CN215193776U

CN215193776U - Injection device for multi-cavity CVC (composite CVC) seal tube

Info

Publication number: CN215193776U
Application number: CN202120518029.4U
Authority: CN
Inventors: 赵玉萍
Original assignee: Second Hospital Iaxing
Current assignee: Second Hospital Iaxing
Priority date: 2021-03-11
Filing date: 2021-03-11
Publication date: 2021-12-17
Anticipated expiration: 2031-03-11

Abstract

The utility model discloses an injection device for multicavity CVC seals pipe belongs to injection device technical field, the on-line screen storage device comprises a base, base skin weld has the support, support inner wall cooperation is rotated and is connected with the threaded rod, threaded rod surface cooperation threaded connection has quick-witted case, the welding of machine box surface one side has the spring, machine box surface cooperation sliding connection has the horizontal pole, horizontal pole surface opposite side can be dismantled and is connected with sealed piston, machine box surface one side fixedly connected with slide rail, slide rail surface cooperation sliding connection has the peg graft pole, peg graft pole surface mounting has reset switch, through the mutually supporting of three PVC needle tubing and horizontal pole, lets wholly can carry out multicavity seal pipe when using in step to through mutually supporting of threaded rod and clutch blocks, let quick-witted case can be more accurate when removing.

Description

Injection device for multi-cavity CVC (composite CVC) seal tube

Technical Field

The utility model relates to an injection device technical field especially relates to an injection device that is used for multicavity CVC to seal pipe.

Background

When the double-cavity/three-cavity CVC is clinically used for sealing the tube, the double-cavity/three-cavity is required to be carried out simultaneously, and the tube can not be simultaneously filled into each cavity at a constant speed by one-man operation of two or more injectors.

Patent CN211962746U discloses an injector and injection device, and this patent provides an injector and injection device, belongs to poultry injector field. An injector includes a barrel, a media-containing barrel, a plunger rod, and a switch valve. The media containment cartridge is connected to the syringe. One end of the piston rod is movably arranged in the needle cylinder, the other end of the piston rod is movably arranged in the medium accommodating cylinder, and the piston rod and the medium accommodating cylinder jointly define a variable space. The switching valve is connected to the medium accommodating cylinder, the switching valve has a medium inlet and a medium outlet, and the medium outlet is communicated with the variable space. Before injection, the needle head can be connected to the outlet end of the needle cylinder, and the medium inlet is externally connected with a medium supply device; when the injection is performed, the needle head is pricked into the poultry individual to be injected, and after the switch valve is opened, the medium quickly enters the variable space, so that the piston rod is pushed to quickly move in the needle cylinder, and the liquid medicine in the needle cylinder is quickly pushed out. The injector can realize quick injection to poultry.

The defects of the injector and the injection device are as follows: 1. when the injector and the injection device are used, multi-cavity synchronous tube sealing can not be synchronously carried out; 2. when the above syringe and injection device are used, the operation is troublesome. To this end, we propose an injection device for multi-lumen CVC seals.

SUMMERY OF THE UTILITY MODEL

The utility model provides an injection device that is used for multicavity CVC to seal pipe aims at mutually supporting through three PVC needle tubing and horizontal pole, lets wholly can carry out multicavity seal pipe in step when using to through mutually supporting of threaded rod and clutch blocks, let quick-witted case can be more accurate when removing.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of an injection device for multicavity CVC seals pipe, the on-line screen storage device comprises a base, base skin weld has the support, support inner wall cooperation rotation is connected with the threaded rod, threaded rod surface fit threaded connection has quick-witted case, the welding of machine case surface one side has the spring, machine case inner wall cooperation sliding connection has the horizontal pole, horizontal pole surface opposite side can be dismantled and be connected with sealed piston, machine case surface one side fixedly connected with slide rail, slide rail surface fit sliding connection has the peg graft pole, peg graft pole surface mounting has reset switch, machine case inner wall installs electric push rod and electric push rod power output end and welds in the horizontal pole surface, machine case surface mounting has the controller.

Optionally, the surface of the threaded rod is fixedly connected with a friction block, and the friction block is in contact with the inner wall of the bracket.

Optionally, the surface of the sliding rail is provided with a clamping groove, and the clamping groove is connected with the insertion rod in a matched manner.

Optionally, the surface of the case is detachably connected with a plurality of PVC (polyvinyl chloride) needle tubes.

Optionally, the reset switch power input end is electrically connected with the power output end of the external power supply through a wire, the power output end of the reset switch is electrically connected with the power input ends of the controller and the electric push rod through wires, and the controller signal output end is connected with the electric push rod signal input end.

