CN211985344U - Thoracoscope with bendable and shaped tube - Google Patents
Thoracoscope with bendable and shaped tube Download PDFInfo
- Publication number
- CN211985344U CN211985344U CN202020221605.4U CN202020221605U CN211985344U CN 211985344 U CN211985344 U CN 211985344U CN 202020221605 U CN202020221605 U CN 202020221605U CN 211985344 U CN211985344 U CN 211985344U
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- tube
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- control line
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- pull ring
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Abstract
The utility model relates to a thoracoscope of mirror tube flexible design, its characterized in that: comprises a mirror tube tail, a mirror tube, a steering head and a control line; the mirror tube tail comprises a mirror tube seat, a pull ring, a spring and a tail cover; the pull ring slides in the lens tube seat to compress the spring and is reset by the spring at the same time, and a control line is pulled; the central part of the lens tube is provided with a rod with a circular through hole with the same diameter as the inside of the lens tube seat, and four control wire channels communicated with the control wire holes of the lens tube seat are arranged around the circular through hole; the steering head comprises a lens and an elastic tube; the elastic tube is an elastic rubber tube, a spring is arranged in the tube wall, and four control line outlets in a circumferential array are arranged at the bottom end of the elastic tube; the control line is nylon fine rule one end and is being on the control line fixed column, and the other end passes through control line passageway and control line export and is in the clearance between camera lens and elastic tube, and the terminal position and the control line passageway position of four control lines correspond. The utility model discloses the camera lens can be by four directions crooked in the thorax to the chest condition is observed to each angle.
Description
Technical Field
The utility model relates to the field of medical equipment, concretely relates to thoracoscope of mirror tube flexible design.
Background
The thoracoscope is known as one of the major breakthroughs of the thoracic surgery field in the last century, and is a representative operation of the minimally invasive thoracic surgery. The thoracoscopic surgery (television assisted thoracoscopic surgery) uses a modern television camera technology and high-tech surgical instrument equipment to complete a minimally invasive thoracic surgery new technology of complicated operations in the chest under a chest wall sleeve or a micro incision, changes the treatment concept of some thoracic surgical diseases, is considered to be the most important progress of the thoracic surgery at the end of 20 th century, and is the development direction of the thoracic surgery in the future.
The tube of the thoracoscope is generally a straight tube, and the angle can be adjusted only by an external grab handle after the thoracoscope is placed in the thoracic cavity, so that the lens cannot be flexibly turned; after improvement, the purpose of observing dead angles by a lens is achieved by pre-bending the lens, and when the focus of a plurality of parts of the thoracic cavity is observed, all observation angles can not be met by one-time pre-bending; both the endoscope and the thoracoscope need to be twisted to adjust the lens, and the endoscope placing port is pulled in the twisting process, which may cause the placing port to be secondarily expanded, even if the thoracoscope is loosened, the secondary wound of the placing port is caused.
To sum up, the utility model discloses the technical problem that will solve is:
the existing thoracoscope lens can not be turned around and can not be bent freely, so that an observation dead angle exists in the thoracic cavity; the pre-bent thoracic cavity lens is inflexible in steering, and dead angles exist for observing a plurality of focuses in the thoracic cavity; the rotation of the endoscope tube pulls the endoscope tube entrance, which may cause the entrance to expand for the second time, which not only makes the thoracoscope loose, but also causes the secondary wound of the entrance.
