CN106691845B

CN106691845B - Paste quantifying device

Info

Publication number: CN106691845B
Application number: CN201510436046.2A
Authority: CN
Inventors: 董东生; 邹勇; 宋玲玲; 王永敏
Original assignee: Beijing Winsunny Harmony Science And Technology Co ltd
Current assignee: Beijing Winsunny Harmony Science And Technology Co ltd
Priority date: 2015-07-22
Filing date: 2015-07-22
Publication date: 2023-11-03
Anticipated expiration: 2035-07-22
Also published as: CN106691845A

Abstract

The invention provides a paste quantifying device, which comprises a paste container and a shell, wherein the shell is arranged outside the paste container, a pressing part on the shell acts on the paste container, the paste container comprises a storage part, an extrusion part and a conveying part, a deformation area which is easy to deform is arranged on the storage part, the extrusion part is communicated with the storage part, an outlet and an extrusion area which can elastically deform are arranged on the extrusion part, an output port is arranged at the top end of the conveying part, an input port is arranged at the bottom end of the conveying part, the input port is communicated with the outlet of the extrusion part, the elastic recovery capacity of the extrusion area of the extrusion part is greater than the elastic recovery capacity of the deformation area of the storage part, and the circumference of the inner edge of the output port of the conveying part and/or the circumference of the inner edge of the transverse section of the conveying part adjacent to the extrusion part are/is smaller than the maximum circumference of the inner edge of the transverse section of the extrusion part.

Description

Paste quantifying device

Technical Field

The invention relates to a paste quantitative device, in particular to a viscous fluid quantitative extrusion device, and belongs to the technical field of medical appliances.

Background

The traditional viscous fluid packaging mode mainly adopts a bottle or a hose to be packaged, when the viscous fluid packaging mode is used, the cover is required to be opened, and the viscous fluid in the package can be contacted with air in a large area by extruding the viscous fluid by hands or taking the viscous fluid by special tools, so that the viscous fluid is oxidized or degenerated, and the extruding amount of the viscous fluid can not be effectively controlled due to uncontrollable extruding force of hands, so that accurate quantitative extruding of the viscous fluid can not be realized. In addition, when the flexible tube is squeezed to enable the viscous fluid to be directly smeared on the lesion site, discomfort and even injury of the lesion site are easily caused due to the fact that the smearing part contacted with the lesion site on the flexible tube is harder.

In order to realize quantitative extrusion of viscous fluid, chinese patent number 201210522906.0 proposes a novel packing box, which comprises a packing box main body and a pipe, wherein an outer side check valve and an inner side check valve are arranged inside the pipe, and the outer side check valve is opened, the inner side check valve is closed and fluid flows out by pressing the pipe. Releasing the pressing on the pipe, closing the outside one-way valve, opening the inside one-way valve, and allowing fluid to flow into the pipe to finish one-time extrusion material taking operation. The device realizes quantitative extrusion of fluid and has the technical effect of preventing the fluid from being polluted by microorganisms, but the device can quantitatively extrude the fluid only by arranging two one-way valves in the pipe, so that the device has complex structure, complex processing technology and higher manufacturing cost.

Chinese patent number 201010545502.4 proposes an implantable intraocular quantitative drug injection pump, comprising a drug guide tube, a drug adding bag and a drug storage bag, wherein the drug adding bag is provided with a one-way valve I and a one-way valve II, the one-way valve I comprises a valve cover and a spring, the valve cover of the one-way valve I is pushed open by pressing the drug adding bag, the spring is compressed, and the liquid medicine is extruded. Releasing the pressing of the medicine adding bag, closing the one-way valve I, opening the one-way valve II, and supplementing the medicine liquid in the medicine storing bag into the medicine adding bag. The device is equipped with the charge mouth with liquid replenishment to the medicine storage bag, has realized the technological effect that liquid ration extruded, but the device just can quantitatively extrude liquid just need set up two check valves equally, and device self structure is complicated, and processing technology is loaded down with trivial details, and manufacturing cost is higher.

Chinese patent No. 200480011415.3 proposes a constant-volume discharge container comprising a container body and a pressing member, wherein an outflow resistance part is provided at an outlet of the container body, and the outflow resistance part is formed of a fine mesh member. The device is deformed by squeezing the container body, so that the fluid is squeezed out, and the outflow resistance part adjusts the squeezing amount of the internal substance. The device needs the resistance that the manual regulation outflow resistance portion produced, then adjusts extrusion volume through the outflow resistance portion, makes the liquid that the staff probably touches many times, uses comparatively inconvenient on the one hand, causes the pollution to liquid on the other hand.

Chinese patent No. 20180007584. X proposes an oral care fluid delivery system, including a handle, a neck, a head and a reservoir, wherein a bladder is provided in the reservoir, a pump is provided on the handle, a first check valve is provided between the bladder and the pump, a second check valve is provided between the head and the pump, the reservoir is required to be screwed and attached to the handle before use, the pump is manually actuated to fill, in the filling process, the manual actuation pump cannot completely discharge air in the pump, resulting in fluid in the pump being polluted by air contact, in addition, fluid used last time remains in the manual actuation pump, and fluid crossover is easily caused when the reservoir is connected again. The device is provided with a plurality of one-way valves, the whole structure is complex, and the use process is also more complicated.

In order to solve the above-mentioned defect of current viscous fluid ration extrusion device, need to design a whole simple structure, and can avoid viscous fluid to pollute by outside air, convenient to use's lotion ration extrusion device.

Disclosure of Invention

The invention provides a paste quantitative device, wherein a paste container in the device is disposable consumable, the whole structure is simple, the manufacture is convenient, the function of quantitative extrusion of viscous fluid is realized, the residual quantity of the viscous fluid in the container is effectively reduced, and the viscous fluid can be prevented from being polluted by outside air; the paste quantifying device is arranged outside the paste container, and is used for assisting the paste container to quantitatively extrude viscous fluid, and the extrusion amount of the viscous fluid of the paste container can be adjusted.

