CN214435839U

CN214435839U - Applicator

Info

Publication number: CN214435839U
Application number: CN202022979421.7U
Authority: CN
Inventors: 饶培玉; 陈巧萍
Original assignee: Third Affiliated Hospital Sun Yat Sen University
Current assignee: Third Affiliated Hospital Sun Yat Sen University
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-10-22
Anticipated expiration: 2030-12-08

Abstract

The utility model discloses an applicator relates to medical apparatus technical field. The utility model comprises a medicine cylinder, a push rod, a piston, a cylinder cover, a medicine applying head and a handle; the medicine cylinder is internally provided with a cavity for placing medicines; the piston is connected with the tail end of the push rod, the cylinder cover is connected with the middle part of the push rod, the piston is matched with the inner diameter of the medicine cylinder, and the piston is arranged in the medicine cylinder in a sliding mode; the cartridge cover is used for closing the upper end opening of the cartridge; the side wall of the medicine cylinder is provided with a medicine injection port communicated with the cavity; the medicine coating head is connected with the lower end opening of the medicine cylinder, a plurality of balls for coating medicine are arranged on the medicine coating head, and gaps for the medicine to flow through are arranged on the outer sides of the balls; one end of the handle is connected with the outer side wall of the cartridge and the handle is perpendicular to the cartridge. The utility model discloses can be convenient for the injection of medicine, extrude and paint the process, and paint the effect even, be difficult for causing the harm to the affected part.

Description

Applicator

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to medicator.

Background

In the daily nursing process, the affected part of a patient is often required to be coated with the medicine in an emulsion or paste state, the existing coating method generally extrudes the medicine to the affected part, and then the medicine is slowly spread and uniformly coated by using a cotton swab, the coating mode is low in efficiency, the cotton swab is easy to damage the affected part, and the medicine coating is not uniform enough.

The existing applicator with the ball has the defects that the medicine is difficult to extrude, the medicine is inconvenient to inject and apply, the size is large, the carrying is difficult and the like.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model aims to provide an applicator. The utility model discloses can be convenient for the injection of medicine, extrude and paint the process, and paint the effect even, be difficult for causing the harm to the affected part.

The utility model relates to an applicator, which comprises a cartridge, a push rod, a piston, a cartridge cover, an applicator head and a handle; a cavity for placing medicines is arranged in the medicine cylinder; the piston is connected with the tail end of the push rod, the cylinder cover is connected with the middle part of the push rod, the piston is matched with the inner diameter of the medicine cylinder, and the piston is arranged in the medicine cylinder in a sliding mode; the cartridge cover is used for closing the upper end opening of the cartridge; the side wall of the medicine cylinder is provided with a medicine injection port communicated with the cavity;

the medicine coating head is connected with the lower end opening of the medicine cylinder, a plurality of balls for coating medicine are arranged on the medicine coating head, and gaps for the medicine to flow through are formed in the outer sides of the balls; one end of the handle is connected with the outer side wall of the medicine cylinder, and the handle is vertical to the medicine cylinder;

and in the process that the push rod pushes the piston to move downwards, the piston pushes the medicine in the cavity out of the gap on the outer side of the ball, and the medicine is uniformly coated by the rolling of the ball.

Preferably, the handle is a multi-section telescopic rod structure and comprises at least two sections of sleeve rods which are sequentially sleeved, so that the length of the handle is adjustable.

Preferably, the piston is made of a metal material, and a first sealing ring is sleeved on the outer peripheral surface of the piston.

Preferably, the piston is of circular sheet-like construction.

Preferably, the lower surface of cover is equipped with circular shape seal groove, the diameter of seal groove with the external diameter looks adaptation of cartridge case, the seal groove is used for the lid to close on the upper end opening of cartridge case.

Preferably, the inside border of seal groove is equipped with the second sealing washer.

Preferably, the applicator further comprises a pressing head in a disc shape, the diameter of the pressing head is larger than that of the push rod, and the pressing head is connected with the upper end of the push rod.

