Medicine feeding device

Abstract

The utility model discloses a medicine feeding device, relates to the technical field of medical instruments, and solves the technical problems of inconvenience in operation and low efficiency caused by the fact that an existing device cannot well meet the feeding of various medicines. The device comprises a medicine inlet cylinder, a rotating sleeve and a medicine outlet head, one end of the medicine inlet cylinder is connected with one end of the medicine outlet head through a cylindrical cam, the rotating sleeve is rotationally arranged on the outer side of the medicine inlet cylinder and the outer side of the medicine outlet head in a sleeving mode and covers the area of the cylindrical cam, a medicine grinding area is arranged between the cylindrical cam and the rotating sleeve, and the medicine grinding area is located between the cylindrical cam and the rotating sleeve. A medicine grinding assembly is arranged in the medicine grinding area, the two ends of the medicine grinding assembly are slidably connected with the inner wall of the cylindrical cam and the inner wall of the rotating sleeve correspondingly, a filtering hole is formed in the end, close to the cylindrical cam, of the medicine outlet head, and the filtering hole is matched with the medicine grinding assembly to grind medicine; the medicine feeding device has the advantages of being capable of meeting the requirement for feeding various medicines, easy to use, high in efficiency and the like.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of medical apparatus and instruments, and particularly relates to a medicine feeding device. BACKGROUND

[0002] Patient-assisted medicine feeding refers to helping patients take medicine more smoothly and safely through some auxiliary tools or methods. In medical practice, especially for the elderly, children, patients with mental illness or patients with difficulty in moving, assisted medicine feeding is particularly important. At present, the common method is to feed medicine to patients through a medicine feeder. For patients with mental illness, they may not be able to take medicine actively and accurately, and even have difficulty in swallowing and resist taking the whole medicine. Therefore, a medicine feeding device is needed to assist patients in taking medicine.

[0003] In the existing patent CN211214456U, a medicine feeder with a grinding and dissolving function is disclosed, which comprises a sleeve shell provided with a medicine delivery nozzle at the front end. The sleeve shell is characterized in that a grinding and medicine pushing rod is telescopically connected to the opening at the rear end of the sleeve shell, and a dissolving and medicine injection cavity is arranged between the front end of the grinding and medicine pushing rod and the front end of the inside of the sleeve shell. The front end of the inner sleeve body of the grinding and medicine pushing rod is provided with a medicine outlet hole, and the rear end of the inner sleeve body is provided with a medicine inlet hole. A conveying and grinding mechanism is arranged in the inner sleeve body. A spiral conveying auger is arranged on the conveying and grinding shaft of the conveying and grinding mechanism. The front end and the rear end of the conveying and grinding shaft are respectively provided with a grinding part and a grinding handle. The medicine is ground by the grinding mechanism. In the existing patent CN204193070U, a medicine feeder with a grinding function for critically ill patients is disclosed, which comprises a transparent cylinder. An end cover is arranged at the upper end of the transparent cylinder. A piston block that slides up and down is arranged in the transparent cylinder. A piston rod at the upper end of the piston block penetrates the end cover upward. A through hole is formed in the middle of the inner bottom surface of the transparent cylinder. The upper end of the through hole is covered by a screen. The lower end of the through hole is connected to one end of a liquid infusion tube. The other end of the liquid infusion tube is connected to a medicine feeding block with a water spraying hole on the outside. The medicine feeding block is wrapped with a sponge sleeve. The middle part of the side wall of the transparent cylinder is connected to the lower end of an external medicine feeding guide bracket. A water stop clamp is installed in the middle part of the liquid infusion tube.

[0004] In the above-mentioned patents, the medicine grinding mechanism is provided to facilitate the feeding of medicine to some special patients. However, in the existing device, the grinding mechanism is a separate structure. If water or liquid medicine needs to be fed to the patient, additional devices are needed to achieve this, which increases the size of the device and cannot achieve the feeding of multiple medicines. UTILITY MODEL CONTENT

[0005] The utility model provides a medicine feeding device, which aims to solve the technical problem that the existing device cannot satisfy the feeding of multiple medicines, leading to inconvenient operation and low efficiency.

