CN209107572U - Microwave ablation lobe of the liver fixed pin - Google Patents
Microwave ablation lobe of the liver fixed pin Download PDFInfo
- Publication number
- CN209107572U CN209107572U CN201820466715.XU CN201820466715U CN209107572U CN 209107572 U CN209107572 U CN 209107572U CN 201820466715 U CN201820466715 U CN 201820466715U CN 209107572 U CN209107572 U CN 209107572U
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- outer tube
- lobe
- coupler body
- liver
- microwave ablation
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Abstract
The utility model relates to microwave ablation lobe of the liver fixed pins, including puncture outer tube and fix inner core, and fixed inner core is placed in puncture outer tube and can axial stretching movement；Fixed inner core includes core bar, core bar front end is provided with several coupler bodies for capableing of elastic bending, coupler body tail end is connect with core bar front end, coupler body tip is convergent in puncture outer tube and inconsistent with the inner wall of puncture outer tube, coupler body tip, which is stretched out, to be punctured when outer tube is not collected power and can freely be unfolded, and anchor-shaped overhead kick is formed.The fixation inner core that the utility model setting punctures outer tube and can move inside it, pass through the cooperation of fixed inner core and puncture outer tube, so that the coupler body of fixed inner core front end is launched into anchor-shaped overhead kick when stretching out and puncturing outer tube fixes lobe of the liver where tumour, it elastic can be collapsed when retracting and puncturing outer tube, both lobe of the liver can have been carried out effectively fixed, it is convenient to extract again, to make that microwave melt needle is easier, more venipuncture enters target tumor, completes precisely ablation.
Description
Technical field
The utility model relates to a kind of instruments of target internal organs fixed when microwave ablation, specifically microwave ablation lobe of the liver
Fixed pin belongs to Design for Medical Device technical field.
Background technique
Microwave ablation is a kind of technology of microwave thermal solidification treatment of tumor, ultrasound or CT guidance positioning is used, by microwave
Ablation needle percutaneous puncture is inserted directly into inside cancer stove, by microwave power radiant temperature to 50 degrees Celsius or more and when being kept for one section
Between, cause the tumor tissues in the region solidify, be denaturalized, is permanent dead, forming the near-spherical coagulation necrosis an of sharpness of border
Area achievees the purpose that original place inactivates cancerous issue.Microwave ablation is with wound is small, complication is low, has no toxic side effect, patient's pain
Less, the advantages that expense is lower.Compared with the therapies such as traditional thermotherapy, radiotherapy, because its be tumour is directly generated destruction effect, therefore
It is easier to reach the radical result of similar surgical operation.Compared with many novel operations, have it is easy to operate, operating time is short,
The advantages that haemostatic effect is obvious, no sputtering, no adhesion, inorganization bright burnt stink and fog, healing time is short.
In current clinical application, when carrying out microwave ablation, need that microwave melt needle 7 is first punctured into target tumor 6,
But when tumour 6 is located between the left liver leaf adjacent to one another 4 and right lobe of the liver 5 in liver and when close to liver surface (as shown in Figure 6), when
When target tumor volume is smaller, there is displacement when puncture between lobe of the liver again, microwave melt needle 7 is difficult to puncture into target tumor 6
The heart even melts failure to easily lead to microwave ablation and miss fire.
Summary of the invention
The purpose of the utility model is to provide a kind of microwave ablation lobe of the liver fixed pin, which has a compact structure and a reasonable design, energy
So that microwave melt needle is more accurately punctured into target tumor center, guarantees Microwave Coagulation Therapy effect.
The above-mentioned technical purpose of the utility model has the technical scheme that
Microwave ablation lobe of the liver fixed pin, it is characterised in that: including puncturing outer tube and fixed inner core, the fixed inner core
It is placed in puncture outer tube and energy axial stretching is mobile；The fixed inner core includes core bar, and core bar front end is provided with several
Be capable of the coupler body of elastic bending, the coupler body tail end is connect with core bar front end, coupler body tip be convergent on puncture outer tube in and with
The inner wall for puncturing outer tube is inconsistent, and coupler body tip, which is stretched out, to be punctured when outer tube is not collected power and can freely be unfolded, and is formed
Anchor-shaped overhead kick.If the inner wall for puncturing outer tube front end is oriented to equipped with arterial highway as a further improvement of the utility model,
The quantity of groove, the guide groove is consistent with coupler body quantity, several coupler body tips are led embedded at several correspondingly
Into groove, coupler body tip can be slided along guide groove.
