CN117018389A

CN117018389A - Operation cannula propeller

Info

Publication number: CN117018389A
Application number: CN202310841118.6A
Authority: CN
Inventors: 江添; 李学军
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-07-11
Filing date: 2023-07-11
Publication date: 2023-11-10

Abstract

The invention provides an operation cannula propeller, and relates to the field of operation cannula. This operation intubate propeller, including the fixed plate, the lower fixed surface of fixed plate is connected with the drive case, the one end fixedly connected with handle of drive case, the one end upper surface that the fixed plate is close to the handle rotates and is connected with the spool, the one end upper surface fixedly connected with dynamics adjustment mechanism that the handle was kept away from to the drive case, the one end fixedly connected with pinch roller that the drive case was kept away from to dynamics adjustment mechanism, the one end upper surface fixedly connected with squeeze plate that the fixed plate is close to the pinch roller, a plurality of anti-skidding grooves have been seted up to the surface of pinch roller. Through the use of dynamics adjustment mechanism and driving box for the intubate can be through motor drive, has saved manpower and materials greatly, can restrict the regulation to the dynamics of intubate simultaneously, avoids the intubate dynamics too big to lead to the patient to receive the injury.

Description

Operation cannula propeller

Technical Field

The invention relates to the technical field of surgical cannulas, in particular to a surgical cannula propeller.

Background

Surgical intubation refers to the need to intubate the patient's trachea before performing surgery, inserting a plastic tube into the patient's mouth or nasal cavity into the airway to maintain the patient's breathing and normoxic levels. The process needs to be operated by doctors with relevant qualification, and strictly obeys the aseptic operation flow, so that the operation safety is ensured, the traditional operation intubation usually needs manual operation of the doctors, and the technical requirement on the intubation is high and the physical strength of the doctors is high because the trend of the airway of the patient cannot be seen.

The Chinese patent of the invention with publication number of CN106110476A discloses an operation cannula propeller which adopts a rotating wheel to carry out hand-operated propulsion, so that the defects of instability and poor accuracy caused by manual operation are avoided, the structure is simple, the use is convenient, the stability and accuracy of the operation are greatly improved, but the insertion force cannot be controlled, the insertion force is easily caused to be overlarge, and the injury is caused to a patient.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the invention provides a surgical cannula propeller, which solves the problem that the prior surgical cannula propeller is easy to cause excessive force to cause harm to patients by a cannula.

(II) technical scheme

In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a surgical cannula propeller, includes the fixed plate, the lower fixed surface of fixed plate is connected with the drive box, the one end fixedly connected with handle of drive box, the one end upper surface that the fixed plate is close to the handle rotates and is connected with the spool, the one end upper surface fixedly connected with dynamics adjustment mechanism that the handle was kept away from to the drive box, the one end fixedly connected with pinch roller that the drive box was kept away from to dynamics adjustment mechanism, the one end upper surface fixedly connected with squeeze plate that the fixed plate is close to the pinch roller, a plurality of anti-skidding grooves have been seted up to the surface of pinch roller.

Through above-mentioned technical scheme, can be through extrusion wheel and extrusion board mutually supporting, promote the intubate and insert in the patient, saved medical personnel's physical demands greatly.

Preferably, the driving box comprises a box shell, the lower surface fixedly connected with box shell of fixed plate, the one end that the box shell is close to the handle runs through sliding connection has the slide bar, the one end fixedly connected with pull ring that the slide bar is close to the handle, the one end fixedly connected with movable contact that the pull ring was kept away from to the slide bar, the one end fixedly connected with baffle that the slide bar is close to the movable contact, the one end fixedly connected with first spring that the baffle is close to the pull ring.

Through the technical scheme, the pull ring can be pulled to enable the movable contact to be in contact with the static contact, so that a loop is connected.

Preferably, the case is close to the one end inner wall fixedly connected with fixing base of pull ring, the one end fixedly connected with stationary contact of case is kept away from to the fixing base, movable contact and the mutual electric connection of stationary contact, the one end fixedly connected with first wire of pull ring is kept away from to the slide bar, the one end fixedly connected with battery of slide bar is kept away from to first wire, fixedly connected with third wire on the battery, the one end fixedly connected with motor of battery is kept away from to the third wire.

