CN213721844U

CN213721844U - Angle-adjustable neuroendoscopy

Info

Publication number: CN213721844U
Application number: CN202021845681.9U
Authority: CN
Inventors: 侯立军; 侯晓翔; 张丹枫; 朱开鑫; 曲笑霖; 李一明; 王君玉; 赵亮; 韩凯伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-30
Filing date: 2020-08-30
Publication date: 2021-07-20
Anticipated expiration: 2030-08-30

Abstract

The utility model discloses an angle-adjustable neuroendoscopy, which comprises an operation main body, an optical fiber seat, an image fiber seat, an endoscope tube and a rear end connecting seat; the tube comprises a tube sheath, an adjustable part and a lens which are connected in sequence, and the tail end of the tube sheath is connected to the optical fiber seat; the tube sheath is internally provided with a chain, the operation main body is internally provided with a main gear, and the operation main body is externally provided with a rotating knob. The main gear is driven to rotate by rotating the rotating button, the chain is further driven to axially translate along the tube sheath, the pinion rigidly connected with the adjustable part is further driven to rotate, and finally the adjustable part is driven to rotate by an angle, so that the visual field of the lens is rotated to reduce the visual field blind area. This maintains the advantages of a soft neuroendoscope. Meanwhile, the endoscope tube made of rigid materials can conveniently enter into the cranium, so that the advantage of the rigid neuroendoscope is kept.

Description

Angle-adjustable neuroendoscopy

Technical Field

The invention relates to a surgical instrument, in particular to an angle-adjustable neuroendoscope capable of diagnosing and treating cranial base abnormality.

Background

The neuroendoscopy is a main instrument for developing the neurosurgery endoscopic surgery, and along with the development of the surgical technology, the neuroendoscopy has wide application in the aspects of cerebrovascular diseases, craniocerebral tumors, craniocerebral fundus surgery and the like, and compared with the traditional surgery mode, the neuroendoscopy has the advantages of small trauma, clear visual field and the like when being operated, and can partially replace the traditional surgery mode in the treatment of certain craniocerebral diseases, thereby obtaining more satisfactory curative effect.

The existing nerve endoscopes comprise a hard nerve endoscope and a soft nerve endoscope; the hard nerve endoscope has the advantages that: the hard endoscope sheath is made of rigid materials, so an operator can easily enter the cranium along the cavity of the human body, and the cost is lower compared with a soft endoscope; the hard mirror has wide visual field, better balance and simple operation. The disadvantages are that: the sheath is rigid, so the lens cannot change direction, and a blind field exists. The soft neuroendoscope has the advantages that: the front end of the soft lens can change the direction, and the intracranial observation and operation can be smoothly carried out; the disadvantages are that: the tube sheath is soft, inconvenient in operation, difficult in learning and high in cost compared with a hard endoscope.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses to the disappearance that prior art exists, its main objective provides an angle-adjustable's nerve scope, and it can effectively solve current rigid nerve scope and have the problem that the angle of adjustment of being not convenient for observes intracranial and operate, and there is the inconvenient and with high costs problem of use with soft nerve scope.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an angle-adjustable neuroendoscopy comprises an operation main body, an optical fiber seat, an image fiber seat, an endoscope tube and a rear end connecting seat; the optical fiber seat is arranged at the front end of the operation body and internally provided with an optical fiber which extends into the endoscope tube; the image fiber seat is positioned above the operation main body and extends towards the back upper part, the image fiber is arranged in the image fiber seat, the image fiber extends to the lens tube, and the top of the image fiber seat is provided with an ocular lens; the tube comprises a tube sheath, an adjustable part and a lens which are connected in sequence, and the tail end of the tube sheath is connected to the optical fiber seat; the tube sheath is internally provided with a chain which can drive the adjustable part to rotate up and down, the main gear is arranged in the operation main body and can drive the chain to translate along the axial direction of the tube sheath, and the rotation knob is arranged outside the operation main body and can drive the main gear to rotate.

