CN207666665U - Single step puncture sheath - Google Patents
Single step puncture sheath Download PDFInfo
- Publication number
- CN207666665U CN207666665U CN201720373669.4U CN201720373669U CN207666665U CN 207666665 U CN207666665 U CN 207666665U CN 201720373669 U CN201720373669 U CN 201720373669U CN 207666665 U CN207666665 U CN 207666665U
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- China
- Prior art keywords
- sheath
- puncture
- pipe fitting
- single step
- expansion pipe
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Abstract
The utility model provides a kind of single step puncture sheath, including sheath mechanism, expanding mechanism and piercing mechanism, the piercing mechanism is assemblied in the expanding mechanism, the expanding mechanism is assemblied in the sheath mechanism, the end of the expanding mechanism stretches out in the sheath mechanism, and the end of the piercing mechanism stretches out in the expanding mechanism, and the sheath mechanism includes sheath and sheath pipe fitting, the sheath is a hollow pipeline, and the sheath is connect with the sheath pipe fitting.The utility model can make the expansion of one step of merging channel in place, and sheath merging is convenient, can shorten operating time, reduce the operation strength of doctor.
Description
Technical field
The utility model belongs to medical instruments field, and in particular to a kind of single step puncture sheath.
Background technology
It performs the operation with the development of science and technology towards minimal invasive techniques direction high speed development with progress, modern surgery, and with
The development of Minimally Invasive Surgery, mating medical instrument also continue to introduce new, and good surgical instrument can help doctor to smoothly complete hand
Art reduces the complication of operation, improves safety and the success rate of operation.Puncture sheath is common Minimally Invasive Surgery instrument, operation
In seal wire is first usually sent into puncture needle, then extract puncture needle out and expanded with expander, finally extract expander out and by puncture sheath
Merging, is operated by the cavity of puncture sheath.Operation needs successively through puncturing, expanding, last to be placed in sheath, when operation
Between it is long, the operation strength of doctor is big, and the damage that patient is subjected to is also larger.Further, since puncture sheath only has one outlet, medical treatment to set
Standby merging and the discharge of endoceliac liquid are both needed to through the outlet, and safety is low, and operation difficulty is big.
A kind of renal fibroblast sheath (application No. is 201520075757.7) of utility model patent includes puncturing sheath, in puncture sheath
The tube wall of pipe is equipped with more than two inner fovea parts, and through-hole is equipped on inner fovea part, and a through-hole is equipped with conduit wherein,
Other through-holes, which are equipped with, to be blocked, and blocking includes blocking head and blocking interconnecting piece, and the outer surface for blocking head is cambered surface, is blocked
Interconnecting piece makes the outer surface on blocking head and the tube wall phase for puncturing sheath after head and inner fovea part cooperation are connect and blocked with through-hole
It coincide.The utility model is equipped with decompressor, and reducing high pressure in kidney makes flushing liquid energy be discharged, and can adjust decompressor
Position, but there is still a need for first being punctured and being expanded when operation, operating time is long, and operation difficulty is big.
Therefore being badly in need of offer one kind making the expansion of one step of merging channel in place, and sheath merging is convenient, can shorten operating time,
Reduce the single step puncture sheath of surgical intensity.
Utility model content
The purpose of this utility model is the deficiency for existing puncture sheath, and providing one kind makes one step of merging channel be expanded to
Position, sheath merging is convenient, can shorten operating time, reduces the single step puncture sheath of surgical intensity.
The utility model provides following technical solution：
Single step puncture sheath, including sheath mechanism, expanding mechanism and piercing mechanism, the piercing mechanism are assemblied in the expansion
It opens in mechanism, the expanding mechanism is assemblied in the sheath mechanism, and the end of the expanding mechanism stretches out in the sheath machine
The end of structure, the piercing mechanism stretches out in the expanding mechanism.
Preferably, the sheath mechanism includes sheath and sheath pipe fitting, and the sheath is a hollow pipeline, the sheath with
The sheath pipe fitting connection.
