CN215820864U - Working sleeve of bias endoscope flushing channel - Google Patents

Abstract

The utility model provides a working sleeve of a bias endoscope flushing channel, which adopts the following scheme: including the sleeve pipe body, be provided with apparatus channel and scope on the sleeve pipe body and wash the passageway, the scope is washed and is provided with separation portion between passageway and the apparatus channel, is provided with water injection well choke joint on the sleeve pipe body, water injection well choke joint with the scope washes the passageway intercommunication, the diameter that the passageway was washed to the internal diameter is greater than the external diameter of treating stretching into the scope mirror pipe. Through an scope flushing channel of one side offset at the apparatus passageway, the mirror tube of endoscope stretches into the scope and washes the passageway and observe, the scope washes the passageway and also is the mirror tube passageway, it is coaxial with the scope passageway to make to wash the passageway, the scope washes the internal diameter of passageway and will be greater than the external diameter of mirror tube, wash the outside outflow all around of salt solution from the mirror tube like this, form rotatory rivers, can be better wash around the scope and the camera lens, improve the field of vision definition, and guarantee that tissue and the garrulous bone in the operation overflow along with water.

Description

Working sleeve of bias endoscope flushing channel

Technical Field

The utility model relates to the field of surgical medical instruments, in particular to a working sleeve of a bias endoscope flushing channel.

Background

At present, minimally invasive spine surgeries are performed more and more by means of endoscopes, wherein surgeries taking air as a medium in MED surgeries are gradually replaced by water media, because the surgical views under the water media are clearer, but the water media become turbid along with the destruction of human tissues in the surgeries, and subsequent observations are difficult to perform by means of the endoscopes. This is the current state of the art.

Therefore, in view of the above-mentioned current state of the art, there is a need to develop a working cannula for biasing an irrigation channel of an endoscope.

SUMMERY OF THE UTILITY MODEL

To overcome the above-described deficiencies of the prior art, the present invention provides a working cannula for biasing an irrigation channel of an endoscope. The adopted technical scheme is as follows: the utility model provides a biasing scope washes working sleeve pipe of passageway, includes the sleeve pipe body, it washes the passageway to be provided with apparatus channel and scope on the sleeve pipe body, the scope washes one side that the passageway is located apparatus channel, the scope washes and is provided with separation portion between passageway and the apparatus channel, is provided with water injection well choke joint on the sleeve pipe body, water injection well choke joint with the scope washes the passageway intercommunication, the diameter that the scope washed the passageway is greater than the external diameter of treating to stretch into scope mirror tube, the upper portion of sleeve pipe body is provided with the scope support, be provided with on the scope support and wash the corresponding passage hole of passageway with the scope, passage hole department is provided with seal assembly. Through an scope flushing channel of one side offset at the apparatus passageway, the mirror tube of endoscope stretches into the scope and washes the passageway and observe, the scope washes the passageway and also is the mirror tube passageway, it is coaxial with the scope passageway to make to wash the passageway, the scope washes the internal diameter of passageway and will be greater than the external diameter of mirror tube, wash the outside outflow all around of salt solution from the mirror tube like this, form rotatory rivers, can be better wash around the scope and the camera lens, improve the field of vision definition, and guarantee that tissue and the garrulous bone in the operation overflow along with water. The endoscope bracket is used for supporting the endoscope, and the endoscope bracket is provided with a sealing component for preventing water from overflowing from the upper port. The water nozzle joint is used for connecting a water pipe to lead water inwards.

Furthermore, the diameter of the endoscope flushing channel is 0.5-1.5mm larger than the outer diameter of the endoscope tube to be inserted.

Furthermore, the diameter of the endoscope flushing channel is 1mm larger than the outer diameter of the endoscope to be extended. When guaranteeing that scope mirror tube and scope wash the passageway coaxial, do benefit to and wash the salt solution and get into and form rotatory rivers, more do benefit to and wash.

Further, seal assembly includes sealing washer and separation blade, the sealing washer is installed on scope support upper portion, the separation blade is pressed on the sealing washer, be provided with the through-hole in the middle of the separation blade. The sealing performance is ensured, and the outward overflow of water during flushing is reduced.

