CN214912587U

CN214912587U - Skin injury medicine feeding device after radiotherapy

Info

Publication number: CN214912587U
Application number: CN202120654571.2U
Authority: CN
Inventors: 刘辉; 方方; 罗凤
Original assignee: Henan Cancer Hospital
Current assignee: Henan Cancer Hospital
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-11-30
Anticipated expiration: 2031-03-31

Abstract

A medicine feeding device for skin injury after radiotherapy effectively solves the problem of uneven medicine coating, and comprises a medicine storage cylinder, wherein a piston is arranged inside the medicine storage cylinder, a screw rod is arranged in the middle of the piston, a medicine coating cover is arranged at the bottom of the screw rod, a rotary drum is sleeved outside the medicine storage cylinder, a drum cover is sleeved outside the rotary drum, a reset spring is arranged between the rotary drum and the drum cover, an inner ratchet wheel is arranged at the top of the rotary drum, a pawl is arranged at the top of the screw rod, and the inner ratchet wheel and the pawl are mutually matched to form a structure that the screw rod rotates in one direction. The problem of waste when the medicine is used is effectively solved through the design, the defect that the medicine oozes when placed is avoided, the purpose of conveniently observing the medicine using amount is achieved, the risk of medicine pollution is reduced, the function of conveniently adding the medicine is realized, the risk of cross infection between doctors and patients is reduced, and the purpose of convenient use is achieved.

Description

Skin injury medicine feeding device after radiotherapy

Technical Field

The utility model belongs to the technical field of medical care instrument technique and specifically relates to a skin damage medicine feeding device after radiotherapy is related to.

Background

At present, with the continuous progress of medical technology, when people treat diseases by using a radiotherapy method, certain damage may be brought to the skin, at this time, the skin needs to be coated with medicine, the radiotherapy skin damage is generally prepared from paste medicine, at present, when medical staff coats the medicine to patients, cotton swabs, cotton balls or fingers are mostly adopted to coat the medicine, but the coating method causes the uneven coating of the medicine, so that the medicine is not completely absorbed, and the medicine directly contacts with the patients when the medicine is coated by the fingers, so that cross infection between doctors and patients may be caused, because the using amount of the medicine cannot be visually checked, the waste of the medicine or the shortage of the using amount of the medicine may be caused, in addition, when the skin of the patients needs to be coated with the medicine in a large area, a large amount of time is consumed, and the burden of the medical staff is invisibly increased, therefore, a new medicine feeding device is very important.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a skin damage medicine feeding device after radiotherapy, the utility model discloses novel structure, think about ingeniously, easy operation is convenient, through this design the effectual inhomogeneous shortcoming of medicine smearing of having solved, the extravagant problem when having alleviateed the medicine and using, the defect that the medicine oozes when having avoided placing, the purpose of being convenient for observe the medicine quantity has been reached, the contaminated risk of medicine has been alleviateed, the function of being convenient for add the medicine has been realized, cross infection's risk between doctor and patient has been reduced, the purpose of being convenient for use has been reached, medical personnel's operating pressure has been alleviateed.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model discloses a store up the cartridge case, store up the inner wall of cartridge case and seted up a plurality of spouts, store up the inside sliding connection of cartridge case and have a piston, the bottom of piston is equipped with the one deck rubber pad, the middle part screw-thread fit of piston has a lead screw, the top cover of storing up the cartridge case is equipped with a rotary drum, and the helicla flute has all been seted up to both sides around the rotary drum, the rotary drum overcoat is equipped with a cover, slider of both sides fixedly connected with respectively around the inner wall of cover, helicla flute and slider are mutually supported and are formed the limit structure of rotary drum.

Preferably, be equipped with a reset spring between rotary drum and the cover, ratchet in the top fixedly connected with of rotary drum, the upper end of lead screw runs through interior ratchet middle part, the upper end of lead screw runs through the middle part of interior ratchet, a cushion of top fixedly connected with of lead screw, the upper end of cushion is equipped with a plurality of lugs, the upper end of cushion is rotated and is connected with a plurality of pawls, every pawl and correspond a little spring of equal fixedly connected with between the lug, interior ratchet, pawl, cushion and little spring cooperate mutually and form the one-way rotatory structure of lead screw.

Preferably, two guide holes are formed in the middle of the medicine storage cylinder, a guide rod capable of sliding up and down along the corresponding guide hole is arranged in each guide hole, the top of each guide rod is fixedly connected with the bottom of the cylinder cover, and each guide hole and the corresponding guide rod are matched with each other to form a limiting structure of the cylinder cover.

