CN111068147A

CN111068147A - Needleless injector and method of use

Info

Publication number: CN111068147A
Application number: CN201911399630.XA
Authority: CN
Inventors: 沈沛
Original assignee: Jiangsu Wanhong Medical Equipment Co Ltd
Current assignee: Jiangsu Wanhong Medical Equipment Co Ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-04-28

Abstract

The invention provides a needleless injector and a using method thereof, and the needleless injector comprises a disposable sterile ampoule bottle, an injection pen and a reset box; a disposable sterile ampoule comprising: a bottle body, a push-pull rod, a piston head and a protection piece; two ends of the bottle body are provided with holes, and one end is provided with an injection orifice; the protective piece is provided with a through hole, the size and the shape of the through hole are matched with those of the outer wall of the bottle body, and the protective piece can be sleeved outside the bottle body when liquid medicine is injected; the injection pen is accommodated in the reset box. The invention can utilize the existing syringe production line to carry out batch production of ampoule bottles and realize automatic assembly of the push-pull rod and the bottle body, greatly improves the production efficiency, reduces the use cost of users, and simultaneously, the reset box can directly contain the injection pen in a non-pressurized state, can be easily inverted in the reset box, realizes the reset function of the injection pen, and does not need to prepare an assembly box.

Description

Needleless injector and method of use

Technical Field

The invention relates to the field of medical instruments, in particular to a needleless injector and a using method thereof.

Background

The incidence of diabetes is increasing and has become the third leading killer after cardiovascular and cerebrovascular diseases and tumors. Insulin injection therapy is currently considered to be an effective method of treating diabetes. The intensive treatment is carried out by insulin injection, so that the blood sugar, the blood fat, the blood pressure, the BMI and the like of a patient can reach the standard comprehensively. At present multi-purpose insulin pump and insulin pen come the infusion insulin, and the insulin pen that has now on the market can load a refill, contains insulin liquid medicine and dosing piston in the refill, transfers the pen to the volume of requirement during the infusion, then manual thrust unit, through the syringe needle messenger medicine liquid input human body, such infusion mode can produce the misery during the injection, and the while injection department can take place induration, red swelling or bruise blue and green.

The needleless injector uses high-pressure jet flow, and medicaments such as insulin and the like penetrate the skin to reach the subcutaneous part instantly, are dispersed and distributed under the subcutaneous part, have shorter onset time and better absorption, do not have a needle head, cannot cause harm to a patient, and are not easy to cause infection. At present, most needleless injectors on the market are used by matching a pressure supply device with a disposable sterile ampoule bottle, but the ampoule bottle is used as a disposable product, and has the disadvantages of complex structure, high price, large dosage of patients and high use cost. In addition, the existing reset box has a single function, only has one function of resetting the injection pen, if the injection pen is placed into the reset box and closed, the injection pen in the box is always in a pressurized state, the components of the injection pen are damaged, and only an assembly box can be additionally arranged for storing the injection pen.

Disclosure of Invention

The invention aims to provide a needleless injector, which solves the problem of complex structure of an ampoule bottle in the prior art, reduces the difficulty of batch production, further improves the production efficiency, reduces the use cost of a user, can directly place an injection pen in a reset box, does not need to prepare an assembly box, is convenient for the injection pen to be placed in, and is also convenient for the whole product to carry.

The technical scheme for realizing the purpose of the invention is as follows:

the needleless injector comprises a disposable sterile ampoule bottle, an injection pen and a reset box;

the disposable sterile ampoule bottle comprises:

the injection bottle comprises a bottle body, a plurality of injection holes and a plurality of injection holes, wherein two ends of the bottle body are provided with holes, and one end of the bottle body is provided with the injection hole;

one end of the push-pull rod extends into the bottle body and can move along the axial direction of the bottle body;

the piston head is arranged at one end of the push-pull rod extending into the bottle body and is in sealing fit with the inner wall of the bottle body;

the protective piece is provided with a through hole, the size and the shape of the through hole are matched with those of the outer wall of the bottle body, and the through hole can be sleeved outside the bottle body;

wherein the injection pen is accommodated in the reset box.