Through the technical scheme, the battery can supply power to the motor through the lead, so that the motor is used as the power source of the whole device.

Preferably, the motor is fixedly connected with a second wire, one end of the second wire, which is far away from the motor, is fixedly connected with the fixing seat, the output end of the motor is fixedly connected with a transmission shaft, and one end of the transmission shaft, which is far away from the motor, is fixedly connected with a drive bevel gear.

Preferably, the dynamics adjustment mechanism comprises an input shaft, the input shaft is connected with the input shaft in a penetrating and rotating manner in the driving box, one end, close to the driving box, of the input shaft is fixedly connected with a driven bevel gear, the driven bevel gear and the driving bevel gear are in meshed fit with each other, one end, far away from the driven bevel gear, of the input shaft is fixedly connected with a sun gear, the upper surface of the driving box is fixedly connected with a shell, an outer gear ring is connected with the inner gear ring in a rotating manner, and a planet carrier is connected with the inner gear ring in a rotating manner.

Through the technical scheme, the power input by the motor can be transmitted to the extrusion wheel after being reduced by the planetary gear, the rotating speed of the extrusion wheel is reduced, and the torque of the extrusion wheel is increased.

Preferably, the planet carrier is close to a plurality of fixed axles of one end fixedly connected with of sun gear, run through on the fixed axle and rotate and be connected with the planetary gear, sun gear and outer ring gear all intermesh cooperation, the one end fixedly connected with a plurality of lugs that the input shaft was kept away from to the outer ring gear, a plurality of spouts have been seted up in the shell, sliding connection has the sliding plate in the shell, sliding plate outer wall fixedly connected with a plurality of sliders, slider and spout each other sliding fit, the upper surface fixedly connected with second spring of sliding plate, the one end fixedly connected with movable plate that the sliding plate was kept away from to the second spring, the shell outer fixedly connected with spacing ring, the outer rotation of shell is connected with the outer sleeve.

Preferably, the inner sleeve is fixedly connected with an internal thread, the movable plate is externally provided with an external thread, the internal thread and the external thread are engaged and matched with each other, the outer surface of the outer sleeve is provided with a plurality of anti-slip threads, the outer sleeve is internally provided with a groove, and the limiting ring and the groove are mutually in running fit.

Through the technical scheme, the position of the movable plate can be controlled by rotating the outer sleeve, so that the expansion and contraction amount of the spring is changed, and the pressure born by the sliding plate is changed.

Preferably, one end of the planet carrier far away from the input shaft is fixedly connected with an output shaft, one end of the output shaft far away from the planet carrier is fixedly connected with an extrusion wheel, the lower surface of the sliding plate is fixedly connected with a plurality of steel columns, and a plurality of steel columns are arranged at the end of the sliding plate far away from the steel columns in a round angle mode.

Through above-mentioned technical scheme, can block external tooth ring gear and rotate through steel column and lug cooperation.

Working principle: during intubation, a user holds the handle 2 and pulls the pull ring 9 to enable the sliding rod 32 to move outwards, so that the movable contact 35 is in contact with the fixed contact 37, a loop formed by the battery 38, the first conducting wire 39, the second conducting wire 310, the third conducting wire 311 and the motor 312 is connected, so that the motor 312 drives the transmission shaft 313 to rotate, the transmission shaft 313 drives the drive bevel gear 314 to rotate, the drive bevel gear 314 drives the input shaft 41 to rotate through mutual meshing with the driven bevel gear 421, the input shaft 41 drives the sun gear 42 to rotate, the sun gear 42 drives the planet gears 46 to rotate around the sun gear 42, at the moment, the outer gear 43 is subjected to the force of rotating the outer gear, but because the second spring 418 pushes the sliding plate 410 to press downwards, the steel column 412 clamps the lug 417 to prevent the outer gear 43 from rotating, so that the planet gears 46 drive the planet carrier 44 to rotate, the planet carrier 44 drives the extrusion wheel 5 to rotate through the output shaft 47, when the resistance of the intubation tube is overlarge, the lug 417 breaks through the resistance of the steel column 412, the outer gear 43 can rotate, so that the power of the sun gear 42 is transmitted to the sun gear 46, the sun gear 42 is prevented from being damaged by the rotation of the outer gear 46, and the force of the outer sleeve is prevented from being damaged by the movement of the second spring 415, and the sliding plate is prevented from being damaged by the movement of the sliding plate 410.

