CN215460969U

CN215460969U - Multi-pipeline needle cylinder

Info

Publication number: CN215460969U
Application number: CN202121663063.7U
Authority: CN
Inventors: 江巧旦; 吕巧巧; 邵海燕
Original assignee: FIRST PEOPLE'S HOSPITAL OF WENLING
Current assignee: FIRST PEOPLE'S HOSPITAL OF WENLING
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2022-01-11
Anticipated expiration: 2031-07-21

Abstract

The utility model relates to the technical field of medical injection equipment, in particular to a multi-pipeline needle cylinder. Including the push rod, mechanism and drain pipe converge, mechanism includes outer box and interior box converge, the fixed interior box that is equipped with in inside of outer box, form annular channel between outer box and the interior box, the inside regulation chamber of having seted up of interior box, the through-hole has all been seted up to the trilateral centre of outer box, fixed mounting has the injection tube on the face that outer box was equipped with the through-hole, the injection tube passes through-hole and annular channel looks UNICOM, the push rod slides and establishes inside the injection tube, drain pipe fixed mounting is at the another side of outer box, drain pipe and annular channel looks UNICOM, it is equipped with the adjustment mechanism whether UNICOM of control injection tube and annular channel to adjust intracavity portion. The utility model solves the problem that the traditional needle cylinder can only carry out one-time injection when one-time needle is inserted, and the utility model can carry out multiple injections of various medicaments and reduce the pain of patients. The utility model is used for intramuscular injection.

Description

Multi-pipeline needle cylinder

Technical Field

The utility model relates to the technical field of medical injection equipment, in particular to a multi-pipeline needle cylinder.

Background

In the process of seeing a doctor, a patient often needs to carry out liquid medicine injection, commonly called injection, namely, the medicine is injected into the human body through a needle, the injection is divided into four types, namely intramuscular injection, intravenous injection, intradermal injection and subcutaneous injection, and the longest injection is intramuscular injection. The intramuscular injection is a method of injecting a drug solution into muscle tissue, and the site of the ordinary intramuscular injection is deltoid muscle, gluteal thigh muscle, lateral muscle, or the like. The existing needle cylinder is a single needle cylinder, only one medicine can be injected for each time of acupuncture, and a plurality of medicines are required for treatment and are injected for a plurality of times, so that the times of acupuncture have to be increased, and the pain of patients is increased. Under the condition, the novel needle cylinder is designed, so that the medicine can be injected for many times only by one-time needle insertion, and the pain of a patient is reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:

the utility model provides a multi-channel needle cylinder, including the push rod, mechanism and drain pipe converge, mechanism converges includes outer box and interior box, the fixed interior box that is equipped with in inside of outer box, form annular channel between outer box and the interior box, the inside regulation chamber of having seted up of interior box, the through-hole has all been seted up to the trilateral centre of outer box, fixed mounting has the injection syringe on the face that the outer box was equipped with the through-hole, the injection syringe passes through the through-hole and annular channel looks UNICOM, the push rod slides and establishes inside the injection syringe, drain pipe fixed mounting is at the another side of outer box, drain pipe and annular channel looks UNICOM, it is equipped with the adjustment mechanism whether UNICOM of control injection syringe and annular channel to adjust intracavity portion.

Preferably, adjustment mechanism includes dog, slide bar and wedge, and the slide bar runs through the lateral wall of interior box, and inside the through-hole was passed to slide bar one end extended to the injection pipe, the slide bar other end extended to adjustment mechanism inside, and dog fixed mounting is located the inside one end of injection pipe at the slide bar, and wedge fixed mounting is located the inside one end of adjustment mechanism at the slide bar, is equipped with the spring between adjustment intracavity wall and the wedge.

Preferably, the diameter of the stopper is larger than the diameter of the through hole.

Preferably, a cam is rotatably mounted in the middle of the interior of the adjusting cavity, and the adjusting mechanisms are symmetrically distributed around the cam by taking the cam as a center.

Preferably, the cross sections of the outer box body and the through hole are square.

Preferably, a motor is fixedly installed inside the adjusting cavity, and an output shaft of the motor is fixedly connected with a central rotating shaft of the cam.

Preferably, a sealing ring is arranged at the sliding position of the inner box body and the sliding rod, the sealing ring is fixedly arranged on the inner box body, and the sliding rod penetrates through the sealing ring.

Preferably, the push rod comprises a push seat, a moving rod and a rubber head, the push seat is fixedly installed at one end, far away from the confluence mechanism, of the moving rod, the rubber head is fixedly installed at the other end of the moving rod, and the rubber head is in interference fit with the inner wall of the injection tube.

