CN213374438U

CN213374438U - Light-resistant syringe for medical injection

Info

Publication number: CN213374438U
Application number: CN202021154721.5U
Authority: CN
Inventors: 吴玲玉
Original assignee: Suzhou Municipal Hospital
Current assignee: Suzhou Municipal Hospital
Priority date: 2020-06-20
Filing date: 2020-06-20
Publication date: 2021-06-08
Anticipated expiration: 2030-06-20

Abstract

The utility model discloses a medical treatment is light-resistant cylinder for injection, including light-resistant urceolus and the piston inner tube of constituteing the barrel, light-resistant urceolus cover is in the outside of piston inner tube, and the both sides face of the top symmetry of light-resistant urceolus all stands out and is provided with the handle, and the side of two sets of symmetries all stands out in addition and is equipped with first otic placode, and has cup jointed the slip ring that slides the setting in the circumference outside of light-resistant urceolus, the both sides face of slip ring symmetry all stands out and is equipped with the second otic placode, the inside of piston inner tube is provided with piston mechanism, and piston mechanism's top is connected with. This light-resistant cylinder is used in medical treatment injection can enough carry out the light-resistant processing when the suction to the liquid medicine that needs the light-resistant, simultaneously can also be when the injection, is convenient for observe the in service behavior of liquid medicine, and the design of slip ring, and it is more convenient to make the observation, and the accuracy nature in the liquid medicine observation process has been guaranteed in the setting of two sets of guide bars simultaneously.

Description

Light-resistant syringe for medical injection

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to light-resistant cylinder is used in medical treatment injection.

Background

Syringes are a common medical device. As early as the 15 th century, kathler, italian, proposed the principle of the syringe. Gas or liquid is primarily drawn or injected with a needle. Syringes may also be used for injection through rubber septa in medical devices, containers, scientific instruments such as in some chromatography. In clinical care work, syringes are the most commonly used medical tools for safe injection of medical fluids into the body.

However, the syringe used for clinical injection does not have the light-shielding effect at present, but a lot of liquid medicines need to be shielded from light, and only the light-shielding paper is added outside the syringe clinically, but after the light-shielding paper is added, the using condition of the liquid medicines cannot be observed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a medical treatment is light-resistant cylinder for injection to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a medical treatment is light-resistant cylinder for injection, is including light-resistant urceolus and the piston inner tube of constituteing the barrel, light-resistant urceolus cover is in the outside of piston inner tube, and the both sides face of the top symmetry of light-resistant urceolus all stands out and is provided with the handle, and the side of two sets of symmetries all stands out and is equipped with first otic placode in addition, and the circumference outside of light-resistant urceolus has cup jointed the slip ring that slides and set up, the both sides face of slip ring symmetry all stands out and is equipped with the second otic placode, the inside of piston inner tube is provided with piston mechanism, and piston mechanism.

Preferably, the piston mechanism comprises a piston plate tightly attached to the inner wall of the piston inner cylinder, a piston rod connected to the top end of the piston plate and a push plate connected to the top end of the piston rod, wherein the push plate, the piston rod and the piston plate are coaxially connected.

Preferably, the outer side surface of the light-proof outer cylinder is also engraved with scale marks for measuring the liquid level condition of the piston inner cylinder, and the light-proof outer cylinder is of a hollow cylindrical structure made of a light-tight material.

Preferably, the top outside of guide bar is equipped with the external screw thread structure to with the bottom face threaded connection of push pedal, the bottom of guide bar is glossy round bar, and the activity passes first otic placode to be fixed and rotates the setting in the second otic placode.

Preferably, the length of guide bar is greater than the length of piston rod, and the upper and lower terminal surface of the slip ring that guide bar and push pedal threaded fixation back are connected is parallel and level with the upper and lower both ends face of piston plate respectively.

Preferably, the two groups of the handles and the two groups of the second ear plates are arranged at the top end of the light-proof outer barrel in an annular array, and arc-shaped handle grooves are formed in the bottom end surfaces of the two groups of the handles.

The utility model discloses a technological effect and advantage: according to the light-proof needle cylinder for medical injection, the light-proof outer cylinder is sleeved on the outer side of the piston inner cylinder, the piston inner cylinder is completely shielded by the light-proof outer cylinder, the sliding ring which slides synchronously with the piston plate is sleeved on the outer side of the light-proof outer cylinder, and the sliding ring corresponds to the scale mark line, so that when the needle cylinder is used, light-proof treatment can be performed on liquid medicine needing light-proof during suction, meanwhile, the using condition of the liquid medicine can be conveniently observed during injection, the slide ring is designed, observation is more convenient, meanwhile, the accuracy of the liquid medicine in the observation process is ensured due to the arrangement of the two groups of guide rods, and the problem of inclination caused by single; meanwhile, the guide rod can be detached from the push plate in a threaded manner, so that the push plate, the piston rod and the piston plate can be conveniently pulled out for cleaning after use.

Drawings

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

fig. 2 is a cross-sectional view taken along line a-a of fig. 1 in accordance with the present invention;

fig. 3 is a cross-sectional view taken along line B-B of fig. 1 according to the present invention.

In the figure: 1. a light-shading outer cylinder; 2. a piston rod; 3. pushing the plate; 4. scale mark lines; 5. a grip; 6. a first ear plate; 7. a guide bar; 8. a slip ring; 9. a second ear panel; 10. an inner piston cylinder; 11. a piston plate; 12. a handle slot.

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.