To achieve the above object, a paste container for storing and quantitatively extruding a viscous fluid, comprising: the storage part is hollow in the storage part and is provided with an inner cavity, and at least one part of the storage part is provided with a deformation area which is easy to deform; the extrusion part is provided with an outlet, the interior of the extrusion part is hollow and is provided with an extrusion part inner cavity, the extrusion part inner cavity is communicated with the storage part inner cavity, and at least one part of the extrusion part is provided with an extrusion area capable of elastically deforming; the conveying part is hollow in the conveying part and is a conveying part inner cavity, an output port is arranged at the top end of the conveying part, an input port is arranged at the bottom end of the conveying part, the input port is communicated with an extrusion part outlet, and the output port is open to the outside; the elastic recovery capacity of the extrusion area of the extrusion part is larger than that of the deformation area of the storage part, the circumference of the inner edge of the output port of the conveying part and/or the circumference of the inner edge of the transverse cross section of the conveying part adjacent to the extrusion part is smaller than that of the maximum circumference of the inner edge of the transverse cross section of the extrusion part adjacent to the conveying part, when external force acts on the extrusion area of the extrusion part, the extrusion area deforms towards the center direction of the inner cavity of the extrusion part, viscous fluid in the inner cavity of the extrusion part is extruded from the output port through the outlet, and part of viscous fluid enters the inner cavity of the storage part; when the external force is withdrawn, the extrusion area of the extrusion part is restored to the original state by utilizing the elasticity of the extrusion part, the inner cavity of the extrusion part forms negative pressure, the deformation area of the storage part deforms towards the center direction of the inner cavity of the storage part under the action of the negative pressure, and viscous fluid in the inner cavity of the storage part enters the inner cavity of the extrusion part. The elastic deformation means that the extrusion area of the extrusion part deforms at the relative positions of all points of the extrusion area under the action of external force, and the extrusion area is restored to the original state by utilizing the elasticity of the extrusion area after the external force is removed. The elastic restoring ability is the ability to restore the original state by utilizing the self elasticity. The viscosity of the viscous fluid is between 5Pa.s and 500Pa.s, and the extrusion effect of 60Pa.s is most suitable. In order to effectively prevent the viscous fluid from flowing back into the interior of the delivery portion, the delivery portion outlet has an inner diameter of between 0.5mm and 2.5mm, preferably 1.5mm. The average wall thickness of the extrusion area of the extrusion part is larger than that of the deformation area of the storage part, the average wall thickness of the extrusion area of the extrusion part is between 0.5mm and 5mm, and the average wall thickness of the deformation area of the storage part is between 0.1mm and 2 mm. The Shore hardness of the material of the extrusion area, the material of the deformation area and the material of the conveying part is between 30 degrees and 60 degrees, and the Shore hardness of the material of the extrusion area is more than or equal to the Shore hardness of the material of the deformation area.

The conveying part is in a cylindrical shape, or is in a hollow square column shape, or is in a hollow inner cross section in a special-shaped shape, and the shape of the extruding part is also one of the shapes, when the circumference of the inner edge of the output port of the conveying part is smaller than the maximum circumference of the inner edge of the transverse cross section of the extruding part, or the circumference of the inner edge of the transverse cross section of the conveying part adjacent to the extruding part is smaller than the maximum circumference of the inner edge of the transverse cross section of the extruding part adjacent to the conveying part, the hydraulic radius calculation formula is consulted, and according to the principle that the viscous fluid resistance is increased after the circumference of the inner edge is reduced, the viscous fluid is not easy to flow back when flowing towards the output port, and because the force required by extrusion is manually controlled, the size can be automatically regulated, and the prevention of the viscous fluid backflow is the most critical.

Specifically, the storage part, the extrusion part and the conveying part can be made of rubber materials through vulcanization, can be made of plastic materials or thermoplastic elastomer materials through injection molding, can be integrally formed, can be made of the storage part, the extrusion part and the conveying part independently, and are integrally connected through threaded connection, medical adhesive bonding, ultrasonic welding or the like. Of course, the deformation area of the storage part can be made of film-shaped flexible materials, and the extrusion area of the extrusion part can be made of rubber materials through vulcanization or made of thermoplastic elastomer materials through injection molding.

The delivery part plays a role in guiding and delivering the viscous fluid, especially for patients with local administration of the eyes, and can directly deliver the viscous fluid to the lesion. In order to avoid cross infection and ensure the safe and sanitary use of the device, the paste container is a disposable consumable, before the use, the paste container is pre-filled with viscous fluid, when the extrusion area of the extrusion part is extruded by external force to the center of the cavity of the extrusion part, the space of the cavity of the extrusion part is reduced, the viscous fluid in the cavity of the extrusion part enters the cavity of the conveying part through the outlet, and finally is quantitatively extruded from the outlet, and part of viscous fluid enters the cavity of the storage part; after the external force is withdrawn, the elastic recovery capacity of the extrusion area of the extrusion part is larger than that of the deformation area of the storage part, the extrusion area of the extrusion part is restored to the original state by using the self elasticity, when the extrusion area of the extrusion part is restored to the original state, the inner cavity of the extrusion part forms negative pressure, the deformation area of the storage part is sunken towards the inner cavity of the storage part under the action of the negative pressure, viscous fluid in the inner cavity of the storage part is sucked into the inner cavity of the extrusion part, and the process of supplementing the viscous fluid to the inner cavity of the extrusion part is completed. In addition, the perimeter of the inner edge of the delivery outlet of the delivery part and/or the perimeter of the inner edge of the transverse cross section of the delivery part adjacent to the extrusion part is smaller than the maximum perimeter of the inner edge of the transverse cross section of the extrusion part adjacent to the delivery part, so that the viscous fluid in the inner cavity of the delivery part is effectively prevented from flowing back into the inner cavity of the extrusion part under the action of negative pressure.

The perimeter of the inner edge of the inner cavity of the conveying part is gradually reduced along the central axis to the output port, so that the perimeter of the inner edge of the output port of the conveying part is smaller than that of the inner edge of the inner cavity of the conveying part, and viscous fluid extruded out of the output port of the conveying part is effectively prevented from flowing back into the inner cavity of the conveying part under the action of negative pressure.

In another scheme, the at least one section of conveying part is recessed towards the center of the conveying part inner cavity, the circumference of the inner edge of the conveying part inner cavity is smaller than the average circumference of the inner edge of the conveying part inner cavity, and viscous fluid extruded out of an output port of the conveying part is effectively prevented from flowing back into the conveying part inner cavity under the action of negative pressure.

The conveying part is provided with an adjusting part which is positioned at the inner cavity and/or the output port of the conveying part, the adjusting part is provided with at least one through channel, the viscous fluid passes through the inside of the adjusting part and contacts with the inner wall of the channel of the adjusting part, and the contact area between the inner wall of the channel of the adjusting part and the viscous fluid can be adjusted. The adjusting part is connected with the conveying part in a threaded sealing connection mode, a tight fit connection mode, a medical adhesive bonding mode or the like, at least one through channel is arranged in the longitudinal direction of the adjusting part, the longitudinal length of the channel is not less than 5mm, the adhesive area of the viscous fluid is increased through the channel, and the viscous fluid in the inner cavity of the conveying part is effectively prevented from flowing back into the inner cavity of the extruding part under the action of negative pressure. In addition, the contact area between the inner walls of the channels of the regulating component and the viscous fluid is regulated by regulating the number of the channels and the length of the channels, so that the viscous fluid in the inner cavity of the conveying part can be effectively prevented from flowing back into the inner cavity of the extruding part under the action of negative pressure.