The guide groove front end is set with the front end face for puncturing outer tube as a further improvement of the utility model,
There is arc transiting surface.
The outer wall for puncturing outer tube rear end is indicated equipped with several roads as a further improvement of the utility model,
Line, the quantity of the index line and the quantity of guide groove are consistent and be located along the same line correspondingly.
Several described coupler bodies are uniformly distributed in a circumferential direction as a further improvement of the utility model,.
The core bar rear end is equipped with handle as a further improvement of the utility model,.
Shape after the coupler body is freely unfolded as a further improvement of the utility model, is arc-shaped, coupler body tip to
The bending of core bar tail end direction.
The core bar includes several cores as a further improvement of the utility model, and the rear portion of several cores is simultaneously
Row is arranged and is mutually permanently connected, and constitutes core bar；The front end of every core is bent out a coupler body.
The rear portion of several cores is mutually solid by the canoe that spirals as a further improvement of the utility model,
Fixed connection.
The coupler body is made of Medical memory alloy material as a further improvement of the utility model,.
The utility model compared with prior art, has the advantages that
1, the utility model is provided with the fixation inner core that punctures outer tube and can move inside it, passes through fixed inner core
With the cooperation for puncturing outer tube, the coupler body of fixed inner core front end is enable to be launched into anchor-shaped overhead kick when stretching out and puncturing outer tube,
It elastic can be collapsed when retracting and puncturing outer tube, not only can be effectively fixed to lobe of the liver progress, but also be convenient to extract, to make micro-
Wave ablation needle is easier, more venipuncture enters target tumor, completes precisely ablation.
2, the guide groove that the utility model is cooperated by the setting on puncturing outer tube and coupler body tip, and it is outer puncturing
The setting of casing rear end is used for the index line of guide groove position, so that operator can more intuitively determine coupler body in people in art
Intracorporal position keeps microwave ablation surgical procedure more convenient accurate, can greatly improve the accuracy of operation.
Detailed description of the invention
Fig. 1 is structural schematic diagram when 1 coupler body of the utility model embodiment is located at except puncture outer tube；
Fig. 2 is structural schematic diagram when 1 coupler body of the utility model embodiment is located within puncture outer tube；
Fig. 3 is the structural schematic diagram that outer tube is punctured in the utility model embodiment 1.
Fig. 4 is the A-A cross-sectional view in Fig. 3.
Fig. 5 is the B-B partial sectional view in Fig. 3.
Fig. 6 is one of the clinical manipulation schematic diagram step of the utility model embodiment 1.
Fig. 7 is the two of the clinical manipulation schematic diagram step of the utility model embodiment 1.
Fig. 8 is the structural schematic diagram that inner core is fixed in the utility model embodiment 2.
Description of symbols: 1- punctures outer tube, 1a- guide groove, 1b- arc transiting surface, 1c- index line, 2- and fixes
Inner core, 2.1- core bar, 2.2- coupler body, 2.3- core, 3- handle, 4- left liver leaf, the right lobe of the liver of 5-, 6- tumour, 7- microwave ablation
Needle.
Specific embodiment
The utility model is described in further detail below with reference to specific drawings and examples.
Embodiment 1
As shown in Figure 1 and Figure 2, embodiment 1 discloses a kind of microwave ablation lobe of the liver fixed pin, mainly by puncture housing
Pipe 1 is formed with fixed inner core 2, and the fixed inner core 2 is placed in puncture outer tube 1 and energy axial stretching is mobile.
As shown in Figure 1 and Figure 2, the fixed inner core 2 includes core bar 2.1, and in 2.1 front end of core bar, there are three in circumference for setting
Coupler body 2.2 that is equally distributed and being capable of elastic bending, 2.2 tail end of coupler body are connect with 2.1 front end of core bar on direction, coupler body
2.2 tips are convergent in puncture outer tube 1 and inconsistent with the inner wall of puncture outer tube 1,2.2 tip of coupler body stretching puncture housing
Pipe 1 can freely be unfolded when not collected power, and anchor-shaped overhead kick is formed in the normal liver tissue around tumour 6, tense casing
It fixes lobe of the liver where tumour after needle, accurately fixes tumour 6.
