CN213789348U - Medical anesthetic dosing device - Google Patents
Medical anesthetic dosing device Download PDFInfo
- Publication number
- CN213789348U CN213789348U CN202021773729.XU CN202021773729U CN213789348U CN 213789348 U CN213789348 U CN 213789348U CN 202021773729 U CN202021773729 U CN 202021773729U CN 213789348 U CN213789348 U CN 213789348U
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- Prior art keywords
- shell
- servo motor
- cavity
- key
- switch
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- 230000003444 anaesthetic effect Effects 0.000 title claims abstract description 26
- 238000002347 injection Methods 0.000 claims abstract description 37
- 239000007924 injection Substances 0.000 claims abstract description 37
- 239000003814 drug Substances 0.000 claims abstract description 18
- 239000003193 general anesthetic agent Substances 0.000 claims description 4
- 229940079593 drug Drugs 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 206010002091 Anaesthesia Diseases 0.000 description 5
- 230000037005 anaesthesia Effects 0.000 description 5
- 230000036407 pain Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 206010010071 Coma Diseases 0.000 description 1
- 206010033799 Paralysis Diseases 0.000 description 1
- 206010040030 Sensory loss Diseases 0.000 description 1
- 210000003169 central nervous system Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009454 functional inhibition Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000862 numbness Toxicity 0.000 description 1
- 210000001428 peripheral nervous system Anatomy 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a medical anesthetic dosing device, relating to the technical field of anesthetic equipment and comprising an injection needle, a shell, an automatic control device, a servo motor, a connecting rod, a ball screw device, a piston block, a handle, a switch and a flexible plug; one end of the shell is detachably connected with an injection needle, a servo motor is arranged in a placing groove on the shell, the top of the shell is connected with an automatic control device, the bottom of the shell is connected with a handle, the handle is connected with a switch, and the automatic control device is respectively and electrically connected with the servo motor and the switch; be equipped with medicament chamber and cavity in the casing, casing one end is equipped with first through-hole, and the syringe needle runs through first through-hole and is connected with the medicament chamber, and the medicament intracavity is equipped with the piston piece, and piston piece bottom is connected with flexible stopper, is equipped with the ball screw device in the cavity, and servo motor passes through the ball screw device with the piston piece and is connected, the utility model discloses the enhancement control injection volume effect, convenient to use, repeatedly usable.
Description
Technical Field
The utility model relates to an anesthesia equipment technical field, concretely relates to medical anesthetic dosing unit.
Background
At present, it is generally accepted that anesthesia is a reversible functional inhibition of the central and peripheral nervous systems, produced by drugs or other means, which inhibition is characterized primarily by loss of sensation, particularly pain; as the name suggests, anesthesia is numbness paralysis, and drunkenness is coma. Therefore, anesthesia means that a patient temporarily loses sensation in whole or part by using a medicine or other methods to perform surgical treatment for the purpose of no pain; anesthesiology is a science that applies basic theory, clinical knowledge and technology related to anesthesia to eliminate operation pain of patients, ensure the safety of patients and create good conditions for operations. However, the existing anesthetic injection mainly depends on the manual operation of an injector by medical staff, and the amount of the anesthetic can be measured only once before injection, but the actual situation may be that a patient needs to take multiple doses, and serious overdose or insufficient injection amount may cause danger to the life safety of the patient in the operation process.
Disclosure of Invention
The utility model provides a medical anesthetic dosing unit to above-mentioned problem, solved the problem that can not the ration inject when dosing many times.
