CN209332260U - Cutting laser operations device - Google Patents
Cutting laser operations device Download PDFInfo
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- CN209332260U CN209332260U CN201821559149.3U CN201821559149U CN209332260U CN 209332260 U CN209332260 U CN 209332260U CN 201821559149 U CN201821559149 U CN 201821559149U CN 209332260 U CN209332260 U CN 209332260U
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Abstract
A kind of cutting laser operations device, comprising: endoscope path way pipe；Optical-fibre channel pipe, the optical-fibre channel pipe side wall are connected with the endoscope path way pipe side wall；Electrode channel pipe, the electrode channel pipe side wall are connected with the endoscope path way pipe side wall or optical-fibre channel pipe side wall；Electrode, the electrode are located in the electrode channel pipe, and the electrode exposes one end of the electrode channel pipe in bending.The part that tumour root or more can be pushed open in the end of the electrode of bending prevents the part of tumour root or more sagging or swings that the excision to tumour root is interfered to operate, helps to ensure that going on smoothly for tumor resection operation.
Description
Technical field
The utility model relates to medical instruments field more particularly to a kind of cutting laser operations devices.
Background technique
Bladder cancer refers to the malignant tumour betided in bladder mucosa, and disease incidence tops the list in urogenital neoplasm
Position.Bladder cancer can be divided into non-Myometrial involvement bladder cancer (Non-muscle according to the difference of tumor invasive depth
Invasive Bladder Cancer, NMIBC) and Myometrial involvement bladder cancer (Muscle Invasive Bladder
Cancer, MIBC).Wherein, non-Myometrial involvement bladder cancer refers to that tumour is confined to the bladder wall mucous layer or submucosa, not yet
Muscularis propria is invaded downwards.
The scheme of the non-Myometrial involvement bladder cancer of clinical treatment is usually ocal resection lesion joint bladder internalization
Learn immune drug perfusion therapy.Wherein operative treatment mode includes transurethral electrovaporization (Transurethral
Resection of Bladder Tumor, TURBT) and trans-urethra resection of bladder tumor with Ho: YAG laser (Holmium Laser
Resection of Bladder Tumor, HOLBT).
Transurethral electrovaporization can be implemented repeatedly without operating on.But it is difficult to complete tumor resection in surgical procedure, causes
Postoperative recurrent rate is higher, and is easy to cause the complication such as vesical perforation, abdominal pain, urinary extravasation.
Trans-urethra resection of bladder tumor with Ho: YAG laser has many advantages, such as minimally invasive, few intercurrent disease, restores fast, but big in excision
When volume tumor of bladder, low efficiency is cut off, it usually needs cooperation tissue pulverizer is performed the operation, and process is more complex.
In addition, since tumor of bladder matter is soft, and being in when carrying out tumor of bladder resection operation using surgical procedure device
In flowing water environment, therefore during excision, part more than tumour root be easy it is sagging and as water flow is constantly swung,
The visual field for blocking tumour root influences the excision operation carried out to tumour root.
Utility model content
The utility model solves the problems, such as to be to provide a kind of cutting laser operations device, can push tumour root or more open
Part prevents the part of tumour root or more sagging or swings that the excision to tumour root is interfered to operate, helps to ensure that excision
Tumour operation is gone on smoothly.
To solve the above problems, the utility model provides a kind of cutting laser operations device, comprising: endoscope path way pipe；
Optical-fibre channel pipe, the optical-fibre channel pipe side wall are connected with the endoscope path way pipe side wall；Electrode channel pipe, the electrode
Tube channel side wall is connected with the endoscope path way pipe side wall or optical-fibre channel pipe side wall；Electrode, the electrode are located at described
In electrode channel pipe, the electrode exposes one end of the electrode channel pipe in bending.
Optionally, it is in the angle between the end of the electrode of bending and the electrode channel pipe extending direction
30 °~60 °.
Optionally, the end of the electrode is bent towards optical-fibre channel pipe direction.
It optionally, is 3mm~6mm in the length of the end of the electrode of bending.
Optionally, the electrode is in the curve-like of non-close, and there are two root, two root conducts for the electrode tool
The both ends separated from one another of the curve of the non-close.