The utility model has the advantages as follows:

the embodiment of the utility model provides an injection device that is used for multicavity CVC to seal pipe:

1. in order to simplify the operation of a single injector for sealing a tube by using two or more injectors and realize the simultaneous uniform entry of each cavity, when the injection device for sealing a multi-cavity CVC tube is used, a PVC needle tube is firstly contacted with a medicine when the medicine is extracted, the insertion rod is pulled out outwards at the moment, the injection device moves on a slide rail according to the required extraction amount, when the injection device moves to the required amount, the injection device pushes the medicine inwards into the insertion clamping groove for fixing, the electric push rod is controlled by a controller to move upwards, the transverse rod drives a sealing piston in the PVC needle tube to move upwards to extract the medicine when the transverse rod is pulled upwards by the electric push rod, the transverse rod is contacted with a reset switch on the insertion rod, the electric push rod is forced to stop working under the action of the reset switch and is fixed in place, so that different medicines are extracted synchronously, effectually prevented, because seal intraductal pressure difference and the palirrhea that causes, change the medicine bottle after the extraction finishes, extract the peg graft pole again, at the in-process of extracting, the reset switch on peg graft pole surface can break away from each other with the horizontal pole, for electric push rod and controller power supply again, at this moment through controller control electric push rod, promote downwards, will extract originally that the medicine in the PVC syringe is discharged, whole device easy operation, single can operate.

2. When the injection device for the multi-cavity CVC tube sealing is used, the machine box only needs to be pressed downwards when the height between a PVC needle tube and a medicine bottle needs to be adjusted, the machine box can drive a threaded rod to rotate in the pressing process, friction blocks on the surface of the threaded rod can rub against the inner wall of the machine box in the rotating process of the threaded rod, the machine box can move downwards more stably under the auxiliary action of a spring, an operator can observe the descending condition more conveniently at the moment, the machine box can be loosened after extraction is finished, the machine box can be driven to move upwards under the action of the spring, the speed of the machine box to move upwards can be reduced under the action of the friction blocks, and the upward movement is more stable.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic diagram of an overall structure of an injection device for a multi-lumen CVC tube seal according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a slide rail of an injection device for multi-lumen CVC tube sealing according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a bracket of an injection device for multi-lumen CVC catheter seals according to an embodiment of the present invention.

In the figure: 1. a base; 2. a support; 3. a threaded rod; 4. a friction block; 5. a chassis; 6. a spring; 7. a PVC needle tube; 8. a cross bar; 9. a sealing piston; 10. a slide rail; 11. a card slot; 12. a plug rod; 13. a reset switch; 14. a controller; 15. an electric push rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, 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 efforts belong to the protection scope of the present invention.

An injection device for a multi-lumen CVC closure according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.

Referring to fig. 1-3, the embodiment of the utility model provides a pair of an injection apparatus for multicavity CVC seals pipe, including

base

1, 1 skin weld of base has support 2, 2 inner wall cooperations of support are rotated and are connected with threaded

rod

3, 3 surface cooperation threaded connection of threaded rod have quick-

witted case

5, 5 welding of surface one side of machine case has

spring

6, 5 inner wall cooperation sliding connection of machine case have

horizontal pole

8, 8 surface opposite sides of horizontal pole can be dismantled and be connected with

sealing piston

9, 5 surface one side fixedly connected with slide rails 10 of machine case, 10 surface cooperation sliding connection of slide rails has

peg graft pole

12, 12 surface mounting of peg pole has reset

switch

13, 5 inner walls of machine case install

electric push rod

15 and 15 power take off ends of electric push rod and weld in 8 surfaces of horizontal pole, 5 surface mounting of machine case has controller 14.

By means of the mutual matching of the three PVC needle tubes 7 and the cross rod 8, multiple cavities can be synchronously sealed when the whole machine is used, and the machine case 5 can be more accurately moved through the mutual matching of the threaded rod 3 and the friction block 4.

Referring to fig. 3, the surface of the threaded rod 3 is fixedly connected with a friction block 4, and the friction block 4 is in contact with the inner wall of the bracket 2.

Illustratively, through the mutual contact of friction block 4 and support 2, will be under the effect of the resistance of friction block 4 when threaded rod 3 produces the rotation, effectively prevent its quick decline to cause the influence to drawing medicine.

Referring to fig. 2, a slot 11 is formed on the surface of the slide rail 10, and the slot 11 is connected with the insertion rod 12 in a matching manner.

By way of example, the mating of the card slot 11 and the connector rod 12 allows the connector rod 12 to be fixed at a desired height.

Referring to fig. 1, a plurality of PVC syringe 7 is detachably connected to the surface of the casing 5.

Illustratively, after the extraction is finished, the PVC needle tube 7 can be detached and replaced, so that the wrong mixing of the medicines is effectively prevented.

