Drug delivery device

Abstract

The present disclosure provides a drug delivery device. The drug delivery device comprises a device body, a cap body and a drug delivery adjusting assembly. The device main body is provided with a medicine feeding port and a containing cavity which are communicated; the drug delivery adjusting assembly comprises a drug delivery driving rod body and an adjusting body, the drug delivery driving rod body is provided with a scale area and a plurality of first clamping parts, each first clamping part corresponds to the scale value of the scale area, the drug delivery driving rod body is provided with a plurality of clamping grooves, one clamping groove is formed between every two adjacent first clamping parts, and the adjusting body is arranged on the first clamping part. A connecting through groove is formed in the adjusting body, a second clamping part is arranged on the inner wall of the connecting through groove, and the second clamping part penetrates through the corresponding clamping groove and is clamped with the corresponding first clamping part; the drug delivery driving rod body penetrates through the connecting through groove and is rotationally connected with the adjusting body, and the drug delivery driving rod body further penetrates through the containing cavity and is in sliding connection with the device body; the adjusting body is located outside the containing cavity and abuts against the device body. The drug delivery device is convenient to accurately deliver drugs to a specific environment.

Description

Technical Field

[0001] The present disclosure relates to the technical field of drug administration, and in particular to a drug administration device. Background Art

[0002] Drug delivery device is a delivery device used to deliver drugs continuously or intermittently into a specific environment. Drug delivery device is widely used in the fields of medicine, chemical industry, food, environmental protection, agriculture and pets.

[0003] In the prior art, a traditional drug delivery device includes a device body, a drug delivery body and a drug storage body. The drug delivery body is connected to the device body, and the drug delivery body is provided with a connected storage cavity and a drug dispersion cavity. The drug dispersion body is located in the storage cavity and connected to the drug delivery body. The drug dispersion body is used to store drugs. A drug pumping mechanism is provided on the inner wall of the storage cavity. The drug inlet end of the drug pumping mechanism is connected to the drug storage body, and the drug outlet end of the drug pumping structure is connected to the drug dispersion cavity, so that the drug pumping mechanism is used to transport the drug from the drug storage body to the drug dispersion cavity. A drug dispersion portion is provided on the inner wall of the drug dispersion cavity, and the drug dispersion portion is used to disperse the drug into a specific environment so that the drug delivery device completes the drug delivery process, such as the Chinese patent with patent number CN202211308615.1.

[0004] However, since the drug inlet end of the drug pump mechanism is connected to the drug storage body, and the drug outlet end of the drug pump structure is connected to the drug dispersing chamber, so that the drug pump mechanism is used to transport the drug from the drug storage body to the drug dispersing chamber, and the drug dispersing portion is used to disperse the drug to a specific environment, that is, the drug dispersing portion is used to disperse the drug in the drug dispersing chamber to a specific environment, the amount of drug transported into the drug dispersing chamber by the drug pump mechanism is difficult for the staff to know, making it difficult to control the amount of drug dispersed to the specific environment by the drug delivery device, thereby making it difficult to control the amount of drug delivered to the specific environment by the drug delivery device, and thus making it inconvenient for the drug delivery device to accurately deliver the drug to the specific environment, thereby making the drug delivery device less convenient for accurately delivering the drug to the specific environment. Utility Model Content

[0005] The purpose of the present invention is to overcome the deficiencies in the prior art and provide a drug delivery device that is convenient for accurate drug delivery in a specific environment.

[0006] The purpose of this disclosure is achieved through the following technical solutions:

[0007] A drug delivery device, comprising:

[0008] The device body is provided with a drug inlet and a receiving cavity which are connected to each other;

[0009] A cap body, which covers the drug inlet and is detachably connected to the device body; and

[0010] A dosing adjustment component comprises a dosing drive rod body and an adjustment body, wherein the dosing drive rod body is provided with a scale area and a plurality of first clamping parts, the plurality of first clamping parts are evenly spaced, each of the first clamping parts corresponds to the scale value of the scale area, the dosing drive rod body is provided with a plurality of clamping grooves, the plurality of clamping grooves are evenly spaced, one clamping groove is provided between two adjacent first clamping parts, the adjustment body is provided with a connecting groove, the inner wall of the connecting groove is provided with a second clamping part, the second clamping part is penetrated through the corresponding clamping groove and clamped with the corresponding first clamping part; when the second clamping part is clamped with the first clamping part, the connecting groove is communicated with the corresponding clamping groove; the dosing drive rod body is penetrated through the connecting groove and is rotatably connected with the adjustment body, the dosing drive rod body is also penetrated through the accommodating cavity and is slidably connected with the device body; the adjustment body is located outside the accommodating cavity, and the adjustment body abuts against the device body.

