CN215690858U - Multifunctional sheath system - Google Patents

Abstract

The application provides a multi-functional sheath pipe system for use with the cooperation of endoscope pincers way, including handle components, flexible first sheath pipe and flexible second sheath pipe. The handle component comprises a base piece and a movable piece, and the movable piece is movably matched with the base piece; the base piece is provided with a first channel and a second channel which are mutually independent, the first sheath tube and the second sheath tube are both connected with the base piece, the first sheath tube is communicated with the first channel, and the second sheath tube is communicated with the second channel; the first sheath tube and the second sheath tube are used for penetrating in the endoscope clamping channel. The system is provided with at least two channels for operating the instruments, the at least two channels are independently arranged, each channel can be independently used, a plurality of channels can be correspondingly provided with a plurality of instruments, the instruments can be matched for use, and the functions are diversified.

Description

Multifunctional sheath system

Technical Field

The utility model relates to the field of medical equipment, in particular to a multifunctional sheath system.

Background

The sheath pipe is used for forming various endoscope consumptive materials under the endoscope. At present, sheath tubes of various instruments used under an endoscope are independently designed, and in the operation process, the length of the operation can be increased by using various instruments in an alternative mode, and the operation difficulty is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multifunctional sheath system, which enables a sheath to realize multi-instrument and multi-function combined use by arranging two channels, reduces the operation difficulty, shortens the operation time and improves the operation efficiency.

The embodiment of the utility model is realized by the following steps:

the utility model provides a multifunctional sheath system, which is used for being matched with an endoscope clamping channel, and comprises:

the handle assembly, the bendable first sheath and the bendable second sheath; the handle component comprises a base piece and a movable piece, and the movable piece is movably matched with the base piece; the base piece is provided with a first channel and a second channel which are mutually independent, the first sheath tube and the second sheath tube are both connected with the base piece, the first sheath tube is communicated with the first channel, and the second sheath tube is communicated with the second channel; the first sheath tube and the second sheath tube are used for penetrating in the endoscope clamping channel.

In an alternative embodiment, the first sheath is disposed within the second sheath.

In an alternative embodiment, the first sheath is connected to the second sheath by a connector.

In an optional embodiment, a through hole is formed in the connecting piece, the connecting piece is embedded in the second sheath, the first sheath is inserted into the through hole, and the first sheath and the second sheath define an annular channel communicated with the through hole together.

In an alternative embodiment, the connector comprises a connecting ring and two clamping arms, wherein the connecting ring encloses a through hole; two centre gripping arms all are connected with the go-between, and two centre gripping arms interval are arranged and the two inject the centre gripping space with the through-hole intercommunication jointly, and first sheath pipe is pegged graft in centre gripping space.

In an optional embodiment, at least one of the two clamping arms is provided with a limiting convex part, and the limiting convex part is used for abutting against the end face of the first sheath so as to limit the depth of the first sheath inserted into the clamping space.

In an alternative embodiment, the clamping arm is provided with an arcuate surface for abutment with the first sheath.

In an optional embodiment, the first channel includes a first cavity section and a second cavity section that are communicated, the first cavity section is arranged in the second channel in a penetrating manner, the second cavity section is located outside the second channel, and an included angle is formed between the extending direction of the second cavity section and the extending direction of the second channel.

In an alternative embodiment, the moveable member is slidably engaged with the base member.

In an alternative embodiment, the moveable member is rotatably engaged with the base member.

The embodiment of the utility model has the beneficial effects that:

in summary, the multifunctional sheath system provided by the embodiment is used with an endoscope, and both the first sheath and the second sheath can be inserted into the forceps channel of the endoscope. First sheath pipe and second sheath pipe are independent each other, and communicate with first passageway and second passageway respectively, during the use, can wear to establish different apparatus in first passageway and the second passageway, and the apparatus stretches out from first sheath pipe and second sheath pipe respectively, mutual noninterference, the flexible operation is convenient, carries out the operation of two apparatus simultaneously, improves the condition of a plurality of apparatus used in turn in the endoscope, and it is long when reducing the operation.

