CN213964362U

CN213964362U - Impurity filtering type syringe

Info

Publication number: CN213964362U
Application number: CN202022497655.8U
Authority: CN
Inventors: 邹湘军
Original assignee: Jiangsu Yuyang Medical Instrument Co ltd
Current assignee: Jiangsu Yuyang Medical Instrument Co ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-08-17
Anticipated expiration: 2030-11-03

Abstract

The utility model belongs to the technical field of medical auxiliary assembly technique and specifically relates to an impurity filtering type syringe, including injection cylinder and injection piston rod, injection cylinder front end injection head is connected with the filter house, and the filter house other end connects the syringe needle, and the filter house includes the adapter sleeve, and adapter sleeve hole port department is equipped with the filter screen. The utility model discloses an impurity filtering type syringe, be fixed in the adapter sleeve on the injection head of injection cylinder front end, then place the connection shell that is connected with the filter screen on the spacing step of the adapter sleeve other end, connect its syringe needle on the adapter sleeve, then the extrusion stopper of syringe needle tip carries out spacing clamp to its connection shell and presss from both sides tightly, when medical personnel extract the liquid medicine from the glass bottle, tiny glass particle in its glass bottle is kept apart by the filter screen and gets off, when the liquid medicine in its injection cylinder is injected the human body to needs, pull out its adapter sleeve and syringe needle, the syringe needle that more renews injects its patient.

Description

Impurity filtering type syringe

Technical Field

The utility model belongs to the technical field of medical auxiliary assembly technique and specifically relates to an impurity filtering type syringe.

Background

The syringe is a common medical appliance, is mostly used for blood drawing or intravenous injection, sometimes nurses need to prepare liquid medicine before injecting to patients, when using the syringe to prepare medicine, because the bottle stopper is punctured repeatedly, the rubber stopper particles enter the medicine during acupuncture, and are sucked by the syringe and injected into the blood vessel of human body; when medical staff sucks liquid medicine in the glass bottle by using an injector, glass particles which cannot be seen by naked eyes are mixed into the liquid medicine when the liquid medicine is knocked, and the liquid medicine is sucked into the needle tube and injected into a human body, so that certain damage can be caused to the human body. The traditional injector has no filtering effect and can not avoid impurities from entering blood vessels of human bodies.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: lack the not enough that filters the liquid medicine that leads to thoughtlessly having glass particle and get into human injury patient's health in order to overcome current syringe, the utility model provides an impurity filtering type syringe, be fixed in the adapter sleeve on the injection head of injection cylinder front end, then place the connection shell that is connected with the filter screen on the spacing step of the adapter sleeve other end, connect its syringe needle on the adapter sleeve, then the extrusion stopper of syringe needle tip carries out spacing clamp to its connection shell, when medical personnel extract the liquid medicine from the glass bottle, tiny glass particle in its glass bottle is kept apart by the filter screen, when needs inject the human internal with the liquid medicine in its injection cylinder, pull out its adapter sleeve and syringe needle, more renew the syringe needle is injected its patient.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an impurity filtering type syringe, includes injection cylinder and injection piston rod, injection cylinder front end injection head is connected with the filter house, and the filter house other end connecting needle head, the filter house includes the adapter sleeve, and adapter sleeve hole port department is equipped with the filter screen, injection head, adapter sleeve and needle head interconnect and intercommunication each other. The connecting sleeve is fixed on an injection head at the front end of an injection needle cylinder, a connecting shell connected with a filter screen is placed on a limiting step at the other end of the connecting sleeve, a needle head of the connecting sleeve is connected on the connecting sleeve, an extrusion limiting block at the end part of the needle head carries out limiting clamping on the connecting shell, when medical personnel extract liquid medicine from a glass bottle, fine glass particles in the glass bottle are isolated by the filter screen, when the liquid medicine in the injection needle cylinder is required to be injected into a human body, the connecting sleeve and the needle head are pulled out, and the replaced needle head injects a patient.

Furthermore, the filter screen is fixed in the middle of the connecting shell, and a limiting sheet is arranged outside the connecting shell. The connection shell realizes the connection effect on the filter screen, and the limiting piece at the side edge of the connection shell is buckled on the limiting step, so that the connection shell can conveniently determine the position of the filter screen.

