阅读说明：本技术 一种肛肠科手持给药装置 (Hand-held drug delivery device for anorectal department ) 是由 黄炜 秦晓宁 阮洪训 于 2021-08-03 设计创作，主要内容包括：本发明公开了一种肛肠科手持给药装置,包括储药筒和推拉杆,所述推拉杆的顶部固定安装有活塞板,所述活塞板可沿储药筒的内侧壁气密的往复滑动,所述储药筒的顶部螺纹连接有输药管,所述输药管的顶部一体成型设置有给药头,所述给药头的横截面设为梯形结构,且给药头的下端部螺纹连接有润滑导向机构,所述储药筒的外侧壁上一体成型设置有对称分布的指环,每个所述指环的内部均固定安装有锁紧机构,所述储药筒上固定安装有用于驱动推拉杆匀速并平稳移动的推动机构。本发明能够有效防止在给药过程中对患者造成二次伤害,且能够匀速上药,提高了上药效果,还具有便于拆卸安装及适应范围广等优点,实用性强,满足不同患者的使用需求。(The invention discloses a handheld anorectal drug delivery device, which comprises a drug storage cylinder and a push-pull rod, wherein a piston plate is fixedly mounted at the top of the push-pull rod, the piston plate can slide in an airtight reciprocating manner along the inner side wall of the drug storage cylinder, a drug delivery pipe is connected to the top of the drug storage cylinder through threads, a drug delivery head is integrally formed at the top of the drug delivery pipe, the cross section of the drug delivery head is in a trapezoidal structure, the lower end part of the drug delivery head is connected with a lubricating guide mechanism through threads, symmetrically distributed rings are integrally formed on the outer side wall of the drug storage cylinder, a locking mechanism is fixedly mounted inside each ring, and a pushing mechanism for driving the push-pull rod to move uniformly and stably is fixedly mounted on the drug storage cylinder. The invention can effectively prevent secondary damage to patients in the drug administration process, can apply the drug at a constant speed, improves the drug application effect, has the advantages of convenient disassembly and assembly, wide application range and the like, has strong practicability, and meets the use requirements of different patients.)

1. A hand-held drug delivery device for anorectal department, which comprises a drug storage cylinder (1) and a push-pull rod (2), a piston plate (3) is fixedly arranged at the top of the push-pull rod (2), the piston plate (3) can slide in an airtight reciprocating manner along the inner side wall of the medicine storage cylinder (1), it is characterized in that the top of the medicine storage cylinder (1) is connected with a medicine conveying pipe (4) through screw threads, the top of the medicine conveying pipe (4) is integrally provided with a medicine feeding head (5), the cross section of the medicine feeding head (5) is of a trapezoidal structure, the lower end part of the drug delivery head (5) is connected with a lubricating guide mechanism (6) in a threaded manner, the outer side wall of the medicine storage barrel (1) is integrally provided with symmetrically distributed finger rings (7), a locking mechanism (8) is fixedly arranged in each finger ring (7), a pushing mechanism (9) for driving the push-pull rod (2) to move stably at a constant speed is fixedly arranged on the medicine storage barrel (1);

the lubricating guide mechanism (6) comprises a guide pipe (601), the guide pipe (601) is sleeved on the outer side of the lower end part of the dosing head (5) in a threaded manner, a hemispherical bag body (602) is fixedly installed at the top of the guide pipe (601), annular oil storage cotton (603) is filled in the hemispherical bag body (602), a plurality of oil outlet holes (604) are uniformly formed in the side wall of the hemispherical bag body (602), the inner diameter of the annular oil storage cotton (603) is matched with the outer diameter of the upper end part of the dosing head (5), and a cross hole (605) is formed in the top of the hemispherical bag body (602);

locking mechanism (8) include a plurality of fixed mounting fixed cylinder (801), a plurality of on ring (7) inside wall fixed cylinder (801) are circumference evenly distributed, and the equal slidable mounting in inside of every fixed cylinder (801) has movable rod (802), every the bottom of movable rod (802) with correspond equal rigid coupling has expanding spring (803) between the bottom wall in fixed cylinder (801), and the equal integrated into one piece in top of every movable rod (802) is provided with arc locking plate (804).

