CN209713006U - The pipeline instrument being implanted into for per anum colon under scope to small intestine - Google Patents
The pipeline instrument being implanted into for per anum colon under scope to small intestine Download PDFInfo
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- CN209713006U CN209713006U CN201920125659.8U CN201920125659U CN209713006U CN 209713006 U CN209713006 U CN 209713006U CN 201920125659 U CN201920125659 U CN 201920125659U CN 209713006 U CN209713006 U CN 209713006U
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Abstract
The utility model discloses a kind of pipeline instruments being implanted into for per anum colon under scope to small intestine, including there is flexible elastic hollow pipeline proximally and distally and be fixed on the fixed wire loop of multiple monocycles of the spacing greater than 3cm on hollow pipeline, proximally be equipped with can be along axially free activity and flexible elastic seal wire at place for the hollow pipeline, the seal wire is not pierced by the distal end of hollow pipeline, and is formed in the far-end of hollow pipeline without wire catheter section；The nonmetallic homogeneous propelling piece for pushing pipeline is also connected on the seal wire.The utility model pipeline instrument is using the combined structure design of seal wire, hollow pipeline and nonmetallic homogeneous propelling piece convenient for the implantation under scope by soft pipeline apex to small enteral safety, and in its is convenient, the safe intestinal wall fixed to the soft complications of small intestine, the preceding pipeline of breakthrough is needed to be served only for the device design that colon plants pipe.
Description
Technical field
The utility model relates to a kind of pipeline instruments of medical instruments field, more particularly to one kind is for per anum under scope
The pipeline instrument that colon is implanted into small intestine.
Background technique
The alimentary canal of human body will be from oral cavity to duodenofiberscope according to visible organ flag bit line of demarcation under scope
Alimentary canal is known as upper digestive tract, and the alimentary canal of ileocaecal sphineter to anus is known as lower digestive tract, and it is blind to returning to be located at duodenofiberscope
The alimentary canal of valve is known as middle alimentary canal.Before 2015, the traditional medical technology in the whole world be cannot achieve from anus Xiang Quanjie
The long-time repeat administration of enteral progress hurtless measure.2015, it is a kind of to colon deep be implanted into pipeline, for total colectomy (also by
Referred to as lower digestive tract) approach caprophyl is transplanted or the technology of total colectomy broad range administration has been used to clinic, and here it is us to send out
It is bright and name through scope enteron aisle tube planting operation (transendoscopic entral tubing, TET).2016, the technology
Clinical study results are delivered in scholarly journal.It is being widely popularized and is further studying in the technical process, it has been found that in enteron aisle
Not only be bent, and be bent it is also especially more under conditions of, a hose is placed into any part of colon, is originally not easy,
It is unable to do without specific operating technology and corresponding special instrument.If meeting it is smooth, safety send to small intestine, and general
It is fixed on small intestine inner wall, is used for Preserving time and repetitively administered, before this, there are no instruments and technology can satisfy.So
And up to the present, there are no technologies may be implemented from the small enteral resident conduit of anus for repeat administration.Small intestine latter end is gram
The important site of pathological change of the immunity diseases such as sieve grace disease, this is also turned out, will using small intestine latter end as the significant points of local administration
It is the important advance of administration route.In today of scope technology height prosperity, grinding for TET technology is several years ago being directed in conjunction with us
Study carefully, break through the technology that total colectomy plants pipe and administration that is served only for, with completely new device design and operating technology, solves per anum-knot
Simultaneously technical difficulty of the indwelling for administration is extremely important to small intestine implantation pipeline for intestines approach.
Utility model content
Purpose of utility model: the purpose of the utility model is to provide it is a kind of convenient under scope by soft pipeline one end to small
The implantation of enteral safety, and its is convenient, safe being fixed in the soft tortuous intestinal wall of small intestine is used for per anum under scope
The pipeline instrument that colon is implanted into small intestine.