The average wall thickness of the extrusion area of the extrusion part is larger than that of the deformation area of the storage part. On the premise of not changing the material of the extrusion area and the material of the deformation area, only the wall thickness of the extrusion area and the wall thickness of the deformation area are changed, so that the elastic recovery capacity of the extrusion area of the extrusion part is larger than that of the deformation area of the storage part, and the negative pressure is formed in the inner cavity of the extrusion part.

The inner wall of the at least one section of conveying part is provided with a rough layer, and the rough layer increases the friction force between the inner wall of the conveying part and the viscous fluid. The rough layer is a protruding structure and/or a concave structure arranged on the inner wall of the conveying part, and can be made by rough treatment on the surface of the inner wall of the conveying part, so that the adhesive force between the viscous fluid and the inner wall of the conveying part is increased by the rough layer, and the viscous fluid in the inner cavity of the conveying part is effectively prevented from flowing back into the inner cavity of the extrusion part under the action of negative pressure.

The inner wall of the conveying part is provided with a resistance bulge which is one or more of wool, floccule, sheet, strip, thorn and wedge, and the resistance bulge extends from the inner wall of the conveying part to the eccentric output port of the inner cavity of the conveying part. The resistance bulge extends from the inner wall of the conveying part to the direction of the inner cavity of the conveying part in a bulge mode, the tail end of the bulge extends to point to the direction of the output port, the resistance bulge is soft and easy to deform, and when viscous fluid is extruded from the output port to the output port, the resistance bulge is extruded by the viscous fluid and is attached to the inner wall of the conveying part, so that the viscous fluid is extruded smoothly; when the viscous fluid is refluxed under the action of negative pressure, the resistance bulge is restored to the original state by utilizing the elasticity of the resistance bulge, and the refluxed viscous fluid is pushed to be vertical to the inner wall of the conveying part, so that the extruded viscous fluid is effectively prevented from being refluxed into the inner cavity of the conveying part.

The container also comprises a smearing part, wherein the interior of the smearing part is hollow, an inner cavity of the smearing part is formed in the inner cavity, a smearing opening is formed in the top end of the smearing part, a connecting opening is formed in the bottom end of the smearing part, and the connecting opening of the smearing part is connected with the output opening of the conveying part in a sealing mode. The smearing part can be made of rubber materials through vulcanization or made of thermoplastic elastomer materials through injection molding, and the connecting mode of the smearing part connecting port and the conveying part output port can be one of inverted buckle connection, threaded connection, adhesive bonding and ultrasonic welding. The hardness of the smearing port is the same as that of the lesion part, discomfort and even damage to the lesion part caused by viscous fluid during smearing are avoided, and the smearing part is a detachable disposable consumable, so that the safety and the sanitation of the smearing part are ensured, and cross infection is avoided. The coating opening of the coating part can be made into different specifications and is conformal with the pathological change part, which is helpful for the coating part to extend into the pathological change part and fully and uniformly coat viscous fluid on the pathological change part. The cap body is arranged on the smearing port of the smearing part and/or the delivery outlet of the delivery part, the cap body can be made of rubber materials through vulcanization or plastic materials through injection molding, the cap body is in sealing connection with the smearing port of the smearing part, the cap body not only prevents viscous fluid in the paste container from contacting with outside air, but also can assist the smearing part to be arranged on the delivery outlet.

The container also includes a rigid support member conformably wrapped around the outer wall of the container except in the region of the pinch portion. The supporting part can be integrally formed, can be formed by involution of two parts and is made of plastic materials by injection molding and used for supporting or fixing the paste container, and the paste container except for the extrusion area of the extrusion part is prevented from being extruded and deformed by external force.

The storage part is provided with a filling opening, the filling opening is provided with a sealing cap for sealing the outside, the filling opening is communicated with the inner cavity of the storage part, and viscous fluid enters the inner cavity of the storage part through the filling opening. The filling port is favorable for adding viscous fluid into the inner cavity of the storage part, the sealing cap is made of thermoplastic elastomer materials through injection molding, and the sealing cap is in threaded sealing connection or tight fit connection with the filling port.

In order to achieve the above object, the present invention further provides a paste dosing device comprising a pressing member and the paste container, wherein the pressing member is located on the pressing region of the pressing portion, an external force acts on the pressing region of the pressing portion through the pressing member, the pressing region is deformed, the external force is removed, the pressing region of the pressing portion is restored to its original shape by its own elasticity, and the deformation amount of the pressing region of the pressing portion is controlled by adjusting the area and/or the pressing depth of the pressing member acting on the pressing region of the pressing portion, so that the amount of the viscous fluid extruded from the paste container is indirectly controlled. The pressing part can be a part of the extrusion part, which protrudes outwards, of the outer surface of the extrusion area, or can be an independent part and is fixedly connected with the extrusion area of the extrusion part, scales are marked on the pressing part, and the pressing part adjusts the extrusion depth acting on the extrusion area of the extrusion part through the scales to indirectly control the quantity of the extruded viscous fluid of the paste container. The pressing part can be made into different specifications, and the extrusion amount of the viscous fluid is more accurate by changing the pressing part to adjust the area acting on the extrusion area of the extrusion part. The pressing part acts on the extrusion area of the extrusion part through the external force extrusion, so that the extrusion area is sunken towards the center of the inner cavity of the extrusion part, the space of the inner cavity of the extrusion part is reduced, viscous fluid in the inner cavity of the extrusion part enters the inner cavity of the conveying part through the outlet and finally is extruded from the output port, and when the external force is withdrawn, the extrusion area of the extrusion part is restored to the original state by utilizing the elasticity of the extrusion part.

The paste quantifying device further comprises a shell with an external contour which is in shape of a human hand, wherein the shell is hollow to accommodate the paste container, a through hole is formed in the top end of the shell, and at least one part of conveying part extends out through the through hole. The shell comprises a shell and two shells, an opening and closing structure which is convenient for the shell to open or close is arranged between the shell and the two shells, a containing groove for installing the pressing part is arranged on the shell, a convex guide rib is arranged on the surface of the inner wall of the shell, the guide rib is matched with the paste container supporting part, and the paste container is fixed at the position inside the shell.