Preferably, a plurality of anti-slip strips are arranged outside the medicine storage cylinder, a medicine coating cover capable of rotating along the medicine storage cylinder is arranged at the bottom of the medicine storage cylinder, a plurality of medicine outlet holes are formed in the bottom of the medicine coating cover, a sealing cover is arranged at the bottom of the medicine coating cover, a gasket is fixedly connected to the bottom of the screw rod, and the medicine coating cover is in threaded connection with the bottom of the screw rod.

Preferably, a groove rod is fixedly connected above the cushion block, a sliding rod capable of sliding up and down along the groove rod is arranged in the groove rod, and the groove rod, the sliding groove and the screw rod are mutually matched to form a limiting structure of the piston.

Preferably, the top of the cartridge cover is provided with a pressing plate, and the front side of the cartridge storage is provided with a glass block marked with scale marks.

The utility model discloses novel structure, think about ingeniously, easy operation is convenient, through this design effectual solved the medicine and paint inhomogeneous shortcoming, extravagant problem when having alleviateed the medicine and using, the defect that the medicine oozed when having avoided placing has reached the purpose of being convenient for observe the medicine quantity, has alleviateed the contaminated risk of medicine, has realized the function of being convenient for add the medicine, has reduced cross infection's between doctor and patient risk, has reached the purpose of convenient to use, has alleviateed medical personnel's operating pressure.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

Fig. 2 is a schematic diagram of the internal structure of the present invention.

Fig. 3 is an exploded view of the present invention.

Fig. 4 is a schematic view of the fit between the middle sliding groove and the sliding rod of the present invention.

Fig. 5 is a partially enlarged view of the area a in fig. 4 according to the present invention.

Fig. 6 is a schematic view of the position relationship among the Chinese medicine coating cover, the sealing cover and the lead screw of the present invention.

In the figure: 1-medicine storage cylinder, 2-piston, 3-rubber pad, 4-screw rod, 5-rotary cylinder, 6-spiral groove, 7-cylinder cover, 8-slide block, 9-reset spring, 10-internal ratchet wheel, 11-cushion block, 12-convex block, 13-pawl, 14-small spring, 15-guide hole, 16-guide rod, 17-anti-slip strip, 18-medicine coating cover, 19-medicine outlet hole, 20-seal cover, 21-gasket, 22-groove rod, 23-slide rod, 24-pressing plate, 25-glass block and 26-slide groove.

Detailed Description

The following describes the present invention in further detail with reference to fig. 1-6.

In the first embodiment, as shown in fig. 1-3, the present invention comprises a drug storage cartridge 1, in order to achieve the purpose of facilitating drug extrusion, the inner wall of the drug storage cartridge 1 is provided with a plurality of sliding grooves 26, the interior of the drug storage cartridge 1 is slidably connected with a piston 2, the bottom of the piston 2 is provided with a layer of rubber pad 3, the rubber pad 3 and the drug storage cartridge 1 are well sealed, so as to ensure that the drug is not extruded from the top of the piston 2, the piston 2 can only slide up and down along the drug storage cartridge 1 but cannot rotate, the middle part of the piston 2 is threadedly engaged with a lead screw 4, the lead screw 4 has a proper lead, so as to make the ratio of the number of rotation turns of a drug-coating cover 18 to the drug-output amount proper, a rotating drum 5 is sleeved above the drug storage cartridge 1, both sides of the rotating drum 5 are provided with helical grooves 6, a drum cover 7 is sleeved outside the rotating drum 5, both sides of the inner wall of the drum cover 7 are fixedly connected with a slider 8 respectively, when the sliding block 8 moves up and down along with the cylinder cover 7, the sliding block 8 can extrude the spiral groove 6 to enable the rotary cylinder 5 to rotate, and the spiral groove 6 and the sliding block 8 are matched with each other to form a limiting structure of the rotary cylinder 5.

In the second embodiment, based on the first embodiment, as shown in fig. 2 to 5, in order to achieve a better purpose, a return spring 9 is disposed between the rotary drum 5 and the drum cover 7, the return spring 9 can ensure that the drum cover 7 can be automatically lifted after being pressed down, an inner ratchet 10 is fixedly connected to the top of the rotary drum 5, the upper end of the lead screw 4 penetrates through the middle of the inner ratchet 10, a cushion block 11 is fixedly connected to the top end of the lead screw 4, a plurality of bumps 12 are disposed on the upper end of the cushion block 11, a plurality of pawls 13 are rotatably connected to the upper end of the cushion block 11, a small spring 14 is fixedly connected between each pawl 13 and the corresponding bump 12, when the drum cover 7 is pressed down, since the pawls 13 are engaged in the inner ratchet 10, the inner ratchet 10 pushes against the pawls 13 to drive the lead screw 4 to rotate positively, so as to drive the medicine coating cover 18 to rotate, and is influenced by the elasticity of the small spring 14, the pawl 13 can not fall off from the gear teeth of the inner ratchet wheel 10, when the cylinder cover 7 is bounced, the inner ratchet wheel 10 rotates in the opposite direction, the pawl 13 slides relative to the inner ratchet wheel 10 due to inertia, the medicine coating cover 18 can continue to rotate under the influence of inertia, the cylinder cover 7 can continue to be pressed downwards after being bounced, therefore, the medicine coating cover 18 is ensured to continuously rotate, and the inner ratchet wheel 10, the pawl 13, the cushion block 11 and the small spring 14 are mutually matched to form a structure that the screw rod 4 rotates in one direction.