2. The anorectal department handheld drug delivery device according to claim 1, wherein the pushing mechanism (9) comprises a driving box (901) fixedly mounted on the outer side wall of the drug storage box (1), a driving motor (902) is fixedly mounted inside the driving box (901), a supporting frame (903) is fixedly mounted inside the driving box (901), a driving wheel (904) is rotatably mounted on the supporting frame (903), a rotating shaft is fixedly mounted in an inner cavity of the driving wheel (904), the rotating shaft is fixedly connected with the output end of the driving motor (902) through a coupler, the driving wheel (904) penetrates through a strip-shaped hole in the drug storage box (1) and is engaged with a rack (905), and the rack (905) and the push-pull rod (2) are set to be of an integrally formed structure.

3. The anorectal department handheld drug delivery device according to claim 1 wherein the outer side wall of the drug delivery tube (4) is provided with a toothed ring (10) in an integrated way.

4. The anorectal department handheld drug delivery device according to claim 1 wherein the annular oil storage cotton (603) stores medical lubricant inside.

5. The anorectal department handheld drug delivery device of claim 1 wherein the side wall of each arc-shaped locking plate (804) is fixedly provided with a buffer pad (11).

6. The anorectal department handheld drug delivery device according to claim 1 wherein the hemisphere capsule (602) is made of medical silica gel material.

7. The anorectal department handheld drug delivery device according to claim 1, wherein a pressing handle (12) is integrally formed at the bottom end of the push-pull rod (2), and anti-skid lines (13) are arranged on the pressing handle (12).

8. The anorectal department handheld drug delivery device according to claim 2 wherein the inside of the driving box (901) is provided with a storage battery cavity (14).

Technical Field

The invention relates to the technical field of anorectal nursing equipment, in particular to a handheld administration device for anorectal departments.

Background

The anorectal department is mainly responsible for treating diseases of the posterior digestive tract and the anal region, the anorectal diseases are very frequent diseases of people, and clinically when treating anorectal diseases such as hemorrhoids and the like, a drug delivery device is generally used for delivering hemorrhoid suppository or externally applied drug into an intestinal canal, and the drug delivery device is rapidly absorbed by rectal mucosa to enter into the major circulation to exert drug effect so as to treat systemic or local diseases.

Through the retrieval, application number 201922294922.9's patent discloses a handheld device of dosing for anus intestines branch of academic or vocational study, include support body, motor case, add cartridge case and handle, one side fixedly connected with motor case of support body surface, the one end fixedly connected with connecting block of motor case is kept away from to the support body, one side fixedly connected with sleeve pipe of support body is kept away from to the connecting block, sheathed tube one end fixedly connected with leak protection cover, the inner diapire fixedly connected with fixed plate of leak protection cover, the stick of adding medicine is passed through cushion fixedly connected with in one side that leak protection cover was kept away from to the fixed plate, the bottom fixedly connected with handle of support body.

When the device is used, it is rotatory to drive the suction fan through the motor, and then produce the effect of induced drafting, transport the air to rubber air bag through the defeated tuber pipe, thereby played the effect of massage patient disease affected part when the patient is loaded with medicine, however, the device is being sent the medicine stopper to patient disease affected part in-process, not only easily cause the secondary injury to the patient because of the friction, still easily increase patient pain because of the hand shake, the patient of being not convenient for is recovered, it is unstable to load medicine speed in addition, it is poor to lead to the effect of loading with medicine, thereby can't satisfy the operation requirement of people in the life.

Disclosure of Invention

The invention aims to solve the problems that secondary damage is easy to cause to patients and the medicine feeding effect is poor in the prior art, and provides a handheld anorectal medicine feeding device.