As shown in Figure 3, Figure 4, in the present embodiment 1, the inner wall for puncturing 1 front end of outer tube is equipped with three guide grooves
1a, the guide groove 1a and coupler body 2.2, which correspond, to be cooperated, and 2.2 tip of coupler body is in guide groove 1a, coupler body 2.2
Tip can be slided along guide groove 1a.So set, when fixed inner core 2 is packed when puncturing within outer tube 1, it is fixed
Inner core 2 and puncture outer tube 1 between be unable to relative rotation, in clinical treatment, doctor can according to ultrasound or CT images data,
Outer tube 1 is punctured by control to adjust the angles and positions of fixed inner core 2, to make 2.2 tip of coupler body in fixed inner core 2
It is capable of fixing 6 place lobe of the liver of tumour from the anchor-shaped overhead kick for puncturing and being formed after outer tube 1 is unfolded is stretched out, accurately fixes tumour 6,
Improve the accuracy of microwave ablation operation.
As shown in figure 5, the front end the guide groove 1a and the front end face for puncturing outer tube 1 are equipped with arc transiting surface
1b.So set, 2.2 tip of coupler body is smooth always between 2.2 tip of coupler body and guide groove 1a in expansion or gathering
Smoothly face face cooperates, and on the one hand makes the expansion at 2.2 tip of coupler body and gathering more stable, on the other hand makes coupler body 2.2 and wear
Thorn outer tube 1 is not easy to be worn, and is conducive to the service life for improving equipment.
As shown in figure 3, the outer wall for puncturing 1 rear end of outer tube is equipped with three index line 1c, this three in the present embodiment
Road index line 1c and guide groove 1a is located along the same line correspondingly.So set, operator can be made to pass through observation
Index line 1c can intuitively determine that coupler body 2.2 in the intracorporal position of people, keeps surgical procedure more convenient accurate.
As shown in Figure 1, the shape after the coupler body 2.2 is freely unfolded is arc-shaped in the present embodiment 1,2.2 tip of coupler body
It is bent to 2.1 tail end direction of core bar.So set, 6 place lobe of the liver of tumour can be fixed more securely, tumour is accurately fixed
6, facilitate operation.
As shown in Figure 1,2.1 rear end of core bar is equipped with handle 3, so set, can be convenient doctor in the present embodiment 1
It holds with a hand, improves operation ease and operation precision.
In embodiment 1, the coupler body 2.2 is made of Medical memory alloy material, such as can be using the boat life of Shenzhen power
The GR2 Medical memory alloy of production, so that coupler body 2.2 is by repeatedly being unfolded and collecting still to be able to maintain original state.
The concrete application situation of the utility model is as follows:
In clinical treatment, when tumour 6 is located in liver adjacent to one another between left liver leaf 4 and right lobe of the liver 5 and close to liver table
When face, the lobe of the liver fixed pin of the utility model is first punctured into the normal liver tissue at 6 edge of tumour, is stopped after reaching appropriate location
Only, 2.2 tip of coupler body fixed in inner core 2 at this time, which is convergent on, to be punctured in outer tube 1 [as shown in Figure 6]；
Then the handle 3 of fixed 2 rear end of inner core is held, fixed inner core 2 is pushed forward, stretches out and puncture when 2.2 tip of coupler body
When outer tube 1,2.2 tip of coupler body is no longer inconsistent with the inner wall of puncture outer tube 1, that is, is no longer influenced by and collects power, at this time coupler body
2.2 tips can freely be unfolded, and form anchor-shaped overhead kick, which can be such that 6 place lobe of the liver of tumour fixes, accurately fix
Tumour 6 completes precisely ablation [as shown in Figure 7] to make that microwave melt needle 7 is easier, more venipuncture enters target tumor 6；
After ablation, the handle 3 of fixed 2 rear end of inner core is held, pulls back fixed inner core 2, coupler body 2.2 is rear
The front end that outer tube 1 is punctured during moving back contradicts, and gradually deforms, and is puncturing in outer tube 1 until being packed completely, at this time will be whole
A lobe of the liver puncture needle is extracted, that is, completes a set of surgical procedure.
Embodiment 2
As shown in figure 8, embodiment 2 discloses a kind of microwave ablation lobe of the liver fixed pin, the difference with embodiment 1 exists
It is different in the structure of fixed inner core 2.
