CN106473848A - Prostate bracket - Google Patents
Prostate bracket Download PDFInfo
- Publication number
- CN106473848A CN106473848A CN201510546850.6A CN201510546850A CN106473848A CN 106473848 A CN106473848 A CN 106473848A CN 201510546850 A CN201510546850 A CN 201510546850A CN 106473848 A CN106473848 A CN 106473848A
- Authority
- CN
- China
- Prior art keywords
- memorial alloy
- prostate
- tube body
- trocar sheath
- inner tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 210000002307 prostate Anatomy 0.000 title claims abstract description 75
- 239000000956 alloy Substances 0.000 claims abstract description 123
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 122
- 239000011248 coating agent Substances 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 241000233866 Fungi Species 0.000 claims description 25
- 238000001816 cooling Methods 0.000 claims description 14
- 238000000338 in vitro Methods 0.000 claims description 6
- 239000002826 coolant Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 229910001000 nickel titanium Inorganic materials 0.000 claims description 5
- 238000005253 cladding Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 210000003708 urethra Anatomy 0.000 abstract description 16
- 206010020718 hyperplasia Diseases 0.000 abstract description 7
- 206010020880 Hypertrophy Diseases 0.000 abstract description 6
- 206010004446 Benign prostatic hyperplasia Diseases 0.000 abstract description 5
- 208000004403 Prostatic Hyperplasia Diseases 0.000 abstract description 5
- 208000028867 ischemia Diseases 0.000 abstract description 3
- 230000017074 necrotic cell death Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 210000002700 urine Anatomy 0.000 description 3
- 238000005273 aeration Methods 0.000 description 2
- 206010013990 dysuria Diseases 0.000 description 2
- 230000027939 micturition Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 230000000916 dilatatory effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 235000006694 eating habits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 230000000762 glandular Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002062 proliferating effect Effects 0.000 description 1
- 201000007094 prostatitis Diseases 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Surgical Instruments (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
A kind of prostate bracket, be set to including：The interior tube body of the relative slide anteroposterior of mutually nested and energy and trocar sheath, and the memorial alloy of both junctions, this junction corresponds at the human prostate's urethra after support is inserted；Memorial alloy first end is fixed on interior tube body, with trocar sheath on interior tube body slide anteroposterior, the second end of this memorial alloy drives memorial alloy to be in and strut or compressive state.When support is inserted, memorial alloy integral coating on interior tube body, in compressive deformation state；After inserting human urethra, operate trocar sheath, make memorial alloy be in softened state, the memorial alloy that this struts is due at prostate-urethra, thus can burst prostatic hyperplasia part；Support people's intracorporeal indwelling for a period of time after, each hypertrophy lobe of rupture can the necrosis because of ischemia, this can fundamentally solve the problems, such as prostate hyperplasia.
Description
Technical field
The present invention relates to technical field of medical instruments, more particularly, to a kind of prostate bracket.
Background technology
Prostate hyperplasia, one's early years, regular incidence was in old people.In recent years, add with people's work sitting often
Dietary habit change, prostate hyperplasia also more and more often occurs in middle age, even with youngster.
Prostate, due to hypertrophy, extrudes urethra, can cause dysuria, calculus of urethra etc. also can be caused to ask
Topic, brings misery to patient.
For solving the above problems, in prior art, typically pass through prostate branches are installed at prostate hyperplasia
Frame, with dilating urethra, solves the problems, such as dysuria.But this support is placed in human body for a long time, first occurs
Displacement problem, causes to take out this support difficulty, before second above-mentioned prostate bracket cannot fundamentally solve
Row gland hypertrophy problem, after a period of time, patient needs Stent Implantation again.
In view of this, the present invention provides a kind of new prostate bracket, will not shift, and can be fundamentally
Solve the problems, such as prostate hyperplasia.
Content of the invention
The problem that the present invention solves is how to provide one kind will not shift, and can fundamentally solve prostate
Loose prostate bracket.
For solving the above problems, the present invention provides a kind of prostate bracket, including：Mutually nested inner tube
Body and trocar sheath, have urethral catheterization passage in said inner tube body, front end has catheterizing port, described catheterizing port with
Described urethral catheterization passage communicates；Described trocar sheath can relative said inner tube body slide anteroposterior；
Also include：Memorial alloy, the segment section of cladding said inner tube body, it is arranged on said inner tube body with outward
The junction of sleeve pipe, described memorial alloy has relative two ends, and wherein, first end is fixed on described interior
On body, the second end is in the corresponding described memorial alloy of described trocar sheath slide anteroposterior and struts or compress shape
State, the described memorial alloy strutting corresponds at prostate-urethra.
