CN114432547B

CN114432547B - Drug delivery device for respiratory surgery

Info

Publication number: CN114432547B
Application number: CN202210043713.0A
Authority: CN
Inventors: 郭明新
Original assignee: Nanjing Yiluyun Digital Technology Research Institute Co ltd
Current assignee: Nanjing Yiluyun Digital Technology Research Institute Co ltd
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2024-01-12
Anticipated expiration: 2042-01-14
Also published as: CN114432547A

Abstract

The present invention relates to a drug delivery device, and more particularly to a drug delivery device for respiratory surgery. The invention provides a respiratory surgery drug delivery device which can improve the drug delivery success rate by thinning powder particles and adjusting the inhalation quantity of the powder to avoid the choking or choking of patients during drug delivery. The utility model provides a respiratory surgery is with device of dosing, including base, framework, screw thread lid, suction hood, handle and filter screen, be equipped with the framework on the base, framework lower part screw thread is equipped with the screw thread lid, and the framework top is equipped with the suction hood, is equipped with the handle on the framework, and the framework is inside to be equipped with the filter screen, still including stirring mechanism and beating mechanism, the framework bottom is equipped with stirring mechanism, and the framework middle part is equipped with beating mechanism. According to the invention, the blocking mechanism is arranged, so that the medicine powder in the frame body flows out of the device through the suction cover due to inversion of the device in the portable moving process, and the medicine powder is wasted.

Description

Drug delivery device for respiratory surgery

Technical Field

The present invention relates to a drug delivery device, and more particularly to a drug delivery device for respiratory surgery.

Background

Along with the development of social industrialization, the air quality is worse and worse, the haze problem is more and more serious, respiratory tract diseases patients are more and more, and in clinical practice, when common sore throat or tonsillitis is diagnosed and treated, the common sore throat or tonsillitis is generally treated by injection or oral medicines, and different treatment modes are adopted specifically for different conditions.

Patent application CN207012385U, publication day 20180216, discloses a respiratory medicine feeder, comprising an oxygen supply mechanism, a medicine feeding box, a medicine injection mechanism and a respiratory mask which are connected in sequence; the medicine feeding box is provided with a mixing area from top to bottom, the medicine feeding area is separated from the mixing area by a partition plate, and a medicine outlet is arranged on the partition plate; a stirrer and an administration catheter are arranged in the mixing zone, and a valve is arranged on the administration catheter; the oxygen supply mechanism is connected with the administration area through an oxygen supply conduit, a control switch is arranged on the oxygen supply conduit, a drug injection mechanism is arranged on one side of the mixing area corresponding to the oxygen supply mechanism, a filter mechanism is arranged on the respiratory mask, the drug injection mechanism is connected with the filter mechanism on the respiratory mask through the administration conduit, and a valve is arranged on the administration conduit; the breathing cover is also provided with an exhaust duct connected with the outside atmosphere. The medicine is mixed and coincidently arranged with the medicine feeding device, so that the functions of the medicine feeding device are increased, and the application range of the medicine feeding device for respiratory department is widened.

Accordingly, the present invention has been made to solve the above-mentioned problems occurring in the prior art, and provides a portable respiratory drug delivery device which can improve the success rate of drug delivery by refining particles of a drug powder and adjusting the inhalation amount of the drug powder to prevent a patient from choking or choking during drug delivery.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the respiratory surgery administration device which can prevent patients from choking or choking during administration by thinning powder particles and adjusting the inhalation amount of the powder, thereby improving the success rate of administration, and solving the problems of administration failure and powder waste caused by sneeze reaction caused by easy stimulation of respiratory tract when the powder particles are larger and the inhalation amount is more during clinical oral drug treatment of respiratory department.

In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a respiratory surgery is with device of dosing, including base, framework, screw thread lid, suction hood, handle and filter screen, be equipped with the framework on the base, framework lower part screw thread is equipped with the screw thread lid, and the framework top is equipped with the suction hood, is equipped with the handle on the framework, and the framework is inside to be equipped with the filter screen, still including stirring mechanism and beating mechanism, the framework bottom is equipped with stirring mechanism, and the framework middle part is equipped with beating mechanism.

