CN211022547U

CN211022547U - Soft endoscope auxiliary guiding instrument for laparoscopic surgery

Info

Publication number: CN211022547U
Application number: CN201921177556.2U
Authority: CN
Inventors: 郝宗耀
Original assignee: Changzhou Youfurui Medical Equipment Co ltd
Current assignee: Changzhou Youfurui Medical Equipment Co ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-07-17
Anticipated expiration: 2029-07-25

Abstract

The utility model discloses a soft endoscope auxiliary guiding instrument for laparoscopic surgery, which comprises a snake bone sleeve part and a handle fixing part, wherein the snake bone sleeve part comprises a plurality of snake joints and a connector, the snake joints are sequentially and movably connected, one end of the connector is connected with one of the snake joints, the other end of the connector is fixedly connected with a rotating part, the snake bone sleeve part and the rotating part are both of a hollow structure, and a channel is formed in the snake bone sleeve part and the rotating part; the handle fixing part is a hollow pipe, and a handle is fixed on the periphery of the handle fixing part; the rotating part is rotated to drive the snake bone sleeve part to rotate, and the handle is pressed to drive the snake joint to swing; the utility model discloses a puncture hole gets into near the operation field, and this apparatus cavity, the place ahead flexible can some inspections and treatments are accomplished to the cavity internal organs that the soft mirror of accurate guide got into the operation.

Description

Soft endoscope auxiliary guiding instrument for laparoscopic surgery

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to supplementary guide apparatus of soft endoscope for laparoscopic surgery.

Background

The widespread use of laparoscopic surgery has become the most common surgical instrument in the surgical and gynecological fields. The laparoscope lens is a straight hard lens, and can not finish the examination in a cavity with a smaller caliber. For example, after the incision of the renal pelvis and the opening of the common bile duct, the examination or treatment of the renal pelvis and the renal calyx and the biliary tract cannot be performed by using a laparoscope.

Common flexible endoscopes comprise a flexible ureteroscope, a flexible cystoscope and a choledochoscope, the front of the flexible ureteroscope is mostly provided with a bendable part of about 9cm, the front end of the flexible ureteroscope can be visually checked at a range of 360 degrees by rotating an endoscope body and bending the bendable part, and the biopsy and treatment of some pathological changes can be completed by connecting instruments such as laser fibers, biopsy forceps and the like.

In the laparoscopic surgery, the soft lens enters the lesion part through the cannula, so that the observation of the part which cannot be observed by the traditional laparoscope (hard lens) can be finished, and the observation and operation range is expanded.

However, the flexible endoscope (flexible ureteroscope, flexible cystoscope, and choledochoscope) has a long endoscope body and only a bendable part with the front part being about 9cm, and the flexible endoscope body needs to enter an examination part through a cavity or a flexible endoscope sheath under the conventional condition. However, the lumen, sheath or other auxiliary instrument is usually short and inflexible, and cannot effectively assist the flexible endoscope in effective observation in the body.

Disclosure of Invention

An object of the utility model is to provide a supplementary guide apparatus of soft endoscope for laparoscopic surgery to solve the problem that the current soft endoscope auxiliary device that leads to among the prior art can not its effectual observation in vivo of effectual assistance.

This patent designs a soft mirror guide apparatus, near the puncture hole gets into the operation field, and this apparatus cavity, place ahead flexible can some inspection and treatments are accomplished to the cavity internal organs that the soft mirror of accurate guide got into the operation.

In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:

a soft endoscopic-assisted guide instrument for laparoscopic procedures, comprising:

the snake bone sleeve part comprises a plurality of snake joints and a connector, the snake joints are sequentially and movably connected, one end of the connector is connected with one of the snake joints, the other end of the connector is fixedly connected with a rotating part, the snake bone sleeve part and the rotating part are both of hollow structures, and a channel is formed in the snake bone sleeve part and the rotating part;

the handle fixing part is a hollow pipe, and a handle is fixed on the periphery of the handle fixing part;

the rotating part is rotated to drive the snake bone sleeve part to rotate, and the handle is pressed to drive the snake joint to swing.

Further, the rotating part includes knob and connecting pipe, the connecting pipe one end with knob fixed connection, the other end runs through handle fixed part and fixed sleeve portion and is connected to on the connector. The knob is arranged to facilitate rotation of the snake bone sleeve portion.

Furthermore, two adjacent snake joints are connected in a clamping mode. The snake joint has a swinging freedom degree through clamping or hinging, and the length of the snake joint can be increased or decreased according to needs.

The utility model has the advantages that: the rotation of the snake bone sleeve part is realized through the rotation of the rotating part, so that the endoscope in the channel can have a 360-degree visual field at one position; the snake bone sleeve swings and bends by pressing the handle, so that the endoscope in the channel has a 180-degree visual field at one position; the rotation part and the handle 4 work together to enable the flexible endoscope in the channel to have an omnidirectional view. The observation range is improved, and the channel can support the flexible endoscope in the observation range.