The utility model provides a light-resistant cylinder for medical injection as shown in fig. 1-3, including light-resistant urceolus 1 and the piston inner tube 10 of constituteing the barrel, light-resistant urceolus 1 cover is in the outside of piston inner tube 10, and the both sides face of the top symmetry of light-resistant urceolus 1 all stands out and is provided with handle 5, and the side of two sets of symmetries all stands out and is equipped with first otic placode 6 in addition, and has cup jointed the slip ring 8 that slides and set up in the circumference outside of light-resistant urceolus 1, the both sides face of slip ring 8 symmetry all stands out and is equipped with second otic placode 9, and here first otic placode 6 corresponds with second otic placode 9 is vertical, the inside of piston inner tube 10 is provided with piston mechanism, and piston mechanism's top is connected with the guide bar.

Specifically, the piston mechanism includes piston plate 11, the piston rod 2 that the 11 tops of piston plate are connected and the push pedal 3 that the 2 tops of piston rod are connected that paste tight with 10 inner walls of piston inner tube, wherein coaxial coupling between push pedal 3, piston rod 2 and the 11 three of piston plate, and push pedal 3 is discoid structure, and piston plate 11 is made by rubber.

Specifically, the outer side surface of the light-proof outer cylinder 1 is also carved with scale marks 4 for measuring the liquid level condition of the piston inner cylinder 10, the light-proof outer cylinder 1 is of a hollow cylindrical structure made of a light-proof material, and the end part arranged at the lower end of the piston inner cylinder 10 and used for being connected with a needle head is also made of a light-proof material.

Specifically, the top outside of guide bar 7 is equipped with the external screw thread structure to with the bottom face threaded connection of push pedal 3, the bottom of guide bar 7 is glossy round bar, and the activity passes first otic placode 6 and fixes and rotate the setting in second otic placode 9, thereby can also rotate guide bar 7, with its and push pedal 3 between dismantle.

Specifically, the length of the guide rod 7 is greater than the length of the piston rod 2 (that is, the length of the guide rod 7 between the push plate 3 and the second lug plate 9 is the same as the length of the piston rod 2), and the upper end surface and the lower end surface of the sliding ring 8, which is connected after the guide rod 7 and the push plate 3 are fixed by screw threads, are flush with the upper end surface and the lower end surface of the piston plate 11 respectively, so that the sliding ring 8 can display the liquid level condition.

Specifically, the two groups of the handles 5 and the two groups of the second ear plates 9 are arranged on the top end of the light-shielding outer barrel 1 in an annular array, and the bottom end surfaces of the two groups of the handles 5 are provided with arc-shaped handle grooves 12.

The working principle of the light-proof needle cylinder for medical injection is that when the light-proof needle cylinder for medical injection is used, all structures are installed and connected according to the mode shown in figure 1, when light-proof liquid medicine needs to be pumped, one hand of a medical worker holds the handle 5, the other hand pulls the push plate 3 and the piston rod 2 outwards, the liquid medicine is pumped into the piston inner cylinder 10, in the process of pumping the liquid medicine, the sliding ring 8 and the piston plate 11 synchronously slide in the light-proof outer cylinder 1 and the piston inner cylinder 10 respectively, the liquid medicine pumped into the piston inner cylinder 10 can be observed, in the process of injection, the injection amount is also convenient to observe, when the needle cylinder needs to be cleaned after being used, the two groups of guide rods 7 are respectively rotated by hands, in the rotating process, the push plate 3 is pushed upwards until the guide rods 7 leave the push plate 3, the disassembly of the guide rods 7 and the push plate 3 is completed, at the moment, the piston rod 2 and, can be cleaned conveniently.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a medical treatment is light-resistant cylinder for injection, is including light-resistant urceolus (1) and piston inner tube (10) of constituteing the barrel, its characterized in that: the cover is in the outside of piston inner tube (10) in light-resistant urceolus (1), and the both sides face of the top symmetry of light-resistant urceolus (1) all stands out and is provided with handle (5), and the side of two sets of symmetries all stands out and is equipped with first otic placode (6) in addition, and cup joints slip ring (8) that the slip set up in the circumference outside of light-resistant urceolus (1), the both sides face of slip ring (8) symmetry all stands out and is equipped with second otic placode (9), the inside of piston inner tube (10) is provided with piston mechanism, and piston mechanism's top is connected with and passes guide bar (7) on first otic placode (6) to second otic placode.

2. The light-resistant syringe for medical injection according to claim 1, wherein: the piston mechanism comprises a piston plate (11) tightly attached to the inner wall of the piston inner cylinder (10), a piston rod (2) connected to the top end of the piston plate (11), and a push plate (3) connected to the top end of the piston rod (2), wherein the push plate (3), the piston rod (2) and the piston plate (11) are coaxially connected.

3. The light-resistant syringe for medical injection according to claim 1, wherein: the outer side surface of the light-proof outer cylinder (1) is also carved with scale marks (4) for measuring the liquid level condition of the piston inner cylinder (10), and the light-proof outer cylinder (1) is of a hollow cylindrical structure made of light-proof materials.

4. The light-resistant syringe for medical injection according to claim 1, wherein: the top outside of guide bar (7) is equipped with the external screw thread structure to with the bottom face threaded connection of push pedal (3), the bottom of guide bar (7) is glossy round bar, and the activity passes first otic placode (6) and fixes and rotate the setting in second otic placode (9).

5. The light-resistant syringe for medical injection according to claim 4, wherein: the length of the guide rod (7) is greater than that of the piston rod (2), and the upper end face and the lower end face of a sliding ring (8) which is connected with the guide rod (7) and the push plate (3) after being fixed by threads are flush with the upper end face and the lower end face of the piston plate (11) respectively.

6. The light-resistant syringe for medical injection according to claim 1, wherein: the handles (5) and the second ear plates (9) are arranged on the top end of the light-shading outer barrel (1) in an annular array mode, and arc-shaped handle grooves (12) are formed in the bottom end face of each handle (5).