The top end of the shell is provided with a mirror, and the mirror is connected with a telescopic shaft for adjusting the angle and/or the height. The mirror is mainly aimed at users who use drugs locally on eyes, the height and the angle of the mirror can be adjusted by the users, the positions of multiple angles which are needed to be observed are observed, and viscous fluid is accurately smeared on a lesion part through the mirror.

The beneficial effects are that:

the invention provides a paste container, which is characterized in that an external force is applied to an extrusion area of an extrusion part, so that viscous fluid in an inner cavity of the extrusion part is extruded from an output port through an outlet, on one hand, the accurate quantitative extrusion of the viscous fluid is controlled, on the other hand, the residual quantity of the viscous fluid in the container is reduced, and the paste container is not provided with a one-way valve in the structural design and is easy to process and manufacture; the container has the technical effects of facilitating quantitative use of the viscous fluid by changing the circumferences of the inner edges of the conveying part and the extruding part and setting different elastic recovery capacities so that the viscous fluid is continuously extruded, omitting the complex structure of the one-way valve.

The smearing part on the container is conformal with the pathological change part, which is beneficial to the smearing part to extend into the pathological change part and smear viscous fluid to the pathological change part fully and uniformly, the smearing part is disposable consumable, so that cross infection of users is avoided, and safety and sanitation of the device are ensured; in addition, the smearing part is made of the material with the same hardness as the pathological change part, so that discomfort and even damage to the pathological change part caused by viscous fluid during smearing are avoided.

The invention also provides a paste quantifying device, wherein the top end of the shell is provided with the mirror, a user can adjust the height and the angle of the mirror, observe the positions of multiple angles when the device is used, and accurately smear viscous fluid to a lesion part through the mirror.

Drawings

FIG. 1 is a schematic diagram 1 showing the perspective structure of a paste container according to the invention;

FIG. 2 is a schematic diagram 1 showing the sectional structure of a paste container according to the invention;

FIG. 3 is a schematic drawing of a cut-away structure of a paste container of the present invention 2;

FIG. 4 is a schematic drawing of a cut-away structure of a paste container of the present invention, shown in FIG. 3;

FIG. 5 is a schematic view of the cut-away structure of the paste container of the invention 4;

fig. 6 is a schematic diagram 5 showing the sectional structure of the paste container of the present invention;

FIG. 7 is a schematic view of a three-dimensional partially cut-away structure of the paste container of the present invention;

Fig. 8 is a schematic view of a partially cut-away structure of a paste container of the present invention 1;

fig. 9 is a schematic view of a partially cut-away structure of a paste container according to the invention 2;

fig. 10 is a schematic diagram 2 showing the perspective structure of a paste container according to the invention;

FIG. 11 is a schematic view showing a sectional structure of a pressing member of the paste dosing apparatus of the present invention;

FIG. 12 is a schematic view showing a three-dimensional exploded structure of the paste quantifying device according to the present invention;

FIG. 13 is a schematic perspective view of a paste quantifying device according to the invention;

fig. 14 is a schematic structural view of the usage state of the paste quantifying device according to the invention;

fig. 15 is a schematic view showing the structure of the paste dosing device in a partially opened state;

fig. 16 is a schematic view of a partial cut-away structure of a paste dosing device of the present invention 1;

fig. 17 is a schematic view of a partially cut-away structure of a paste dosing apparatus of the present invention 2;

fig. 18 is a schematic view showing a partial structure of a pressing member of the paste dosing apparatus of the present invention;

in the figure: 1. storage portion, 11, storage portion cavity, 12, deformation area, 13, filling opening, 131, sealing cap, 2, squeeze portion, 21, outlet, 22, squeeze portion cavity, 23, squeeze area, 24, central axis, 25, adjustment member, 251, channel, 26, rough layer, 27, maximum perimeter of squeeze portion transverse cross section inner edge adjacent to delivery portion, 3, delivery portion, 31, delivery portion cavity, 32, delivery port, 33, input port, 34, securing member, 35, delivery port inner edge perimeter, 36, perimeter of delivery portion transverse cross section inner edge adjacent to squeeze portion, 4, resistance bulge, 41, wool, 42, floe, 43, sheet, 44, strip, 45, spike, 46, wedge, 5, applicator member, 51, applicator portion cavity. 52, coating ports 521, caps 53, connectors, 6, pressing members 61, pressing caps, 611, connecting rods, 6111, graduations, 6112, pressing heads, 612, arrows, 62, gaskets, 63, return springs, 64, tabs, 65, connecting members, 651, stop, 6511, apertures, 7, support members, 71, front housing, 72, rear housing, 8, housing, 81, through holes, 82, one housing, 821, receiving slots, 8211, slots 8212, dials, 83, two housings, 84, opening and closing structure, 85, guide ribs, 86, contact surfaces, 861, locating apertures, 87, indicating arrows, 88, hinges, 89, latches, 9, mirrors, 91, telescoping shafts, 911, spherical universal joints, 912, spherical housings, 10, paste containers.

Detailed Description

Example 1:

as shown in fig. 1 and 4, a paste container is used for storing viscous fluid and quantitatively extruding the viscous fluid, the viscosity of the viscous fluid is 500pa.s, the paste container 10 comprises a storage part 1, an extrusion part 2 and a conveying part 3, the storage part 1 is in a hollow capsule shape, the hollow inside of the storage part 1 is a storage part inner cavity 11, a deformation area 12 easy to deform is arranged on the storage part 1, the extrusion part 2 is in a column shape with two open ends in the hollow inside, an outlet 21 is arranged on the extrusion part 2, the hollow inside of the extrusion part 2 is an extrusion part inner cavity 22, the storage part inner cavity 11 is communicated with the extrusion part inner cavity 22, an elastically deformable extrusion area 23 is arranged on the extrusion part 2, the conveying part 3 is in a column shape with two open ends in the hollow inside, the hollow inside of the conveying part 3 is a conveying part inner cavity 31, the top end of the conveying part 3 is provided with an output port 32, the output port 32 is open to the outside, the bottom end is provided with an input port 33, and the input port 33 is in sealing connection with the outlet 21 of the extrusion part 2. The extrusion area 23 is a part of the extrusion part 2, the deformation area 12 is a part of the storage part 1, and the storage part 1, the extrusion part 2 and the conveying part 3 are integrally formed by vulcanizing medical-grade silicone rubber materials with the Shore hardness of 40 degrees. The average wall thickness of the extrusion area 23 is 1.2mm, the average wall thickness of the deformation area 12 is 0.3mm, the average wall thickness of the extrusion area 23 is larger than the average wall thickness of the deformation area 12, and the elastic recovery capacity of the extrusion area 23 of the extrusion part 2 is larger than the elastic recovery capacity of the deformation area 12 of the storage part 1.