Preferably, the sheath pipe fitting includes connected main chamber and side chamber, and main chamber connects to form Y shape with the side chamber
Structure, main chamber are that instrument enters channel, and side chamber is vacuum suction channel, and side chamber is connected negative-pressure suction pipeline, can by negative pressure
The liquid of intracavitary when operation is sucked out.
Preferably, the port of main chamber is equipped with seal cap, and seal cap is completed to puncture, expand and be placed in operation in puncture sheath
Afterwards, it is assemblied at the port of sheath pipe fitting main chamber, closed environment is provided when entering vacuum suction after sheath for instrument.
Preferably, the expanding mechanism includes expansion pipe and expansion pipe fitting, and the expansion pipe is in hollow pipeline shape, described
Expansion pipe is connect with the expansion pipe fitting.
Preferably, the piercing mechanism includes puncture needle and punctures adapter, and the puncture needle is a hollow pipeline, described
Puncture needle is connect with the puncture adapter.
Preferably, the puncture needle is assemblied in the expansion pipe, and the puncture adapter is lived with the expansion pipe fitting
Dynamic connection；The expansion pipe is assemblied in the sheath, and the expansion pipe fitting is flexibly connected with the sheath pipe fitting, the design
Keep puncture sheath easy to loading and unloading.
The utility model has the beneficial effects that：
(1) the utility model includes the piercing mechanism assembled layer by layer, expanding mechanism and sheath mechanism, can make merging channel
One step is expanded in place, and by sheath implantation surgery position after gradually being expanded without dilating drainage external member, sheath merging is convenient, energy
Enough shorten operating time, reduces the operation strength of doctor.
(2) seal cap is completed to puncture, after expansion and merging operation in puncture sheath in the utility model, is assemblied in sheath pipe fitting
At the port of main chamber, closed environment is provided when entering vacuum suction after sheath for instrument, operation is facilitated to carry out.
(3) the sheath pipe fitting of the utility model is Y-shaped structure, and main chamber is that instrument enters channel, and side chamber is logical for vacuum suction
Road, it is safe.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention and illustrates.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the configuration schematic diagram of the utility model；
Fig. 3 is the structural schematic diagram of the utility model piercing mechanism；
Fig. 4 is the structural schematic diagram of the utility model expanding mechanism.
In figure label for：1, adapter is punctured；2, puncture needle；3, pipe fitting is expanded；4, expansion pipe；5, sheath pipe fitting；51、
Main chamber；52, side chamber；6, sheath；7, seal cap.
Specific implementation mode
As depicted in figs. 1 and 2, single step puncture sheath, including sheath mechanism, expanding mechanism and piercing mechanism, the puncture
Mechanism is assemblied in the expanding mechanism, and the expanding mechanism is assemblied in the sheath mechanism, the end of the expanding mechanism
The sheath mechanism is stretched out in, the end of the piercing mechanism stretches out in the expanding mechanism.
As depicted in figs. 1 and 2, the sheath mechanism includes sheath 6 and sheath pipe fitting 5, and sheath 6 is a hollow pipeline, sheath
Pipe 6 is connect with sheath pipe fitting 5.Sheath pipe fitting 5 includes the main chamber 51 being connected and side chamber 52, and main chamber 51 and the connection of side chamber 52 form Y
Shape structure, main chamber 51 are that instrument enters channel, and side chamber 52 is vacuum suction channel.The port of main chamber 51 is equipped with seal cap 7.
As shown in figure 3, the piercing mechanism includes puncture needle 2 and punctures adapter 1, puncture needle 2 is a hollow pipeline, is worn
Pricker 2 is connect with adapter 1 is punctured.
As shown in figure 4, the expanding mechanism includes expansion pipe 4 and expansion pipe fitting 3, expansion pipe 4 is in hollow pipeline shape, is expanded
Pipe 4 is opened to connect with expansion pipe fitting 3.
As depicted in figs. 1 and 2, puncture needle 2 is assemblied in expansion pipe 4, and it is movable even with expansion pipe fitting 3 to puncture adapter 1
It connects；Expansion pipe 4 is assemblied in sheath 6, and expansion pipe fitting 3 is flexibly connected with sheath pipe fitting 5, which makes puncture sheath handling side
Just.