Drawings

FIG. 1 is a schematic view of the overall structure of an auxiliary guiding instrument according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of an auxiliary guiding apparatus according to an embodiment of the present invention in different states;

FIG. 3 is an enlarged view of portion A of FIG. 1 according to an embodiment of the present invention;

FIG. 4 is a schematic view of the connection between adjacent snake joints of the auxiliary guiding device according to the embodiment of the present invention;

FIG. 5 is a left side view of a snake joint of an auxiliary guide device according to an embodiment of the present invention;

FIG. 6 is a schematic view showing the connection between the rotating part and the snake bone sleeve part of the auxiliary guiding device according to the embodiment of the present invention;

fig. 7 is a schematic view illustrating the connection between the rotating part and the handle fixing part of the auxiliary guiding device according to the embodiment of the present invention.

Wherein: 1. a snake bone sleeve part; 2. a fixing sleeve portion; 3. a handle fixing portion; 4. a handle; 5. a rotating part; 6. a channel; 7. drawing wires; 11. a snake joint; 111. a first convex portion; 112. a first recess; 113. a first traction hole; 12. a connector; 121. a first connection end; 122. a second connection end; 123. a second traction hole; 41. a hand holding part; 42. a pressing part; 51. a knob; 52. a connecting pipe; 521. a slider; 31. a chute; 53. the assembly is rotated.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

It should be noted that, in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc. indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention but do not require the present invention to be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. For ease of understanding, the terms "proximal" and "distal", "upper" and "lower" are used, and refer to the relative orientation, position, orientation of elements or actions with respect to one another as viewed by a clinician using the medical device. "proximal" and "distal", "upper" and "lower" are not limiting, but "proximal", "lower" generally refer to the end of the medical device that is closer to the operator during normal operation, and "distal" and "upper" generally refer to the end that is further from the operator.

As shown in fig. 1 to 2, a soft endoscope auxiliary guide instrument for laparoscopic surgery includes a snake bone cannula part 1, a fixed cannula part 2, a handle fixing part 3, a handle 4 and a rotating part 5, and the snake bone cannula part 1 has a swing degree of freedom and can swing in one direction. The right-hand member of fixed

sleeve pipe portion

2 and 3 fixed connection of handle fixed part, the left end and the snake bone sleeve pipe portion 1 of fixed sleeve pipe portion 2 are connected, and is concrete, and the right-hand member of snake bone sleeve pipe portion 1 rotates to be connected in fixed sleeve pipe portion 2 left end. The handle 4 is connected and fixed to the handle fixing portion 3, and the swinging of the snake bone sleeve portion 1 can be controlled by pressing the handle 4. The rotation part 5 is connected to the snake bone cannula part 1 and controls the rotation of the snake bone cannula part 1. A hollow channel 6 is formed between the snake bone sleeve part 1 and the rotating part 5, and the channel 6 is used for placing a soft endoscope.

When in use, the auxiliary guiding apparatus designed by the utility model runs through the inside of the human body, and the endoscope is sent into the inside of the human body from the channel 6. Rotation of the snake bone cannula part 1 by rotation of the rotating part 5 enables the endoscope in the channel 6 to have a 360 ° view in one position. By pressing the handle 4, the snake bone cannula part 1 is bent in a swinging manner, so that the endoscope in the channel 6 has a 180 DEG view at one position. The rotation portion 5 and the handle 4 cooperate to provide an omnidirectional view of the flexible endoscope in the channel 6. The observation range is improved and the channel 6 can support the flexible endoscope therein.

As shown in fig. 2-5, the snake bone casing part 1 comprises a plurality of snake joints 11 and a connector 12, and the snake joints 11 are connected or hinged in sequence. The connector 12 is connected to a snake joint 11 at the rightmost end. Specifically, the snake joint 11 is a hollow tubular structure, and a first convex part 111 is arranged at the left end and a first concave part 112 is arranged at the right end of the side wall of the snake joint 11. The interior of the snake joint 11 is a smooth inner wall, so that the flexible endoscope in the snake joint can be prevented from being scratched, and the service life of the flexible endoscope is prolonged. The adjacent two serpentine joints 11 are connected by engaging the first convex portion 111 at the left end of one serpentine joint 11 with the first concave portion 112 at the right end of the other serpentine joint 11. The connection of the snake joint 11 is not limited to this manner, and may be an articulated connection. As long as the snake joint 11 can have a degree of freedom of oscillation. The leftmost snake joint 11 has only a first recess with a right end. The rightmost one of the joints 11 has only the first projection 111 at the left end, and the right end of the rightmost joint 11 is fixedly connected to the rotating section 5.

In this embodiment, the snake joint 11 is provided with a first drawing hole 113 on the side wall of the snake joint, the first drawing hole 113 is used for connecting the drawing wire 7, one end of the drawing wire 7 is connected with the handle 4, and the other end is connected to the leftmost snake joint 11 in a penetrating way. The traction wire 7 is used for traction to make the snake joint 11 swing. The handle 4 includes a grip portion 41 and a pressing portion 42. The left end of the traction wire 7 penetrates through a plurality of snake joints 11 to be connected into one snake joint 11 at the leftmost end, and the other end of the traction wire 7 is connected with the pressing part 42 on the handle 4. Pressing the pressing portion 42 enables the snake bone cannula part 1 to be swung and bent.