Optionally, the quantity of the electrode channel pipe is two, and it is logical that described two roots are located at described two electrodes
In deferent.
Optionally, two electrode channel pipes are symmetrical arranged, the plane of symmetry by the optical-fibre channel pipe and it is described in peep
The central axis of mirror tube channel.
Optionally, the cutting laser operations device further include: resetting apparatus, the resetting apparatus include the first torsional spring and
First connection sleeve, the first connection sleeve are sheathed on the electrode channel pipe, the first connection sleeve and described two
A root is fixedly connected, and first one end of torsional spring is fixedly connected with the first connection sleeve, and the first torsional spring other end is solid
Surely the endoscope path way pipe is connected.
Optionally, the optical-fibre channel pipe and the movable connection of endoscope path way pipe；The resetting apparatus further includes
Second torsional spring and the second connection sleeve, the second connection sleeve are sheathed on the optical-fibre channel pipe, second connector sleeve
Cylinder is fixedly connected with the optical-fibre channel pipe；Second one end of torsional spring be fixedly connected it is described second connection sleeve, described second
The torsional spring other end is fixedly connected with the endoscope path way pipe.
Optionally, the outer wall of the outer wall of the electrode channel pipe and the endoscope path way pipe and the optical-fibre channel pipe
Outer wall is tangent.
Compared with prior art, the technical solution of the utility model has the advantage that
In the technical solution of cutting laser operations device provided by the utility model, the electrode exposes the electrode channel
One end of pipe is in bending, convenient for by portions open more than sagging tumour root, under the part for preventing tumour root or more
It hangs down or swings and block the tumour root visual field, facilitate going on smoothly for tumor resection operation, so that tumor resection efficiency can be improved.
In optinal plan, in the angle between the end and the electrode channel pipe extending direction of the electrode of bending
It is 30 °~60 °.The angle is appropriate, on the one hand, guarantees that the end of the electrode, can towards in the moving process of tumour root
Smoothly part more than sagging tumour root is jacked up and is then pushed open；On the other hand, so that tumour root after pushing open with
On part ride on the end of the electrode, prevent due to the excessively precipitous part quilt for causing tumour root or more of bending angle
It is slided after pushing open from the end of the electrode.
In optinal plan, the electrode exposes one end of the electrode channel pipe in bending, on the one hand, in bending
The end of the electrode is when close to more than sagging tumour root part, convenient for first pushing up part more than tumour root
It rises, provides support to part more than tumour root, gradually moved then as the end towards close to tumour direction, by tumour
Portions open more than root.On the other hand, the end of the electrode is in below the endoscope path way pipe, in tumor resection
During, the end of the electrode can be closer to tumour root, the operation of tumour root excision convenient to carry out.
In optinal plan, the length in the end of the electrode of bending is 3mm~6mm, the end of the electrode
Length is appropriate, on the one hand, convenient for pushing the part of tumour root or more open, to build for the excision operation of tumour root appropriate steady
Determine environment；On the other hand, the end the space occupied for being conducive to reduce the electrode avoids filling by the cutting laser operations
It sets when withdrawing human body, the end of the electrode injures human normal tissue.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the cutting laser operations device of the utility model specific embodiment；
Fig. 2 is the enlarged drawing of cutting laser operations device a-quadrant shown in FIG. 1；
Fig. 3 is sectional view of the laser operations device shown in FIG. 1 along the direction B1B2；
Fig. 4 is the structural schematic diagram of the electrode of cutting laser operations device shown in FIG. 1；
Fig. 5 is the structural schematic diagram of the cutting laser operations device of the utility model another specific embodiment.
Specific embodiment
It is understandable to enable the above objects, features, and advantages of the utility model to become apparent, with reference to the accompanying drawing to this
The specific embodiment of utility model is described in detail.
Referring to Figure 1 and Figure 2, a kind of cutting laser operations device 100, comprising: endoscope path way pipe 200；Optical-fibre channel pipe
300,300 side wall of optical-fibre channel pipe is connected with 200 side wall of endoscope path way pipe；Electrode channel pipe 400, the electricity
Tube channel 400 side wall in pole is connected with 200 side wall of endoscope path way pipe or 300 side wall of optical-fibre channel pipe；Electrode 410, institute
It states electrode 410 to be located in the electrode channel pipe 400, the electrode 410 exposes one end of the electrode channel pipe 400 in curved
Roll over shape.