Optionally, support frame, servo motor, axis of rotation and stirring blade constitute the pulper constructs, is equipped with the support frame in the middle of the framework bottom, and support frame mid-mounting has servo motor, is equipped with the axis of rotation on servo motor's the output shaft, and the axis of rotation is connected with the framework rotation, evenly is equipped with stirring blade in the axis of rotation.

Optionally, handle, first magnet, first sliding sleeve, the pole of beating, second magnet and first spring constitute and pat the mechanism, and the outer wall slidingtype in framework middle part is equipped with first magnet, is equipped with the handle on the first magnet, is equipped with first sliding sleeve in the middle of the framework is inside, and first sliding sleeve middle part slidingtype is equipped with the pole of beating, and the pole top of beating is equipped with the second magnet, and second magnet is mutually magnetically inhaled with first magnet, and the pole upper portion of beating is around having first spring, and first spring both ends are connected with first sliding sleeve and second magnet respectively.

Optionally, the device further comprises a blocking mechanism, wherein the blocking mechanism is formed by a second sliding sleeve, a conical block and a second spring, the second sliding sleeve is arranged on the upper side inside the frame body, the conical block is arranged in the middle of the second sliding sleeve in a sliding mode, the second spring is wound on the conical block, and two ends of the second spring are connected with the second sliding sleeve and the conical block respectively.

Optionally, still including current limiting mechanism, the hose, the installation piece, the roating seat, the hob, movable block and clamp block constitute current limiting mechanism, the inside upside of framework is equipped with two installation pieces, be connected with the hose between two installation pieces, the inside upside of framework is equipped with the roating seat, the swivelling joint has the hob between framework and the roating seat, the equal screw thread in hob both sides is equipped with the movable block, the movable block bottom is equipped with clamp block, clamp block and framework sliding connection, clamp block and hose contact cooperation.

Optionally, the device further comprises a pushing mechanism, wherein the pushing mechanism is composed of a groove cylinder, a touch block, a first sliding rod, a third spring, a third sliding sleeve and a contact block, the groove cylinder is arranged at the top end of the rotating shaft, the touch block is arranged at the lower part of the beating rod, the third sliding sleeve is arranged in the frame, the first sliding rod is arranged on the third sliding sleeve in a sliding mode, the contact block is arranged at the top of the first sliding rod and is in contact fit with the touch block, the bottom of the first sliding rod is connected with the groove cylinder in a sliding mode, the third spring is wound at the lower part of the first sliding rod, and two ends of the third spring are connected with the third sliding sleeve and the first sliding rod respectively.

Optionally, protection machanism is still including connecting block, the second slide bar, the fourth spring, the fourth sliding sleeve, the chucking piece, fifth spring and wedge constitute, framework upper portion slidingtype is equipped with the connecting block, the inside both sides of connecting block all are equipped with the second slide bar, the second slide bar is connected with the second sliding sleeve slidingtype, around having the fourth spring on the second slide bar, the fourth spring both ends are connected with second sliding sleeve and connecting block respectively, the installation piece bottom of downside is equipped with the fourth sliding sleeve, the slidingtype is equipped with the chucking piece in the middle of the fourth sliding sleeve, chucking piece and connecting block contact cooperation, be connected with the fifth spring between fourth sliding sleeve both sides and the chucking piece, be equipped with the wedge in the middle of the chucking piece front side, wedge and tapered block cooperation.

Optionally, a hand pad for skid prevention is arranged on the grip.

The invention has the following advantages: the invention realizes the effect of cutting and stirring the pill into the medicinal powder by arranging the stirring mechanism, is convenient for a patient to inhale the medicinal powder into the lung, and realizes the effect of screening the medicinal powder by arranging the filter screen which blocks the medicinal powder with larger particles, so that the inhaled medicinal powder particles are smaller, and the choked medicament is prevented from being blocked in the throat of the patient due to the overlarge medicinal powder particles; by arranging the blocking mechanism, the medicine powder in the frame body flows out of the device through the suction cover due to the inversion of the device in the portable moving process, so that the medicine powder is wasted; by arranging the flow limiting mechanism, the medicine powder suction quantity can be automatically regulated according to the requirement, and the regulation effect is realized; the stirring mechanism, the beating mechanism and the pushing mechanism are matched, and the beating mechanism automatically beats the filter screen downwards, so that the powder adsorbed by the filter screen is shaken off, and the grid of the filter screen is prevented from being blocked; by arranging the protection mechanism, the patient is prevented from sucking a lot of medicine powder by a suction inlet to be choked, and the effect of protecting the patient is achieved.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of a cross-sectional partial perspective structure of the present invention.

