CN112870494A

CN112870494A - Injection-depth-adjustable insulin needle

Info

Publication number: CN112870494A
Application number: CN202110162336.8A
Authority: CN
Inventors: 胡超宇; 鲁艳; 石家涵
Original assignee: Puang Hangzhou Medical Technology Co ltd
Current assignee: Puang Hangzhou Medical Technology Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-06-01
Anticipated expiration: 2041-02-05
Also published as: CN112870494B

Abstract

The invention discloses a syringe needle for insulin with adjustable injection depth, which comprises: the device comprises an injector body, a protective plate and a control rod arranged on the protective plate; the movable adjusting assembly is used for connecting the injector body and the guard plate, rotatably adjusting the angle of the injector body and adjusting the depth; the rotating assembly is used for controlling the connection between the rod and the guard plate; control assembly, control assembly is used for controlling fixed movable adjusting part, syringe needle protection component, the syringe needle subassembly is used for protecting the syringe needle, through controlling the adjustment fixed plate position from top to bottom, makes the protective tube support and presses the blood vessel of skin department to accomplish fixedly through first stay cord, when avoiding the patient to inject by oneself, the syringe needle appears and rocks, through the accurate stable injection depth of regulation of degree of depth adjusting part again, when avoiding the patient to inject by oneself misoperation, insert too deeply or too shallowly.

Description

Injection-depth-adjustable insulin needle

Technical Field

The invention relates to the technical field of injector devices, in particular to a needle head for insulin with adjustable injection depth.

Background

The diabetes patient is generally controlled by injecting insulin, the injection mode of insulin is generally divided into intramuscular injection and intravenous injection, and the intramuscular injection or intravenous injection of insulin is selected according to the condition of the disease. For special conditions such as DKA, HHS and operation, the amount of insulin injection needs to be changed at any time or the injection and absorption are unstable under subcutaneous injection, the injection frequency of insulin is high, short-acting insulin is generally used, injection is performed before meals every day, injection with high frequency is performed by a patient, the patient is required to perform injection by himself, the operation specification of the injection is difficult to master, when the patient is in an emergency and needs intravenous injection, the patient is difficult to find acupuncture points, shaking easily occurs in the injection and propulsion process, and the injection cannot be completed, so that the insulin needle with adjustable injection depth is provided.

Disclosure of Invention

The invention aims to provide an insulin needle with adjustable injection depth, which solves the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: an insulin needle with adjustable injection depth, comprising: the device comprises an injector body, a protective plate and a control rod arranged on the protective plate; the movable adjusting assembly is used for connecting the injector body and the guard plate, rotatably adjusting the angle of the injector body and adjusting the depth; the rotating assembly is used for controlling the connection between the rod and the guard plate; the control assembly is used for controlling the fixed movable adjusting assembly; a needle guard assembly for shielding a needle.

Preferably, the activity adjusting part includes first fixed block, with the first limiting plate of backplate normal running fit, the first dead lever of first limiting plate top fixedly connected with, first dead lever top is equipped with the fixed plate, first dead lever top penetrates in the fixed plate, first dead lever both sides are two spacing posts of symmetrical structure fixedly connected with, spacing post and fixed plate normal running fit, first movable groove has been seted up to first dead lever top surface, first movable inslot portion is equipped with fixed subassembly, fixed plate top fixedly connected with and first fixed block sliding fit's spacing, the inside degree of depth adjusting part that is equipped with of fixed plate.

Preferably, the fixed component comprises a movable block, a first gear is fixedly connected to the top of the movable block, a first spring is hung between the movable block and the first movable groove in a hanging and matching mode, a second movable groove is formed in the middle of the first gear, and a plurality of continuously arranged first clamping grooves which are fixedly connected with the first gear in an inserting mode are formed in the bottom of the fixed plate.

Preferably, the depth adjusting assembly comprises a first rack, a first sliding groove in sliding fit with the first rack is formed in the middle of the fixing plate, a second spring is hung and matched between the first rack and the first sliding groove, a second gear is meshed and driven at the top of the first rack, a first bevel gear is fixedly connected to the side of the second gear, a second bevel gear is meshed and driven at the first bevel gear, a third gear is fixedly connected to the side of the second bevel gear, a fourth gear is meshed and driven at the top of the third gear, the top of the fourth gear penetrates out of the top surface of the fixing plate, and a second rack in meshed and driven with the fourth gear is fixedly connected to the bottom of the first fixing block.