Preferably, a groove is formed in one face, close to the stop, of the rubber head, and the groove and the stop are matched.

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

the utility model is provided with a plurality of injection tubes and an adjusting mechanism for respectively controlling the injection tubes, and the adjusting mechanism can adjust whether each injection tube is communicated with the liquid outlet tube or not, so that each injection tube can work independently, and each injection tube is communicated with the liquid outlet tube, therefore, when a patient is injected, the injection of various liquid medicines can be finished by only one-time injection, the injection times of the patient are greatly reduced, and the pain is reduced.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: 1. the injection device comprises an injection tube, 2, a push rod, 3, a confluence mechanism, 4, an adjusting mechanism, 5, a liquid outlet tube, 6, a sealing ring, 7, a motor, 8, a cam, 201, a push seat, 202, a moving rod, 203, a rubber head, 301, an outer box body, 302, a through hole, 303, an inner box body, 304, an annular channel, 305, an adjusting cavity, 401, a stop block, 402, a sliding rod, 403, a spring, 404 and a wedge-shaped block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-2, a multi-channel syringe comprises a push rod 2, a converging mechanism 3 and a liquid outlet pipe 5, wherein the converging mechanism 3 comprises an outer box 301 and an inner box 303, the inner box 303 is fixedly arranged inside the outer box 301, an annular channel 304 is formed between the outer box 301 and the inner box 303, an adjusting cavity 305 is arranged inside the inner box 303, a through hole 302 is formed in the middle of three sides of the outer box 301, an injection pipe 1 is fixedly arranged on the surface of the outer box 301 provided with the through hole 302, the injection pipe 1 is communicated with the annular channel 304 through the through hole 302, the push rod 2 is slidably arranged inside the injection pipe 1, the liquid outlet pipe 5 is fixedly arranged on the other surface of the outer box 301, the liquid outlet pipe 5 is communicated with the annular channel 304, an adjusting mechanism 4 for controlling whether the injection pipe 1 is communicated with the annular channel 304 is arranged inside the adjusting cavity 305, liquid medicine enters from the inside of the injection pipe 1 and passes through the annular channel 304, and thus out of the outlet pipe 5. The communication between each syringe 1 and the annular channel 304 is controlled by the adjusting mechanism 4, so that different liquid medicines enter the annular channel 304 from the interiors of different syringes 1 in sequence.

The adjusting mechanism 4 comprises a stopper 401, a sliding rod 402 and a wedge block 404, the sliding rod 402 penetrates through the side wall of the inner box 303, one end of the sliding rod 402 penetrates through the through hole 302 and extends to the inside of the injection tube 1, the other end of the sliding rod 402 extends to the inside of the adjusting mechanism 4, the stopper 401 is fixedly installed at one end, located at the inside of the injection tube 1, of the sliding rod 402, the wedge block 404 is fixedly installed at one end, located at the inside of the adjusting mechanism 4, of the sliding rod 402, a spring 403 is arranged between the inner wall of the adjusting cavity 305 and the wedge block 404, when the stopper 401 is tightly attached to the outer wall of the outer box 301, communication between the injection tube 1 and the annular channel 304 is blocked, when the stopper 401 is separated from the outer box 301, the injection tube 1 is communicated with the annular channel 304, and whether communication between the injection tube 1 and the annular channel 304 is controlled by moving the stopper 401.

The stopper 401 has a diameter larger than that of the through hole 302, so that the stopper 401 can be always caught outside the outer case 301.

The cam 8 is rotatably mounted in the middle inside the adjusting cavity 305, and the adjusting mechanisms 4 are symmetrically distributed around the cam 8 by taking the cam 8 as a center.

The outer case 301 and the through hole 302 are both square in cross section.

The motor 7 is fixedly installed inside the adjusting cavity 305, an output shaft of the motor 7 is fixedly connected with a central rotating shaft of the cam 8, and the motor 7 drives the cam 8 to rotate.

A sealing ring 6 is arranged at the sliding position of the inner box 303 and the sliding rod 402, the sealing ring 6 is fixedly arranged on the inner box 303, and the sliding rod 402 penetrates through the sealing ring 6.

The push rod 2 comprises a push seat 201, a moving rod 202 and a rubber head 203, the push seat 201 is fixedly arranged at one end, far away from the confluence mechanism 3, of the moving rod 202, the rubber head 203 is fixedly arranged at the other end of the moving rod 202, and the rubber head 203 is in interference fit with the inner wall of the injection tube 1.

Rubber head 203 is close to dog 401 one side and is equipped with the recess, and the recess sets up with dog 401 adaptation, and the degree of depth of recess equals with the distance maximum value that dog 401 leaves outer box 301 outer wall.