Alternatively, the described memorial alloy in softened state is in middle part lantern-shaped big, small in ends.
Alternatively, the second end of described memorial alloy is movably located at said inner tube body and described trocar sheath
Between.
Alternatively, the memorial alloy of described lantern-shaped includes the first ring body positioned at first end, is located at second
Second ring body at end, and it is connected to some spokes between the first ring body and the second ring body, described spoke
Number is more than or equal to 3.
Alternatively, the memorial alloy of described lantern-shaped includes the first ring body positioned at first end, is located at second
Second ring body at end, and it is connected to the network structure between the first ring body and the second ring body, described netted knot
The width of mesh of structure is variable.
Alternatively, the second end of described memorial alloy is fixedly connected with the front end of described trocar sheath.
Alternatively, the memorial alloy of described lantern-shaped includes the first ring body positioned at first end, and connects
Some spokes between the first ring body and trocar sheath front end, the number of described spoke is more than or equal to 3.
Alternatively, the memorial alloy of described lantern-shaped includes the first ring body positioned at first end, and connects
Network structure between the first ring body and trocar sheath front end, described cancellated width of mesh is variable.
Alternatively, said inner tube has positive stop in vitro, the second end with the memorial alloy of softened state
Against for keeping described memorial alloy to be in softened state.
Alternatively, said inner tube has spacing preiection in vitro, with the front end of described trocar sheath against being used for
Described memorial alloy is kept to be in compressive state.
Alternatively, the front portion of said inner tube body is provided with air bag, after described memorial alloy is located at described air bag,
There is in said inner tube body inflation/deflation passage, described air bag is communicated with described inflation/deflation passage, described urethral catheterization
Mouth is for being opened in the aperture of the urethral catheterization channel side wall before described air bag.
Alternatively, said inner tube body front end is gill fungus shape structure, and described memorial alloy is located at described gill fungus shape structure
Afterwards, described catheterizing port is the gap between each skeleton of described gill fungus shape structure.
Alternatively, also there is in said inner tube body cooling passage, the opening of described cooling passage is located at
At described memorial alloy, the memorial alloy of described softened state, under the cooling of coolant, is changed into coating institute
State the compressive state of interior tube body.
Alternatively, the material of described memorial alloy is NiTi.
Compared with prior art, technical scheme has advantages below：1) prostate branches are set up
It is set to including mutually nested and the energy interior tube body of slide anteroposterior and trocar sheath relatively, and both junctions
Memorial alloy, this junction corresponds at the human prostate's urethra after support is inserted；Memorial alloy first end
It is fixed on interior tube body, slide anteroposterior, the second end drive of this memorial alloy on interior tube body with trocar sheath
Memorial alloy is in and struts or compressive state.When support is inserted, memorial alloy integral coating on interior tube body,
In compressive deformation state；After inserting human urethra, operate trocar sheath, make memorial alloy be in softened state,
The memorial alloy that this struts is due at prostate-urethra, thus can burst prostatic hyperplasia part；?
Frame people's intracorporeal indwelling for a period of time after, each hypertrophy lobe of rupture can the necrosis because of ischemia, this can be from basic
Upper solve the problems, such as prostate hyperplasia.During indwelling, because memorial alloy is in strut stress, because
And prostate bracket is not easy to shift.
2), in alternative, the memorial alloy of softened state is in middle part lantern-shaped big, small in ends.Relatively
In the tubular structure at middle part, the equal size in two ends, this lantern-shaped two ends internal diameter size can be external with inner tube
Footpath is identical or bigger, and lantern-shaped two ends, middle part are smooth connection in addition, insert human body beneficial to compressive state
Or pull out human body.