Preferably, the rotary knob is located on the right side of the operation main body and provided with scales, the rotary knob is rigidly connected with the main gear, the rotary knob is a cylinder, grooves are formed in the side edge of the rotary knob, and the grooves correspond to the scales.

Preferably, a handle portion is provided below the operating body, and the handle extends downward perpendicular to the operating body.

Preferably, the sheath and the adjustable part are both rigid pipelines, and the adjustable part is hinged with the sheath through a hinge.

Preferably, the adjustable part is provided with an auxiliary gear rigidly connected with the adjustable part, the chain can drive the auxiliary gear to rotate so as to drive the adjustable part to rotate by an angle of 180 degrees.

Preferably, the inner layer of the lens tube is made of soft materials and surrounds the content.

Preferably, the rear end of the operation body is provided with a rear end connecting seat, the connecting seat is provided with an aspirator channel, and the aspirator channel penetrates into the endoscope tube.

Preferably, the image fiber holder has an image pickup interface section to which an image pickup device can be connected.

Preferably, the optical fiber holder has a light source interface portion to which a light source can be connected.

Compared with the prior art, the utility model obvious advantage and profitable effect have, particularly, can know by above-mentioned technical scheme:

the main gear drives the main gear to rotate by rotating the rotating button, and the main gear drives the chain to translate along the axial direction of the tube sheath, so as to drive the auxiliary gear to rotate, and finally, the adjustable part hinged with the tube sheath can adjust the angle up and down, so that the lens can rotate the visual field to reduce the visual field blind area, thus the utility model keeps the advantages of the soft neuroendoscope; meanwhile, the endoscope tube made of rigid materials can conveniently enter into the cranium, so that the advantage of the rigid neuroendoscope is kept.

Drawings

For the purpose of illustrating the features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural diagram of the present invention; fig. 2 is a schematic cross-sectional view of the present invention.

The attached drawings indicate the following:

1. an operation body 2, an optical fiber seat 3, an image fiber seat 4, a lens tube 5, a rear end connecting seat 6, a tube sheath 7 and a handle part

8. Adjustable part 9, lens 10 soft material 11, rotary knob 12, light source interface part 13, hinge

14. Camera interface part 15, optical fiber 16, image fiber 17, ocular 18, chain 19, master gear

20. Pinion 21, aspirator passageway

Detailed Description

Referring to fig. 1 and 2, the structure of the preferred embodiment of the present invention is shown, which includes an operation body 1, an optical fiber holder 2, an image fiber holder 3, a lens tube 4 and a rear end connection holder 5.

The optical fiber seat 2 is positioned at the front end of the operation body 1, an optical fiber 15 is arranged in the optical fiber seat, and the optical fiber 15 extends into the lens tube 4; the image fiber seat 3 is positioned above the operation body 1 and extends towards the back and the upper direction, the image fiber 16 is arranged in the image fiber seat 3, the image fiber 16 extends to the lens tube 4, and the top of the image fiber seat 3 is provided with an ocular lens 17.

The tube 4 comprises a tube sheath 6, an adjustable part 8 and a lens 9 which are connected in sequence, and the tail end of the tube sheath 6 is connected to the optical fiber base 2; the tube sheath 6 is internally provided with a chain 18 which can drive the adjustable part 8 to rotate up and down, the main gear 19 is arranged in the operation main body 1, the main gear 19 can drive the chain 18 to translate along the axial direction of the tube sheath 6, the operation main body 1 is externally provided with a rotating knob 11, and the rotating knob 11 can drive the main gear 19 to rotate. In this embodiment, the knob 11 is located at the right side of the operation body 1 and has scales, the knob 11 is rigidly connected to the main gear 19, the knob 11 is a cylinder with a groove on the side, and the groove corresponds to the scales.

A handle portion 7 is provided below the operation body 1, and the handle portion 7 extends downward perpendicularly to the operation body 1. The sheath 6 and the adjustable portion 8 are both rigid conduits, and the adjustable portion 8 is hinged to the sheath 6 by a hinge 13. The adjustable part 8 is provided with a pinion 20 rigidly connected with the adjustable part, and the chain 18 can drive the pinion 20 to rotate so as to drive the adjustable part 8 to rotate by an angle of 180 degrees. The inner layer of the lens tube 4 is soft material 10 which surrounds the content.

