CN217310236U

CN217310236U - Protection device and insertion equipment

Info

Publication number: CN217310236U
Application number: CN202123438124.2U
Authority: CN
Inventors: 陈艺成; 姚拥军; 赵峰; 张雨; 王伟
Original assignee: Shanghai Puyue Medical Instrument Co ltd
Current assignee: Shanghai Puyue Medical Instrument Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-08-30
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a protection device and insertion equipment. Wherein the protection device is arranged between the endoscope and the guide sheath, the protection device comprises: the endoscope comprises a protective tube body, a first channel and a second channel, wherein the first channel is arranged in the protective tube body and is adapted to the endoscope; the volume variable piece is sleeved on the protection pipe body and communicated with the medium communication hole on the protection pipe body; and the medium power piece is connected to the protection pipe body. The volume variable piece can be adjusted according to the pipe diameter of the guide sheath, so that the size of the protection device matched with the guide sheath is various, namely after the pipe diameter of the guide sheath is determined, the size of the endoscope matched with the guide sheath can be various possibilities, only the protection device matched with the endoscope is needed to be selected, thereby realizing that the guide sheath can be matched with the endoscopes with different sizes, and the economic cost of the protection device is far less than the economic cost of the endoscope, the protection device is not limited by the limitation of the endoscope with the uniquely determined size, and the economic cost is reduced.

Description

Protection device and insertion equipment

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to protection device and insertion equipment.

Background

The endoscope is a detection instrument integrating optics, imaging, human engineering, precision machinery, modern electronics, mathematics and software into a whole. It has camera, image sensor, light source lighting, mechanical device, etc. and may enter body via body's natural cavity. Since a lesion that cannot be visualized by X-rays can be seen by an endoscope, the endoscope plays a very important role in medical diagnosis.

In order to establish a surgical channel in the prior art, an introducer sheath is usually adopted to assist an endoscope and other instruments to enter a human body channel, wherein when the tube diameter of the introducer sheath is determined, the size of the endoscope matched with the introducer sheath is uniquely determined, which results in that the introducer sheath cannot be matched with endoscopes with different sizes, thereby increasing economic cost.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the present invention is to overcome the defect that the guide sheath in the prior art cannot be adapted to endoscopes with different sizes, thereby increasing the economic cost, and to provide a protection device and an insertion apparatus.

A protective device disposed between an endoscope and an introducer sheath, the protective device comprising:

the endoscope comprises a protective tube body, a first channel and a second channel, wherein the first channel is arranged in the protective tube body and is adapted to the endoscope;

the volume variable piece is sleeved on the protection pipe body and communicated with the medium communication hole on the protection pipe body;

and the medium power part is connected to the protective pipe body and drives a medium to flow into the volume variable part through the first channel and the medium communication hole, so that the volume variable part is matched with the guide sheath.

Further, still include the control piece, the first end of control piece is connected in the protection body, the medium power is connected in the second end of control piece.

The endoscope further comprises a near-end sealing acting element and a deformation element, wherein the near-end sealing acting element is connected to the third end part of the control element, the deformation element is arranged in the control element, and the near-end sealing acting element acts on the deformation element to enable the deformation element to deform so as to be matched with the endoscope in a sealing mode.

Furthermore, a step surface is arranged in the third end of the control piece, and the deformation piece is abutted to the step surface.

Further, the proximal sealing action member includes a proximal sealing action outer body and a proximal sealing action inner body, the proximal sealing action outer body is located outside the control member and connected to the control member, the proximal sealing action inner body is located inside the control member, and an end of the proximal sealing action inner body acts on the deformation member.

Further, a gasket is included, and the gasket is arranged between the proximal seal acting element and the deformation element.

Further, the variable volume part is a balloon, the medium power part is a pressure pump, the control part is a three-way control valve, and the deformation part is a sealing ring.

Further, the first end of the control member is connected with the protective tube body through glue, the medium power member is in interference fit with the second end of the control member, and the proximal seal acting member is in threaded connection with the third end of the control member.

Further, still include solid fixed ring, through gu fixed ring will the volume variable part is fixed in on the protection body.