3), in alternative, the second end of described memorial alloy can be solid with a) front end with described trocar sheath
Fixed connection, or b) be movably located between said inner tube body and described trocar sheath.For a) scheme,
Send into forward trocar sheath along interior tube body, you can make memorial alloy be in softened state；Pull back along interior tube body
Go out trocar sheath, you can make memorial alloy be in compressive state；For b) scheme, pull back along interior tube body
Trocar sheath, memorial alloy progressively disengages to the body part near the second end near the body part of first end
The constraint of trocar sheath, restoring to the original state in the presence of natural resiliency restoring force is in softened state；Along interior tube body
Send into forward trocar sheath, memorial alloy gradually can be received to the body part near first end from the second end again
Enter between trocar sheath and interior tube body.
4) in alternative, for 3) memorial alloy of lantern-shaped in alternative a) scheme, can
With a1) the first ring body of including positioned at first end, and be connected between the first ring body and trocar sheath front end
Some spokes, the number of described spoke is more than or equal to 3；Or a2) the first ring of including positioned at first end
Body, and it is connected to the network structure between the first ring body and trocar sheath front end, described cancellated mesh
Size is variable.For 3) memorial alloy of lantern-shaped in alternative b) scheme, can be with b1) include
Positioned at first end the first ring body, be located at second ring body at the second end, and be connected to the first ring body and the
Some spokes between two ring bodies, the number of described spoke is more than or equal to 3；Or b2) include positioned at first
First ring body at end, second ring body at the second end, and it is connected to the net between the first ring body and the second ring body
Shape structure, described cancellated width of mesh is variable.A1), a2), b1) and the b2) note in scheme
Recall alloy, in softened state, all can burst prostatic hyperplasia part, in compressive state, all can be close to interior
Outside body, support is facilitated to insert human body or pull out human body.
5) in alternative, for 3) alternative, said inner tube has positive stop in vitro, with support
Second end of the memorial alloy of open state is against for keeping described memorial alloy to be in softened state.Should
Second end of memorial alloy and positive stop against when, corresponding memorial alloy completely or nearly recovers former just
The state of shape.
6) in alternative, for 3) alternative, said inner tube has spacing preiection in vitro, with institute
The front end stating trocar sheath is against for keeping described memorial alloy to be in compressive state.For 3) optional side
A) scheme in case, because the front end of trocar sheath is fixedly connected with the second end of memorial alloy, thus this limit
Position is raised can be with the second end of memorial alloy against being strutted under restoring force effect with limiting memorial alloy.
When memorial alloy need to strut, trocar sheath is sent into forward, and projection is crossed at this second end, and now, projection loses
Spacing to memorial alloy second end.For 3) b in alternative) scheme, this spacing preiection is permissible
Served as by the ring body positioned at memorial alloy first end.
7) in alternative, the front portion of said inner tube body is provided with air bag, and described memorial alloy is located at described
After air bag, there is in said inner tube body inflation/deflation passage, described air bag is communicated with described inflation/deflation passage,
Described catheterizing port is the aperture of the urethral catheterization channel side wall before being opened in described air bag.Prostate bracket is being inserted
After human urethra, by inflation/deflation passage to airbag aeration or injection liquid, after sealing inflation/deflation passage
So that air bag is hung on intravesical, prostate bracket does not fall out at end.
8) in alternative, said inner tube body front end is gill fungus shape structure, and described memorial alloy is located at described gill fungus
After shape structure, described catheterizing port is the gap between each skeleton of described gill fungus shape structure.With 7) alternative
In air bag different, adopt gill fungus shape structure in this programme, that is, mushroom-head shape structure is hung on intravesical.Should
Gill fungus shape structure has multiple skeletons, and end, the other end and urethral catheterization channel side are collected for one in the plurality of skeleton one end
Wall connects.When prostate bracket need to insert human body, it is inwardly inserted into a tinsel from urethral catheterization channel end, top
That lives gill fungus shape structure collects end, namely interior tube body is foremost, and each for gill fungus shape structure skeleton is stretched to straight-bar
Shape, after tinsel is extracted out, each skeleton of this gill fungus shape structure recovers to original state, in gill fungus under elastic restoring force
Shape.Gap between each skeleton of gill fungus shape structure due to urethral catheterization channel connection, thus urethral catheterization can be served as
Mouthful, with respect to 7) catheterizing port in scheme, the catheterizing port in this programme is larger, unobstructed micturition, can avoid
Urine is accumulated between catheterizing port and air bag.