As shown in fig. 2 to 6, the rotary part 5 includes a knob 51 and a connection pipe 52, the knob 51 is fixedly connected or screwed to the connection pipe 52, the knob 51 is located at the right end of the handle fixing part 3, and the connection pipe 52 penetrates through the handle fixing part 3 and the fixing sleeve part 2 to be connected to the connection head 12. The connecting head 12 includes a first connecting end 121 and a second connecting end 122, and the first connecting end 121 and the second connecting end 122 are integrally formed. The outer diameter of the first connection end 121 is larger than that of the second connection end 122, an internal thread is formed in the second connection end 122, and the second connection end 122 is in threaded connection with the connection pipe 52. The first connection end 121 is provided with a second drawing hole 123, and the second drawing hole 123 corresponds to the first drawing hole 113. The traction wire 7 is connected to the handle 4 through the second traction hole 123 and penetrates the fixing bushing part 2 and the handle fixing part 3.

As shown in fig. 7, the handle fixing portion 3 and the rotating portion 5 are rotatably connected by a rotating assembly 53. The handle fixing part 3 is provided with an annular sliding chute 31, and the periphery of the connecting pipe 52 is provided with a sliding block 521 matched with the sliding chute 31. The slider 521 is slidably connected in the slide groove 31. In use, rotation of the knob 51 causes the slider 521 to slide within the slot 31.

The inner wall and the outer wall of the snake bone sleeve part 1 are wrapped with protective sleeves. The protective sleeves on the inner wall and the outer wall can be conventional protective coatings or protective films, the protective sleeve on the inner wall plays a role in protecting the soft endoscope, and the protective sleeve on the outer wall plays a role in reducing human body injury.

The use principle and the process are as follows: when in use, the auxiliary guiding instrument designed by the utility model runs through the inside of the human body to send the endoscope into the inside of the human body from the channel 6. Rotation of the snake cannula portion 1 by rotation of the knob 51 enables the endoscope in the channel 6 to have a 360 ° view in one position. By pressing the pressing portion 42, the snake bone cannula part 1 is bent in a swinging manner, so that the endoscope in the channel 6 has a view of 180 degrees at one position.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.

Claims

1. A soft endoscopic-assisted guidance instrument for laparoscopic procedures, comprising:

the snake bone casing part (1) comprises a plurality of snake joints (11) and a connector (12), the snake joints (11) are sequentially and movably connected, one end of the connector (12) is connected with one snake joint (11), the other end of the connector is fixedly connected with a rotating part (5), the snake bone casing part (1) and the rotating part (5) are both of a hollow structure, and a channel (6) is formed in the snake bone casing part (1) and the rotating part (5);

the handle fixing part (3) is a hollow pipe, and a handle (4) is fixed on the periphery of the handle fixing part (3);

the rotating part (5) is rotated to drive the snake bone sleeve part (1) to rotate, and the handle (4) is pressed to drive the snake joint (11) to swing.

2. The soft endoscope auxiliary guide instrument for laparoscopic surgery according to claim 1, further comprising a fixing sleeve part (2), wherein the fixing sleeve part (2) is fixedly connected between the handle fixing part (3) and the connector (12).

3. The soft endoscopic auxiliary guide instrument for laparoscopic surgery according to claim 2, wherein,

the rotating part (5) comprises a knob (51) and a connecting pipe (52), one end of the connecting pipe (52) is fixedly connected with the knob (51), and the other end of the connecting pipe penetrates through the handle fixing part (3) and the fixing sleeve part (2) to be connected onto the connecting head (12).

4. The soft endoscope auxiliary guide apparatus for laparoscopic surgery according to claim 3, wherein an annular slide groove (31) is provided in the handle fixing portion (3), and a slider (521) adapted to the slide groove (31) is provided on the outer circumference of the connection tube (52).

5. The soft endoscopic auxiliary guide instrument for laparoscopic surgery according to claim 1, characterized in that two adjacent snake joints (11) are snap-connected.

6. The soft endoscope auxiliary guide instrument for laparoscopic surgery as claimed in claim 5, wherein a first protrusion (111) is provided on a side wall of one end of the snake joint (11), and a first recess (112) adapted to the first protrusion (111) is provided on a side wall of the other end.

7. The soft endoscopic auxiliary guide instrument for laparoscopic surgery according to claim 1, characterized in that two adjacent said snake joints (11) are articulated.

8. The soft endoscope auxiliary guide instrument for laparoscopic surgery as claimed in claim 1, wherein a first drawing hole (113) is formed on the side wall of the snake joint (11), a drawing wire (7) is connected in the first drawing hole (113), one end of the drawing wire (7) is connected with the handle (4), and the other end is connected in the last snake joint (11) in a penetrating way.

9. The soft endoscope auxiliary guide instrument for laparoscopic surgery as set forth in claim 1, wherein said snake bone cannula part (1) is wrapped with a protective sheath on its inner wall.

10. The soft endoscope auxiliary guide instrument for laparoscopic surgery as set forth in claim 1, wherein the outer wall of said snake bone cannula part (1) is wrapped with a protective sheath.