[0011] In one embodiment, the device body includes a connected drug delivery part and a accommodating cylinder, the drug delivery port is opened in the drug delivery part, the drug delivery part is also provided with a first channel, the first channel is communicated with the drug delivery port, the accommodating cylinder is provided with a second channel, the second channel is communicated with the first channel to form the accommodating cavity together; the cap body is detachably connected to at least one of the drug delivery part and the accommodating cylinder; the drug delivery drive rod body is penetrated through the second channel and is slidably connected to the accommodating cylinder, and the adjustment body is in contact with the accommodating cylinder.

[0012] In one embodiment, a first hook portion and a second hook portion are provided at one end of the accommodating cylinder away from the dosing portion, the first hook portion and the second hook portion are axially symmetrically distributed with respect to the central axis of the accommodating cylinder, and the adjusting body abuts against the first hook portion and the second hook portion respectively.

[0013] In one embodiment, the drug inlet, the accommodating cylinder, the first hook portion and the second hook portion are an integrally formed structure.

[0014] In one embodiment, the cap body is provided with a cover receiving groove, the medication inlet portion is passed through the cover receiving groove and is sleeved with the cap body.

[0015] In one embodiment, the cap body is an integrally formed structure.

[0016] In one embodiment, a push-pull portion is provided at one end of the dosing drive rod body, and the push-pull portion is located outside the accommodating cavity; a sealing portion is provided at the other end of the dosing drive rod body, and the sealing portion is located in the second channel and is slidably connected to the accommodating cylinder.

[0017] In one embodiment, the push-pull portion is welded to one end of the drug administration drive rod body, and the sealing portion is welded to the other end of the drug administration drive rod body.

[0018] In one embodiment, the cross section of each of the first clamping portions is in the shape of a rectangular square tooth.

[0019] In one embodiment, the regulating body is an integrally formed structure.

[0020] Compared with the prior art, the present invention has at least the following advantages:

[0021] 1. Since the device body is provided with a connected drug inlet and a accommodating chamber, the drug administration drive rod body is penetrated in the accommodating chamber and is slidably connected to the device body, so that the drug administration drive rod body slides relative to the device body. When the staff slides and pulls the drug administration drive rod body upward, the drug (i.e., liquid medicine) enters the accommodating chamber along the drug inlet. The accommodating chamber is used to accommodate the liquid medicine. When the liquid medicine in the accommodating chamber reaches a predetermined amount of liquid medicine, the staff stops sliding and pulling the drug administration drive rod body upward. Then, the staff rotates the regulating body so that the second clamping part penetrates in the corresponding clamping groove and is clamped in the corresponding first clamping part, so that the regulating body is clamped in the drug administration drive rod body. At this time, the regulating body abuts against the device body, so that the device body supports the regulating body, and the regulating body clamps the drug administration drive rod body, so that the device body and the regulating body work together to fix the drug administration drive rod body, so that the drug administration drive rod body is fixed, and a predetermined amount of liquid medicine is accommodated in the accommodating chamber, completing the drug administration process of the drug administration device;

[0022] 2. Since the drug administration drive rod body is provided with a scale area and a plurality of first clamping parts, each first clamping part corresponds to the scale value of the scale area, and the regulating body is clamped with the corresponding first clamping part through the second clamping part, that is, the regulating body corresponds to the scale value of the scale area. First, the staff records the scale value corresponding to the regulating body after the drug administration process, and sets it as the first scale value. Then, the staff rotates the regulating body, separates the regulating body from the device body, and separates the second clamping part from the first clamping part, so that the regulating body rotates relative to the drug administration drive rod body. When the regulating body rotates through a predetermined number of first clamping parts, the regulating body rotates through a predetermined scale value, which is set as a displacement scale value. At this time, the second clamping part is inserted into the corresponding clamping part. The groove is engaged with the corresponding first engaging portion, so that the regulating body is fixed under the action of the first engaging portion, and the staff records the scale value corresponding to the regulating body at this time, and sets it as the second scale value, and the displacement scale value is equal to the difference between the second scale value and the first scale value. Then, the staff moves the drug inlet to a specific environment, and then, the staff pushes the drug administration drive rod body downward to make the drug administration drive rod body slide downward relative to the device body, so that the drug liquid flows out to the specific environment along the accommodating cavity and the drug inlet under the action of the drug administration drive rod body. When the regulating body abuts against the device body, the staff stops pushing the drug administration drive rod body downward to stop the drug liquid in the accommodating cavity from flowing out, and the drug administration process of the drug administration device is completed;