An insertion device comprising an endoscope, an introducer sheath and a protective device as described above, wherein the endoscope is located within the introducer sheath and the protective device is located between the endoscope and the introducer sheath.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a pair of protection device, it is located between endoscope and the guide sheath, protection device includes: the endoscope comprises a protective tube body, a first channel and a second channel, wherein the first channel is arranged in the protective tube body and is adapted to the endoscope; the volume variable piece is sleeved on the protection pipe body and communicated with the medium communication hole on the protection pipe body; and the medium power part is connected to the protective pipe body and drives a medium to flow into the volume variable part through the first channel and the medium communication hole, so that the volume variable part is matched with the guide sheath. The protection device with the structure is characterized in that the volume variable element can be adjusted according to the pipe diameter of the guide sheath, so that the size of the protection device matched with the guide sheath is various, namely after the pipe diameter of the guide sheath is determined, the size of an endoscope matched with the guide sheath can be various, only the protection device matched with the endoscope is selected, the guide sheath can be matched with endoscopes with different sizes, and the economic cost of the protection device is far less than the economic cost of the endoscope, so that the protection device is not limited by the limitation of the endoscope with the uniquely determined size, and the economic cost is reduced.

2. The utility model provides a pair of protection device still includes near-end seal effect spare and deformation piece, near-end seal effect spare connect in the third tip of control, deformation piece is located in the control, through near-end seal effect spare acts on deformation piece makes deformation piece warp with sealed adaptation in the endoscope. A protector of this construction ensures the sealing between the introducer sheath and the endoscope by providing a proximal seal action member and a deforming member.

3. The utility model provides a pair of insertion equipment, including endoscope, guide sheath and foretell protection device, wherein the endoscope is located in the guide sheath, protection device is located the endoscope with between the guide sheath. An insertion device of this construction, by virtue of the inclusion of the above-mentioned protection means, has for its part the advantages that are brought about by the inclusion of the above-mentioned protection means.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a protection device provided in embodiment 1 of the present invention;

FIG. 2 is a schematic view showing the structure of a display medium communication hole shown in FIG. 1;

FIG. 3 is a cross-sectional view of the endoscope, introducer sheath and unexpanded volume variable element of FIG. 1;

FIG. 4 is a cross-sectional view of the endoscope, introducer sheath and inflated volume-changing element shown in FIG. 1;

FIG. 5 is a cross-sectional view of the seal shown in FIG. 1 showing a proximal seal acting element, a gasket and a deformation element;

description of reference numerals:

1-protective tube body, 11-medium communication hole, 2-volume variable part, 3-medium power part, 4-control part, 51-near end sealing action part, 511-near end sealing action inner body, 512-near end sealing action outer body, 52-deformation part, 53-gasket, 6-fixing ring, 7-endoscope and 8-guide sheath.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Example 1

The present embodiment provides a protection device as shown in fig. 1 to 5, which is provided between an endoscope 7 and an introducer sheath 8, and includes a protection tube body 1, a volume variable member 2, a dielectric power member 3, a control member 4, a proximal seal acting member 51, a deforming member 52, a spacer 53, and a fixing ring 6.

Wherein, a first channel is arranged in the protective tube body 1 and is adapted to the endoscope 7; the volume variable piece 2 is sleeved on the protection pipe body 1 and is communicated with a medium communication hole 11 on the protection pipe body 1; the medium power part 3 is connected to the protective tube body 1, and the medium power part 3 drives the medium to flow into the volume-variable part 2 through the first channel and the medium communication hole 11, so that the volume-variable part 2 is matched with the guide sheath 8. In particular, the medium may be a gaseous medium or otherwise.

As shown in fig. 1, the volume-variable element 2 is fixed to the protective tube 1 by a fixing ring 6. Specifically, solid fixed ring 6 is equipped with two, and 6 intervals of two solid fixed rings set up, and volume variable 2 parts are located solid fixed ring 6, and solid fixed ring 6 covers is established and is fixed in on the protection body 1.

As shown in fig. 1, the endoscope 7 is inserted into the control member 4, the first end of the control member 4 is connected to the protective tube 1, the dielectric power member 3 is connected to the second end of the control member 4, the proximal seal acting member 51 is connected to the third end of the control member 4, the deformation member 52 is disposed in the control member 4, and the deformation member 52 is deformed by the proximal seal acting member 51 acting on the deformation member 52, so that the deformation member 52 deforms to change the inner diameter of the deformation member 52 to be sealingly fitted to the endoscope 7. Referring to fig. 5, a step surface is provided in the third end of the control member 4, and the deformation member 52 abuts against the step surface. By providing the proximal seal action member 51 and the deformation member 52, the sealability between the introducer sheath 8 and the endoscope 7 is ensured.

