CN219332572U

CN219332572U - Nutrient solution injector needle cylinder with needle sleeve

Info

Publication number: CN219332572U
Application number: CN202222031086.7U
Authority: CN
Inventors: 黄丽; 刘素蓉; 罗萍
Original assignee: Chengdu First Peoples Hospital
Current assignee: Chengdu First Peoples Hospital
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2023-07-14
Anticipated expiration: 2032-08-03

Abstract

The utility model relates to the medical field, and particularly discloses a nutrient solution injector needle cylinder with a needle sleeve, which comprises a needle cylinder, a piston part and a cylinder cap, wherein the piston part is detachably arranged in the needle cylinder; the utility model connects the cylinder cap through the elastic rope, avoids losing the cylinder cap, seals the opening of the cylinder cap through the rubber sleeve, and facilitates the insertion of the cylinder cap into the head of the syringe by utilizing the gap, thereby avoiding the pollution of the inside of the cylinder cap.

Description

Nutrient solution injector needle cylinder with needle sleeve

Technical Field

The utility model relates to the field of medical treatment, in particular to a nutrient solution injector needle cylinder with a needle sleeve.

Background

At present, the injection of the nutrient solution is mostly carried out by adopting a common injector, a certain amount of nutrient solution is extracted by the injector when the nutrient solution is used and injected into a stomach tube of a patient, after the injection, the injection head of the needle tube of the existing injector is mostly exposed, the requirements of hospital feel are not met, bacterial infection is easy to occur, and secondary injury is caused to the patient; patent application number CN202121672066.7 discloses a nutrient solution injector convenient to clean, which comprises a needle cylinder, an inner container, a piston and a barrel cap, wherein the inner container is detachably arranged in the needle cylinder; the piston is detachably arranged in the inner container, the barrel cap is detachably sleeved on the head of the needle cylinder, the end part of the injector is detachably sleeved with the barrel cap, no connecting piece exists, the injector is easy to lose, the port of the barrel cap is open, and the inside of the injector is easy to be polluted, so that the head of the needle tube is polluted.

Disclosure of Invention

Aiming at the existing problems, the utility model provides the nutrient solution injector needle cylinder with the needle sleeve, the barrel cap is connected through the elastic rope, so that the loss of the barrel cap is avoided, the opening of the barrel cap is sealed through the rubber sleeve, the barrel cap is conveniently inserted into the head of the needle cylinder by utilizing the gap, the pollution of the interior of the barrel cap is avoided, the whole structure is simple, the operation is convenient, the pollution of the interior is effectively avoided, the requirements of hospital feel are met, and the problems in the background art can be effectively solved.

In order to solve the problems, the utility model adopts the following technical scheme: the utility model provides a nutrient solution syringe cylinder with needle cover, includes cylinder, piston spare, barrel cap, piston spare detachable installs inside the cylinder, barrel cap detachable cover is established at the cylinder head, the barrel cap outside has cup jointed the rubber envelope, the rubber envelope is close to barrel cap open-ended one end and opens has the slot, the symmetry lateral wall of barrel cap passes through the elastic cord and is connected with the cylinder lateral wall, the top surface fixed connection fag end of barrel cap, the lateral wall fixed connection couple of cylinder, fag end and couple hook joint after the barrel cap is dismantled.

As still further aspects of the utility model: the inner bottom surface of the cylinder cap is provided with a protruding block, and the protruding block is inserted into the head of the needle cylinder, so that the tightness is improved.

As still further aspects of the utility model: the medical rubber pad with the shape-following structure is arranged on the inner bottom surface of the cylinder cap, the tightness of the head of the needle cylinder is further improved through the medical rubber pad, and safety and sanitation are guaranteed.

As still further aspects of the utility model: the elastic rope is in a tightening and shrinking mode when the barrel cap is sleeved with the head of the needle cylinder and the rope sleeve is hooked with the hook, and the barrel cap is tightened through the elastic rope, so that the barrel cap is tightly attached to the head of the needle cylinder, and after the barrel cap is opened, the barrel cap can be fixed on the outer side of the needle cylinder and does not shake.

As still further aspects of the utility model: the elastic rope is detachably connected with the side wall of the needle cylinder and is cleaned or replaced regularly.

As still further aspects of the utility model: the free end of the elastic rope is fixedly connected with a screw head, a threaded sleeve connected into a whole is arranged on the side wall of the needle cylinder, and the screw head is in threaded connection with the threaded sleeve.

As still further aspects of the utility model: the outer side wall of the needle cylinder is provided with volume graduation marks.

Compared with the prior art, the utility model has the beneficial effects that: the utility model connects the cylinder cap through the elastic rope, avoids losing the cylinder cap, seals the opening of the cylinder cap through the rubber sleeve, and facilitates the insertion of the cylinder cap into the head of the syringe by utilizing the gap, thereby avoiding the pollution of the inside of the cylinder cap.

Drawings

FIG. 1 is a perspective view showing the overall structure of a nutrient solution syringe barrel with a needle cover;

FIG. 2 is an enlarged schematic view of A of FIG. 1 in a nutrient solution syringe barrel with needle mount;

fig. 3 is a schematic cross-sectional view of a cartridge cap in a nutrient solution syringe barrel with a needle cap.