Technical solution: in order to achieve the above object, the utility model discloses one kind for per anum colon under scope to small
The pipeline instrument of intestines implantation, including there is flexible elastic hollow pipeline proximally and distally and be fixed on spacing on hollow pipeline
The fixed wire loop of multiple monocycles greater than 3cm, proximally be equipped with can be along axially free activity and flexible at place for the hollow pipeline
Elastic seal wire, which is not pierced by the distal end of hollow pipeline, and is formed in the far-end of hollow pipeline without wire catheter section；Institute
State the nonmetallic homogeneous propelling piece being also connected on seal wire for pushing pipeline.
Wherein, the length L of the no wire catheter section is 3~10cm.The utility model designs just without wire catheter section
Wire loop is fixed with the monocycle of auxiliary instrument clamping hollow pipeline distal end or distal end under scope to pass through after ileocaecal sphineter from ileocecus
Into small intestine latter end, increase successful surgery probability, reduces operation and spend the time.
Preferably, the end that the nonmetallic homogeneous propelling piece is connect with seal wire is equipped with convenient for the boss of push pipeline, should
The diameter of boss is more than or equal to the diameter of hollow pipeline.
Furthermore it is connected between the nonmetallic homogeneous propelling piece and seal wire using detachable card slot.
Further, diameter >=2.5mm of the hollow pipeline.
Preferably, the wire loop doubling length of the fixed wire loop of the monocycle is 1~2.5cm, and adjacent monocycle is fixed between wire loop
Distance L1 be greater than 3cm.The fixed wire loop of the monocycle of the utility model, which meets to be fixed under scope with brachium 1cm, presss from both sides loop wire with titanium folder
Hold operation, avoid because wire loop is too long cause fixing line because stress is improper due to fall off in advance, also avoid leading to titanium because wire loop is too short
Folder can not clamp；Single loop design also avoids knot from may result in intestinal lumen contents solidification agglomeration simultaneously.It is single in the utility model
The distance between fixed wire loop of ring, which meets enteron aisle policae circulane spacing, to be reduced during wriggling and extension and fixes to two monocycles
The mutual drawing of wire loop is avoided because drawing causes monocycle fixed ring to fall off from intestinal wall too early problem mutually.
Furthermore the hollow pipeline offer it is multiple with duct that is being communicated in pipe, close to the seal wire end of hollow pipeline distal end
The distance between portion and neighbouring duct L2 >=2cm.The seal wire design of the utility model does not avoid seal wire in operation not completely
Neighbouring duct, which can be pierced by, leads to iatrogenic injury.
A kind of method for implantation based on the pipeline instrument being implanted into for per anum colon under scope to small intestine of the utility model,
Include the following steps:
(1) firstly the need of the target position that scope per anum-colon is sent to small intestine；
(2) it then needs to send pipeline to the target position of small intestine out of endoscopic forceps channel hole；
(3) pipeline indwelling in situ and is released into scope, completes the separation of pipeline and scope；
(4) it again goes into scope and finds the hollow pipeline of built-in seal wire not at small intestine target position, with disposable
Titanium clamps the fixed wire loop of monocycle of hollow pipeline far-end, and the chance then to be entered the territory using scope is passed through back blind in company with scope
Valve reaches small intestine target position, and under scope into small intestine, and delivery clamp tool is for will be hollow out of endoscopic forceps channel hole
The line monocycle fixed ring of pipeline is in turn fixed in intestinal wall；
(5) after fixed, scope is slowly released outside anus, then extracts seal wire, and with that can squeeze, to be inserted into hollow pipeline close
The attachment cap at end facilitates docking delivery device.