In order to achieve the purpose, the invention adopts the following technical scheme:

a handheld drug delivery device for anorectal department comprises a drug storage cylinder and a push-pull rod, wherein a piston plate is fixedly mounted at the top of the push-pull rod, the piston plate can slide in a reciprocating mode along the inner side wall of the drug storage cylinder in an airtight mode, a drug delivery pipe is connected to the top of the drug storage cylinder through threads, a drug delivery head is integrally formed at the top of the drug delivery pipe, the cross section of the drug delivery head is of a trapezoidal structure, lubricating guide mechanisms are connected to the lower end of the drug delivery head through threads, symmetrically distributed rings are integrally formed on the outer side wall of the drug storage cylinder, a locking mechanism is fixedly mounted inside each ring, and a pushing mechanism used for driving the push-pull rod to move at a constant speed and stably is fixedly mounted on the drug storage cylinder;

the lubricating guide mechanism comprises a guide pipe, the guide pipe is sleeved on the outer side of the lower end part of the dosing head in a threaded manner, a hemispherical bag body is fixedly installed at the top of the guide pipe, annular oil storage cotton is filled in the hemispherical bag body, a plurality of oil outlet holes are uniformly formed in the side wall of the hemispherical bag body, the inner diameter of the annular oil storage cotton is matched with the outer diameter of the upper end part of the dosing head, and a cross hole is formed in the top of the hemispherical bag body;

locking mechanism includes a plurality of fixed mounting and is in solid fixed cylinder, a plurality of on the ring inside wall gu fixed cylinder is circumference evenly distributed, and the equal slidable mounting in inside of every solid fixed cylinder has a movable rod, every the bottom of movable rod with correspond equal rigid coupling has expanding spring between the diapire in the solid fixed cylinder, and the equal integrated into one piece in top of every movable rod is provided with arc locking plate.

Preferably, pushing mechanism includes fixed mounting and is in drive case on the storage cartridge case lateral wall, the inside fixed mounting of drive case has driving motor, and the inside fixed mounting of drive case has the support frame, rotate on the support frame and install the drive wheel, fixed mounting has the axis of rotation in the inner chamber of drive wheel, the axis of rotation pass through the shaft coupling with driving motor's output rigid coupling, the drive wheel passes bar hole meshing on the storage cartridge case is connected with the rack, the rack with the push-and-pull rod is established to the integrated into one piece structure.

Preferably, a toothed ring is integrally formed on the outer side wall of the medicine conveying pipe.

Preferably, medical lubricating oil is stored in the annular oil storage cotton.

Preferably, a buffer pad is fixedly mounted on the side wall of each arc-shaped locking plate.

Preferably, the hemisphere capsule body is made of medical silica gel material.

Preferably, the bottom end of the push-pull rod is integrally provided with a press handle, and the press handle is provided with anti-skid grains.

Preferably, a storage battery storage cavity is arranged inside the driving box.

Compared with the prior art, the invention provides a handheld drug delivery device for anorectal department, which has the following beneficial effects:

1. according to the invention, by arranging the lubricating guide mechanism, in the process of plugging the drug delivery head into the affected part of a patient, the top of the hemispherical bag body is acted by pressure to move towards the direction of the drug storage cylinder, so that extrusion force is generated on the annular oil storage cotton, and then the lubricating oil in the annular oil storage cotton flows to the outside of the drug delivery pipe through the oil outlet hole, so that the surface of the drug delivery pipe is ensured to be more lubricated, the drug delivery pipe is ensured to be plugged into the anorectum more smoothly, secondary damage to the patient can be effectively avoided, and the recovery time of the patient is shortened;

2. by arranging the locking mechanism, the invention can lock fingers of operators with different body types, enlarges the application range, can effectively prevent the pain of patients caused by the shaking of the drug storage cylinder in the drug administration process, and improves the practicability;

3. according to the invention, the pushing mechanism is arranged, the rotating shaft is driven to rotate by the driving motor and drives the driving wheel to rotate, the driving wheel drives the rack to move in a meshing transmission mode and enables the push-pull rod to stably move, so that uniform drug delivery is realized, the drug delivery effect is improved, and the rehabilitation of a patient is facilitated.

Through mutual cooperation among all the components, the invention can effectively prevent secondary damage to patients in the drug administration process, can apply the drug at a constant speed, improves the drug application effect, has the advantages of convenient disassembly and assembly, wide application range and the like, has strong practicability, and meets the use requirements of different patients.