(III) beneficial effects

The invention provides a surgical cannula pusher. The beneficial effects are as follows:

according to the invention, the pull ring is pulled to drive the sliding rod to move, so that the movable contact is contacted with the fixed contact, a loop between the battery and the motor is connected, the motor is started, the input shaft is driven to rotate through meshing cooperation of the driving bevel gear and the driven bevel gear, the input shaft drives the sun gear to rotate, the planetary gear rotates around the sun gear, the planetary carrier drives the output shaft to rotate, the extrusion wheel and the extrusion plate are mutually matched, the insertion tube on the I-shaped wheel is pushed and inserted into a patient, when the extrusion wheel is subjected to certain resistance, the outer gear ring has a rotation trend under the driving of the planetary gear, at the moment, the outer gear ring is still under the cooperation of the convex block and the steel column, but when the outer gear ring is stressed excessively, the convex block pushes the steel column to upwards, the outer gear ring is rotated, at the moment, the planetary carrier does not rotate any more, only when the resistance of the outer gear ring gear is smaller than the blocking force of the steel column, the convex block is driven to rotate, the extrusion wheel is driven to rotate, and the maximum resistance born by the second spring can be adjusted only through rotating the outer sleeve, so that the insertion tube is not damaged when the insertion tube is carried out, and the insertion tube is avoided.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a bottom view of the force adjustment mechanism of the present invention;

FIG. 4 is a cross-sectional view of a force adjustment mechanism of the present invention;

FIG. 5 is a perspective view of a force adjustment mechanism of the present invention;

fig. 6 is a view showing the internal structure of the drive box of the present invention.

Wherein, 1, a fixing plate; 2. a handle; 3. a drive box; 31. a case shell; 32. a slide bar; 33. a first spring; 34. a baffle; 35. a movable contact; 36. a fixing seat; 37. a stationary contact; 38. a battery; 39. a first wire; 310. a second wire; 311. a third wire; 312. a motor; 313. a transmission shaft; 314. a drive bevel gear; 4. a force adjusting mechanism; 41. an input shaft; 42. a sun gear; 43. an outer ring gear; 44. a planet carrier; 45. a fixed shaft; 46. a planetary gear; 47. an output shaft; 48. a housing; 49. a chute; 410. a sliding plate; 411. a slide block; 412. a steel column; 413. a limiting ring; 414. a groove; 415. an outer sleeve; 416. an internal thread; 417. a bump; 418. a second spring; 419. a moving plate; 420. an external thread; 421. a driven bevel gear; 422. anti-skid lines; 5. a pressing wheel; 6. i-shaped wheel; 7. an anti-skid groove; 8. an extrusion plate; 9. and (5) a pull ring.

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.

Embodiment one:

as shown in fig. 1 and 2, an embodiment of the invention provides a surgical cannula propeller, which comprises a fixed plate 1, wherein the lower surface of the fixed plate 1 is fixedly connected with a driving box 3, one end of the driving box 3 is fixedly connected with a handle 2, the upper surface of one end of the fixed plate 1, which is close to the handle 2, is rotatably connected with a spool 6, the upper surface of one end of the driving box 3, which is far away from the handle 2, is fixedly connected with a force adjusting mechanism 4, one end of the force adjusting mechanism 4, which is far away from the driving box 3, is fixedly connected with a squeezing wheel 5, the upper surface of one end of the fixed plate 1, which is close to the squeezing wheel 5, is fixedly connected with a squeezing plate 8, and the outer surface of the squeezing wheel 5 is provided with a plurality of anti-sliding grooves 7.