Meanwhile, the multifunctional sheath system can be applied to form various new instruments by combining various instruments, and can also be directly communicated with various instruments, liquid, solid and the like, the combination form is various, the functions are various, and the operability of the operation of an operating doctor is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a multifunctional sheath according to an embodiment of the present invention;

FIG. 2 is an exploded view of the sheath according to the embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of a multifunctional sheath according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a first end cap according to an embodiment of the utility model;

FIG. 5 is a schematic structural view of a second endcap according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a connector according to an embodiment of the present invention.

Icon:

100-a handle assembly; 110-base member; 111-a main tube; 112-inclined tube; 113-a first end cap; 1131-a threaded hole; 1132 — a first through hole; 114-a first channel; 115-a second channel; 120-moving parts; 121-a tube body; 122-a second end cap; 1221-a second through hole; 130-connecting tube; 200-a first sheath; 300-a second sheath; 400-a connector; 410-a connecting ring; 420-a gripper arm; 430-a limit protrusion; 440-clamping space.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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 protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

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 the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

At present, the sheath pipe of all kinds of apparatus that use under the scope is mostly independent design. In the operation process, the time of the operation is prolonged and the operation difficulty is increased due to the alternate use of the instruments. That is, when multiple apparatus used in turn, need take out with sheath pipe complex apparatus earlier, then put into new apparatus again, complex operation, and multiple apparatus is independent operation, can't mutually support, and the function is single.

Referring to fig. 1-6, in view of the above, a designer designs a multifunctional sheath system, which is configured with at least two channels for operating instruments, wherein the at least two channels are independently arranged, each channel can be used independently, the plurality of channels can be correspondingly provided with various instruments, and the various instruments can be used in combination, so that the functions are diversified.

It should be noted that the sheath tube is used in cooperation with the endoscope channel, that is, the sheath tube can be inserted into the endoscope channel and is placed into the patient through the endoscope channel. The sheath catheter is placed in through the endoscope, the visualization degree is high, the placement position of the sheath catheter is accurate and reliable, and the operation safety and the success rate are improved.

Referring to fig. 1-3, in the present embodiment, the multifunctional sheath system is used in conjunction with an endoscopic forceps channel, and includes a handle assembly 100, a first bendable sheath 200, and a second bendable sheath 300. The handle assembly 100 includes a base 110 and a movable member 120, wherein the movable member 120 is movably engaged with the base 110; the base member 110 is provided with a first channel 114 and a second channel 115 which are independent of each other, the first sheath 200 and the second sheath 300 are both connected with the base member 110, the first sheath 200 is communicated with the first channel 114, and the second sheath 300 is communicated with the second channel 115; the first sheath 200 and the second sheath 300 are used for passing through the endoscope channel.

It should be understood that the number of the channels provided in the base member 110 is not limited to two, but may be three, four, etc., and may be provided as needed, which is not listed in the present embodiment.

The multifunctional sheath system provided by the embodiment is used in cooperation with an endoscope, and both the first sheath 200 and the second sheath 300 can be arranged in the forceps channel of the endoscope in a penetrating manner. First sheath 200 and second sheath 300 are independent each other, and communicate with first passageway 114 and second passageway 115 respectively, and during the use, can wear to establish different apparatus in first passageway 114 and the second passageway 115, and the apparatus stretches out from first sheath 200 and second sheath 300 respectively, and every apparatus can independently be worked, mutual noninterference, and the flexible operation is convenient. Simultaneously, two apparatus can also cooperate the use, and maneuverability is strong. No matter two apparatus are used independently or used in a matched mode, the two apparatus can be simultaneously arranged in the sheath system, the operation of taking out and replacing the apparatus is saved, the condition that the plurality of apparatuses are used in the endoscope alternately is improved, and the operation duration is shortened.

Meanwhile, the multifunctional sheath system can be applied to form various new instruments by combining various instruments, and can also be directly communicated with various instruments, liquid, solid and the like, the combination form is various, the functions are various, and the operability of the operation of an operating doctor is improved.

Referring to fig. 2, in the present embodiment, optionally, the base member 110 includes a main tube 111, an inclined tube 112 and a first end cap 113, the inclined tube 112 is connected to the main tube 111, and the first end cap 113 is connected to a proximal end of the main tube 111.

