Anesthesia device with anesthetic concentration adjustment

Abstract

The present application relates to the technical field of medical apparatus and instruments, in particular to an anesthesia device with adjustable anesthesia concentration, which comprises a dosator, a proportional regulator and a mixer, the dosator comprises a first chamber and a second chamber, a piston is slidably arranged in each of the first chamber and the second chamber, and a liquid suction cavity is formed by cooperation of the piston, the proportional regulator comprises a mounting seat and two oppositely arranged conical rollers, the two conical rollers are rotatably arranged in the mounting seat, the two conical rollers are threadedly connected with two threaded rods respectively, and the two conical rollers are drivingly connected through a conical ring; a mounting frame is arranged at the lower end of the dosator, the mixer is detachably arranged on the mounting frame, and the first chamber and the second chamber are communicated with the mixer through discharge check valves. The present application realizes accurate and synchronous control of the stroke of the two pistons through a spiral transmission mechanism composed of the double conical rollers and the threaded rods, and realizes linear adjustment of the volume ratio of the two anesthetics through the adjustment mechanism of the conical ring and the two double conical rollers.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical devices, in particular to an anesthesia device with adjustable anesthesia concentration. BACKGROUND

[0002] In the field of anesthetic medicine, precise control of anesthetic drug concentration is a core requirement to ensure surgical safety. In the prior art, the concentration of anesthetics is often adjusted manually by medical personnel, for example, by manually mixing anesthetics and diluent through a syringe. This method is not only inefficient, but also prone to concentration deviation due to human error, which poses a safety hazard. In addition, the anesthetics and diluent are difficult to quickly and uniformly mix during manual mixing, and uneven mixing can lead to local over-concentration or under-concentration, directly affecting the anesthetic effect, and even causing risks such as patient awakening during surgery or metabolic disorders.

[0003] Therefore, it is necessary to improve the prior art. SUMMARY

[0004] In order to overcome the deficiencies in the prior art, an anesthesia device with adjustable anesthesia concentration is provided, which can accurately achieve anesthesia concentration matching.

[0005] In order to solve the above technical problems, the technical scheme adopted by the present application is as follows:

[0006] An anesthesia device with adjustable anesthesia concentration, comprising a dosing device, a proportional regulator and a mixer, the dosing device comprising a first chamber and a second chamber, a piston being slidably arranged in each of the first chamber and the second chamber and cooperating with the piston to form a liquid suction cavity, and a threaded rod being fixedly connected to each piston, two one-way liquid inlet ports being provided on the dosing device, and the two one-way liquid inlet ports corresponding one-to-one to the liquid suction cavities of the first chamber and the second chamber;

[0007] The proportional regulator is arranged at the open end of the dosing device, the proportional regulator comprising a mounting seat and two oppositely arranged conical rollers, the two conical rollers being rotatably arranged in the mounting seat, the two conical rollers being threadedly engaged with the two threaded rods, and the two conical rollers being transmissionally connected by a conical ring, a guide rail being fixedly arranged on the mounting seat, a guide seat being slidably arranged on the guide rail, and a guide hole being arranged on the guide seat and cooperating with the conical ring;

[0008] An adjustment slide is slidably arranged on the proportional regulator, a scale line being arranged on the side wall of the proportional regulator and cooperating with the adjustment slide, the adjustment slide being connected to the guide seat by an extension rod, and the adjustment slide driving the guide seat to slide along the guide rail when the adjustment slide slides along the proportional regulator;

[0009] An installation frame is arranged at the lower end of the dosing device, the mixer being detachably arranged on the installation frame, and the first chamber and the second chamber being in communication with the mixer through discharge one-way valves.

[0010] Preferably, the adjusting slider is connected with a locking mechanism, the locking mechanism comprises a fixed seat, a floating block and a control block, the fixed seat is fixedly arranged on the mounting base, the upper end of the fixed seat is provided with a vertical sliding groove, the floating block is slidingly arranged in the vertical sliding groove, a first return spring is arranged between the floating block and the fixed seat, the lower end of the adjusting slider is provided with an upper tooth, the upper end of the floating block is provided with a lower tooth matched with the upper tooth, the control block is slidingly arranged on the fixed seat, the floating block is provided with a transverse hole for inserting the control block, a second return spring is arranged between the control block and the fixed seat.