In the third embodiment, on the basis of the first embodiment, as shown in fig. 1 to 3, in order to achieve the better purpose, two guide holes 15 are formed in the middle of the drug storage cartridge 1, a guide rod 16 capable of sliding up and down along the corresponding guide hole 15 is respectively arranged in each guide hole 15, the top of each guide rod 16 is fixedly connected with the bottom of the cartridge cover 7, the guide holes 15 can ensure that the cartridge cover 7 can only slide up and down but cannot rotate relative to the drug storage cartridge 1, and each guide hole 15 and the corresponding guide rod 16 are mutually matched to form a limiting structure of the cartridge cover 7.

Fourth embodiment, based on the third embodiment, as shown in fig. 1-3 and fig. 6, in order to achieve better purposes, the exterior of the drug storage cartridge 1 is provided with a plurality of anti-slip strips 17, so that the friction force between the device and the hand can be increased when in use, the device is prevented from falling off from the hand, the bottom of the drug storage cartridge 1 is provided with a drug coating cover 18 which can rotate along the drug storage cartridge 1, the drug coating cover 18 can be detached and replaced, cross infection among different patients is avoided, the seal between the drug coating cover 18 and the drug storage cartridge 1 is tight, the drug cannot flow out from a gap and cannot affect the rotation of the drug coating cover 18, the bottom of the drug coating cover 18 is provided with a plurality of drug outlet holes 19, the bottom of the drug coating cover 18 is provided with a seal cover 20, when the device is stopped to use, the seal cover 20 can ensure that the drug cannot be polluted, and can prevent the drug from flowing out from the drug outlet holes 19 when the device is placed for a long time, the bottom fixedly connected with gasket 21 of lead screw 4, scribble medicine lid 18 and lead screw 4 bottom threaded connection, it is opposite to scribble the screw direction between medicine lid 18 and the lead screw 4 and the screw direction between piston 2 and the lead screw 4, can guarantee to scribble medicine lid 18 and can not drop because of the friction when using, and the dead condition of card appears between medicine lid 18 and the storage cartridge case 1 when the gasket 21 can prevent to rotate.

In the fifth embodiment, on the basis of the second embodiment, as shown in fig. 3 to 5, in order to achieve the purpose of conveniently adding the medicine, a groove rod 22 is fixedly connected above the cushion block 11, a sliding rod 23 capable of sliding up and down along the groove rod 22 is arranged in the groove rod 22, when the medicine needs to be added into the medicine storage cartridge 1, the sliding rod 23 is pulled upwards, the sliding rod 23 can cross in a U-shaped groove at the top of the groove rod 22, the pawl 13 can slide out of the inner ratchet 10 by continuously pulling up a proper distance, at this time, the piston 2 can rapidly slide to the top of the medicine storage cartridge 1 by rotating the sliding rod 23, after the medicine is added, the groove rod 22 is pressed downwards while rotating, the pawl 13 can be contracted under the influence of the friction force, at this time, the pawl 13 can be pushed back into the ratchet, and the groove rod 22, the sliding rod 23, the sliding groove 26 and the screw rod 4 are mutually matched to form a limit structure of the piston 2.

Sixth embodiment, on the basis of the second embodiment, as shown in fig. 1, in order to achieve the purpose of facilitating observation of the amount of the drug, a pressing plate 24 is disposed at the top of the cartridge cover 7, when in use, a finger is placed on the pressing plate 24 to press downwards, a glass block 25 marked with scale lines is disposed at the front side of the cartridge 1, the glass block 25 is embedded on the wall of the cartridge 1, and is tightly sealed with the cartridge 1 without drug leakage, the glass block 25 is made of a transparent material, so that the position of the piston 2 in the cartridge 1 can be seen, and the amount of the drug can be conveniently determined.