In the present embodiment, the cutting laser operations device 100 is for cutting off tumor of bladder.The cutting laser operations dress
100 integrated endoscope path way pipes 200, optical-fibre channel pipe 300 and electrode channel pipe 400 are set, supports cutting and laser ablation bladder
Two kinds of modes of operation of tumour, the advantages of two kinds of modes of operation can be given full play to.It, can such as when cutting off large volume tumor of bladder
Most of tumour is cut off using cutting first, then removes tumors remaining tissue using laser.On the one hand, it can guarantee that tumour is complete
It is complete to be removed, facilitate the generation for preventing the complication such as vesical perforation, abdominal pain, urinary extravasation；On the other hand, be conducive to improve excision
Efficiency simplifies tumor resection operating process.
It is equipped with endoscope (not shown) in the endoscope path way pipe 200, for observing to tumor resection.
During tumor resection, described 200 one end of endoscope path way pipe is close to tumour, and the other end is along away from tumour
Direction extends.Front end close to one end of tumour as the endoscope path way pipe 200, away from one end of tumour as described interior
The rear end of sight glass tube channel 200.
The extending direction of the optical-fibre channel pipe 300 is identical as the extending direction of the endoscope path way pipe 200.
With reference to Fig. 2 and Fig. 3, in the present embodiment, the optical-fibre channel pipe 300 is fixedly installed on the endoscope path way pipe
200 bottom.During tumor resection, compared to the endoscope path way pipe 200, the optical-fibre channel pipe 300 is more
Close to tumour root position, it is convenient for from tumour root tumor resection.
The optical-fibre channel pipe 300 is connected with the endoscope path way pipe 200 using being spirally connected, being bonded or welded mode and fix
It connects.
In the present embodiment, the caliber of the optical-fibre channel pipe 300 is less than the caliber of the endoscope path way pipe 200.
There is optical fiber 310, the optical-fibre channel pipe 300 exposes institute towards one end of tumour in the optical-fibre channel pipe 300
State the end of optical fiber 310.
In the present embodiment, the optical fiber 310 is fixedly installed in the optical-fibre channel pipe 300.
The optical fiber 310 includes the fiber optic protection layer of optical cable 312 of fiber core 311 and cladding 311 surface of fiber core.
The extending direction of the electrode channel pipe 400 is identical as the extending direction of the endoscope path way pipe 200.The electricity
The front end of pole tube channel 400 is flushed with the front end of the endoscope path way pipe 200.
In the present embodiment, the caliber of the electrode channel pipe 400 is less than the caliber of the optical-fibre channel pipe 300.
In the present embodiment, the quantity of the electrode channel pipe 400 is two.Two electrode channel pipes 400 are symmetrically set
It sets, the plane of symmetry is by the optical-fibre channel pipe 300 and the central axis of the endoscope path way pipe 200.In other embodiments,
The quantity of the electrode channel pipe can also be one.
In the present embodiment, the outer wall of the electrode channel pipe 400 and the outer wall of the endoscope path way pipe 200 are tangent, and
The outer wall of the electrode channel pipe 400 is also tangent with the outer wall of the optical-fibre channel pipe 300, to make full use of space, meets institute
State the requirement of the miniaturization of cutting laser operations device 100.
In the present embodiment, with reference to Fig. 1, in the position of the front end close to the endoscope path way pipe 200, the electrode channel
400 position of pipe increases, correspondingly, 410 position of the electrode being located in the electrode channel pipe 400 increases, makes in bending
The end 411 front end and the optical fiber 310 be substantially in same level.During being cut off to tumour,
In the front end of the end 411 of bending, expose out of described optical-fibre channel pipe 300 end and the tumour of the optical fiber 310
Root is substantially in same level, convenient for switching two kinds of excision modes at any time, adjustment position above and below repeatedly is avoided to influence hand
The efficiency of art operation.
In the present embodiment, the electrode channel pipe 400 connects with the endoscope path way pipe 200 using welding manner is fixed
It connects.In other embodiments, the electrode channel pipe and the endoscope path way pipe can also be using being spirally connected or bonding way is solid
Fixed connection.