[0011] The lower end of the transverse hole is a wedge surface, and the end of the control block close to the floating block is a wedge block matched with the wedge surface.

[0012] Preferably, the lower end of the control block is provided with a control plate, one of the threaded rods is provided with a push plate matched with the control plate, when the volume of the liquid suction cavity is at the minimum value, the push plate pushes the control plate and separates the lower tooth from the upper tooth.

[0013] Preferably, one of the conical rollers or one of the threaded rods is connected with a driving mechanism.

[0014] Preferably, the driving mechanism comprises a driving motor arranged on the mounting base, a driven gear is coaxially fixed on one of the conical rollers, and a driving gear engaged with the driven gear is arranged on the motor shaft of the driving motor.

[0015] Preferably, the mounting frame comprises a mounting sliding groove arranged along the length direction of the dosing device, the first chamber and the second chamber are isolated by a partition plate, two discharge one-way valves are arranged on the two sides of the partition plate respectively, a pipeline is arranged in the partition plate, one end of the pipeline communicates with the two discharge one-way valves, and the other end of the pipeline extends into the mounting sliding groove.

[0016] Preferably, the mixer comprises a first cup body and a second cup body rotationally connected, the second cup body is located in the first cup body, the upper end of the first cup body is provided with a guide plate slidingly matched with the mounting sliding groove, the upper end of the second cup body is provided with an outer gear ring, and a rack engaged with the outer gear ring is arranged in the mounting sliding groove.

[0017] Preferably, the inner wall of the second cup body is provided with a turbulence protrusion.

[0018] Preferably, the upper end of the second cup body is provided with a slidingly opened and closed cup cover, the cup cover is provided with a strip-shaped magnetic member, and a guide magnetic material matched with the cup cover is arranged between the end portion of the rack and the inner end portion of the mounting sliding groove.

[0019] The inner end portion of the mounting sliding groove is provided with a jacking rod, when the second cup body moves to the inner end portion of the mounting sliding groove, the cup cover rotates to a direction parallel to the mounting sliding groove under the cooperation of the guide magnetic material and the magnetic member, and is in an open state under the pushing of the jacking rod.

[0020] Preferably, the inner end of the installation sliding groove is provided with a pressable temporary position limiter matched with the first cup body, and the cup cover is internally provided with a self-return spring for controlling the closing of the cup cover.

[0021] Compared with the prior art, the present application has the beneficial effects that:

[0022] 1. The present application realizes the precise synchronous control of the stroke of two pistons by the screw transmission mechanism composed of a double-tapered roller and a threaded rod, in combination with the adjustment mechanism of the taper ring and the two double-tapered rollers, thereby ensuring the linear adjustment of the volume ratio of the two anesthetics; the intuitive cooperation design of the scale line and the adjustment slider enables medical staff to quickly set the target concentration, and the locking mechanism effectively prevents displacement deviation after adjustment through the meshing of the upper / lower teeth and the linkage and disengagement function of the push plate.

[0023] 2. The present application adopts a rotating structure for the mixer, which is automatically rotated during the removal process through the meshing transmission of the installation sliding groove and the rack, and realizes the uniform mixing of the anesthetics by forming a turbulent effect in combination with the disturbance protrusions on the inner wall; the cup cover and the top rod cooperate to realize the automatic opening and closing of the cup cover without the need for additional operation steps. BRIEF DESCRIPTION OF DRAWINGS

[0024] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings.