The contents of the utility model
For solving the above technical problem the utility model discloses a technical scheme does: provides a thoracoscope with a bendable and stereotyped tube, which comprises a tube tail, a tube, a steering head and a control line;
the mirror tube tail comprises a mirror tube seat, a pull ring, a spring and a tail cover; the lens tube seat main body is a cylinder, a circular through hole is formed in the center of the bottom surface of the lens tube seat main body, four circular holes in circumferential array, namely spring grooves, are formed around the circular through hole, a rectangular groove, namely a pull ring groove, is radially arranged on the side wall of each spring groove, a control wire channel leading to an external circular small hole is formed in the bottom of each spring groove, and external threads are formed in the side surface of the bottom end of the tail seat; the pull ring is a combination of a small circular tube and a circular ring, the circular ring is positioned on the side wall of the small circular tube, a protruding small cylinder is arranged at the position, close to the bottom end of the spring groove, of the small circular tube, a through hole is formed in the side surface of the small cylinder, the small cylinder is a control line fixing column, the small circular tube of the pull ring is placed in the spring groove, and the circular ring is extended out of the lens tube base from the pull ring groove; the tail cover is a cylinder with an opening at the upper end, a round hole with the same diameter as the central round hole of the lens tube base is arranged on the bottom surface, internal threads are arranged on the side wall, and the tail cover is in threaded connection with the lens tube base; the spring is placed in the spring groove and props against the pull ring small cylinder;
the central part of the mirror tube is provided with a rod with a circular through hole with the same diameter as the inside of the mirror tube seat, and four control wire channels communicated with the control wire holes of the mirror tube seat are arranged around the circular through hole;
the steering head comprises a lens and an elastic tube; the elastic tube is an elastic rubber tube, a spring is arranged in the tube wall, four control line outlets in a circumferential array are arranged at the bottom end of the elastic tube, one end of the elastic tube is connected with the lens tube, and the other end of the elastic tube is provided with the lens;
one end of the control line is a nylon thin line and is tied on the control line fixing column, the other end of the control line passes through the control line channel of the lens tube seat and the lens tube, penetrates out of the steering head control line outlet and is tied in a gap between the lens and the elastic tube, and the tail end positions of the four control lines correspond to the positions of the control line channels.
Furthermore, the elasticity of the spring at the mirror tube tail can push the pull ring to the tail end of the pull ring groove when the pull ring is not pulled by fingers, and the pull ring can slide in the spring groove and the pull ring groove.
Furthermore, the elastic tube can be bent towards the traction direction when being pulled by the control line, and the elastic tube is elastically restored to be in a straight strip shape after the traction force disappears.
Furthermore, a power line and an optical cable of the lens are connected with external display equipment from an inner round hole of the thoracoscope with the bendable and shaped scope tube.
Further, the control line is in a taut state when the apparatus is not in use but does not cause the steering head to bend.
Beneficial effects of the utility model
(1) The steering head of the device has the advantages that the steering head can not break the pipe when being bent through the design that the spring is embedded in the rubber pipe, and the steering head can elastically return to the original shape after being bent.
(2) The device pulls the steering head to bend through four control lines, so that the lens can bend in four directions, and the observation direction is wider.
(3) The lens of the device is bent without turning the lens tube in a large direction, the opposite inlets are less pulled, and the lens tube is fixed stably without causing secondary trauma.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural view of a thoracoscope with a bendable and shapeable scope tube;
FIG. 2 is a schematic structural view of a lens barrel tail;
FIG. 3 is a schematic view of the structure of the lens holder;
FIG. 4 is a schematic structural view of a tab;
FIG. 5 is a schematic structural view of the tail cover;
FIG. 6 is a schematic structural view of the lens tube;
fig. 7 is a schematic structural view of the steering head.
The parts and their numbers in the drawings are:
the endoscope comprises an endoscope tail 1, an endoscope tube 2, a steering head 3, a control line 4, an endoscope tube seat 5, a pull ring 6, a spring 7, a tail cover 8, a circular through hole 9, a spring groove 10, a pull ring groove 11, a control line channel 12, a small circular tube 13, a circular ring 14, a control line fixing column 15, a circular hole 16, a lens 17, an elastic tube 18, a spring 19 and a control line outlet 20.
Examples
The technical solution of the present invention will be described clearly and completely through the following embodiments, and it should be noted that the present invention provides a lens and a display device, which are the lens and the display device of the current thoracoscope.