As shown in fig. 4, the storage part 1 is provided with a filling opening 13, the filling opening 13 is communicated with the inner cavity 11 of the storage part, the filling opening 13 is helpful for adding viscous fluid into the inner cavity 11 of the storage part, in addition, the filling opening 13 is provided with a sealing cap 131 for sealing, the sealing cap 131 is made of medical silicone rubber material through vulcanization, and the sealing cap 131 is in threaded sealing connection with the filling opening 13. The inner wall of the conveying part 3 is provided with a rough layer 26, the rough layer 26 is of a point-shaped structure protruding from the inner wall of the conveying part 3, the rough layer 26 increases friction between the inner wall of the conveying part 3 and viscous fluid, and backflow of the viscous fluid into the inner cavity 31 of the conveying part is effectively prevented. The perimeter 35 of the inner edge of the delivery outlet of the delivery part 3 and the perimeter 36 of the inner edge of the transverse cross section of the delivery part adjacent to the extrusion part are smaller than the maximum perimeter 27 of the inner edge of the transverse cross section of the extrusion part adjacent to the delivery part, the inner diameter of the delivery outlet 32 of the delivery part 3 is 1.5mm, the extrusion of viscous fluid is facilitated, the backflow of the viscous fluid into the inner cavity 31 of the delivery part is effectively prevented, the delivery part 3 plays a role in guiding and delivering the viscous fluid, and particularly, the viscous fluid can be directly delivered to a lesion part for patients with local application of the eyes. Before use, the paste container 10 is pre-filled with viscous fluid, when the extrusion area 23 of the extrusion part 2 is extruded by external force to the center of the extrusion part inner cavity 22, the space of the extrusion part inner cavity 22 is reduced, the viscous fluid in the extrusion part inner cavity 22 is extruded from the output port 32 through the output port 21, part of the viscous fluid enters the storage part inner cavity 11, after the external force is removed, the elastic restoring capability of the extrusion area 23 of the extrusion part 2 is larger than the elastic restoring capability of the deformation area 12 of the storage part 1, the extrusion area 23 of the extrusion part 2 is restored to the original state by self elasticity, during the restoration of the extrusion area 23 of the extrusion part 2, the extrusion part inner cavity 22 forms negative pressure, the deformation area 12 of the storage part 1 is recessed to the center of the storage part inner cavity 11 under the action of the negative pressure, the viscous fluid in the storage part inner cavity 11 is sucked into the extrusion part inner cavity 22, and the circumference 35 of the inner edge of the delivery part 3 and the circumference 36 of the inner edge of the transverse section of the delivery part adjacent to the transmission part is smaller than the maximum circumference 27 of the transverse section of the extrusion part of the transmission part, so that the viscous fluid in the storage part inner cavity 31 is effectively prevented from flowing back into the extrusion part inner cavity 22 under the action of the negative pressure. According to the principle that the viscous fluid resistance becomes large after the inner circumference becomes small, the viscous fluid is not easy to flow back when flowing towards the output port 32, the force required during extrusion is manually controlled, the self-regulation becomes large, and the prevention of the viscous fluid from flowing back is the most critical.

As shown in fig. 7, the conveying part 3 is provided with an adjusting part 25, the adjusting part 25 is located in the conveying part cavity 31, the connecting mode of the adjusting part 25 and the conveying part 3 is bonded by adopting medical adhesive, the longitudinal direction of the adjusting part 25 is provided with a plurality of through channels 251, the longitudinal length of each channel 251 is 5mm, viscous fluid is contacted with the inner wall of each channel 251 of the adjusting part 25, the adhesion area of the viscous fluid is increased, and the viscous fluid in the conveying part cavity 31 is effectively prevented from flowing back into the extrusion part cavity 22 under the action of negative pressure. The passage 251 of the regulating member 25 has a cylindrical cross section, so that the extruded viscous fluid is also cylindrical, which contributes to the penetration of the viscous fluid into the lesion and the sufficient application of the viscous fluid to the lesion.

As shown in fig. 8, the inner wall of the conveying part 3 is provided with a resistance protrusion 4, the resistance protrusion 4 is in a wool shape 41, a flocculent 42, a sheet shape 43, a strip shape 44, a thorn shape 45 and a wedge shape 46, the resistance protrusion 4 is an extension of the inner wall of the conveying part 3 towards the direction of the output port 32 of the conveying part inner cavity 31, the resistance protrusion 4 and the conveying part 3 are integrally formed, the resistance protrusion 4 is soft and easy to deform, when viscous fluid is extruded from the outlet 21 towards the direction of the output port 32, the resistance protrusion 4 is extruded by the viscous fluid and is attached to the inner wall of the conveying part 3, and when the viscous fluid is reflowed under the action of negative pressure, the resistance protrusion 4 is restored to the original shape by self elasticity, and the viscous fluid is prevented from reflowing into the extruding part inner cavity 22.

As shown in fig. 9, the container is further provided with an application member 5, the interior of the application member 5 is hollow and is provided with an application portion inner cavity 51, the top end of the application member 5 is provided with an application port 52, the bottom end is provided with a connection port 53, and the application port 52 is hermetically covered by a cap 521. The connector 53 of the smearing part 5 is in reverse-buckling sealing connection with the output port 32 of the conveying part 3, the smearing part 5 is vulcanized by using medical-grade silicone rubber material with the Shore hardness of 20 degrees, discomfort and even damage to lesion parts caused by viscous fluid during smearing are avoided, the smearing part 5 is divided into different specifications and can be conformed to the lesion parts, the smearing part 5 is facilitated to stretch into the lesion parts, the viscous fluid is fully and uniformly smeared to the lesion parts, the smearing part 5 is a disposable consumable material which can be replaced, the safety and the sanitation of the smearing part 5 are ensured, and cross infection is avoided. The cap 521 is made of polypropylene material by injection molding, the cap 521 is in snap-in sealing connection with the coating opening 52 of the coating member 5, the cap 521 not only prevents the viscous fluid in the paste container 10 from contacting the outside, but also assists the coating member 5 to be mounted on the output opening 32 of the delivery unit 3.

As shown in fig. 10, the outside of the container is provided with a supporting component 7 made of hard material, the supporting component 7 wraps the outer wall of the paste container 10 except the extrusion area 23 of the extrusion part 2, the inner wall of the supporting component 7 is in shape with the outer wall of the paste container 10, the supporting component 7 comprises a front shell 71 and a rear shell 72, the front shell 71 and the rear shell 72 are connected through a buckle, the supporting component 7 is made of polypropylene material by injection molding, and the supporting component is used for supporting or fixing the paste container 10 and preventing the paste container 10 from being extruded and deformed by external force under the unexpected condition.