Drawings

FIG. 1 is a schematic structural diagram of a handheld anorectal administration device provided by the invention;

FIG. 2 is a schematic view of an exploded structure of a hand-held drug delivery device for anorectal department according to the present invention;

FIG. 3 is a schematic sectional view of the anorectal handheld administration device provided by the invention;

FIG. 4 is a schematic view of a partial cross-sectional view of a hand-held anorectal drug delivery device according to the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 3;

fig. 6 is an enlarged schematic view of B in fig. 3.

In the figure: 1. a cartridge; 2. a push-pull rod; 3. a piston plate; 4. a drug delivery tube; 5. a dosing head; 6. lubricating a guide mechanism; 601. a guide tube; 602. a hemispherical capsule body; 603. annular oil storage cotton; 604. an oil outlet hole; 605. a cross hole; 7. a ring; 8. a locking mechanism; 801. a fixed cylinder; 802. a movable rod; 803. a tension spring; 804. an arc-shaped locking plate; 9. a pushing mechanism; 901. a drive box; 902. a drive motor; 903. a support frame; 904. a driving wheel; 905. a rack; 10. a toothed ring; 11. a cushion pad; 12. a pressing handle; 13. anti-skid lines; 14. and a storage battery storage cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example one

Referring to fig. 1-6, a hand-held drug delivery device for anorectal department comprises a drug storage cylinder 1 and a push-pull rod 2, wherein a piston plate 3 is fixedly installed at the top of the push-pull rod 2, the piston plate 3 can slide in an airtight reciprocating manner along the inner side wall of the drug storage cylinder 1, the drug storage cylinder 1 is used for temporarily storing drugs, and the top of the medicine storage cylinder 1 is in threaded connection with a medicine conveying pipe 4 for conveying medicine, the top of the medicine conveying pipe 4 is integrally provided with a medicine feeding head 5, the cross section of the medicine feeding head 5 is in a trapezoidal structure, so that the medicine can be conveniently smeared to the affected part of a patient, the lower end part of the drug delivery head 5 is in threaded connection with a lubricating guide mechanism 6, the outer side wall of the drug storage cylinder 1 is integrally provided with symmetrically distributed finger rings 7, the inside of each finger ring 7 is fixedly provided with a locking mechanism 8, and the drug storage cylinder 1 is fixedly provided with a pushing mechanism 9 for driving the push-pull rod 2 to move at a constant speed and stably;

the lubricating and guiding mechanism 6 comprises a guiding pipe 601, the guiding pipe 601 is sleeved on the outer side of the lower end part of the dosing head 5 in a threaded manner, a hemispherical bag body 602 is fixedly installed at the top of the guiding pipe 601, the hemispherical bag body 602 is made of medical silica gel materials, is soft and non-irritant to a human body, and is convenient for a patient to recover quickly, an annular oil storage cotton 603 is filled in the hemispherical bag 602, a plurality of oil outlets 604 are uniformly formed in the side wall of the hemispherical bag 602, the inner diameter of the annular oil storage cotton 603 is matched with the outer diameter of the upper end part of the dosing head 5, the annular oil storage cotton 603 is conveniently sleeved on the outer side wall of the upper end of the dosing head 5, and a cross hole 605 is formed in the top of the hemispherical bag 602;

locking mechanism 8 includes a plurality of fixed cylinder 801 of fixed mounting on the ring 7 inside wall, and a plurality of fixed cylinder 801 is circumference evenly distributed, and the equal slidable mounting in inside of every fixed cylinder 801 has movable rod 802, and equal rigid coupling has expanding spring 803 between the bottom of every movable rod 802 and the bottom wall in the corresponding fixed cylinder 801, and the top homogeneous body shaping of every movable rod 802 is provided with arc locking plate 804.