The utility model has the advantages that compared with prior art, the utility model has the advantage that
(1) the utility model pipeline instrument is set using the composite structure of seal wire, hollow pipeline and nonmetallic homogeneous propelling piece
Meter is and its is convenient, safe soft fixed to small intestine convenient for the implantation under scope by soft pipeline apex to small enteral safety
In the intestinal wall of soft complications, the preceding pipeline of breakthrough is needed to be served only for the device design that colon plants pipe；
(2) the fixed wire loop of the monocycle of the utility model meets to fix to clamp loop wire with titanium folder with brachium 1cm under scope and grasp
Make, avoid leading to fixing line because stress is improper due to falls off in advance because wire loop is too long, also avoids leading to titanium folder nothing because wire loop is too short
Method clamping；Single loop design also avoids knot from may result in intestinal lumen contents solidification agglomeration simultaneously；Monocycle is solid in the utility model
The enteron aisle policae circulane spacing that the distance between alignment ring meets is reduced during wriggling and extension to the fixed wire loop of two monocycles
Mutual drawing, avoid because drawing causes monocycle fixed ring to fall off from intestinal wall too early problem mutually；
(3) the utility model without the design of wire catheter section convenient under scope with auxiliary instrument clamping hollow pipeline distal end or
The fixed wire loop of the monocycle of person distal end, by entering small intestine latter end after ileocaecal sphineter, increases successful surgery probability, reduces hand from ileocecus
Art spends the time；
(4) the utility model significantly saves instrument processing cost, and the price of instrument is allowed to be more suitable for community medicine payment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
The technical solution of the utility model is described further with reference to the accompanying drawing.
As shown in Figure 1, a kind of pipeline instrument being implanted into for per anum colon under scope to small intestine of the utility model, including
The fixed wire loop 4 of hollow pipeline 3, monocycle, seal wire 5 and nonmetallic homogeneous propelling piece 6.The hollow pipeline 3 of the utility model is bendable
Bent elastic component, the hollow pipeline have proximal end 1 and distal end 2, wherein the hollow pipeline in distal end is also known as mouth side, conversely,
Proximal end in anal orifice direction is also known as anus side.Diameter >=2.5mm of hollow pipeline 3, hollow pipeline 3 offer it is multiple with
The duct 8 communicated in pipe, close to the distance between 5 end of seal wire of hollow pipeline distal end and neighbouring duct 8 L2 >=2cm.This reality
It is far smaller than the internal diameter of hollow pipeline with the diameter of novel seal wire, spatial position of the seal wire in pipeline can be because of arc of curvature
Degree, curved quantity, resistance cause shrinkage etc. and uncontrollable variation occur, that is to say, that in actual mechanical process, if will
Hollow pipeline is straightened, in seal wire also maintain straight state, distance of the seal wire head end apart from hollow pipeline distal end can be obtained, but
It is if there is different degrees of bending, this distance then becomes unstable.Meanwhile the hollow pipeline of different materials, it is processing
After molding, because of the influence of the factors such as standing time, temperature, hollow pipeline there is also shortening or extended possibility, use
When it is possible that seal wire is too long in hollow pipeline, or even be longer than hollow pipeline, causing intestinal wall to be stabbed, perforate etc. may；This
If very big if a possibility that being just pierced by from duct outside, lead to iatrogenic injury.And the seal wire design of the utility model
It can avoid seal wire completely in operation and will not be pierced by neighbouring duct from leading to iatrogenic injury.
The fixed interval of wire loop 4 of several monocycles of the utility model is fixed on hollow pipeline 3, the fixed wire loop 4 of adjacent monocycle
Between longitudinal pitch be greater than 3cm.The wire loop doubling length of the fixed wire loop 4 of monocycle is 1~2.5cm, the fixed wire loop 4 of adjacent monocycle
The distance between L1 be greater than 3cm.The fixed wire loop of the monocycle of the utility model, which meets to be fixed under scope with brachium 1cm, to be pressed from both sides with titanium to ring
Line clipping operation, avoid because wire loop is too long cause fixing line because stress is improper due to fall off in advance, also avoid crossing short-range missile because of wire loop
Cause titanium folder that can not clamp；Single loop design also avoids knot from may result in intestinal lumen contents solidification agglomeration simultaneously；The utility model
The distance between fixed wire loop of middle monocycle, which meets enteron aisle policae circulane spacing, to be reduced during wriggling and extension to two monocycles
The mutual drawing of fixed wire loop avoids causing monocycle fixed ring to fall off from intestinal wall too early problem because pulling mutually.