In other embodiments, the outer wall of the electrode channel pipe is only tangent with the outer wall of the endoscope path way pipe, or
Person, the outer wall of the electrode channel pipe are only tangent with the outer wall of the optical-fibre channel pipe.
With reference to Fig. 1 and Fig. 4, the electrode 410 is in the curve-like of non-close.The electrode 410 has there are two root 412,
Separated from one another both ends of two roots 412 as the curve of the non-close, described two roots 412 are located at
In described two electrode channel pipes 400, and it is located at the described one end of electrode channel pipe 400 far from tumour.
The one end of two roots 412 as the electrode 410, the other end of the electrode 410 are from the electricity
The end 411 of the electrode 410 exposed in pole tube channel 400.
In the present embodiment, the front end geometry of the end 411 is in semi-annular shape, and semi-annular shape front end is parallel with two
Linear structure is mutually connected.The front end of described two linear structures and semi-annular shape constitutes the end 411.Described two
Linear structure spacing is greater than the spacing of described two electrode channel pipes 400.
Described two linear structure spacing are larger, convenient for pushing tumour open, even for the biggish tumour of volume, the end
It portion 411 also can be smoothly by portions open more than tumour root.
Between the root 412 and the end 411 of the electrode 410, the electrode 410 further include: extension 414,
Extension 415 and elongated portion 413, the extension 414 is close to the root 412, and the elongated portion 413 is close to the end
411, the extension 415 is between extension 414 and elongated portion 413, as the mistake between extension 414 and elongated portion 413
It crosses.
The extension 414 is linearly, and the extension 414 is located in electrode channel pipe 400, with the electrode
410 is mobile forward relative to the electrode channel pipe 400, the part extension close to 400 front end of electrode channel pipe
414 can stretch out out of electrode channel pipe 400.
The extension 415 transition smooth between extension 414 and elongated portion 413.The extension 415 is from described
It is stretched out in electrode channel pipe 400, edge is towards the direction of tumour, the extension stretched out out of two electrode channel pipes 400
Spacing between 415 is gradually increased.
The elongated portion 413 is linearly, and the elongated portion 413 exposed out of two electrode channel pipes 400 is mutually flat
Row, its spacing are equal to the spacing of two linear structures of the end 411.
End 411 and 400 extending direction of electrode channel pipe in the present embodiment, in the electrode 410 of bending
Between angle theta be 30 °~60 °.The angle is appropriate, on the one hand, guarantees the end 411 of the electrode 410 towards tumour root
In moving process, smoothly part more than sagging tumour root can be jacked up and then pushed open；On the other hand, so that pushing open
Part more than tumour root afterwards rides on the end 411 of the electrode 410, prevents from causing since bending angle is excessively precipitous
Part more than tumour root is slided after being open from the end 411 of the electrode 410.
In the present embodiment, the end 411 of the electrode 410 is bent towards 300 direction of optical-fibre channel pipe, on the one hand, is made
The end 411 for obtaining the electrode 410 is in 200 lower section of endoscope path way pipe, during tumor resection, the electrode
410 end 411 is closer to tumour root, the operation of tumour root excision convenient to carry out.On the other hand, the electrode 410
End 411 close to more than sagging tumour root part when, the end 411 of the electrode 410 is bent downward, convenient for first
Part more than tumour root is jacked up, support is provided to part more than tumour root, then as 411 court of end
It is gradually moved close to tumour direction, by portions open more than tumour root.
In other embodiments, the end of the electrode can also be bent towards other directions, for example, it is also possible to towards described interior
The bending of sight glass tube channel direction.
In the present embodiment, the length H in the end 411 of the electrode 410 of bending is 3mm~6mm, if the end
411 length H is too small, and the difficulty that the end 411 pushes bulky tumors open is big, and the end 411 is difficult to hold up entire tumour
Part more than root；If the length H of the end 411 is excessive, 411 the space occupied of end of the electrode 410 is caused
Excessive, when the cutting laser operations device 100 is withdrawn human body, the end 411 is easy to injure human normal tissue.