In the embodiment, after the medicine conveying pipe 4 is installed at the top end of the medicine storage barrel 1 in a threaded manner, the push-pull rod 2 is pulled to drive the piston plate 3 to move, so that medicine liquid is sucked into the medicine storage barrel 1 through the medicine conveying pipe 4, the annular oil storage cotton 603 is sleeved outside the upper end of the medicine feeding head 5, a proper amount of lubricating oil is poured onto the annular oil storage cotton 603, the guide pipe 601 is connected with the outer threads of the lower end of the medicine feeding head 5, then the forefinger and the middle finger of an operator respectively extend into the two finger rings 7, the fingers of operators with different body types can be locked under the combined action of the expansion spring 803 and the arc-shaped locking plate 804, shaking can be effectively prevented from occurring in the operation process, in the process of inserting the medicine feeding head 5 into a diseased part of a patient, the top of the hemispherical capsule 602 moves towards the direction of the medicine storage barrel 1 under the action of pressure, extrusion force is generated on the annular oil storage cotton 603, the lubricating oil in the annular oil storage cotton 603 flows to the outside of the medicine conveying pipe 4 through the oil outlet 604, guarantee that the surface of medicine conveying pipe 4 is lubricated more, ensure that medicine conveying pipe 4 fills in the anus intestines more smoothly, can effectively avoid causing the secondary injury to the patient, shortened patient recovery time, pass cross hole 605 on the top of giving first of medicine 5 simultaneously, be convenient for paint the liquid medicine to patient's sick affected part.

Example two

As shown in fig. 1 and 4, this embodiment is substantially the same as embodiment 1, and preferably, the pushing mechanism 9 includes a driving box 901 fixedly mounted on an outer side wall of the medicine storage cartridge 1, a power switch is mounted on a top of the driving box 901, a driving motor 902 is fixedly mounted inside the driving box 901, a supporting frame 903 is fixedly mounted inside the driving box 901, a driving wheel 904 is rotatably mounted on the supporting frame 903, a rotating shaft is fixedly mounted in an inner cavity of the driving wheel 904, the rotating shaft is fixedly connected to an output end of the driving motor 902 through a coupler, the driving wheel 904 penetrates through a strip-shaped hole on the medicine storage cartridge 1 to be engaged with a rack 905, and the rack 905 and the push-pull rod 2 are configured as an integral structure.

In this embodiment, when smearing the liquid medicine to the affected part of the patient, the driving motor 902 is started, the driving shaft is driven to rotate by the driving motor 902 and drives the driving wheel 904 to rotate, the driving wheel 904 drives the rack 905 to move in a meshing transmission mode and drives the push-pull rod 2 to move stably, so that uniform medicine administration is realized, the medicine administration effect is greatly improved, and the patient can be conveniently and quickly recovered.

EXAMPLE III

As shown in fig. 1 and 2, this embodiment is substantially the same as embodiment 1, and preferably, a toothed ring 10 is integrally formed on the outer side wall of the drug delivery tube 4.

In this embodiment, through setting up ring gear 10, can increase frictional force, the operator of being convenient for dismantles installation medicine conveying pipe 4, has improved the efficiency of dosing.

Example four

As shown in fig. 5, this embodiment is substantially the same as embodiment 1, and preferably, the annular oil storage cotton 603 stores medical lubricant therein.

In the embodiment, by using the medical lubricating oil, the injury to the patient can be effectively prevented, and the recovery time is shortened.

EXAMPLE five

As shown in fig. 6, this embodiment is substantially the same as embodiment 1, and preferably, a cushion pad 11 is fixedly mounted on a side wall of each of the arc-shaped locking plates 804.

In this embodiment, through setting up blotter 11, guaranteeing that arc locking plate 804 can also prevent to cause the injury because of the too big finger of clamping-force to operator under the prerequisite that can grasp operator's finger.

EXAMPLE six

As shown in fig. 1 and 4, in this embodiment, basically the same as that of embodiment 1, preferably, a pressing handle 12 is integrally formed at the bottom end of the push-pull rod 2, and the pressing handle 12 is provided with anti-slip threads 13.

In this embodiment, by providing the push handle 12, when the driving motor 902 fails or is not powered on, the medicine can be manually administered, which improves the practicability.

EXAMPLE seven

As shown in fig. 1, this embodiment is substantially the same as embodiment 1, and preferably, a storage battery compartment 14 is provided inside a drive case 901.

In the embodiment, the storage battery storage cavity 14 for storing the storage battery is arranged, so that the storage battery storage cavity is convenient for a patient to carry, and is flexible and convenient to use.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.