Further, the diameter of one end, far away from the injection spray hole, of the bottle body of the disposable sterile ampoule bottle is larger than that of one end, provided with the injection spray hole, of the bottle body.

Further, the disposable sterile ampoule bottle is provided with a groove on the outer wall of the bottle body for assembling the transfer device when in use.

Further, disposable aseptic ampoule the bottle be the PP material, protection piece is the metal material.

Further, one end of the protection piece is provided with a fixing part, and the fixing part is used for being assembled and fixed with the injection pen in use.

Furthermore, the reset box comprises a box cover, a base and a reset assembly; the box cover is rotatably connected with one end of the base; the reset assembly is arranged in the base and is used for resetting the injection pen after kinetic energy is released; the base is provided with a first groove for accommodating the injection pen.

Furthermore, a reminding device is arranged on the box cover of the reset box.

Further, the reminding device also comprises a communication module.

The use method of the needleless injector comprises the following steps:

inverting the injection pen placed in the reset box, pressurizing and resetting the injection pen by the reset box, and taking out the injection pen;

drawing the injection by using the disposable sterile ampoule bottle;

extending a push-pull rod of the disposable sterile ampoule bottle into the injection pen, sleeving the protection piece on the outer part of the bottle body, and fixing the protection piece and the injection pen;

and aligning the injection nozzle of the disposable sterile ampoule bottle to the position needing injection, and pressing the injection pen.

Further, the communication module of the reminding device on the reset box sends the usage record to the server.

By adopting the technical scheme, the invention has the following beneficial effects:

(1) the invention solves the problem of complex structure of the ampoule bottle in the prior art, has smaller and more attractive appearance, reduces the difficulty of batch production, can utilize the existing syringe production line to carry out batch production and realize the automatic assembly of the push-pull rod and the bottle body, greatly improves the production efficiency, reduces the use cost of a user, and simultaneously, the reset box can directly accommodate the injection pen in a non-pressurized state; the injection pen is turned to the placing direction, the reset function of the injection pen can be easily realized, an assembly box is not required to be prepared, the injection pen is convenient to load, and the whole product is convenient to carry.

(2) The groove is formed in the outer wall of the bottle body, so that the transfer device can be quickly connected and disconnected, and the installation is convenient.

(3) The bottle body is made of PP materials, the production cost is lower, the protection piece is made of metal materials, and the bottle body needs to bear high pressure instantly in the injection process, so that the pressure resistance of the bottle body can be improved by using the protection sleeve made of metal materials.

(4) The protective piece is provided with the fixing part, can be assembled and fixed with the injection pen and limits the position of the protective piece, is convenient to use, and can limit the position of a safety device in the injection pen to prevent misoperation caused by the fact that the ampoule bottle cannot be installed at the right position.

(5) The reminding device is arranged on the box cover, so that the time for injecting the liquid medicine can be set, a patient can be reminded to inject the liquid medicine on time, forgetfulness is prevented, the date and time can be inquired conveniently, the time display mode is switched according to the use habit, and the reminding sound is provided at the whole point.

(6) The invention is also provided with a communication module for sending the use record condition to the background, which is convenient for monitoring the use condition of the patient.

Drawings

In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which:

fig. 1 is a schematic structural diagram of a disposable sterile ampoule bottle of the invention.

Fig. 2 is a schematic structural diagram of the injection pen of the present invention.

Fig. 3 is a schematic view of the installation of the injection pen and the disposable sterile ampoule bottle of the present invention.

Fig. 4 is a schematic structural diagram of the reduction box of the present invention.

FIG. 5 is an enlarged view of a portion of the groove of the bottle body according to the present invention.

Fig. 6 is a front view of the reminder device of the present invention.

Fig. 7 is a bottom view of the reminder device of the present invention.

Fig. 8 is a use state diagram of the present invention.