[0006] To solve the above-mentioned technical problems, the technical scheme adopted by the present application is as follows:

[0007] The utility model provides a feed medicine device, including medicine inlet cylinder, rotating sleeve, medicine outlet head, one end of medicine inlet cylinder and one end of medicine outlet head are connected through cylindrical cam, rotating sleeve rotates the sleeve of medicine inlet cylinder and medicine outlet head outside and covers cylindrical cam area, be equipped with medicine grinding assembly between cylindrical cam and rotating sleeve, be equipped with medicine grinding assembly in medicine grinding area, two ends of medicine grinding assembly are connected with the inner wall sliding of cylindrical cam and rotating sleeve respectively, the one end of medicine outlet head close to cylindrical cam is equipped with filter hole, filter hole and medicine grinding assembly cooperate grinding medicine.

[0008] The utility model discloses a cylindrical cam and rotating sleeve are set up to connect medicine inlet cylinder and medicine outlet head with each other, and medicine grinding assembly is arranged between the cylindrical cam and the rotating sleeve, and the reciprocating motion principle of cylindrical cam is relied on, that is, when rotating the rotating sleeve, the rotating sleeve will drive the internal connected medicine grinding assembly to rotate, since one end of the medicine grinding assembly is slidably connected with the cylindrical cam, the medicine grinding assembly is reciprocated, when the medicine is placed in the medicine grinding area, under the reciprocation, the medicine grinding assembly will continuously extrude and rub the medicine, cooperate filter hole, and the extruded and ground medicine is passed into the medicine outlet head through the filter hole, and then is discharged from the medicine outlet head, so that the grinding feeding effect is achieved, and the medicine grinding area can be used to add water inward to mix the ground medicine powder, which is convenient for feeding, and if other medicine needs to be fed to the patient, the medicine can also be fed through the area, and the medicine can be put into the inner wall of the medicine inlet cylinder, which is directly discharged through the medicine outlet head, so that the feeding of various medicines is satisfied, and the operation is simple and efficient.

[0009] Preferably, the cylindrical cam is provided with a limiting groove, the limiting groove surrounds the cylindrical cam and is in communication at the beginning and the end, the limiting groove is a curved groove, the medicine grinding assembly is slidably connected in the limiting groove, and the other end of the medicine grinding assembly is axially slidably connected with the inner wall of the rotating sleeve.

[0010] After the technical scheme is adopted, it should be noted that the limiting groove is arranged on the cylindrical cam, the limiting groove surrounds the cylindrical cam and is in communication at the beginning and the end, and is a curved groove, according to the reciprocating principle of the cylindrical cam, when the rotating sleeve drives the medicine grinding assembly to rotate, the limiting groove contacts the grinding assembly, and the medicine grinding assembly is reciprocated by the protruding part of the limiting groove in the rotating process, so as to extrude and rub the medicine and realize grinding.

[0011] Preferably, the inner wall of the rotating sleeve is symmetrically provided with an axial sliding groove, and the drug grinding assembly is slidably connected in the sliding groove.

[0012] After the technical scheme is adopted, it should be noted that the symmetric sliding grooves are arranged on the inner wall of the rotating sleeve, and the drug grinding assembly is slidably connected in the sliding groove. When the drug grinding assembly reciprocates, the end connected with the rotating sleeve will also reciprocate under the limitation of the sliding groove. By arranging two drug grinding assemblies, when one grinding assembly grinds the drug, the other will be in a raised position and not participate in the grinding of the drug. With the rotation of the rotating sleeve, the other drug grinding assembly will slowly extrude and start to grind the drug. This arrangement ensures that the drug grinding assembly continuously grinds the drug, ensuring the grinding effect and efficiency.

[0013] Preferably, the connecting rod is provided with an arc-shaped grinding block on the side surface, one end of the connecting rod is rotatably connected with a sliding block, and the other end is fixedly connected with another sliding block. One end of the rotatably connected sliding block is arranged in the limiting groove and slidably connected with the limiting groove, and one end of the fixedly connected sliding block is arranged in the sliding groove and slidably connected with the sliding groove.