[0023] 3. As the staff pushes the medication driving rod downward, the drug solution flows out to the specific environment along the containing cavity and the medication inlet under the action of the medication driving rod, completing the medication process. During the medication process, the amount of drug used by the medication device for the specific environment is equal to the displacement of the medication driving rod pushed downward by the staff, the displacement of the medication driving rod pushed downward by the staff is equal to the displacement of the regulating body rotating through a predetermined number of first clamping parts, the displacement of the regulating body rotating through a predetermined number of first clamping parts is equal to the displacement of the regulating body rotating through a predetermined scale value, so that the amount of drug used by the medication device for the specific environment is equal to the displacement of the regulating body rotating through a predetermined scale value, that is, the amount of drug used by the medication device for the specific environment, etc. At the displacement scale value, the displacement scale value is equal to the difference between the second scale value and the first scale value, so that the amount of medicine used by the drug delivery device for a specific environment is equal to the difference between the second scale value and the first scale value, so that the amount of medicine used by the drug delivery drive rod and the regulating body to deliver the medicine to the specific environment is easier for the staff to know, that is, the amount of medicine used by the drug delivery device for a specific environment is easier for the staff to know, so that the amount of medicine used by the drug delivery device to the specific environment is easier to control, so that the amount of medicine used by the drug delivery device to the specific environment is easier to control, which is beneficial to the precise drug delivery of the drug delivery device to the specific environment, and thus makes the precise drug delivery of the drug delivery device to the specific environment more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present disclosure and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 is a schematic structural diagram of a drug delivery device according to an embodiment;

[0026] Figure 2 for Figure 1 An enlarged schematic diagram of the drug delivery device at point A shown;

[0027] Figure 3 for Figure 1 A schematic diagram of a three-dimensional exploded structure of a drug delivery device shown;

[0028] Figure 4 for Figure 3 A schematic structural diagram of a device body of the drug delivery device shown;

[0029] Figure 5 for Figure 4 A sectional view taken along line BB in the main body of the device shown;

[0030] Figure 6 It is a schematic exploded perspective view of a drug delivery device according to another embodiment. DETAILED DESCRIPTION

[0031] In order to facilitate the understanding of the present disclosure, the present disclosure will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present disclosure are given in the drawings. However, the present disclosure can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present disclosure more thoroughly and comprehensively understood.

[0032] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0033] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present disclosure. The terms used herein in the specification of the present disclosure are only for the purpose of describing specific embodiments and are not intended to limit the present disclosure. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0034] like Figures 1 to 6 As shown, a drug delivery device 10 of an embodiment includes a device body 100, a cap body 200 and a drug delivery adjustment assembly 300; the device body 100 is provided with a connected drug delivery port 111 and a accommodating chamber 1121; the cap body 200 is covered on the drug delivery port 111 and is detachably connected to the device body 100; the drug delivery adjustment assembly 300 includes a drug delivery drive rod body 310 and an adjustment body 320, the drug delivery drive rod body 310 is provided with a scale area 311 and a plurality of first clamping parts 312, the plurality of first clamping parts 312 are evenly spaced, each first clamping part 312 corresponds to the scale value of the scale area 311, the drug delivery drive rod body 310 is provided with a plurality of clamping grooves 313, the plurality of clamping grooves 313 are evenly spaced, and two adjacent A clamping groove 313 is provided between the first clamping parts 312, and a connecting groove 321 is provided on the adjusting body 320. The inner wall of the connecting groove 321 is provided with a second clamping part 3211, and the second clamping part 3211 is penetrated through the corresponding clamping groove 313 and clamped with the corresponding first clamping part 312; when the second clamping part 3211 is clamped with the first clamping part 312, the connecting groove 321 is communicated with the corresponding clamping groove 313; the dosing drive rod body 310 is penetrated through the connecting groove 321 and is rotatably connected with the adjusting body 320, and the dosing drive rod body 310 is also penetrated through the accommodating cavity 1121 and is slidably connected with the device body 100; the adjusting body 320 is located outside the accommodating cavity 1121, and the adjusting body 320 is abutted against the device body 100.