[0025] Figure 1 is a structural schematic view of one angle of the present application;

[0026] Figure 2 is a structural schematic view of another angle of the present application;

[0027] Figure 3 is a structural schematic view of the inside of the present application;

[0028] Figure 4 is a structural schematic view of the inside of the present application; Figure 3 is a partial enlarged schematic view of A in the present application;

[0029] Figure 5 is a structural schematic view of the driving mechanism of the present application;

[0030] Figure 6 is a structural schematic view of the installation sliding groove;

[0031] Figure 7 is a structural schematic view of the top rod;

[0032] Figure 8 is a structural schematic view of the mixer;

[0033] Figure 9 is a sectional view of the mixer.

[0034] In the figure: 1-dosage device, 11-first chamber, 12-second chamber, 13-piston, 14-threaded rod, 15-one-way liquid inlet, 16-adjusting slider, 17-scale line, 18-mounting frame, 19-discharge one-way valve, 110-mounting chute, 111-partition plate, 112-pipeline, 2-proportional regulator, 21-mounting seat, 22-cone roller, 23-cone ring, 24-guide rail, 25-guide seat, 26-guide hole, 3-mixer, 31-first cup body, 32-second cup body, 33-guide plate, 34-outer gear ring, 35 -Rack, 36-spoiler protrusion, 37-cup cover, 38-magnetic part, 39-guide magnetic material, 310-top rod, 311-pressable temporary limiter, 312-self-return spring, 4-locking mechanism, 41-fixed seat, 42-floating block, 43-control block, 44-vertical slide groove, 45-first return spring, 46-upper teeth, 47-lower teeth, 48-transverse hole, 49-second return spring, 410-control plate, 411-push plate, 5-drive mechanism, 51-drive motor, 52-driven gear, 53-driving gear. DETAILED DESCRIPTION

[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0036] Example:

[0037] like Figures 1 to 9 As shown, an anesthetic concentration regulating anesthesia device includes a dosing device 1, a proportion regulator 2 and a mixer 3. The dosing device 1 includes a first chamber 11 and a second chamber 12. Pistons 13 are slidably provided in the first chamber 11 and the second chamber 12 and cooperate with the piston 13 to form a liquid suction cavity. Two one-way liquid inlets 15 are provided on the dosing device 1. The two one-way liquid inlets 15 correspond one-to-one to the liquid suction cavities of the first chamber 11 and the second chamber 12. The two liquids that need to be mixed are respectively sucked through the two liquid suction cavities.

[0038] In order to ensure that the two liquid suction cavities absorb the liquid medicine according to the set ratio, the two pistons 13 are fixedly connected to the threaded rod 14, and the proportion regulator 2 is arranged at the open end of the metering device 1. The proportion regulator 2 includes a mounting seat 21 and two tapered rollers 22 arranged in opposite directions. The mounting seat 21 is relatively fixed to the metering device 1, and the two tapered rollers 22 are rotatably arranged in the mounting seat 21. The two tapered rollers 22 are respectively threadedly engaged with the two threaded rods 14. When the tapered rollers 22 rotate, the corresponding threaded rods 14 and pistons 13 are driven to move through the threaded engagement.

[0039] The two conical rollers 22 are connected by a conical ring 23, power transmission is achieved by friction between the conical ring 23 and the conical rollers 22, a guide rail 24 is fixedly arranged on the mounting base 21, a guide base 25 is slidably arranged on the guide rail 24, and a guide hole 26 matched with the conical ring 23 is arranged on the guide base 25. When the guide base 25 slides, the conical ring 23 is driven to move relative to the conical rollers 22, thereby changing the transmission ratio between the two conical rollers 22.

[0040] In order to realize automatic suction and discharge of liquid, one of the conical rollers 22 or one of the threaded rods 14 is connected with a driving mechanism 5.

[0041] In the embodiment, the driving mechanism 5 is a driving motor 51, which is arranged on the mounting base 21. A driven gear 52 is coaxially fixed on one of the conical rollers 22. A driving gear 53 matched with the driven gear 52 is arranged on the motor shaft of the driving motor 51. When the driving motor 51 works, the driving gear 53 is driven to rotate, thereby driving the conical roller 22 to rotate through the driven gear 52.