9) in alternative, also there is in said inner tube body cooling passage, the opening of cooling passage is straight
Connect at memorial alloy, the memorial alloy of described softened state, under the cooling of coolant, is changed into coating
The compressive state of said inner tube body.As can be seen that except 3) enumerate in alternative by pulling out
A in trocar sheath (corresponding 3) alternative) scheme) or to send into forward trocar sheath (corresponding 3) optional
B in scheme) scheme), this programme also provides a kind of memorial alloy making to strut to return the side of compressive state
Case, is selected by memorial alloy material, for example, NiTi, arranges cooling passage in inner tube body,
The memorial alloy strutting is made to be changed into coating the compressive state of interior tube body, afterwards, outward under the cooling of coolant
Sleeve pipe slides the b being taken in trocar sheath in (corresponding 3) alternative further along) scheme).
Brief description
Fig. 1 is prostate bracket in one embodiment of the invention initial conditions after inserting human urethra
Cross-sectional view；
Fig. 2 is the structural representation in free state for the memorial alloy in Fig. 1；
Fig. 3 is prostate bracket in Fig. 1 cross-sectional view after rotating an angle vertically；
Fig. 4 is the cross-sectional view that prostate bracket in Fig. 1 is in indwelling state；
Fig. 5 is the cross-sectional view that the prostate bracket corresponding in Fig. 3 is in indwelling state；
Fig. 6 is the prostate bracket being in indwelling state in another embodiment of the present invention in human urethra
Cross-sectional view；
Fig. 7 is prostate bracket in further embodiment of this invention initial conditions after inserting human urethra
Cross-sectional view；
Fig. 8 is prostate bracket in Fig. 7 cross-sectional view after rotating an angle vertically；
Fig. 9 is the cross-sectional view that prostate bracket in Fig. 7 is in indwelling state；
Figure 10 is the cross-sectional view that the prostate bracket corresponding in Fig. 8 is in indwelling state；
Figure 11 be Fig. 9 with Figure 10 in memorial alloy and trocar sheath structural representation；
Figure 12 is the cross-sectional view of the prostate bracket in yet another embodiment of the invention.
Specific embodiment
The present invention inserts memorial alloy using at prostatic hyperplasia position, and this memorial alloy is in elastic restoring force
In the presence of strut and proliferative fraction can be burst, after a period of time, each hypertrophy lobe of this rupture can be due to lacking
Blood and downright bad, thus prostate bracket take out after, urethra will not be extruded again.
Understandable for enabling the above objects, features and advantages of the present invention to become apparent from, below in conjunction with the accompanying drawings
The specific embodiment of the present invention is described in detail.
Fig. 1 is prostate bracket in one embodiment of the invention initial conditions after inserting human urethra
Cross-sectional view；Fig. 2 is the structural representation in free state for the memorial alloy in Fig. 1；Fig. 3
It is prostate bracket in Fig. 1 cross-sectional view after rotating an angle vertically.
Referring to each ingredient shown in Fig. 1 to Fig. 3, introducing prostate bracket first.
This prostate bracket includes：
Mutually nested interior tube body 1 and trocar sheath 2, have urethral catheterization passage 11, interior tube body 1 in interior tube body 1
Front end there is catheterizing port 12, catheterizing port 12 is communicated with urethral catheterization passage 11；Trocar sheath 2 can relative inner tube
Body 1 slide anteroposterior；
And memorial alloy 3, the segment section of cladding interior tube body 1, it is arranged on interior tube body 1 and trocar sheath 2
Junction, memorial alloy 3 has relative two ends, and wherein, first end is fixed on interior tube body 1, the
Two ends are in the corresponding memorial alloy 3 of trocar sheath 2 slide anteroposterior and strut or compressive state, the memory strutting
At the corresponding prostate-urethra of alloy 3.
Below it is specifically introduced.
Firstly the need of explanation, in the present invention, " front " it is suitable to insert human body corresponding to prostate bracket
This end, " afterwards " is suitable to indwelling this end outside human body corresponding to support.
With reference to shown in Fig. 1 and Fig. 3, in the interior tube body 1 in the present embodiment, also there is inflation/deflation passage 13,
The front portion of interior tube body 1 is provided with air bag 14, and air bag 14 enclosed around interior tube body 1 outer Monday, air bag 14 with
Inflation/deflation passage 13 communicates.Outside interior tube body 1 after air bag 14 for the memorial alloy 3.
