CN111528996A

CN111528996A - Digestive endoscope minimally invasive scalpel device

Info

Publication number: CN111528996A
Application number: CN202010442111.3A
Authority: CN
Inventors: 王慧; 姚振涛; 马飞
Original assignee: Henan Cancer Hospital
Current assignee: Henan Cancer Hospital
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2020-08-14

Abstract

The invention discloses a digestive endoscope minimally invasive scalpel device, which belongs to the technical field of minimally invasive scalpels and comprises a barrel, wherein a nut is fixedly connected to the right side surface of the inner wall of the barrel, a screw rod is connected with the nut in an internal thread manner, a rotating device is fixedly connected to the top end of the screw rod in a clamping manner, a toothed bar is fixedly connected to the top end of the slide rod, the toothed bar is meshed with a first gear, a third rotating shaft is connected to the first gear in a clamping manner, a second gear is connected to the outer surface of the third rotating shaft in a clamping manner, and the second gear is meshed with the third gear. This digestion scope minimal access surgery sword device changes handle, screw rod, slide bar, ratch, first gear, second gear and third gear through setting up to make this device can carry out the adjustment work of angle according to actual conditions's demand, with this affected part that can adapt to the different positions of patient, made things convenient for people's use, thereby improved the practicality of this device.

Description

Digestive endoscope minimally invasive scalpel device

Technical Field

The invention belongs to the technical field of minimally invasive scalpels, and particularly relates to a digestive endoscope minimally invasive scalpel device.

Background

The minimally invasive surgery, which is an operation with tiny wounds as the name implies, refers to an operation performed by using modern medical instruments such as a laparoscope, a thoracoscope and the like and related equipment, and has the advantages of small wounds, light pain and quick recovery.

In the process of minimally invasive surgery, a minimally invasive scalpel is often required to be used, but the angle of a tool bit of the common minimally invasive scalpel is often fixed and is difficult to adjust the angle of the scalpel according to the position of an affected part of a patient, so that people are not convenient to separate and cut the affected parts with different positions and different angles, the minimally invasive scalpel is inconvenient to use, and the practicability is low.

Disclosure of Invention

Technical problem to be solved

In order to overcome the defects of the prior art, the invention provides a digestive endoscope minimally invasive scalpel device, which solves the problems that the knife head angle of a common minimally invasive scalpel is often fixed, and the angle of the scalpel is difficult to adjust according to the position of an affected part of a patient, so that the affected parts at different positions and different angles are inconvenient to separate and cut by people, the use by people is inconvenient, and the practicability is low.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a digestion scope minimal access surgery sword device, includes the barrel, the right flank fixedly connected with nut of barrel inner wall, nut internal thread connection has the screw rod, the top fixedly connected with rotary device of screw rod, the rotary device joint is in the bottom of slide bar, the top fixedly connected with ratch of slide bar, ratch and first gear engagement, the joint has the third pivot in the first gear, the surface joint of third pivot has the second gear, second gear and third gear engagement, the last fixed surface of third gear is connected with the cutter body.

As a further scheme of the invention: the cutter body is internally connected with a second rotating shaft in a clamping mode, two second bearings are sleeved on the outer surface of the second rotating shaft and are connected with the left side face of the fixing block in a clamping mode, and the fixing block is fixedly connected to the upper surface of the barrel.

As a further scheme of the invention: the outer surface of the third rotating shaft is sleeved with two third bearings, and the third bearings are clamped on the left side surface of the inner wall of the barrel body

As a further scheme of the invention: the sliding rod is sleeved with a sliding sleeve, the sliding sleeve is fixedly connected to the right side face of the inner wall of the barrel, and the bottom end of the screw rod is fixedly connected with a rotating handle.

As a further scheme of the invention: the slide bar is rectangular, and the sliding sleeve is matched with the slide bar in shape.

As a further scheme of the invention: the rotating device comprises a first rotating shaft, the first rotating shaft is fixedly connected to the top end of the screw rod, a first bearing is sleeved on the outer surface of the first rotating shaft, and the first bearing is clamped at the bottom end of the sliding rod.

