CN204394448U - There is multichannel endoscope and the device system for the non-Myometrial involvement tumor of bladder operation of per urethra - Google Patents
There is multichannel endoscope and the device system for the non-Myometrial involvement tumor of bladder operation of per urethra Download PDFInfo
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- CN204394448U CN204394448U CN201420749394.6U CN201420749394U CN204394448U CN 204394448 U CN204394448 U CN 204394448U CN 201420749394 U CN201420749394 U CN 201420749394U CN 204394448 U CN204394448 U CN 204394448U
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Abstract
This utility model relates to the device system having multichannel endoscope and perform the operation for the non-Myometrial involvement tumor of bladder of per urethra, and this system comprises the bendable end operating theater instruments having multichannel endoscope and a) have bendable joint and/or bendable end operating theater instruments b) with pre-bend pipe structure.This utility model will have the bendable end operating theater instruments in bendable joint, the bendable end operating theater instruments with pre-bend pipe structure coordinate separately have multichannel endoscope use, or above two kinds of operating theater instruments are coordinated simultaneously there is the use of multichannel endoscope, the operating theater instruments end of various shape can be obtained, form encircling type operation angle, be convenient to refinement, and operation technique position can by Real Time Observation, relative to prior art, there is operation meticulous, full angle non-blind area, excision thoroughly, be convenient to grasp the excision degree of depth, the features such as hommization operation, be expected to the cure rate significantly promoting non-Myometrial involvement tumor of bladder, reduce postoperative complication, reduce tumor recurrence rate.
Description
Technical field
This utility model relates to technical field of medical instruments, specifically, relates to the device system for the non-Myometrial involvement tumor of bladder operation of per urethra.
Background technology
At present, intracavity operation is the important means of the diseases such as the non-Myometrial involvement tumor of bladder for the treatment of, along with the development of science and technology, intracavity operation Therapeutic Method also emerges in an endless stream, and comprises the electrotomy etc. that one pole TURP, bipolar plasmakinetic technique, Bladder stone, Thulium lasers art, fluorescent agent or NBI are auxiliary.
In general, bladder tumor electrocision (TURBt) is still the main method for the treatment of non-Myometrial involvement bladder cancer, but it still has some limitations.Especially larger for gross tumor volume, the tumor of bladder that single operation can not be excised completely, or because shape of tumor is irregular, tumor is multiple, knub position is positioned at the reasons such as operation blind area, easily dissection aspect is lost in operation process, cause tumor resection thoroughly or cutting tissue is excessively dark, too much, thus cause that surgical effect is undesirable, post-operative complication and the problem such as tumor recurrence rate is higher.And the motility become more meticulous being conducive to improving focus cutting of surgical instrument operation, be convenient to disposable cutting, accurately enough and focus and grasp depth of cut, length etc.But have not been reported about the very meticulous per urethra approach non-Myometrial involvement tumor of bladder intracavity operation apparatus of operation at present.
Summary of the invention
The purpose of this utility model is for deficiency of the prior art, provides one to have multichannel endoscope.
Of the present utility model again one object be that a kind of device system for the operation of per urethra non-Myometrial involvement tumor of bladder is provided.
For achieving the above object, the technical scheme that this utility model is taked is:
One has multichannel endoscope, be provided with mirror body and mirror sheath, described mirror body is provided with eyepiece, light conducting cylinder, inlet channel and outlet conduit, object lens, guide lighting channel, intake tunnel and exhalant canal is provided with in described mirror sheath, described mirror body is also provided with the first apparatus connector and the second apparatus connector, the first service aisle and the second service aisle is also provided with in described mirror sheath, the first described apparatus connector is connected with the first service aisle, and the second described apparatus connector is connected with the second service aisle.
Preferably, the upper limb of described mirror sheath cross section outer rim is curved, and lower edge is bending.
For realizing above-mentioned second object, the technical scheme that this utility model is taked is:
For a device system for per urethra non-Myometrial involvement tumor of bladder operation, it comprises and as above arbitraryly described has multichannel endoscope, and
A) have the bendable end operating theater instruments in bendable joint: it is provided with driving handle and apparatus bar, the far-end of described apparatus bar is provided with the flexible joint segments be made up of several joints; The inner all hollow of described driving handle, apparatus bar, flexible joint segments and being connected; Described driving handle is provided with two push rods, each push rod is equipped with turning cylinder, described turning cylinder one end is interspersed in the intracavity of driving handle by the through hole on driving handle wall, and turning cylinder is fixed with traction fiber, and described traction fiber has two free ends; Two free ends of the traction fiber that one of them push rod arranges are fixed on a joint of flexible sections centre portion, two free ends of the traction fiber that another push rod arranges are fixed on a joint of flexible sections far-end, and the free end of traction fiber is applied in the traction fiber perforation on joint; Traction fiber punch position for running through traction fiber two free ends that same push rod arranges is relative; Described push rod is equipped with lock handle;
And/or
B) there is the bendable end operating theater instruments of pre-bend pipe structure: it is provided with handle and action bars, pre-bend pipe is provided with in described handle and action bars, described pre-bend pipe is assemblied on the push-pull bar of drawing handle, described action bars can move relative to handle and then regulate pre-bend pipe relative to the extension elongation of action bars, and the internal run-through of described action bars and pre-bend pipe forms indwelling device passage.
Described flexible joint segments is that snake bone chain or the engraved structure swan-neck that become through laser engraving by metal tube are formed; And/or described described pre-bend pipe is made up of metal knitted pipe, Nitinol light-wall pipe or high molecule plastic.
Described flexible joint segments is snake bone chain, and one end, each joint is provided with two relative pin-and-holes of position, and the other end is provided with two relative key seats of position, and adjacent segment riveting under the cooperation of pin-and-hole, key seat and rivet is fixed; And/or described pre-bend pipe has two, be respectively the first pre-bend pipe and the second pre-bend pipe, it is inner that the described first pre-bend pipe is nested in the second pre-bend pipe, and the described first pre-bend pipe and the second pre-bend pipe are assemblied on the first push-pull bar and the second push-pull bar respectively.
Described joint is provided with four traction fiber perforation, and four traction fiber perforation form two groups of traction fiber perforation between two side by side, and the position of two groups of traction fiber perforation is relative, and the line of two groups of traction fiber perforation and the line of two pin-and-holes intersect in " ten " word; And/or the first described push-pull bar and the second push-pull bar slot type are chimeric can relative to each other slide.