With reference to shown in Fig. 2, the memorial alloy 3 in the present embodiment include the first ring body 31 positioned at first end,
Positioned at second ring body 32 at the second end, and it is connected to some between the first ring body 31 and the second ring body 32
Spoke 33, the number of this spoke 33 is 3, in specific implementation process, the number of this spoke 33
Can be more than the other numbers in 3.Many spokes 33 are preferably with the longitudinal center line of interior tube body 1 etc.
Angle is distributed.For example in Fig. 2, in three spokes 33, in the axial direction of adjacent spoke 33 and interior tube body 1
120 degree of angles are become between heart line.Additionally, in other embodiments, some spokes 33 can also the company of replacing with
It is connected on the network structure between the first ring body 31 and the second ring body 32, this cancellated mesh for example may be used
To be formed by the hinged metal segments of four head and the tail.It is under compressive state, this four metal segments are compressed laminating
Together, mesh is less；It is in free state, this four metal segments are in the effect of natural resiliency restoring force
Under strut formation rhombus, mesh is larger.
The Partial Height of the first ring body 31 can be embedded in interior tube body 1, with the first end to memorial alloy 3
It is fixed.
As can be seen that the memorial alloy 3 in Fig. 1 and Fig. 3 is in compressive state.It is in compressive state
The spoke 33 of memorial alloy 3, the second ring body 32 are located between interior tube body 1 and trocar sheath 2.
With reference to shown in Fig. 1 and Fig. 3, in the front end of trocar sheath 2, it is provided with baffle plate 21, baffle plate 21 and first
Ring body 31 is against making memorial alloy 3 be maintained at compressive state.
Fig. 4 is the cross-sectional view that the prostate bracket corresponding in Fig. 1 is in indwelling state；Fig. 5
It is the cross-sectional view that the prostate bracket corresponding in Fig. 3 is in indwelling state.
With reference to shown in Fig. 4, in the present embodiment, slide backward with trocar sheath 2, trocar sheath 2 gradually loses
Constraint to spoke 33, spoke 33 drives the second ring body 32 forward in the presence of natural resiliency restoring force
Motion.In other words, the second end of memorial alloy 3 be movably be located at interior tube body 1 and trocar sheath 2 it
Between.
With reference to shown in Fig. 5, outside the interior tube body 1 after air bag 14, be provided with positive stop 15, trocar sheath 2 to
Outer extraction, the second ring body 32 moves forward to when being resisted against on positive stop 15, and this position is prostate
The use state of support.In specific implementation process, the set location of this positive stop 15 meets：Second
The lucky completely or nearly restorable state of ring body 32 corresponding memorial alloy 3 against which.
Then introduce each operational phase of this prostate bracket successively.
The feeding stage：Trocar sheath 2 be pushed forward into baffle plate 21 be resisted against in the first ring body 31 when, keep
Air bag 14 is in flat state, and prostate bracket is sent into human urethra, after interior tube body 1 front end enters bladder,
Feeding process terminates.
Aeration phase：By inflation/deflation passage 13, air bag 14 is inflated, after sealing inflation/deflation passage 13
So that air bag 14 is hung on intravesical, as shown in Figures 1 and 3, prostate bracket does not fall out at end.
It should be noted that in other embodiments, can also be strutted by injecting liquid in air bag 14,
Now, liquid injects yet by inflation/deflation passage 13.
Memorial alloy struts the stage：With reference to shown in Fig. 4, extracting trocar sheath 2 out backward so that memorial alloy 3
Spoke 33 from the first ring body 31 to the second ring body 32 gradually be located at trocar sheath 2, this is not by trocar sheath
The spoke 33 of 2 constraints will restore to the original state in the presence of elastic restoring force, thus is in softened state.
With reference to shown in Fig. 5, when trocar sheath 2 is drawn to the second ring body 32 and is resisted against on positive stop 15,
The spoke 33 of memorial alloy 3 is in complete softened state.The memorial alloy 3 being in complete softened state is right
Answer at prostate-urethra, prostatic hyperplasia part can be burst.
In the present embodiment, annular in shape positioned at the first ring body 31 of memorial alloy 3 first end, that is, head and the tail close,
In other embodiments or discontinuous each section, partly individual or all each section in each section connects one
Spoke 33, every section of Partial Height is embedded in interior tube body 1, to realize each section of the first ring body 31 in interior tube body
Fixation on 3.Each section of the first ring body 31 encloses an annular.