[0014] After the technical scheme is adopted, it should be noted that the arc-shaped grinding block will rotate continuously in the drug grinding area. The arc-shaped arrangement is more smooth in rotation, and the grinding block will reciprocate to extrude and grind the drug. Since the limiting groove is a curved groove, the sliding block arranged in the limiting groove is rotatably connected with the connecting rod, so that the sliding block moves more smoothly in the limiting groove and is not easy to be stuck. The sliding block arranged in the sliding groove is fixedly connected with the connecting rod, so that the torque of the rotating sleeve can be more converted into the thrust of the sliding block sliding in the limiting groove, so that the grinding effect is better.

[0015] Preferably, a drug guiding cavity is arranged in the side wall of the drug outlet head, at least one first drug outlet hole is arranged at one end of the drug outlet head, the first drug outlet hole is in communication with the drug guiding cavity, and the other end of the drug outlet head is in communication with the drug guiding cavity and the drug grinding area through the filter hole.

[0016] After the technical scheme is adopted, it should be noted that when the drug is extruded by the grinding block, the ground drug powder will enter the drug guiding cavity through the filter hole, then enter the first drug outlet hole through the drug guiding cavity, and finally enter the patient's mouth through the first drug outlet hole, thereby realizing the drug feeding to the patient.

[0017] Preferably, a guiding cavity is arranged in the inner wall of the drug inlet cylinder, the guiding cavity penetrates one end of the drug inlet cylinder and is in communication with the drug grinding area, a drug inlet and a liquid inlet are arranged on the side surface of the drug inlet cylinder, the drug inlet and the liquid inlet are in communication with the guiding cavity, and the other end of the drug inlet cylinder is closed.

[0018] By adopting the technical scheme, it is to be explained that when the medicine needs to be crushed, a certain amount of medicine is put into the medicine inlet, the medicine enters the medicine grinding area through the guide cavity, the rotating sleeve is rotated to grind the medicine, then purified water is injected through the liquid inlet to mix with the medicine powder, and the mixture enters the patient's mouth through the medicine outlet to realize feeding and serving; in addition, when the inside needs to be cleaned, purified water is injected into the liquid inlet or the medicine inlet to clean.

[0019] Preferably, the guide cavity is provided with a piston, one end of the piston penetrating through the closed end of the medicine cylinder and extending outward.

[0020] By adopting the technical scheme, it is to be explained that in order to make the ground medicine or the mixture of the medicine powder and water smoothly enter the patient's mouth to realize feeding of the medicine, the piston is arranged, the pressure in the medicine grinding area and the guide cavity is increased by extruding the piston to make the medicine extrude out of the medicine outlet, and the residue of the medicine is reduced; in addition, after the medicine is ground, the water and other liquids can be sucked into the first medicine outlet by pulling out the piston to mix with the medicine.

[0021] Preferably, a second medicine outlet hole is arranged at the center of the end of the medicine outlet, a through hole is arranged at the center of the cylindrical cam, and the second medicine outlet hole, the through hole and the inner wall of the medicine cylinder are in communication with each other.

[0022] By adopting the technical scheme, it is to be explained that the medicine cylinder, the cylindrical cam and the medicine outlet are all centrally penetrated, which are separated from the medicine grinding area, other medicines can be injected into the inner wall of the medicine cylinder, the medicines can directly enter the patient's oral cavity through the cylindrical cam and the second medicine outlet hole to realize feeding and serving of multiple medicines without interference.

[0023] Preferably, a second thread is arranged at one end of the cylindrical cam close to the medicine cylinder, a first thread matched with the second thread is arranged at the inner wall of the corresponding end of the medicine cylinder, and the medicine cylinder and the cylindrical cam are detachably connected through the cooperation of the first thread and the second thread.

[0024] By adopting the technical scheme, it is to be explained that the cylindrical cam and the medicine cylinder are detachably connected, so that the device is convenient to disassemble, clean and replace.

[0025] The use steps of the utility model are: firstly, the device is used to put the quantitative medicine into the medicine inlet, the medicine will enter the medicine grinding area through the guide cavity, at this time, the rotating sleeve can be rotated, when the rotating sleeve drives the medicine grinding assembly to rotate, the limiting groove contacts with the grinding assembly, the convex part of the limiting groove pushes the medicine grinding assembly to reciprocate in the rotating process, cooperates with the filter hole of the medicine outlet head, and then the extrusion friction of the medicine is realized, the grinding is realized, at this time, the pure water can be injected into the liquid inlet, so that the pure water is mixed with the medicine powder, the medicine powder enters the patient's mouth through the medicine outlet head, the feeding is realized, the medicine is pushed into the patient's mouth through the compression piston, other medicines are injected into the inner wall of the medicine cylinder, the medicines can directly enter the patient's oral cavity through the cylindrical cam and the second medicine outlet hole, the feeding of multiple medicines is realized, and the medicines do not interfere with each other.