Preferably, the runner assembly includes the second fixed block fixed with the backplate intercommunication, second fixed block and control lever normal running fit, the third activity groove has been seted up at second fixed block middle part, movable fit has the second limiting plate in the third activity groove, it has the third spring to articulate the cooperation between second limiting plate and the third activity groove.

Preferably, the control assembly is including inlaying two fifth gears of locating the control lever tip, two fifth gear level and vertical position all do not correspond, fifth gear engagement has the sixth gear, sixth gear middle part fixedly connected with and control lever normal running fit's winding reel is located upper portion the winding reel middle part is convoluteed the cooperation and is had first stay cord, is located the lower part the winding reel middle part is convoluteed the cooperation and is had the second stay cord, first stay cord passes control lever, second fixed block, third movable groove, second limiting plate, third spring, backplate, first limiting plate, first dead lever, first movable groove, first spring and movable block in proper order and is connected fixedly, the second stay cord passes control lever, second fixed block, third movable groove, second limiting plate, third spring, backplate, first spring, movable block, first gear, second activity groove, spacing post, fixed plate, first spout are connected with first rack and are fixed, the second stay cord is connected with the second limiting plate and is fixed.

Preferably, the needle head protection assembly comprises a protection cap in threaded connection with the injector body, a protection tube penetrates through the middle of the protection cap, and the rear side of the protection tube is in plug-in fit with the injector body.

Preferably, the middle part of the top surface of the first fixed block is provided with a slot which is in plug-in fit with the syringe body, and the end part of the slot is provided with a second clamping groove which is in plug-in fit with a retaining ring at the end part of the syringe body.

Preferably, the limiting strip is of a T-shaped structure.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the control rod is rotated, the position of the fixing plate is adjusted up and down, left and right, the fixing plate drives the protective tube to abut against the skin blood vessel, the fifth gear is rotated to drive the winding rod, the first stretching is loosened, the first gear is moved upwards under the action of the first spring and is clamped and matched with the first clamping groove, so that the angle position of the fixing plate is fixed, the protective tube is tightly attached to the skin blood vessel, the phenomenon that a needle head shakes easily when a patient injects the injection by himself is avoided, and the device is simple and convenient.

2. According to the invention, the second pull rope drives the first rack to move by rotating the other fifth gear, and the second gear is driven to move under the action of the gear, so that the injector body in the first fixed block moves, and the needle head in the protective tube is driven to complete depth adjustment.

Drawings

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

FIG. 2 is an enlarged view of the structure of area A in FIG. 1;

FIG. 3 is a schematic diagram of FIG. 2 with the structure broken away;

FIG. 4 is a schematic view of the needle shield assembly of the present invention;

FIG. 5 is a schematic cross-sectional view of the structure of FIG. 2;

FIG. 6 is a schematic diagram of FIG. 5 with the structure broken away;

FIG. 7 is an enlarged view of a portion of the structure of FIG. 6;

FIG. 8 is an enlarged view of the structure in the area B of FIG. 5;

FIG. 9 is a schematic sectional view of the needle rotating assembly of the present invention;

FIG. 10 is a schematic cross-sectional view of the structure of FIG. 9;

FIG. 11 is an enlarged view of the structure of the area C in FIG. 1;

fig. 12 is a schematic cross-sectional view of the structure of fig. 11.