[0042] In order to facilitate movement of the guide base 25, an adjusting sliding block 16 is slidably arranged on the proportional regulator 1. A scale line 17 matched with the adjusting sliding block 16 is arranged on the side wall of the proportional regulator 1. The adjusting sliding block 16 is connected with the guide base 25 through an extension rod. When the adjusting sliding block 16 slides along the proportional regulator 1, the guide base 25 is driven to slide along the guide rail 24.

[0043] Preferably, in order to prevent movement of the guide base 25 during liquid suction, causing liquid suction proportion error, the adjusting sliding block 16 is connected with a locking mechanism 4. The locking mechanism 4 comprises a fixed base 41, a floating block 42 and a control block 43. The fixed base 41 is fixedly arranged on the mounting base 21. A vertical sliding groove 44 is arranged on the upper end of the fixed base 41. The floating block 42 is slidably arranged in the vertical sliding groove 44. A first return spring 45 is arranged between the floating block 42 and the fixed base 41. An upper tooth 46 is arranged on the lower end of the adjusting sliding block 16. A lower tooth 47 matched with the upper tooth 46 is arranged on the upper end of the floating block 42. When the floating block 42 is not subjected to external force, the lower tooth 47 is engaged with the upper tooth 46, thereby locking the adjusting sliding block 16.

[0044] The control block 43 is slidably arranged on the fixed base 41. A horizontal hole 48 is arranged on the floating block 42 for insertion of the control block 43. A second return spring 49 is arranged between the control block 43 and the fixed base 41. The lower end of the horizontal hole 48 is a wedge surface, and the end of the control block 43 close to the floating block 42 is a wedge block matched with the wedge surface. When the control block 43 is inserted into the floating block 42, the wedge block drives the floating block 42 to move downward, thereby separating the lower tooth 47 from the upper tooth 46.

[0045] In order to realize the automatic opening and closing of the locking mechanism 4, the control block 43 is provided with a control plate 410 at the lower end, one of the threaded rods 14 is provided with a push plate 411 matched with the control plate 410, when the volume of the liquid suction cavity is at the minimum value, the push plate 411 pushes the control plate 410 and separates the lower tooth 47 from the upper tooth 46.

[0046] The lower end of the dosing device 1 is provided with a mounting frame 18, and the mixer 3 is detachably arranged on the mounting frame 18, and the first chamber 11 and the second chamber 12 are communicated with the mixer 3 through the discharge one-way valve 19.

[0047] Preferably, the mounting frame 18 comprises a mounting sliding groove 110 arranged along the length direction of the dosing device 1, the first chamber 11 and the second chamber 12 are isolated by a partition plate 111, two discharge one-way valves 19 are arranged on the two sides of the partition plate 111 respectively, a pipeline 112 is arranged in the partition plate 111, one end of the pipeline 112 is communicated with the two discharge one-way valves 19, and the other end of the pipeline 112 extends into the mounting sliding groove 110. When it is needed to discharge, the liquid in the first chamber 11 and the second chamber 12 is discharged through the two discharge one-way valves 19 and the pipeline 112.

[0048] The mixer 3 comprises a first cup body 31 and a second cup body 32 rotatably connected, and the second cup body 32 is located in the first cup body 31, and when the second cup body 32 reaches a set position, the pipeline 112 can discharge liquid into the second cup body 32.

[0049] The upper end of the first cup body 31 is provided with a guide plate 33 which is slidably matched with the mounting sliding groove 110. The upper end of the second cup body 32 is provided with an outer gear ring 34, and the mounting sliding groove 110 is provided with a gear rack 35 matched with the outer gear ring 34. When the first cup body 31 moves along the mounting sliding groove 110, the outer gear ring 34 cooperates with the gear rack 35 to drive the second cup body 32 to rotate, so that the two kinds of liquid in the second cup body 32 can be mixed uniformly. Preferably, the inner wall of the second cup body 32 is provided with a turbulence protrusion 36 to improve the uniformity of the liquid medicine.

