CN216417119U - Accessory delivery device suitable for soft endoscope - Google Patents

Abstract

The utility model relates to an annex delivery device suitable for soft endoscope, the utility model discloses a front end function portion, flexible pipe portion and terminal operation portion, front end function portion set up at the endoscope front end, and flexible pipe portion connects between front end function portion and terminal operation portion, is fixed in the endoscope outside. The utility model discloses can make extra operation annex of diagnosing put into the human body along with the endoscope delivery, applicable in multiple novel wicresoft diagnose technique, it is wide to have the range of application, convenient to use's advantage.

Description

Accessory delivery device suitable for soft endoscope

Technical Field

The utility model relates to the field of medical equipment, especially an annex delivery device suitable for soft endoscope.

Background

The endoscope is one of the most widely used minimally invasive medical instruments at present, wherein the flexible endoscope can enter a human body through a natural cavity of the human body to realize diagnosis and treatment of various system diseases such as digestion, respiration, urinary system, reproduction and the like. A flexible endoscope generally includes a head end, a flexible insertion portion, and an operating handle. The head end usually comprises a plurality of channels such as optical imaging, lighting, air holes, a clamp channel pipe and the like, and all functional components are connected with the tail end operating handle and the host system through mutually independent transmission channels. The imaging element and the light source carried by the flexible endoscope can facilitate the observation and diagnosis of the tube cavity under the direct vision of a doctor, the flexible endoscope does not have the capability of performing treatment operation in a human body, and the approach of performing the treatment function is mainly to perform corresponding treatment operation under the guidance of the endoscope by placing a minimally invasive treatment instrument along the endoscope channel. Because the internal cavity space of a human body is relatively narrow, in order to avoid additional damage to the human body, the outer diameters of the head end and the flexible insertion part of the flexible endoscope are generally strictly limited, the inner diameter of a forceps tube of the endoscope is generally 2-4mm, common endoscope diagnosis and treatment accessories generally need to meet the condition of being capable of being placed through the forceps tube, and great limitation is generated on the structure and the size of the common endoscope diagnosis and treatment accessories. In recent years, although there are various flexible deformable instruments which can be inserted through the endoscopic clamp tube and endoscopes with double clamp tubes, some functional elements of the novel diagnosis and treatment technology cannot be delivered and inserted into human body through the endoscopic clamp tube due to special requirements on structure, material and function, and the application of the novel technology and the endoscopic technology in combination is limited

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the internal diameter of the clamp pipe of the soft endoscope itself in the background art is small, and the large-size diagnosis and treatment device or instrument can not be put into, and providing a device is delivered to the annex that is applicable to the soft endoscope that can put into the human body along with the delivery of the clamp pipe of the endoscope, enlarges the functional scope that the endoscope was diagnose in the human body, makes more diagnosis and treatment techniques can combine the endoscope to use, has the range of application extensively, convenient to use's advantage.

The technical solution of the utility model is that: the utility model relates to an annex delivery device suitable for soft endoscope, its special character lies in: the delivery device comprises a front end functional part, a flexible conduit part and a tail end operating part, wherein the front end functional part is arranged at the front end of the endoscope, the flexible conduit part is connected between the front end functional part and the tail end operating part, and the front end functional part and the flexible conduit part are fixed on the endoscope body of the endoscope through various different connecting modes.

Further, the front end function part comprises a function unit, a shell and a fixer, the function unit is arranged on the outer side of the shell, the fixer is arranged on the inner side of the shell, the shell is connected with the front end of the endoscope through the fixer, and the shell is connected with the flexible conduit part.

Further, the fixator is a tubular fixator, a ring fixator or a bolt fixator.

Further, the functional unit is a sensor, a detection circuit or an energy circuit.

Further, the housing may be made of a composite material containing a magnetic material, a paramagnetic material, or no magnetism.

Furthermore, flexible pipe portion includes pipe and interior capillary, and interior capillary sets up in the pipe, and interior capillary is a plurality of, is provided with wire or optic fibre in the interior capillary, and wire or optic fibre pass the casing and are connected with the functional unit.

Further, the flexible catheter portion further comprises an outer sheath, and the catheter is arranged in the outer sheath.

Furthermore, a buckle is arranged on the outer sheath tube, and the outer sheath tube is tightly connected with the endoscope through the buckle.

Further, the terminal operating part includes a tubular part and a holding part, the holding part is disposed outside the tubular part, and the conducting wire or the optical fiber in the inner capillary passes through the tubular part.

Furthermore, one end of the tail end operation part is connected with a cable or an optical fiber, and the cable is connected with a conducting wire or an optical fiber in the capillary.