Fig. 3 is a schematic perspective view of the shredding mechanism of the present invention.

Fig. 4 is a schematic perspective view of the flapping mechanism of the present invention.

Fig. 5 is a schematic view of a part of a three-dimensional structure of the flapping mechanism of the present invention.

Fig. 6 is a schematic perspective view of the plugging mechanism of the present invention.

Fig. 7 is a schematic perspective view of a flow restrictor of the present invention.

Fig. 8 is a schematic view of a first perspective structure of the pushing mechanism of the present invention.

Fig. 9 is a schematic view of a second perspective structure of the pushing mechanism of the present invention.

Fig. 10 is a schematic perspective view of the protection mechanism of the present invention.

Fig. 11 is a schematic perspective view of a first part of the protection mechanism of the present invention.

Fig. 12 is a schematic perspective view of a second portion of the protection mechanism of the present invention.

The reference symbols in the drawings: 1_base, 2_frame, 21_screw cap, 3_suction cap, 4_grip, 5_filter, 6_masher, 61_support, 62_servomotor, 63_rotation shaft, 64_masher blade, 7_beater mechanism, 71_handle, 72_first magnet, 73_first slide, 74_beater bar, 75_second magnet, 76_first spring, 8_plug mechanism, 81_second slide, 82_conical block, 83_second spring, 9_restrictor mechanism, 901_hose, 91_mount block, 92_swivel, 93_screw, 94_moving block, 95_clamp block, 10_push mechanism, 101_grooved cylinder, 102_touch block, 103_first slide bar, 104_third spring, 105_third slide, 106_contact block, 11_guard mechanism, 111_connecting block, 112_second slide bar, 113_fourth spring, 114_fourth slide, 115_clamp block, 116_fifth spring, 117_wedge block.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-12, the present invention provides a technical solution: the utility model provides a respiratory surgery is with dosing device, including base 1, framework 2, screw cap 21, suction hood 3, handle 4, filter screen 5, stirring mechanism 6 and beating mechanism 7, be equipped with framework 2 on the base 1, framework 2 lower part front side screw cap 21 is equipped with to the framework 2, framework 2 top is equipped with suction hood 3, framework 2 left side is equipped with handle 4, framework 2 inside is equipped with filter screen 5, framework 2 bottom is equipped with stirring mechanism 6, framework 2 middle part is equipped with beating mechanism 7; the stirring mechanism 6 comprises a support frame 61, a servo motor 62, a rotating shaft 63 and stirring blades 64, wherein the support frame 61 is arranged in the middle of the bottom of the frame body 2, the servo motor 62 is arranged in the middle of the support frame 61, the rotating shaft 63 is arranged on an output shaft of the servo motor 62, the rotating shaft 63 is rotationally connected with the frame body 2, and the stirring blades 64 are uniformly arranged on the rotating shaft 63; the flapping mechanism 7 comprises a handle 71, a first magnet 72, a first sliding sleeve 73, a flapping rod 74, a second magnet 75 and a first spring 76, wherein the first magnet 72 is arranged on the outer wall of the middle part of the frame 2 in a sliding manner, the handle 71 is arranged on the front side of the first magnet 72, the first sliding sleeve 73 is arranged in the middle of the inside of the frame 2, the flapping rod 74 is arranged on the middle part of the first sliding sleeve 73 in a sliding manner, the second magnet 75 is arranged at the top end of the flapping rod 74, the second magnet 75 and the first