Example I
The utility model discloses a structure of thoracoscope of mirror tube flexible design is shown in figure 1: comprises a mirror tube tail 1, a mirror tube 2, a steering head 3 and a control line 4;
the structure of the tube tail 1 is shown in fig. 2, 3, 4 and 5: comprises a mirror tube seat 5, a pull ring 6, a spring 7 and a tail cover 8; the main body of the lens tube seat 5 (shown in figure 3) is a cylinder, a circular through hole 9 is arranged in the center of the bottom surface, four circular holes in circumferential array, namely spring slots 10, are arranged around the circular through hole 9, a rectangular slot, namely a pull ring slot 11, is arranged on the side wall of each spring slot 10 in a radial arrangement mode, a small circular hole, namely a control wire channel 12, which is led to the outside is arranged at the bottom of each spring slot 10, and external threads are arranged on the side surface of the bottom end of the tail seat 1; the pull ring 6 (as shown in fig. 4) is a combination of a small circular tube 13 and a circular ring 14, the circular ring 14 is positioned on the side wall of the small circular tube 13, a raised small cylinder is arranged at the position of the small circular tube 13 close to the bottom end of the spring groove 10, a through hole is arranged on the side surface of the small cylinder, the small cylinder is a control line fixing column 15, the small circular tube 13 of the pull ring 6 is placed in the spring groove 10, and the circular ring 14 extends out of the lens tube base 5 from the pull ring groove 11; the tail cover 8 (shown in figure 5) is a cylinder with an opening at the upper end, the bottom surface of the tail cover is provided with a round hole 16 with the same diameter as the central round hole 9 of the lens tube seat 5, the side wall of the tail cover is provided with internal threads, and the tail cover 8 is in threaded connection with the lens tube seat 5; the spring 7 is placed in the spring groove 10 and props against the small cylinder of the pull ring 6; the tail cover 8 blocks the spring groove 10 and the pull ring groove 11 after the pull ring 6 and the spring 7 are placed in the spring groove 10 and the pull ring groove 11, so that the pull ring 6 and the spring 7 cannot slide out of the lens tube base 5; the elasticity of the spring 7 of the lens tube tail 1 can push the pull ring 6 to the tail end of the pull ring groove 11 when the pull ring 6 is not pulled by fingers, the pull ring 6 can slide in the spring groove 10 and the pull ring groove 11, and the spring 7 enables the pull ring 6 to reset after the fingers pull the pull ring 6 to the bottom end of the pull ring groove 11.
The lens tube 2 is shown in fig. 6: the lens tube 2 is a rod with a circular through hole 9 with the same diameter as the inside of the lens tube seat 5 at the center, and four control wire channels 12 communicated with the control wire channel 12 of the lens tube seat 5 are arranged around the circular through hole 9; the lens tube 2 is used for extending the penetration depth of the lens 17.
The structure of the steering head 3 is shown in fig. 7: comprises a lens 17 and an elastic tube 18; the elastic tube 18 is an elastic rubber tube, a spring 19 is arranged in the tube wall, four control line outlets 20 in circumferential array are arranged at the bottom end, one end of each control line outlet is connected with the lens tube 2, and the other end of each control line outlet is provided with the lens 17;
one end of the control wire 4 is made of nylon thin wire and is tied on the control wire fixing column 15, the other end of the control wire 4 passes through the control wire channel 12 of the lens tube seat 5 and the lens tube 2, the control wire outlet 16 of the steering head 3 penetrates out of the control wire channel and is tied in a gap between the lens 17 and the elastic tube 18, and the tail end positions of the four control wires 4 correspond to the positions of the control wire channel 12.
The utility model discloses a thoracoscope of mirror tube flexible design's principle does:
the control line 4 is in a tense state when the device is not used, but the steering head 3 cannot be bent, the stress of the steering head 3 is balanced, and the steering head 3 is in a straight strip shape; a finger pulls any pull ring 6, the control line 4 pulls the lens 17 through the control line channel 12, and the steering head 3 is stressed to unbalance the lens 17 and bends towards the pulled control line 4; the pull ring 6 is loosened, the pull ring 6 is reset under the elasticity of the spring 7, and the straight strip shape is restored under the self elasticity action of the elastic tube 18 of the steering head 3; the four control lines 4 can bend the steering head 3 in four directions, the endoscope tube slightly rotates the lens 17 to see each azimuth visual angle, the power line and the optical cable of the lens 17 are connected with an external display device from the internal circular through hole 9 of the thoracoscope with the endoscope tube being bendable and shaped, and a doctor can see the condition in the thoracic cavity through the display device.
