CN209074869U - A kind of novel mucous membrane incision knife - Google Patents
A kind of novel mucous membrane incision knife Download PDFInfo
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- CN209074869U CN209074869U CN201821310237.XU CN201821310237U CN209074869U CN 209074869 U CN209074869 U CN 209074869U CN 201821310237 U CN201821310237 U CN 201821310237U CN 209074869 U CN209074869 U CN 209074869U
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- chopping
- shrinkable
- mucous membrane
- bush
- heat
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Abstract
The utility model provides a kind of novel mucous membrane incision knife for integrating mucous membrane incision knife and injection needle function.A kind of novel mucous membrane incision knife, including handle portion and sheath pipe portion, the sheath pipe portion includes outer sheath, chopping, seal wire, injection needle, the first heat-shrinkable T bush and injection connector, chopping is fixedly connected with seal wire, seal wire connects handle portion, outer sheath connects handle portion and injection connector by the first heat-shrinkable T bush, and handle portion and injection connector are located at the same end of the first heat-shrinkable T bush；At least two lumens are equipped with inside the outer sheath, lumen includes the chopping chamber for accommodating chopping and seal wire and the injecting cavity for accommodating injection needle, and end cap is connected to chopping chamber by the first heat-shrinkable T bush, and injection connector is connected to injecting cavity by the first heat-shrinkable T bush.The removing and water filling that the utility model realizes mucous membrane removing operation consent under scope and organizes in performing the operation, can constantly fill the moisture of loss, it's the case where cutting and perforating pasts tissue caused by avoiding because of water loss in the course of surgery.
Description
Technical field
The utility model relates to a kind of incision surgical knife, in particular to a kind of novel mucous membrane incision knife belongs to medical machinery
Technical field.
Background technique
Mucous membrane decollement is that new treatment means and potential applicability in clinical practice occurring in recent years are good under scope
More early stage digestive system cancers disposable on scope can be cut off completely, the pain and device of abdominal are eliminated for technology
The excision of official, the important surgical instrument of mucous membrane decollement is mucous membrane incision knife under scope.It is commonly used in early cancer removing in the market
Incision knife have needle knife, IT knife (band ceramic head), billhook, triangular knife, Flush knife (flushing hole is equipped in cutter head), woodpecker knife
Deng.
As Alimentary tract disease treatment in important means, doctor during mucous membrane decollement under carrying out scope, in order to
It prevents from causing to perforate in surgical procedure, it is often necessary to which the injection for first carrying out physiological saline under mucous membrane the position of the high lesion of platform, uses
Mucous membrane incision knife is needed replacing after injection needle injection, the physiological saline injected in the course of surgery can be flowed with operating time
It loses, needs again this process of injecting normal saline that can waste a large amount of time, since physiological saline loss cannot obtain in operation
To be replenished in time increase operation middle punch risk.
The utility model patent that number of patent application is CN201410281645.7 discloses a kind of combination electric knife, cutter head portion packet
At least two or more than two cutter heads that can be relatively moved or rotate each other are included, doctor can be according to lesions position tissue
Situation analysis and judgement use the different conditions of suitable electric knife to choose suitable electric knife type to the tissue of lesions position, make hand
Art safe operation is quick.
The utility model patent that number of patent application is 201510937882.9 discloses a kind of by IT knife and needle knife and spray
The utility knife of water combination has the function of IT knife and needle knife function, also has spraying function, and the liquid of ejection can rinse bleeding
Point improves the scope visual field, can also rinse the charred tissue adhered on electrode.
So doctor is in the course of surgery, surgical instrument can be frequently replaced, to meet the different needs of each operation.But
It is frequent surgical instrument replacement, it is not only loaded down with trivial details but also time-consuming, it is unfavorable for patient's operation, it is this to need that there is multi-functional combination to cut
Operate on the time for saving replacement instrument.Above-mentioned utility model patent may be implemented doctor and be changed without electric knife and facilitate and select different electricity
Knife cutter head, or realize that spraying function improves the internal diameter visual field, it is still, existing in the injection operation of physiological saline under needing mucous membrane
There is technical field that can save after injection needle injection the time for replacing mucous membrane incision knife again there are no product.