magnet 72 are mutually magnetically attracted, the first spring 76 is wound on the upper part of the flapping rod 74, and two ends of the first spring 76 are respectively connected with the first sliding sleeve 73 and the second magnet 75; the device also comprises a blocking mechanism 8, wherein the blocking mechanism 8 comprises a second sliding sleeve 81, a conical block 82 and a second spring 83, the second sliding sleeve 81 is arranged on the upper side inside the frame body 2, the conical block 82 is arranged in the middle of the second sliding sleeve 81 in a sliding manner, the second spring 83 is wound on the conical block 82, and two ends of the second spring 83 are respectively connected with the second sliding sleeve 81 and the conical block 82; the device comprises a frame body 2, a rotating seat 92, a rotating rod 92, a rotating mechanism 9, a moving block 94, a clamping block 95 and a sealing mechanism, wherein the rotating seat 92 is arranged on the upper side of the frame body 2, the rotating rod 93 is rotatably connected between the frame body 2 and the rotating seat 92, the moving block 94 is arranged on the front side and the rear side of the rotating rod 93 in a threaded manner, the clamping block 95 is arranged at the bottom of the moving block 94, the clamping block 95 is slidably connected with the frame body 2, and the clamping block 95 is in contact fit with the hose 901; the pushing mechanism 10 comprises a groove cylinder 101, a touch block 102, a first slide bar 103, a third spring 104, a third sliding sleeve 105 and a contact block 106, wherein the groove cylinder 101 is arranged at the top end of the rotating shaft 63, the touch block 102 is arranged at the lower part of the flapping rod 74, the third sliding sleeve 105 is arranged at the front side inside the frame 2, the first slide bar 103 is arranged at the rear side of the third sliding sleeve 105 in a sliding manner, the contact block 106 is arranged at the top of the first slide bar 103, the contact block 106 is in contact fit with the touch block 102, the bottom of the first slide bar 103 is connected with the groove cylinder 101 in a sliding manner, the third spring 104 is wound at the lower part of the first slide bar 103, and two ends of the third spring 104 are respectively connected with the third sliding sleeve 105 and the first slide bar 103; the protection mechanism 11 comprises a connecting block 111, a second slide bar 112, a fourth spring 113, a fourth slide sleeve 114, a clamping block 115, a fifth spring 116 and a wedge block 117, wherein the connecting block 111 is arranged on the upper portion of the frame body 2 in a sliding mode, the second slide bar 112 is arranged on the left side and the right side of the inside of the connecting block 111, the second slide bar 112 is connected with the second slide sleeve 81 in a sliding mode, the fourth spring 113 is wound on the second slide bar 112, two ends of the fourth spring 113 are respectively connected with the second slide sleeve 81 and the connecting block 111, the fourth slide sleeve 114 is arranged on the front side of the bottom of the installation block 91 on the lower side, the clamping block 115 is arranged in the middle of the fourth slide sleeve 114 in a sliding mode and is in contact fit with the connecting block 111, the fifth spring 116 is connected between the left side and the right side of the fourth slide sleeve 114 and the clamping block 115, the wedge block 117 is arranged in the middle of the front side of the clamping block 115, and the wedge block 117 is in fit with the conical block 82.