The utility model adopts the technical proposal that: comprises an injection needle, a shell, an automatic control device, a servo motor, a connecting rod, a ball screw device, a piston block, a rotating shaft, a handle, a switch and a flexible plug;
one end of the shell is connected with an injection needle which is detachably connected with the shell, the other end of the shell is provided with a placing groove, a servo motor is arranged in the placing groove, the top of the shell is connected with an automatic control device, the bottom of the shell is connected with a handle, the handle is connected with a switch, and the automatic control device is respectively and electrically connected with the servo motor and the switch;
a medicament cavity and a cavity are arranged in the shell, a first through hole is formed in one end of the shell, the injection needle penetrates through the first through hole and is connected with the medicament cavity, a piston block is arranged in the medicament cavity, the bottom of the piston block is connected with a flexible plug, a ball screw device is arranged in the cavity, and the servo motor is connected with the piston block through the ball screw device;
the ball screw device comprises a screw, a nut component and a connecting rod; the lead screw is externally provided with a nut assembly, the nut assembly is connected with two connecting rods, the two connecting rods are symmetrically arranged, the bottom of the cavity is provided with a second through hole matched with the connecting rods, the connecting rods penetrate through the second through hole and are connected with the piston block, the bottom of the lead screw is connected with a rotating shaft, the bottom of the cavity is provided with a placing groove, a bearing is arranged in the placing groove, the rotating shaft is installed at the bottom of the cavity through the bearing, and the top of the lead screw is connected with an output shaft of a servo motor.
Further, the automatic control device comprises a power supply system and a single chip microcomputer; the power supply system is electrically connected with the single chip microcomputer, and the single chip microcomputer is electrically connected with the servo motor and the switch respectively.
Furthermore, a display screen, a first key, a second key and a round key are respectively arranged on one side of the shell, and the display screen, the first key, the second key and the round key are electrically connected with the single chip microcomputer.
Furthermore, both sides of the nut component are connected with connecting blocks, and the connecting blocks are connected with connecting rods.
Furthermore, the medicament cavity, the piston block and the flexible plug are all cylindrical structures.
The utility model has the advantages that:
the utility model provides a medical anesthetic dosing device, which can be used repeatedly by detachably connecting an injection needle with a shell, can control the injection of anesthetic by a switch connected on a handle, can accurately control the movement distance of a piston by a ball screw device and a servo motor controlled by a singlechip so as to control the injection amount, can control the rotating speed and the number of turns of the servo motor by the singlechip, and can be used portably by a rechargeable battery in a power supply system; the injection amount can be input and displayed on the display screen by pressing the first key and the second key, so that a simple and visual effect can be achieved; the utility model discloses the reinforcing control injection volume effect, convenient to use, repeatedly usable.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic sectional view of the overall structure of the present invention;
fig. 3 is a partial enlarged view of the nut assembly of the present invention.
Reference numerals:
1-injection needle, 2-shell, 3-automatic control device, 4-servo motor, 5-display screen, 6-first button, 7-second button, 8-nut component, 9-connecting rod, 10-medicament cavity, 11-piston block, 12-lead screw, 13-cavity, 14-rotating shaft, 15-handle, 16-switch, 17-flexible plug, 18-connecting block and 19-round button.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 to 3, a medical anesthetic dosing device includes an injection needle 1, a housing 2, an automatic control device 3, a servo motor 4, a connecting rod 9, a ball screw device, a piston block 11, a rotating shaft 14, a grip 15, a switch 16, and a flexible plug 17;
one end of the shell 2 is connected with a syringe needle 1, the syringe needle 1 is detachably connected with the shell 2, and is used for replacing the syringe needle 1, in order to ensure the sanitation and reduce the cost, the other end of the shell 2 is provided with a placing groove, a servo motor 4 is arranged in the placing groove, the top of the shell 2 is connected with an automatic control device 3, the bottom of the shell 2 is connected with a handle 15, the handle 15 is connected with a switch 16, a single chip microcomputer in the automatic control device 3 is respectively electrically connected with the servo motor 4 and the switch 16, the single chip microcomputer controls the rotating speed and the number of turns of the servo motor 4 through controlling voltage, and the switch 16 controls the starting of the servo motor 4;
a medicament cavity 10 and a cavity 13 are arranged in the shell 2, a first through hole is arranged at one end of the shell 2, the injection needle 1 penetrates through the first through hole to be connected with the medicament cavity 10, a piston block 11 is arranged in the medicament cavity 10, the bottom of the piston block 11 is connected with a flexible plug 17 for preventing the leakage of anesthetic and pushing the anesthetic to enter the human body through the injection needle, a ball screw device is arranged in the cavity 13 and used for accurately controlling the propelling distance and the propelling speed of the piston block 11, and the servo motor 4 is connected with the piston block 11 through the ball screw device;