The seal wire 5 of the utility model is flexible elastic homogenous seal wire, and seal wire 5 can be axially free along hollow pipeline 3
Activity.The seal wire 5 is penetrated from the proximal end of hollow pipeline 31 in hollow pipeline 3, and is not pierced by the distal end of hollow pipeline 3, and
It is formed at the proximal end of hollow pipeline 31 without wire catheter section.The length L without wire catheter section is 3~10cm.In practical behaviour
In work, when scope reaches target position, pipeline often not in situ, if pipeline is because the reason of scope pulls, leads
Pipeline is caused to return to colon, it is necessary to using the tools such as foreign body forceps or disposable titanium folder, clamp in direct view under endoscope hollow
The distal end of pipeline or the fixation wire loop of hollow pipeline distal end, the chance migrated using scope to small intestine, hold band hollow pipeline into
Enter the target position of small intestine.Lead to small intestine from large intestine, maximum technology critical point is by orifice of ileocecal valve, and the diameter of valve mouth is less than intestines
Chamber, and the angle at this is big, and scope carries hollow pipeline and passes through at this and when entering the enteric cavity of small intestine distortion, it is easy to occur
Failure needs to take a long time.For narcose patient, extends operating time and just face increase anesthetic risks, increase
The medical expense of dosing object and monitoring.Therefore designing without wire catheter section for the utility model is convenient for being pressed from both sides under scope with auxiliary instrument
The monocycle for holding hollow pipeline distal end or distal end fixes wire loop from ileocecus by entering small intestine latter end after ileocaecal sphineter, increases operation
Chance of success reduces operation and spends the time.
It is also connected with the nonmetallic homogeneous propelling piece 6 for pushing pipeline on seal wire 5, nonmetallic homogeneous propelling piece 6 and leads
The integral formula connection of 5 shape of seal wire is coated on using the connection of detachable card slot or nonmetallic homogeneous propelling piece 6 between silk 5.
The end that nonmetallic homogeneous propelling piece 6 is connect with seal wire 5 is equipped with convenient for the boss 7 of push pipeline, and the diameter of the boss 7 is greater than etc.
In the diameter of hollow pipeline 3.The utility model seal wire 5 is typically chosen metal material, and surface is smooth.Nonmetallic homogeneous propelling piece 6
Because diameter needs small only need to be for pushing hollow pipeline and its seal wire passes through endoscopic forceps channel hole and leaves scope
In endoscopic forceps channel hole, it usually is being less than 2.7mm, or be less than 3.2mm.The surface of nonmetallic homogeneous propelling piece 6 is smooth, preferably
Using plastics or high polymer material member, metal is free of.The homogeneous metal seal wire 5 of the utility model and nonmetallic homogeneous propelling piece 6
Design greatly reduce medical treatment cost.
The fixation of the utility model is typically chosen under scope fixed in enteric cavity with disposable endoclip (such as titanium folder).For
There is special treatment demand, for example needs the resident conduit more than 2 weeks or more, after pipeline being implanted into per anum-colon way,
Using the suturing skill under laparoscope, the fixed wire loop of transmural is carried out under the auxiliary of scope in the intestine, stable fixation is realized with this
Flexible conduit, this is extremely important in small enteral to long-time resident conduit is needed.The utility model is used for per anum-colon to small intestine
It is implanted into pipeline and fixation, but is not limited to for target position to be used for small intestine latter end, ileocecus, colon ascendens, transverse colon can also be used
With the fixation of colon descendens.
A kind of method for implantation based on the pipeline instrument being implanted into for per anum colon under scope to small intestine of the utility model,
Include the following steps:
(1) firstly the need of the target position that scope per anum-colon is sent to small intestine；
(2) it then needs to send pipeline to the target position of small intestine out of endoscopic forceps channel hole；
(3) pipeline indwelling in situ and is released into scope, completes the separation of pipeline and scope；
(4) it again goes into scope and finds the hollow pipeline of built-in seal wire not at small intestine target position, with disposable
Titanium clamps the fixed wire loop of monocycle of hollow pipeline far-end, and the chance then to be entered the territory using scope is passed through back blind in company with scope
Valve reaches small intestine target position, and under scope into small intestine, and delivery clamp tool is for will be hollow out of endoscopic forceps channel hole
The line monocycle fixed ring of pipeline is in turn fixed in intestinal wall；
(5) after fixed, scope is slowly released outside anus, then extracts seal wire, and with that can squeeze, to be inserted into hollow pipeline close
The attachment cap at end facilitates docking delivery device.