When the medium is not required to be introduced, the third end of the control member 4 is in a non-communicating state, the first end and the second end of the control member 4 are in a communicating state, and the volume-variable member 2 can be unexpanded as shown in fig. 3; when the medium needs to be introduced, the first end part, the second end part and the third end part of the control member 4 are all in a communicated state, so that the medium can be introduced, and the volume-variable member 2 can be expanded as shown in fig. 4.

As shown in fig. 5, the proximal seal-action member 51 includes a proximal seal-action outer body 512 and a proximal seal-action inner body 511 which are connected, the proximal seal-action outer body 512 is located outside the control member 4 and connected to the control member 4, the proximal seal-action inner body 511 is formed with a second passage, the proximal seal-action inner body 511 is located inside the control member 4 and an end of the proximal seal-action inner body 511 acts on the deformation member 52. Wherein a gasket 53 is provided between the proximal seal applying element 51 and the deforming element 52.

The volume-changing element 2 in this embodiment may be a balloon or others, the medium-powered element 3 may be a pressure pump or others, the control element 4 may be a three-way control valve or others, and the shape-changing element 52 may be a sealing ring or others. Wherein the first end of the control member 4 is connected with the protective tube body 1 through glue, the dielectric power member 3 is in interference fit with the second end of the control member 4, the proximal seal acting member 51 is in threaded connection with the third end of the control member 4, and the distal end of the protective tube body 1 is in interference fit with the distal end of the endoscope 7 through a hose.

The utility model discloses a protection device, wherein volume variable 2 can adjust according to the pipe diameter of uide sheath 8, make the size of the protection device with this uide sheath 8 adaptation multiple, after the pipe diameter of uide sheath 8 is confirmed promptly, can be multiple possibility with the size of the endoscope 7 of this uide sheath 8 adaptation, only need select with the protection device of endoscope 7 adaptation can, thereby realized that the uide sheath 8 can adapt in not unidimensional endoscope 7, and because protection device's economic cost is far less than endoscope 7's economic cost, can not be subject to the restriction of the only endoscope 7 of confirming the size, thereby economic cost has been reduced.

Example 2

The present embodiment provides an insertion apparatus comprising an endoscope 7, an introducer sheath 8, and the protection device of embodiment 1, wherein the endoscope 7 is located within the introducer sheath 8, and the protection device is located between the endoscope 7 and the introducer sheath 8.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A protective device disposed between an endoscope and an introducer sheath, the protective device comprising:

2. A protective device according to claim 1, further comprising a control member, a first end of the control member being connected to the protective tube, the dielectric member being connected to a second end of the control member.

3. A protective device according to claim 2, further comprising a proximal seal-applying element connected to the third end of the control element and a shape-changing element disposed within the control element and adapted to be applied by the proximal seal-applying element to the shape-changing element to deform the shape-changing element to sealingly fit the endoscope.

4. A protective device according to claim 3, wherein the third end portion of the control member is provided with a stepped surface, and the deformable member abuts against the stepped surface.

5. A protective device according to claim 3, wherein the proximal seal-action element comprises a proximal seal-action outer body located outside the control element and connected thereto, and a proximal seal-action inner body located inside the control element and having an end portion acting on the deformation element.

6. A protector according to claim 3 further comprising a spacer disposed between said proximal seal-applying element and said shape-changing element.

7. A protective device according to claim 3, wherein the volume-changing member is a balloon, the medium-powered member is a booster pump, the control member is a three-way control valve, and the shape-changing member is a sealing ring.

8. A protective device according to claim 3 wherein the first end of the control member and the protective tube body are connected by glue, the dielectric member and the second end of the control member are an interference fit, and the proximal seal-acting member is threadedly connected to the third end of the control member.

9. A protective device according to claim 1, further comprising a fixing ring by which the volume-variable element is fixed to the protective tube body.

10. An insertion device comprising an endoscope, an introducer sheath and a protective device according to any of claims 1 to 9, wherein the endoscope is located within the introducer sheath and the protective device is located between the endoscope and the introducer sheath.