Referring to fig. 1, the power input end of the reset switch 13 is electrically connected to the power output end of the external power source through a wire, the power output end of the reset switch 13 is electrically connected to the power input ends of the controller 14 and the electric push rod 15 through wires, and the signal output end of the controller 14 is connected to the signal input end of the electric push rod 15.

The reset switch 13 is illustratively a master switch that allows the circuit to remain open when it is not depressed, and allows the circuit to be broken once the reset switch 13 is depressed, and the controller 14 controls the extension and retraction of the electrical push rod.

When the device is used, an external power supply is connected, when medicines are extracted, the PVC needle tube 7 is contacted with the medicines, the inserting rod 12 is pulled out, the medicines are moved on the slide rail 10 according to the amount required to be extracted, when the medicines are moved to the required amount, the medicines are pushed into the inserting clamping groove 11 inwards to be fixed, the electric push rod 15 is controlled by the controller 14 to move upwards, the transverse rod 8 drives the sealing piston 9 in the PVC needle tube 7 to move upwards along with the upward pulling process of the transverse rod 8 by the electric push rod 15 so as to extract the medicines, the transverse rod 8 is contacted with the reset switch 13 on the inserting rod 12, the electric push rod 15 is forced to stop working under the action of the reset switch 13 and is fixed in place, so that the synchronous extraction of different medicines is realized, and the backflow caused by different pressures in the sealing tube is effectively prevented, after extraction is finished, the medicine bottle is replaced, the insertion rod 12 is pulled out again, in the process of pulling out, the reset switch 13 on the surface of the insertion rod 12 can be separated from the cross rod 8, power is supplied to the electric push rod 15 and the controller 14 again, at the moment, the electric push rod 15 is controlled by the controller 14 to push downwards, the medicine originally extracted from the PVC needle tube 7 is discharged, the whole device is simple to operate and can be operated by a single person, when the height between the PVC needle tube 7 and the medicine bottle needs to be adjusted, only the case 5 needs to be pressed downwards, in the pressing process, the case 5 can drive the threaded rod 3 to rotate, in the rotating process of the threaded rod 3, the friction block 4 on the surface of the threaded rod can generate friction with the inner wall of the case 5, in addition, the case 5 can move downwards more stably, at the moment, an operator can more conveniently observe the descending condition, and can loosen the case 5 after extraction is finished, at this moment can drive it under the effect of spring 6 and will move up, but can slow down its speed that will move up under the effect of clutch blocks 4, let the more steady of rebound like this, the bulk operation is comparatively steady, great reduction the fault rate.

The utility model relates to an injection device for multi-cavity CVC tube sealing, which comprises a base 1; 2. a support; 3. a threaded rod; 4. a friction block; 5. a chassis; 6. a spring; 7. a PVC needle tube; 8. a cross bar; 9. a sealing piston; 10. a slide rail; 11. a card slot; 12. a plug rod; 13. a reset switch; 14. a controller; 15. the electric push rod, the components are all universal standard parts or components known to those skilled in the art, and the structure and the principle of the electric push rod are known to those skilled in the technical manual or by routine experiments.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The injection device for the multi-cavity CVC tube sealing comprises a base (1) and is characterized in that a support (2) is welded on the surface of the base (1), a threaded rod (3) is connected on the inner wall of the support (2) in a matched and rotating mode, a case (5) is connected on the surface of the threaded rod (3) in a matched and threaded mode, a spring (6) is welded on one side of the surface of the case (5), a cross rod (8) is connected on the inner wall of the case (5) in a matched and sliding mode, a sealing piston (9) is detachably connected on the other side of the surface of the cross rod (8), a sliding rail (10) is fixedly connected on one side of the surface of the case (5), an insertion rod (12) is connected on the surface of the insertion rod (12) in a matched and sliding mode, a reset switch (13) is installed on the surface of the case (5), an electric push rod (15) is installed on the inner wall of the case (5), and the power output end of the electric push rod (15) is welded on the surface of the cross rod (8), the surface of the case (5) is provided with a controller (14).

2. An injection device for a multi lumen CVC closure according to claim 1 characterised in that the threaded rod (3) has a friction block (4) attached to its surface and the friction block (4) is in contact with the inner wall of the holder (2).

3. An injection device for a multi-lumen CVC tube block according to claim 1 characterized in that the surface of the slide rail (10) is provided with a notch (11) and the notch (11) is connected with the connection rod (12) in a matching way.

4. An injection unit for multi-lumen CVC seals according to claim 1, characterized in that a plurality of PVC syringes (7) are detachably connected to the surface of the casing (5).

5. An injection device for a multi-lumen CVC catheter closure according to claim 1 characterized in that the power input of said reset switch (13) is electrically connected to the power output of an external power source through a wire, the power output of said reset switch (13) is electrically connected to the power input of the controller (14) and the power input of the electric push rod (15) through wires, and the signal output of the controller (14) is connected to the signal input of the electric push rod (15).