Utility model content
The purpose of this utility model is to provide a kind of novel mucous membrane incisions for integrating mucous membrane incision knife and injection needle function
Knife can effectively avoid procedure efficiency of perforating and improve in mucous membrane removing operation under scope, solve to mention in background above technology
Out the problem of.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of novel mucous membrane incision knife, including handle portion and sheath pipe portion, the handle portion include handle, slide handle and
End cap, slide handle are equipped with fixture block, and slide handle is slidably connected by fixture block and handle, and handle connects sheath by end cap
Portion, the sheath pipe portion include outer sheath, chopping, seal wire, injection needle, the first heat-shrinkable T bush and injection connector, chopping and seal wire
It is fixedly connected, seal wire connects handle portion, and outer sheath connects handle portion and injection connector, handle portion and note by the first heat-shrinkable T bush
Penetrate the same end that connector is located at the first heat-shrinkable T bush；At least two lumens are equipped with inside the outer sheath, lumen includes using
In the chopping chamber for accommodating chopping and seal wire and injecting cavity for accommodating injection needle, end cap is cut by the connection of the first heat-shrinkable T bush
Silk chamber, injection connector are connected to injecting cavity by the first heat-shrinkable T bush；The chopping chamber is in one end end far from handle portion
Wall is equipped with the first position-limiting tube for limiting chopping extension elongation, and the injecting cavity is in one end inner wall of end far from handle portion
Equipped with the second position-limiting tube for limiting injection needle extension elongation.
Preferably, being equipped with wirerope between the chopping and seal wire, wirerope both ends are respectively equipped with the first connecting tube
With the second connecting tube, chopping is fixedly connected by the first connecting tube with wirerope, and seal wire is solid by the second connecting tube and wirerope
Fixed connection, the outer diameter of the first connecting tube are greater than the internal diameter of the first position-limiting tube.
Preferably, the injection needle outer wall is equipped with fixing pipe, fixing pipe is fixedly connected with injection needle, outside fixing pipe
Diameter is greater than the internal diameter of the second position-limiting tube.
Preferably, first position-limiting tube and the second limit pipe outer wall are equipped with several hangnails, the first position-limiting tube is logical
It crosses hangnail and chopping chamber is fitted close, the second position-limiting tube is fitted close by hangnail and injecting cavity.
Preferably, the injection connector includes that anchor tip and mobile Rule for connecting external infusion device connect
Injection needle is inserted into the first heat-shrinkable T bush and is connected in head, anchor tip one end, and the anchor tip other end connects mobile female Luer,
Injection needle is equipped with sealing ring in the one end connecting with anchor tip.
Preferably, being equipped with the second heat-shrinkable T bush, the second heat-shrinkable T bush two between the end cap and the first heat-shrinkable T bush
End is respectively fixedly connected with the first heat-shrinkable T bush and end cap.
Preferably, being equipped with power spring and the electrode for connecting external high frequency electric knife equipment in the end cap, lead
Silk passes through power spring connection electrode.
Preferably, being equipped with conduit in the handle, seal wire protrudes into conduit and is fixedly connected with fixture block.
Preferably, the outer sheath is equipped in one end end outer wall far from handle portion for differentiating moving distance
Mark line.
Preferably, the intracavitary diameter of the chopping is less than injecting cavity internal diameter.
The beneficial effects of the utility model are:
A kind of novel mucous membrane incision knife of the utility model is realized and is organized in mucous membrane removing operation consent and operation under scope
Removing and water filling, can constantly fill the moisture of loss in the course of surgery, caused by avoiding because of water loss tissue cross cut and
The case where perforation, the utility model incorporate the function of mucous membrane incision knife and injection needle, reduce the time of surgical instrument replacement,
Surgical energy is saved, makes to perform the operation more efficient safer.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of the utility model；
Fig. 2 is the chopping working state schematic representation of the utility model；
Fig. 3 is the injection needle working state schematic representation of the utility model；
Fig. 4 is the off working state schematic diagram of the utility model；
Fig. 5 is the epitheca pipe end configuration schematic diagram of the utility model；
Fig. 6 is the working state schematic representation of the utility model；
Fig. 7 is the utility model outer sheath schematic cross-section.