Embodiment 1
3 length of the utility model hollow pipeline is 130cm, and the opening of mouth side is smooth, and the doubling of the fixed wire loop 4 of monocycle is long
Degree is 1cm, has duct 8 at the 1.5cm of mouth side, and respectively having 1 doubling length at mouth side 3cm, 1cm is 1cm monocycle
Fixed wire loop.It uses the material of fixed wire loop for medical operation nylon wire, does not adhere to intestinal juice and intestinal wall, though fixed titanium folder
Right edge is sharper, but does not constitute cutting wire loop and lead to the risk of fracture.5 length of homogeneous metal seal wire is 126cm, close to anus side
The seal wire one end at end is connected with nonmetallic homogeneous propelling piece 6, and nonmetallic homogeneous propelling piece 6 is the plastics seal wire of diameter 2mm, long
Degree is more than conventional colonoscopy length 8cm, i.e., preferred 180cm.
A kind of method for implantation based on the pipeline instrument being implanted into for per anum colon under scope to small intestine of the utility model,
Include the following steps:
(1) small intestine firstly the need of the target position that scope is sent to small intestine, at ileocaecal sphineter 10cm；
(2) it then needs to send pipeline to the target position of small intestine out of endoscopic forceps channel hole；
(3) pipeline indwelling in situ and is released into scope, completes the separation of conduit and scope；
(4) when again going into scope to ileocecus after, it is found that the hollow pipeline of built-in seal wire is located at ileocecus
In enteric cavity, the wire loop of hollow pipeline distal end is clamped with disposable titanium then, the chance then to be entered the territory using scope is passed through back blind
Valve reaches small intestine target position, and under scope into small intestine, and delivery clamp tool is for will be hollow out of endoscopic forceps channel hole
The fixation wire loop of pipeline is fixed in intestinal wall, clamping fixed with 2 pieces big titanium in first fixed wire loop, is used in second fixed wire loop
1 piece big titanium is clamping fixed.
The selection of the selected guidewire length, material and nonmetallic 6 material of homogeneous propelling piece of the utility model, can save
Processing cost 60%.
Embodiment 2
3 length of the utility model hollow pipeline is 140cm, and the opening of mouth side is smooth, and the doubling of the fixed wire loop 4 of monocycle is long
Degree is 1cm, has duct 8 at the 1.5cm of mouth side, respectively has 1 doubling length to be at mouth side 3cm, 10cm, 20cm
1cm monocycle fixed ring.Fixation wire loop apart from mouth side is suitable for use in ileocecus and fixes.Use the material of fixed wire loop for doctor
With operation nylon wire, intestinal juice and intestinal wall are not adhered to, although fixed titanium folder edge is sharper, not constituting cutting wire loop causes
The risk of fracture.Homogeneous metal guidewire length is 135cm, seal wire one end and nonmetallic 6 phase of homogeneous propelling piece close to anus side
Connection, nonmetallic homogeneous propelling piece 6 are the plastics seal wire of diameter 2mm, and length is more than conventional enteroscope length 8cm, i.e., preferably
210cm.The utility model is mainly used for small intestinl channel auxiliary implantation small intestine deep, is used for small intestine deep and colon administration.
A kind of method for implantation based on the pipeline instrument being implanted into for per anum colon under scope to small intestine of the utility model,
Include the following steps:
(1) small intestine firstly the need of the target position that scope is sent to small intestine, at ileocaecal sphineter 40cm；
(2) it then needs to send pipeline to the target position of small intestine out of endoscopic forceps channel hole；
(3) pipeline indwelling in situ and is released into scope, completes the separation of pipeline and scope；
(4) when again going into scope to ileocecus after, it is found that the hollow pipeline of built-in seal wire is located at small intestinal lumen
It is interior, the wire loop of hollow pipeline distal end is clamped with disposable titanium then, small intestine target position is reached, and under scope, from endoscopic forceps
Delivery clamp tool is used to the fixation wire loop of hollow pipeline being fixed to intestinal wall in road hole, in first fixed wire loop with 2 pieces
Big titanium is clamping fixed, clamping fixed with 1 piece big titanium in second fixed wire loop, continues at the fixed wire loop of third clamping with 1 piece of titanium
It is fixed.The selection of the selected guidewire length, material and nonmetallic 6 material of homogeneous propelling piece of the utility model, saving are processed into
This 60%.