Traction fiber perforation for running through traction fiber two free ends that same push rod arranges is circumferentially symmetrical; And/or the near-end of described push-pull bar is provided with jaw, the outside of described jaw is provided with locking sleeve.
Described turning cylinder is provided with the stopper slot rounded, and described traction fiber is fixed on stopper slot; And/or described jaw is when being incorporated in one, the Zhou Jing proximally to far-end diminishes gradually, and the inwall Zhou Jing of described locking sleeve proximally also diminishes gradually to far-end; Described jaw and locking sleeve are threaded.
Described push rod is also provided with and pushes away handle and handle seat, and described to push away handle curved, and one end is connected on handle seat, and one end bends along the trajectory direction of driving handle outer wall girth, two push rods to push away handle bending extension direction contrary; And/or described handle inwall is provided with groove, described bottom portion of groove is fixed with spring, and described spring upper end is provided with hoodle; Described push-pull bar outer wall is provided with the pit of axially-aligned.
Described lock handle is between handle seat and driving handle, described lock handle is provided with stator and chock, described lock handle is socketed on turning cylinder by the perforation on stator, described perforation is greater than the cross-sectional area of turning cylinder, and described chock inwardly can insert clamping or outwards extract from the gap between handle seat and driving handle.
This utility model advantage is:
there is the bendable end operating theater instruments in bendable joint:
1, be provided with two push rods, each push rod arranges lock handle and traction fiber respectively, the free end of two cover traction fibers is individually fixed in centre portion and the far-end of flexible joint segments, flexible joint segments is made to be segmented control, bending and form can be able to fix in serpentine hyperbolicity, significantly improve the motility of apparatus, add the fineness of operation, under specific operation tract, compared to existing operating theater instruments, can reach and each position of focus, full angle non-blind area, be convenient to excise various form, the tumor of position, operate simpler, surgical effect is better,
2, turning cylinder is provided with stopper slot, and traction fiber is fixed on stopper slot, and about when can prevent traction fiber from moving, offset amplitude is excessive, avoids mutual interference;
3, on each joint of flexible sections, four traction fiber perforation are arranged side by side between two, form two groups of traction fiber perforation, and the line of two groups of traction fiber perforation intersects in " ten " word with the line of two pin-and-holes, can control the angle of bend of flexible sections more flexibly, realize the maximization of angle of bend;
4, the far-end in the joint of flexible sections distalmost end is provided with the fixing head of important actor shape, and the head end that can control the apparatus (as optical fiber) be installed in cavity is accurately movable;
5, lock handle adopts damping locking, and structure is simple, easy and simple to handle.
there is the bendable end operating theater instruments of pre-bend pipe structure:
1, material such as the metal knitted pipe of natural bend in one direction field of surgical can be applied to, the length that it stretches out in action bars far-end is controlled by drawing handle, and then difform instrument end can be obtained, as arc, serpentine hyperbolicity bend, the operating theater instruments being assemblied in indwelling device passage can be reached and each position of focus, operate meticulousr, under specific operation tract, compared to existing operating theater instruments, full angle non-blind area can be realized, be convenient to the tumor of excising various form, position, operation is simpler, and surgical effect is better;
When 2, two nested pre-bend pipes are set, for handle two push-pull bars of pre-bend pipe be slot type be fitted together to, the mobile of the two can be demarcated point-blank, the shape of two pre-bend pipes can be controlled more accurately, and when can ensure that one of them push-pull bar is locked, another push-pull bar is also locked indirectly;
3, described push-pull bar can be locked, and is convenient to fixing pre-bending tube shape, and push-pull bar locking design is convenient and practical;
4, described push-pull bar near-end is provided with jaw, by the operating theater instruments in locking sleeve rotational lock indwelling device passage, operates very easy.
there is multichannel endoscope:
1, be provided with multiple service aisle, two kinds of operating theater instruments can be coordinated simultaneously to use, add the motility of operation technique, be convenient to the operation more become more meticulous;
2, the shape of mirror sheath and mirror sheath each channel shape inner, Position Design are reasonable, can ensure less mirror sheath Zhou Jing, be applicable to the cavitys such as narrow urethra, and can obtain image clearly, be convenient to guided operation operation.
device system for the non-Myometrial involvement tumor of bladder operation of per urethra:
The bendable end operating theater instruments with bendable joint, the bendable end operating theater instruments with pre-bend pipe structure are coordinated separately and there is multichannel endoscope uses, or above two kinds of operating theater instruments are coordinated simultaneously there is the use of multichannel endoscope, the operating theater instruments end of various shape can be obtained, form encircling type operation angle, be convenient to refinement, and operation technique position can by Real Time Observation.Rely on merely for " TURP ring " carry out excising relative to tumor of bladder in the past, this utility model have meticulous, the full angle non-blind area of operation, excision thoroughly, be convenient to grasp feature such as the excision degree of depth, hommization operation etc., be expected to the cure rate significantly promoting non-Myometrial involvement tumor of bladder, reduce postoperative complication, reduce tumor recurrence rate.
Accompanying drawing explanation
Accompanying drawing 1 is the axonometric chart of the bendable end operating theater instruments with bendable joint.
Accompanying drawing 2 is internal structure schematic diagrams of push rod.
Accompanying drawing 3 is structural representations of flexible joint segments.
Accompanying drawing 4 is the structural representations in joint.
Accompanying drawing 5 is axonometric charts of the bendable end operating theater instruments (I) with pre-bend pipe structure.
Accompanying drawing 6 is A-A sectional views of Fig. 5.
Accompanying drawing 7 is fixation principle figure of the middle drawing handle of bendable end operating theater instruments (I) with pre-bend pipe structure.
Accompanying drawing 8 is proximal structure schematic diagrams of the middle push-pull bar of bendable end operating theater instruments (I) with pre-bend pipe structure.
Accompanying drawing 9 is the partial enlarged drawings of B in Fig. 6.
Accompanying drawing 10 is axonometric charts of the bendable end operating theater instruments (II) with pre-bend pipe structure.
Accompanying drawing 11 is C-C sectional views of Figure 10.
Accompanying drawing 12 is the first push-pull bar and second push-pull bar structural representations in the bendable end operating theater instruments (II) with pre-bend pipe structure.
Accompanying drawing 13 is fixation principle figure of the first drawing handle in the bendable end operating theater instruments (II) with pre-bend pipe structure.
