CN211461590U

CN211461590U - Safe insulin needle

Info

Publication number: CN211461590U
Application number: CN201921828135.1U
Authority: CN
Inventors: 张文
Original assignee: Shandong Kerui Medical Supplies Co ltd
Current assignee: Shandong Kerui Medical Supplies Co ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-09-11
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses a safe insulin needle, belonging to the technical field of medical equipment, comprising a needle main body and a needle cylinder, wherein the side wall of the needle cylinder is connected with a rack, the wall of a transverse rod is connected with a gear and a first conical tooth, one end of a vertical rod, which is far away from the second conical tooth, is connected with a third conical tooth, the wall of the rod of a screw rod is connected with a fourth conical tooth, and a slide rod extends into a protective cylinder and is connected with the screw thread of the screw rod; the utility model discloses a promote a protection section of thick bamboo, at the gear, the rack, first toper tooth, second toper tooth, will drive under the cooperation of third toper tooth and fourth toper tooth and keep off the lid and remove and open and keep off the lid, make the syringe needle expose at a protection section of thick bamboo outside, reverse movement protection section of thick bamboo again, then can drive and keep off the lid and also reverse movement blocks a protection section of thick bamboo, make the syringe needle accomodate inside a protection section of thick bamboo, only need make a round trip to promote a protection section of thick bamboo just can expose or accomodate the syringe needle, avoid extracting again to sheatheeing in the needle cap with the hand and being stabbed by the syringe needle, thereby the security.

Description

Safe insulin needle

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a safe insulin syringe needle.

Background

In the present society, more and more diabetic patients, more and more insulin patients, and more insulin needles, the usage rate of insulin needles is rapidly increased, but the needle stick injuries from the insulin needles are increased, the needle stick injuries are one of the most serious occupational risk factors faced by medical staff at present, the risk of the medical staff for spreading diseases caused by occupational infection and blood sources is 2-19 times that of common people, 80% of the diseases are attributed to the needle stick injuries, more and more insulin patients are injected at home, and although no data shows that the incidence rate of the needle stick injuries of the patients during self injection is high, the patients who are not trained professionally do not have the needle stick injuries in a small number, the needle stick injuries generally occur after the insulin injection, the insulin needles are removed, and the insulin needle caps are not sleeved.

When the existing insulin syringe is used, a needle cap sleeved outside a needle head needs to be taken out, after injection is completed, the needle cap is sleeved on the needle head, the syringe is discarded, but the needle head and the needle cap are very small, so that medical workers are easily stabbed by the needle head when the needle cap is sleeved back, the safety is not high, and the safe insulin needle head is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the prior art and providing a safe insulin needle.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a safe insulin needle comprises a needle main body and a needle cylinder, wherein the needle main body is connected to the bottom of the needle cylinder, a rubber plug is connected to the inner side wall of the needle cylinder in a sliding manner, the top of the rubber plug is connected with a push rod, one end, close to the needle main body, of the needle cylinder is connected with a protection cylinder in a sliding manner, a cavity is formed inside the protection cylinder, a rack is connected to the side wall of the needle cylinder, a first sliding chute matched with the rack is formed in the inner side wall of the protection cylinder in a drilling manner, a transverse rod is connected to the inner side wall of the protection cylinder in a rotating manner, a gear and first conical teeth are connected to the wall of the transverse rod, the gear is meshed with the rack, a vertical rod is further connected to the inner side wall of the protection cylinder in a rotating manner, one end, close to the first conical teeth, of, the novel lead screw protection device is characterized in that a fourth conical tooth is connected to the rod wall of the lead screw, a blocking cover is connected to the bottom of the protection cylinder in a sliding mode, a sliding rod is connected to the bottom of the blocking cover, the sliding rod extends into the protection cylinder and is connected with the lead screw in a threaded mode, and a fixing piece is connected to the side wall, away from the blocking cover, of the protection cylinder.

Preferably, the fixing piece is a screw rod, the screw rod is in threaded connection with the side wall of the protective cylinder, and a screw hole matched with the screw rod is formed in the side wall of the cylinder.

Preferably, the rod wall of the vertical rod is rotatably connected with a loop bar, and one end, far away from the vertical rod, of the loop bar is connected to the inner side wall of the protective barrel.