In figure: 101, handle, 102, slide handle, 103, end cap, 104, fixture block, 105, power spring, 106, electrode,
107, conduit, 201, outer sheath, 202, chopping, 203, seal wire, 204, injection needle, the 205, first heat-shrinkable T bush, 206, injection connect
Head, 207, chopping chamber, 208, injecting cavity, the 209, first position-limiting tube, the 210, second position-limiting tube, 211, hangnail, 212, wirerope,
213, the first connecting tube, the 214, second connecting tube, 215, fixing pipe, 216, anchor tip, 217, mobile female Luer, 218, close
Seal, the 219, second heat-shrinkable T bush, 220, mark line.
Specific embodiment
Below by specific embodiment, and in conjunction with attached drawing, the technical solution of the utility model is made further specifically
It is bright.It should be appreciated that the implementation of the utility model is not limited by the following examples, any form that the utility model is done
On accommodation and/or change fall within scope of protection of the utility model.
Embodiment:
A kind of novel mucous membrane incision knife as shown in Figure 1 and Figure 5, including handle portion and sheath pipe portion.
Handle portion includes handle 101, slide handle 102 and end cap 103, and slide handle is equipped with fixture block 104, slide handle
It is slidably connected by fixture block and handle, handle passes through end cap connecting utricle pipe portion.
Sheath pipe portion includes that outer sheath 201, chopping 202, seal wire 203, injection needle 204, the first heat-shrinkable T bush 205 and injection connect
First 206.Chopping is fixedly connected with seal wire, and seal wire connects handle portion.Outer sheath connects handle portion and note by the first heat-shrinkable T bush
Connector is penetrated, handle portion and injection connector are located at the same end of the first heat-shrinkable T bush.
As shown in fig. 7, setting inside outer sheath, there are two lumens, and lumen includes the chopping chamber for accommodating chopping and seal wire
207 and the injecting cavity 208 for accommodating injection needle, the intracavitary diameter of chopping is less than injecting cavity internal diameter.End cap passes through the first thermal shrinkable sleeve
Pipe is connected to chopping chamber, and injection connector is connected to injecting cavity by the first heat-shrinkable T bush.
Chopping chamber is equipped with the first position-limiting tube for limiting chopping extension elongation in one end inner wall of end far from handle portion
209, injecting cavity is equipped with the second position-limiting tube for limiting injection needle extension elongation in one end inner wall of end far from handle portion
210.First position-limiting tube and the second limit pipe outer wall are equipped with several hangnails 211, and the first position-limiting tube is tight by hangnail and chopping chamber
Close fit, the second position-limiting tube are fitted close by hangnail and injecting cavity.
Wirerope 212 is equipped between chopping and seal wire, wirerope is used to increase the utility model mucous membrane incision knife during surgery
Flexible.Wirerope both ends are respectively equipped with the first connecting tube 213 and the second connecting tube 214, chopping by the first connecting tube with
Wirerope is fixedly connected, and seal wire is fixedly connected by the second connecting tube with wirerope.The outer diameter of first connecting tube is greater than the first limit
The internal diameter of position pipe controls what chopping was stretched out when chopping is moved forwards by the cooperation of the first connecting tube and the first position-limiting tube
Length.First connecting tube is fixedly connected with chopping and wirerope by laser welding.
Injection needle outer wall is equipped with fixing pipe 215, and fixing pipe is fixedly connected with injection needle.The outer diameter of fixing pipe is greater than the second limit
The internal diameter of position pipe controls what injection needle stretched out when injection needle moves forwards by the cooperation of fixing pipe and the second position-limiting tube
Length.Fixing pipe is fixedly connected with injection needle by laser welding.