[0026] In summary, due to the adoption of the above technical scheme, the utility model has the beneficial effects that:

[0027] 1. The utility model provides a kind of medicine feeding device, cylindrical cam and rotating sleeve are connected with each other by being set, and medicine grinding assembly is set between the cylindrical cam and the rotating sleeve, and the medicine grinding assembly is reciprocated by the reciprocating principle of cylindrical cam, so that the medicine is repeatedly extruded and ground.

[0028] 2. The utility model provides a kind of medicine feeding device, medicine is placed in the inner wall of the medicine cylinder, and the medicine is directly discharged through the medicine outlet head, so that the feeding of multiple medicines is satisfied, and the operation is simple and efficient.

[0029] 3. The utility model provides a kind of medicine feeding device, symmetrical sliding groove is set on the inner wall of rotating sleeve, and medicine grinding assembly is slidably connected, when medicine grinding assembly reciprocates, one end connected with rotating sleeve also reciprocates under the limitation of sliding groove, when one grinding assembly grinds medicine, the other grinding assembly is in elevated position and does not participate in grinding medicine, with the rotation of rotating sleeve, the other grinding assembly also slowly extrudes and grinds medicine, so that medicine grinding assembly continuously grinds medicine, and the grinding effect and efficiency are guaranteed. DRAWINGS

[0030] The utility model will be explained by example and with reference to the drawings, wherein:

[0031] Figure 1 It is overall structure schematic view of the utility model;

[0032] Figure 2 It is A-A section view of the utility model;

[0033] Figure 3A part structure schematic view of the utility model;

[0034] Figure 4 A cylindrical cam structure schematic view of the utility model;

[0035] Figure 5 A medicine cartridge structure schematic view of the utility model;

[0036] Figure 6 A rotating sleeve structure schematic view of the utility model.

[0037] Reference signs:

[0038] 1-medicine cartridge, 101-guide cavity, 102-first thread, 2-rotating sleeve, 201-sliding groove, 3-medicine outlet head, 301-filter hole, 302-first medicine outlet hole, 303-second medicine outlet hole, 304-medicine guide cavity, 4-piston, 5-medicine inlet, 6-liquid inlet, 7-cylindrical cam, 701-limiting groove, 702-second thread, 8-medicine grinding assembly, 801-connecting rod, 802-sliding block, 803-grinding block, 9-medicine grinding area. DETAILED DESCRIPTION

[0039] In order that the objects, technical solutions and advantages of the embodiments of the present application are more apparent, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the embodiments of the present application and the drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. The components of the embodiments of the present application described and indicated in the drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0040] In the description of the embodiments of the present application, it should be noted that the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships of the utility product when it is usually placed, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third", and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0041] The embodiments of the present application will be described below in conjunction with Figures 1-6 The utility model is described in detail. A medicine feeding device, as shown in

[0042] , Figure 1 , Figure 2 A medicine feeding device, comprising a medicine feeding barrel 1, a rotating sleeve 2, and a medicine outlet head 3, one end of the medicine feeding barrel 1 and one end of the medicine outlet head 3 are connected through a cylindrical cam 7, the rotating sleeve 2 is rotatably sleeved outside the medicine feeding barrel 1 and the medicine outlet head 3 and covers the area of the cylindrical cam 7, a medicine grinding area 9 is arranged between the cylindrical cam 7 and the rotating sleeve 2, a medicine grinding assembly 8 is arranged in the medicine grinding area 9, two ends of the medicine grinding assembly 8 are respectively slidably connected with the inner wall of the cylindrical cam 7 and the rotating sleeve 2, and the medicine outlet head 3 is provided with a filter hole 301 at one end close to the cylindrical cam 7, and the filter hole 301 cooperates with the medicine grinding assembly 8 to grind medicine.