[0035] In this embodiment, the drug administration drive rod body 310 is provided in the accommodating chamber 1121 and is slidably connected to the device body 100, so that the drug administration drive rod body 310 slides relative to the device body 100. The accommodating chamber 1121 is used to accommodate medicine (i.e., liquid medicine). The drug administration drive rod body 310 is provided in the connecting groove 321 and is rotatably connected to the regulating body 320, so that the regulating body 320 rotates relative to the drug administration drive rod body 310. The drug administration drive rod body 310 is provided with a scale area 311 and a plurality of first clamping portions 312, each of which corresponds to the scale value of the scale area 311, and the regulating body 320 is clamped with the corresponding first clamping portion 312 through the second clamping portion 3211, that is, the regulating body 320 corresponds to the scale value of the scale area 311.

[0036] In the drug delivery device 10, since the device body 100 is provided with a connected drug delivery port 111 and a receiving chamber 1121, the drug delivery drive rod body 310 is passed through the receiving chamber 1121 and is slidably connected to the device body 100, so that the drug delivery drive rod body 310 slides relative to the device body 100. When the staff slides and pulls the drug delivery drive rod body 310 upward, the drug (i.e., liquid medicine) enters the receiving chamber 1121 along the drug delivery port 111. The receiving chamber 1121 is used to receive liquid medicine. When the liquid medicine in the receiving chamber 1121 reaches a predetermined amount of liquid medicine, the staff stops sliding and pulling the drug delivery drive rod body 310 upward, and then the staff The operator rotates the adjusting body 320 so that the second clamping portion 3211 penetrates the corresponding clamping groove 313 and clamps with the corresponding first clamping portion 312, so that the adjusting body 320 is clamped with the drug delivery drive rod body 310. At this time, the adjusting body 320 abuts against the device body 100, so that the device body 100 supports the adjusting body 320, and the adjusting body 320 clamps the drug delivery drive rod body 310, so that the device body 100 and the adjusting body 320 work together to fix the drug delivery drive rod body 310, so that the drug delivery drive rod body 310 is fixed, and a predetermined amount of liquid medicine is contained in the accommodating cavity 1121, and the drug delivery process of the drug delivery device 10 is completed;

[0037] Since the drug administration drive rod body 310 is provided with a scale area 311 and a plurality of first clamping parts 312, each first clamping part 312 corresponds to the scale value of the scale area 311, and the regulating body 320 is clamped with the corresponding first clamping part 312 through the second clamping part 3211, that is, the regulating body 320 corresponds to the scale value of the scale area 311. First, the staff records the scale value corresponding to the regulating body 320 after the drug administration process and sets it as the first scale value. Then, the staff rotates the regulating body 320, and the regulating body 320 is separated from the device main body 100, and at the same time, the second clamping part 3211 is separated from the first clamping part 312, so that the regulating body 320 rotates relative to the drug administration drive rod body 310. When the regulating body 320 rotates through a predetermined number of first clamping parts 312, the regulating body 320 rotates through a predetermined scale value, which is set as a displacement scale value. At this time, the second clamping part 3211 The first clamping portion 312 is inserted into the corresponding clamping groove 313 and is clamped with the corresponding first clamping portion 312, so that the adjusting body 320 is fixed under the action of the first clamping portion 312. The staff records the scale value corresponding to the adjusting body 320 at this time and sets it as the second scale value. The displacement scale value is equal to the difference between the second scale value and the first scale value. Then, the staff moves the drug inlet 111 to a specific environment. Then, the staff pushes the drug administration drive rod body 310 downward to make the drug administration drive rod body 310 slide downward relative to the device body 100, so that the drug solution flows out to the specific environment along the accommodating cavity 1121 and the drug inlet 111 under the action of the drug administration drive rod body 310. When the adjusting body 320 abuts against the device body 100, the staff stops pushing the drug administration drive rod body 310 downward to stop the drug solution in the accommodating cavity 1121 from flowing out, thus completing the drug administration process of the drug administration device 10.