(III) advantageous effects

Compared with the prior art, the invention has the beneficial effects that:

1. this digestion scope minimal access surgery sword device, change the handle through the setting, the screw rod, the slide bar, the ratch, first gear, second gear and third gear, when needs use, people are through changeing the rotation screw rod, make the screw rod promote the ratch rebound through the slide bar, make the ratch drive the second gear through first gear and third pivot and rotate, make the second gear drive the cutter body through the third gear and rotate to suitable angle, make cutter body angle modulation accomplish, thereby make this device can carry out the adjustment work of angle according to actual conditions's demand, with this affected part that can adapt to patient different positions, people's use has been made things convenient for, thereby the practicality of this device has been improved.

2. This digestion scope minimal access surgery sword device through setting up slide bar and sliding sleeve, and the shape of slide bar and sliding sleeve all sets up to the rectangle, and the slide bar can be in the sliding sleeve gliding more steady, has guaranteed the stationarity that the ratch reciprocated to can guarantee the work of this device normal use.

3. This digestion scope minimal access surgery sword device through setting up second pivot and second bearing, and the second pivot can carry out effectual rotation work at the second bearing, has guaranteed the stable rotation work of second pivot, has guaranteed the rotatory stability of cutter body and third gear simultaneously, has further guaranteed the work of this device angular stability regulation.

Drawings

FIG. 1 is a schematic cross-sectional view of the front view of the present invention;

FIG. 2 is an enlarged schematic view of the structure of the present invention at A;

FIG. 3 is a schematic top view of the sliding sleeve of the present invention;

FIG. 4 is a structural diagram of the rack bar of the present invention viewed from the right;

in the figure: the device comprises a cylinder 1, a nut 2, a screw 3, a rotating device 4, a first rotating shaft 41, a first bearing 42, a sliding rod 5, a sliding sleeve 6, a toothed rod 7, a first gear 8, a second gear 9, a third gear 10, a cutter body 11, a second rotating shaft 12, a second bearing 13, a fixed block 14, a third bearing 15, a third rotating shaft 16 and a rotating handle 17.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 4, the present invention provides a technical solution: a digestive endoscopy minimally invasive scalpel device comprises a barrel body 1, a nut 2 is fixedly connected to the right side surface of the inner wall of the barrel body 1, a screw 3 is in threaded connection with the nut 2, the screw 3 and the nut 2 are arranged, and the screw 3 can move up and down under the threaded connection effect of the nut 2, so that the up-and-down movement work of a sliding rod 5 and a toothed bar 7 is conveniently controlled, the threaded connection relation between the nut 2 and the screw 3 is more favorable for people to finely adjust the angle of a scalpel body 11, a rotating device 4 is fixedly connected to the top end of the screw 3, the rotating device 4 is clamped at the bottom end of the sliding rod 5, the toothed bar 7 is fixedly connected to the top end of the sliding rod 5, the toothed bar 7 is meshed with a first gear 8, a third rotating shaft 16 is clamped in the first gear 8, a second gear 9 is clamped on the outer surface of the third rotating shaft 16, and, a cutter body 11 is fixedly connected to the upper surface of the third gear 10.

Specifically, as shown in fig. 1, a second rotating shaft 12 is connected in a clamping manner in a cutter body 11, two second bearings 13 are sleeved on the outer surface of the second rotating shaft 12, the second rotating shaft 12 and the second bearings 13 are arranged, and the second rotating shaft 12 can perform effective rotating work on the second bearings 13, so that the stable rotating work of the second rotating shaft 12 is ensured, the rotating stability of the cutter body 11 and a third gear 10 is ensured, and the angle stable adjustment work of the device is further ensured, the second bearings 13 are connected on the left side surface of a fixed block 14 in a clamping manner, by arranging the fixed block 14, and the position of the second bearings 13 can be fixed by the fixed block 14, so that the normal matching work between the second bearings 13 and the second rotating shaft 12 can be ensured, the two fixed blocks 14 are both fixedly connected on the upper surface of the barrel 1, two third bearings 15 are sleeved on the outer surface of the third rotating shaft 16, and by arranging the third rotating shaft 16 and the third, and the third rotating shaft 16 can rotate more stably in the third bearing 15, so that the rotating stability of the second gear 9 and the first gear 8 can be ensured, the third bearing 15 is clamped on the left side surface of the inner wall of the cylinder 1, the sliding sleeve 6 is sleeved outside the sliding rod 5, the sliding sleeve 6 is fixedly connected on the right side surface of the inner wall of the cylinder 1, the bottom end of the screw rod 3 is fixedly connected with a rotating handle 17, the rotating handle 17 is arranged, and the rotating handle 17 can provide a force application point for people, thereby facilitating the work of people rotating the screw rod 3 through the rotating handle 17, the slide rod 5 is set to be rectangular, the shape of the sliding sleeve 6 is matched with the shape of the slide rod 5, through setting up slide bar 5 and sliding sleeve 6, and the shape of slide bar 5 and sliding sleeve 6 all sets up to the rectangle, and slide bar 5 can be more steady in sliding sleeve 6 gliding, has guaranteed the stationarity that ratch 7 reciprocated to can guarantee the work of this device normal use.