In the figure: 1-an injector body; 2-guard board; 3-a control lever; 4-a movable adjustment assembly; 5-a first fixed block; 6-a first limiting plate; 7-a first fixing rod; 8, fixing a plate; 9-a limiting column; 10-a first active slot; 11-a stationary assembly; 12-a movable block; 13-a first gear; 14-a first spring; 15-a second active slot; 16-a first card slot; 17-a depth adjustment assembly; 18-a first rack; 19-a first runner; 20-a second spring; 21-a second gear; 22-a first bevel gear; 23-a second bevel gear; 24-a third gear; 25-a fourth gear; 26-a second rack; 27-a rotating assembly; 28-a second fixed block; 29-a third active slot; 30-a second limiting plate; 31-a third spring; 32-a control component; 33-fifth gear; 34-sixth gear; 35-a winding rod; 36-a first pull cord; 37-a second draw cord; 38-a slot; 39-a second card slot; 40-a needle shield assembly; 41-protective cap; 42-a protective tube; 43-a limit strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-12, the present invention provides a technical solution: an insulin needle with adjustable injection depth, comprising: the device comprises an injector body 1, a protective plate 2 and a control rod 3 arranged on the protective plate 2; the device also comprises a movable adjusting component 4, wherein the movable adjusting component 4 is used for connecting the injector body 1 and the guard plate 2, adjusting the angle of the injector body 1 in a rotating manner and adjusting the depth; a rotating assembly 27, the rotating assembly 27 is used for controlling the connection between the rod 3 and the guard plate 2; a control assembly 32, the control assembly 32 being used for controlling the fixed movable adjusting assembly 4; a needle shield assembly 40 for shielding a needle.

The movable adjusting component 4 comprises a first fixed block 5 and a first limiting plate 6 which is matched with the guard plate 2 in a rotating way, the top of the first limiting plate 6 is fixedly connected with a first fixed rod 7, the top of the first fixed rod 7 is provided with a fixed plate 8, the top of the first fixed rod 7 penetrates into the fixed plate 8, two sides of the first fixed rod 7 are fixedly connected with two limiting columns 9 which are of a symmetrical structure, the limiting columns 9 are matched with the fixed plate 8 in a rotating way, the top surface of the first fixed rod 7 is provided with a first movable groove 10, a fixed component 11 is arranged in the first movable groove 10, the top of the fixed plate 8 is fixedly connected with a limiting strip 43 which is matched with the first fixed block 5 in a sliding way, a depth adjusting component 17 is arranged in the fixed plate 8, the rotating position adjustment of the horizontal position of the fixed plate 8 is completed through the first limiting plate 6, the rotational position adjustment of the vertical position of the first fixing lever 7 and the fixing plate 8 is achieved.

Fixed subassembly 11 includes movable block 12, the first gear 13 of 12 top fixedly connected with of movable block, it has first spring 14 to articulate the cooperation between movable block 12 and the first movable groove 10, second movable groove 15 has been seted up at first gear 13 middle part, fixed plate 8 bottom is seted up and is pegged graft fixed a plurality of continuous arrangement's first draw-in groove 16 with first gear 13, and first stay cord 36 is under first spring 14's effect, and first gear 13 cooperates with 16 joint of first draw-in groove, makes movable block 12 and fixed plate 8 form stable cooperation.

The depth adjusting component 17 comprises a first rack 18, a first sliding groove 19 in sliding fit with the first rack 18 is formed in the middle of the fixing plate 8, a second spring 20 is hung and matched between the first rack 18 and the first sliding groove 19, a second gear 21 is meshed and driven at the top of the first rack 18, a first bevel gear 22 is fixedly connected to the lateral side of the second gear 21, a second bevel gear 23 is meshed and driven by the first bevel gear 22, a third gear 24 is fixedly connected to the lateral side of the second bevel gear 23, a fourth gear 25 is meshed and driven at the top of the third gear 24, the top of the fourth gear 25 penetrates through the top of the fixing plate 8, a second rack 26 meshed and driven with the fourth gear 25 is fixedly connected to the bottom of the first fixing block 5, a second pull rope 37 moves to drive the first rack 18 to move along the first sliding groove 19 to drive the second gear 21 to rotate, and the first bevel gear 22 is meshed with the second bevel gear 23, the third gear 24 drives the fourth gear 25 to rotate, and drives the second rack 26 to move, so that the first fixing block 5 moves, and the injector body 1 moves.

The runner assembly 27 includes the second fixed block 28 fixed with 2 intercommunications of backplate, second fixed

block

28 and 3 normal running fit of control lever, third movable groove 29 has been seted up at 28 middle parts of second fixed block, clearance fit has second limiting plate 30 in the third movable groove 29, it has third spring 31 to articulate the cooperation between second limiting plate 30 and the third movable groove 29, and effect through third spring 31 drives second limiting plate 30, makes second stay cord 37 cooperate fifth gear 33 to do the motion of replying.

