CN112933343A

CN112933343A - Insulin pen

Info

Publication number: CN112933343A
Application number: CN202110370568.2A
Authority: CN
Inventors: 吴道爱
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-07
Filing date: 2021-04-07
Publication date: 2021-06-11

Abstract

The invention provides an insulin pen which comprises a shell, wherein a spiral propelling mechanism is arranged inside the shell, a pen rack mechanism is clamped at one end, away from a metering adjusting knob, of the shell, a pen core is movably arranged inside the pen rack mechanism, a piston is connected inside the pen core in a sliding mode, a spiral push rod which is connected with the piston in an attaching mode is arranged at the end part of the spiral propelling mechanism, an injection needle mechanism is connected to the end part of the pen rack mechanism in a threaded mode, a pen cap is further sleeved on the surface of the pen rack mechanism, a heat exchange coil is embedded in the inner wall of the pen cap, a heat conducting fin which is attached to the heat exchange coil is further installed on the inner wall of the pen cap, and radiating fins which are matched with the heat conducting fin are embedded on the. This insulin pen structural design is simple reasonable, and convenient operation, the preservation insulin that can be better makes things convenient for the dismouting to change, and safety and stability, application scope is wide, is favorable to promoting and popularizing.

Description

Insulin pen

Technical Field

The invention relates to the technical field of insulin pens, in particular to an insulin pen.

Background

Insulin is a protein hormone secreted by the beta cells of the islets of langerhans in the pancreas stimulated by endogenous or exogenous substances such as glucose, lactose, ribose, arginine, glucagon, etc. Insulin is the only hormone in the body which reduces blood sugar and promotes the synthesis of glycogen, fat and protein. Exogenous insulin is mainly used for treating diabetes.

In order to facilitate people who go out to be on schedule accurate injection insulin, insulin pen more and more obtains people's extensive acceptance, the optimal save temperature of insulin is at 10-25 degrees centigrade, but current insulin pen most function is fixed, can not realize keeping warm the storage to insulin, can influence the result of use of insulin when outdoor temperature is higher in summer, current insulin pen fixed structure simultaneously, and the dismouting of being not convenient for, thereby when leading to insulin inner structure to damage, can only change insulin pen, manufacturing cost has been increased.

Disclosure of Invention

The present invention is directed to an insulin pen to solve the above problems of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an insulin pen, which comprises an outer shell, the internally mounted of shell has spiral advancing mechanism, and spiral advancing mechanism's one end stretches out the shell and installs measurement adjust knob, the one end joint that measurement adjust knob was kept away from to the shell has a penholder mechanism, and the inside movable mounting of penholder mechanism has the refill, the inside sliding connection of refill has the piston, and spiral advancing mechanism's tip is equipped with the screw rod who is connected with the piston laminating, the tip threaded connection of penholder mechanism has syringe needle mechanism, and the surface of penholder mechanism has still cup jointed the cap, the inner wall of cap inlays and is equipped with heat transfer coil, and the inner wall of cap still installs the conducting strip with the laminating of heat transfer coil, the surface mosaic of penholder mechanism has with conducting strip matched with radiating fin.

As a preferred technical scheme of the invention, the shell is formed by clamping two groups of semicircular clamping plates, the surfaces of the clamping plates, which are positioned at the two sides of the opening, are respectively provided with a buckling plate and a convex block which are matched with each other, the two sides of the opening of the clamping plates are also respectively provided with a joggle groove and a joggle block which are matched with each other, the end part of the spiral propelling mechanism, which is positioned at the outer side of the metering adjusting knob, is also provided with an injection button, and one end of the surface of the clamping plate is provided with a window matched with the metering adjusting.

As a preferred technical scheme of the invention, a convex ring is arranged at the joint of the pen rack mechanism and the shell, a convex plate is further arranged on the surface of one end of the pen rack mechanism, a baffle matched with the convex plate is arranged on the inner surface of the joint of the shell and the pen rack mechanism, and an observation port is further arranged between the heat dissipation fins on the surface of the pen rack mechanism.