When a respiratory surgery medical worker needs to carry out drug administration treatment on respiratory diseases, the drug administration device can be used, firstly, the screw cap 21 is unscrewed, pills are put into the frame body 2, then the servo motor 62 is started, the output shaft of the servo motor 62 drives the stirring blade 64 to rotate through the rotating shaft 63, the effect of cutting and stirring the pills into the medicinal powder is realized, the medicinal powder is conveniently sucked into the lung by a patient, then the patient grabs the handle 4 by hands, the mouth is aligned to the inhalation mask 3, the medicinal powder is sucked into the lung upwards, when the medicinal powder passes through the filter screen 5 in the upward conveying process, the filter screen 5 blocks the medicinal powder with larger particles, the effect of screening the medicinal powder is realized, the sucked medicinal powder particles are smaller, the phenomenon that the medicinal powder is blocked at the throat of the patient and is choked is avoided because the medicinal powder particles are too large is avoided, the patient pulls the handle 71 upwards, the first magnet 72 is driven to slide upwards, further driving the second magnet 75 to move upwards, then driving the beating rod 74 to slide upwards, stretching the first spring 76, then loosening the handle 71, resetting the first spring 76 to drive the beating rod 74 to slide downwards, realizing the effect that the beating rod 74 beats the filter screen 5, enabling the powder adsorbed by the filter screen 5 to be shaken off, avoiding the grid of the filter screen 5 to be blocked, driving the conical block 82 to slide upwards by the suction force of a patient, compressing the second spring 83, enabling the conical block 82 not to block the frame 2 any more, realizing the effect of upward drug delivery, resetting the second spring 83 to drive the conical block 82 to block the frame 2 downwards when stopping suction, avoiding the powder in the frame 2 from flowing back out of the device through the suction cover 3 due to inversion of the device in the portable moving process, thereby causing powder waste, manually rotating the spiral rod 93 when the single suction amount of the powder needs to be regulated, the screw rod 93 drives the moving block 94 to move inwards, so that the clamping block 95 presses the hose 901 inwards, the caliber of the opened hose 901 is reduced, the medicine powder inhalation amount is reduced, when the screw rod 93 is rotated reversely, the screw rod 93 drives the moving block 94 to move outwards, the caliber of the opened hose 901 is increased, the medicine powder inhalation amount is increased, the effect of self-adjusting medicine powder inhalation amount can be realized according to the requirement, the rotating shaft 63 rotates to drive the groove cylinder 101 to rotate, the first slide bar 103 is driven to slide upwards, the third spring 104 is compressed, the contact block 106 is driven to move upwards, the moving block 94 is driven to slide upwards through the touch block 102, when the first slide bar 103 slides to the vertical groove area of the groove cylinder 101, the third spring 104 is reset, the first slide bar 103 and the contact block 106 move downwards, the beating rod 74 drives the touch block 102 to move downwards under the action of the first spring 76, the effect of the automatic downward beating of the filter screen 5 by the beating rod 74 is realized, manual operation is reduced, when a patient is fiercely sucking a lot of medicine powder, in order to prevent the medicine powder from being choked in the suction inlet of the medicine powder, the conical block 82 moves upwards to be contacted with the wedge block 117, thereby driving the wedge block 117 to move forwards, further driving the clamping block 115 to slide forwards, the fifth spring 116 is stretched, the clamping block 115 no longer blocks the connecting block 111, the fourth spring 113 in a stretched state resets to drive the second slide rod 112 to slide downwards, thereby driving the connecting block 111 to slide downwards, the second slide rod 112 pushes the conical block 82 downwards, the conical block 82 slides downwards and blocks the frame body 2, the medicine powder is prevented from being sucked continuously, the effect of protecting the patient is achieved, the conical block 82 and the wedge block 117 are no longer contacted, the fifth spring 116 resets to drive the clamping block 115 to slide backwards, at the moment, the clamping block 115 is positioned above the connecting block 111, and when the suction is stopped, the connecting block 111 is manually pushed upwards by people, so that the connecting block 111 slides upwards and passes over the clamping block 115, the connecting block 111 drives the second sliding rod 112 to slide upwards, the fourth spring 113 is stretched, after the medicine administration is completed, the mouth of a patient is far away from the inhalation mask 3, and finally the servo motor 62 is turned off.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a respiratory surgery is with device of dosing, including base (1), framework (2), screw cap (21), suction hood (3), handle (4) and filter screen (5), be equipped with framework (2) on base (1), framework (2) lower part screw thread is equipped with screw cap (21), framework (2) top is equipped with suction hood (3), be equipped with handle (4) on framework (2), framework (2) inside is equipped with filter screen (5), characterized by, still include stirring mechanism (6) and beating mechanism (7), framework (2) bottom is equipped with stirring mechanism (6), framework (2) middle part is equipped with beating mechanism (7);

the stirring device comprises a frame (61), a servo motor (62), a rotating shaft (63) and stirring blades (64), wherein the stirring mechanism (6) is formed by the support frame (61), the middle of the bottom of the frame (2) is provided with the support frame (61), the servo motor (62) is installed in the middle of the support frame (61), the rotating shaft (63) is arranged on an output shaft of the servo motor (62), the rotating shaft (63) is rotationally connected with the frame (2), and the stirring blades (64) are uniformly arranged on the rotating shaft (63);