In another case, as shown in fig. 2, the inner wall of the input port 33 of the conveying part 3 protrudes toward the center of the conveying part cavity 31, the inner diameter of the input port 33 is smaller than 1.5mm, so that the circumference 36 of the inner edge of the transverse cross section of the conveying part adjacent to the extruding part is smaller than the maximum circumference 27 of the inner edge of the transverse cross section of the extruding part adjacent to the conveying part, and in this case, the viscous fluid in the conveying part cavity 31 can be effectively prevented from flowing back into the extruding part cavity 22 under the action of the negative pressure of the extruding part cavity 22.

As shown in fig. 3, the inner wall of the output port 32 of the conveying part 3 protrudes toward the center of the inner cavity 31 of the conveying part, the inner diameter of the output port 32 is smaller than 1.5mm, and the circumference 35 of the inner edge of the output port of the conveying part 3 is smaller than the maximum circumference 27 of the transverse cross section of the extrusion part adjacent to the conveying part, in this case, the viscous fluid extruded from the output port 32 can be effectively prevented from flowing back into the inner cavity 31 of the conveying part under the action of the negative pressure of the inner cavity 22 of the extrusion part.

As shown in fig. 5, the circumference of the inner edge of the inner cavity 31 of the conveying part gradually decreases along the central axis 24 toward the output port 32, the inner diameter of the inner cavity 31 of the conveying part is 1.5mm, and the output port 32 gradually decreases to 0.5 mm.

As shown in fig. 6, the conveying part 3 near the output port 32 is recessed toward the center of the conveying part cavity 31, the inner diameter of the conveying part cavity 31 is 1.5mm, the inner diameter of the recessed area of the conveying part 3 toward the center of the conveying part cavity 31 is 0.5mm, and the smaller diameter can prevent the viscous fluid extruded from the output port 32 from flowing back, in particular, the viscous fluid extruded from the output port 32 from flowing back into the conveying part cavity 31 under the negative pressure of the extruding part cavity 22.

Example 2:

as shown in fig. 11, a paste dosing device comprises a paste container 10, wherein the paste container 10 is used for storing viscous fluid and dosing and extruding the viscous fluid, the viscosity of the viscous fluid is 5pa.s, a pressing part 6 is further arranged outside a pressing area 23 of a pressing part 2 for conveniently pressing the pressing part 2, the pressing part 6 comprises a pressing cap 61, a gasket 62, a return spring 63 and a connecting part 65, one end of the pressing cap 61 is a connecting rod 611, the part of the connecting rod 611 contacted with the pressing area 23 of the pressing part 2 is a pressing head 6112, the other end of the pressing cap 61 is connected with a gasket 62 suitable for human hand contact, the pressing cap 61 is made of polypropylene material and acrylonitrile-butadiene-styrene copolymer material through mixed injection molding, and the gasket 62 is made of soft and comfortable silicon rubber material through vulcanization; in order to ensure that the pressing head 6112 of the pressing cap 61 accurately presses the pressing region 23 of the pressing portion 2, a connecting part 65 is arranged between the pressing part 6 and the pressing region 23 of the pressing portion 2, the connecting part 65 is made of polypropylene material by injection molding, is in a hollow tubular shape, one end of the connecting part 65 is fixedly connected with the pressing region 23 of the pressing portion 2, the other end of the connecting part is movably connected with the pressing cap 61, specifically, the pressing cap 61 is embedded or sleeved on the connecting part 65, a limiting part 651 is arranged in the radial direction inside the connecting part 65, a hole 6511 is arranged in the center of the limiting part 651, and part of the pressing cap 61 is positioned outside the connecting part 65; one end of the return spring 63 is in contact with the pressing cap 61, the other end is in contact with the connecting member 65, and the connecting rod 611 passes through the return spring 63 and the hole 6511 of the limiting portion 651, so that the pressing head 6112 can press the pressing region 23 of the pressing portion 2.

The pressing member 6 moves back and forth in the vertical direction of the pressing region 23 of the pressing portion 2, when an external force acts on the pressing cap 61 of the pressing member 6, the pressing cap 61 pushes the return spring 63 to compress and deform, the pressing head 6112 on the pressing cap 61 acts on the pressing region 23 of the pressing portion 2 to enable the pressing region 23 to be concave towards the center of the inner cavity 22 of the pressing portion, the space of the inner cavity 22 of the pressing portion is reduced, and viscous fluid in the inner cavity 22 of the pressing portion is extruded from the output port 32 through the outlet 21, so that one-time quantitative extrusion of the viscous fluid is completed; when the external force is removed, the return spring 63 returns to its original position by its own elasticity, and removes the external force applied by the pressing head 6112 to the pressing area 23 of the pressing portion 2, and the pressing area 23 of the pressing portion 2 returns to its original state by its own elasticity. The area of the pressing head 6112 of the pressing cap 61 acting on the pressing area 23 of the pressing portion 2 can be adjusted, and the pressing depth can be actively adjusted according to the pressing depth of the pressing cap 61.

Example 3:

as shown in fig. 1, fig. 4, fig. 12, fig. 13 and fig. 14, a paste dosing device comprises a paste container 10, wherein the paste container 10 is used for storing viscous fluid, the viscosity of the viscous fluid is 60pa.s, the paste dosing device comprises a storage part 1, an extrusion part 2 and a conveying part 3, the storage part 1 is in a hollow capsule shape, the hollow inside of the storage part 1 is a storage part inner cavity 11, a deformation area 12 easy to deform is arranged on the storage part 1, the extrusion part 2 is in a columnar shape with two open ends in the hollow inside, an outlet 21 is arranged on the extrusion part 2, the hollow inside of the extrusion part 2 is an extrusion part inner cavity 22, the storage part inner cavity 11 is communicated with the extrusion part inner cavity 22, an elastically deformable extrusion area 23 is arranged on the extrusion part 2, the conveying part 3 is in a columnar shape with two open ends in the hollow inside, the conveying part 3 is provided with an output port 32 at the top end, the output port 32 is open to the outside, the bottom end is provided with an input port 33, and the input port 33 is in sealing connection with the outlet 21 of the extrusion part 2. The extrusion area 22 is a part of the extrusion part 2, the deformation area 12 is a part of the storage part 1, and the storage part 1, the extrusion part 2 and the conveying part 3 are integrally manufactured by vulcanizing medical-grade silicone rubber materials with the Shore hardness of 40 degrees. The viscosity of the viscous fluid is 60pa.s, the average wall thickness of the pressing area 23 is 1.2mm, the average wall thickness of the deformation area 12 is 0.3mm, and the average wall thickness of the pressing area 23 is larger than the average wall thickness of the deformation area 12, so that the elastic recovery capacity of the pressing area 23 of the pressing portion 2 is larger than the elastic recovery capacity of the deformation area 12 of the storage portion 1.