The indwelling stage：The prostate bracket of state one section of indwelling in human urethra as shown in figs. 4 and 5
Time, such as, after 5 to 7 days, each hypertrophy lobe of rupture can be downright bad because of ischemia, and this can fundamentally solve
Certainly prostate hyperplasia problem.
During indwelling, with reference to shown in Fig. 4 and Fig. 5, the urine in human bladder pass through support front end,
The catheterizing port 12 being opened in urethral catheterization passage 11 side wall excretes.
Pull out the stage：Trocar sheath 2 forward slip, the memorial alloy strutting 3 is taken in trocar sheath 2,
Until taking in state completely shown in Fig. 1 and Fig. 3.During this, due to middle part big, small in ends in lamp
Caged memorial alloy 3 deformation smooth and continuous, thus can gradually reduce and be received with trocar sheath 2 forward slip
Enter.In other embodiments, the memorial alloy 3 strutting can also be in middle part, the cylinder of two ends size equalization
Shape.
In one embodiment, the material of this memorial alloy 3 can be NiTi, rustless steel etc..
Afterwards, open the rear end of inflation/deflation passage 13, air bag 14 is exitted, by prostate bracket from people
Pull out in body.
In another embodiment, with reference to shown in Fig. 6, interior tube body 1 front end is gill fungus shape structure 16, memorial alloy
After 3 are located at gill fungus shape structure 16, catheterizing port 12 is the gap between each skeleton of gill fungus shape structure 16.
Specifically, this gill fungus shape structure 16 has multiple skeletons 161, and the plurality of skeleton 161 one end is a remittance
Total end, the other end is connected with urethral catheterization passage 11 side wall.When prostate bracket need to insert human body, lead to from urethral catheterization
Road 11 end is inwardly inserted into a tinsel, withstands the end of collecting of gill fungus shape structure 16, namely interior tube body 1
Foremost, each skeleton 161 of gill fungus shape structure 16 is stretched to direct rod shape, after tinsel is extracted out, this gill fungus shape
Each skeleton 161 of structure 16 recovers to original state under elastic restoring force effect, in gill fungus shape.Gill fungus shape structure 16
Each skeleton 161 between gap due to connecting with urethral catheterization passage 11, thus catheterizing port 12 can be served as,
With respect to the catheterizing port 12 in Fig. 4, the catheterizing port 12 in this programme is larger, and unobstructed micturition can avoid again
Urine is accumulated between catheterizing port 12 and air bag 14.
Fig. 7 is prostate bracket in further embodiment of this invention initial conditions after inserting human urethra
Cross-sectional view；Fig. 8 is prostate bracket the cuing open after rotating an angle vertically in Fig. 7
Face structural representation；Fig. 9 is the cross-sectional view that prostate bracket in Fig. 7 is in indwelling state；
Figure 10 is the cross-sectional view that the prostate bracket corresponding in Fig. 8 is in indwelling state；Figure 11 is
Memorial alloy in Fig. 9 and Figure 10 and the structural representation of trocar sheath.
It can be seen that the prostate bracket in the present embodiment is extremely schemed with Fig. 1 shown in reference Fig. 7 to Figure 11
Prostate bracket in 5 embodiments is roughly the same, except for the difference that, the second end of memorial alloy 3 and trocar sheath
2 are fixedly connected.Specifically, spoke 33 second end is fixedly connected with the baffle plate 21 of trocar sheath 2.
Correspondingly, each operational phase of the prostate bracket in the present embodiment and the prostatitis shown in Fig. 1 to Fig. 5
The difference of rami glandulares frame is：
With reference to shown in Fig. 8, for the stage of feeding：It is provided with spacing preiection 17, this is spacing outside interior tube body 1
Projection 17 and baffle plate 21 are against restriction trocar sheath 2 travels forward, and makes memorial alloy 3 be maintained at compression
State, as shown in Figure 7.
Stage is strutted for memorial alloy：Send into forward trocar sheath 2, after this baffle plate 21 crosses raised 17,
Projection 17 loses spacing to baffle plate 21.
In specific implementation process, insert the human comfort during human body for raising prostate bracket,
This spacing preiection 17 preferred smooth is raised.
With reference to shown in Figure 10, baffle plate 21 travels forward, until when being resisted against on positive stop 15, memory
The spoke 33 of alloy 3 is in complete softened state, as shown in Figure 9.