the handle (71), the first magnet (72), the first sliding sleeve (73), the beating rod (74), the second magnet (75) and the first spring (76) form a beating mechanism (7), the first magnet (72) is slidably arranged on the outer wall of the middle part of the frame body (2), the handle (71) is arranged on the first magnet (72), the first sliding sleeve (73) is arranged in the middle of the inner part of the frame body (2), a clapping rod (74) is arranged in the middle of the first sliding sleeve (73) in a sliding manner, a second magnet (75) is arranged at the top end of the clapping rod (74), the second magnet (75) and the first magnet (72) are mutually magnetically attracted, a first spring (76) is wound on the upper part of the clapping rod (74), and two ends of the first spring (76) are respectively connected with the first sliding sleeve (73) and the second magnet (75);

the device also comprises a blocking mechanism (8), wherein the blocking mechanism (8) is formed by a second sliding sleeve (81), a conical block (82) and a second spring (83), the second sliding sleeve (81) is arranged on the upper side inside the frame body (2), the conical block (82) is arranged in the middle of the second sliding sleeve (81) in a sliding manner, the second spring (83) is wound on the conical block (82), and two ends of the second spring (83) are respectively connected with the second sliding sleeve (81) and the conical block (82);

the device comprises a frame body (2), and is characterized by further comprising a current limiting mechanism (9), wherein the flexible pipe (901), a mounting block (91), a rotating seat (92), a screw rod (93), a moving block (94) and a clamping block (95) form the current limiting mechanism (9), two mounting blocks (91) are arranged on the upper side inside the frame body (2), the flexible pipe (901) is connected between the two mounting blocks (91), the rotating seat (92) is arranged on the upper side inside the frame body (2), the screw rod (93) is rotatably connected between the frame body (2) and the rotating seat (92), the moving block (94) is arranged on two sides of the screw rod (93) in a threaded mode, the clamping block (95) is arranged at the bottom of the moving block (94), the clamping block (95) is connected with the frame body (2) in a sliding mode, and the clamping block (95) is in contact fit with the flexible pipe (901);

still including pushing mechanism (10), recess drum (101), touching piece (102), first slide bar (103), third spring (104), third sliding sleeve (105) and contact piece (106) constitute pushing mechanism (10), axis of rotation (63) top is equipped with recess drum (101), beat pole (74) lower part and be equipped with touching piece (102), inside third sliding sleeve (105) that are equipped with of framework (2), sliding type is equipped with first slide bar (103) on third sliding sleeve (105), first slide bar (103) top is equipped with contact piece (106), contact piece (106) and touching piece (102) contact cooperation, first slide bar (103) bottom is connected with recess drum (101) slidingly, first slide bar (103) lower part is around third spring (104), third spring (104) both ends are connected with third sliding sleeve (105) and first slide bar (103) respectively.

2. The respiratory surgery is with dosing device according to claim 1, which is characterized by further comprising a protection mechanism (11), connecting block (111), second slide bar (112), fourth spring (113), fourth sliding sleeve (114), clamping block (115), fifth spring (116) and wedge (117) constitute protection mechanism (11), frame (2) upper portion slidingtype is equipped with connecting block (111), connecting block (111) inside both sides all are equipped with second slide bar (112), second slide bar (112) are connected with second sliding sleeve (81) slidingtype, second slide bar (112) is last to be wound fourth spring (113), fourth spring (113) both ends are connected with second sliding sleeve (81) and connecting block (111) respectively, installation piece (91) bottom of downside is equipped with fourth sliding sleeve (117), fourth sliding sleeve (114) intermediate slidingtype is equipped with clamping block (115), clamping block (115) and connecting block (111) contact cooperation, be connected with fifth spring (116) between fourth sliding sleeve (114) both sides and clamping block (115), clamping block (115) front side intermediate side is equipped with wedge (82) and wedge (82).

3. A respiratory surgical drug delivery apparatus according to claim 1, wherein the grip (4) is provided with a hand pad for anti-slip.