CN111528996A - Digestive endoscope minimally invasive scalpel device - Google Patents

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

A minimally invasive surgical knife device for digestive endoscope

technical field

The invention belongs to the technical field of minimally invasive scalpels, in particular to a minimally invasive scalpel device for digestive endoscope.

Background technique

Minimally invasive surgery, as the name implies, is a minimally invasive surgery, which refers to the use of modern medical instruments such as laparoscopes and thoracoscopes and related equipment. The advantages of minimally invasive surgery are less trauma, less pain and faster recovery.

In the process of minimally invasive surgery, it is often necessary to use a minimally invasive scalpel, but the angle of the blade head of an ordinary minimally invasive scalpel is often fixed, and it is difficult to adjust the angle of the scalpel according to the position of the patient's affected area, which is inconvenient. People separate and cut the affected areas at different positions and angles, which is inconvenient for people to use, making the practicability low.

SUMMARY OF THE INVENTION

(1) Technical problems solved

In order to overcome the above-mentioned defects of the prior art, the present invention provides a digestive endoscope minimally invasive scalpel device, which solves the problem that the angle of the blade head of the common minimally invasive scalpel is often fixed, and it is difficult to adjust the scalpel according to the position of the patient's affected part. Therefore, it is inconvenient for people to separate and cut affected areas at different positions and angles, and it is inconvenient for people to use, resulting in the problem of low practicability.

(2) Technical solutions

In order to achieve the above purpose, the present invention provides the following technical solutions: a digestive endoscope minimally invasive scalpel device, comprising a barrel, a nut is fixedly connected to the right side of the inner wall of the barrel, and a screw is connected to the inner thread of the nut, The top end of the screw rod is fixedly connected with a rotating device, the rotating device is clamped on the bottom end of the sliding rod, the top end of the sliding rod is fixedly connected with a toothed rod, the toothed rod is engaged with the first gear, the first A third rotating shaft is clamped inside the gear, a second gear is clamped on the outer surface of the third rotating shaft, the second gear is engaged with the third gear, and a cutter body is fixedly connected to the upper surface of the third gear.

As a further solution of the present invention: the cutter body is clamped with a second rotating shaft, the outer surface of the second rotating shaft is sleeved with two second bearings, and the second bearings are clamped on the left side of the fixing block, Both of the fixing blocks are fixedly connected to the upper surface of the cylinder.

As a further solution of the present invention: two third bearings are sleeved on the outer surface of the third rotating shaft, and the third bearings are clamped on the left side of the inner wall of the cylinder

As a further solution of the present invention, a sliding sleeve is connected to the outer sleeve of the sliding rod, the sliding sleeve is fixedly connected to the right side of the inner wall of the cylinder, and the bottom end of the screw rod is fixedly connected with a turning handle.

As a further solution of the present invention, the shape of the sliding rod is set as a rectangle, and the shape of the sliding sleeve is adapted to the shape of the sliding rod.

As a further solution of the present invention: the rotating device includes a first rotating shaft, the first rotating shaft is fixedly connected to the top end of the screw, the outer surface of the first rotating shaft is sleeved with a first bearing, and the first bearing is clamped at the bottom end of the slider.

(3) Beneficial effects

Compared with the prior art, the beneficial effects of the present invention are:

1. The digestive endoscope minimally invasive scalpel device is provided with a turning handle, a screw, a sliding rod, a toothed rod, a first gear, a second gear and a third gear. When needed, people turn the screw through the turning handle, so that the The screw pushes the gear rod to move upward through the sliding rod, so that the gear rod drives the second gear to rotate through the first gear and the third rotating shaft, so that the second gear drives the cutter body to rotate to an appropriate angle through the third gear, so that the angle adjustment of the cutter body is completed. Therefore, the device can adjust the angle according to the needs of the actual situation, so that it can adapt to the affected parts of the patient in different positions, which is convenient for people to use, thereby improving the practicability of the device.

2. The digestive endoscope minimally invasive scalpel device is provided with a sliding rod and a sliding sleeve, and the shapes of the sliding rod and the sliding sleeve are set to be rectangular, and the sliding rod can slide more smoothly in the sliding sleeve, ensuring the gear rod. The stability of the up and down movement can ensure the normal use of the device.

3. The digestive endoscope minimally invasive scalpel device is provided with a second rotating shaft and a second bearing, and the second rotating shaft can perform effective rotating work on the second bearing, ensuring the stable rotating work of the second rotating shaft, and at the same time ensuring The stability of the rotation of the cutter body and the third gear further ensures the stable adjustment of the angle of the device.