As shown in fig. 4, the storage part 1 is provided with a filling opening 13, the filling opening 13 is communicated with the inner cavity 11 of the storage part, the filling opening 13 is used for adding viscous fluid into the inner cavity 11 of the storage part, the filling opening 13 is provided with a sealing cap 131 sealed outwards, the sealing cap 131 is made of medical silicone rubber material through vulcanization, and the sealing cap 131 is in threaded sealing connection with the filling opening 13.

The perimeter 35 of the inner edge of the delivery outlet of the delivery part 3 and the perimeter 36 of the inner edge of the transverse cross section of the delivery part adjacent to the extrusion part are smaller than the maximum perimeter 27 of the inner edge of the transverse cross section of the extrusion part adjacent to the delivery part, the inner diameter of the delivery outlet 32 of the delivery part 3 is 1.5mm, the structure design is favorable for extruding viscous fluid, the backflow of the viscous fluid into the inner cavity 22 of the extrusion part is effectively prevented, the delivery part 3 plays a role in guiding and delivering the viscous fluid, and particularly, the viscous fluid can be directly delivered to a lesion part for patients with local administration of the eyes. Before use, the paste container 10 is pre-filled with viscous fluid, when the extrusion area 23 of the extrusion part 2 is extruded by external force to the center of the extrusion part inner cavity 22, the space of the extrusion part inner cavity 22 is reduced, the viscous fluid in the extrusion part inner cavity 22 enters the conveying part inner cavity 31 through the outlet 21 and finally is extruded from the output port 32, part of viscous fluid flows back into the storage part inner cavity 11, after the external force is removed, the elastic recovery capacity of the extrusion part 2 extrusion area 23 is larger than the elastic recovery capacity of the deformation area 12 of the storage part 1, the extrusion part 2 extrusion area 23 is restored by self elasticity, when the extrusion part 2 extrusion area 23 is restored to the original state, the extrusion part inner cavity 22 forms negative pressure, the deformation area 12 of the storage part 1 is recessed to the center of the storage part inner cavity 11 under the action of the negative pressure, and the viscous fluid in the storage part inner cavity 11 is sucked into the extrusion part inner cavity 22.

As shown in fig. 10, 12, 13, 14 and 15, the paste quantifying device further comprises a casing 8, the casing 8 is wrapped outside the supporting member 7 of the paste container 10, the external contour of the casing 8 is shaped to fit with a human hand, so as to be held by the human hand, the casing 8 is made of a polypropylene material and an acrylonitrile-butadiene-styrene copolymer material by mixing and injection molding, a through hole 81 is formed in the top end of the casing 8, the conveying part 3 extends out of the through hole 81, a fixing member 34 is arranged between the conveying part 3 and the through hole 81 for fixing the conveying part 3 and preventing the conveying part 3 from being extruded and deformed by force, the fixing member 34 is attached to the outer wall of the conveying part 3 and fixed on the through hole 81, and the fixing member 34 is made of a polypropylene material and an acrylonitrile-butadiene-styrene copolymer material by mixing and injection molding. The shell 8 comprises a shell 82 and two shells 83, an opening and closing structure 84 is arranged between the shell 82 and the two shells 83, the opening and closing structure 84 comprises a positioning hole 861 arranged on a contact surface 86 of the shell 82 and the two shells 83, a magnet and an iron block are arranged in the positioning hole 861, the opening and closing structure 84 controls the opening and closing of the shell 82 and the two shells 83 through mutual attraction of the magnet and the iron block, and the magnet and the iron block facilitate the opening and closing of the shell 8 to replace the paste container 10. The guiding ribs 85 are arranged on the inner wall of the two shells 83, the guiding ribs 85 are outwards protruding parts of the inner wall surface of the two shells 83, the guiding ribs 85 and the supporting parts 7 are mutually in snap fit, the guiding and positioning effects on the paste container 10 are achieved, and the paste container 10 is convenient to install and take out. The mirror 9 is arranged at the top end of the two shells 83, a telescopic shaft 91 is arranged at one end of the mirror 9 in an extending mode, a spherical universal joint 911 is arranged at the tail end of the telescopic shaft 91, the spherical shell 912 is fixedly connected with the two shells 83, the mirror 9 is movably connected with the two shells 83 by means of the spherical universal joint 911 and the spherical shell 912, the mirror can rotate by 360 degrees by taking the spherical universal joint 911 as a base point, the telescopic shaft 91 can be extended or shortened, as shown in fig. 14, a user can adjust the angle and the height of the mirror 9, and viscous fluid is accurately smeared on a lesion part, especially a human eye lesion part through the mirror 9.

As shown in fig. 12 and 16, the housing 82 is provided with a receiving groove 821 for receiving the pressing member 6, and a notch 8211 is provided in the center of the receiving groove 821. The pressing member 6 is provided with a connecting rod 611 on the pressing cap 61, the connecting rod 611 is provided with a pressing head 6112, the pressing cap 61 is mostly located outside a shell 82, one end of the return spring 63 contacts with the pressing cap 61, the other end contacts with a housing groove 821 of the shell 82, and the connecting rod 611 passes through the return spring 63 and a notch 8211 of the housing groove 821. The pressing member 6 is provided with a blocking piece 64 for preventing the link 611 from being withdrawn from the accommodation groove 821, the blocking piece 64 being located between a housing 82 and the pressing head 6112, and limiting the position of the pressing head 6112 within the accommodation groove 821. As shown in fig. 16, the pressing member 6 presses the cap 61, the link 611 is provided with a scale 6111, the scale 6111 of the link 611 indicates the distance of displacement of the pressing member 6 in the vertical direction of the pressing region 23 of the pressing portion 2, the amount of the viscous fluid that is squeezed is indirectly adjusted, and when an external force acts on the pressing member 6 to press the cap 61, the depth of the pressing member 6 pressing the pressing region 23 of the pressing portion 2 is adjusted by the scale 6111 of the link 611, so that the deformation amount of the pressing region 23 of the pressing portion 2 is changed, and the amount of the viscous fluid that is squeezed is indirectly adjusted.

In another case, as shown in fig. 15, an opening and closing structure 84 is disposed between the first shell 82 and the second shell 83, the bottom ends of the first shell 82 and the second shell 83 are provided with an opening and closing indication arrow 87, the opening and closing structure 84 is formed by connecting the first shell 82 and the second shell 83 with each other through a hinge 88, and of course, a locking member 89 is further disposed at an opposite end of the hinge 88 for fixing the first shell 82 and the second shell 83 to be closed.