In the figure: 1. a needle cylinder; 2. a piston member; 3. a cartridge cap; 4. a rubber envelope; 5. a slit; 6. an elastic rope; 7. rope sleeve; 8. a hook; 9. volume graduation marks; 10. a protruding block; 11. medical rubber cushion; 12. a screw head; 13. and (5) a threaded sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In this embodiment, this embodiment is described with reference to fig. 1 to 3, this embodiment provides a nutrient solution syringe needle cylinder with needle cover, including needle cylinder 1, piston 2, barrel cap 3, piston 2 detachable installs inside needle cylinder 1, barrel cap 3 detachable cover is established at needle cylinder 1 head, barrel cap 3 outside has cup jointed rubber jacket 4, rubber jacket 4 is close to barrel cap 3 open one end and has slit 5, when barrel cap 3 cover is in needle cylinder 1 head, and needle cylinder 1's head passes slit 5 and enters into barrel cap 3 inside, realizes the seal to needle cylinder 1 head, and after barrel cap 3 is taken apart, rubber jacket 4 is in the elastic action under the back, forms slit 5 again and seals barrel cap 3's opening part, has realized the automatic sealing effect, has effectively avoided the possibility to the inside pollution of barrel cap 3, barrel cap 3's symmetrical lateral wall passes through elastic cord 6 and is connected with 1 lateral wall, can make barrel cap 3 tightly cover at 1 head on the one side, on the other hand can prevent that barrel cap 3 from taking up, and the hook cap 3 from taking down, and the hook cap 3 is equipped with the hook cap 3, and the hook 3 is convenient for the fixed to take down the hook wire hook 3 after barrel cap 3 takes apart, and the hook 3 is connected with the hook cap 3, and the hook 3 is equipped with the hook cap 3, and the hook 3 is convenient for taking down in order to take down the hook 3.

As shown in fig. 3, the inner bottom surface of the barrel cap 3 is provided with a protruding block 10, the protruding block 10 is inserted into the head of the syringe 1, so that the tightness is improved, the inner bottom surface of the barrel cap 3 is provided with a medical rubber pad 11 with a shape-following structure, the tightness of the head of the syringe 1 is further improved through the medical rubber pad 11, safety and sanitation are ensured, when the barrel cap 3 is sleeved on the head of the syringe 1, the inner wall of the barrel cap 3 is tightly attached to the outer wall of the head of the syringe 1, the protruding block 10 is inserted into the head of the syringe 1, and the medical rubber pad 11 is of a groove structure, so that the medical rubber pad 11 wraps the protruding block 10.

The elastic rope 6 is in a tightening and shrinking mode when the barrel cap 3 is sleeved with the head of the needle cylinder 1 and the rope sleeve 7 is hooked with the hook 8, the barrel cap 3 is tightened through the elastic rope 6, the barrel cap 3 is tightly attached to the head of the needle cylinder 1, and after the barrel cap 3 is opened, the barrel cap 3 can be fixed on the outer side of the needle cylinder 1 and does not shake.

As shown in fig. 2, the elastic rope 6 is detachably connected with the side wall of the syringe 1, and is cleaned or replaced regularly, the free end of the elastic rope 6 is fixedly connected with a screw head 12, the side wall of the syringe 1 is provided with a screw sleeve 13 connected into a whole, and the screw head 12 is in threaded connection with the screw sleeve 13.

The application method of the utility model comprises the following steps: when the nutrient solution needs to be injected, the barrel cap 3 is pulled to be separated from the head of the needle cylinder 1, the rope sleeve 7 is hooked with the hook 8, then the nutrient solution is extracted for injection, after the injection is finished, the needle cylinder 1 is cleaned, and the barrel cap 3 is sleeved on the head of the needle cylinder 1 to seal the needle cylinder 1.

It is noted that relational terms such as first and second, and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions, and further, that the terms "comprise," "include," 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.

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

Claims

1. The utility model provides a nutrient solution syringe cylinder with needle cover, includes cylinder, piston spare, barrel cap, piston spare detachable installs inside the cylinder, barrel cap detachable cover is established at the cylinder head, its characterized in that, the rubber envelope has been cup jointed in the barrel cap outside, the rubber envelope is close to barrel cap open-ended one end and opens the slit, the symmetry lateral wall of barrel cap passes through elastic rope and is connected with the cylinder lateral wall, the top surface fixed connection fag end of barrel cap, the lateral wall fixed connection couple of cylinder, fag end and couple hook joint after the barrel cap is dismantled.

2. The nutrient solution syringe barrel with needle cover as claimed in claim 1, wherein the inner bottom surface of the barrel cap is provided with a protruding block, and the protruding block is inserted into the interior of the barrel head.

3. The nutrient solution syringe barrel with needle cover as claimed in claim 2, wherein the inner bottom surface of the barrel cap is provided with a medical rubber pad with a conformal structure.

4. The nutrient solution syringe barrel with needle sheath of claim 1, wherein the elastic rope is in a tight and contracted form when the barrel cap is sleeved with the head of the syringe barrel and the rope sleeve is hooked with the hook.

5. The syringe of claim 1 wherein said flexible cord is removably attached to a syringe sidewall.

6. The nutrient solution syringe cylinder with needle sheath as recited in claim 5, wherein the free end of the elastic rope is fixedly connected with a screw head, the side wall of the cylinder is provided with a thread sheath connected with the screw head into a whole, and the screw head is in threaded connection with the thread sheath.

7. The nutrient solution syringe barrel with needle cover as recited in claim 1, wherein the outer sidewall of the barrel is provided with volume graduation marks.