CN213284971U

CN213284971U - Small-size fish abdominal cavity microinjection device

Info

Publication number: CN213284971U
Application number: CN202021414268.7U
Authority: CN
Inventors: 张显波; 李建光; 周其椿; 陈飞雄; 杨兴
Original assignee: AQUACULTURE INSTITUTE OF GUIZHOU PROVINCE
Current assignee: AQUACULTURE INSTITUTE OF GUIZHOU PROVINCE
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-05-28
Anticipated expiration: 2030-07-17

Abstract

The utility model relates to an injection apparatus technical field just discloses a small-size fish abdominal cavity microinjection device, including the medicament pipe, the left side fixed mounting of medicament pipe has the collar. This small-size fish abdominal cavity microinjection device, at first with thin needle at fish body skin osculum, make the threaded rod rotate after that, remove the lantern ring and receive its screw thread thrust and remove, when its quantity is fixed to needs, only need remove the pointer through the threaded rod promotion and remove required numerical value on the scale interval, the connecting rod will drive limit baffle and push right, make it remove to a certain position and fix, push away the handle left side after that, extrude the medicament pipe medicament, and inject through the syringe needle, when pushing away the handle and removing to limit baffle department, will receive its restriction, show that its quantity reaches appointed numerical value, through set up its quantity in advance when injecting at every turn, can improve the injection accuracy greatly, it is more convenient to use, can be better satisfy student's user demand.

Description

Small-size fish abdominal cavity microinjection device

Technical Field

The utility model relates to the technical field of injection devices, in particular to a small-size fish abdominal cavity micro-injection device.

Background

Small fishes are often used as laboratory research objects and are ideal research models for scientific research, and injection of medicines, hormones, antagonists and the like is often used as one of laboratory research means, but the injection of small fishes is always a difficult problem.

The existing small fish abdominal cavity micro-injection device generally has the defect of low injection accuracy, common injection devices are provided with scale marks, and a student needs to pay attention to the dosage displayed by the scale marks while injecting, so that the student is easily distracted, and the dosage is easily misread, so that the injection dosage accuracy is low, and the problem is solved by providing the small fish abdominal cavity micro-injection device.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To prior art not enough, the utility model provides a small-size fish abdominal cavity microinjection device, possess advantages such as injection accuracy height, the lower shortcoming of injection accuracy has generally been existing to the small-size fish abdominal cavity microinjection device that has solved present, commonly used injection device all has the scale mark, the scholars is at the injection in-process, still need to pay attention to the quantity that the scale mark shows when needing to inject on one side, this kind of mode makes the scholars distraction very easily, also the quantity of misreading easily, thereby lead to the lower problem of injection quantity accuracy.

(II) technical scheme

In order to realize the purpose of high injection accuracy, the utility model provides the following technical scheme: a small-size fish abdominal cavity microinjection device comprises a drug tube, wherein a mounting ring is fixedly mounted on the left side of the drug tube, an installation lantern ring is movably mounted at the left end of the outer side of the mounting ring, a connecting tube is fixedly mounted on the left side of the installation lantern ring, a syringe needle is fixedly mounted on the left side of the connecting tube, second connecting blocks are fixedly mounted on the left side and the right side of the bottom of the drug tube respectively, a balancing rod is fixedly mounted between the two second connecting blocks, a scale interval is fixedly mounted on the outer side of the drug tube, an injection piston is movably mounted in an inner cavity of the drug tube, a push rod is fixedly mounted on the right side of the injection piston, a push handle is fixedly mounted on the right side of the push rod, first connecting blocks are fixedly mounted on the left side and the right side of the top of the drug tube respectively, a threaded, the positive fixed mounting that removes the lantern ring has the movable plate, the bottom fixed mounting of movable plate has one end and medicament pipe swing joint's removal pointer, the equal fixed mounting in both ends about the movable plate right side has one end and first connecting block swing joint's connecting rod, two bottom fixed mounting between the first connecting block has one end and movable plate swing joint's gag lever post, two right side fixed mounting between the connecting rod has limit baffle.

Preferably, the right side of the mounting lantern ring is provided with a mounting groove, the mounting groove is matched with the mounting ring, and the push rod and the injection piston are vertically mounted at ninety degrees.

Preferably, the top of the medicament tube is provided with a chute, the chute is matched with the movable pointer, and the left side of the threaded rod is fixedly provided with a rotating handle.

Preferably, the equal fixed mounting in the left and right sides of threaded rod has connection bearing, and the threaded rod passes through connection bearing and first connecting block swing joint, the quantity of connecting rod is two.

Preferably, two second connecting blocks are symmetrically distributed along the perpendicular bisector of the medicament tube, and the connecting rods and the limiting baffle are vertically arranged at ninety degrees.

Preferably, the right side of the movable lantern ring is provided with a threaded hole, the threaded hole is matched with the threaded rod, and the right side of the inner cavity of the medicament tube is fixedly provided with a limiting disc.

