The content of the invention
The purpose of the present invention is to overcome the deficiencies in the prior art, there is provided cyst fluid is worn under a kind of bionical laparoscope of leech
Pressure reducing sleeve is pierced, liquid tumour decompression drainage is used in laparoscopic surgery, utilizes the bionical attraction of the leech with Ring like suction disc mouth
Bobbin seal is adsorbed in tumour outer wall, and tumour is punctured and drained from attraction cannula cavity, easy to operate, had both been avoided that and has been worn
Cyst fluid outflow contaminated operation is wild during thorn decompression, and and can reduces the clear water flushing work amount after cyst excision, simple in construction, safely may be used
Lean on.
According to technical scheme provided by the invention, cyst fluid puncture decompression sleeve pipe includes under a kind of bionical laparoscope of leech
It is hollow to attract sleeve pipe and activity to be nested with the puncture inner core of the hard in the attraction sleeve pipe.The attraction sleeve pipe head end edge attracts
Cover tube wall and the annular bionical sucker of leech is set, the attraction sleeve pipe insertion tube wall major axis is buried the bionical sucker of some and leech and connected
The logical negative pressure conducting tube for being used to provide negative pressure for the bionical sucker of leech.The negative pressure conducting tube with attract sleeve pipe tube chamber every
Absolutely, the negative pressure conducting tube goes out to attract sleeve pipe afterbody tube wall to be provided for providing the negative pressure booster of negative pressure for the bionical sucker of leech
Source.It is described to attract sleeve pipe afterbody to set what is connected with attraction sleeve pipe hollow lumen to be used to connect for the attraction for attracting sleeve pipe to provide negative pressure
Mouthful.The puncture length of inner core is more hollow to attract set pipe range, and the inner core external diameter that punctures is small compared with the internal diameter of hollow attraction sleeve pipe, institute
State to puncture inner core and can be nested with and attracting to move in cannula cavity.
The bionical sucker inner ring edge part of leech sets the inner ring diaphragm seal circle of soft quality class annular.
The bionical sucker outer ring edge part of leech sets the outer ring diaphragm seal circle of soft quality class annular.
The connection of negative pressure conducting tube sets switch, for being deflated after cyst excision, the bionical sucker of the leech is taken off with tumour
From.
Negative pressure booster source include with the negative pressure conduction seal of tube connect indeformable hollow cylindrical discharge chamber, be arranged on
The pumping check valve of negative pressure conducting tube and discharge chamber connecting pipeline and with discharge chamber and the exhaust check valve of extraneous connecting pipeline.
The piston of matching is set in the discharge chamber, can be by the sky in the bionical sucker of leech when the piston moves back and forth in discharge chamber
Gas is drawn into discharge chamber and through exhaust check valve discharge discharge chamber to the external world through being evacuated check valve.
The negative pressure booster source include with the negative pressure conduction seal of tube connect elastically deformable housing, be arranged on negative pressure
The pumping check valve of conducting tube and deformable housing connecting pipeline and unidirectional with the exhaust of deformable housing and extraneous connecting pipeline
Valve.The deformable stressed shell compression simultaneously can be by the air in the bionical sucker of leech through being evacuated check valve when releasing recovery
It is drawn into deformable housing and discharges deformable housing to the external world through exhaust check valve.
The head end for puncturing inner core sets trident cutting edge, and the tail end for puncturing inner core, which is set, avoids puncture inner core from grasping by mistake
The safety cock of work.
It is provided for protruding when display punctures inner core puncture in the tail end for puncturing inner core and attracts the bionical suction of sleeve pipe head end leech
The length scale of disk length.
The attraction interface internal orifice form and dimension and the matching of injector for medical purpose liquid outlet.
Advantages of the present invention:It is used for liquid tumour decompression drainage in laparoscopic surgery, makes band using negative pressure booster source
The air that the bionical Ring like suction disc of leech of the bionical attraction sleeve pipe of leech of shape sucker mouth is intraoral is discharged, the bionical Ring like suction disc mouth of leech
Producing stronger negative pressure, closely absorption is in tumour outer wall, so that attracting sleeve pipe to become a decompression apocenosis passage sealed.
From attracting cannula cavity to puncture and drain tumour, cyst fluid outflow contaminated operation is wild when being both avoided that puncture decompression, and can
The clear water flushing work amount after cyst excision is reduced, it is easy to operate, it is simple in construction, securely and reliably.