Referring to fig. 3, optionally, the main tube 111 is a substantially circular tube, the main tube 111 is provided with a first through hole and a second through hole, the first through hole and the second through hole both extend along the axial direction of the main tube 111, and two ends of the second through hole are respectively located on two end faces of the main tube 111 in the axial direction. The first through hole is arranged in the second through hole, one end of the first through hole is positioned on the end surface of the main body pipe 111, and the other end of the first through hole penetrates through the pipe wall of the main body pipe 111. The second through hole is the second channel 115. The main tube 111 has an external thread provided on its outer peripheral surface near its proximal end.

The inclined tube 112 is a substantially circular tube, one end of the inclined tube 112 is fixedly connected with the tube wall of the main tube 111, and the tube cavity of the inclined tube 112 is communicated with the first through hole. The extending direction of the inclined tube 112 and the extending direction of the main tube 111 form an included angle, and the included angle is an acute angle. The lumen of the angled tube 112 and the first through-hole collectively form a first channel 114. In other embodiments, the first through hole may also be referred to as a first cavity segment, and the lumen of the oblique tube 112 may also be referred to as a second cavity segment, the first cavity segment and the second cavity segment being in communication, the first cavity segment being located within the second channel 115, and the second cavity segment being located outside the second channel 115.

Further, the end of the inclined tube 112 away from the main tube 111 is provided with a luer fitting.

Referring to fig. 4, the first end cap 113 is provided with a threaded hole 1131 and a first through hole 1132, the first end cap 113 is fixedly connected to the external thread of the proximal end of the main tube 111 by using the threaded hole 1131, and the first through hole 1132 is communicated with the second channel 115.

Referring to fig. 1, fig. 2 and fig. 5, in the present embodiment, the movable member 120 optionally includes a tube body 121 and a second end cap 122, the tube body 121 is an elongated tube, and a stepped hole is formed in the tube body 121, and the stepped hole has an annular wall, and the annular wall is perpendicular to an extending direction of the tube body 121. The second end cap 122 is provided with a second through hole 1221. The second end cap 122 is fixed to the tube body 121 by screwing, and the second through hole 1221 is communicated with the stepped hole.

Optionally, the movable member 120 is connected to the base member 110 via a connecting tube 130, and one end of the connecting tube 130 is inserted into the first through hole 1132 and extends into the second channel 115. The other end of the connecting pipe 130 is inserted into the second through hole 1221, and the second end cap 122 and the movable element 120 cooperate to fix the connecting pipe 130, and the connecting pipe 130 and the movable element 120 are relatively fixed in the extending direction of the connecting pipe 130. Further, the connecting tube 130 and the movable piece 120 are relatively fixed in the circumferential direction of the connecting tube 130. Thus, the movable member 120 can drive the connecting tube 130 to slide and rotate relative to the base member 110. That is, moveable member 120 is not only slidably and rotatably coupled to base member 110. It should be appreciated that in other embodiments, the moveable member 120 and the base member 110 may be only slidably connected or only rotatably connected.

In this embodiment, optionally, the first sheath 200 and the second sheath 300 are connected by a connector 400. The first sheath 200 and the second sheath 300 are connected to form a whole through the connecting member 400, which is compact in structure and convenient for assembly and disassembly with the handle assembly 100.

Referring to fig. 5, optionally, a through hole is formed in the connecting member 400, the connecting member 400 is embedded in the second sheath 300, the first sheath 200 is inserted into the through hole, the first sheath 200 is disposed in the second sheath 300, the first sheath 200 and the second sheath 300 together define an annular channel communicated with the through hole, and the annular channel and the first sheath 200 are both communicated with the through hole.

Further, the connector 400 includes a connection ring 410 and two holding arms 420, the connection ring 410 defines a through hole; the two holding arms 420 are connected to the connection ring 410, the two holding arms 420 are spaced apart from each other in the circumferential direction of the connection ring 410, and together define a holding space 440 communicating with the through hole, for example, the two holding arms 420 are arranged in a central symmetry. Each clamping arm 420 has an arc-shaped surface, the two arc-shaped surfaces are disposed oppositely, and the first sheath 200 is inserted into the clamping space 440 and clamped and fixed by the two arc-shaped surfaces.