Preferably, a second sliding groove is formed in the bottom of the protection cylinder, and the sliding rod is connected inside the second sliding groove in a sliding mode.

Preferably, the side wall of the sliding rod is provided with a threaded hole matched with the screw rod, and the screw rod is in threaded connection with the sliding rod through the threaded hole.

Compared with the prior art, the utility model provides a safe insulin syringe needle possesses following beneficial effect:

1. the safe insulin needle head is characterized in that before an insulin syringe is used for injecting a patient, a screw rod is rotated to be separated from a screw hole, a needle cylinder and a protective cylinder are loosened, then the protective cylinder is moved, a gear inside the protective cylinder rotates on a rack, so that a first conical tooth is driven to rotate through a cross rod, the first conical tooth drives a second conical tooth to rotate, the second conical tooth drives a vertical rod to rotate, the vertical rod drives a third conical tooth to rotate, the third conical tooth drives a fourth conical tooth to rotate, the fourth conical tooth drives a lead screw to rotate, the lead screw drives a slide rod to move, the slide rod drives a blocking cover connected with the slide rod to move to open the protective cylinder, the needle head inside the protective cylinder is exposed, after the patient is injected, the protective cylinder is moved reversely, the blocking cover is driven to move to block the protective cylinder again, the needle head is stored inside the protective cylinder, and the needle head can be exposed or stored only by pushing the protective cylinder back and forth, the needle cap is prevented from being pulled out by hand and then sleeved to be punctured by the needle head, thereby improving the safety.

Drawings

Fig. 1 is a schematic structural view of a safety insulin needle according to the present invention;

fig. 2 is one of the schematic internal structural diagrams of a safety insulin needle according to the present invention;

fig. 3 is one of the schematic internal structural diagrams of a safety insulin needle according to the present invention;

fig. 4 is one of the schematic internal structural diagrams of a safety insulin needle according to the present invention;

fig. 5 is an enlarged schematic view of a portion a of fig. 2 of the safety insulin needle according to the present invention;

fig. 6 is an enlarged schematic view of the portion B in fig. 3 of the safety insulin needle according to the present invention;

fig. 7 is an enlarged schematic view of the portion C in fig. 4 of the safety insulin needle according to the present invention.

In the figure: 1. a needle cylinder; 2. a push rod; 3. a rubber plug; 4. a needle body; 5. a protective cylinder; 6. a rack; 7. a first chute; 8. a gear; 9. a first conical tooth; 10. a second tapered tooth; 11. a cross bar; 12. a vertical rod; 13. a loop bar; 14. a third tapered tooth; 15. a fourth conical tooth; 16. a screw rod; 17. a slide bar; 18. a blocking cover; 1801. a second chute; 19. a screw.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-7, a safe insulin needle comprises a needle body 4 and a syringe 1, wherein the needle body 4 is connected to the bottom of the syringe 1, a rubber plug 3 is slidably connected to the inner side wall of the syringe 1, the top of the rubber plug 3 is connected with a push rod 2, one end of the syringe 1 close to the needle body 4 is slidably connected with a protective barrel 5, a cavity is opened inside the protective barrel 5, a rack 6 is connected to the side wall of the syringe 1, a first chute 7 matched with the rack 6 is opened on the inner side wall of the protective barrel 5, a cross rod 11 is rotatably connected to the inner side wall of the protective barrel 5, a gear 8 and a first conical tooth 9 are connected to the rod wall of the cross rod 11, the gear 8 is engaged with the rack 6, a vertical rod 12 is rotatably connected to the inner side wall of the protective barrel 5, one end of the vertical rod 12 close to the first conical tooth 9 is connected, the inner side wall of the protection barrel 5 is rotatably connected with a screw rod 16, the rod wall of the screw rod 16 is connected with a fourth conical tooth 15, the bottom of the protection barrel 5 is slidably connected with a blocking cover 18, the bottom of the blocking cover 18 is connected with a slide rod 17, the slide rod 17 extends into the protection barrel 5 and is in threaded connection with the screw rod 16, and the side wall of the protection barrel 5, far away from the blocking cover 18, is connected with a fixing piece;

the fixing piece is a screw rod 19, the screw rod 19 is in threaded connection with the side wall of the protective cylinder 5, and a screw hole matched with the screw rod 19 is formed in the side wall of the needle cylinder 1;