[0038] As the staff pushes the drug administration drive rod 310 downward, the drug solution flows out to a specific environment along the accommodating cavity 1121 and the drug inlet 111 under the action of the drug administration drive rod 310, completing the drug administration process. During the drug administration process, the drug administration device 10 is used to administer a drug to a specific environment in an amount equal to the displacement of the drug administration drive rod 310 when the staff pushes the drug administration drive rod 310 downward. The displacement of the drug administration drive rod 310 when the staff pushes the drug administration drive rod 310 downward is equal to the displacement of the regulating body 320 rotating through a predetermined number of first clamping portions 312. The displacement of the regulating body 320 rotating through a predetermined number of first clamping portions 312 is equal to the displacement of the regulating body 320 rotating through a predetermined scale value, so that the drug administration device 10 is used to administer a drug to a specific environment in an amount equal to the displacement of the regulating body 320 rotating through a predetermined scale value, that is, the drug administration device 10 is used to administer a drug to a specific environment in an amount equal to the displacement of the regulating body 320 rotating through a predetermined scale value. The amount of medicine for a specific environment is equal to the displacement scale value, and the displacement scale value is equal to the difference between the second scale value and the first scale value, so that the amount of medicine used by the drug delivery device 10 for a specific environment is equal to the difference between the second scale value and the first scale value, so that the amount of medicine used by the drug delivery drive rod 310 and the adjustment body 320 to deliver the medicine to the specific environment is easier to be known by the staff, that is, the amount of medicine used by the drug delivery device 10 for a specific environment is easier to be known by the staff, so that the amount of medicine used by the drug delivery device 10 to the specific environment is easier to control, so that the amount of medicine used by the drug delivery device 10 to disperse the medicine to the specific environment is easier to control, which is beneficial to the precise drug delivery of the drug delivery device 10 to the specific environment, and thus makes the precise drug delivery of the drug delivery device 10 to the specific environment more convenient.

[0039] like Figure 1 , Figures 3 to 6 As shown, in one embodiment, the device body 100 includes a dosing inlet 110 and a accommodating cylinder 120 connected to each other, a dosing port 111 is opened in the dosing inlet 110, and the dosing inlet 110 is also provided with a first channel 112, the first channel 112 is connected with the dosing port 111, and the accommodating cylinder 120 is provided with a second channel 121, and the second channel 121 is connected with the first channel 112 to form a accommodating cavity 1121; the cap body 200 is detachably connected to at least one of the dosing inlet 110 and the accommodating cylinder 120; the dosing drive rod body 310 is penetrated by the second channel 121 and is slidably connected with the accommodating cylinder 120, and the adjusting body 320 is in contact with the accommodating cylinder 120.

[0040] like Figure 1 , Figures 3 to 6 As shown, in one embodiment, a first hook portion 122 and a second hook portion 123 are provided at one end of the accommodating cylinder 120 away from the dosing portion 110, and the first hook portion 122 and the second hook portion 123 are axially symmetrically distributed with respect to the central axis of the accommodating cylinder 120, and the adjusting body 320 abuts against the first hook portion 122 and the second hook portion 123 respectively.

[0041] like Figure 1 , Figures 3 to 6 As shown, in one embodiment, the drug inlet 110, the accommodating cylinder 120, the first hook portion 122 and the second hook portion 123 are an integrally formed structure, so that the structural strength of the device body 100 is relatively high.

[0042] like Figure 1 , Figure 3 and Figure 6 As shown, in one embodiment, the cap body 200 is provided with a receiving cap groove 210, and the medication inlet 110 is inserted into the receiving cap groove 210 and sleeved with the cap body 200, so that the cap body 200 and the medication inlet 110 are detachably connected.

[0043] In one embodiment, the cap body 200 is an integrally formed structure, so that the cap body 200 has a higher structural strength.

[0044] like Figure 1 , Figure 3 and Figure 6 As shown, in one embodiment, a push-pull portion 314 is provided at one end of the dosing drive rod body 310, and the push-pull portion 314 is located outside the accommodating cavity 1121; a sealing portion 315 is provided at the other end of the dosing drive rod body 310, and the sealing portion 315 is located in the second channel 121 and is slidably connected to the accommodating cylinder 120.

[0045] like Figure 3 As shown, in one embodiment, the push-pull portion 314 is welded to one end of the dosing drive rod body 310, so that the connection strength between the push-pull portion 314 and the dosing drive rod body 310 is higher; the sealing portion 315 is welded to the other end of the dosing drive rod body 310, so that the connection strength between the sealing portion 315 and the dosing drive rod body 310 is higher.