The reference numbers in the drawings are:

a bottle body 1, an injection orifice 1-1 and a bottle body groove 1-2;

a push-pull rod 2;

a piston head 3;

a protection piece 4, a through hole 4-1 and a limiting mechanism 4-2;

the fuse protector comprises a fuse protector component 5, an outer fuse protector 5-1, an inner fuse protector 5-2, a boss 5-2-1 and a silica gel pad 5-3;

an injection button 6 and an avoidance groove 6-1;

a box cover 7;

a base 8 and a first groove 8-1;

the reset component 9, the pressure lever seat 9-1, the second groove 9-1-1 and the pressure lever 9-2;

the reminding device 10, the box body 10-1, the display screen 10-2, the circuit board 10-3, the battery 10-4, the display screen dust cover 10-5 and the function keys 10-6.

Detailed Description

(example 1)

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships that are usually placed when the product of the present invention is used, or orientations or positional relationships that are conventionally understood by those skilled in the art, which are used for convenience of description and simplicity of description, but do not indicate or imply that the equipment or element in question must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

(example 1)

The needleless injector shown in fig. 1 to 4 comprises: a disposable sterile ampoule, see fig. 1; injection pen, see fig. 2 and 3; the reset box, see fig. 4;

a disposable sterile ampoule as shown in fig. 1, comprising: bottle 1, push-pull rod 2, piston head 3 and protection 4.

The bottle body 1 is made of PP materials, the production cost is lower, two ends are provided with holes, and one end is provided with an injection hole 1-1; the diameter of one end of the bottle body 1 far away from the injection orifice 1-1 is larger than that of one end provided with the injection orifice 1-1; the outer wall of the front section close to the injection orifice 1-1 is in a 6% Ruhr outer conical shape, is matched with the protection piece 4, and can be tightly matched with the transfer device, so that the sealing property is better; as shown in fig. 5, the outer wall of the bottle body 1 is provided with a bottle body groove 1-2 for assembling the transfer device when in use, and the transfer device can be quickly connected and disconnected, so that the installation is convenient. The outer surface of the bottle body 1 is provided with scales, so that the volume of the absorbed liquid medicine can be accurately controlled.

One end of the push-pull rod 2 extends into the bottle body 1 and can move along the axial direction of the bottle body 1.

The piston head 3 is arranged at one end of the push-pull rod 2 extending into the bottle body 1 and is in sealing fit with the inner wall of the bottle body 1.

Since the bottle body 1 is required to instantaneously bear a high pressure during the injection process, the protecting member 4 of the present embodiment is made of a metal material, so as to increase the pressure resistance of the bottle body. The protective piece 4 is provided with a through hole 4-1, the size and the shape of the through hole 4-1 are matched with the size and the shape of the outer wall of the bottle body 1, and the through hole can be sleeved outside the bottle body 1; the outer wall of one end of the protection piece 4 is provided with external threads for being assembled and fixed with an injection pen during use, and the outer wall of the protection piece 4 is also provided with anti-skid lines for increasing friction force and facilitating installation and removal; the protection member 4 is further provided with a limiting mechanism 4-2 for limiting the position of the protection member 4 which is assembled and fixed with the injection pen when in use.

As shown in figures 2 and 3, the front end of the injection pen is provided with a safety device assembly 5 and an injection button 6, and the safety device assembly 5 comprises an outer safety device 5-1, an inner safety device 5-2 and a silicon rubber pad 5-3. The outer safety device 5-1 is sleeved on the inner safety device 5-2. The inner safety device 5-2 is sleeved at the front end of the pen holder of the injection pen. The silica gel pad 5-3 is arranged between the inner safety device 5-2 and the pen holder, the front end of the silica gel pad 5-3 props against the step on the inner wall of the inner safety device 5-2, and the rear end of the silica gel pad 5-3 props against the step on the outer peripheral surface of the pen holder. When the outer safety device 5-1 slides to the lower part of the injection button 6, the injection pen can be prevented from being triggered. When the injection pen is carried, the injection pen is directly placed in the reset box shown in fig. 4 according to the direction shown in fig. 2, and when the injection pen is pressurized, the injection pen is taken out and placed in the reset box shown in fig. 4 upside down.