As shown in fig. 3, 4 and 5, the force adjusting mechanism 4 includes an input shaft 41, the input shaft 41 is connected in the driving box 3 in a penetrating and rotating manner, one end of the input shaft 41, which is close to the driving box 3, is fixedly connected with a driven bevel gear 421, the driven bevel gear 421 and the driving bevel gear 314 are engaged with each other, one end, which is far away from the driven bevel gear 421, of the input shaft 41 is fixedly connected with a sun gear 42, the upper surface of the driving box 3 is fixedly connected with a housing 48, an outer gear ring 43 is connected in a rotating manner in the housing 48, and a planet carrier 44 is connected in a rotating manner in the outer gear ring 43.

The planet carrier 44 is close to one end fixedly connected with a plurality of fixed axles 45 of sun gear 42, run through on the fixed axle 45 and rotate and be connected with planetary gear 46, sun gear 42 and outer ring gear 43 all intermesh the cooperation, the one end fixedly connected with a plurality of lugs 417 that outer ring gear 43 kept away from input shaft 41, a plurality of spouts 49 have been seted up in the shell 48, sliding connection has sliding plate 410 in shell 48, sliding plate 410 outer wall fixedly connected with a plurality of sliders 411, sliding plate 411 and spout 49 each other sliding fit, sliding plate 410's upper surface fixedly connected with second spring 418, sliding plate 410's one end fixedly connected with movable plate 419 is kept away from to second spring 418, shell 48 external fixedly connected with spacing ring 413, shell 48 external rotation is connected with outer sleeve 415.

The one end fixedly connected with output shaft 47 that planet carrier 44 kept away from input shaft 41, the one end that output shaft 47 kept away from planet carrier 44 and extrusion wheel 5 fixed connection, the lower surface fixedly connected with of sliding plate 410 has a plurality of steel columns 412, and the one end that a plurality of steel columns 412 kept away from sliding plate 410 is the fillet setting.

As shown in fig. 6, the driving case 3 includes a case 31, a case 31 is fixedly connected to the lower surface of the fixing plate 1, a sliding rod 32 is connected to one end of the case 31 close to the handle 2 in a penetrating and sliding manner, a pull ring 9 is fixedly connected to one end of the sliding rod 32 close to the handle 2, a movable contact 35 is fixedly connected to one end of the sliding rod 32 away from the pull ring 9, a baffle 34 is fixedly connected to one end of the sliding rod 32 close to the movable contact 35, and a first spring 33 is fixedly connected to one end of the baffle 34 close to the pull ring 9.

The inner wall fixedly connected with fixing base 36 of one end that box shell 31 is close to pull ring 9, the one end fixedly connected with stationary contact 37 that box shell 31 was kept away from to fixing base 36, movable contact 35 and stationary contact 37 mutual electric connection, the one end fixedly connected with first wire 39 that slide bar 32 kept away from pull ring 9, the one end fixedly connected with battery 38 that slide bar 32 was kept away from to first wire 39, fixedly connected with third wire 311 on the battery 38, the one end fixedly connected with motor 312 that battery 38 was kept away from to third wire 311.

The motor 312 is fixedly connected with a second lead 310, one end of the second lead 310, which is far away from the motor 312, is fixedly connected with the fixed seat 36, the output end of the motor 312 is fixedly connected with a transmission shaft 313, and one end of the transmission shaft 313, which is far away from the motor 312, is fixedly connected with a drive bevel gear 314.

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. Surgical cannula pusher comprising a fixation plate (1), characterized in that: the utility model discloses a fixed plate, including fixed plate (1), fixed plate (1) and extrusion wheel (5) are kept away from to the lower fixed surface of fixed plate (1), one end fixedly connected with handle (2) of fixed plate (3), one end upper surface rotation that fixed plate (1) is close to handle (2) is connected with spool (6), one end upper surface fixedly connected with dynamics adjustment mechanism (4) that handle (2) were kept away from to drive plate (3), one end fixedly connected with extrusion wheel (5) that drive plate (4) kept away from, one end upper surface fixedly connected with extrusion plate (8) that fixed plate (1) is close to extrusion wheel (5), a plurality of anti-skidding grooves (7) have been seted up to the surface of extrusion wheel (5).