Specifically, as shown in fig. 2, the rotating device 4 includes a first rotating shaft 41, the first rotating shaft 41 is fixedly connected to the top end of the screw rod 3, a first bearing 42 is sleeved on the outer surface of the first rotating shaft 41, and by arranging the first rotating shaft 41 and the first bearing 42, the first rotating shaft 41 can be more stable in rotation in the first bearing 42, so that the normal rotation of the screw rod 3 can be ensured, and the first bearing 42 is clamped at the bottom end of the sliding rod 5.

The working principle of the invention is as follows:

s1, when the gear box needs to be used, people rotate the rotating handle 17, so that the rotating handle 17 drives the screw rod 3 to rotate, the screw rod 3 drives the sliding rod 5 to move upwards, the sliding rod 5 drives the rack bar 7 to move upwards, and the rack bar 7 drives the first gear 8 to rotate;

s2, at this time, the first gear 8 drives the second gear 9 to rotate through the third rotating shaft 16, so that the second gear 9 drives the third gear 10 to rotate, and the third gear 10 drives the cutter body 11 to rotate;

and S3, when the cutter body 11 rotates to a proper angle, stopping rotating the rotating handle 17, and finishing the angle adjustment work of the cutter body 11.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a digestion scope minimal access surgery sword device, includes barrel (1), its characterized in that: the right side face fixedly connected with nut (2) of barrel (1) inner wall, nut (2) internal thread connection has screw rod (3), the top fixedly connected with rotary device (4) of screw rod (3), rotary device (4) joint is in the bottom of slide bar (5), the top fixedly connected with ratch (7) of slide bar (5), ratch (7) and first gear (8) meshing, the joint has third pivot (16) in first gear (8), the surface joint of third pivot (16) has second gear (9), second gear (9) and third gear (10) meshing, the last fixed surface of third gear (10) is connected with cutter body (11).

2. The digestive endoscope minimally invasive surgical knife device according to claim 1, characterized in that: the cutter body (11) is internally connected with a second rotating shaft (12) in a clamping mode, two second bearings (13) are sleeved on the outer surface of the second rotating shaft (12), the second bearings (13) are connected to the left side face of the fixing block (14) in a clamping mode, and the fixing block (14) is fixedly connected to the upper surface of the barrel body (1).

3. The digestive endoscope minimally invasive surgical knife device according to claim 1, characterized in that: two third bearings (15) are sleeved on the outer surface of the third rotating shaft (16), and the third bearings (15) are clamped on the left side surface of the inner wall of the barrel body (1).

4. The digestive endoscope minimally invasive surgical knife device according to claim 1, characterized in that: sliding sleeve (6) have cup jointed outside slide bar (5), sliding sleeve (6) fixed connection is in the right flank of barrel (1) inner wall, the bottom fixedly connected with of screw rod (3) changes handle (17).

5. The digestive endoscope minimally invasive surgical knife device according to claim 4, characterized in that: the slide bar (5) is rectangular, and the sliding sleeve (6) is matched with the slide bar (5) in shape.

6. The digestive endoscope minimally invasive surgical knife device according to claim 1, characterized in that: the rotating device (4) comprises a first rotating shaft (41), the first rotating shaft (41) is fixedly connected to the top end of the screw rod (3), a first bearing (42) is sleeved on the outer surface of the first rotating shaft (41), and the first bearing (42) is connected to the bottom end of the sliding rod (5) in a clamped mode.