Control assembly 32 is including inlaying two fifth gears 33 of locating 3 tip of control lever, two fifth gear 33 level and vertical position are all not corresponding, the meshing of fifth gear 33 has sixth gear 34, sixth gear 34 middle part fixedly connected with and 3 normal running fit's of control lever coil pole 35 are located upper portion the cooperation of coiling in the middle part of coil pole 35 has first stay cord 36, is located the lower part the cooperation of coiling in the middle part of coil pole 35 has second stay cord 37, first stay cord 36 passes control lever 3, second fixed block 28, third movable groove 29 in proper order, second limiting plate 30, third spring 31, backplate 2, first limiting plate 6, first fixed link 7, first movable groove 10, first spring 14 and movable block 12 are connected fixedly, second stay cord 37 passes control lever 3, second fixed block 28, third movable groove 29, second limiting plate 30 in proper order, Third spring 31, backplate 2, first limiting plate 6, first dead lever 7, first movable groove 10, first spring 14, movable block 12, first gear 13, second movable groove 15, spacing post 9, fixed plate 8, first spout 19 are connected fixedly with first rack 18, second stay cord 37 is connected fixedly with second limiting plate 30, and the fifth gear 33 is stirred respectively to the finger, and the corresponding sixth gear 34 of meshing and winding rod drive first stay cord 36 or second stay cord 37, cooperation degree of depth adjusting part 17 and the operation of fixed subassembly 11.

The syringe needle protection component 40 includes the helmet 41 with syringe body 1 threaded connection, the helmet 41 middle part is run through and is equipped with the protecting tube 42, the cooperation of pegging graft of protecting tube 42 rear side and syringe body 1, through protecting cap 41 and syringe body 1 threaded connection, during the protecting tube 42 is established again to the syringe needle cover in the syringe body 1, the inside syringe body 1 that has direction advancing mechanism of cooperation, the completion syringe needle inserts in the skin blood vessel.

The middle of the top surface of the first fixing block 5 is provided with a slot 38 which is in plug-in fit with the injector body 1, the end of the slot 38 is provided with a second clamping groove 39 which is in plug-in fit with a retainer ring at the end of the injector body 1, and the injector body 1 is stabilized through the slot 38 and the second clamping groove 39.

The limiting strips 43 are of a T-shaped structure, and the limiting strips 43 of the T-shaped structure enable the first fixing block 5 and the fixing plate 8 to be limited in the vertical and horizontal directions, so that the first fixing block 5 and the fixing plate 8 can only complete mutual position adjustment in the front-back direction.

The syringe body involved in this embodiment is a safety insulin pen needle manufactured by Hangzhou peon medical technology, Inc., see patent publication No. CN201410590229.5, and it is fully realized by those skilled in the art without needless to say that the protection of the present invention does not involve the improvement of the internal structure and method.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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.

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. An insulin needle with adjustable injection depth, comprising:

the device comprises an injector body (1), a protective plate (2) and a control rod (3) arranged on the protective plate (2);

the method is characterized in that:

the device is characterized by also comprising a movable adjusting component (4), wherein the movable adjusting component (4) is used for connecting the injector body (1) and the guard plate (2), adjusting the angle of the injector body (1) in a rotating manner and adjusting the depth;

a rotating assembly (27), the rotating assembly (27) being used for controlling the connection between the rod (3) and the guard plate (2);

a control assembly (32), the control assembly (32) being for controlling the stationary movable adjustment assembly (4);

a needle shield assembly (40) for shielding a needle.

2. The insulin needle with the adjustable injection depth as set forth in claim 1, wherein: the movable adjusting component (4) comprises a first fixed block (5) and a first limiting plate (6) which is rotationally matched with the guard plate (2), a first fixed rod (7) is fixedly connected with the top of the first limit plate (6), a fixed plate (8) is arranged at the top of the first fixed rod (7), the top of the first fixed rod (7) penetrates into the fixed plate (8), two sides of the first fixed rod (7) are fixedly connected with two limiting columns (9) in a symmetrical structure, the limiting column (9) is matched with the fixing plate (8) in a rotating way, the top surface of the first fixing rod (7) is provided with a first movable groove (10), fixed subassembly (11) are equipped with in first activity groove (10), fixed plate (8) top fixedly connected with and first fixed block (5) sliding fit's spacing strip (43), fixed plate (8) inside is equipped with degree of depth adjusting part (17).