According to a preferable technical scheme, the injection needle mechanism comprises a nut, a thread groove matched with the nut is formed in the end portion of the pen rack mechanism, a fixing column is integrally arranged inside the nut, an injection needle with one end extending into the pen core penetrates through the inside of the fixing column, a needle cap is movably sleeved at one end, away from the pen core, of the fixing column, an annular sliding groove is formed in one end, away from the pen rack mechanism, of the nut, an annular pulling plate is connected inside the sliding groove in a sliding mode, a limiting column is arranged at one end of the pulling plate, a limiting cavity communicated with the sliding groove is further formed in the surface of the nut, positioning grooves are formed in two ends of the limiting cavity, and the limiting column extends out of the limiting cavity and corresponds to the shape and size of.

According to a preferable technical scheme, a limiting groove is formed in the inner surface of the joint of the pen cap and the pen rack mechanism, a limiting block matched with the limiting groove is arranged on the surface of the pen rack mechanism, a groove is formed in the end portion of the pen cap, an inlet and an outlet of the heat exchange coil extend into the groove, a sealing plug is arranged in the groove, an end cover is movably clamped at the notch of the groove, and a pen cap clamp is further integrally arranged at one end of the surface of the pen cap.

Compared with the prior art, the invention provides an insulin pen, which has the following beneficial effects:

1. the insulin pen is formed by clamping and connecting two groups of clamping plates through the shell, so that the shell is convenient to disassemble and assemble, the spiral propelling mechanism in the shell is disassembled and assembled and replaced, and the later maintenance, part replacement and other operations of the insulin pen are better realized;

2. according to the insulin pen, the heat radiating fins on the pen rack mechanism are matched with the heat conducting fins connected with the heat exchange coil pipe in the pen cap, so that when ice crystals or other cooling liquid is filled into the heat exchange coil pipe, the insulin in the pen core can be cooled, and the insulin can be stored in a better use temperature range when the pen is carried out in hot summer;

3. this insulin pen through the pull board that sliding connection can accomodate on the nut to can protect the syringe needle, when preventing that syringe needle atress from warping, can also prevent that the syringe needle from pricking the finger after the needle cap is got rid of, improve the security of using.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

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

FIG. 2 is a plan sectional view of the present invention;

FIG. 3 is a schematic structural view of a pen rack mechanism according to the present invention;

fig. 4 is a cross-sectional view of the needle mechanism of the present invention;

fig. 5 is a schematic structural view of the needle mechanism of the present invention;

FIG. 6 is a side sectional view of the housing of the present invention;

FIG. 7 is an enlarged view taken at A of FIG. 2 according to the present invention.

In the figure: 1. a housing; 101. a window; 102. buckling the plate; 103. a bump; 104. a splint; 105. a mortise and tenon joint groove; 106. a joggling block; 107. a baffle plate; 2. a screw propulsion mechanism; 3. a screw push rod; 4. a metering adjustment knob; 5. an injection button; 6. a pen rack mechanism; 601. a viewing port; 602. a thread groove; 603. a convex ring; 604. a convex plate; 605. a limiting block; 7. a pen core; 8. a piston; 9. a heat dissipating fin; 10. an injection needle mechanism; 1001. a nut; 1002. fixing a column; 1003. an injection needle; 1004. a chute; 1005. a drawing plate; 1006. a limiting column; 1007. a limiting cavity; 1008. positioning a groove; 11. a needle cap; 12. a pen cap; 1201. a limiting groove; 13. a heat conductive sheet; 14. a pen cap clip; 15. a groove; 16. a heat exchange coil; 17. and (4) end covers.

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.

Fig. 1-2 show a schematic structural diagram of an insulin pen according to the present invention. This insulin pen includes shell 1, the internally mounted of shell 1 has spiral advancing mechanism 2, and the one end of spiral advancing mechanism 2 stretches out shell 1 and installs measurement adjust knob 4, the one end joint that measurement adjust knob 4 was kept away from to shell 1 has pen rack mechanism 6, and the inside movable mounting of pen rack mechanism 6 has refill 7, the inside sliding connection of refill 7 has piston 8, and the tip of spiral advancing mechanism 2 is equipped with the screw rod 3 of being connected with the laminating of piston 8, the tip threaded connection of pen rack mechanism 6 has syringe needle mechanism 10, and pen rack mechanism 6's surface has still cup jointed cap 12, the inner wall of pen cap 12 inlays and is equipped with heat transfer coil pipe 16, and the inner wall of pen cap coil pipe 12 still installs the conducting strip 13 with the laminating of heat transfer coil pipe 16, pen rack mechanism 6's surface mosaic has radiating fin 9 with conducting strip 13 matched with.