When the utility model is used, firstly the sealing cover 20 and the medicine coating cover 18 are taken down, then the sliding rod 23 is upwards pulled to the top of the groove rod 22, the sliding rod 23 is made to transversely move in the U-shaped groove at the top of the groove rod 22, the pawl 13 slides out from the inner ratchet wheel 10 by continuously pulling up a proper distance, then the sliding rod 23 is rotated to make the piston 2 ascend to the top of the medicine storage cylinder 1, then the medicine to be coated is added into the medicine storage cylinder 1, after the medicine is added, the groove rod 22 is pressed downwards while rotating, the pawl 13 is pushed back to the ratchet, then the sliding rod 23 is propped by hand to install the medicine coating cover 18 to the bottom of the screw rod 4 and is screwed down, then the sliding rod 23 is pushed back to the groove rod 22, then the medicine coating cover 18 is attached to the skin area needing to be coated, then the pressing plate 24 is pressed downwards to make the cylinder cover 7 slide downwards, at this moment, the lug 12 on the inner wall of the cylinder cover 7 can extrude the spiral groove 6 on the rotary cylinder 5, the rotary cylinder 5 is rotated, at the moment, the inner ratchet wheel 10 at the top of the rotary drum 5 drives the screw rod 4 to rotate through the pawl 13, after the pressing plate 24 is loosened, the reset return spring 9 between the drum cover and the rotary drum 5 can bounce the drum cover, the rotary drum 5 can rotate to the initial position along with the rise of the drum cover, at the moment, due to the mutual matching of the inner ratchet wheel 10 and the pawl 13, the screw rod 4 can continue to rotate towards the original direction, due to the rotation of the screw rod 4, the piston 2 can be driven to slide downwards to extrude the medicine from the medicine outlet hole 19, at the moment, the medicine coating cover 18 also rotates along with the rotation, so that the extruded medicine is uniformly coated on the skin surface of a patient, after the coating is finished, the medicine coating piece is cleaned through the absorbent cotton, then the seal cover 20 is buckled on the medicine coating piece, and the device is placed at a proper position.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a skin damage medicine feeding device after radiotherapy, includes storage cartridge case (1), its characterized in that: store up cartridge case (1) inner wall and seted up a plurality of spouts (26), the inside sliding connection who stores up cartridge case (1) has a piston (2), and the bottom of piston (2) is equipped with one deck rubber pad (3), the middle part screw-thread fit of piston (2) has a lead screw (4), the top cover that stores up cartridge case (1) is equipped with a rotary drum (5), and helicla flute (6) have all been seted up to both sides around rotary drum (5), rotary drum (5) overcoat is equipped with a cover (7), and both sides are fixed connection respectively slider (8) around cover (7) inner wall, helicla flute (6) and slider (8) cooperate the limit structure who forms rotary drum (5) mutually.

2. The device for applying a drug to skin lesion after radiotherapy according to claim 1, wherein: be equipped with one reset spring (9) between rotary drum (5) and cover (7), ratchet (10) in the top fixedly connected with of rotary drum (5), ratchet (10) middle part in the upper end of lead screw (4) runs through, cushion (11) of top fixedly connected with of lead screw (4), the upper end of cushion (11) is equipped with a plurality of lugs (12), the upper end of cushion (11) is rotated and is connected with a plurality of pawls (13), every pawl (13) and correspond equal fixedly connected with one little spring (14) between lug (12), interior ratchet (10), pawl (13), cushion (11) and little spring (14) cooperate each other and form lead screw (4) unidirectional rotation's structure.

3. The device for applying a drug to skin lesion after radiotherapy according to claim 1, wherein: two guide holes (15) are formed in the middle of the medicine storage barrel (1), a guide rod (16) capable of sliding up and down along the corresponding guide hole (15) is arranged in each guide hole (15), the top of each guide rod (16) is fixedly connected with the bottom of the barrel cover (7), and each guide hole (15) and the corresponding guide rod (16) are matched with each other to form a limiting structure of the barrel cover (7).

4. The device for applying a drug to skin lesion after radiotherapy according to claim 3, wherein: the utility model discloses a lead screw, including storage cartridge case (1), storage cartridge case (1) outside is equipped with a plurality of antislip strips (17), the bottom of storage cartridge case (1) is equipped with one and can follows storage cartridge case (1) pivoted medicine cover (18) of scribbling, and the bottom of scribbling medicine cover (18) has seted up a plurality of medicine holes (19), the bottom of scribbling medicine cover (18) is equipped with a closing cap (20), gasket (21) of bottom fixedly connected with of lead screw (4), scribble medicine cover (18) and lead screw (4) bottom threaded connection.

5. The device for applying a drug to skin lesion after radiotherapy according to claim 2, wherein: a groove rod (22) is fixedly connected to the upper portion of the cushion block (11), a sliding rod (23) capable of sliding up and down along the groove rod (22) is arranged in the groove rod (22), and the groove rod (22), the sliding rod (23), the sliding groove (26) and the screw rod (4) are mutually matched to form a limiting structure of the piston (2).

6. The device for applying a drug to skin lesion after radiotherapy according to claim 2, wherein: the top of the cartridge cover (7) is provided with a pressing plate (24), and the front side of the cartridge storage cartridge (1) is provided with a glass block (25) marked with scale marks.