The utility model provides an annex delivery device suitable for soft endoscope. Comprises a front end functional part, a flexible conduit part and a tail end operation part 3. The front end functional part is fixed at the head end of the endoscope through a fixer, so that the front end functional part can synchronously move along with the endoscope, and a functional unit which plays a diagnosis and treatment function is arranged on the surface of a shell of the front end functional part; the functional unit can comprise an energy source or a signal processing element which can enter the human body, and can also be communicated with an external energy source or a signal receiving device in a wireless or wired mode; for the external equipment which needs to be connected in a wired mode, relevant wires and the like are led out through the flexible conduit part; the flexible conduit part connects the front end shell with the external tail end operation part and is fixed on the outer wall of the flexible endoscope through parts such as a buckle and the like. The utility model discloses a front end function portion comprises functional unit, casing and fixer, and its corresponding structure can be adjusted according to functional characteristics, service environment etc.. The utility model discloses terminal operation portion grips in the main performance doctor art, adjusts the pipe degree of depth and together with the effect of energy source or signal processing equipment, and its structure, size, appearance etc. can carry out special design according to functional requirement and use scene, consequently the utility model discloses can make the endoscope possess the function of diagnosing in the human body by the way, it is wide to have the range of application, convenient to use's advantage.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of a first embodiment of the front-end functional unit of the present invention;

FIG. 3 is a schematic structural view of a second embodiment of the front functional part of the present invention;

FIG. 4 is a back view of FIG. 3;

fig. 5 is a schematic structural view of a third embodiment of the front-end functional unit of the present invention;

FIG. 6 is a rear view of FIG. 5;

FIG. 7 is a schematic view showing the connection between the structure of the third embodiment of the front functional unit of the present invention and the head end of the endoscope;

FIG. 8 is a cross-sectional view of a flexible conduit portion of the present invention;

fig. 9 is a schematic structural view of the terminal operation part of the present invention.

The reference numerals are explained below:

1. a front end function section; 2. a flexible conduit portion; 3. a terminal operating part; 4. a holder; 5. an endoscope head end; 6. buckling; 7. an endoscope body; 8. a cable wire;

101. a functional unit; 102. a housing; 103. a tubular holder; 104 a ring-shaped holder, 105 a tether-shaped holder; 106. a micro-pore channel; 107. a clamp tube.

201. A conduit; 202. an inner capillary; 203. an outer sheath tube;

301. a tubular portion; 302. a grip portion.

Detailed Description

The general aspects of the invention will be described in further detail with reference to the following figures and specific examples:

referring to fig. 1, the structure of the embodiment of the present invention includes a front end functional part 1, a flexible conduit part 2, and a terminal operating part 3. Wherein the front functional part 1 is fixed to the endoscope head 5 by means of a holder 4 on the back of its housing. So that it can move with the flexible endoscope in human body more easily. The flexible conduit part 2 is located between the front functional part 1 and the distal end operation part 3, and the flexible conduit part 2 itself or its sheath is fixed to the endoscope body 7 by a buckle 6. The terminal operating part 3 is connected with an external energy source or a signal acquisition device through a cable 8. In the specific implementation process, the front end functional part 1 and the flexible conduit part 2 can enter a human body together with an endoscope, and the tail end operation part 3 is positioned outside the human body.

The front side of the front functional part 1 can carry functional units for performing specific functions, and the functional units can be based on diagnosis and/or treatment technologies such as electricity, magnetism, sound, light and the like and are fixed on the front functional part shell in a certain arrangement form. Under the control of the endoscope or the control of the tail end operation part 3, the diagnosis or treatment of the local focus can be realized by collecting the specific electric, magnetic, sound and optical signals of the human tissue through a sensor, a circuit and the like in a contact or non-contact mode or by transmitting external energy to the human tissue.

When entering the human body along with the endoscope, the front end functional part 1 and the flexible conduit part 2 need to be kept relatively fixed with the endoscope to prevent the endoscope from generating abnormal displacement so as to cause accidental injury to human tissues. The utility model discloses in contain the fixed form of front end function portion 1 and endoscope of 3 different grade types, including tubulose fixer, cyclic annular fixer and bolt column fixer.

Referring to fig. 2, the front end function part of the tubular holder includes three parts, namely a function unit 101, a housing 102 and a tubular holder 103. The functional unit 101 is located on one side of the shell 102 facing human tissues, the tubular fixer 103 is located on one side of the shell 102 close to the endoscope head end 5, the tubular fixer 103 is fixed in a tubular shape, two ends of the tubular fixer are opened, and in the specific implementation process, the tubular fixer 103 is sleeved on the endoscope head end 5.

The middle shell 102 of the utility model is made of materials (such as silica gel, PEEK, plastic, TPU, etc.) with good biocompatibility, corrosion resistance, high temperature resistance, wear resistance, etc.; for the requirement of magnetic auxiliary guiding and anchoring, the housing 102 can be made of composite material containing magnetic material, paramagnetic material or no magnetism, or nested with magnet, and can use magnetism to play magnetic auxiliary guiding or magnetic anchoring role in vitro, or can adjust its position only by means of endoscope

Referring to fig. 3 and 4, the front end function unit having the ring-shaped holder includes three parts, namely a function unit 101, a housing 102, and a ring-shaped holder 104. The functional unit 101 is located on the side of the housing 102 facing the human tissue, the ring-shaped fixer 104 is located on the side of the housing 102 near the endoscope head end 5, and the ring-shaped fixer 104 is in a half-ring shape. In practice, the ring-like anchor 105 may be grasped by a foreign body forceps extending from the endoscope head end 5.