(III) advantageous effects

Compared with the prior art, the utility model provides a small-size fish abdominal cavity microinjection device possesses following beneficial effect:

the small fish abdominal cavity micro-injection device is characterized in that a rotating handle is arranged on a threaded rod, when a small fish needs to be injected, a small opening is formed in the skin of a fish body by a thin needle, the rotating handle is rotated to enable the threaded rod to rotate, a threaded hole matched with the threaded rod is formed in a movable lantern ring, a connecting rod and a limit baffle are arranged on the movable lantern ring, so that the rotation of the movable lantern ring is limited, the movable lantern ring moves leftwards and rightwards under the thrust of the threads in the rotating process of the threaded rod, a movable pointer is driven to move leftwards and rightwards outside a medicament tube by a movable plate, when the dosage of the medicament tube needs to be fixed, the movable pointer is only required to be pushed by the threaded rod to move to a required numerical value on a scale value, the connecting rod can drive the limit baffle to push rightwards in the moving process of the movable pointer to move to, promote the injection piston through the catch bar and move to the left in the medicament pipe, extrude the medicament pipe medicament to inject through the syringe needle, when pushing away the handle and removing to limit baffle department, will receive its restriction, show that its quantity reaches appointed numerical value, through set up its quantity in advance when injecting at every turn, can improve the injection accuracy greatly, it is more convenient to use, the user demand who satisfies the scholar that can be better.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: the injection device comprises a syringe needle 1, a connecting tube 2, an installation lantern ring 3, an injection piston 4, a first connecting block 5, a limit baffle 6, a push handle 7, a push rod 8, a second connecting block 9, a scale value 10, a medicament tube 11, an installation ring 12, a movable lantern ring 13, a movable plate 14, a connecting rod 15, a threaded rod 16, a movable pointer 17, a limit rod 18 and a balance rod 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a small fish abdominal cavity micro-injection device comprises a drug tube 11, a chute is arranged at the top of the drug tube 11 and is matched with a movable pointer 17, a rotating handle is fixedly arranged at the left side of a threaded rod 16, a mounting ring 12 is fixedly arranged at the left side of the drug tube 11, a mounting ring 3 is movably arranged at the left end of the outer side of the mounting ring 12, a mounting groove is arranged at the right side of the mounting ring 3 and is matched with the mounting ring 12, a push rod 8 and an injection piston 4 are vertically arranged at ninety degrees, a connecting tube 2 is fixedly arranged at the left side of the mounting ring 3, an injection needle 1 is fixedly arranged at the left side of the connecting tube 2, second connecting blocks 9 are fixedly arranged at the left side and the right side of the bottom of the drug tube 11, the two second connecting blocks 9 are symmetrically distributed by the perpendicular line of the drug tube 11, and, the balance rod 19 is fixedly installed between the two second connecting blocks 9, the upper and lower side stationarity of the medicament tube 11 can be higher by arranging the balance rod 19 at the bottom of the medicament tube 11, a student can inject medicaments more conveniently, the outer side of the medicament tube 11 is fixedly provided with a scale value 10, the inner cavity of the medicament tube 11 is movably provided with an injection piston 4, the right side of the injection piston 4 is fixedly provided with a push rod 8, the right side of the push rod 8 is fixedly provided with a push handle 7, the left and right sides of the top of the medicament tube 11 are fixedly provided with first connecting blocks 5, a threaded rod 16 is movably installed between the two first connecting blocks 5, when a small fish needs to be injected, a small opening is formed in the skin of the fish body by a thin needle, then the rotating handle is rotated to enable the threaded rod 16 to rotate, and as a threaded hole matched with the threaded rod 16 is formed in the movable sleeve ring 13, the movable lantern ring 13 is provided with a connecting rod 15 and a limit baffle 6, so that the rotation of the movable lantern ring 13 is limited, the movable lantern ring 13 moves left and right under the thrust of the screw thread in the rotation process of the screw rod 16, the movable pointer 17 is driven to move left and right on the outer side of the medicine tube 11 through the movable plate 14, when the dosage of the medicine tube is required to be fixed, the movable pointer 17 is only required to be pushed to move to a required value on the scale value 10 through the screw rod 16, the connecting rod 15 drives the limit baffle 6 to push right in the moving process of the movable pointer 17, so that the limit baffle moves to a certain position and is fixed, then the push handle 7 is pushed to the left, the injection piston 4 is pushed to move left in the medicine tube 11 through the push rod 8, the medicine tube 11 is extruded and injected through the injection needle 1, when the push handle 7 moves to the position of the limit baffle 6, the dosage of the medicine tube is limited by the limit baffle 6, the injection precision can be greatly improved, the use is more convenient, the use requirements of students can be better met, the left side and the right side of the threaded rod 16 are fixedly provided with connecting bearings, the threaded rod 16 is movably connected with the first connecting block 5 through the connecting bearings, the number of the connecting rods 15 is two, the outer side of the threaded rod 16 is movably provided with a movable lantern ring 13, the right side of the movable lantern ring 13 is provided with a threaded hole, the threaded hole is matched with the threaded rod 16, the right side of the inner cavity of the medicament tube 11 is fixedly provided with a limiting disc, the front side of the movable lantern ring 13 is fixedly provided with a movable plate 14, the bottom of the movable plate 14 is fixedly provided with a movable pointer 17, one end of the movable pointer is movably connected with the medicament tube 11, the upper end and the lower end of the right side of the movable plate 14 are fixedly provided with connecting rods 15, one end of the, and a limiting baffle 6 is fixedly arranged on the right side between the two connecting rods 15.