[0043] As shown in Figure 3 , Figure 4 , Figure 6 A limiting groove 701 is arranged on the cylindrical cam 7, the limiting groove 701 surrounds the cylindrical cam 7 and is connected at the beginning and the end, the limiting groove 701 is a curved groove, and the medicine grinding assembly 8 is slidably connected in the limiting groove 701, and the other end of the medicine grinding assembly 8 is axially slidably connected with the inner wall of the rotating sleeve 2.

[0044] As shown in Figure 6 Symmetrical slide grooves 201 are arranged on the inner wall of the rotating sleeve 2 along the axial direction, and the medicine grinding assembly 8 is slidably connected in the slide grooves 201.

[0045] As shown in Figure 6 An arc-shaped grinding block 803 is arranged on the side of the connecting rod 801, one end of the connecting rod 801 is rotatably connected with a sliding block 802, and the other end of the connecting rod 801 is fixedly connected with another sliding block 802, one end of the rotatably connected sliding block 802 is arranged in the limiting groove 701 and slidably connected with the limiting groove 701, and one end of the fixedly connected sliding block 802 is arranged in the slide groove 201 and slidably connected with the slide groove 201.

[0046] As shown in Figure 2 A medicine guiding cavity 304 is arranged in the side wall of the medicine outlet head 3, at least one first medicine outlet hole 302 is arranged at one end of the medicine outlet head 3, the first medicine outlet hole 302 is in communication with the medicine guiding cavity 304, and the other end of the medicine outlet head 3 is in communication with the medicine guiding cavity 304 and the medicine grinding area 9 through the filter hole 301.

[0047] As shown in Figure 5As shown in the drawings, the inner wall of the medicine feeding cylinder 1 is provided with a guide cavity 101, the guide cavity 101 penetrates through one end of the medicine feeding cylinder 1 and communicates with the medicine grinding area 9, the side of the medicine feeding cylinder 1 is provided with a medicine feeding port 5 and a liquid feeding port 6, the medicine feeding port 5 and the liquid feeding port 6 both communicate with the guide cavity 101, and the other end of the medicine feeding cylinder 1 is closed.

[0048] As shown in the drawings, Figure 2 As shown in the drawings, the guide cavity 101 is provided with a piston 4, one end of the piston 4 penetrates through the closed end of the medicine feeding cylinder 1 and extends outward.

[0049] As shown in the drawings, Figure 2 As shown in the drawings, the end of the medicine discharging head 3 is provided with a second medicine discharging hole 303 in the center, the cylindrical cam 7 is provided with a through hole in the center, and the second medicine discharging hole 303, the through hole and the inner wall of the medicine feeding cylinder 1 communicate with each other.

[0050] As shown in the drawings, Figure 4 , Figure 5 As shown in the drawings, the cylindrical cam 7 is provided with a second thread 702 near one end of the medicine feeding cylinder 1, the inner wall of the corresponding end of the medicine feeding cylinder 1 is provided with a first thread 102 matched with the second thread 702, and the medicine feeding cylinder 1 and the cylindrical cam 7 are detachably connected through the cooperation of the first thread 102 and the second thread 702

[0051] The use steps of the utility model are as follows: firstly, the device is put into the quantitative medicine through the medicine feeding port 5, the medicine will enter the medicine grinding area 9 through the guide cavity 101, at this time, the rotating sleeve 2 can be rotated, when the rotating sleeve 2 drives the medicine grinding assembly 8 to rotate, the limiting groove 701 contacts the grinding assembly, the convex part of the limiting groove 701 pushes the medicine grinding assembly 8 to reciprocate in the rotating process, cooperates with the filter hole 301 of the medicine discharging head 3, and then realizes the extrusion and friction of the medicine, realizes grinding, at this time, the pure water can be injected into the liquid feeding port 6, so that the pure water is mixed with the medicine powder, enters the patient's mouth through the medicine discharging head 3, realizes feeding, the medicine is pushed into the patient's mouth through the compression piston 4, other medicines are injected into the inner wall of the medicine feeding cylinder 1, the medicines can directly enter the patient's oral cavity through the cylindrical cam 7 and the second medicine discharging hole 303, realize the feeding of multiple medicines, and do not interfere with each other.