Exemplarily, as shown in fig. 1 and 6, the housing 1 is composed of two sets of semicircular arc-shaped clamping plates 104, the surfaces of the clamping plates 104 are located on the two sides of the opening and are respectively provided with a clamping plate 102 and a convex block 103 which are matched with each other, the two sides of the opening of the clamping plates 104 are respectively provided with a joggle groove 105 and a joggle block 106 which are matched with each other, the end of the screw propulsion mechanism 2 is located on the outer side of the metering adjusting knob 4 and is further provided with an injection button 5, and one end of the surface of the clamping plate 104 is provided with a window 101 which is matched with the metering adjusting knob 4.

Illustratively, as shown in fig. 3 and 7, a convex ring 603 is provided at the joint of the pen holder mechanism 6 and the housing 1, a convex plate 604 is further provided on one end surface of the pen holder mechanism 6, a baffle 107 matched with the convex plate 604 is provided on the inner surface of the joint of the housing 1 and the pen holder mechanism 6, and a viewing port 601 is further provided between the heat dissipation fins 9 on the surface of the pen holder mechanism 6.

Illustratively, as shown in fig. 3-5, the injection needle mechanism 10 includes a nut 1001, a thread groove 602 matching with the nut 1001 is provided at an end of the pen holder mechanism 6, a fixing column 1002 is integrally provided inside the nut 1001, an injection needle 1003 with one end extending into the pen refill 7 is inserted into the fixing column 1002, a needle cap 11 is movably sleeved at one end of the fixing column 1002 far away from the pen refill 7, an annular sliding groove 1004 is provided at one end of the nut 1001 far away from the pen holder mechanism 6, an annular drawing plate 1005 is slidably connected inside the sliding groove 1004, a limiting column 1006 is provided at one end of the drawing plate 1005, a limiting cavity 1007 communicating with the sliding groove 1004 is further provided on a surface of the nut 1001, positioning grooves 1008 are provided at two ends of the limiting cavity 1007, and the shape of the limiting column extending out of the limiting cavity 1006 corresponds to the shape of the positioning groove 1008.

For example, as shown in fig. 1-3 and 7, a limiting groove 1201 is formed in an inner surface of a joint of the pen cap 12 and the pen holder mechanism 6, a limiting block 605 matched with the limiting groove 1201 is formed in the surface of the pen holder mechanism 6, a groove 15 is formed in an end portion of the pen cap 12, an inlet and an outlet of the heat exchange coil 16 extend into the groove 15, a sealing plug is arranged in the groove 15, an end cover 17 is movably clamped at a notch of the groove 15, and a pen cap clip 14 is integrally formed at one end of the surface of the pen cap 12.

Illustratively, as shown in fig. 1-7, the insulin pen of the embodiment of the present invention works as follows: firstly, a refill 7 filled with insulin is arranged in a pen rack mechanism 6, then the pen rack mechanism 6 is clamped at the end part of a shell 1, a spiral pushing mechanism 2 and an injection button 5 are adjusted to enable a spiral pushing rod 3 to abut against a piston 8 in the refill 7, then an injection needle mechanism 10 is arranged at the end part of the pen rack mechanism 6, an injection needle 1003 in the injection needle mechanism 10 extends into the refill 7, then a pen cap 12 is sleeved on the outer surface of the pen rack mechanism 6, an end cover 17 at the end part of the pen cap 12 is opened, ice crystals or other refrigerating fluid is injected into a heat exchange coil 16, the insulin in the refill 7 can be cooled under the action of a heat conducting sheet 13 and a radiating fin 9, the insulin can be kept in a better use temperature range when the pen is carried out in hot summer, a drawing plate 1005 capable of being contained is connected on a screw cap 1001 in a sliding mode, and the injection needle 1003 can be protected when the drawing plate 1005 is drawn out, prevent syringe needle 1003 atress deformation in, syringe needle 1003 punctures the finger after can also preventing needle cap 11 to get rid of, the security of use improves, the spout 1004 on pull board 1005 income nut 1001, can expose syringe needle 1003, carry out the insulin injection, shell 1 utilizes buckle 102 and lug 103 joint to constitute for two sets of splint 104, thereby be convenient for shell 1's dismouting, the realization carries out the dismouting change to the screw propulsion mechanism 2 in the shell 1, better realization the maintenance and the operations such as change part of this insulin pen later stage.