In conclusion, according to the small fish abdominal cavity micro-injection device, the rotating handle is arranged on the threaded rod 16, when an injection experiment needs to be carried out on small fish, firstly, a small opening is formed in the skin of the fish body through a fine needle, then, the rotating handle is rotated to enable the threaded rod 16 to rotate, as the threaded hole matched with the threaded rod 16 is formed in the movable lantern ring 13, and the connecting rod 15 and the limit baffle 6 are arranged on the movable lantern ring 13, the rotation of the movable lantern ring 13 is limited, in the rotating process of the threaded rod 16, the movable lantern ring 13 moves left and right under the thrust of the threads, the movable pointer 17 is driven by the movable plate 14 to move left and right on the outer side of the medicine tube 11, when the using amount needs to be fixed, the movable pointer 17 is only required to move to the scale value 10 through the threaded rod 16, and in the moving process of the movable pointer 17, the, the small fish abdominal cavity micro-injection device is moved to a certain position and fixed, then the push handle 7 is pushed to the left, the push rod 8 pushes the injection piston 4 to move to the left in the drug tube 11, the drug in the drug tube 11 is extruded and injected through the injection needle 1, when the push handle 7 moves to the position of the limit baffle 6, the limit is realized, the dosage reaches the designated value, the dosage is set in advance when injecting each time, the injection accuracy can be greatly improved, the use is more convenient, the use requirement of a student can be better met, the defect that the injection accuracy is lower in the existing small fish abdominal cavity micro-injection device is overcome, the commonly used injection device is provided with scale marks, the student needs to pay attention to the dosage displayed by the scale marks while injecting, and the mode is easy to distract the student and read the dosage by mistake, resulting in a problem of low accuracy of the injection dose.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. A small-size fish abdominal cavity microinjection device, includes medicament pipe (11), its characterized in that: the left side fixed mounting of medicament pipe (11) has collar (12), the left end movable mounting in the collar (12) outside has the installation lantern ring (3), the left side fixed mounting of the installation lantern ring (3) has connecting pipe (2), the left side fixed mounting of connecting pipe (2) has syringe needle (1), the equal fixed mounting in the left and right sides of medicament pipe (11) bottom has second connecting block (9), two fixed mounting has balancing pole (19) between second connecting block (9), the outside fixed mounting of medicament pipe (11) has scale interval (10), the inner chamber movable mounting of medicament pipe (11) has injection piston (4), the right side fixed mounting of injection piston (4) has catch bar (8), the right side fixed mounting of catch bar (8) has push handle (7), the equal fixed mounting in the left and right sides at medicament pipe (11) top has first connecting block (5), two movable mounting has threaded rod (16) between first connecting block (5), the outside movable mounting of threaded rod (16) has the removal lantern ring (13), the positive fixed mounting who removes the lantern ring (13) has movable plate (14), the bottom fixed mounting of movable plate (14) has one end and medicament pipe (11) swing joint's removal pointer (17), the equal fixed mounting in upper and lower both ends on movable plate (14) right side has one end and first connecting block (5) swing joint's connecting rod (15), two bottom fixed mounting between first connecting block (5) has one end and movable plate (14) swing joint's gag lever post (18), two right side fixed mounting between connecting rod (15) has limit baffle (6).

2. The small fish intraperitoneal microinjection device of claim 1, wherein: the right side of the mounting sleeve ring (3) is provided with a mounting groove, the mounting groove is matched with the mounting ring (12), and the push rod (8) and the injection piston (4) are vertically mounted at ninety degrees.

3. The small fish intraperitoneal microinjection device of claim 1, wherein: the top of medicament pipe (11) has been seted up the spout, and spout and removal pointer (17) looks adaptation, the left side fixed mounting of threaded rod (16) has the rotation handle.

4. The small fish intraperitoneal microinjection device of claim 1, wherein: the equal fixed mounting in the left and right sides of threaded rod (16) has connection bearing, and threaded rod (16) are through connection bearing and first connecting block (5) swing joint, the quantity of connecting rod (15) is two.

5. The small fish intraperitoneal microinjection device of claim 1, wherein: two second connecting block (9) are the symmetric distribution with the perpendicular bisector of medicament pipe (11), connecting rod (15) are ninety degrees perpendicular installation with limit baffle (6).

6. The small fish intraperitoneal microinjection device of claim 1, wherein: the right side of the movable lantern ring (13) is provided with a threaded hole, the threaded hole is matched with the threaded rod (16), and the right side of the inner cavity of the medicament tube (11) is fixedly provided with a limiting disc.