[0052] The above description of disclosed embodiments enables those skilled in the art to carry out or use the utility model. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A medicine feeding device, characterized by: The utility model provides an improved medicine delivery device, which comprises a medicine cartridge (1), a rotating sleeve (2) and a medicine outlet head (3), wherein one end of the medicine cartridge (1) is connected to one end of the medicine outlet head (3) through a cylindrical cam (7), the rotating sleeve (2) is rotatably sleeved on the outside of the medicine cartridge (1) and the medicine outlet head (3) and covers the area of the cylindrical cam (7), a medicine grinding area (9) is arranged between the cylindrical cam (7) and the rotating sleeve (2), the medicine grinding area (9) is internally provided with a medicine grinding assembly (8), both ends of the medicine grinding assembly (8) are slidably connected to the inner wall of the cylindrical cam (7) and the rotating sleeve (2) respectively, and the medicine outlet head (3) is provided with a filter hole (301) at one end close to the cylindrical cam (7), wherein the filter hole (301) is matched with the medicine grinding assembly (8) to grind medicine.

2. A medicine feeding device according to claim 1, characterized in that: A limiting groove (701) is arranged on the cylindrical cam (7), the limiting groove (701) surrounds the cylindrical cam (7) and is in communication between the first end and the second end, the limiting groove (701) is a curved groove, and the medicine grinding assembly (8) is slidably connected in the limiting groove (701), and the other end of the medicine grinding assembly (8) is axially slidably connected to the inner wall of the rotating sleeve (2).

3. A medicine feeding device according to claim 2, wherein: The inner wall of the rotating sleeve (2) is symmetrically provided with a sliding groove (201) along the axial direction, and the sliding groove (201) is slidably connected with the medicine grinding assembly (8).

4. A medicine feeding device according to claim 3, wherein: The medicine grinding assembly (8) comprises a connecting rod (801), the side surface of the connecting rod (801) is provided with an arc-shaped grinding block (803), one end of the connecting rod (801) is rotatably connected with a sliding block (802), the other end of the connecting rod (801) is fixedly connected with another sliding block (802), one end of the sliding block (802) rotatably connected is arranged in the limiting groove (701) and slidably connected with the limiting groove (701), and one end of the sliding block (802) fixedly connected is arranged in the sliding groove (201) and slidably connected with the sliding groove (201).

5. The medicine feeding device according to claim 1, wherein: A medicine guiding cavity (304) is arranged in the side wall of the medicine outlet head (3), at least one first medicine outlet hole (302) is arranged at one end of the medicine outlet head (3), the first medicine outlet hole (302) is in communication with the medicine guiding cavity (304), and the other end of the medicine outlet head (3) is in communication with the medicine guiding cavity (304) and the medicine grinding area (9) through the filter hole (301).

6. A medicine feeding device according to claim 1, wherein: A guide cavity (101) is arranged in the inner wall of the medicine cartridge (1), the guide cavity (101) penetrates one end of the medicine cartridge (1) and is in communication with the medicine grinding area (9), a medicine inlet (5) and a liquid inlet (6) are arranged on the side surface of the medicine cartridge (1), the medicine inlet (5) and the liquid inlet (6) are in communication with the guide cavity (101), and the other end of the medicine cartridge (1) is closed.

7. A medicine feeding device according to claim 6, wherein: A piston (4) is arranged in the guide cavity (101), one end of the piston (4) penetrates the closed end of the medicine cartridge (1) and extends outward.

8. The medicine feeding device of claim 1, wherein: The end of the medicine outlet head (3) is provided with a second medicine outlet hole (303), and the cylindrical cam (7) is provided with a through hole, the second medicine outlet hole (303), the through hole and the inner wall of the medicine inlet cylinder (1) are communicated with each other.

9. The medicine feeding device of claim 1, wherein: The cylindrical cam (7) is provided with a second thread (702) near one end of the medicine inlet cylinder (1), and the inner wall of the corresponding end of the medicine inlet cylinder (1) is provided with a first thread (102) matched with the second thread (702), and the medicine inlet cylinder (1) and the cylindrical cam (7) are detachably connected through the cooperation of the first thread (102) and the second thread (702).

Images