The working process of the utility model is as follows: the annular channel 304 is controlled by the adjusting mechanism 4 to be communicated with each injection tube 1 respectively, so that each injection tube 1 can inject sequentially and independently. The principle is as follows:

control cam 8 through motor 7 and rotate, when cam 8 and wedge 404 contact, can promote slide bar 402 and move towards keeping away from cam 8 direction, and then make dog 401 and outer box 301 separate, thereby make corresponding syringe 1 and annular channel 304 UNICOM, remaining syringe 1 and annular channel 304 do not UNICOM, at this moment, syringe 1 with being linked together of annular channel 304 can inject, all the other syringes 1 are not influenced, after cam 8 and wedge 404 separate, dog 401 contacts with outer box 301 again under the effect of spring 403, thereby the UNICOM of syringe 1 and annular channel 304 has been blocked.

When the injection tube 1 is communicated with the annular channel 304, the push seat 201 pushes the rubber head 203 through the moving rod 202 by pushing the corresponding push seat 201, and the rubber head 203 pushes the liquid medicine in the injection tube 1 to enter the annular channel 304 and be ejected through the liquid outlet tube 5, thereby completing the injection of the liquid medicine. The same principle is adopted, and the liquid medicine in each injection tube 1 is independently taken.

Although only the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and all changes are encompassed in the scope of the present invention.

Claims

1. A multi-channel syringe characterized by: comprises a push rod (2), mechanism (3) and drain pipe (5) converge, mechanism (3) converge includes outer box (301) and interior box (303), box (303) in the fixed interior of outer box (301) is equipped with, form annular channel (304) between outer box (301) and interior box (303), interior box (303) are inside to be seted up and to be adjusted chamber (305), through-hole (302) have all been seted up to the trilateral centre of outer box (301), fixed mounting has injection pipe (1) on the face that outer box (301) were equipped with through-hole (302), injection pipe (1) are through-hole (302) and annular channel (304) UNICOM mutually, push rod (2) slide and establish inside injection pipe (1), drain pipe (5) fixed mounting is in the another side of outer box (301), drain pipe (5) and annular channel (304) UNICOM mutually, adjust chamber (305) inside be equipped with whether adjustment mechanism (4) of control injection pipe (1) and annular channel (304) UNICOM.

2. A multi-channel needle cylinder according to claim 1, characterized in that: adjustment mechanism (4) include dog (401), slide bar (402) and wedge (404), slide bar (402) run through the lateral wall of interior box (303), slide bar (402) one end is passed through-hole (302) and is extended to inside syringe (1), the slide bar (402) other end extends to inside adjustment mechanism (4), dog (401) fixed mounting is located the inside one end of syringe (1) in slide bar (402), wedge (404) fixed mounting is located the inside one end of adjustment mechanism (4) in slide bar (402), be equipped with spring (403) between adjustment chamber (305) inner wall and wedge (404).

3. A multi-channel needle cylinder according to claim 2, characterized in that: the diameter of the stopper (401) is larger than that of the through hole (302).

4. A multi-channel needle cylinder according to claim 1, characterized in that: the middle inside the adjusting cavity (305) is rotatably provided with a cam (8), and the adjusting mechanisms (4) are symmetrically distributed around the cam (8) by taking the cam (8) as a center.

5. A multi-channel needle cylinder according to claim 1, characterized in that: the cross sections of the outer box body (301) and the through hole (302) are square.

6. A multi-channel needle cylinder according to claim 4, characterized in that: a motor (7) is fixedly arranged in the adjusting cavity (305), and an output shaft of the motor (7) is fixedly connected with a central rotating shaft of the cam (8).

7. A multi-channel needle cylinder according to claim 1, characterized in that: a sealing ring (6) is arranged at the sliding position of the inner box body (303) and the sliding rod (402), the sealing ring (6) is fixedly arranged on the inner box body (303), and the sliding rod (402) penetrates through the sealing ring (6).

8. A multi-channel needle cylinder according to claim 1, characterized in that: the push rod (2) comprises a push seat (201), a moving rod (202) and a rubber head (203), the push seat (201) is fixedly installed at one end, far away from the confluence mechanism (3), of the moving rod (202), the rubber head (203) is fixedly installed at the other end of the moving rod (202), and the rubber head (203) is in interference fit with the inner wall of the injection tube (1).

9. A multi-channel needle cartridge as claimed in claim 8, wherein: a groove is formed in one surface, close to the stop block (401), of the rubber head (203), and the groove is matched with the stop block (401).