3. The insulin needle with the adjustable injection depth as set forth in claim 2, wherein: fixed subassembly (11) are including movable block (12), the first gear (13) of movable block (12) top fixedly connected with, it has first spring (14) to articulate the cooperation between movable block (12) and first movable groove (10), second movable groove (15) have been seted up at first gear (13) middle part, fixed plate (8) bottom is seted up and is pegged graft first draw-in groove (16) of fixed a plurality of continuous arrangements with first gear (13).

4. The insulin needle with the adjustable injection depth of claim 3, wherein: the depth adjusting component (17) comprises a first rack (18), a first sliding groove (19) in sliding fit with the first rack (18) is formed in the middle of the fixing plate (8), a second spring (20) is hung and matched between the first rack (18) and the first sliding groove (19), a second gear (21) is meshed and driven at the top of the first rack (18), a first bevel gear (22) is fixedly connected to the side of the second gear (21), a second bevel gear (23) is meshed with and driven by the first bevel gear (22), a third gear (24) is fixedly connected to the side of the second bevel gear (23), the top of the third gear (24) is engaged with and driven by a fourth gear (25), the top of the fourth gear (25) penetrates out of the top surface of the fixed plate (8), the bottom of the first fixed block (5) is fixedly connected with a second rack (26) which is in meshing transmission with a fourth gear (25).

5. The needle for insulin of claim 4, wherein the injection depth is adjustable by: the runner assembly (27) include with backplate (2) fixed second fixed block (28) of intercommunication, second fixed block (28) and control lever (3) normal running fit, third movable groove (29) have been seted up at second fixed block (28) middle part, normal running fit has second limiting plate (30) in third movable groove (29), it has third spring (31) to articulate the cooperation between second limiting plate (30) and third movable groove (29).

6. The needle for insulin of claim 5, wherein the injection depth is adjustable by: the control assembly (32) comprises two fifth gears (33) embedded at the end part of the control rod (3), the horizontal positions and the vertical positions of the fifth gears (33) are not corresponding, the fifth gears (33) are meshed with a sixth gear (34), the middle part of the sixth gear (34) is fixedly connected with a winding rod (35) which is in running fit with the control rod (3), the middle part of the winding rod (35) positioned at the upper part is wound and matched with a first pull rope (36), the middle part of the winding rod (35) positioned at the lower part is wound and matched with a second pull rope (37), the first pull rope (36) sequentially penetrates through the control rod (3), a second fixed block (28), a third movable groove (29), a second limiting plate (30), a third spring (31), a guard plate (2), a first limiting plate (6), a first fixed rod (7), a first movable groove (10), a first spring (14) and a movable block (12) to be connected and fixed, the second pull rope (37) sequentially penetrates through the control rod (3), the second fixing block (28), the third movable groove (29), the second limiting plate (30), the third spring (31), the protective plate (2), the first limiting plate (6), the first fixing rod (7), the first movable groove (10), the first spring (14), the movable block (12), the first gear (13), the second movable groove (15), the limiting column (9), the fixing plate (8), the first sliding groove (19) and the first rack (18) to be connected and fixed, and the second pull rope (37) is fixedly connected with the second limiting plate (30).

7. The needle for insulin of claim 6, wherein the injection depth is adjustable by: the needle head protection assembly (40) comprises a protection cap (41) in threaded connection with the injector body (1), a protection tube (42) penetrates through the middle of the protection cap (41), and the rear side of the protection tube (42) is in plug-in fit with the injector body (1).

8. The needle for insulin of claim 7, wherein the injection depth is adjustable by: the middle of the top surface of the first fixing block (5) is provided with a slot (38) which is in plug-in fit with the injector body (1), and the end part of the slot (38) is provided with a second clamping groove (39) which is in plug-in fit with a retainer ring at the end part of the injector body (1).

9. The needle for insulin of claim 8, wherein the injection depth is adjustable by: the limiting strip (43) is of a T-shaped structure.