As shown in figure 3, an avoiding groove 6-1 is arranged on the lower end face of an injection button 6, a boss 5-2-1 matched with the avoiding groove 6-1 on the injection button 6 is arranged at the right end of an inner safety device 5-2, and when a protection piece 4 is not installed, the boss 5-2-1 is staggered with the avoiding groove 6-1 under the action of the elastic force of a rubber pad 5-3, so that the disposable sterile ampoule bottle cannot be triggered even if the outer safety device 5-1 is opened.

When the protection piece 4 is installed, the limiting mechanism 4-2 presses the inner safety device 5-2 to enable the inner safety device 5-2 to overcome the elasticity of the silica gel pad 5-3 to translate rightwards, after the protection piece 4 is installed in place, the inner safety device 5-2 just moves to the end position, at the moment, the outer safety device 5-1 is pulled leftwards, the boss 5-2-1 corresponds to the avoiding groove 6-1 of the injection button 6 in position, and the injection button 6 is pressed to complete injection. The structural design enables the injection pen to be provided with double-layer safety, and misoperation can be thoroughly avoided.

The reset box shown in fig. 4 comprises a box cover 7, a base 8, a reset assembly 9 and a reminding device 10; one end of the box cover 7 is rotatably connected with one end of the base 8; the reset component 9 is arranged in the base 8 and is used for pressurization reset after the kinetic energy of the injection pen of the needleless injector is released; the reminding device 10 is arranged on the box cover 7.

The base 8 is provided with a first recess 8-1 for receiving an injection pen of a needleless injector. The reset box is closed, and the injection pen in a non-pressurized state can be directly accommodated; the injection pen reset box is opened, the injection pen placing direction is turned by 180 degrees, the reset box is closed again, the reset function of the injection pen can be easily realized, the assembly box does not need to be prepared, the injection pen is convenient to be loaded, and the whole product is convenient to carry.

The reset assembly 9 comprises a pressure rod seat 9-1 and a pressure rod 9-2 which are arranged on the base 8; the pressure lever 9-2 is used for pressurizing an injection pen of the needleless injector; one end of the pressure bar seat 9-1, which is close to the pressure bar 9-2, is provided with a second groove 9-1-1, and the shape and the size of the second groove 9-1-1 are matched with the injection pen of the needleless injector and used for placing the tail end of the injection pen of the needleless injector, so that the injection pen is stably placed, and the injection pen is prevented from falling from the box and damaging injection pen parts.

As shown in FIGS. 6 and 7, the reminder device 10 includes a box body 10-1, a display screen 10-2, a circuit board 10-3, a battery 10-4, a display screen dust cover 10-5 and a function key 10-6. The box body 10-1 and the box cover 7 are detachably mounted in a buckling and clamping groove mode, so that the box body 10-1 is convenient to assemble and disassemble, and reminding device parts are maintained and replaced; the display screen 10-2 is arranged on the box body 10-1, can visually display time, date and relevant information of the injection liquid medicine, and is convenient to use; the circuit board 10-3 and the battery 10-4 are both arranged in the box body 10-1; the circuit board 10-3 comprises a clock circuit and a communication module, wherein the communication module can be a Bluetooth module and is used for sending the use record condition to the background and receiving background information through a mobile phone APP, so that the use condition of a patient can be monitored and inquired conveniently; the battery 10-4 is a button battery and supplies power for the display screen 10-2 and a circuit on the circuit board 10-3; the display screen dustproof cover 10-5 is used for protecting the display screen from abrasion; the function key 10-6 can set the time for injecting the liquid medicine and switch different display functions. The reminding device 10 has an alarm clock reminding function, is convenient for reminding a patient to inject liquid medicine on time and prevent forgetting, has a date inquiring function and a 24H/12H time display mode switching function, can be convenient for the patient to switch time display modes and inquire date and time according to use habits, has a closable time reporting function at a certain point, and meets the use habits of different people.