Furthermore, a limiting step for placing the connecting shell is arranged at the port of the inner hole of the connecting sleeve. The spacing step that adapter sleeve hole port was seted up plays at first the effect of a spacing support to its connection shell, and simultaneously, the top impact force of a centre gripping is given to the extrusion stopper of syringe needle tip to spacing step, and in the cooperation process of being connected of syringe needle and adapter sleeve, the extrusion stopper presss from both sides tightly fixedly to the connection shell on its spacing step, has guaranteed the stability of filter screen.

Further, the end part of the needle head is in thread fit connection with the outer side surface of the connecting sleeve, an extrusion limiting block is arranged at the seam allowance of the connecting end of the needle head, and the extrusion limiting block is propped against a limiting step arranged at the opening part of the inner hole of the connecting sleeve. In the connection and matching process of the needle head and the connecting sleeve, the connecting shell on the limiting step is clamped and fixed by the extrusion limiting block, so that the stability of the filter screen is ensured.

Furthermore, the injection head at the front end of the injection syringe is connected with the connecting sleeve in a threaded fit or interference fit manner. The connection mode of screw-thread fit or interference fit is convenient for the connection and the dismantlement of injection head and adapter sleeve.

The beneficial effects of the utility model are that, the utility model discloses an impurity filtering type syringe, it is overhead to be fixed in the injection of injection cylinder front end with the adapter sleeve, then place the connection shell that is connected with the filter screen on the spacing step of the adapter sleeve other end, connect its syringe needle on the adapter sleeve, then the extrusion stopper of syringe needle tip carries out spacing clamp to its connection shell, when medical personnel extract the liquid medicine from the glass bottle, tiny glass particle in its glass bottle is kept apart by the filter screen and gets off, when needs inject the human body with the liquid medicine in its injection cylinder in, pull out its adapter sleeve and syringe needle, more renewed syringe needle injects its patient, this syringe is convenient to use, when can accomplishing the liquid medicine extraction fast, the effectual glass particle who has filtered in the liquid medicine, the injury of impurity to the human body has been reduced.

The utility model has the advantages that: the utility model discloses an impurity filtering type syringe, be fixed in the adapter sleeve on the injection head of injection cylinder front end, then place the connection shell that is connected with the filter screen on the spacing step of the adapter sleeve other end, connect its syringe needle on the adapter sleeve, then the extrusion stopper of syringe needle tip carries out spacing clamp to its connection shell, when medical personnel extract the liquid medicine from the glass bottle, tiny glass particle in its glass bottle is kept apart by the filter screen and gets off, when needs inject the liquid medicine in its injection cylinder in the human body, pull out its adapter sleeve and syringe needle, more renew the syringe needle and inject its patient, this syringe uses conveniently, when can accomplish the liquid medicine extraction fast, the effectual glass particle who filters in the liquid medicine, the injury of impurity to the human body has been reduced.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view showing an internal structure of the filter unit of FIG. 1;

fig. 3 is a partially enlarged view of a portion a in fig. 2.

In the figure, 1, an injection syringe, 2, an injection piston rod, 3, an injection head, 4, a filtering part, 5, a needle head, 6, a connecting sleeve, 7, a filter screen, 8, a connecting shell, 9, a limiting sheet, 10, a limiting step and 11, an extrusion limiting block are arranged.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

Fig. 1 is the utility model discloses a schematic structure diagram, an impurity filtering type syringe, including injection cylinder 1 and injection piston rod 2, injection cylinder 1 front end injection head 3 is connected with filter house 4, and the 4 other ends of filter house connect syringe needle 5, filter house 4 includes

adapter sleeve

6, and 6 hole port departments of adapter sleeve are equipped with filter screen 7, injection head 3,

adapter sleeve

6 and 5 interconnect of syringe needle and intercommunication each other. The connecting sleeve 6 is fixed on the injection head 3 at the front end of the injection syringe 1, then the connecting shell 8 connected with the filter screen 7 is placed on the limiting step 10 at the other end of the connecting sleeve 6, the needle head 5 of the connecting sleeve is connected on the connecting sleeve 6, then the extrusion limiting block 11 at the end part of the needle head 5 carries out limiting clamping on the connecting shell 8, when medical workers extract liquid medicine from a glass bottle, fine glass particles in the glass bottle are isolated by the filter screen 7, when the liquid medicine in the injection syringe 1 needs to be injected into a human body, the connecting sleeve 6 and the needle head 5 are pulled down, and a new needle head is replaced to inject patients.