Claims (7)
1. a kind of pipeline instrument being implanted into for per anum colon under scope to small intestine, it is characterised in that: including with proximal end (1)
With the flexible elastic hollow pipeline (3) of distal end (2) and be fixed on the multiple monocycles of spacing on hollow pipeline (3) greater than 3cm and consolidate
Alignment ring (4), the hollow pipeline (3) is proximally equipped at (1) can be along axially free activity and flexible elastic seal wire
(5), which is not pierced by the distal end (2) of hollow pipeline (3), and is formed at the distal end of hollow pipeline (3) (2) without seal wire
Catheter segment；The nonmetallic homogeneous propelling piece (6) for pushing pipeline is also connected on the seal wire (5).
2. the pipeline instrument according to claim 1 being implanted into for per anum colon under scope to small intestine, it is characterised in that:
The length L of the no wire catheter section is 3~10cm.
3. the pipeline instrument according to claim 1 being implanted into for per anum colon under scope to small intestine, it is characterised in that:
The end that the nonmetallic homogeneous propelling piece (6) connect with seal wire (5) is equipped with convenient for the boss (7) of push pipeline, the boss (7)
Diameter be more than or equal to hollow pipeline (3) diameter.
4. the pipeline instrument according to claim 3 being implanted into for per anum colon under scope to small intestine, it is characterised in that:
It is connected between the nonmetallic homogeneous propelling piece (6) and seal wire (5) using detachable card slot.
5. the pipeline instrument according to claim 1 being implanted into for per anum colon under scope to small intestine, it is characterised in that:
Diameter >=2.5mm of the hollow pipeline (3).
6. the pipeline instrument according to claim 1 being implanted into for per anum colon under scope to small intestine, it is characterised in that:
The wire loop doubling length of the monocycle fixed wire loop (4) is 1~2.5cm, and the distance between adjacent monocycle fixed wire loop (4) L1 is big
In 3cm.
7. the pipeline instrument according to claim 1 being implanted into for per anum colon under scope to small intestine, it is characterised in that:
The hollow pipeline (3) offer it is multiple with duct (8) that is being communicated in pipe, close to hollow pipeline distal end seal wire (5) end with
The distance between neighbouring duct (8) L2 >=2cm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920125659.8U CN209713006U (en) | 2019-01-24 | 2019-01-24 | The pipeline instrument being implanted into for per anum colon under scope to small intestine |
| PCT/CN2019/088519 WO2020151145A1 (en) | 2019-01-24 | 2019-05-27 | Tube instrument for implantation into small intestine through anal colon with endoscope, and implantation method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920125659.8U CN209713006U (en) | 2019-01-24 | 2019-01-24 | The pipeline instrument being implanted into for per anum colon under scope to small intestine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209713006U true CN209713006U (en) | 2019-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920125659.8U Active CN209713006U (en) | 2019-01-24 | 2019-01-24 | The pipeline instrument being implanted into for per anum colon under scope to small intestine |
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| CN (1) | CN209713006U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109620313A (en) * | 2019-01-24 | 2019-04-16 | 南京法迈特科技发展有限公司 | The pipeline instrument and method for implantation being implanted into for per anum colon under scope to small intestine |
-
2019
- 2019-01-24 CN CN201920125659.8U patent/CN209713006U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109620313A (en) * | 2019-01-24 | 2019-04-16 | 南京法迈特科技发展有限公司 | The pipeline instrument and method for implantation being implanted into for per anum colon under scope to small intestine |
| CN109620313B (en) * | 2019-01-24 | 2024-05-24 | 南京法迈特科技发展有限公司 | Pipeline instrument for implanting endoscope into small intestine through anus colon and implantation method |
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