a sleeve rod 13 is rotatably connected to the rod wall of the vertical rod 12, and one end, far away from the vertical rod 12, of the sleeve rod 13 is connected to the inner side wall of the protection barrel 5;

a second sliding groove 1801 is formed in the bottom of the protection cylinder 5, and the sliding rod 17 is connected inside the second sliding groove 1801 in a sliding manner;

a threaded hole matched with the screw rod 16 is drilled in the side wall of the sliding rod 17, and the screw rod 16 is in threaded connection with the sliding rod 17 through the threaded hole;

before the insulin injector is used for injecting to a patient, the screw rod 19 is rotated to be separated from the screw hole, the needle cylinder 1 and the protection cylinder 5 are loosened, then the protection cylinder 5 is moved, the gear 8 in the protection cylinder 5 rotates on the rack 6, so that the cross rod 11 drives the first conical tooth 9 to rotate, the first conical tooth 9 drives the second conical tooth 10 to rotate, the second conical tooth 10 drives the vertical rod 12 to rotate, the vertical rod 12 drives the third conical tooth 14 to rotate, the third conical tooth 14 drives the fourth conical tooth 15 to rotate, the fourth conical tooth 15 drives the screw rod 16 to rotate, the screw rod 16 drives the slide rod 17 to move, the slide rod 17 drives the blocking cover 18 connected with the slide rod to move to open the protection cylinder 5, the needle head body 4 in the protection cylinder 5 is exposed, after the patient is injected, the protection cylinder 5 is moved reversely, the blocking cover 18 is driven to move reversely to block the protection cylinder 5 again, and the needle head body 4 is accommodated in the protection cylinder 5, therefore, the needle body 4 can be exposed or accommodated only by pushing the protective barrel 5 back and forth, and the needle cap is prevented from being pulled out by hands and then being sleeved to be punctured by the needle, so that the safety is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a safe insulin syringe, includes syringe needle main part (4) and cylinder (1), syringe needle main part (4) is connected in cylinder (1) bottom, sliding connection has plug (3) on the cylinder (1) inside wall, plug (3) top is connected with push rod (2), its characterized in that, the one end sliding connection that cylinder (1) is close to syringe needle main part (4) has a protection section of thick bamboo (5), protection section of thick bamboo (5) inside is opened there is the cavity, be connected with rack (6) on cylinder (1) lateral wall, it has first spout (7) with rack (6) matched with to open the chisel on protection section of thick bamboo (5) inside wall, it is connected with horizontal pole (11) to rotate on protection section of thick bamboo (5) inside wall, be connected with gear (8) and first conical tooth (9) on horizontal pole (11) pole wall, gear (8) mesh with rack (6), still rotate on a protection section of thick bamboo (5) inside wall and be connected with montant (12), montant (12) are close to the one end of first toper tooth (9) and are connected with second toper tooth (10), the one end that second toper tooth (10) was kept away from in montant (12) is connected with third toper tooth (14), it is connected with lead screw (16) to rotate on a protection section of thick bamboo (5) inside wall, be connected with fourth toper tooth (15) on the pole wall of lead screw (16), a protection section of thick bamboo (5) bottom sliding connection has fender lid (18), it is connected with slide bar (17) to keep off lid (18) bottom, slide bar (17) extend to a protection section of thick bamboo (5) inside and link to each other with lead screw (16) screw thread, a protection section of thick bamboo (5) are kept away from and are connected with the.

2. The safety insulin needle according to claim 1, wherein the fixing member is a screw rod (19), the screw rod (19) is screwed on the side wall of the protective barrel (5), and the side wall of the syringe (1) is provided with a screw hole matched with the screw rod (19).

3. A safety insulin needle as claimed in claim 2, wherein a sleeve rod (13) is rotatably connected to the rod wall of the vertical rod (12), and the end of the sleeve rod (13) far away from the vertical rod (12) is connected to the inner side wall of the protective sleeve (5).

4. The safety insulin needle according to claim 3, wherein the bottom of the protection barrel (5) is provided with a second sliding groove (1801), and the sliding rod (17) is slidably connected inside the second sliding groove (1801).

5. The safety insulin needle according to any one of claims 1 to 4, wherein the side wall of the sliding rod (17) is chiseled with a threaded hole which is matched with the screw rod (16), and the screw rod (16) is in threaded connection with the sliding rod (17) through the threaded hole.