Injecting connector includes anchor tip 216 and the mobile female Luer 217 for connecting external infusion device, anchor tip
Injection needle is inserted into the first heat-shrinkable T bush and is connected in one end, and the anchor tip other end connects mobile female Luer, and mobile Rule connects
Head can drive injection needle to be moved forward and backward in outer sheath.Injection needle is equipped with sealing ring 218 in the one end connecting with anchor tip,
Sealing ring is used to prevent body fluid regurgitation when injection needle is moved forward and backward.
The second heat-shrinkable T bush 219 is equipped between end cap and the first heat-shrinkable T bush, the second heat-shrinkable T bush both ends are fixed respectively to be connected
Connect the first heat-shrinkable T bush and end cap.
Power spring 105 and the electrode 106 for connecting external high frequency electric knife equipment are equipped in end cap, seal wire passes through conduction
Spring connection electrode, electrode connection external high frequency electric knife equipment make seal wire be powered.
Be equipped with conduit 107 in handle, seal wire protrudes into conduit and is fixedly connected with fixture block, seal wire pass through end cap and conduit and with sliding
The fixture block of handle is fixedly connected, and the opposite sliding of slide handle and handle can drive chopping to be moved forward and backward in outer sheath.
For the ease of observing the extension elongation of chopping and injection needle, outer sheath is set in one end end outer wall far from handle portion
There is the mark line 220 for differentiating moving distance.
Steps are as follows for a kind of use of novel mucous membrane incision knife of the utility model:
1, as shown in Fig. 4, by slide handle, arrow direction is pulled back as illustrated with mobile female Luer, by injection needle
It is received in outer sheath simultaneously with chopping.
2, novel mucous membrane incision knife is inserted into human body by speculum forceps deferent.
3, as shown in Fig. 2, chopping is stretched out outer sheath to being pushed forward by arrow direction as illustrated by slide handle.
4, it as shown in A figure in Fig. 6 and B figure, on the normal mucosa at diseased tissues edge, carries out calcination and marks lesion size model
It encloses.
5, as shown in figure 3, arrow direction pulls back as illustrated by slide handle, chopping is withdrawn, then mobile Rule is connect
Arrow direction stretches out injection needle to being pushed forward to head as illustrated.
6, as shown in C figure in Fig. 6, injection needle is pierced into from lesion edge, makes pathological tissues in mucosal under layer injection liquid
Protuberance.
7, as shown in Fig. 2, by slide handle, for arrow direction to being pushed forward, epitheca is stretched out in chopping as illustrated, by mobile Rule
Arrow direction pulls back connector as illustrated, withdraws injection needle.
8, as shown in D figure in Fig. 6, pathological tissues are removed along mark point.
9, if necessary to the operation to the repeatable step 5 of mucosal under layer injection liquid, 6,7,8 in stripping process, until
Pathological tissues do not cut off state completely.
10, pathological tissues are taken out with snare or the string bag, to make pathological analysis.
Embodiment described above is a kind of preferable scheme of the utility model, is not made to the utility model any
Formal limitation, there are also other variations and modifications on the premise of not exceeding the technical scheme recorded in the claims.
Claims (10)
1. a kind of novel mucous membrane incision knife, including handle portion and sheath pipe portion, the handle portion include handle, slide handle and end
Cap, slide handle are equipped with fixture block, and slide handle is slidably connected by fixture block and handle, and handle passes through end cap connecting utricle pipe portion,
It is characterized by: the sheath pipe portion includes outer sheath, chopping, seal wire, injection needle, the first heat-shrinkable T bush and injection connector, cut
Silk is fixedly connected with seal wire, and seal wire connects handle portion, and outer sheath connects handle portion and injection connector, hand by the first heat-shrinkable T bush
Shank and injection connector are located at the same end of the first heat-shrinkable T bush；At least two lumens, pipe are equipped with inside the outer sheath
Chamber includes the chopping chamber for accommodating chopping and seal wire and the injecting cavity for accommodating injection needle, and end cap passes through the first thermal shrinkable sleeve
Pipe is connected to chopping chamber, and injection connector is connected to injecting cavity by the first heat-shrinkable T bush；The chopping chamber is in one far from handle portion
Inner wall of end is held to be equipped with the first position-limiting tube for limiting chopping extension elongation, the injecting cavity is in one end far from handle portion
Inner wall of end is equipped with the second position-limiting tube for limiting injection needle extension elongation.