2. A surgical cannula pusher according to claim 1, wherein: the driving box (3) comprises a box shell (31), the lower surface fixedly connected with box shell (31) of fixed plate (1), the one end that box shell (31) is close to handle (2) runs through sliding connection has slide bar (32), one end fixedly connected with pull ring (9) that slide bar (32) is close to handle (2), one end fixedly connected with movable contact (35) that pull ring (9) was kept away from to slide bar (32), one end fixedly connected with baffle (34) that slide bar (32) is close to movable contact (35), one end fixedly connected with first spring (33) that baffle (34) is close to pull ring (9).

3. A surgical cannula pusher according to claim 2, wherein: the utility model discloses a box, including box (31), pull ring (9) and sliding rod, box (31) are close to one end inner wall fixedly connected with fixing base (36), one end fixedly connected with stationary contact (37) that box (31) were kept away from to fixing base (36), movable contact (35) and stationary contact (37) electric connection each other, one end fixedly connected with first wire (39) that pull ring (9) were kept away from to sliding rod (32), one end fixedly connected with battery (38) that sliding rod (32) was kept away from to first wire (39), fixedly connected with third wire (311) on battery (38), one end fixedly connected with motor (312) that battery (38) was kept away from to third wire (311).

4. A surgical cannula pusher according to claim 3, wherein: the motor (312) is fixedly connected with a second lead (310), one end, away from the motor (312), of the second lead (310) is fixedly connected with a fixed seat (36), the output end of the motor (312) is fixedly connected with a transmission shaft (313), and one end, away from the motor (312), of the transmission shaft (313) is fixedly connected with a drive bevel gear (314).

5. A surgical cannula pusher according to claim 1, wherein: the dynamics adjustment mechanism (4) comprises an input shaft (41), the input shaft (41) is connected with the input shaft (41) in a penetrating rotation manner in the driving box (3), one end of the input shaft (41) close to the driving box (3) is fixedly connected with a driven bevel gear (421), the driven bevel gear (421) and the driving bevel gear (314) are engaged with each other, one end of the input shaft (41) away from the driven bevel gear (421) is fixedly connected with a sun gear (42), the upper surface of the driving box (3) is fixedly connected with a shell (48), the outer gear (43) is rotationally connected with the shell (48), and the outer gear (43) is rotationally connected with a planet carrier (44).

6. A surgical cannula pusher according to claim 5, wherein: the planet carrier (44) is close to a plurality of fixed axles (45) of one end fixedly connected with of sun gear (42), run through swivelling joint has planetary gear (46) on fixed axle (45), planetary gear (46), sun gear (42) and external tooth ring (43) each other mesh the cooperation, the one end fixedly connected with a plurality of lugs (417) that input shaft (41) were kept away from to external tooth ring (43), a plurality of spouts (49) have been seted up in shell (48), sliding connection has sliding plate (410) in shell (48), sliding plate (410) outer wall fixedly connected with a plurality of sliders (411), sliding plate (411) and spout (49) each other sliding fit, the upper surface fixedly connected with second spring (418) of sliding plate (410), one end fixedly connected with movable plate (419) that sliding plate (410) were kept away from to second spring (418), shell (48) outer fixedly connected with spacing ring (413), outer rotating connection has outer sleeve (415) in shell (48).

7. A surgical cannula pusher according to claim 6, wherein: the novel anti-slip device comprises an outer sleeve (415), wherein an inner thread (416) is fixedly connected in the outer sleeve, an outer thread (420) is arranged on the outer side of a movable plate (419), the inner thread (416) and the outer thread (420) are meshed with each other, a plurality of anti-slip threads (422) are arranged on the outer surface of the outer sleeve (415), a groove (414) is formed in the outer sleeve (415), and the limiting ring (413) and the groove (414) are in mutual rotation fit.

8. A surgical cannula pusher according to claim 5, wherein: one end fixedly connected with output shaft (47) of input shaft (41) is kept away from to planet carrier (44), one end and pinch roller (5) fixed connection of planet carrier (44) are kept away from to output shaft (47), the lower surface fixedly connected with of sliding plate (410) a plurality of steel columns (412), a plurality of the one end that sliding plate (410) was kept away from to steel column (412) is the fillet setting.