Preferably, the applicator further comprises a protective sleeve made of transparent plastic, and the protective sleeve is matched with the lower end opening of the cartridge case and is used for being sleeved on the lower end opening of the cartridge case.

Preferably, the applicator head is removably attached to the cartridge.

Preferably, the applicator further comprises a cylindrical housing having an inner diameter adapted to the outer diameter of the cartridge, the housing being coaxially disposed and rotatably connected to the cartridge; the lateral wall of shell with the position that the injection mouth corresponds is equipped with the opening of injection mouth looks adaptation, the shell is used for the opening with seal when the injection mouth misplaces the injection mouth.

An applicator, its advantage lies in:

1. the utility model discloses a push rod drives the piston and extrudes the medicine in the cartridge case, can be convenient for extrude the operation of medicine, and the extrusion effect of piston is abundant simultaneously, and the volume of remaining of reducible medicine in the cartridge case reduces the medicine extravagant. The cartridge cover can seal the upper end opening of the cartridge case when not in use, so that the inside of the cartridge case can be effectively ensured to be clean, and the medicine extruded from the cartridge case can be kept clean. The medicine injection mouth has been seted up to the lateral wall of cartridge case, and the accessible medicine injection mouth is direct to the injection of medicine in the cartridge case, the injection process of cartridge case of can being convenient for. The medicine applying head is provided with a plurality of balls, the medicine is evenly applied by rolling the balls, so that the applied medicine is even, the friction on the surfaces of the balls is small, and the affected part and the skin are not easy to be damaged. The handle is mutually perpendicular's structure with the cartridge case, can be convenient for the hand grip the handle, scribbles the medicine for the patient through the cartridge case, can be convenient for scribble the operation of medicine process.

2. The handle adopts the structure of a plurality of sections of telescopic rods, so that the length of the handle is adjustable, the handle is taken out when in use and can be conveniently held, and the handle is retracted when not in use, so that the volume of the applicator is reduced, and the carrying and the storage are convenient.

3. The piston is made of metal materials, the surface of the metal materials is smooth, medicine adhesion can be reduced, the medicine can be fully extruded, and waste is reduced. The first sealing ring is sleeved on the peripheral surface of the piston, so that the air tightness between the piston and the medicine cylinder is good, and the medicine is fully extruded.

4. The piston is in a circular sheet structure, so that the resistance of the piston in the sliding process is small, and the medicine is fully extruded.

5. The lower surface of cover is equipped with the seal groove, closes through the seal groove lid and seals at the upper end opening part of cartridge case, makes the sealed effectual of cover, effectively guarantees the inside cleanness of cartridge case.

6. The sealing groove is internally provided with a second sealing ring which can lead the cylinder cover and the cartridge case to be sealed tightly, thus further improving the sealing effect of the cylinder cover.

7. The upper end of the push rod is connected with a pressing head which is provided with a disc shape, and the pressing head can be used for conveniently pressing and extruding the medicine, so that the operation process of extruding the medicine is more convenient.

8. The protective sheath is used for the cover to establish the lower extreme opening at the cartridge case, and the protective sheath can be used to seal the lower extreme opening of cartridge case, can prevent ball and external environment contact when not using, can guarantee the cleanliness of ball.

9. Scribble the medicine head and can dismantle with the cartridge case and be connected, can be convenient for scribble the medicine head and pull down and wash the disinfection, also can change the medicine head of scribbling of multiple difference simultaneously and scribble the medicine to adapt to the medicine demand of scribbling at different positions.

10. The medicine barrel is externally provided with a rotatable shell, the opening and closing of the medicine injection port are controlled through the rotation of the shell, the operation is convenient, and the medicine injection port can be conveniently opened and closed.

Drawings

Fig. 1 is a schematic view of an applicator according to the present invention.

Description of reference numerals: 1-a medicine cylinder, 11-a medicine injection port, 2-a push rod, 3-a piston, 4-a cylinder cover, 5-a medicine coating head, 51-a ball, 6-a handle, 7-a pressing head and 8-a protective sleeve.