Description of drawings

Fig. 1 is the cross-sectional structure schematic diagram of the front view of the present invention;

Fig. 2 is the enlarged structural representation at A place of the present invention;

Fig. 3 is the structural schematic diagram of the top view of the sliding sleeve of the present invention;

Fig. 4 is the structural representation of the right side view of the gear rod of the present invention;

In the figure: 1 barrel, 2 nut, 3 screw, 4 rotating device, 41 first shaft, 42 first bearing, 5 sliding rod, 6 sliding sleeve, 7 tooth rod, 8 first gear, 9 second gear, 10 Third gear, 11 cutter body, 12 second shaft, 13 second bearing, 14 fixed block, 15 third bearing, 16 third shaft, 17 turning handle.

Detailed ways

The technical solution of the present patent will be described in further detail below in conjunction with specific embodiments.

As shown in Figures 1-4, the present invention provides a technical solution: a minimally invasive surgical knife device for digestive endoscope, comprising a cylinder body 1, a nut 2 is fixedly connected to the right side of the inner wall of the cylinder body 1, and the nut 2 has an internal thread The screw rod 3 is connected. By setting the screw rod 3 and the nut 2, and the screw rod 3 can move up and down under the threaded connection of the nut 2, it is convenient to control the sliding rod 5 and the tooth rod 7 to move up and down, and the nut 2 The threaded connection relationship with the screw rod 3 is more conducive to people's fine-tuning of the angle of the cutter body 11. The top of the screw rod 3 is fixedly connected with a rotating device 4, and the rotating device 4 is clamped on the bottom end of the sliding rod 5. The top end is fixedly connected with a toothed rod 7, the toothed rod 7 is engaged with the first gear 8, the third rotating shaft 16 is clamped in the first gear 8, and the second gear 9 is clamped on the outer surface of the third rotating shaft 16, and the second gear 9 Meshing with the third gear 10 , 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 clamped in the cutter body 11 , and two second bearings 13 are sleeved on the outer surface of the second rotating shaft 12 . By arranging the second rotating shaft 12 and the second bearing 13 , And the second rotating shaft 12 can perform effective rotation work on the second bearing 13, which ensures the stable rotating work of the second rotating shaft 12, and at the same time ensures the stability of the rotation of the cutter body 11 and the third gear 10, and further ensures the angle of the device. In the work of stable adjustment, the second bearing 13 is clamped on the left side of the fixed block 14. By setting the fixed block 14, the fixed block 14 can fix the position of the second bearing 13, thereby ensuring that the second bearing 13 and the first In the normal cooperation between the two rotating shafts 12, the two fixing blocks 14 are fixedly connected to the upper surface of the cylinder body 1, and the outer surface of the third rotating shaft 16 is sleeved with two third bearings 15. By setting the third rotating shaft 16 and the The third bearing 15, and the third shaft 16 can rotate more smoothly in the third bearing 15, so as to ensure the stable rotation of the second gear 9 and the first gear 8, and the third bearing 15 is clamped on the inner wall of the cylinder 1. The left side of the slide bar 5 is connected with a sliding sleeve 6, the sliding sleeve 6 is fixedly connected to the right side of the inner wall of the cylinder 1, and the bottom end of the screw 3 is fixedly connected with a turning handle 17. By setting the turning handle 17, and turning The handle 17 can provide a force application point for people, so that it is convenient for people to rotate the screw 3 by turning the handle 17. The shape of the sliding rod 5 is set to a rectangle, and the shape of the sliding sleeve 6 is adapted to the shape of the sliding rod 5. By setting the sliding rod 5 and the sliding sleeve 6, and the shapes of the sliding rod 5 and the sliding sleeve 6 are set to be rectangular, and the sliding rod 5 can slide more smoothly in the sliding sleeve 6, which ensures the stability of the up and down movement of the toothed rod 7, thereby ensuring The device works normally.

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 3 , and a first bearing 42 is sleeved on the outer surface of the first rotating shaft 41 . 41 and the first bearing 42 , and the first shaft 41 can rotate more stably in the first bearing 42 , so as to ensure the normal rotation of the screw 3 .

The working principle of the present invention is:

S1. When it needs to be used, people turn the handle 17, so that the handle 17 drives the screw 3 to rotate, so that the screw 3 drives the sliding rod 5 to move upward, so that the sliding rod 5 drives the toothed rod 7 to move upward, so that the toothed rod 7 drives the first gear 8 rotates;

S2. At this time, the first gear 8 drives the second gear 9 to rotate through the third shaft 16, so that the second gear 9 drives the third gear 10 to rotate, so that the third gear 10 drives the cutter body 11 to rotate;

S3. When the cutter body 11 rotates to an appropriate angle, people stop turning the turning handle 17, so that the angle adjustment of the cutter body 11 is completed.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood through specific situations.

The preferred embodiments of the present patent have been described in detail above, but the present patent is not limited to the above-mentioned embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various modifications can be made without departing from the purpose of the present patent. kind of change.

Claims (6)

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.

Images