The electrode 410 can the relatively described electrode channel pipe 400 move forward and backward.Before being cut off to tumour root,
It is mobile towards tumour relative to the electrode channel pipe 400 by controlling the electrode 410, make the electrode 410 gradually close to tumour
And by portions open more than sagging tumour root.After being cut off to tumour root, by the part of the exposing electrode
410 are retracted into the electrode channel pipe 400, avoid when the cutting laser operations device 100 is withdrawn human body, the electricity
Pole 410 injures human normal tissue.
With reference to Fig. 1, in the present embodiment, the cutting laser operations device 100 further include: resetting apparatus 500, it is described multiple
Position device 500 is for resetting the electrode 410 after the electrode channel pipe 400 movement.
In the present embodiment, the resetting apparatus 500 includes: the first connection sleeve 510 and the first torsional spring 520, and described first
Connection sleeve 510 is sheathed on the electrode channel pipe 400, and the first connection sleeve 510 and described two roots 412 are solid
Fixed connection, described first torsional spring, 520 one end are fixedly connected with the first connection sleeve 510, and 520 other end of the first torsional spring is solid
Surely the endoscope path way pipe 200 is connected.
In the present embodiment, the first connection sleeve 510 is located at the described one end of electrode channel pipe 400 far from tumour, institute
The first connection sleeve 510 is stated to be sheathed on the endoscope path way pipe 200, optical-fibre channel pipe 300 and electrode channel pipe 400, and
The first connection sleeve 510 can the relatively described endoscope path way pipe 200, optical-fibre channel pipe 300 and the shifting of electrode channel pipe 400
It is dynamic.
The first connection sleeve 510 is fixedly connected with described two roots 412 using welding, Nian Jie or screw connection manner.
Under the resilient force that first torsional spring 520 provides, the first connection sleeve 510 drives the electrode
410 relative to the electrode channel pipe 400 it is mobile after be able to carry out and automatically reset.
The laser operations device 100 further include: first handle lantern ring 610, the fixation of first handle lantern ring 610 are set
It is placed on the first connection sleeve 510；Grips 620, the grips 620 and the fixed company of the endoscope path way pipe 200
It connects, and the grips 620 is between the first handle lantern ring 610 and the front end of the endoscope path way pipe 200.
In the present embodiment, the effect of the first handle lantern ring 610 and the grips 620 is manual for convenience of operator
Operation, it is mobile relative to the electrode channel pipe 400 to control the electrode 410.Specifically, thumb can be placed in by operator
In the first handle lantern ring 610, grips 620 described in remaining finger grip controls the first handle lantern ring using thumb
610 move toward and away from the grips 620, that is, before can control the relatively described electrode channel pipe 400 of the electrode 410 to make
After move.
In the present embodiment, the grips 620 structure in the shape of a rod, and the extending direction of the grips 620 with it is described interior
200 extending direction of sight glass tube channel is perpendicular.
The cutting laser operations device 100 further include: fixes sleeve, it is logical that the fixes sleeve is sheathed on the endoscope
On deferent 200, there is interface (not shown) in the fixes sleeve, is used for grafting other component.
In the present embodiment, the fixes sleeve include the first fixes sleeve 710 and the second fixes sleeve 720, described first
Fixes sleeve 710 is located at side of the grips 620 close to 200 front end of endoscope path way pipe, second fixing sleeve
Cylinder 720 is located at the rear end of the endoscope path way pipe 200.
Fig. 5 is the structural schematic diagram of the cutting laser operations device 100 of another embodiment.
With reference to Fig. 5, unlike previous embodiment, the optical-fibre channel pipe 300 can with the endoscope path way pipe 200
Be flexibly connected, the optical-fibre channel pipe 300 can the relatively described endoscope path way pipe 200 extend along the endoscope path way pipe 200
Direction is moved forward and backward.
In the present embodiment, the laser operations device 100 further include: pilot sleeve 320, the pilot sleeve 320 it is outer
Wall is fixedly connected with the outer wall of the endoscope path way pipe 200, and the optical-fibre channel pipe 300 passes through the pilot sleeve 320,
The optical-fibre channel pipe 300 is flexibly connected with the endoscope path way pipe 200 by the pilot sleeve 320.