The rear end of the operation body 1 is provided with a rear end connecting seat 5 having an aspirator passage 21, the aspirator passage 21 penetrating into the scope tube 4. The image fiber holder 3 has an image pickup interface part 14 to which an image pickup device can be connected. The optical fiber holder 2 has a light source interface part 12 to which a light source can be connected.

When the adjustable part is used, the rotating knob 11 on the right side of the operation main body 1 is rotated to drive the main gear 19 to rotate back and forth, the main gear 19 further drives the chain 18 to rotate, the chain 18 drives the pinion 20 rigidly connected with the adjustable part 8 to rotate, and finally, the rotation angle of the adjustable part 8 enables the lens 9 to rotate the visual field.

The utility model discloses a design key is: the main gear drives the main gear to rotate by rotating the rotating button, and the main gear drives the chain to translate along the axial direction of the tube sheath, so as to drive the auxiliary gear to rotate, and finally, the adjustable part hinged with the tube sheath can adjust the angle up and down, so that the lens can rotate the visual field to reduce the visual field blind area, thus the utility model keeps the advantages of the soft neuroendoscope; meanwhile, the endoscope tube made of rigid materials can conveniently enter into the cranium to observe nerve tissues and perform operation, so that the advantage of the rigid nerve endoscope is kept.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, and these embodiments will fall within the scope of the present invention.

Claims

1. The utility model provides an angularly adjustable neural scope which characterized in that: comprises an operation body, an optical fiber seat, an image fiber seat, a lens tube and a rear end connecting seat; the optical fiber seat is arranged at the front end of the operation body and internally provided with an optical fiber which extends into the endoscope tube; the image fiber seat is positioned above the operation main body and extends towards the back upper part, the image fiber is arranged in the image fiber seat, the image fiber extends to the lens tube, and the top of the image fiber seat is provided with an ocular lens; the tube comprises a tube sheath, an adjustable part and a lens which are connected in sequence, and the tail end of the tube sheath is connected to the optical fiber seat; the tube sheath is internally provided with a chain which can drive the adjustable part to rotate up and down, the main gear is arranged in the operation main body and can drive the chain to translate along the axial direction of the tube sheath, and the rotation knob is arranged outside the operation main body and can drive the main gear to rotate.

2. An angularly adjustable neuroendoscope according to claim 1, characterized in that: the rotary knob is positioned on the right side of the operation main body and is rigidly connected with the main gear, the rotary knob is a cylinder, the side of the rotary knob is provided with a groove, and the groove corresponds to the scale.

3. An angularly adjustable neuroendoscope according to claim 1, characterized in that: a handle portion is disposed below the operating body and extends downwardly perpendicular to the operating body.

4. An angularly adjustable neuroendoscope according to claim 1, characterized in that: the tube sheath and the adjustable part are both rigid pipelines, and the adjustable part is hinged with the tube sheath through a hinge.

5. An angularly adjustable neuroendoscope according to claim 1, characterized in that: the adjustable part is provided with an auxiliary gear which is rigidly connected with the adjustable part, and the chain can drive the auxiliary gear to rotate so as to drive the adjustable part to rotate by an angle of 180 degrees.

6. An angularly adjustable neuroendoscope according to claim 1, characterized in that: the inner layer of the lens tube is made of soft materials and wraps the contents.

7. An angularly adjustable neuroendoscope according to claim 1, characterized in that: the rear end of the operation body is provided with a rear end connecting seat, the connecting seat is provided with an aspirator channel, and the aspirator channel penetrates into the endoscope tube.

8. An angularly adjustable neuroendoscope according to claim 1, characterized in that: the image fiber seat is provided with a camera shooting interface part which can be connected with a camera shooting device.

9. An angularly adjustable neuroendoscope according to claim 1, characterized in that: the optical fiber seat is provided with a light source interface part which can be connected with a light source.