Furthermore, be provided with support piece on the scope support, be provided with the retaining member on the scope support, the retaining member stretches into in the support piece from one side. The supporting piece is used for supporting the endoscope, and the locking piece is used for locking, so that the endoscope is fixed on the endoscope bracket.

Further, the sleeve body comprises a body part and a biasing part, the biasing part is positioned on one side of the body part, the cross-sectional area of the biasing part is smaller than that of the body part, and the endoscope flushing channel is positioned on the biasing part. The size of the cannula body is reduced, and the cannula is favorable for entering a human body during operation.

Further, the bottom of the blocking part is provided with an observation port which communicates the instrument channel with the endoscope flushing channel.

Furthermore, the endoscope bracket is detachably arranged on the sleeve pipe body.

According to the technical scheme, the utility model has the following advantages:

this scheme provides a biasing scope washes working sleeve pipe of passageway, wash the passageway through a scope of one side biasing at the apparatus passageway, the mirror tube of endoscope stretches into the scope and washes and observes in the passageway, the scope washes the passageway also is the mirror tube passageway, it is coaxial to make and wash the passageway and the scope passageway, the scope washes the internal diameter of passageway and will be greater than the external diameter of mirror tube, wash the outside outflow all around of salt solution from the mirror tube like this, form rotatory rivers, can be better wash around the scope and the camera lens, the field of vision definition is improved, and tissue and the garrulous bone in the assurance operation overflow with water.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a side view of an embodiment of the present invention.

Fig. 2 is a left side view of an embodiment of the present invention.

FIG. 3 is a top view of an embodiment of the present invention.

Fig. 4 is a cross-sectional view taken at a-a in fig. 3.

Fig. 5 is a schematic view showing the upper structure of fig. 4.

Fig. 6 is a schematic structural diagram of a sleeve body according to an embodiment of the present invention.

FIG. 7 is a view showing the state of the present embodiment in cooperation with an endoscope.

In the figure, the endoscope irrigation device comprises a sleeve pipe body 1, a sleeve pipe body 2, an endoscope bracket 3, a water nozzle joint 4, a locking piece 5, an instrument channel 6, a supporting piece 7, an endoscope irrigation channel 8, a sealing assembly 9, an observation port 101, a body part 102, a biasing part 103, a blocking part 81, a sealing ring 82 and a blocking piece.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is apparent that the embodiments described below are only a part of embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.

As shown in fig. 1 to 7, the utility model provides a working sleeve of an offset endoscope flushing channel 7, which comprises a sleeve body 1, wherein an instrument channel 5 and an endoscope flushing channel 7 are arranged on the sleeve body 1, the endoscope flushing channel 7 is positioned at one side of the instrument channel 5, a separation part 103 is arranged between the endoscope flushing channel 7 and the instrument channel 5, a water nozzle joint 3 is arranged on the sleeve body 1, the water nozzle joint 3 is communicated with the endoscope flushing channel 7 and is used for connecting a water pipe to pass water inwards through the water nozzle joint 3, the diameter of the endoscope flushing channel is larger than the outer diameter of an endoscope tube to be inserted, the diameter of the endoscope flushing channel 7 is 0.5-1.5mm larger than the outer diameter of the endoscope tube to be inserted, and preferably, the diameter of the endoscope flushing channel 7 is 1mm larger than the outer diameter of the endoscope tube to be inserted. When guaranteeing that scope mirror tube and scope wash the passageway 7 coaxial, do benefit to and wash the salt solution and get into and form rotatory rivers, more do benefit to and wash. Specifically, the cannula body 1 comprises a body part 101 and a bias part 102, the bias part 102 is positioned on one side of the body part 101, the cross-sectional area of the bias part 102 is smaller than that of the body part 101, and the endoscope flushing channel 7 is positioned on the bias part 102, so that the volume of the cannula body 1 is reduced, and the cannula body is favorable for entering a human body during an operation.