Accompanying drawing 14 is that this utility model has multichannel endoscope axonometric chart.
Accompanying drawing 15 is D-D sectional views of Figure 14.
Accompanying drawing 16 is this utility model axonometric charts for the device system of the non-Myometrial involvement tumor of bladder operation of per urethra.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention provided by the invention is elaborated.
The Reference numeral related in accompanying drawing and ingredient as follows:
1. there is the bendable end operating theater instruments in bendable joint
11. driving handles, 12. apparatus bars, 13. flexible joint segments, 131. joints, 1311. pin-and-holes, 1312. key seats, 1313. traction fiber perforation, 14. joints, 15. push rods, 151. push away handle, 152. handle seats, 153. turning cylinders, 154. stopper slots, 16. lock handles, 161. stators, 162. chocks, 163. perforation, 17. traction fibers, 171. joints, 132. fixing head
2. there is the bendable end operating theater instruments of pre-bend pipe structure
21. handles, 211. grooves, 212. springs, 213. hoodles, 22. drawing handles, 2210. first drawing handles, 2220. second drawing handles, 221. finger rings, 2211. first finger rings, 2212. second finger rings, 222. push-pull bars, 2221. first push-pull bars, 2222. second push-pull bars, 2223. pits, 2224. jaws, 2225. external screw threads, 23. action bars, 24. pre-bend pipes, 241. first pre-bend pipes, 242. second pre-bend pipes, 25. locking sleeves, 251. swing handles, 252. female threads, 26. indwelling device passages
3. there is multichannel endoscope
31. mirror bodies, 311. first apparatus connectors, 312. second apparatus connectors, 313. eyepieces, 314. light conducting cylinders, 315. inlet channels, 316. outlet conduit, 32. mirror sheaths, 321. first service aisles, 322. second service aisles, 323. object lens, 324. guide lighting channels, 325. intake tunnels, 326. exhalant canals
Herein, described " near-end " refers to that this utility model is one end that under surgical state, distance patient is nearer in a state of use, and described " far-end " refers to that this utility model is one end that under surgical state, distance patient is far away in a state of use.
Embodiment 1
one, there is the bendable end operating theater instruments in bendable joint
Please refer to Fig. 1, Fig. 1 is the axonometric chart of the bendable end operating theater instruments with bendable joint.The described bendable end operating theater instruments with bendable joint is provided with driving handle 11, apparatus bar 12 and flexible joint segments 13 successively by near-end to far-end, the inner all hollow of described driving handle 11, apparatus bar 12, flexible joint segments 13 and being connected.The near-end of described driving handle 11 is provided with joint 14, and position driving handle 11 being also provided with two push rods, 15, two push rods 15 is relative; Described push rod 15 is provided with and pushes away handle 151, handle seat 152 and turning cylinder 153 (not shown), described handle seat 152 is cylindrical, described to push away handle 151 curved, and one end is connected on handle seat 152 sidewall, and one end bends along the trajectory direction of driving handle 11 outer wall girth; Two push rods 15 to push away handle 151 bending extension direction just in time contrary, one pushes away the top that handle 151 is positioned at driving handle 11, and another pushes away the below that handle 151 is positioned at driving handle 11; Each push rod 15 all arranges a lock handle 16.
Please refer to Fig. 2, Fig. 2 is the internal structure schematic diagram of push rod.The one side of the nearly driving handle of handle seat 152 is fixed in described turning cylinder 153 one end, the other end is interspersed in the intracavity of driving handle 11 by the through hole (not shown) on driving handle 11 wall, and the section outer wall that turning cylinder 153 is positioned at driving handle 11 intracavity is provided with the stopper slot 154 rounded.Described stopper slot 154 internal fixtion has two traction fibers 17.Described traction fiber 17 one end is fixed on stopper slot 154, and the other end is free end.Described lock handle 16 is provided with stator 161 and chock 162, perforation 163 is provided with in described stator 161, described lock handle 16 is socketed on turning cylinder 153 by perforation 163, and lock handle 16 is between handle seat 152 and driving handle 11, described perforation 163 is greater than the cross-sectional area of turning cylinder 153, makes chock 162 from the gap between handle seat 152 and driving handle 11, inwardly can insert clamping or outwards extract.
Please refer to Fig. 3, Fig. 3 is the structural representation of flexible joint segments.Described flexible joint segments 13 is provided with several joints 131, the sidewall of one end, each joint 131 is provided with pin-and-hole 1311, the sidewall of the other end is provided with outstanding key seat 1312, under the cooperation of the pin-and-hole 1311 of adjacent segment 131 on sidewall and key seat 1312 and rivet (not shown), riveting is fixed, makes whole flexible joint segments 13 in snake bone chain.The far-end in the joint 131 of distalmost end is provided with the fixing head 132 of important actor shape.
Please refer to Fig. 4, Fig. 4 is the structural representation in joint.Each joint 131 is provided with two pin-and-holes 1311 and two key seats, 1312, two pin-and-hole 1311 positions are relative, and two key seat 1312 positions are relative.Described joint 131 inwall is also provided with four traction fiber perforation, 1313, four traction fiber perforation 1313 and forms two groups of traction fiber perforation 1313 between two side by side, and the position of two groups of traction fiber perforation 1313 is relative.The line of two groups of traction fiber perforation 1313 intersects in " ten " word with the line of two pin-and-holes 1311.Traction fiber perforation 1313 on each joint 131 is connected formation four passages.
Two free ends of two traction fibers 17 that one of them push rod 15 arranges pass from two traction fiber perforation 1313 respectively and these two traction fibers perforation 1313 are positioned in diagonal positions, namely circumferentially symmetrical, symmetrical relative to the center of circle; Two free ends of two traction fibers 17 that another push rod 15 arranges pass respectively from two other traction fiber perforation 1313.Two the free end far-ends being fixed on two traction fibers 17 on a push rod 15 are fixed on a joint 131 of flexible sections centre portion, and two free ends being fixed on two traction fibers 17 on another push rod 15 are fixed on the joint 131 of distalmost end.