[0050] In order to prevent the liquid medicine from spilling out during the rotation of the second cup body 32, the upper end of the second cup body 32 is provided with a sliding opening and closing cup cover 37, the cup cover 37 is provided with a long strip-shaped magnetic member 38, and the end portion of the gear rack 35 and the inner end portion of the mounting sliding groove 110 are provided with a guide magnetic material 39 matched with the cup cover 37; the magnetic member 38 and the guide magnetic material 39 can all be made of a magnet, and when the cup cover 37 reaches a set position, the guide magnetic material 39 exerts a force on the magnetic member 38 to make it parallel to the guide magnetic material 39.

[0051] The end of the installation sliding groove 110 is provided with a top rod 310, when the second cup 32 moves to the end of the installation sliding groove 110, the cup cover 37 rotates to the direction parallel to the installation sliding groove 110 under the cooperation of the guide magnetic material 39 and the magnetic piece 38, and is in the open state under the pushing of the top rod 310, so as to facilitate the liquid medicine in the pipeline 112 to enter.

[0052] The end of the installation sliding groove 110 is provided with a pressable temporary position limiter 311 cooperating with the first cup 31, when the first cup 31 reaches the end of the installation sliding groove 110, the first cup 31 is temporarily positioned by the pressable temporary position limiter 311, so as to prevent the first cup 31 from moving accidentally; when it is needed to be taken out, the first cup 31 is pulled outward with force, so that the position limiting of the pressable temporary position limiter 311 is released. The pressable temporary position limiter 311 adopts the prior art.

[0053] The cup cover 37 is provided with a self-return spring 312 controlling the closing of the cup cover 37, when the second cup 32 leaves the end of the installation sliding groove 110, the cup cover 37 is closed under the action of the self-return spring 312, so as to prevent the liquid medicine from flowing out.

[0054] The above only describes the preferred embodiment of the present application in detail, but the present application is not limited to the above-mentioned embodiment, various changes can be made within the knowledge of the person skilled in the art without departing from the purpose of the present application, and all the changes shall be included in the protection scope of the present application.

Claims

1. An anesthetic concentration adjustable anesthetic device, characterized by: It includes a dosing device (1), a proportional regulator (2) and a mixer (3), the dosing device (1) comprises a first chamber (11) and a second chamber (12), a piston (13) is slidably arranged in each of the first chamber (11) and the second chamber (12) and cooperates with the piston (13) to form a liquid suction cavity, the two pistons (13) are fixedly connected with threaded rods (14), two one-way liquid inlets (15) are arranged on the dosing device (1), and the two one-way liquid inlets (15) correspond to the liquid suction cavities of the first chamber (11) and the second chamber (12) in a one-to-one manner; The proportional regulator (2) is arranged at the opening end of the dosing device (1), the proportional regulator (2) comprises a mounting seat (21) and two oppositely arranged conical rollers (22), the two conical rollers (22) are rotatably arranged in the mounting seat (21), the two conical rollers (22) are threadedly connected with the two threaded rods (14) respectively, the two conical rollers (22) are drivingly connected through a conical ring (23), a guide rail (24) is fixedly arranged on the mounting seat (21), a guide seat (25) is slidably arranged on the guide rail (24), and a guide hole (26) matched with the conical ring (23) is arranged on the guide seat (25); An adjusting sliding block (16) is slidably arranged on the proportional regulator (2), a scale line (17) matched with the adjusting sliding block (16) is arranged on the side wall of the proportional regulator (2), the adjusting sliding block (16) is connected with the guide seat (25) through an extension rod, and when the adjusting sliding block (16) slides along the proportional regulator (2), the guide seat (25) is driven to slide along the guide rail (24); A mounting frame (18) is arranged at the lower end of the dosing device (1), the mixer (3) is detachably arranged on the mounting frame (18), and the first chamber (11) and the second chamber (12) are communicated with the mixer (3) through discharge one-way valves (19); The adjusting sliding block (16) is connected with a locking mechanism (4), the locking mechanism (4) comprises a fixed seat (41), a floating block (42) and a control block (43), the fixed seat (41) is fixedly arranged on the mounting seat (21), a vertical sliding groove (44) is arranged at the upper end of the fixed seat (41), the floating block (42) is slidably arranged in the vertical sliding groove (44), a first return spring (45) is arranged between the floating block (42) and the fixed seat (41), an upper tooth (46) is arranged at the lower end of the adjusting sliding block (16), a lower tooth (47) matched with the upper tooth (46) is arranged at the upper end of the floating block (42), the control block (43) is slidably arranged on the fixed seat (41), a horizontal hole (48) for inserting the control block (43) is arranged on the floating block (42), and a second return spring (49) is arranged between the control block (43) and the fixed seat (41); The lower end of the horizontal hole (48) is a wedge surface, and one end of the control block (43) close to the floating block (42) is a wedge block matched with the wedge surface; The control block (43) is provided with a control plate (410) at the lower end, one of the threaded rods (14) is provided with a push plate (411) matched with the control plate (410), when the liquid suction cavity volume is at the minimum value, the push plate (411) pushes the control plate (410) and separates the lower teeth (47) from the upper teeth (46).