Further, at least one of the two clamping arms 420 is provided with a limiting protrusion 430, and the limiting protrusion 430 is used for abutting against the end surface of the first sheath 200 to limit the depth of the first sheath 200 inserted into the clamping space 440. For example, in the embodiment, the arc-shaped surfaces of the two clamping arms 420 are both provided with the limiting protrusions 430, and when the first sheath 200 is inserted between the two clamping arms 420, the end surface of the first sheath 200 abuts against the two limiting protrusions 430 at the same time, so as to prevent the first sheath 200 from penetrating through the connection ring 410.

For convenience of description, the connection ring 410 is inserted into the first end of the second sheath 300, one end of the grip arm 420 is connected to the connection ring 410, and the other end extends toward the second end of the second sheath 300, and the first end of the first sheath 200 is inserted between the two grip arms 420.

In this embodiment, the assembling process of the multifunctional sheath includes, for example:

the base member 110 is connected with the sliding member, then the second end of the first sheath 200 and the second end of the second sheath 300 are inserted into the distal end of the main tube 111, the second end of the first sheath 200 is inserted into the first through hole, the second end of the second sheath 300 is sleeved outside the distal end of the main tube 111, and the annular channel formed by the first sheath 200 and the second sheath 300 is communicated with the second channel 115.

The multifunctional sheath provided by the embodiment is used with an endoscope, and the connecting tube 130 can be connected with an actuator of an instrument, so as to drive the actuator to act. Another instrument may be simultaneously passed through the oblique tube 112 and into the first sheath 200 and then extended out of the first sheath 200 for operation. Therefore, the multifunctional sheath can be used for multiple instruments at the same time; meanwhile, the first sheath 200 and the second sheath 300 can be in liquid or solid circulation, and have various combination forms and strong operability.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A multi-functional sheath system for use with an endoscopic forceps channel, comprising:

a handle assembly (100), a bendable first sheath (200) and a bendable second sheath (300); the handle assembly (100) comprises a base part (110) and a movable part (120), wherein the movable part (120) is movably matched with the base part (110); the base piece (110) is provided with a first channel (114) and a second channel (115) which are independent of each other, the first sheath (200) and the second sheath (300) are both connected with the base piece (110), the first sheath (200) is communicated with the first channel (114), and the second sheath (300) is communicated with the second channel (115); the first sheath tube (200) and the second sheath tube (300) are used for being arranged in the endoscope clamping channel in a penetrating mode.

2. The multifunctional sheath system of claim 1, wherein:

the first sheath (200) is arranged in the second sheath (300) in a penetrating way.

3. The multifunctional sheath system of claim 2, wherein:

the first sheath (200) and the second sheath (300) are connected by a connector (400).

4. The multifunctional sheath system of claim 3, wherein:

be equipped with the through-hole on connecting piece (400), connecting piece (400) inlay and locate in second sheath pipe (300), first sheath pipe (200) peg graft with in the through-hole, first sheath pipe (200) with second sheath pipe (300) inject jointly with the annular channel of through-hole intercommunication.

5. The multifunctional sheath system of claim 4, wherein:

the connector (400) comprises a connecting ring (410) and two clamping arms (420), and the connecting ring (410) surrounds the through hole; the two clamping arms (420) are connected with the connecting ring (410), the two clamping arms (420) are arranged at intervals and define a clamping space (440) communicated with the through hole together, and the first sheath tube (200) is inserted into the clamping space (440).

6. The multifunctional sheath system of claim 5, wherein:

at least one of the two clamping arms (420) is provided with a limiting convex part (430), and the limiting convex part (430) is used for abutting against the end surface of the first sheath tube (200) so as to limit the depth of the first sheath tube (200) inserted into the clamping space (440).

7. The multifunctional sheath system of claim 5, wherein:

the clamping arm (420) is provided with an arc-shaped surface which is used for being attached to the first sheath tube (200).

8. The multifunctional sheath system of claim 1, wherein:

the first channel (114) comprises a first cavity section and a second cavity section which are communicated with each other, the first cavity section is arranged in the second channel (115) in a penetrating mode, the second cavity section is located outside the second channel (115), and an included angle is formed between the extending direction of the second cavity section and the extending direction of the second channel (115).

9. The multifunctional sheath system of claim 1, wherein:

the movable member (120) is slidably engaged with the base member (110).

10. The multifunctional sheath system of claim 1, wherein:

the moveable member (120) is rotatably engaged with the base member (110).

Images