Wherein, the scope support 2 is installed to the upper portion detachable of sleeve pipe body 1, is provided with on the scope support 2 and washes the corresponding via hole of passageway 7 with the scope, and via hole department is provided with seal assembly 8, and seal assembly 8 includes sealing washer 81 and separation blade 82, and seal washer 81 is installed on scope support 2 upper portion, and separation blade 82 presses on seal washer 81, is provided with the through-hole in the middle of the separation blade 82, guarantees the leakproofness, and water outwards spills over when reducing and washing. Further, be provided with support piece 6 on scope support 2, be provided with retaining member 4 on scope support 2, retaining member 4 stretches into support piece 6 from one side, utilizes support piece 6 to support the endoscope, locks through retaining member 4, fixes the endoscope on scope support 2.

In addition, the bottom of the blocking part 103 is provided with an observation port 9, and the observation port 9 communicates the instrument channel 5 with the endoscope flushing channel 7, so that the effect of flushing and observing can be achieved.

The working sleeve of the offset endoscope flushing channel 7 has the advantages that: through an scope flushing channel 7 of one side offset at apparatus channel 5, the mirror tube of endoscope stretches into the scope and washes in the channel 7 and observe, the scope washes the channel 7 and also is the mirror tube passageway, it is coaxial with the scope passageway to make to wash the channel, the scope washes the internal diameter of channel 7 and will be greater than the external diameter of mirror tube, wash the salt solution like this and outwards flow out all around from the mirror tube, form rotatory rivers, can be better wash around the scope and the camera lens, improve the field of vision definition, and guarantee that tissue and the garrulous bone in the operation overflow along with water.

The terms "upper", "lower", "outside", "inside", and the like in the description and claims of the present invention and the above-described drawings (if any) are used for distinguishing relative positions without necessarily being construed qualitatively. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the utility model described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. A working sleeve for biasing an endoscope flushing channel is characterized by comprising a sleeve body (1), the sleeve body (1) is provided with an instrument channel (5) and an endoscope flushing channel (7), the endoscope flushing channel (7) is positioned at one side of the instrument channel (5), a separation part (103) is arranged between the endoscope flushing channel (7) and the instrument channel (5), a water nozzle joint (3) is arranged on the sleeve pipe body (1), the water nozzle joint (3) is communicated with the endoscope flushing channel (7), the diameter of the endoscope flushing channel (7) is larger than the outer diameter of an endoscope tube to be inserted into the endoscope, the endoscope flushing device is characterized in that an endoscope support (2) is arranged on the upper portion of the sleeve body (1), a channel hole corresponding to the endoscope flushing channel (7) is formed in the endoscope support (2), and a sealing assembly (8) is arranged at the channel hole.

2. The working sleeve of an offset endoscopic irrigation channel according to claim 1, wherein the diameter of the endoscopic irrigation channel (7) is 0.5-1.5mm larger than the outer diameter of the endoscopic tube to be inserted.

3. The working cannula of an offset endoscope irrigation channel according to claim 2, characterized in that the diameter of the endoscope irrigation channel (7) is 1mm larger than the outer diameter to be extended into the endoscope.

4. An working cannula for an offset endoscope irrigation channel according to any of the claims 1-3, characterized in that the sealing assembly (8) comprises a sealing ring (81) and a blocking plate (82), the sealing ring (81) is mounted on the upper part of the endoscope holder (2), the blocking plate (82) presses on the sealing ring (81), and a through hole is arranged in the middle of the blocking plate (82).

5. An offset endoscope irrigation channel working sleeve according to claim 4, characterized in that a support member (6) and a locking member (4) are arranged on the endoscope holder (2), said locking member (4) extending into the support member (6) from one side.

6. An operating sheath for an offset endoscope irrigation channel according to any of the claims 1-3, characterized in that the sheath body (1) comprises a body portion (101) and an offset portion (102), the offset portion (102) being located at one side of the body portion (101), the cross-sectional area of the offset portion (102) being smaller than the cross-sectional area of the body portion (101), and the endoscope irrigation channel (7) being located at the offset portion (102).

7. The working cannula for an offset endoscope irrigation channel according to claim 6, characterized in that the bottom of the blocking portion (103) is provided with a viewing port (9), said viewing port (9) communicating the instrument channel (5) and the endoscope irrigation channel (7).

8. An working channel for an offset endoscope irrigation channel according to any of claims 1-3 and characterized in that said endoscope holder (2) is removably mounted on the upper portion of the channel body (1).

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