It should be noted that, in this document, terms such as "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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 pen, comprising a housing (1), characterized in that: the utility model discloses a pen rack, including shell (1), the internally mounted of shell (1) has spiral advancing mechanism (2), and the one end of spiral advancing mechanism (2) stretches out shell (1) and installs measurement adjust knob (4), the one end joint that measurement adjust knob (4) were kept away from in shell (1) has pen rack mechanism (6), and the inside movable mounting of pen rack mechanism (6) has refill (7), the inside sliding connection of refill (7) has piston (8), and the tip of spiral advancing mechanism (2) is equipped with screw rod (3) of being connected with piston (8) laminating, the tip threaded connection of pen rack mechanism (6) has syringe needle mechanism (10), and pen rack mechanism's (6) surface has still cup jointed pen cap (12), the inner wall of pen cap (12) is inlayed and is equipped with heat exchange coil (16), and the inner wall of pen cap (12) still installs heat conduction piece (13) of laminating with heat exchange coil (16), and heat radiating fins (9) matched with the heat conducting fins (13) are embedded on the surface of the pen rack mechanism (6).

2. An insulin pen according to claim 1, characterized in that: the utility model discloses a measurement adjusting knob, including shell (1), splint (104) joint, the surface of splint (104) is located the opening both sides and is equipped with matched with each other buckle (102) and lug (103) respectively, the opening both sides of splint (104) still are equipped with matched with each other joggle groove (105) and joggle piece (106) respectively, injection button (5) are still installed in the outside that the tip of screw propulsion mechanism (2) is located measurement adjusting knob (4), the surperficial one end of splint (104) is equipped with and measures adjusting knob (4) matched with window (101).

3. An insulin pen according to claim 1, characterized in that: the pen rack mechanism is characterized in that a protruding ring (603) is arranged at the joint of the pen rack mechanism (6) and the shell (1), a protruding plate (604) is further arranged on one end surface of the pen rack mechanism (6), a baffle (107) matched with the protruding plate (604) is arranged on the inner surface of the joint of the shell (1) and the pen rack mechanism (6), and an observation port (601) is further arranged between the heat dissipation fins (9) on the surface of the pen rack mechanism (6).

4. An insulin pen according to claim 3, characterized in that: the injection needle mechanism (10) comprises a screw cap (1001), a thread groove (602) matched with the screw cap (1001) is arranged at the end part of the pen rack mechanism (6), a fixing column (1002) is integrally arranged inside the screw cap (1001), an injection needle (1003) with one end extending into the refill (7) is inserted into the fixing column (1002), a needle cap (11) is movably sleeved at one end of the fixing column (1002) far away from the pen core (7), an annular sliding groove (1004) is arranged at one end of the screw cap (1001) far away from the pen rack mechanism (6), and the inside of the sliding chute (1004) is connected with an annular drawing plate (1005) in a sliding way, one end of the drawing plate (1005) is provided with a limit column (1006), and the surface of the screw cap (1001) is also provided with a limit cavity (1007) communicated with the sliding groove (1004), two ends of the limit cavity (1007) are provided with positioning grooves (1008), and the limiting column (1006) extends out of the limiting cavity (1007) and corresponds to the positioning groove (1008) in shape and size.

5. An insulin pen according to claim 1, characterized in that: the internal surface of pen cap (12) and pen rack mechanism (6) junction is equipped with spacing groove (1201), and the surface of pen rack mechanism (6) be equipped with spacing groove (1201) matched with stopper (605), the tip of pen cap (12) is equipped with recess (15), and the exit of heat exchange coil (16) all stretches into and is equipped with the sealing plug in recess (15), the movable joint of notch department of recess (15) has end cover (17), the surperficial one end of pen cap (12) still the integral type is equipped with pen cap clamp (14).