In the present embodiment, the resetting apparatus 500 further includes the second connection sleeve 811 and the second torsional spring 812, and described second
Connection sleeve 811 is sheathed on the optical-fibre channel pipe 300, the second connection sleeve 811 and the optical-fibre channel pipe 300
It is fixedly connected；Described second torsional spring, 812 one end is fixedly connected with the second connection sleeve 811,812 other end of the second torsional spring
It is fixedly connected with the endoscope path way pipe 200.
In the present embodiment, second torsional spring 812 connect sleeve 811 with described second and matches, and makes the optical-fibre channel
Pipe 300 is resetted after the endoscope path way pipe 200 movement.
In the present embodiment, for convenience of operator's manual operation, the laser operations device 100 further include: second handle
Lantern ring 820, the second handle lantern ring 820 are fixedly installed on the second connection sleeve 811.
Although the utility model discloses as above, the utility model is not limited to this.Anyone skilled in the art,
It does not depart from the spirit and scope of the utility model, can make various changes or modifications, therefore the protection scope of the utility model
It should be defined by the scope defined by the claims..
Claims (10)
1. a kind of cutting laser operations device characterized by comprising
Endoscope path way pipe；
Optical-fibre channel pipe, the optical-fibre channel pipe side wall are connected with the endoscope path way pipe side wall；
Electrode channel pipe, the electrode channel pipe side wall are connected with the endoscope path way pipe side wall or optical-fibre channel pipe side wall
It connects；
Electrode, the electrode are located in the electrode channel pipe, and the electrode exposes one end of the electrode channel pipe in bending
Shape.
2. cutting laser operations device as described in claim 1, which is characterized in that in bending the electrode end with
Angle between the electrode channel pipe extending direction is 30 °~60 °.
3. cutting laser operations device as described in claim 1, which is characterized in that the end of the electrode is logical towards the optical fiber
The bending of deferent direction.
4. cutting laser operations device as described in claim 1, which is characterized in that in the end of the electrode of bending
Length is 3mm~6mm.
5. cutting laser operations device as described in claim 1, which is characterized in that the electrode is in the curve-like of non-close,
There are two root, separated from one another both ends of two roots as the curve of the non-close for the electrode tool.
6. cutting laser operations device as claimed in claim 5, which is characterized in that the quantity of the electrode channel pipe is two
A, described two roots are located in described two electrode channel pipes.
7. cutting laser operations device as claimed in claim 6, which is characterized in that two electrode channel pipes are symmetrically set
It sets, the plane of symmetry is by the optical-fibre channel pipe and the central axis of the endoscope path way pipe.
8. cutting laser operations device as claimed in claim 5, which is characterized in that further include: resetting apparatus, the reset dress
It sets including the first torsional spring and the first connection sleeve, the first connection sleeve is sheathed on the electrode channel pipe, and described first
Connection sleeve is fixedly connected with described two roots, and first one end of torsional spring is fixedly connected with the first connection sleeve, described
The first torsional spring other end is fixedly connected with the endoscope path way pipe.
9. cutting laser operations device as claimed in claim 8, which is characterized in that the optical-fibre channel pipe and the endoscope
The movable connection of tube channel；The resetting apparatus further includes the second torsional spring and the second connection sleeve, the second connection sleeve set
On the optical-fibre channel pipe, the second connection sleeve is fixedly connected with the optical-fibre channel pipe；Second torsional spring one
End is fixedly connected with the second connection sleeve, and the second torsional spring other end is fixedly connected with the endoscope path way pipe.
10. cutting laser operations device as described in claim 1, which is characterized in that the outer wall of the electrode channel pipe and institute
The outer wall of the outer wall and the optical-fibre channel pipe of stating endoscope path way pipe is tangent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821559149.3U CN209332260U (en) | 2018-09-25 | 2018-09-25 | Cutting laser operations device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821559149.3U CN209332260U (en) | 2018-09-25 | 2018-09-25 | Cutting laser operations device |
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| CN209332260U true CN209332260U (en) | 2019-09-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111358547A (en) * | 2020-02-28 | 2020-07-03 | 杭州市第一人民医院 | Transurethral minimally invasive prostate operation handle |
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2018
- 2018-09-25 CN CN201821559149.3U patent/CN209332260U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111358547A (en) * | 2020-02-28 | 2020-07-03 | 杭州市第一人民医院 | Transurethral minimally invasive prostate operation handle |
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