Detailed Description

As shown in figure 1, the applicator of the present invention comprises a cartridge 1, a push rod 2, a piston 3, a cartridge cover 4, an applicator head 5 and a handle 6.

The medicine cylinder 1 is cylindrical and made of transparent hard plastic, and a cavity for placing medicines is arranged inside the medicine cylinder 1. The middle part of the piston 3 is connected with the tail end of the push rod 2, and the cylinder cover 4 is connected with the middle part of the push rod 2. The piston 3 has an outer diameter adapted to the inner diameter of the cartridge 1, the piston 3 being slidably arranged in the cartridge 1 for pushing out the medicament in the cartridge 1 by sliding the piston 3 downwards. The diameter of the cylinder cover 4 is slightly larger than the outer diameter of the medicine cylinder 1, and the cylinder cover 4 is used for covering the upper end opening of the medicine cylinder 1 to close the upper end opening of the medicine cylinder 1. The communicating injection mouth 11 with the cavity is seted up to the lateral wall of cartridge case 1 for to injecting the medicine into the cavity, should also be furnished with a plug with 11 looks adaptations of injection mouth, so that insert in 11 with the sealed injection mouth 11 of injecting medicine when piston 3 pushes away the medicine, keep the inside gas tightness of cartridge case 1.

Scribble medicine head 5 and be the disc, be connected with the lower extreme opening of cartridge case 1, scribble and be equipped with a plurality of ball 51 that is used for scribbling the medicine on the medicine head 5, in this embodiment, the quantity of ball 51 is six, and the equipartition is on scribbling medicine head 5, and ball 51 adopts metal material to make, and smooth processing is done on the surface, and ball 51's both sides with scribble medicine head 5 and rotate and be connected, make ball 51 can rotate around the hookup location to scribble the medicine even. The outside of the ball 51 is provided with a gap for the medicine to flow through, the gap is communicated with the cavity inside the medicine cartridge 1, when the piston 3 slides downwards to push out the medicine, the medicine flows out from the gap outside the ball 51, and then the medicine is coated evenly by the rolling of the ball 51.

The applicator of the utility model is used as follows, taking the ointment smearing process as an example, when the ointment is smeared on the affected part of a patient, the applicator is used. The rubber plug at the medicine injection port 11 is taken down, the piston 3 is pulled upwards to the upper end of the medicine cylinder 1, the ointment is squeezed into the cavity of the medicine cylinder 1 from the medicine injection port 11, and the rubber plug is inserted to close the medicine injection port 11. Promote piston 3 downwards, piston 3 slides down and pushes out the ointment simultaneously from the clearance in the ball 51 outside, and the ointment flows to scribbling medicine head 5 below, takes off transparent protective sheath 8, will scribble medicine head 5 and patient's affected part contact, then handheld handle 6, and slow removal cartridge case 1 makes ball 51 of scribbling on the medicine head 5 roll on patient's affected part, smears the ointment simultaneously and scribbles the piece even, and the ointment is smeared to patient's affected part is even, and the process is paintd to the ointment is accomplished.

The utility model discloses a push rod 2 drives piston 3 and extrudes the medicine in the cartridge case 1, can be convenient for extrude the operation of medicine, and piston 3's extrusion effect is abundant simultaneously, and the reducible medicine is in the volume of remaining in cartridge case 1, and it is extravagant to reduce the medicine. The cover 4 can close the upper opening of the medicine cartridge 1 when not in use, and can effectively ensure the cleanness of the interior of the medicine cartridge 1, so that the medicine extruded from the medicine cartridge 1 is kept clean. Medicine injection port 11 has been seted up to the lateral wall of cartridge case 1, and accessible medicine injection port 11 is direct to the injection of medicine in the cartridge case 1, the injection process of cartridge case 1 of can being convenient for. The medicine applying head 5 is provided with a plurality of balls 51, the medicine is evenly applied by rolling the balls 51, the applied medicine is even, and the balls 51 have small surface friction and are not easy to damage the affected part and the skin. Handle 6 and cartridge case 1 are mutually perpendicular's structure, can be convenient for the hand grip handle 6, scribble medicine for the patient through cartridge case 1, can be convenient for scribble the operation of medicine process.

