 of the second long tab 32 to connect the baffle plates; the side of the drawing part 3 away from the sliding part 2 is provided with a handle which is convenient for medical staff to draw the drawing part 3, the length of the baffle 4 is smaller than that of the drawing part 3, and one end of the baffle 4 is abutted against the lower side of the handle; when the baffle 4 is not completely pulled out of the accommodating cavity 11, the baffle 4 and the inner wall of the accommodating cavity 11 are not interfered with each other, so that the sliding of the sliding part 2 is not influenced; the sliding part 2 is plastic colloid, so that negative pressure can be formed inside the accommodating cavity 11.

Further, as a preferred embodiment, a dial 5 for conveniently toggling the baffle 4 is provided on a side of each baffle 4 away from the cylinder 1. One side of each baffle 4 is provided with a supporting table 6, and the supporting table 6 is perpendicular to the movable baffle 4. Through setting up plectrum 5, stir plectrum 5 when needs make separation blade 4 support the mouth along the face of holding chamber 11, more easily stand separation blade 4, can make the negative pressure maintain failure when preventing directly going to stir separation blade 4. By arranging the abutment 6, the baffle 4 can be better abutted against the edge surface of the accommodating cavity 11, so that the negative pressure is maintained more stably.

In this embodiment, one end of the barrel 1 is connected with a needle, the needle is inserted into a wound of a patient, the drawing part 3 is pulled, the sliding part 2 slides in the accommodating cavity 11, negative pressure is formed to suck pus at the wound of the patient into the accommodating cavity 11, after the baffle 4 is drawn out of the accommodating cavity 11, medical staff dials two paddles 5 which are also positioned at two sides of the first long lug 31 or two sides of the second long lug 32 to one side close to each other, so that the two baffle 4 moves relative to the first long lug 31 or the second long lug 32 in a vertical state, the baffle 4 and the abutment 6 are abutted against the edge surface of the accommodating cavity 11, the negative pressure in the accommodating cavity 11 always exists, and the pus at the wound of the patient is continuously sucked.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the technical principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.

Claims

1. The utility model provides a negative pressure syringe, includes barrel (1), set up holding chamber (11) on barrel (1), movably is equipped with the body of taking out in holding chamber (11), the body of taking out includes sliding part (2) and pull part (3), its characterized in that, be connected with a plurality of separation blade (4) on pull part (3) through flexible connector (7), pull part (3) at least partly pull out under external state, separation blade (4) expand support lean on be located the mouth along face of holding chamber (11) on barrel (1).

2. A negative pressure syringe according to claim 1, characterized in that the drawer section (3) comprises a first elongated tab (31), said first elongated tab (31) being connected to a number of said flaps (4) by means of said flexible connection (7).

3. A negative pressure syringe according to claim 2, characterized in that the drawing part (3) comprises a second elongated tab (32), to which the second elongated tab (32) is connected a number of the flaps (4) by means of the flexible connection body (7).

4. A negative pressure syringe according to claim 3, characterized in that the flaps (4) on at least one of the first and second elongate tabs (31, 32) are provided in two.

5. A negative pressure syringe according to claim 4, characterized in that the side of each of the flaps (4) remote from the barrel (1) is provided with a dial (5) for facilitating the toggling of the flaps (4).

6. The negative pressure injector according to claim 5, characterized in that one side of each baffle plate (4) is provided with a abutment (6), and the abutment (6) is arranged perpendicular to the baffle plates (4).