2. The anesthesia concentration adjustment type anesthesia apparatus according to claim 1, characterized by: One of the conical rollers (22) or one of the threaded rods (14) is connected with a driving mechanism (5).

3. The anesthesia concentration adjustment type anesthesia apparatus according to claim 2, characterized by: The driving mechanism (5) comprises a driving motor (51) arranged on the mounting base (21), one of the conical rollers (22) is coaxially fixed with a driven gear (52), and the motor shaft of the driving motor (51) is provided with a driving gear (53) engaged with the driven gear (52).

4. The anesthesia concentration adjustment type anesthesia apparatus according to claim 1, characterized by: The mounting rack (18) comprises a mounting sliding groove (110) arranged along the length direction of the dosing device (1), the first chamber (11) and the second chamber (12) are isolated by a partition plate (111), two discharge one-way valves (19) are arranged on the two sides of the partition plate (111) respectively, a pipeline (112) is arranged in the partition plate (111), one end of the pipeline (112) is communicated with the two discharge one-way valves (19), and the other end of the pipeline (112) extends into the mounting sliding groove (110).

5. The anesthesia concentration adjustment type anesthesia apparatus according to claim 4, characterized by: The mixer (3) comprises a first cup body (31) and a second cup body (32) rotationally connected, the second cup body (32) is located in the first cup body (31), the upper end of the first cup body (31) is provided with a guide plate (33) slidably matched with the mounting sliding groove (110), and the upper end of the second cup body (32) is provided with an outer gear ring (34), the mounting sliding groove (110) is provided with a rack (35) engaged with the outer gear ring (34).

6. The anesthesia concentration adjustment type anesthesia apparatus according to claim 5, wherein: The inner wall of the second cup body (32) is provided with a turbulence protrusion (36).

7. The anesthesia concentration adjustment type anesthesia apparatus according to claim 5, wherein: The upper end of the second cup body (32) is provided with a sliding opening and closing cup cover (37), the cup cover (37) is provided with a strip-shaped magnetic member (38), and the end portion of the rack (35) and the inner end portion of the mounting sliding groove (110) are provided with a guide magnetic material (39) matched with the cup cover (37). The inner end portion of the mounting sliding groove (110) is provided with a jacking rod (310), when the second cup body (32) moves to the inner end portion of the mounting sliding groove (110), the cup cover (37) is rotated to a direction parallel to the mounting sliding groove (110) under the cooperation of the guide magnetic material (39) and the magnetic member (38), and is in an open state under the pushing of the jacking rod (310).

8. The anesthesia concentration adjustment type anesthesia apparatus according to claim 7, wherein: The inner end portion of the mounting sliding groove (110) is provided with a pressable temporary stopper (311) matched with the first cup body (31), and the cup cover (37) is provided with a self-return spring (312) for controlling the closing of the cup cover (37).

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