Further, in this embodiment, the handle 6 is a multi-section telescopic rod structure, and includes at least two sections of sleeved rods, so that the length of the handle 6 is adjustable. Specifically, in this embodiment, the handle 6 includes three loop bars, for the convenience of expression, take the direction shown in fig. 1 as an example, from left to right, name first loop bar, second loop bar and third loop bar in proper order, the left end of first loop bar is connected with the outer wall of cartridge case 1, the right-hand member is equipped with a loop bar groove that extends with first loop bar syntropy, loop bar groove and second loop bar looks adaptation, the left end of second loop bar slides and sets up in the loop bar inslot, make the second loop bar can slide for first loop bar, and then make the length that exposes of second loop bar adjustable, the relation of connection of second loop bar and third loop bar can refer to the description of first loop bar and second loop bar and understand, no longer describe here. Through foretell multisection telescopic link structure for the length of handle 6 is adjustable, takes out handle 6 when using and can conveniently grip, retracts handle 6 when not using and can make the volume of medicator reduce, conveniently carries and accomodates.

Further, in this embodiment, the piston 3 is made of a metal material, and a first sealing ring is sleeved on the outer circumferential surface of the piston 3 and made of a rubber material. The piston 3 is made of metal materials, the surface of the metal materials is smooth, medicine adhesion can be reduced, medicine can be fully extruded, and waste is reduced. The first sealing ring is sleeved on the peripheral surface of the piston 3, so that the air tightness between the piston 3 and the medicine cylinder 1 is good, and the medicine is fully extruded.

Furthermore, in this embodiment, the piston 3 is a circular sheet structure, so that the sliding resistance of the piston 3 in the process of extruding the medicine is small, and the medicine can be fully extruded.

Further, in this embodiment, the lower surface of the cover 4 is provided with a circular sealing groove, the diameter of the sealing groove is matched with the outer diameter of the medicine cartridge 1, specifically, the diameter of the sealing groove is slightly larger than the outer diameter of the medicine cartridge 1, and the sealing groove is used for covering the opening at the upper end of the medicine cartridge 1. The upper end opening part of the cartridge case 1 is covered and sealed by the sealing groove, so that the sealing effect of the cartridge cover 4 is good, and the inside cleanness of the cartridge case 1 is effectively ensured.

Furthermore, in this embodiment, the inside edge of the sealing groove is provided with a second sealing ring, the second sealing ring is made of a rubber material, and the second sealing ring can tightly seal the space between the cylinder cover 4 and the medicine cylinder 1, so as to further improve the sealing effect of the cylinder cover 4.

Further, in this embodiment, the applicator further comprises a disc-shaped pressing head 7, the diameter of the pressing head 7 is larger than that of the push rod 2, the pressing head 7 is connected with the upper end of the push rod 2, and the pressing head 7 can be used for conveniently pressing and extruding the medicine, so that the operation process of extruding the medicine is more convenient.

Further, in this embodiment, the applicator further includes a protective sleeve 8, the protective sleeve 8 is made of transparent plastic, the protective sleeve 8 is adapted to the lower end opening of the cartridge case 1 and is used for being sleeved on the lower end opening of the cartridge case 1, the protective sleeve 8 can be used for closing the lower end opening of the cartridge case 1, the ball 51 can be prevented from contacting with the external environment when not in use, and the cleanliness of the ball 51 can be ensured.

Further, in this embodiment, scribble and can dismantle the connection through screw-thread fit's mode between medicine head 5 and the cartridge case 1, specifically, the inside wall of the lower extreme opening part of cartridge case 1 is equipped with the internal thread, scribbles the outer peripheral face of medicine head 5 and is equipped with the external screw thread, scribbles medicine head 5 and can dismantle the connection through the mode that the screw thread closes soon with cartridge case 1. Scribble 5 detachable structures of medicine head, can be convenient for on the one hand scribble that medicine head 5 pulls down and wash the disinfection, on the other hand also can prefabricate the medicine head 5 of scribbling of multiple different shapes, for example multiple shapes such as plane shape, evagination, concave shape to the human different positions of laminating adapt to the medicine demand of scribbling at different positions, the suitability is more extensive.