It should be noted that, described push rod 15 can control the relative motion of traction fiber 17 two free ends, when rotating push rod 15, the free end of a traction fiber 17 distally moves, the free end of another traction fiber 17 then proximally moves, and then drives joint 131 place be connected with above-mentioned two traction fiber 17 free end far-ends to bend.The described bendable end operating theater instruments with bendable joint is provided with two push rods 15, arrange a set of traction fiber 17 respectively, two cover traction fiber 17 free end far-ends are individually fixed in centre portion and the far-end of flexible joint segments 13, flexible joint segments 13 is made to be segmented control, can bend in serpentine hyperbolicity, significantly improve the described motility with the bendable end operating theater instruments in bendable joint, add the fineness of operation, under the restriction of specific tract, it can reach and each position of focus, full angle non-blind area.The design of described traction fiber 17 is not limited on each turning cylinder 153 fixes two, as long as can ensure that same turning cylinder 153 possesses two traction fiber free ends, and turning cylinder 153 can drive two traction fiber free end relative motioies when rotating, such as, also can be that turning cylinder 153 is provided with a traction fiber and the centre portion of traction fiber is wound on turning cylinder 153.The effect of described stopper slot 154 is that about limiting when traction fiber 17 moves, offset amplitude is excessive, in order to avoid mutually disturb between different traction fiber 17.Preferably, two free ends of two traction fibers 17 on same push rod 15 pass from two circumferentially symmetrical traction fibers perforation 1313 respectively, can ensure that flexible sections 13 that same set of traction fiber 17 controls forms serpentine hyperbolicity bending; Four traction fiber perforation 1313 are formed two groups between two side by side, and the Position Design of two groups becomes relative, can ensure that the compound bending formed is in the same plane; The line of two groups of traction fiber perforation 1313 intersects in " ten " word with the line of two pin-and-holes 1311, can control the angle of bend of flexible sections 13 more flexibly, realize the maximization of angle of bend.The far-end in the joint 131 of described flexible sections 13 distalmost end is provided with the fixing head 132 of important actor shape, can limit the activity of apparatus (as the optical fiber) head end installed in cavity, can control apparatus wherein more accurately.Described flexible joint segments 13 is not limited only to the snake bone chain structure of the present embodiment, and the engraved structure swan-neck that can also be become through laser engraving by thin metallic tubd is formed.Described lock handle 16 can limit the rotation of push rod 15, thus flexible joint segments 13 is fixed on specific angle of bend and form.Curved and the one end of handle 151 that pushes away of described push rod 15 bends along the trajectory direction of driving handle outer wall girth, two push rods 15 to push away handle 151 bending extension direction contrary, this design meets base of principle of human engineering, and thumb easy to use and forefinger handle two push rods 15.What the lock handle 16 of the present embodiment adopted is damping locking, and this kind of design operation is very easy, but other lock mode also can.
When the described bendable end operating theater instruments with bendable joint is used alone, for per urethra approach non-Myometrial involvement tumor of bladder intracavity operation, enter optical fiber or other apparatus in the described cavity interpolation with the bendable end operating theater instruments in bendable joint and lock, apparatus bar 12 is inserted until bladder through endoscopic working channel, then hand-held driving handle 11, thumb controls the push rod 15 of top, forefinger controls the push rod 15 of below, and ensure that the traction fiber of push rod 15 arranging of top controls the far-end of flexible sections 13, to meet base of principle of human engineering, thumb is more flexibly utilized to control the form of flexible sections 13 far-end.Comprehensive regulation two push rods 15, to obtain desirable flexible sections 13 form, reach required focus cutting part, lock push rod 15 by lock handle 16, cutting focus.The described bendable end operating theater instruments with bendable joint is meticulousr compared to existing surgical instrument operation, full angle non-blind area, therefore excise more thoroughly, be convenient to grasp the excision degree of depth, operate hommization more, can surgical effect be significantly improved, alleviate patient's workload.
The described bendable end operating theater instruments with bendable joint can also be used for the resection operation of other urothelial tumors, as the disease such as carcinoma of ureter, carcinoma of renal pelvis, only needs the operating theater instruments making corresponding size according to application site difference.
two, there is the bendable end operating theater instruments of pre-bend pipe structure
there is the bendable end operating theater instruments (I) of pre-bend pipe structure
Please refer to Fig. 5, Fig. 5 is the axonometric chart of the bendable end operating theater instruments (I) with pre-bend pipe structure.The described bendable end operating theater instruments (I) with pre-bend pipe structure is provided with handle 21, drawing handle 22, action bars 23, pre-bend pipe 24 and locking sleeve 25.Described handle 21 one end is connected with drawing handle 22, and the other end is connected with action bars 23.Described handle 21, drawing handle 22, action bars 23, pre-bend pipe 24 are equipped with cavity.Described pre-bend pipe 24 is positioned at the inside of handle 21 and action bars 23.Described locking sleeve 25 is placed on the near-end of drawing handle 22, and locking sleeve 25 outer wall is provided with swing handle 251.
Please refer to Fig. 6, Fig. 6 is the A-A sectional view of Fig. 5.Described drawing handle 22 is provided with finger ring 221 and push-pull bar 222; Described finger ring 221 is fixed on the centre portion of push-pull bar 222; Described push-pull bar 222 inner hollow, can slide in the cavity that far-end is embedded in handle 21 in the cavity of handle 21.Described pre-bend pipe 24 is assemblied in push-pull bar 222 far-end.The internal run-through of described drawing handle 221 and pre-bend pipe 24 forms indwelling device passage 26.Described locking sleeve 25 is socketed on the outside of push-pull bar 222 near-end.
Please refer to Fig. 7, Fig. 7 is the fixation principle figure of the middle drawing handle of bendable end operating theater instruments (I) with pre-bend pipe structure.The inwall of described handle 21 near-end is provided with groove 211, is fixed with spring 212 bottom described groove 211, and the upper end of described spring 212 is provided with hoodle 213.The outer wall of described push-pull bar 222 far-end is provided with the pit 2223 of axially-aligned.When making it slide in the cavity of handle 21 to push-pull bar 222 force, described hoodle 213 is oppressed to be bounced back in groove 211, when stopping force, under the resilience force of spring 212, described hoodle 213 falls in one of them pit 2223, and push-pull bar 222 is fixed relative to handle 21.
Please refer to Fig. 8 and Fig. 9, Fig. 8 is the proximal structure schematic diagram of the middle push-pull bar of bendable end operating theater instruments (I) with pre-bend pipe structure, and Fig. 9 is the partial enlarged drawing of B in Fig. 6.Described push-pull bar 222 near-end is provided with four jaws 2224; Described jaw 2224 inwall is arc, and four jaws 2224 reserve indwelling device passage 26 in central authorities; Four jaw 2224 outer walls are provided with external screw thread 2225; When four jaws 2224 are incorporated in one, the Zhou Jing proximally to far-end diminishes gradually.Described locking sleeve 25 is placed on the outside of four jaws 2224, and the inwall Zhou Jing of locking sleeve 25 proximally also diminishes gradually to far-end, and the inwall of locking sleeve 25 is provided with female thread 252.Described female thread 252 and external screw thread 2225 cooperatively interact, and make locking sleeve 25 can at push-pull bar 222 near-end axial-rotation.
there is the bendable end operating theater instruments (II) of pre-bend pipe structure
Please refer to Figure 10, Figure 10 is the axonometric chart of the bendable end operating theater instruments (II) with pre-bend pipe structure.The described bendable end operating theater instruments (II) with pre-bend pipe structure is provided with handle 21, drawing handle 22, action bars 23, pre-bend pipe 24 and locking sleeve 25.Described drawing handle 22 has two, is respectively the first drawing handle 2210 of near-end and the second drawing handle 2220 of far-end.Described pre-bend pipe 24 also has two, is respectively the first pre-bend pipe 241 and the second pre-bend pipe 242.Described handle 21 one end is connected with the second drawing handle 2220, and the other end is connected with action bars 23.Described handle 21, first drawing handle 2210, second drawing handle 2220, the pre-bend pipe of action bars 23, first 241 and the second pre-bend pipe 242 are equipped with cavity.Described second pre-bend pipe 242 is positioned at the inside of handle 21 and action bars 23, and the described first pre-bend pipe 241 is through the inside of the second pre-bend pipe 242.Described locking sleeve 25 is placed on the near-end of the first drawing handle 2210, and locking sleeve 25 outer wall is provided with swing handle 251.
Please refer to Figure 11, Figure 11 is the C-C sectional view of Figure 10.The first described drawing handle 2210 is provided with the first finger ring 2211 and the first push-pull bar 2221, and the first described finger ring 2211 is fixed on the centre portion of the first push-pull bar 2221; The second described drawing handle 2220 is provided with the second finger ring 2212 and the second push-pull bar 2222.The second described push-pull bar 2222 is positioned at the top of the first push-pull bar 2221 far-end.Can slide in the cavity of handle 21 in the cavity that the far-end of the second push-pull bar 2222 is embedded in handle 21, can slide in the cavity of handle 21 in the cavity that the far-end of the first described push-pull bar 2221 is also embedded in handle 21.Described second pre-bend pipe 242 is assemblied in the second push-pull bar 2222 far-end, and the described first pre-bend pipe 241 is assemblied in the first push-pull bar 2221 far-end, and the first pre-bend pipe 241 is through the inside of the second pre-bend pipe 242.The internal run-through of the described pre-bend pipe of the first drawing handle 2210, second drawing handle 2220, first 241 and the second pre-bend pipe 242 all parts forms indwelling device passage 26.Described locking sleeve 25 is socketed on the outside of the first drawing handle 2210 near-end.
Please refer to Figure 12, Figure 12 is the first push-pull bar and the second push-pull bar structural representation in the bendable end operating theater instruments (II) with pre-bend pipe structure.The second described push-pull bar 2222 is positioned at the top of the first push-pull bar 2221 far-end, and the two slot type is chimeric can relative to each other slide, and the merging of the contact site of the second push-pull bar 2222 and the first push-pull bar 2221 is reserved with indwelling device passage 26.The first described push-pull bar 2221 near-end is provided with four jaws 2224; Described jaw 2224 inwall is arc; Four jaw 2224 outer walls are provided with external screw thread 2225.
With the bendable end operating theater instruments (I) with pre-bend pipe structure, when four jaws 2224 are incorporated in one, proximally diminish gradually to far-end its week footpath.Described locking sleeve 25 is placed on the outside of four jaws 2224, and the inwall Zhou Jing of locking sleeve 25 proximally also diminishes gradually to far-end, and the inwall of locking sleeve 25 is provided with female thread 252.Described female thread 252 and external screw thread 2225 cooperatively interact, and make locking sleeve 25 can at the first push-pull bar 2221 near-end axial-rotation.
Please refer to Figure 13, Figure 13 is the fixation principle figure of the first drawing handle in the bendable end operating theater instruments (II) with pre-bend pipe structure.The inwall of described handle 21 near-end is provided with groove 211, is fixed with spring 212 bottom described groove 211, and the upper end of described spring 212 is provided with hoodle 213.The outer wall of the first described push-pull bar 2221 far-end is provided with the pit 2223 of axially-aligned.When making it slide in the cavity of handle 21 to the first push-pull bar 2221 force, described hoodle 213 is oppressed to be bounced back in groove 211, when stopping force, under the resilience force of spring 212, described hoodle 213 falls in one of them pit 2223, the first described push-pull bar 2221 is fixed relative to handle 21, and indirectly, the second described push-pull bar 2222 is also fixed.
For there is the bendable end operating theater instruments (I) of pre-bend pipe structure above and there is the bendable end operating theater instruments (II) of pre-bend pipe structure, it should be noted that, described indwelling device passage 26 for assembling operating theater instruments, as laser fiber, flexible injection pin, flexible surgical scissors, flexible nipper etc.Described pre-bend pipe 24 is by high can the making the material of natural bend in one direction of good bending property, intensity, such as metal knitted pipe, Nitinol light-wall pipe or high molecule plastic etc., preferable alloy braided tube, as SS304, SS316 material, its moment of torsion is about 1:1, transmitting force and good bending property, pre-bend pipe 24 can be single or multiple lift braiding hollow pipe, can be formed by one or more braidings in circle silk, flat filament, other shaped filaments.Described pre-bend pipe 24 is assemblied on the push-pull bar 222 of drawing handle 22, the length that patient can regulate pre-bend pipe 24 to stretch out at action bars 23 far-end by manipulation finger ring 221, because pre-bend pipe 24 itself has bending property, therefore its extension elongation difference then bends to different shapes, is convenient to each position that is enough and focus.The described bendable end operating theater instruments (II) with pre-bend pipe structure is provided with two pre-bend pipes 24 be nested, correspondingly be provided with the drawing handle 22 of the pre-bend pipe 24 of manipulation two, so by the extension elongation of the pre-bend pipe 24 of adjustment two, the instrument end that serpentine hyperbolicity is bending can be obtained, end is more flexible, add the fineness of operation, full angle non-blind area can be realized, in addition, more nested pre-bend pipe 24 can also be set to obtain more various instrument end shape.Having first push-pull bar 2221 described in bendable end operating theater instruments (II) of pre-bend pipe structure and the second push-pull bar 2222 for slot type is fitted together to, its advantage the mobile of the two can be demarcated point-blank, the shape of the first pre-bend pipe 241 and the second pre-bend pipe 242 can be controlled more accurately, and when can ensure that one of them push-pull bar is locked, another push-pull bar is also locked indirectly.Groove 211 on described handle 21, spring 212, hoodle 213 match with the pit 2223 of push-pull bar 222 can lock drawing handle 22, thus the shape of fixing pre-bend pipe 24, this kind of lock mode operation is very easy.Described push-pull bar 222 near-end is designed with jaw 2224, and jaw 2224 coordinates indwelling device can be locked with locking sleeve 25, and this kind of locking mode operation is also very easy.Described swing handle 251 is conveniently rotational lock sleeves 25.Described action bars 23 can be flexible.
When the described bendable end operating theater instruments with pre-bend pipe structure is used alone, for per urethra approach non-Myometrial involvement tumor of bladder intracavity operation, laser fiber or other operating theater instruments is inserted in the described indwelling device passage 26 with the bendable end operating theater instruments of pre-bend pipe structure, operating theater instruments is locked by rotational lock sleeve 25, action bars 23 is inserted until bladder through endoscopic working channel, then hand-held handle 21, finger control finger ring 221, by push-and-pull to control the extension elongation of pre-bend pipe 24 relative to action bars 23, until pre-bend pipe 24 possesses suitable shape that is enough and focus, stop push-and-pull, now hoodle 213 falls into pit 2223, drawing handle 22 is locked, carry out operation technique.The described bendable end operating theater instruments with pre-bend pipe structure is meticulousr compared to existing surgical instrument operation, full angle non-blind area, therefore excise more thoroughly, be convenient to grasp the excision degree of depth, operate hommization more, can surgical effect be significantly improved, alleviate patient's workload.
The described bendable end operating theater instruments with pre-bend pipe structure can also be used for the resection operation of other urothelial tumors, as the disease such as carcinoma of ureter, carcinoma of renal pelvis, only needs the operating theater instruments making corresponding size according to application site difference.
three, there is multichannel endoscope
Please refer to Figure 14, Figure 14 is that this utility model has multichannel endoscope axonometric chart.The described multichannel endoscope that has is provided with mirror body 31 and mirror sheath 32.Described mirror body 31 is provided with the first apparatus connector 311, second apparatus connector 312, eyepiece 313, light conducting cylinder 314, inlet channel 315 and outlet conduit 316.The first described apparatus connector 311 is located at the near-end of mirror body 31, described the second apparatus connector 312, eyepiece 313, light conducting cylinder 314, inlet channel 315 and outlet conduit 316 are located on the sidewall of mirror body 31, and inlet channel 315 is contrary with outlet conduit 316 position.The far-end of mirror body 31 is located at by described mirror sheath 32.
Please refer to Figure 15, Figure 15 is the D-D sectional view of Figure 14.Described mirror sheath 32 cross section outer rim is irregularly shaped, and particularly, upper limb is arc, and lower edge is bending.The first service aisle 321, second service aisle 322, object lens 323, guide lighting channel 324, intake tunnel 325 and exhalant canal 326 is provided with in mirror sheath 32.The first described service aisle 321, second service aisle 322 cross section is circle, the two is positioned at homonymy, described intake tunnel 325 is positioned at opposite side relative to the first service aisle 321 and the second service aisle 322, and the lateral margin that intake tunnel 325 contacts with the first service aisle 321 and the second service aisle 322 is to central concave, and attach mutually with the lateral margin of the first service aisle 321 and the second service aisle 322.Described guide lighting channel 324 is positioned at intake tunnel 325, and described object lens 323 are positioned at guide lighting channel 324.The cavity that described mirror sheath 32 removes the first service aisle 321, second service aisle 322, object lens 323, guide lighting channel 324 and intake tunnel 325 is then exhalant canal 326.
It should be noted that, be provided with between described eyepiece 313 and object lens 323 and pass as device group, for image transfer that object lens 323 are gathered to eyepiece 313; Be provided with leaded light device group between described light conducting cylinder 314 and guide lighting channel 324, drop into light source by light conducting cylinder 314, be passed to operative site through guide lighting channel 324; Above-described biography is all identical with existing endoscope device used group as device group and leaded light device group.Described inlet channel 315 is connected with intake tunnel 325, for injecting current to operative site; Described outlet conduit 316 is connected with exhalant canal 326, for being drained to external by unnecessary for operative site current.The first described apparatus connector 311 is connected with the first service aisle 321, the second described apparatus connector 312 is connected with the second service aisle 322, it is the service aisle of operating theater instruments, two kinds of operating theater instruments can be inserted simultaneously, collocation uses, to obtain the mode of operation more become more meticulous, obtain better surgical effect.Described mirror sheath 32 cross section outer rim is designed to irregularly shaped and non-circular, can reduce the Zhou Jing of mirror sheath 32 to be applicable to male (male urethra size≤26Fr, comparatively narrow); The lateral margin that described intake tunnel 325 contacts with the first service aisle 321 and the second service aisle 322 is to central concave, and attach mutually with the lateral margin of the two, the object of this design is also closely arranged by each passage, to reduce mirror sheath 32 weeks footpaths.Described guide lighting channel 324 is positioned at intake tunnel 325, described object lens 323 are positioned at guide lighting channel 324, so also can reduce mirror sheath 32 weeks footpaths, and can good illumination be obtained around object lens 323, the lesions position of object lens 323 correspondence directly can be flushed to by the current newly injected, thus image clearly can be obtained, be convenient to the situation that patient grasps operative site.
four, for the device system of the non-Myometrial involvement tumor of bladder operation of per urethra
Please refer to Figure 16, Figure 16 is the axonometric chart of this utility model for the device system of the non-Myometrial involvement tumor of bladder operation of per urethra.The described device system for the operation of per urethra non-Myometrial involvement tumor of bladder is provided with and comprises the bendable end operating theater instruments 1 with bendable joint, the bendable end operating theater instruments 2 with pre-bend pipe structure and have multichannel endoscope 3.The described apparatus bar 12 with the bendable end operating theater instruments 1 in bendable joint is inserted in the first apparatus connector 311 and the first service aisle 321 (not shown), and described flexible joint segments 13 stretches out in outside mirror sheath 32; The described action bars 23 with the bendable end operating theater instruments 2 of pre-bend pipe structure is inserted in the second apparatus connector 312 and the second service aisle 322 (not shown), and described pre-bend pipe 24 stretches out in outside mirror sheath 32.
It should be noted that, use by the bendable end operating theater instruments 1 with bendable joint is had multichannel endoscope 3 with bendable end operating theater instruments 2 cooperation with pre-bend pipe structure, the end of mirror sheath 32 is made to form encircling type operation angle, add exercisable scope, and flexible joint segments 13 and pre-bend pipe 24 are all flexible and angle of bend is adjustable, thus operation is meticulousr, can reach and each position of focus, full angle non-blind area.Apparent, this utility model is used in the device system of the non-Myometrial involvement tumor of bladder operation of per urethra, the bendable end operating theater instruments 1 with bendable joint and the bendable end operating theater instruments 2 with pre-bend pipe structure can be used alone also can be with the use of, and the described bendable end operating theater instruments 2 with pre-bend pipe structure can be single drawing handle formula or two drawing handle formula.
This utility model is used for the device system of per urethra non-Myometrial involvement tumor of bladder operation except for per urethra approach non-Myometrial involvement tumor of bladder resection operation, also can be used for the resection operation of other urothelial tumors, as the disease such as carcinoma of ureter, carcinoma of renal pelvis, only need the operating theater instruments making corresponding size according to application site difference.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the inventive method; can also make some improvement and supplement, these improve and supplement and also should be considered as protection scope of the present invention.
Claims (12)
1. one kind has multichannel endoscope, be provided with mirror body and mirror sheath, described mirror body is provided with eyepiece, light conducting cylinder, inlet channel and outlet conduit, object lens, guide lighting channel, intake tunnel and exhalant canal is provided with in described mirror sheath, it is characterized in that, described mirror body is also provided with the first apparatus connector and the second apparatus connector, the first service aisle and the second service aisle is also provided with in described mirror sheath, the first described apparatus connector is connected with the first service aisle, and the second described apparatus connector is connected with the second service aisle.
2. according to claim 1 have multichannel endoscope, it is characterized in that, the upper limb of described mirror sheath cross section outer rim is curved, and lower edge is bending.
3. the device system for the non-Myometrial involvement tumor of bladder operation of per urethra, it is characterized in that, it comprises and has multichannel endoscope described in claim 1 or 2, with the bendable end operating theater instruments with bendable joint, the described bendable end operating theater instruments with bendable joint is provided with driving handle and apparatus bar, and the far-end of described apparatus bar is provided with the flexible joint segments be made up of several joints; The inner all hollow of described driving handle, apparatus bar, flexible joint segments and being connected; Described driving handle is provided with two push rods, each push rod is equipped with turning cylinder, described turning cylinder one end is interspersed in the intracavity of driving handle by the through hole on driving handle wall, and turning cylinder is fixed with traction fiber, and described traction fiber has two free ends; Two free ends of the traction fiber that one of them push rod arranges are fixed on a joint of flexible sections centre portion, two free ends of the traction fiber that another push rod arranges are fixed on a joint of flexible sections far-end, and the free end of traction fiber is applied in the traction fiber perforation on joint; Traction fiber punch position for running through traction fiber two free ends that same push rod arranges is relative; Described push rod is equipped with lock handle.
4. device system according to claim 3, is characterized in that, described flexible joint segments is that snake bone chain or the engraved structure swan-neck that become through laser engraving by metal tube are formed; And/or described described pre-bend pipe is made up of metal knitted pipe, Nitinol light-wall pipe or high molecule plastic.
5. device system according to claim 4, it is characterized in that, described flexible joint segments is snake bone chain, and one end, each joint is provided with two relative pin-and-holes of position, the other end is provided with two relative key seats of position, and adjacent segment riveting under the cooperation of pin-and-hole, key seat and rivet is fixed; And/or described pre-bend pipe has two, be respectively the first pre-bend pipe and the second pre-bend pipe, it is inner that the described first pre-bend pipe is nested in the second pre-bend pipe, and the described first pre-bend pipe and the second pre-bend pipe are assemblied on the first push-pull bar and the second push-pull bar respectively.
6. device system according to claim 5, it is characterized in that, described joint is provided with four traction fiber perforation, four traction fiber perforation form two groups of traction fiber perforation between two side by side, the position of two groups of traction fiber perforation is relative, and the line of two groups of traction fiber perforation and the line of two pin-and-holes intersect in " ten " word; And/or the first described push-pull bar and the second push-pull bar slot type are chimeric can relative to each other slide.
7. device system according to claim 6, is characterized in that, circumferentially symmetrical for the traction fiber perforation running through traction fiber two free ends that same push rod arranges; And/or the near-end of described push-pull bar is provided with jaw, the outside of described jaw is provided with locking sleeve.
8. device system according to claim 7, is characterized in that, described turning cylinder is provided with the stopper slot rounded, and described traction fiber is fixed on stopper slot; And/or described jaw is when being incorporated in one, the Zhou Jing proximally to far-end diminishes gradually, and the inwall Zhou Jing of described locking sleeve proximally also diminishes gradually to far-end; Described jaw and locking sleeve are threaded.
9. device system according to claim 3, is characterized in that, described push rod is also provided with and pushes away handle and handle seat, it is described that to push away handle curved, one end is connected on handle seat, and one end bends along the trajectory direction of driving handle outer wall girth, two push rods to push away handle bending extension direction contrary; And/or described handle inwall is provided with groove, described bottom portion of groove is fixed with spring, and described spring upper end is provided with hoodle; Described push-pull bar outer wall is provided with the pit of axially-aligned.
10. device system according to claim 9, it is characterized in that, described lock handle is between handle seat and driving handle, described lock handle is provided with stator and chock, described lock handle is socketed on turning cylinder by the perforation on stator, described perforation is greater than the cross-sectional area of turning cylinder, and described chock inwardly can insert clamping or outwards extract from the gap between handle seat and driving handle.
11. 1 kinds of device systems for the non-Myometrial involvement tumor of bladder operation of per urethra, it is characterized in that, it comprises and has multichannel endoscope described in claim 1 or 2, with the bendable end operating theater instruments with pre-bend pipe structure, the described bendable end operating theater instruments with pre-bend pipe structure is provided with handle and action bars, pre-bend pipe is provided with in described handle and action bars, described pre-bend pipe is assemblied on the push-pull bar of drawing handle, described action bars can move relative to handle and then regulate pre-bend pipe relative to the extension elongation of action bars, the internal run-through of described action bars and pre-bend pipe forms indwelling device passage.
12. 1 kinds of device systems for the non-Myometrial involvement tumor of bladder operation of per urethra, it is characterized in that, it comprises and has multichannel endoscope described in claim 1 or 2, and has the bendable end operating theater instruments in bendable joint and have the bendable end operating theater instruments of pre-bend pipe structure, the described bendable end operating theater instruments with bendable joint is provided with driving handle and apparatus bar, the far-end of described apparatus bar is provided with the flexible joint segments be made up of several joints, described driving handle, apparatus bar, the inner all hollow of flexible joint segments and being connected, described driving handle is provided with two push rods, each push rod is equipped with turning cylinder, described turning cylinder one end is interspersed in the intracavity of driving handle by the through hole on driving handle wall, and turning cylinder is fixed with traction fiber, described traction fiber has two free ends, two free ends of the traction fiber that one of them push rod arranges are fixed on a joint of flexible sections centre portion, two free ends of the traction fiber that another push rod arranges are fixed on a joint of flexible sections far-end, and the free end of traction fiber is applied in the traction fiber perforation on joint, traction fiber punch position for running through traction fiber two free ends that same push rod arranges is relative, described push rod is equipped with lock handle, the described bendable end operating theater instruments with pre-bend pipe structure is provided with handle and action bars, pre-bend pipe is provided with in described handle and action bars, described pre-bend pipe is assemblied on the push-pull bar of drawing handle, described action bars can move relative to handle and then regulate pre-bend pipe relative to the extension elongation of action bars, and the internal run-through of described action bars and pre-bend pipe forms indwelling device passage.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420749394.6U CN204394448U (en) | 2014-12-03 | 2014-12-03 | There is multichannel endoscope and the device system for the non-Myometrial involvement tumor of bladder operation of per urethra |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420749394.6U CN204394448U (en) | 2014-12-03 | 2014-12-03 | There is multichannel endoscope and the device system for the non-Myometrial involvement tumor of bladder operation of per urethra |
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| CN204394448U true CN204394448U (en) | 2015-06-17 |
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| CN201420749394.6U Expired - Fee Related CN204394448U (en) | 2014-12-03 | 2014-12-03 | There is multichannel endoscope and the device system for the non-Myometrial involvement tumor of bladder operation of per urethra |
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| CN (1) | CN204394448U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104490467A (en) * | 2014-12-03 | 2015-04-08 | 中国人民解放军第二军医大学 | Transurethral intravesical operation instrument system for non-muscle invasive bladder cancer |
| CN105193374A (en) * | 2015-10-20 | 2015-12-30 | 孙道冬 | Ureteroscope |
| CN109567927A (en) * | 2018-11-22 | 2019-04-05 | 清华大学 | A kind of transluminal operation tool |
| CN109645946A (en) * | 2018-12-29 | 2019-04-19 | 上海交通大学医学院附属第九人民医院 | A kind of bottleneck throat endoscopic surgery device |
| CN111419197A (en) * | 2020-04-17 | 2020-07-17 | 胡三元 | Tissue detection device in minimally invasive surgery |
| CN111671379A (en) * | 2020-06-08 | 2020-09-18 | 北京凡星光电医疗设备股份有限公司 | Disposable medical examination device for endoscope |
| CN112120788A (en) * | 2020-09-23 | 2020-12-25 | 安徽医科大学第一附属医院 | Small-caliber laser resectoscope and cutting method |
| CN112315408A (en) * | 2019-08-05 | 2021-02-05 | 卡尔史托斯两合公司 | Medical instrument |
| CN112674869A (en) * | 2020-12-22 | 2021-04-20 | 苏州大学附属第二医院 | Urethra double-operation channel bladder tumor laser monoblock excision device |
| CN113499136A (en) * | 2021-07-07 | 2021-10-15 | 苏州大学附属第二医院 | Hard endoscope externally-matched rotatable auxiliary channel |
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- 2014-12-03 CN CN201420749394.6U patent/CN204394448U/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104490467A (en) * | 2014-12-03 | 2015-04-08 | 中国人民解放军第二军医大学 | Transurethral intravesical operation instrument system for non-muscle invasive bladder cancer |
| CN105193374A (en) * | 2015-10-20 | 2015-12-30 | 孙道冬 | Ureteroscope |
| CN109567927A (en) * | 2018-11-22 | 2019-04-05 | 清华大学 | A kind of transluminal operation tool |
| CN109645946A (en) * | 2018-12-29 | 2019-04-19 | 上海交通大学医学院附属第九人民医院 | A kind of bottleneck throat endoscopic surgery device |
| CN112315408A (en) * | 2019-08-05 | 2021-02-05 | 卡尔史托斯两合公司 | Medical instrument |
| CN111419197B (en) * | 2020-04-17 | 2023-09-26 | 胡三元 | Tissue detection device in minimally invasive surgery |
| CN111419197A (en) * | 2020-04-17 | 2020-07-17 | 胡三元 | Tissue detection device in minimally invasive surgery |
| CN111671379A (en) * | 2020-06-08 | 2020-09-18 | 北京凡星光电医疗设备股份有限公司 | Disposable medical examination device for endoscope |
| CN111671379B (en) * | 2020-06-08 | 2024-07-23 | 北京凡星光电医疗设备股份有限公司 | Disposable medical examination device for endoscope |
| CN112120788A (en) * | 2020-09-23 | 2020-12-25 | 安徽医科大学第一附属医院 | Small-caliber laser resectoscope and cutting method |
| WO2022062791A1 (en) * | 2020-09-23 | 2022-03-31 | 安徽医科大学第一附属医院 | Small-caliber laser resectoscope |
| CN112674869A (en) * | 2020-12-22 | 2021-04-20 | 苏州大学附属第二医院 | Urethra double-operation channel bladder tumor laser monoblock excision device |
| CN113499136B (en) * | 2021-07-07 | 2023-02-24 | 苏州大学附属第二医院 | Hard endoscope externally-matched rotatable auxiliary channel |
| CN113499136A (en) * | 2021-07-07 | 2021-10-15 | 苏州大学附属第二医院 | Hard endoscope externally-matched rotatable auxiliary channel |
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