[0046] like Figure 1 , Figure 3 and Figure 6 As shown, in one embodiment, the cross section of each first clamping portion 312 is in the shape of a rectangular square tooth.

[0047] In one embodiment, the adjusting body 320 is an integrally formed structure, so that the structural strength of the adjusting body 320 is relatively high.

[0048] Compared with the prior art, the present invention has at least the following advantages:

[0049] 1. Since the device body 100 is provided with a connected drug inlet 111 and a receiving chamber 1121, the drug administration drive rod body 310 is inserted into the receiving chamber 1121 and is slidably connected to the device body 100, so that the drug administration drive rod body 310 slides relative to the device body 100. When the staff slides and pulls the drug administration drive rod body 310 upward, the drug (i.e., liquid medicine) enters the receiving chamber 1121 along the drug inlet 111. The receiving chamber 1121 is used to receive liquid medicine. When the liquid medicine in the receiving chamber 1121 reaches a predetermined amount of liquid medicine, the staff stops sliding and pulling the drug administration drive rod body 310 upward, and then the staff turns The regulating body 320 is moved so that the second clamping portion 3211 is inserted into the corresponding clamping groove 313 and clamped with the corresponding first clamping portion 312, so that the regulating body 320 is clamped with the drug delivery drive rod body 310. At this time, the regulating body 320 is in contact with the device body 100, so that the device body 100 supports the regulating body 320, and the regulating body 320 clamps the drug delivery drive rod body 310, so that the device body 100 and the regulating body 320 work together to fix the drug delivery drive rod body 310, so that the drug delivery drive rod body 310 is fixed, and a predetermined amount of liquid medicine is contained in the accommodating cavity 1121, and the drug delivery process of the drug delivery device 10 is completed;

[0050] 2. Since the drug administration drive rod body 310 is provided with a scale area 311 and a plurality of first clamping parts 312, each first clamping part 312 corresponds to the scale value of the scale area 311, and the regulating body 320 is clamped with the corresponding first clamping part 312 through the second clamping part 3211, that is, the regulating body 320 corresponds to the scale value of the scale area 311. First, the staff records the scale value corresponding to the regulating body 320 after the drug administration process, and sets it as the first scale value. Then, the staff rotates the regulating body 320, and the regulating body 320 is separated from the device main body 100, and at the same time, the second clamping part 3211 is separated from the first clamping part 312, so that the regulating body 320 rotates relative to the drug administration drive rod body 310. When the regulating body 320 rotates through a predetermined number of first clamping parts 312, the regulating body 320 rotates through a predetermined scale value, which is set as a displacement scale value. At this time, the second clamping part 321 The first clamping portion 312 is provided to be inserted into the corresponding clamping groove 313 and is clamped with the corresponding first clamping portion 312, so that the adjusting body 320 is fixed under the action of the first clamping portion 312, and the staff records the scale value corresponding to the adjusting body 320 at this time, and sets it as the second scale value, and the displacement scale value is equal to the difference between the second scale value and the first scale value. Then, the staff moves the drug inlet 111 to a specific environment, and then the staff pushes the drug administration drive rod body 310 downward to make the drug administration drive rod body 310 slide downward relative to the device body 100, so that the drug solution flows out to the specific environment along the accommodating cavity 1121 and the drug inlet 111 under the action of the drug administration drive rod body 310. When the adjusting body 320 abuts against the device body 100, the staff stops pushing the drug administration drive rod body 310 downward to stop the drug solution in the accommodating cavity 1121 from flowing out, and the drug administration process of the drug administration device 10 is completed;

[0051] 3. As the staff pushes the drug administration drive rod 310 downward, the drug solution flows out to the specific environment along the accommodating cavity 1121 and the drug inlet 111 under the action of the drug administration drive rod 310, completing the drug administration process. During the drug administration process, the drug administration device 10 is used to administer the drug to the specific environment in an amount equal to the displacement of the drug administration drive rod 310 pushed downward by the staff. The displacement of the drug administration drive rod 310 pushed downward by the staff is equal to the displacement of the regulating body 320 rotating through a predetermined number of first clamping portions 312. The displacement of the regulating body 320 rotating through a predetermined number of first clamping portions 312 is equal to the displacement of the regulating body 320 rotating through a predetermined scale value, so that the drug administration device 10 is used to administer the drug to the specific environment in an amount equal to the displacement of the regulating body 320 rotating through a predetermined scale value, that is, the drug administration device 10 The amount of medicine for a specific environment is equal to the displacement scale value, and the displacement scale value is equal to the difference between the second scale value and the first scale value, so that the amount of medicine for a specific environment used by the drug delivery device 10 is equal to the difference between the second scale value and the first scale value, so that the amount of medicine used by the drug delivery drive rod 310 and the adjustment body 320 to deliver the medicine to the specific environment is easier to be known by the staff, that is, the amount of medicine for a specific environment used by the drug delivery device 10 is easier to be known by the staff, so that the amount of medicine distributed to the specific environment by the drug delivery device 10 is easier to control, so that the amount of medicine distributed to the specific environment by the drug delivery device 10 is easier to control, which is beneficial to the precise drug delivery of the drug delivery device 10 to the specific environment, and thus makes the precise drug delivery of the drug delivery device 10 to the specific environment more convenient.