2. a kind of novel mucous membrane incision knife according to claim 1, it is characterised in that: set between the chopping and seal wire
There is wirerope, wirerope both ends are respectively equipped with the first connecting tube and the second connecting tube, and chopping passes through the first connecting tube and wirerope
It is fixedly connected, seal wire is fixedly connected by the second connecting tube with wirerope, and the outer diameter of the first connecting tube is greater than the first position-limiting tube
Internal diameter.
3. a kind of novel mucous membrane incision knife according to claim 1, it is characterised in that: the injection needle outer wall is equipped with solid
Fixed pipe, fixing pipe are fixedly connected with injection needle, and the outer diameter of fixing pipe is greater than the internal diameter of the second position-limiting tube.
4. a kind of novel mucous membrane incision knife according to claim 1, it is characterised in that: first position-limiting tube and second
Limit pipe outer wall is equipped with several hangnails, and the first position-limiting tube is fitted close by hangnail and chopping chamber, and the second position-limiting tube is by falling
Thorn is fitted close with injecting cavity.
5. a kind of novel mucous membrane incision knife according to claim 1, it is characterised in that: the injection connector includes fixing
Connector and mobile female Luer for connecting external infusion device, anchor tip one end are inserted into the first heat-shrinkable T bush and connect note
Needle is penetrated, the anchor tip other end connects mobile female Luer, and injection needle is equipped with sealing ring in the one end connecting with anchor tip.
6. a kind of novel mucous membrane incision knife according to claim 1, it is characterised in that: the end cap and the first thermal shrinkable sleeve
The second heat-shrinkable T bush is equipped between pipe, the second heat-shrinkable T bush both ends are respectively fixedly connected with the first heat-shrinkable T bush and end cap.
7. a kind of novel mucous membrane incision knife according to claim 1, it is characterised in that: be equipped with conductive bullet in the end cap
Spring and electrode for connecting external high frequency electric knife equipment, seal wire pass through power spring connection electrode.
8. a kind of novel mucous membrane incision knife according to claim 1, it is characterised in that: conduit is equipped in the handle,
Seal wire protrudes into conduit and is fixedly connected with fixture block.
9. a kind of novel mucous membrane incision knife according to claim 1, it is characterised in that: the outer sheath is far from handle
One end end outer wall in portion is equipped with the mark line for differentiating moving distance.
10. a kind of novel mucous membrane incision knife according to claim 1, it is characterised in that: the intracavitary diameter of the chopping is less than
Injecting cavity internal diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821310237.XU CN209074869U (en) | 2018-08-14 | 2018-08-14 | A kind of novel mucous membrane incision knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821310237.XU CN209074869U (en) | 2018-08-14 | 2018-08-14 | A kind of novel mucous membrane incision knife |
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| Publication Number | Publication Date |
|---|---|
| CN209074869U true CN209074869U (en) | 2019-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821310237.XU Active CN209074869U (en) | 2018-08-14 | 2018-08-14 | A kind of novel mucous membrane incision knife |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108814711A (en) * | 2018-08-14 | 2018-11-16 | 浙江创想医学科技有限公司 | A kind of novel mucous membrane incision knife |
-
2018
- 2018-08-14 CN CN201821310237.XU patent/CN209074869U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108814711A (en) * | 2018-08-14 | 2018-11-16 | 浙江创想医学科技有限公司 | A kind of novel mucous membrane incision knife |
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