In another case, as shown in fig. 17 and 18, the pressing member 6 is adjustably connected with the pressing cap 61 and the connecting rod 611 through threads, an arrow 612 is provided on the outer surface of the pressing cap 61, a dial 8212 is provided on the circumferential edge of the accommodating groove 821 of the housing 82, and the pressing cap 61 is rotated, the arrow 612 points to the selected dial 8212, so that the pressing depth of the pressing member 6 against the pressing area 23 of the pressing portion 2 is adjusted, the deformation amount of the pressing area 23 of the pressing portion 2 is changed, and the extruded viscous fluid is indirectly adjusted.

The pressing head 6112 of the pressing member 6 is of different specifications, and the pressing head 6112 of different areas is replaced to adjust the area of the pressing member 6 acting on the pressing area 23 of the pressing portion 2, thereby changing the deformation amount of the pressing area 23 of the pressing portion 2 and indirectly adjusting the amount of the viscous fluid to be squeezed out.

Claims

1. A paste container for storing and quantitatively extruding a viscous fluid, comprising:

a storage part (1), wherein the interior of the storage part (1) is hollow and is provided with a storage part inner cavity (11), and at least one part of the storage part (1) is provided with a deformation area (12) which is easy to deform;

the extrusion part (2) is provided with an outlet (21), the interior of the extrusion part (2) is hollow and is provided with an extrusion part inner cavity (22), the extrusion part inner cavity (22) is communicated with the storage part inner cavity (11), and at least one part of the extrusion part (2) is provided with an extrusion area (23) capable of elastically deforming;

the conveying part (3) is hollow in the conveying part (3) and is a conveying part inner cavity (31), an output port (32) is arranged at the top end of the conveying part (3), an input port (33) is arranged at the bottom end of the conveying part, the input port (33) is communicated with an outlet (21) of the extrusion part (2), and the output port (32) is open to the outside;

it is characterized in that the method comprises the steps of,

the elastic recovery capacity of the extrusion area (23) of the extrusion part (2) is larger than that of the deformation area (12) of the storage part (1), the circumference (35) of the inner edge of the delivery outlet of the delivery part (3) and/or the circumference (36) of the inner edge of the transverse cross section of the delivery part adjacent to the extrusion part are smaller than the maximum circumference (27) of the inner edge of the transverse cross section of the delivery part adjacent to the delivery part, when external force acts on the extrusion area (23) of the extrusion part (2), the extrusion area (23) deforms towards the center direction of the inner cavity (22) of the extrusion part, viscous fluid in the inner cavity (22) of the extrusion part is extruded from the delivery outlet (32) through the outlet (21), and part of the viscous fluid enters the inner cavity (11) of the storage part; when the external force is removed, the extrusion area (23) of the extrusion part (2) is restored to the original state by utilizing the elasticity of the extrusion part, the inner cavity (22) of the extrusion part forms negative pressure, the deformation area (12) of the storage part (1) deforms towards the center direction of the inner cavity (11) of the storage part under the action of the negative pressure, and viscous fluid in the inner cavity (11) of the storage part enters the inner cavity (22) of the extrusion part.

2. Paste container according to claim 1, characterized in that the circumference of the inner edge of the delivery portion lumen (31) tapers along the central axis (24) towards the outlet opening (32).

3. Paste container according to claim 1, characterized in that at least one segment of the delivery portion (3) is recessed in the direction of the centre of the delivery portion cavity (31).

4. Paste container according to claim 1, characterized in that the delivery part (3) is provided with an adjusting member (25), the adjusting member (25) is located in the delivery part inner cavity (31) and/or the delivery outlet (32), the adjusting member (25) is provided with at least one through channel (251), the viscous fluid passes through the inside of the adjusting member (25) and contacts with the inner wall of the channel (251) of the adjusting member (25), and the contact area of the inner wall of the channel of the adjusting member (25) and the viscous fluid is adjustable.

5. Paste container according to claim 1, characterized in that the average wall thickness of the squeeze area (23) of the squeeze portion (2) is larger than the average wall thickness of the deformation area (12) of the reservoir (1).

6. Paste container according to claim 1, characterized in that the inner wall of at least one segment of the delivery part (3) is provided with a roughened layer (26), which roughened layer (26) increases the friction between the inner wall of the delivery part (3) and the viscous fluid.

7. A paste container according to any one of claims 1-6, wherein a resistance protrusion (4) is provided on the inner wall of the delivery part (3), the resistance protrusion (4) is one or more selected from the group consisting of a flocculent (42), a strip (44), a thorn (45) and a wedge (46), and the resistance protrusion (4) is an extension of the inner wall of the delivery part (3) towards the delivery part inner cavity (31) biased towards the output port (32).

8. The paste container according to claim 7, further comprising an application part (5), wherein the interior of the application part (5) is hollow and is an application part inner cavity (51), an application port (52) is arranged at the top end of the application part (5), a connection port (53) is arranged at the bottom end of the application part (5), and the connection port (53) of the application part (5) is in sealing connection with the output port (32) of the conveying part (3).

9. A paste container according to claim 8, further comprising a rigid support member (7), the support member (7) being conformally wrapped around the outer wall of the container except for the squeeze region (23) of the squeeze portion (2).

10. Paste container according to claim 9, characterized in that the storage part (1) is provided with a filling opening (13), the filling opening (13) is provided with a sealing cap (131) for sealing the outside, the filling opening (13) is communicated with the inner cavity (11) of the storage part, and viscous fluid enters the inner cavity (11) of the storage part through the filling opening (13).

11. The utility model provides a paste dosing device, including pressing means (6), this pressing means (6) is located extrusion portion (2) extrusion region (23), external force acts on extrusion portion (2) extrusion region (23) through pressing means (6), make extrusion region (23) take place deformation, external force cancel, extrusion portion (2) extrusion region (23) utilize self elasticity to resume original state, through the adjustment of pressing means (6) area and/or extrusion degree of depth on extrusion portion (2) extrusion region (23), the deformation volume of control extrusion portion (2) extrusion region (23), characterized in that still includes a paste container (10) of any one of claims 1-10.

12. Paste dosing device according to claim 11, characterized in that it further comprises a housing (8) with an external contour conforming to the human hand, the housing (8) being hollow to accommodate the paste container (10), the top end of the housing (8) being provided with a through hole (81), at least a part of the delivery portion (3) protruding through the through hole (81).

13. Paste dosing device according to claim 12, characterized in that the top end of the housing (8) is provided with a mirror (9), which mirror (9) is connected with a telescopic shaft (91) for adjusting the angle and/or the height.