the ball screw device comprises a screw 12, a nut component 8 and a connecting rod 9; a nut component 8 is arranged outside the screw rod 12, the nut component 8 is connected with two connecting rods 9, the two connecting rods 9 are symmetrically arranged, a second through hole matched with the connecting rod 9 is formed in the bottom of the cavity 13, the connecting rod 9 penetrates through the second through hole to be connected with the piston block 11, a rotating shaft 14 is connected to the bottom of the screw rod 12, a placing groove is formed in the bottom of the cavity 13, a bearing is arranged in the placing groove, the rotating shaft 14 is installed at the bottom of the cavity 13 through the bearing and used for reducing resistance when the screw rod 12 rotates, so that the screw rod 12 can freely rotate, the top of the screw rod 12 is connected with an output shaft of the servo motor 4 and used for driving the screw rod 12 to rotate so as to enable the piston block 11 to move;
the automatic control device 3 comprises a placing shell, a power supply system and a singlechip; the power supply system and the single chip microcomputer are arranged in the placing shell, the placing shell is connected with the shell and provided with wire holes corresponding to all the power utilization units, the single chip microcomputer records a matched control program, the power supply system is a rechargeable battery, and the placing shell is provided with a charging hole; the device comprises a rechargeable battery, a charging hole, a display screen 5, a first key 6, a second key 7 and a circular key 19, wherein the display screen 5, the first key 6, the second key 7 and the circular key 19 are arranged on one side of a shell 2 respectively and electrically connected with a single chip microcomputer, the input end of the single chip microcomputer is connected with the first key 6 and the second key 7, the first key 6 is used for increasing the injection amount by 0.1 ml, the second key 7 is used for reducing the injection amount by 0.1 ml, the number of turns of a servo motor 4 is adjusted to adjust the injection amount after calculation of a control program in the single chip microcomputer, the circular key 19 can be pressed to adjust the inhalation amount of anesthetic, the circular key 19 is pressed for a long time to enter an inhalation mode, the circular key 19 is pressed for a short time to enter an injection mode, and the screen output end of the single chip microcomputer is connected with the display screen 5 and used for displaying the adjusted injection amount; the power supply system is electrically connected with the single chip microcomputer and used for supplying power to the single chip microcomputer, the single chip microcomputer supplies power and controls each power utilization unit after running calculation of a control program, the single chip microcomputer is electrically connected with the servo motor 4 and the switch 16 respectively, a rechargeable battery in the power supply system supplies power to the single chip microcomputer, the output end of the single chip microcomputer is connected with the servo motor 4 through the switch 16 and used for controlling the rotating speed and the number of turns of the servo motor 4, the switch is used for starting the servo motor 4, and a matched charging plug is inserted into a charging hole in the power supply system to charge the rechargeable battery when charging is needed;
the two sides of the nut component 8 are both connected with connecting blocks 18, and the connecting blocks 18 are connected with the connecting rods 9 and used for improving the connecting stability of the connecting rods 9;
the medicament cavity 10, the piston block 11 and the flexible plug 17 are all in cylindrical structures and are used for preventing the leakage of anesthetic.
The utility model discloses a concrete working method as follows:
firstly, setting a current inhalation mode by short pressing of a circular key 19, then pressing a first key 6 and a second key 7 to adjust the amount of the inhaled anesthetic, displaying the number of the amount of the anesthetic and the current mode on a display screen 5, putting the needle into the anesthetic, and then pressing a switch to carry out an inhalation process, wherein the inhalation process is realized by controlling an output shaft of a servo motor 4 to rotate to drive a lead screw 12 to rotate after calculation by a singlechip, so that a nut component 8 drives a flexible plug 17 to move through a connecting rod 9 and a piston block 11 to cause pressure difference, the anesthetic is inhaled by utilizing the pressure difference, the speed is higher than that during injection when the anesthetic is inhaled, and the rotation speed of the servo motor 4 is adjusted by the singlechip;
then long press circular button 19 to set for the current injection mode, press first button 6 and second button 7 again and adjust the anesthetic agent volume of injection, the digit and the current mode of anesthetic agent volume can show on display screen 5, insert the syringe needle and carry out the injection process by patient's internal press switch, the injection process is that the output shaft counter-rotation of singlechip control servo motor 4 after calculating drives lead screw 12 and rotates, thereby make nut component 8 pass through connecting rod 9 and piston block 11 promotion flexible stopper 17 counter motion and extrude the anesthetic agent and get into the patient through syringe needle 1 internal.