The above-mentioned embodiments are only described as the preferred embodiments of the present invention, and are not intended to limit the concept and scope of the present invention, and without departing from the design concept of the present invention, various modifications and improvements made by the technical solutions of the present invention by the ordinary engineers in the art should fall into the protection scope of the present invention.
Claims (5)
1. The utility model provides a thoracoscope of mirror tube flexible design which characterized in that: comprises a mirror tube tail, a mirror tube, a steering head and a control line;
the mirror tube tail comprises a mirror tube seat, a pull ring, a spring and a tail cover; the lens tube seat main body is a cylinder, a circular through hole is formed in the center of the bottom surface of the lens tube seat main body, four circular holes in circumferential array, namely spring grooves, are formed around the circular through hole, a rectangular groove, namely a pull ring groove, is radially arranged on the side wall of each spring groove, a control wire channel leading to an external circular small hole is formed in the bottom of each spring groove, and external threads are formed in the side surface of the bottom end of the tail seat; the pull ring is a combination of a small circular tube and a circular ring, the circular ring is positioned on the side wall of the small circular tube, a protruding small cylinder is arranged at the position, close to the bottom end of the spring groove, of the small circular tube, a through hole is formed in the side surface of the small cylinder, the small cylinder is a control line fixing column, the small circular tube of the pull ring is placed in the spring groove, and the circular ring is extended out of the lens tube base from the pull ring groove; the tail cover is a cylinder with an opening at the upper end, a round hole with the same diameter as the central round hole of the lens tube base is arranged on the bottom surface, internal threads are arranged on the side wall, and the tail cover is in threaded connection with the lens tube base; the spring is placed in the spring groove and props against the pull ring small cylinder;
the central part of the mirror tube is provided with a rod with a circular through hole with the same diameter as the inside of the mirror tube seat, and four control wire channels communicated with the control wire holes of the mirror tube seat are arranged around the circular through hole;
the steering head comprises a lens and an elastic tube; the elastic tube is an elastic rubber tube, a spring is arranged in the tube wall, four control line outlets in a circumferential array are arranged at the bottom end of the elastic tube, one end of the elastic tube is connected with the lens tube, and the other end of the elastic tube is provided with the lens;
one end of the control line is a nylon thin line and is tied on the control line fixing column, the other end of the control line passes through the control line channel of the lens tube seat and the lens tube, penetrates out of the steering head control line outlet and is tied in a gap between the lens and the elastic tube, and the tail end positions of the four control lines correspond to the positions of the control line channels.
2. The thoracoscope with the bendable fixed tube as claimed in claim 1, wherein: the elasticity of the spring at the mirror tube tail can prop the pull ring to the tail end of the pull ring groove when the pull ring is not pulled by fingers, and the pull ring can slide in the spring groove and the pull ring groove.
3. The thoracoscope with the bendable fixed tube as claimed in claim 1, wherein: the elastic tube can be bent towards the traction direction when being pulled by the control wire, and the elastic tube is elastically restored to be in a straight strip shape after the traction force disappears.
4. The thoracoscope with the bendable fixed tube as claimed in claim 1, wherein: and a power wire and an optical cable of the lens are connected with external display equipment from an inner round hole of the thoracoscope with the bendable and shaped lens tube.
5. The thoracoscope with the bendable fixed tube as claimed in claim 1, wherein: the control line is taut when the device is not in use but does not bend the steering head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020221605.4U CN211985344U (en) | 2020-02-28 | 2020-02-28 | Thoracoscope with bendable and shaped tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020221605.4U CN211985344U (en) | 2020-02-28 | 2020-02-28 | Thoracoscope with bendable and shaped tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211985344U true CN211985344U (en) | 2020-11-24 |
Family
ID=73423642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020221605.4U Expired - Fee Related CN211985344U (en) | 2020-02-28 | 2020-02-28 | Thoracoscope with bendable and shaped tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211985344U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113413126A (en) * | 2021-07-29 | 2021-09-21 | 张寒露 | Vaginal snooping instrument for gynecological examination |
-
2020
- 2020-02-28 CN CN202020221605.4U patent/CN211985344U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113413126A (en) * | 2021-07-29 | 2021-09-21 | 张寒露 | Vaginal snooping instrument for gynecological examination |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |