CN109498148A - A kind of cutting device - Google Patents

Abstract

The invention discloses a kind of cutting devices, comprising: epitheca, epitheca are equipped with the first water inlet being connected with the first accommodating chamber and water sucking mouth；Manipulator's component comprising a manipulation pipe and a cutting ring are manipulated configured with the second water inlet being connected with the second accommodating chamber on pipe, and cutting ring can be moved relative to manipulation pipe along its length direction by bindiny mechanism；Scope, scope are suitable in mating connection with manipulation pipe；Collector unit, including bottle body portion and the suction line and draft tube that are plugged to inside storage chamber, and suction line is connected with water sucking mouth, and draft tube lower end is equipped with filter screen；Controller includes at least an effluent pipe mouth and absorbs nozzle, and wherein effluent pipe mouth is connected with the first water inlet, the second water inlet, absorbs nozzle and is connected with draft tube.The device can rationally be adjusted intravesical pressure, and clear surgical field of view is able to maintain, and convenient for sampling, reduce the probability of tumor contact normal bladder mucous membrane plantation.

Description

A kind of cutting device

Technical field

The present invention relates to field of medical device more particularly to a kind of cutting devices.

Background technique

Benign prostatic hyperplasis (benign prostatic hyperplasia, BPH) is that middle-aging male is caused to be urinated Most commonly seen a kind of benign disease in obstructive cause, the goldstandard of operative treatment is Transurethral prostatic electroresection A at present.Wing Guang tumour is China's Urology Surgery clinically one of kinds of tumor, is directed to the treatment chief surgical method of NMIBC at present as warp Urinary Bladder tumour electrocision (TURBT).

But above-mentioned operation external member (two operations are using same operation external member and instrument) only exists positive pressure water inlet, adopts more It is filled using pressure into bladder with the mode that large capacity flushing liquor height is hung, intravesical pressure is uncontrollable.For not using whole body partially Anesthetic Patients, a large amount of full even cystospasms of bladder excessive of intaking make more painful in patient's art.The hyperplasia of operation excision Prostata tissue may swim in bladder and if it exists more bleeding even clot situations such as when usually the visual field it is unclear Cause operation to be difficult to go on smoothly, needs bladder laveur to rinse and increase operating time again.For swelling in bladder tumors electric resection Swim in bladder has probability contact normal bladder mucous layer Implantation matastasis occur more after tumor excision.

Summary of the invention

The present invention is directed at least solve one of the above-mentioned problems of the prior art, a kind of cutting device, the dress are provided Intravesical pressure can rationally be adjusted by setting, be able to maintain clear surgical field of view and meanwhile avoid the occurrence of ureter reflux, Situations such as bladder high pressure, and the first time suction tumour removed or cut off is cuted out in tumour, it is viscous to reduce tumor contact normal bladder The possibility of film plantation, furthermore the device is easy to operate, structure is simple.

To achieve the goals above, the present invention provides a kind of cutting device, comprising: epitheca is configured to internal setting There is the first accommodating chamber of both ends open, and the epitheca is equipped with the first water inlet being connected with first accommodating chamber and suction The mouth of a river；Manipulator's component comprising a manipulation pipe and a cutting ring, the manipulation pipe are configured to be internally provided with both ends open The second accommodating chamber, configured with the second water inlet for being connected with second accommodating chamber, the cutting ring on the manipulation pipe Can be moved relative to the manipulation pipe along its length direction by bindiny mechanism, wherein manipulator's component be suitable for it is described First accommodating chamber matches, and manipulator's component is suitable for stretching out in the front end of the epitheca；Scope, the scope be suitable for The manipulation pipe is in mating connection；Collector unit, including bottle body portion, inside limit closed storage chamber；It is described with being plugged to Suction line and draft tube inside storage chamber, and the suction line is connected with the water sucking mouth, and the draft tube lower end Equipped with filter screen；And controller, include at least an effluent pipe mouth for pumping out the controller internal physiological salt water With the absorption nozzle for outside liquid to be sucked to the controller, wherein the effluent pipe mouth and first water inlet, institute It states the second water inlet to be connected, the absorption nozzle is connected with the draft tube.

In the technical scheme, in epitheca insertion Urinary Bladder, go deep into bladder or prostate affected area, by manipulator's component Cutting ring cutting cut bladder cancer tissues or hyperplastic prostate tissue, while by the physiological saline in controller by effluent pipe mouth point Not Jin Ru the first water inlet and the second water inlet, and respectively along the first accommodating chamber of epitheca and manipulation pipe the second accommodating chamber stream It to its front end and ejects, rinses the bladder cancer tissues or hyperplastic prostate tissue removed by cutting ring cutting, while by controlling The absorption nozzle of instrument, which generates suction, makes the front end of epitheca enter epitheca by cutting bladder cancer tissues or hyperplastic prostate tissue And it is flow to water sucking mouth along the first accommodating chamber of epitheca, then entered in bottle body portion along suction line by water sucking mouth, by cutting bladder Tumor tissues or hyperplastic prostate tissue are obstructed in bottle body portion by filter screen, and normal saline solution enters control along draft tube In instrument.The cutting device can rationally adjust intravesical pressure by the effluent pipe mouth and absorption nozzle of control controller Section, so that situations such as keeping clear surgical field of view while avoiding the occurrence of ureter reflux, bladder high pressure, also cuts out in tumour and remove or cut Tumour is sucked out in the first time removed, and reduces the possibility of tumor contact normal bladder mucous membrane plantation, and the device is easy to operate, knot Structure is simple.

In addition, cutting device according to the present invention, can also have following technical characteristic:

Further, the bindiny mechanism includes: fixed handle, is fixedly connected with the manipulation pipe, and the cutting Ring can intert the fixed handle movably forward and backward；Flexible handle is sheathed on the manipulation pipe and the cutting ring, and with The manipulation pipe is flexibly connected, and is fixedly connected with the cutting ring, wherein the flexible handle can drive the cutting ring can edge It is described manipulation pipe length direction move back and forth；And link assembly comprising first connecting rod and second connecting rod, described first First connecting pin of connecting rod and the manipulation pipe are articulated and connected, and the first connecting pin of second connection end and the second connecting rod is cut with scissors It connects in succession, the second connection end of the second connecting rod and the flexible handle are articulated and connected.

Further, the bindiny mechanism further includes a torsional spring, and the torsional spring is connected to the second company of the first connecting rod It connects between end and the first connecting pin of the second connecting rod, when the angle between the first connecting rod and the second connecting rod The torsion for reducing the second connecting rod and first connecting rod angle is generated after increase.

Preferably, the cutting ring includes: electric knife portion and the support rod that is connected with the electric knife portion, the cutting Knife portion is set to the front end of the support rod, and is electrically connected to a power source.

Preferably, the electric knife portion is formed as downwardly projecting arcuate structure.

Preferably, distance L of the front end of the manipulation pipe apart from second water inlet is greater than the length of the epitheca.

Further, the front end of the epitheca and along the axial and circumferential array of the epitheca wall setting side wall be discharged Hole.

Preferably, the cutting device further includes an inner core, and the inner core includes core portion and is set to its front end boss portion, The inner core is matched with the epitheca.

Preferably, baffle is additionally provided on the periphery wall along the epitheca.

Preferably, manipulator's component further includes a lantern ring, is arranged outer with the manipulation pipe and the cutting ring Side, and be arranged close to manipulator's component front-end edge.

A kind of cutting device according to the present invention, additional technical feature also has the following technical effect that be turned round by setting Spring can make the movement damped motion of cutting ring, can generate cutting to normal tissue to avoid since strength is larger in this way, The histoorgan of patient is caused to damage, plays the role of protection；Epitheca front end can be increased by the way that side wall apopore is arranged Flow, consequently facilitating cleaning or the absorption bladder cancer tissues or hyperplastic prostate tissue that are cut.

Detailed description of the invention

The connection structure diagram of Fig. 1 cutting device；

Fig. 2 is the structural schematic diagram of epitheca in Fig. 1；

Fig. 3 is the structural schematic diagram of manipulator's component in Fig. 1；

Fig. 4 is the A of figure to structural schematic diagram；

Fig. 5 is the structural schematic diagram of scope in Fig. 1；

Fig. 6 is the structural schematic diagram of collector unit in Fig. 1；

Fig. 7 is the structural schematic diagram of inner core；

Fig. 8 is that inner core is assemblied in the structural schematic diagram in epitheca.

In figure: cutting device 100；Epitheca 1；First accommodating chamber 11；First water inlet 12；Water sucking mouth 13；Side wall apopore 14；Baffle 15；First sealing ring 16；Manipulator's component 2；Manipulate pipe 21；Second accommodating chamber 211；Second water inlet 212；Cutting Ring 22；Support rod 221；Electric knife portion 222；Bindiny mechanism 23；Fixed handle 231；Flexible handle 232；Link assembly 233； First connecting rod 2331；Second connecting rod 2332；Lantern ring 24；Scope 3；Image end 31；Observe end 32；Second sealing ring 33；It collects single Member 4；Bottle body portion 41；Storage chamber 411；Suction line 42；Draft tube 43；Filter screen 44；Controller 5；Water inlet pipe mouth 51；Effluent pipe mouth 52；Absorb nozzle 53；Inner core 6；Core portion 61；Flange part 62；Connecting plate 63；Physiological saline supply source 7.

Specific embodiment

1 to Fig. 8 the invention will be further described with reference to the accompanying drawing.

It is described below with reference to attached drawing offer, to help to the comprehensive of various embodiments of the present invention defined by claim Understand.It includes various specific details to help the understanding, but these details should be considered as being only exemplary.Accordingly Ground, it will be appreciated by those of ordinary skill in the art that without departing substantially from the scope of the present invention as defined by appended claims In the case of, changes and improvements can be made to various embodiments described herein.In addition, for clarity and brevity, it can The description to well known function and construction can be omitted.

It will be apparent for a person skilled in the art that providing the following description to various embodiments of the present invention, it is only For purposes of explanation, rather than in order to limit the present invention as defined by appended claims.

Although each member of the invention may be described using the statement of such as " the 1st ", " the 2nd ", " first " and " second " Part, but they are not intended to limit corresponding element.For example, above-mentioned statement be not intended to the sequence for limiting corresponding element or Importance.Above-mentioned statement is for distinguishing a component and another component.

"upper", "lower", "left", "right" for mentioning in text etc. are only used for indicating relative positional relationship, when being described object After absolute position changes, then the relative positional relationship may also correspondingly change.

Terminology used in the present invention is not intended to limit this hair merely to for the purpose of describing particular embodiments It is bright.The statement of odd number includes the statement of plural number, unless there is context, the significant difference in scheme therebetween.

Unless otherwise defined, whole terms (including technical term and scientific term) used herein have and this Shen The normally understood identical meanings of those of ordinary skill institute of technical field that please be affiliated.It will also be appreciated that term (such as it is common In dictionary limit those of term), should be interpreted that have with meaning consistent in the context of related fields and this specification, and And it should not be to idealize or excessively the meaning that formalize is explained, unless clearly limit so herein.

A kind of cutting device 100 according to the present invention, as shown in Figure 1, comprising: epitheca 1, scope 3, is received manipulator's component 2 Collect unit 4 and controller 5.

Epitheca 1, as shown in Fig. 2, its first accommodating chamber 11 for being configured to be internally provided with both ends open, and the epitheca 1 is equipped with the first water inlet 12 being connected with first accommodating chamber 11 and water sucking mouth 13；Preferably, epitheca 1 can be pipe Shape structure, specifically, epitheca 1 to enter affected area by vesicourethral, and are set for being inserted into vesicourethral inside epitheca 1 The first accommodating chamber 11 is set, the other components of connection is can be convenient, keeps entire cutting device 100 more compact, beautiful；And in epitheca First water inlet 12 is set on 1 for saline injection, and is ejected by the front end of epitheca 1, so as to avoid The prostata tissue that cutting ring 22 is cut off when being cut is swum in bladder and feelings such as more bleeding even clot if it exists Usually the visual field is unclear when condition causes operation to be difficult to go on smoothly.

Manipulator's component 2, as shown in Figure 3 comprising a manipulation pipe 21 and a cutting ring 22, the manipulation pipe 21 are constructed At the second accommodating chamber 211 for being internally provided with both ends open, it is configured with and 211 phase of the second accommodating chamber on the manipulation pipe 21 Connection the second water inlet 212, the cutting ring 22 by bindiny mechanism 23 can the relatively described manipulation pipe 21 along its length side To movement, wherein manipulator's component 2 is suitable for matching with first accommodating chamber 11, and manipulator's component 2 is suitable for Stretch out in the front end of the epitheca 1；That is, manipulator's component 2 is set in the first accommodating chamber 11 of epitheca 1, for working as By epitheca 1 deeply to affected area when, cut off by prostata tissue of the manipulator's component 2 to hyperplasia, and the second water inlet 212 For saline injection, physiological saline is sprayed by the front end of manipulation pipe 21, can be cut to avoid when cutting ring 22 is cut The prostata tissue removed swim in bladder and if it exists more bleeding even clot situations such as when usually the visual field is unclear leads Operation is caused to be difficult to go on smoothly, and the second water inlet 212, which is arranged, can effectively rinse resection organization, and the visual field in operation is made Keep clear；And there is probability contact normal bladder viscous due to swimming in bladder after tumor resection in bladder tumors electric resection more There is Implantation matastasis in film layer, and setting manipulation pipe 21 can be to avoid the generation of such case.

Scope 3, as shown in figure 5, the scope 3 is suitable in mating connection with the manipulation pipe 21；Specifically, scope 3 is again Name endoscope, the observation end 32 at main camera shooting end 31 and rear end including front end, can directly observe scope 3 by observing end 32 The clear situation of goed deep into position, to facilitate the progress of cutting operation, and observation end 32 can be attached with computer instrument, It is shown on computer screen so that the image that end 31 is absorbed will be imaged, further convenient for the progress of operation.And

Collector unit 4, as shown in fig. 6, including bottle body portion 41, inside limits closed storage chamber 411；Be plugged to institute The suction line 42 and draft tube 43 inside storage chamber 411 are stated, and the suction line 42 is connected with the water sucking mouth 13, and described 43 lower end of draft tube is equipped with filter screen 44；Specifically, when cutting operation carries out, by outer while changing cutting tissue by cutting The tissue saline mixture of the formation such as the removed prostata tissue of the absorption of water sucking mouth 13 of sheath 1, and by water sucking mouth 13 along suction Enter pipe 42 to enter in bottle body portion 41, by the barrier of filter screen 44 in bottle body portion 41, saline solution enters tissue along draft tube 43 , in this way can be external by being adsorbed in vivo by the tissue of excision in controller 5, it is further to facilitate the tissue to cutting to carry out It checks.Preferably, the height of 43 lower end of draft tube be higher than 42 lower end of suction line height, can make in this way by Bottle body portion 41 is deposited in after the storage chamber 411 that the bladder cancer tissues or hyperplastic prostate tissue of cutting enter in bottle body portion 41 Bottom of bottle.

Controller 5 includes at least the effluent pipe mouth 52 and use for pumping out the 5 internal physiological salt water of controller In the absorption nozzle 53 that outside liquid is sucked to the controller 5, wherein the effluent pipe mouth 52 and first water inlet 12, Second water inlet 212 is connected, and the absorption nozzle 53 is connected with the draft tube 43；Specifically, in controller 5 One water pump and an aspirator are at least set, and wherein water pump is connected with effluent pipe mouth 52, the physiology for that will be located in controller 5 Salt water pumps out, and aspirator with absorb nozzle 53 and be connected, for will be external solution sucking controller 5 in, that is to say, that it is logical The physiological saline being located in controller 5 can be made by controller 5, epitheca 1 and receive by crossing setting water pump and aspirator in controller 5 Collection unit 4 is again introduced into controller 5.Certainly it should be pointed out that two independent cavities are at least arranged in controller 5, In one be connected with effluent pipe mouth 52 by water pump for store the physiological saline being not used by, another, which is used for storage, makes Used physiological saline is connected by aspirator with nozzle 53 is absorbed.Preferably, the cutting device 100 further includes all one's life Salt water supply source 7 is managed, is connected with the water inlet pipe mouth 51 on the controller 5, can be in this way the physiology salt in controller 5 Water is effectively and timely supplemented.

Epitheca 1 perhaps manipulator's component 2 front end be arranged a pressure sensor be used for epitheca 1 or manipulator Component enters in bladder and measures the pressure value in it, and is located at the display for being arranged on controller 5 and being connected with pressure sensor, To show pressure value measured by pressure sensor, in order to during surgery according to the actual situation by the first water inlet 12, Second water inlet 212 and water sucking mouth 13 more accurately adjust intravesical pressure, largely intake to avoid bladder it is full and Spasm, which occurs, makes patient more painful during surgery.

Due to all parts of the cutting device 100, specifically: epitheca 1, manipulator's component 2, scope 3, collector unit 4 It is detachably connected for waiting between all parts controller 5, convenient for the maintenance and maintenance in later period, and is also convenient for replacing, example Such as, in the present invention, cutting ring 22 is disposable, and this removably structure is conveniently replaceable cutting ring 22.

It is worth noting that distance L of the front end of the manipulation pipe 21 apart from second water inlet 212 is greater than outside described The length of sheath 1 can guarantee that manipulator's component 2 can stretch out epitheca 1, in this way in order to the cutting ring 22 in manipulator's component 2 Carry out cutting tissue.

Moreover, first sealing ring 16 is set in the rear end of epitheca 1, for when manipulator's component 2 is connected with epitheca 1, Epitheca 1 is located at rear end junction with manipulator's component 2 to be sealed, prevents physiological saline from entering first by the first water inlet 12 It is flowed out after in accommodating chamber 11 by the rear end of epitheca 1, i.e., physiological saline enters in the first accommodating chamber 11 rear by the first water inlet 12 It can be flowed out by its front end；Second sealing ring 33 is set on the observation end 32 of scope 3, for cooperating in scope 3 and manipulation pipe 21 When connection, scope 3 and manipulation pipe 21 are located at rear end junction and are sealed, prevent physiological saline by the second water inlet 212 into It is flowed out after entering the second accommodating chamber 211 by the rear end of manipulation pipe 21, i.e., physiological saline enters the second accommodating chamber by the second water inlet 212 It can only be flowed out by its front side after 211；In a specific embodiment of the present invention, can pass through between the first sealing ring 16 and epitheca 1 The mode of threaded connection connects, and its outside for being set in manipulation tube assembly 2 can be carried out by way of interference fit therewith Connection is epitheca 1 and manipulation 2 rear end junction of tube assembly to be sealed；Second sealing ring 33 is arranged on scope 3, with behaviour The mode that can be connected through a screw thread between keyholed back plate 21 is connected and sealed, and is located at rear end to seal scope 3 and manipulation pipe 21 and connects Meet place；Certain present invention is not restricted to this, and the first sealing ring 16, the second sealing ring 33 can also pass through other connection types It is sealed.

It is understood that epitheca 1 is inserted into Urinary Bladder, go deep into bladder or prostate affected area, by manipulator's component 2 Cutting ring 22 cut bladder cancer tissues or hyperplastic prostate tissue, while by the physiological saline in controller 5 by outlet pipe Mouth 52 respectively enters the first water inlet 12 and the second water inlet 212, and manages respectively along the first accommodating chamber 11 of epitheca 1 and manipulation 21 the second accommodating chamber 211 flow to its front end and ejects, and rinses the bladder cancer tissues cut off by cutting ring 22 or forefront Gland hyperplastic tissue, at the same by the absorption nozzle 53 of controller 5 generate suction make epitheca 1 front end by cutting bladder cancer tissues Or hyperplastic prostate tissue enters epitheca 1 and flow to water sucking mouth 13 along the first accommodating chamber 11 of epitheca 1, then by 13 edge of water sucking mouth Suction line 42 enter in bottle body portion 41, obstructed by filter screen 44 in bottle by cutting bladder cancer tissues or hyperplastic prostate tissue In body portion 41, normal saline solution enters in controller 5 along draft tube 43.The cutting device 100 crosses going out for control controller 5 Hose nozzle 52 and absorption nozzle 53 can rationally be adjusted intravesical pressure, to keep clear surgical field of view while keep away Exempt from situations such as ureter reflux, bladder high pressure occur, the first time suction tumour removed or cut off also is cuted out in tumour, reduces tumour The possibility of normal bladder mucous membrane plantation is contacted, and the device is easy to operate, structure is simple.

In one embodiment of the invention, as shown in figure 3, the bindiny mechanism 23 includes: fixed handle 231, with The manipulation pipe 21 is fixedly connected, and the cutting ring 22 can intert the fixed handle 231 movably forward and backward；Flexible handle 232, it is sheathed on the manipulation pipe 21 and the cutting ring 22, and be flexibly connected with the manipulation pipe 21, with the cutting Ring 22 is fixedly connected, wherein the flexible handle 232 can drive the cutting ring 22 can be along the length side of the manipulation pipe 21 To moving back and forth；And link assembly 233 comprising first connecting rod 2331 and second connecting rod 2332, the first connecting rod 2331 The first connecting pin and the manipulation pipe 21 articulated connection, the first connecting pin of second connection end and the second connecting rod 2332 Articulated connection, the second connection end of the second connecting rod 2332 and the flexible handle 232 are articulated and connected；In short, fixed handle Hand 231, flexible handle 232 are sheathed on manipulation pipe 21 and cutting ring 22, and fixed handle 231 and manipulation pipe 21 are fixed, living Dynamic handle 232 and cutting ring 22 are fixed；Between fixed handle 231 and cutting ring 22 can opposite sliding, i.e. cutting ring 22 can be with Alongst it is moved forward and backward, it can opposite sliding between flexible handle 232 and manipulation pipe 21；For example, in manipulation, it can be with Fixed handle 231 is held by hand, is moved forward and backward by thumb manipulation activities handle 232, thus what drive was connected with flexible handle 232 Cutting ring 22 is moved forward and backward.

Further, the bindiny mechanism 23 further includes a torsional spring (not shown), and the torsional spring is connected to described Between the second connection end of one connecting rod 2331 and the first connecting pin of the second connecting rod 2332, to work as the first connecting rod Angle between 2331 and the second connecting rod 2332 generates after increasing presss from both sides the second connecting rod 2332 with first connecting rod 2331 The torsion that angle reduces can be such that first connecting rod 2331 and second connecting rod 2332 closes each other under the action of torsional spring by the way that torsional spring is arranged It closes and collapses, when needing to carry out cutting, push monkey wrench to travel forward, so that cutting ring 22 is right in the case where overcoming resistance Bladder cancer tissues or hyperplastic prostate tissue are cut；The movement of cutting ring 22 can be made to damp fortune by the way that torsional spring is arranged It is dynamic, cutting can be generated to normal tissue to avoid since strength is larger in this way, the histoorgan of patient is caused to damage, is played The effect of protection.

In a specific embodiment of the invention, such as Fig. 3, as shown in figure 4, the cutting ring 22 includes: electric knife Portion 222 and the support rod 221 being connected with the electric knife portion 222, the electric knife portion 222 are set to the support rod 221 Front end, and be electrically connected to a power source, specifically, support rod 221 is symmetrically set in the two sides in electric knife portion 222, and the cutting Knife portion 222 is formed as downwardly projecting arcuate structure, can be convenient cutting ring 22 in this way and carries out cutting bladder cancer tissues or preceding Lie Xian hyperplastic tissue；More specifically, cutting ring 22 is connected with cutting instrument, and power supply is arranged in cutting instrument, and passes through cutting The watt level of the adjustable cutting ring 22 of instrument, and a cutting switch pedal is set between electric knife portion 222 and cutting instrument, It is set on the ground near operating table, controls the on-off of cutting ring 22 by trampling with cutting switch pedal is unclamped, tramples Cutting switch pedal can make electric knife portion 222 be powered in order to cut prostata tissue, and setting cutting switch pedal can be so as to Cutting ring 22 is operated in medical staff.

Further, as shown in Fig. 2, the front end of the epitheca 1 and along the axial and circumferential array of 1 wall of epitheca Side wall apopore 14 is set；Specifically, the flow of 1 front end of epitheca can be increased by the way that side wall apopore 14 is arranged, thus just In bladder cancer tissues or hyperplastic prostate tissue that cleaning or absorption are cut, and 3 visual field of scope is not will cause not Clearly.

Preferably, as shown in Figure 7, Figure 8, the cutting device further includes an inner core 6, and the inner core 6 includes core portion 61 With set on its front end boss portion 62, the inner core 6 is matched with the epitheca 1；Specifically, the rear end of the core portion 61 is set There is a connecting plate 63, and the outer diameter of the connecting plate 63 is greater than the outer warp of the core portion 61, it, first will be when carrying out cutting operation Epitheca 1 is assembled together with inner core 6, and the flange part 62 of inner core 6 is made to stretch out in the front end of the epitheca 1, and is located at core portion 61 The connecting plate 63 of rear end, which supports, to be stopped on the rear end of epitheca 1, its grafting is entered urine by the form combined with inner core 6 of epitheca 1 Then road bladder pulls out inner core 6, manipulator's component 2 is mounted in the first accommodating chamber 11 of epitheca 1, and to tumor of bladder Tissue or hyperplastic prostate tissue carry out cutting.Since the front end boss portion 62 of inner core 6 is arc surfaced structure, inserted by epitheca 1 Reduce during tapping into Urinary Bladder and the tissue of patient is damaged, plays the role of protection to patient.

Preferably, as shown in Fig. 2, baffle 15 is additionally provided on periphery wall along the epitheca 1, to insert by epitheca 1 When entering urethra, only the pervious epitheca 1 of baffle 15 enters urethra, and the later epitheca 1 of baffle 15 is arranged at urethral orifice, and Baffle 15 is arranged to operate the insertion of epitheca 1 convenient for operator.

Preferably, as shown in figure 3, manipulator's component 2 further includes a lantern ring 24, be arranged with the manipulation pipe 21 with The outside of the cutting ring 22, and close to 2 front-end edge of manipulator's component be arranged, specifically, manipulation pipe 21 can with lantern ring 24 it Between be fixedly connected by fastener, cutting ring 22 can be moved forward and backward relative to lantern ring 24, manipulator's component 2 front end be arranged set Ring 24 can keep the depth of parallelism of manipulation pipe 21 and cutting ring 22, to guarantee that cutting ring 22 moves accurate in the course of surgery Property.

The above is only exemplary embodiment of the invention, protection scope and is not intended to limit the present invention, this hair Bright protection scope is determined by the attached claims.

It will be appreciated by persons skilled in the art that each feature in the multiple embodiments of the invention being outlined above It can correspondingly save, add or combine in any way.Also, those skilled in the art it is conceivable that simple transformation side Formula and the scheme that adaptability and functional Structural Transformation are made to the prior art, belong to protection scope of the present invention.

Although the present invention has shown and described by reference to various embodiments, it should be understood by those skilled in the art that It is various changes in form and details can wherein to be made, without departing from this hair as defined by appended claims Bright range.

Claims (10)

1. a kind of cutting device characterized by comprising

Epitheca (1) is configured to be internally provided with the first accommodating chamber (11) of both ends open, and the epitheca (1) is equipped with The first water inlet (12) being connected with first accommodating chamber (11) and water sucking mouth (13)；

Manipulator's component (2) comprising a manipulation pipe (21) and a cutting ring (22), the manipulation pipe (21) are configured to inside It is provided with the second accommodating chamber (211) of both ends open, is configured with and the second accommodating chamber (211) phase on the manipulation pipe (21) The second water inlet (212) of connection, the cutting ring (22) by bindiny mechanism (23) can relatively the manipulation manage (21) along Its length direction is mobile, wherein manipulator's component (2) is suitable for matching with first accommodating chamber (11), and the behaviour Make the front end that hand component (2) are suitable for stretching out in the epitheca (1)；

Scope (3), the scope (3) are suitable in mating connection with manipulation pipe (21)；

Collector unit (4), including bottle body portion (41), inside limit closed storage chamber (411)；Be plugged to the storage chamber (411) internal suction line (42) and draft tube (43), and the suction line (42) is connected with the water sucking mouth (13), and institute Draft tube (43) lower end is stated equipped with filter screen (44)；And

Controller (5), include at least one for the effluent pipe mouth (52) that pumps out the controller (5) internal physiological salt water and For outside liquid to be sucked to the absorption nozzle (53) of the controller (5), wherein the effluent pipe mouth (52) and described first Water inlet (12), second water inlet (212) are connected, and the absorption nozzle (53) is connected with the draft tube (43).

2. cutting device according to claim 1, which is characterized in that the bindiny mechanism (23) includes:

Fixed handle (231) are fixedly connected with manipulation pipe (21), and the cutting ring (22) can intert movably forward and backward The fixed handle (231)；

Flexible handle (232) is sheathed on the manipulation pipe (21) and the cutting ring (22), and manages (21) with the manipulation It is flexibly connected, is fixedly connected with the cutting ring (22), wherein the flexible handle (232) can drive the cutting ring (22) It can move back and forth along the length direction of the manipulation pipe (21)；And

Link assembly (233) comprising first connecting rod (2331) and second connecting rod (2332), the of the first connecting rod (2331) One connecting pin and manipulation pipe (21) articulated connection, the first connecting pin of second connection end and the second connecting rod (2332) Articulated connection, the second connection end of the second connecting rod (2332) and the flexible handle (232) are articulated and connected.

3. cutting device according to claim 2, which is characterized in that the bindiny mechanism (23) further includes a torsional spring, institute State torsional spring be connected to the first connecting rod (2331) second connection end and the second connecting rod (2332) the first connecting pin it Between, with when between the first connecting rod (2331) and the second connecting rod (2332) angle increase after generate make described second The torsion that connecting rod (2332) and first connecting rod (2331) angle reduce.

4. cutting device according to claim 1, which is characterized in that the cutting ring (22) includes: electric knife portion (222) The support rod (221) being connected with the electric knife portion (222), the electric knife portion (222) are set to the support rod (221) front end, and be electrically connected to a power source.

5. cutting device according to claim 4, which is characterized in that the electric knife portion (222) is formed as downwardly projecting Arcuate structure.

6. cutting device according to claim 1, which is characterized in that the front end of the manipulation pipe (21) is apart from described second The distance L of water inlet (212) is greater than the length of the epitheca (1).

7. cutting device according to claim 1, which is characterized in that the front end of the epitheca (1) and along described outer Side wall apopore (14) are arranged in the axial and circumferential array of sheath (1) wall.

8. cutting device according to claim 1, which is characterized in that the cutting device (100) further includes an inner core (6), the inner core (6) includes core portion (61) and is set to its front end boss portion (62), the inner core (6) and the epitheca (1) It matches.

9. cutting device according to claim 1, which is characterized in that be additionally provided on the periphery wall along the epitheca (1) Baffle (15).

10. cutting device according to claim 1, which is characterized in that manipulator's component (2) further includes a lantern ring (24), it is arranged the outside with the manipulation pipe (21) and the cutting ring (22), and is set close to manipulator's component (2) front-end edge It sets.