The utility model provides a medical anesthetic dosing device, which can be used repeatedly by detachably connecting an injection needle with a shell, can control the injection of anesthetic by a switch connected on a handle, can accurately control the movement distance of a piston by a ball screw device and a servo motor controlled by a singlechip so as to control the injection amount, can control the rotating speed and the number of turns of the servo motor by the singlechip, and can be used portably by a rechargeable battery in a power supply system; the injection amount can be input and displayed on the display screen by pressing the first key and the second key, so that a simple and visual effect can be achieved; the utility model discloses the reinforcing control injection volume effect, convenient to use, repeatedly usable.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (5)
1. A medical anesthetic dosing device is characterized by comprising an injection needle (1), a shell (2), an automatic control device (3), a servo motor (4), a connecting rod (9), a ball screw device, a piston block (11), a rotating shaft (14), a handle (15), a switch (16) and a flexible plug (17);
one end of the shell (2) is connected with an injection needle (1), the injection needle (1) is detachably connected with the shell (2), the other end of the shell (2) is provided with a placing groove, a servo motor (4) is arranged in the placing groove, the top of the shell (2) is connected with an automatic control device (3), the bottom of the shell (2) is connected with a handle (15), the handle (15) is connected with a switch (16), and the automatic control device (3) is respectively and electrically connected with the servo motor (4) and the switch (16);
a medicament cavity (10) and a cavity (13) are arranged in the shell (2), a first through hole is formed in one end of the shell (2), the injection needle (1) penetrates through the first through hole to be connected with the medicament cavity (10), a piston block (11) is arranged in the medicament cavity (10), the bottom of the piston block (11) is connected with a flexible plug (17), a ball screw device is arranged in the cavity (13), and the servo motor (4) is connected with the piston block (11) through the ball screw device;
the ball screw device comprises a screw (12), a nut component (8) and a connecting rod (9); screw rod (12) are equipped with nut assembly (8) outward, nut assembly (8) are connected with two connecting rods (9), two connecting rods (9) symmetry sets up, cavity (13) bottom is equipped with the second through-hole with connecting rod (9) matched with, connecting rod (9) run through the second through-hole and are connected with piston block (11), screw rod (12) bottom is connected with pivot (14), cavity (13) bottom is equipped with the standing groove, be equipped with the bearing in the standing groove, pivot (14) are installed in cavity (13) bottom through the bearing, screw rod (12) top is connected with the output shaft of servo motor (4).
2. The medical anesthetic agent dosing device according to claim 1, wherein the automatic control device (3) comprises a power supply system, a single chip microcomputer; the power supply system is electrically connected with the single chip microcomputer, and the single chip microcomputer is electrically connected with the servo motor (4) and the switch (16) respectively.
3. The medical anesthetic dosing device of claim 2, wherein a display screen (5), a first key (6), a second key (7) and a circular key (19) are respectively arranged on one side of the housing (2), and the display screen (5), the first key (6), the second key (7) and the circular key (19) are electrically connected with the single chip microcomputer.
4. The medical anesthetic dosing device according to claim 1, characterized in that a connecting block (18) is connected to both sides of the nut member (8), the connecting block (18) being connected to the connecting rod (9).
5. The medical anesthetic dosing device according to claim 1, characterized in that the medication chamber (10), the piston block (11) and the flexible plug (17) are all cylindrical in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021773729.XU CN213789348U (en) | 2020-08-24 | 2020-08-24 | Medical anesthetic dosing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021773729.XU CN213789348U (en) | 2020-08-24 | 2020-08-24 | Medical anesthetic dosing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213789348U true CN213789348U (en) | 2021-07-27 |
Family
ID=76951761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021773729.XU Expired - Fee Related CN213789348U (en) | 2020-08-24 | 2020-08-24 | Medical anesthetic dosing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213789348U (en) |
-
2020
- 2020-08-24 CN CN202021773729.XU patent/CN213789348U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210727 |