The application method of the utility model is：The puncture sheath of the utility model is pierced into body according to conventional merging operating method
Interior, the puncture needle 2 for being located at front end has puncture effect, 4 further expanding channel of expansion pipe thereafter, the sheath 6 one of rear end
Step expansion in place can implantation surgery position, then take out piercing mechanism and expanding mechanism, you can pass through sheath mechanism and carry out hand
Art.By the assembly of seal cap 7 at the port of the main chamber 51 of sheath pipe fitting 5, provided when entering vacuum suction after sheath 6 for instrument close
Closed loop border, endoceliac liquid when performing the operation convenient for being sucked out from the side chamber 52 of sheath pipe fitting 5.
The foregoing is merely the preferred application cases of the utility model, are not intended to limit the utility model, although reference
The utility model is described in detail in previous embodiment, for those skilled in the art, still can be right
Technical solution recorded in foregoing embodiments is modified or equivalent replacement of some of the technical features.It is all
Within the spirit and principles of the utility model, it is new to should be included in this practicality for any modification, equivalent replacement, improvement and so on
Within the protection domain of type.
Claims (7)
1. single step puncture sheath, which is characterized in that including sheath mechanism, expanding mechanism and piercing mechanism, the piercing mechanism dress
It fits in the expanding mechanism, the expanding mechanism is assemblied in the sheath mechanism, and the end of the expanding mechanism stretches out in
The end of the sheath mechanism, the piercing mechanism stretches out in the expanding mechanism.
2. single step puncture sheath according to claim 1, which is characterized in that the sheath mechanism includes that sheath and sheath connect
Head, the sheath are a hollow pipeline, and the sheath is connect with the sheath pipe fitting.
3. single step puncture sheath according to claim 2, which is characterized in that the sheath pipe fitting include connected main chamber and
Side chamber, main chamber connect to form Y-shaped structure with the side chamber.
4. single step puncture sheath according to claim 3, which is characterized in that the port of main chamber is equipped with seal cap.
5. single step puncture sheath according to claim 1, which is characterized in that the expanding mechanism includes expansion pipe and expansion
Pipe fitting, the expansion pipe is in hollow pipeline shape, and the expansion pipe is connect with the expansion pipe fitting.
6. single step puncture sheath according to claim 1, which is characterized in that the piercing mechanism includes puncture needle and puncture
Adapter, the puncture needle are a hollow pipeline, and the puncture needle is connect with the puncture adapter.
7. according to the single step puncture sheath described in claim 2 or 5 or 6, which is characterized in that the puncture needle is assemblied in the expansion
It opens in pipe, the puncture adapter is flexibly connected with the expansion pipe fitting；The expansion pipe is assemblied in the sheath, described
Expansion pipe fitting is flexibly connected with the sheath pipe fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720373669.4U CN207666665U (en) | 2017-04-11 | 2017-04-11 | Single step puncture sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720373669.4U CN207666665U (en) | 2017-04-11 | 2017-04-11 | Single step puncture sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207666665U true CN207666665U (en) | 2018-07-31 |
Family
ID=62953419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720373669.4U Active CN207666665U (en) | 2017-04-11 | 2017-04-11 | Single step puncture sheath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207666665U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108992144A (en) * | 2018-08-23 | 2018-12-14 | 武汉佑康科技有限公司 | A kind of expansion sheath and the endoscope with expansion sheath |
| CN112438693A (en) * | 2020-12-09 | 2021-03-05 | 武汉佑康科技有限公司 | Combined endoscope with visual expansion function and head end capable of being accurately positioned |
-
2017
- 2017-04-11 CN CN201720373669.4U patent/CN207666665U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108992144A (en) * | 2018-08-23 | 2018-12-14 | 武汉佑康科技有限公司 | A kind of expansion sheath and the endoscope with expansion sheath |
| CN112438693A (en) * | 2020-12-09 | 2021-03-05 | 武汉佑康科技有限公司 | Combined endoscope with visual expansion function and head end capable of being accurately positioned |
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| GR01 | Patent grant |