As shown in fig. 2 and 3, the filter screen 7 is fixed in the middle of the connecting shell 8, and a limiting plate 9 is arranged outside the connecting shell 8. The connecting shell 8 realizes the connecting effect on the filter screen 7, and the limiting piece 9 at the side edge of the connecting shell is buckled on the limiting step 10, so that the connecting shell 8 can conveniently determine one position of the filter screen 7.

Referring to fig. 2 and 3, a limiting step 10 for placing the connecting shell 8 is provided at an inner hole port of the connecting sleeve 6. The limiting step 10 arranged at the port of the inner hole of the connecting sleeve 6 plays a role of limiting and supporting the connecting shell 8, meanwhile, the limiting step 10 gives a clamping top impact force to the extrusion limiting block 11 at the end part of the needle head 5, and in the connection and matching process of the needle head 5 and the connecting sleeve 6, the extrusion limiting block 11 clamps and fixes the connecting shell 8 on the limiting step 10, so that the stability of the filter screen 7 is ensured.

As shown in a combined drawing 2 and a drawing 3, the end part of the needle head 5 is in thread fit connection with the outer side surface of the connecting sleeve 6, an extrusion limiting block 11 is arranged at the connecting end seam allowance of the needle head 5, and the extrusion limiting block 11 is supported on a limiting step 10 arranged at the opening part of an inner hole of the connecting sleeve 6. In the connection and matching process of the needle head 5 and the connecting sleeve 6, the connecting shell 8 on the limiting step 10 is clamped and fixed by the extrusion limiting block 11, so that the stability of the filter screen 7 is ensured.

Referring to fig. 1 and 2, the front injection head 3 of the injection syringe 1 is connected with the connecting sleeve 6 in a threaded fit or interference fit manner. The connection mode of screw-thread fit or interference fit is convenient for the connection and the disassembly of the injection head 3 and the connecting sleeve 6.

During the use, be fixed in on the injection head 3 of injection cylinder 1 front end with adapter sleeve 6, then place the connection shell 8 that is connected with filter screen 7 on the spacing step 10 of the adapter sleeve 6 other end, connect its syringe needle 5 on adapter sleeve 6, then extrusion stopper 11 of 5 tip of syringe needle carries out spacing clamp to its connection shell 8, when medical personnel extracted the liquid medicine from the glass bottle, tiny glass particle in its glass bottle is kept apart by filter screen 7, when the liquid medicine in its injection cylinder 1 was injected the human body to needs, pull out its adapter sleeve 6 and syringe needle 5, more new syringe needle is injected its patient, this syringe is convenient to use, when can accomplishing the liquid medicine extraction fast, the effectual glass particle who has filtered in the liquid medicine, the injury of impurity to the human body has been reduced.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides an impurity filtering type syringe, includes injection cylinder (1) and injection piston rod (2), characterized by, injection cylinder (1) front end injection head (3) are connected with filtering part (4), and filtering part (4) other end connection syringe needle (5), filtering part (4) are including adapter sleeve (6), and adapter sleeve (6) hole port department is equipped with filter screen (7), injection head (3), adapter sleeve (6) and syringe needle (5) interconnect and intercommunication each other.

2. The impurity filtering type syringe according to claim 1, wherein the filter net (7) is fixed in the middle of the connection housing (8), and a stopper (9) is provided outside the connection housing (8).

3. The impurity filtering type syringe as claimed in claim 1, wherein the port of the inner hole of the connecting sleeve (6) is provided with a limit step (10) for placing the connecting shell (8).

4. The impurity filtering type injector according to claim 1, characterized in that the end of the needle (5) is connected with the outer side of the connecting sleeve (6) in a threaded fit manner, and an extrusion limiting block (11) is arranged at the connecting end seam of the needle (5), and the extrusion limiting block (11) is supported on a limiting step (10) arranged at the port of the inner hole of the connecting sleeve (6).

5. The impurity filtering type injector according to claim 1, wherein the injection head (3) at the front end of the injection cylinder (1) is connected with the connecting sleeve (6) in a threaded fit or interference fit manner.