Embodiment
With reference to specific accompanying drawing, the invention will be further described.
As shown in figure 1, cyst fluid puncture decompression sleeve pipe under the bionical laparoscope of a kind of leech, including hollow attraction sleeve pipe 1
The puncture inner core 2 of the hard in the attraction sleeve pipe 1 is nested with activity.The attraction sleeve pipe 1 head end edge attracts the tube wall of sleeve pipe 1
The bionical sucker 3 of annular leech is set, and the attraction sleeve pipe 1 penetrates tube wall major axis and buries what some suckers bionical with leech 3 connected
For providing the negative pressure conducting tube 4 of negative pressure for the bionical sucker 3 of leech.The negative pressure conducting tube 4 with attract sleeve pipe 1 tube chamber every
Absolutely, the negative pressure conducting tube 4 goes out to attract the afterbody tube wall of sleeve pipe 1 to be provided for provide the negative pressure of negative pressure to increase for the bionical sucker 3 of leech
Potential source 5.It is described to attract the afterbody of sleeve pipe 1 to set what is connected with the attraction hollow lumen of sleeve pipe 1 to be used for attract sleeve pipe 1 to provide negative pressure
Attract interface 6.The puncture length of inner core 2 is more hollow to attract sleeve pipe 1 to grow, and the puncture external diameter of inner core 2 is more hollow to attract sleeve pipe 1
Internal diameter it is small, it is described puncture inner core 2 can be nested with attract sleeve pipe 1 in intracavitary movement.
The negative pressure booster source 5 can attract the negative pressure conducting tube 4 in the tube wall of sleeve pipe 1 to be arranged on attraction set by being arranged on
The bionical sucker 3 of leech of the head end of pipe 1 provides appropriate negative pressure, the bionical sucker 3 of leech of the head end of vacuum suction sleeve pipe 1 is inhaled
It is attached on the cyst wall of tumour.Then, the hollow lumen of sleeve pipe 1 is attracted to leech by described to tumour cyst wall using puncture inner core 2
Tumour wall in bionical sucker 3 is punctured, and is extracted after the completion of puncture and is punctured inner core 2, is attracting the attraction interface of the tail end of sleeve pipe 1
6 connection Medical negative pressure connecting tubes, you can by attracting the hollow lumen of sleeve pipe 1 to carry out decompression drainage to the liquid in tumour.
The bionical inner ring edge part of sucker 3 of leech sets the inner ring diaphragm seal circle of soft quality class annular.Inner ring is set to seal
Film circle can increase the bionical sucker 3 of leech and adsorb sealing in tumour outer wall.Concrete operating principle is:Before puncturing and puncture
When, it is negative pressure that the bionical 3 annular adsorption zone of sucker of leech is interior, attracts the attraction set in the bionical inner edge of sucker 3 of leech of the head end of sleeve pipe 1
The tube chamber area of pipe 1 is atmospheric pressure, and gas or liquid liquidity preference are by 1 tube chamber of attraction sleeve pipe, the one lateral bionical annular of sucker 3 of leech
Flow suction inlet side.Under the effect of the pressure differential of tube chamber area atmospheric pressure and annular adsorption zone negative pressure, the bionical inner ring side of sucker 3 of leech
The potential gap being likely to occur between the bionical inner ring of sucker 3 of inner ring diaphragm seal circle deformation closure leech and tumour cyst wall of edge,
Gas leakage or leakage are just uprooted before not occurring still.It is noted that when attracting after the completion of puncturing liquid negative pressure in tumour, it is
Sealing between the bionical inner ring of sucker 3 of holding leech and tumour cyst wall, the negative pressure attracted liquid negative pressure in tumour should be less than
The absorption negative pressure of the bionical sucker 3 of leech, ensures that the pressure differential of both sides does not take a turn for the worse.
The bionical outer ring edge part of sucker 3 of leech sets the outer ring diaphragm seal circle of soft quality class annular, also for increasing
The bionical sucker 3 of leech is added to adsorb the sealing in tumour outer wall, principle is identical, repeats no more.
The connection of negative pressure conducting tube 4 sets switch 41, for Rapid degassing after cyst excision, makes the bionical suction of the leech
Disk 3 departs from tumour.During normal use, switch 41 is closed, and ensures the seal of negative pressure conducting tube 4.When operation is completed, it is necessary to will
The attraction sleeve pipe 1 from tumour cyst wall departs from when, open switch 41, ambient atmos through switch 41 into the bionical sucker 3 of leech, water
The pressure of the bionical sucker 3 of leech balances with ambient atmosphere, pressure difference ends between the bionical sucker 3 of leech and atmospheric pressure, and absorption is made
Firmly disappear, you can sleeve pipe 1 will be attracted to depart from from tumour cyst wall.
The attraction internal orifice form and dimension of interface 6 and the matching of injector for medical purpose liquid outlet, its clinical meaning are:Need
, can be through attracting the internal orifice of interface 6 connection syringe liquid outlet, through injection when doing pathological analysis or Bacteria Culture to the sampling of tumour cyst fluid
Device aspirates cyst fluid indwelling, further completes pathological analysis or Bacteria Culture etc..
As shown in Fig. 4 and Fig. 6, when it is implemented, the puncture inner core 2 head end setting cutting edge 20, the shape of cutting edge 20 are preferred
Trident, trident cutting edge 20 converges to be formed in the puncture top of inner core 2 punctures tip 21.Puncture the sword that tip 21 guides trident
Mouth 20 breaks the cut formed during tumour cyst wall and is not easy to close, and drainage is more unobstructed.The head end of inner core 2 is being punctured with attracting sleeve pipe
After 1 head end alignment, concordantly go out to attract 0 reference mark of the tail end opening of sleeve pipe 1 setting paracentesis depth in puncture inner core 2,
And the tail end of puncture inner core 2 after 0 scale sets length mark scale, tumour cyst wall is worn to read puncture inner core 2
Entrance depth during thorn, security when using is improved, avoid puncturing too deep.
Maloperation during in order to avoid using, safety cock is set in puncture inner core 2 tail end.The method to set up of safety cock is very
More, this document is with regard to a kind of embodiment explanation.The tail end for puncturing inner core 2 sets security card slot 23, corresponds in security card slot 23
Safe kelly 22 is set by rotating shaft.Not in use, one end protrusion of safe kelly 22 is outer in security card slot 23 and hold and inhaling
Draw the caudal end egress tube wall of sleeve pipe 1, puncture inner core 2 can not be carried out puncture procedure.When needing to puncture, it is prominent to oppress safe kelly 22
Go out one end of security card slot 23, whole safe kelly 22 is no longer held the pipe for attracting sleeve pipe 1 completely into security card slot 23
Wall, so as to carry out puncture procedure.
As shown in Fig. 2, Fig. 3 and Fig. 6, the attraction sleeve pipe 1 is hollow tube, and its head end is along cross section tube wall annular axis
The bionical sucker 3 of annular leech is set.To ensure that the bionical sucker 3 of leech adsorbs the sealing in tumour cyst wall, the leech is imitated
The width of raw sucker 3 should be less than attracting the tube wall width of sleeve pipe 1, make the bionical sucker edge of 3 one weeks of leech concordant, easy to operation
When absorption on tumour cyst wall, reduction stay apertured possibility.The material for attracting the manufacture material of sleeve pipe 1 preferably to select soft quality
Material, but the requirement of material in itself is not high, and hard material also may be used.As shown in figure 5, the bottom edge of the bionical sucker 3 of leech is inhaled
Draw the tube wall of sleeve pipe 1 and some passage negative pressure conducting tubes 4 for being used to provide negative pressure for the bionical sucker 3 of leech are set, negative pressure booster source 5 leads to
Cross negative pressure conducting tube 4 to suction out the air of the bionical sucker 3 of leech, so as to which the bionical sucker 3 of leech is adsorbed on the cyst wall of tumour.
The embodiment in negative pressure booster source 5 has many kinds, and this document illustrates with regard to two embodiments of Fig. 2 and Fig. 3:
As shown in Fig. 2 the negative pressure booster source 5 includes the indeformable open circles connected with the negative pressure conducting tube 4 sealing
Tubular discharge chamber 51, the pumping check valve 52 for being arranged on negative pressure conducting tube 4 and the connecting pipeline of discharge chamber 51 and with discharge chamber 51 and
The exhaust check valve 53 of extraneous connecting pipeline.The piston 54 of matching is set in the discharge chamber 51, and the piston 54 is in discharge chamber
The air in the bionical sucker 3 of leech can be drawn into discharge chamber 51 and through exhaust through being evacuated check valve 52 when being moved back and forth in 51
Check valve 53 discharges discharge chamber 51 to the external world.
52 unidirectional direction of the pumping check valve is circulated from negative pressure conducting tube 4 to discharge chamber 51, the exhaust check valve
53 unidirectional direction is outwardly circulated by discharge chamber 51.
The operation principle of the present embodiment is:When piston 54 is movable away from pumping check valve 52 in discharge chamber 51, exhaust
Check valve 53 is closed, and pumping check valve 52 opens, and the air pressure of discharge chamber 51 declines, in the bionical sucker 3 of leech and negative pressure conducting tube 4
Gas be aspirated into discharge chamber 51.When 54 counter motion of piston, pumping check valve 52 is closed, and exhaust check valve 53 is opened
Put, the air pressure rise of discharge chamber 51, the gas discharge of discharge chamber 51 is extraneous.In this way, piston reciprocating is movable, the bionical sucker 3 of leech
Negative pressure be established.
As shown in figure 3, the negative pressure booster source 5 includes the elastically deformable shell connected with the negative pressure conducting tube 4 sealing
Body 50, the pumping check valve 52 for being arranged on negative pressure conducting tube 4 and the deformable connecting pipeline of housing 50 and with deformable housing 50 and
The exhaust check valve 53 of extraneous connecting pipeline.The forced compression of deformable housing 50 deforms and can imitate leech when releasing recovery
Air in raw sucker 3 is drawn into deformable housing 50 through pumping check valve 52 and discharges deformable shell through exhaust check valve 53
Body 50 arrives the external world.
52 unidirectional direction of the pumping check valve is circulated from negative pressure conducting tube 4 to deformable housing 50, and the exhaust is single
To the unidirectional direction of valve 53 outwardly circulated by deformable housing 50.
Operation principle is:When deformable housing 50 is by compression, the gas pressure in deformable housing 50 is more than negative
Conducting tube 4 and the gas pressure in the external world are pressed, now, pumping check valve 52 is closed, and exhaust check valve 53 opens, deformable housing 50
Interior gas discharges the external world through exhaust check valve 53;When unclamping deformable housing 50, deformable housing 50 recovers in natural resiliency
Lower expand of effect recovers luv space, and the air pressure in deformable housing 50 diminishes, and the air pressure in deformable housing 50 is less than negative pressure
Conducting tube 4 and the gas pressure in the external world, now, in this way, exhaust check valve 53 is closed, pumping check valve 52 opens, and leech is bionical
Gas in sucker 3 and negative pressure conducting tube 4 is aspirated into deformable housing 50.And so on operate, the bionical sucker 3 of leech
Negative pressure is established.In this principle, the size of the negative pressure of the bionical sucker 3 of leech is about due to the deformable recovery of itself of housing 50
Power, the peak suction value that tension force is bigger to be reached is bigger, and the peak suction value that tension force is smaller to be reached is smaller.
Certainly, 5 adoptable embodiment of negative pressure booster source is a lot, is not repeating one by one herein.Specifically performing the operation
In, the cyst fluid in tumour need to be often sampled to carry out the subsequent surveys such as pathological diagnosis or Bacteria Culture.It is described for convenience of sampling
Attract the internal orifice form and dimension of interface 6 and the matching of injector for medical purpose liquid outlet, it is necessary to when sampling, it is only necessary to connect syringe liquid outlet
On the internal orifice of interface 6 is attracted, appropriate cyst fluid is extracted.Certainly, the sampling work best opportunity be tumour puncture cut after and
Before cyst fluid suction decompression.
In a word:The present invention is used for liquid tumour decompression drainage in laparoscopic surgery, utilizes the leech with Ring like suction disc mouth
Bionical attraction bobbin seal absorption is in tumour outer wall, from attracting cannula cavity to be punctured, sampled to tumour and decompression drainage.Behaviour
Make easy, cyst fluid outflow contaminated operation open country when being both avoided that puncture decompression, convenient sampling again, moreover it is possible to reduce clear after cyst excision
Water flushing work, it is simple in construction, securely and reliably.