The core bar 2.1 of fixation inner core 2 in embodiment 1 is a solid body of rod, and three coupler bodies 2.2 are welded to connect in solid hopkinson bar
The front end of body.And the fixation inner core 2[in embodiment 2 is as shown in Figure 8] it is made of three cores 2.3, three cores 2.3
Rear portion is arranged side by side and is mutually permanently connected, and constitutes core bar 2.1；The front end of three cores 2.3 is bent out a coupler body respectively
2.2。
As shown in figure 8, the rear portion of three cores 2.3 in embodiment 2 is mutually permanently connected by the canoe that spirals.Such as
This setting, the manufacturing cost relative moderate of fixed inner core 2, can mitigate patient medical burden.In example 2,2.3 He of core
Coupler body 2.2 is all made of Medical memory alloy material and is made.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (10)
1. microwave ablation lobe of the liver fixed pin, it is characterised in that:, fixation outer tube (1) and fixed inner core (2) including puncturing
Inner core (2) is placed in puncture outer tube (1) and can axial stretching movement；The fixed inner core (2) includes core bar (2.1), in core
Bar (2.1) front end is provided with several coupler bodies (2.2) for capableing of elastic bending, before coupler body (2.2) tail end and core bar (2.1)
End connection, coupler body (2.2) tip, which is convergent on, punctures in outer tube (1) and inconsistent with the inner wall of puncture outer tube (1), coupler body
(2.2) tip, which is stretched out, punctures when outer tube (1) is not collected power and can freely be unfolded, and forms anchor-shaped overhead kick.
2. microwave ablation as described in claim 1 lobe of the liver fixed pin, it is characterised in that: puncture outer tube (1) front end
Inner wall be equipped with arterial highway guide groove if (1a), the quantity of the guide groove (1a) is consistent with coupler body (2.2) quantity, several
A coupler body (2.2) tip is embedded at correspondingly in several guide grooves (1a), and coupler body (2.2) tip can be along guiding
Groove (1a) sliding.
3. microwave ablation as claimed in claim 2 lobe of the liver fixed pin, it is characterised in that: the guide groove front end (1a) with
The front end face for puncturing outer tube (1) is equipped with arc transiting surface (1b).
4. microwave ablation as claimed in claim 2 or claim 3 lobe of the liver fixed pin, it is characterised in that: after the puncture outer tube (1)
The outer wall at end be equipped with several road index lines (1c), the quantity of the index line (1c) it is consistent with the quantity of guide groove (1a) and
It is located along the same line correspondingly.
5. microwave ablation lobe of the liver fixed pin as described in claim 1, it is characterised in that: several described coupler bodies (2.2) exist
It is uniformly distributed on circumferencial direction.
6. microwave ablation as described in claim 1 lobe of the liver fixed pin, it is characterised in that: core bar (2.1) rear end is equipped with
Handle (3).
7. microwave ablation as described in claim 1 lobe of the liver fixed pin, it is characterised in that: the coupler body (2.2) is freely unfolded
Shape afterwards is arc-shaped, and coupler body (2.2) tip is bent to core bar (2.1) tail end direction.
8. microwave ablation as described in claim 1 lobe of the liver fixed pin, it is characterised in that: the core bar (2.1) includes several
The rear portion of root core (2.3), several cores (2.3) is arranged side by side and is mutually permanently connected, and constitutes core bar (2.1)；Every core
The front end of body (2.3) is bent out a coupler body (2.2).
9. microwave ablation as claimed in claim 8 lobe of the liver fixed pin, it is characterised in that: several cores (2.3)
Rear portion is mutually permanently connected by the canoe that spirals.
10. microwave ablation as described in claim 1 lobe of the liver fixed pin, it is characterised in that: the coupler body (2.2) is using medical
Memory alloy material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820466715.XU CN209107572U (en) | 2018-03-30 | 2018-03-30 | Microwave ablation lobe of the liver fixed pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820466715.XU CN209107572U (en) | 2018-03-30 | 2018-03-30 | Microwave ablation lobe of the liver fixed pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209107572U true CN209107572U (en) | 2019-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820466715.XU Expired - Fee Related CN209107572U (en) | 2018-03-30 | 2018-03-30 | Microwave ablation lobe of the liver fixed pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209107572U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108392267A (en) * | 2018-03-30 | 2018-08-14 | 无锡市人民医院 | Microwave ablation lobe of the liver fixed pin |
-
2018
- 2018-03-30 CN CN201820466715.XU patent/CN209107572U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108392267A (en) * | 2018-03-30 | 2018-08-14 | 无锡市人民医院 | Microwave ablation lobe of the liver fixed pin |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190716 Termination date: 20200330 |