Referring to fig. 5, 6 and 7, the front end function portion having the tether-like fastener includes three portions, namely, a function unit 101, a housing 102 and a tether-like fastener 105. The functional unit 101 is located on the side of the housing 102 facing the human tissue, and the stud-shaped anchor 105 is located on the side of the housing 102 near the endoscope head end 5. In the specific implementation process, the plug-shaped fixer 105 is cylindrical, the outer diameter of the plug-shaped fixer is similar to that of a channel hole endoscope of the endoscope, the plug-shaped fixer can be inserted into an opening of a channel pipe 107 of the head end 5 of the endoscope to fix the front end functional part shell 102, and a tiny channel 106 is arranged in the center of the plug-shaped fixer 105 to facilitate the communication of gas and liquid in the endoscope.

Referring to fig. 8, the flexible tube portion 2 is composed of a plurality of medical tubes of different materials and different structures. The basic structure comprises an inner capillary 202 positioned in an inner core, wherein a lead or an optical fiber can be arranged in the inner capillary 202, or the inner capillary 202 is used as an air channel conduit and the like; one or more inner capillaries 202 form an inner core together and are wrapped in the flexible conduit 201; according to the function requirement, an outer sheath 203 (delivery pipe) can be arranged outside the flexible catheter 201 to be used as a pipeline for the movement of the inner catheter; the guide tube 201 or the outer sheath tube 203 is fixed to the outside of the flexible endoscope by a clip. The plurality of catheters contained in the flexible catheter part 2 can be prepared by adopting corresponding materials according to the environment and the functional requirements of the use. One end of the wire or the optical fiber is connected with the functional unit.

Referring to fig. 9, the distal operation portion mainly plays a role of holding, adjusting the depth of the catheter and together with the energy source or the signal processing device during the operation of the doctor, and the structure, size, shape, etc. thereof can be specially designed according to the functional requirements and the use scene, and the distal operation portion 3 includes a tubular portion 301 and a holding portion 302. The holding portion 302 is disposed outside the tubular portion 301, and a lead wire or an optical fiber in the inner capillary passes through the tubular portion 301 to be connected to the cable.

The present invention and the technical contents not specifically described in the above embodiments are the same as those of the prior art.

The above is only the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and the scope of the present disclosure should be subject to the protection scope of the claims.

Claims (9)

1. An accessory delivery device adapted for use with a flexible endoscope, comprising: the delivery device comprises a front end function part, a flexible conduit part and a tail end operation part, wherein the front end function part is arranged at the front end of the endoscope, the flexible conduit part is connected between the front end function part and the tail end operation part, the front end function part comprises a function unit, a shell and a fixer, the function unit is arranged outside the shell, the fixer is arranged inside the shell, the shell is connected with the front end of the endoscope through the fixer, and the shell is connected with the flexible conduit part.

2. An accessory delivery device adapted for use with a flexible endoscope according to claim 1 and further comprising: the fixator is a tubular fixator, an annular fixator or a bolt-column fixator.

3. An accessory delivery device adapted for use with a flexible endoscope according to claim 2 and further comprising: the functional unit is a sensor, a detection circuit or an energy circuit.

4. An accessory delivery device adapted for use with a flexible endoscope according to any of claims 1 to 3 and comprising: the housing is made of a composite material containing a magnetic material or a paramagnetic material.

5. An accessory delivery device adapted for use with a flexible endoscope according to claim 4 and comprising: the flexible conduit portion includes pipe and interior capillary, interior capillary sets up in the pipe, interior capillary is a plurality of, be provided with wire or optic fibre in the interior capillary, wire or optic fibre pass the casing and are connected with the functional unit.

6. An accessory delivery device adapted for use with a flexible endoscope according to claim 5 and comprising: the flexible catheter portion further comprises an outer sheath catheter, and the catheter is arranged in the outer sheath catheter.

7. An accessory delivery device adapted for use with a flexible endoscope according to claim 6 and comprising: the outer sheath tube is provided with a buckle and is tightly connected with the endoscope through the buckle.

8. An accessory delivery device adapted for use with a flexible endoscope according to claim 7 and further comprising: the tail end operation part comprises a tubular part and a holding part, the holding part is arranged on the outer side of the tubular part, and a conducting wire or an optical fiber in the inner capillary tube penetrates through the tubular part.

9. An accessory delivery device adapted for use with a flexible endoscope according to claim 8 and further comprising: and one end of the tail end operation part is connected with a cable, and the cable is connected with a lead or an optical fiber in the inner capillary.

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