[0052] The above-mentioned embodiments only express several implementation methods of the present disclosure, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the disclosed patent. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present disclosure, and these all belong to the protection scope of the present disclosure. Therefore, the protection scope of the disclosed patent shall be subject to the attached claims.

Claims

1. A drug delivery device, characterized in that: include: The device body is provided with a drug inlet and a receiving cavity which are connected to each other; A cap body, which covers the drug inlet and is detachably connected to the device body; and A dosing adjustment component comprises a dosing drive rod body and an adjustment body, wherein the dosing drive rod body is provided with a scale area and a plurality of first clamping parts, the plurality of first clamping parts are evenly spaced, each of the first clamping parts corresponds to the scale value of the scale area, the dosing drive rod body is provided with a plurality of clamping grooves, the plurality of clamping grooves are evenly spaced, one clamping groove is provided between two adjacent first clamping parts, the adjustment body is provided with a connecting groove, the inner wall of the connecting groove is provided with a second clamping part, the second clamping part is penetrated through the corresponding clamping groove and clamped with the corresponding first clamping part; when the second clamping part is clamped with the first clamping part, the connecting groove is communicated with the corresponding clamping groove; the dosing drive rod body is penetrated through the connecting groove and is rotatably connected with the adjustment body, the dosing drive rod body is also penetrated through the accommodating cavity and is slidably connected with the device body; the adjustment body is located outside the accommodating cavity, and the adjustment body abuts against the device body.

2. The drug delivery device according to claim 1, characterized in that: The device body includes a connected drug delivery part and a accommodating cylinder, the drug delivery port is opened in the drug delivery part, the drug delivery part is also provided with a first channel, the first channel is communicated with the drug delivery port, the accommodating cylinder is provided with a second channel, the second channel is communicated with the first channel to form the accommodating cavity together; the cap body is detachably connected to at least one of the drug delivery part and the accommodating cylinder; the drug delivery drive rod body is penetrated through the second channel and is slidably connected with the accommodating cylinder, and the adjustment body is in contact with the accommodating cylinder.

3. The drug delivery device according to claim 2, characterized in that: A first hook portion and a second hook portion are provided at one end of the accommodating cylinder away from the dosing portion. The first hook portion and the second hook portion are axially symmetrically distributed with respect to the central axis of the accommodating cylinder. The regulating body abuts against the first hook portion and the second hook portion respectively.

4. The drug delivery device according to claim 3, characterized in that: The drug inlet, the accommodating cylinder, the first hook portion and the second hook portion are an integrally formed structure.

5. The drug delivery device according to claim 2, characterized in that: The cap body is provided with a cover receiving groove, and the medication inlet portion is passed through the cover receiving groove and sleeved with the cap body.

6. The drug delivery device according to claim 1, characterized in that: The cap body is an integrally formed structure.

7. The drug delivery device according to claim 2, characterized in that: A push-pull portion is disposed at one end of the drug administration drive rod body, and the push-pull portion is located outside the accommodating cavity; a sealing portion is disposed at the other end of the drug administration drive rod body, and the sealing portion is located in the second channel and is slidably connected to the accommodating cylinder.

8. The drug delivery device according to claim 7, characterized in that: The push-pull portion is welded to one end of the drug administration drive rod body, and the sealing portion is welded to the other end of the drug administration drive rod body.

9. The drug delivery device according to claim 1, characterized in that: The cross section of each of the first clamping portions is in the shape of a rectangular square tooth.

10. The drug delivery device according to claim 1, characterized in that: The regulating body is an integrally formed structure.

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