The method of use of example 1 is specifically illustrated below by the injection of insulin:

1. inverting the injection pen placed in the reset box, closing the reset box, and pressurizing and resetting the injection pen by the reset box;

2. the shifter is arranged on the bottle body groove 1-2 of the bottle body 1 and is completely matched with the front section of the bottle body 1, the push-pull rod 2 is pulled to suck the liquid medicine, and the shifter is taken down;

3. taking out the reset injection pen from the reset box, extending the push-pull rod 2 of the disposable sterile ampoule bottle with the liquid medicine into the injection pen, sleeving the protection piece 4 outside the bottle body 1, and installing the protection piece 4 at the front end of the injection pen through threaded connection.

4. As shown in figure 8, the injection spray hole 1-1 of the disposable sterile ampoule bottle is aligned to the position to be injected, the safety device 5 is pulled downwards, when the safety device 5 is pulled down to the position of the limiting mechanism 4-2, the injection button 6 is pressed, the injection pen can be effectively excited to prevent misoperation, at the moment, the liquid medicine is sprayed out from the injection spray hole 1-1 to form a superfine liquid column, instantly penetrates through the skin to reach the subcutaneous part to be sprayed and dispersed, the liquid medicine is absorbed more quickly and takes effect quickly, and the insulin secretion mode under the physiological state of a human body is closer to.

The ampoule bottle reset box solves the problem that an ampoule bottle in the prior art is complex in structure, is smaller and more attractive in appearance, reduces the difficulty of batch production, can be used for batch production by utilizing the existing syringe production line and realizing automatic assembly of a push-pull rod and a bottle body, greatly improves the production efficiency, reduces the use cost of a user, and can directly accommodate an injection pen in a non-pressurized state; the injection pen is turned to the placing direction, the reset function of the injection pen can be easily realized, an assembly box is not required to be prepared, the injection pen is convenient to load, and the whole product is convenient to carry.

(example 2)

The embodiment 2 has basically the same structure and function as the embodiment 1, except that the battery 10-4 adopted by the reminding device 10 is a rechargeable battery, so that the reminding device is more environment-friendly and convenient to use.

(example 3)

The structure and the function of the embodiment 3 are basically the same as those of the embodiment 1, and the difference is that the display screen 10-2 of the reminding device 10 has a touch screen function, the function key 10-6 is cancelled, and the appearance is more attractive and elegant.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The needleless injector comprises a disposable sterile ampoule bottle, an injection pen and a reset box; the method is characterized in that:

the disposable sterile ampoule bottle comprises:

wherein the injection pen is accommodated in the reset box.

2. The needle free injector of claim 1, wherein:

the diameter of one end, far away from the injection orifice, of the bottle body of the disposable sterile ampoule bottle is larger than that of one end provided with the injection orifice.

3. The needle free injector of claim 1, wherein:

the disposable sterile ampoule bottle is characterized in that a bottle body groove is formed in the outer wall of the bottle body and used for assembling a transfer device during use.

4. The needle free injector of claim 1, wherein:

the bottle body of the disposable sterile ampoule bottle is made of PP materials, and the protection piece is made of metal materials.

5. The needle free injector of claim 1, wherein:

one end of the protection piece is provided with a fixing part which is used for being assembled and fixed with the injection pen when in use.

6. The needle free injector of claim 1, wherein:

the reset box comprises a box cover, a base and a reset assembly; the box cover is rotatably connected with one end of the base; the reset assembly is arranged in the base and is used for resetting the injection pen after kinetic energy is released; the base is provided with a first groove for accommodating the injection pen.

7. The needle free injector of claim 6, wherein:

the box cover of the reset box is provided with a reminding device.

8. The needle free injector of claim 7, wherein:

the reminding device further comprises a communication module.

9. Method of use of a needleless injector according to one of the claims 1 to 8, characterized in that:

drawing the injection by using the disposable sterile ampoule bottle;

10. The method of using a needleless injector as in claim 9 wherein:

and sending the use record to a server by a communication module of the reminding device on the reset box.