Further, in this embodiment, the applicator further includes a cylindrical housing (not shown in the figure), the inner diameter of the housing is adapted to the outer diameter of the medicine cartridge 1, the housing is coaxial with the medicine cartridge 1, and the housing and the medicine cartridge 1 are rotatably connected by means of matching of a hole and a shaft, the sidewall of the housing is provided with an opening adapted to the medicine injection port 11 at a position corresponding to the medicine injection port 11, and the housing is configured to close the medicine injection port 11 when the opening is misaligned with the medicine injection port 11. When adopting the plug to seal injection mouth 11, when piston 3 slided downwards and pushes away the medicine, the inside pressure increase of cartridge case 1, the plug probably deviates from injection mouth 11, leads to influencing the inside gas tightness of cartridge case 1, and adopts the mode of plug shutoff injection mouth 11, all is more troublesome when inserting and extracting the plug, and the operation is inconvenient. In order to solve this problem, in this embodiment, a housing is additionally provided on the exterior of the medicine cartridge 1, the medicine injection port 11 is opened or closed by rotation of the housing, and when the housing is rotated to have an opening corresponding to the medicine injection port 11, the medicine injection port 11 is exposed and opened, and a medicine can be pushed into the medicine cartridge 1 through the medicine injection port 11. When the shell rotates to the position that the opening is staggered with the medicine injection port 11, the shell shields the medicine injection port 11 to enable the medicine injection port 11 to be in a closed state, and therefore the air tightness in the medicine cylinder 1 is good. The opening and closing of the medicine injection port 11 are controlled through the rotation of the shell, the operation is convenient, the medicine injection port 11 can be opened and closed conveniently, and the air tightness in the medicine cylinder 1 in the medicine pushing process of the piston 3 can be ensured to be good.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse explanation, these directional terms do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present application.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures, and it is to be understood that spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both orientations of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims

1. An applicator, comprising a cartridge, a pusher, a piston, a cap, an applicator head, and a handle; a cavity for placing medicines is arranged in the medicine cylinder; the piston is connected with the tail end of the push rod, the cylinder cover is connected with the middle part of the push rod, the piston is matched with the inner diameter of the medicine cylinder, and the piston is arranged in the medicine cylinder in a sliding mode; the cartridge cover is used for closing the upper end opening of the cartridge; the side wall of the medicine cylinder is provided with a medicine injection port communicated with the cavity;

2. The applicator of claim 1, wherein said handle is a multi-section telescoping rod structure comprising at least two telescoping rods that are nested one within the other, such that the length of said handle is adjustable.

3. The applicator according to claim 1, wherein said piston is made of a metal material, and a first sealing ring is sleeved on the outer peripheral surface of said piston.

4. The applicator of claim 3, wherein said piston is in a circular sheet-like configuration.

5. The applicator of claim 1, wherein the lower surface of the cartridge cap is provided with a circular sealing groove having a diameter adapted to the outer diameter of the cartridge, the sealing groove being adapted to fit over the upper end opening of the cartridge.

6. The applicator of claim 5, wherein the inside edge of the sealing groove is provided with a second sealing ring.

7. The applicator according to claim 1, further comprising a pressing head having a disk shape and a diameter larger than that of the push rod, the pressing head being connected to an upper end of the push rod.

8. The applicator according to claim 1, further comprising a protective cover made of a transparent plastic material, said protective cover adapted to fit over the lower opening of said cartridge.

9. The applicator of claim 1, wherein said applicator head is removably attached to said cartridge.

10. The applicator of claim 1, further comprising a cylindrical housing having an inner diameter that is adapted to the outer diameter of the cartridge, the housing being coaxially disposed and rotatably coupled to the cartridge; the lateral wall of shell with the position that the injection mouth corresponds is equipped with the opening of injection mouth looks adaptation, the shell is used for the opening with seal when the injection mouth misplaces the injection mouth.