For the stage of pulling out, trocar sheath 2 slides backward, and the memorial alloy strutting 3 is stretched to compression shape
State, after now baffle plate 21 is located at spacing preiection 17, as illustrated in figs. 7 and 8.
In other embodiments, spoke 33 can also replace with the variable network structure of width of mesh, that is, netted
Second end of structure is fixedly connected with trocar sheath 2 front end.Additionally, except the first ring body 31, spoke 33,
Memorial alloy 3 can also include the second ring body 32 positioned at the second end, and the second ring body 32 is solid with baffle plate 21
Fixed connection, is fixedly connected with trocar sheath 2 with the second end realizing memorial alloy 3.
In another embodiment, with reference to shown in Figure 12, cooling passage 18 is set in interior tube body 1.This reality
Apply in example, this cooling passage 18 opening is located at memorial alloy 3, is particularly located at spoke 33 or netted
At structure.Cooling passage 18 setting effect is：The rough continuous memorial alloy for some deformation
3, need to extract out from human body in prostate bracket, the memorial alloy 3 strutting need to compress receipts to interior tube body 1 with outward
When between sleeve pipe 2, by memorial alloy 3 material select, for example, NiTi, compress to the cold, recover to
Cladding interior tube body 1 periphery.Now, memorial alloy 3 second end is fixedly connected with trocar sheath 2 front end
Situation, directly prostate bracket is extracted out in human body；For memorial alloy 3 second end movably
Situation between interior tube body 1 and trocar sheath 2, memorial alloy 3 is taken in by trocar sheath 2 forward slip
In trocar sheath 2, then prostate bracket is extracted out in human body.Certainly, for the note of deformation smooth and continuous
Recall alloy 3, as long as material can be compressed to the cold, it would however also be possible to employ above-mentioned cooling passage 18 injects coolant
Mode realize compress.
Although present disclosure is as above, the present invention is not limited to this.Any those skilled in the art,
Without departing from the spirit and scope of the present invention, all can make various changes or modifications, therefore the guarantor of the present invention
Shield scope should be defined by claim limited range.
Claims (14)
1. a kind of prostate bracket is it is characterised in that include：Mutually nested interior tube body and trocar sheath, described
There is in inner tube body urethral catheterization passage, front end has catheterizing port, described catheterizing port and described urethral catheterization passage phase
Logical；Described trocar sheath can relative said inner tube body slide anteroposterior；
Also include：Memorial alloy, the segment section of cladding said inner tube body, it is arranged on said inner tube body with outward
The junction of sleeve pipe, described memorial alloy has relative two ends, and wherein, first end is fixed on described interior
On body, the second end is in the corresponding described memorial alloy of described trocar sheath slide anteroposterior and struts or compress shape
State, the described memorial alloy strutting corresponds at prostate-urethra.
2. prostate bracket according to claim 1 is it is characterised in that the described memorial alloy that struts is in
Middle part lantern-shaped big, small in ends.
3. prostate bracket according to claim 2 is it is characterised in that the second end of described memorial alloy
Movably it is located between said inner tube body and described trocar sheath.
4. prostate bracket according to claim 3 is it is characterised in that the memorial alloy of described lantern-shaped
Including the first ring body positioned at first end, the second ring body positioned at the second end, and it is connected to the first ring
Some spokes between body and the second ring body, the number of described spoke is more than or equal to 3.
5. prostate bracket according to claim 3 is it is characterised in that the memorial alloy of described lantern-shaped
Including the first ring body positioned at first end, the second ring body positioned at the second end, and it is connected to the first ring
Network structure between body and the second ring body, described cancellated width of mesh is variable.
6. prostate bracket according to claim 2 is it is characterised in that the second end of described memorial alloy
It is fixedly connected with the front end of described trocar sheath.
7. prostate bracket according to claim 6 is it is characterised in that the memorial alloy of described lantern-shaped
Including the first ring body positioned at first end, and it is connected to some between the first ring body and trocar sheath front end
Spoke, the number of described spoke is more than or equal to 3.
8. prostate bracket according to claim 6 is it is characterised in that the memorial alloy of described lantern-shaped
Including the first ring body positioned at first end, and it is connected to netted between the first ring body and trocar sheath front end
Structure, described cancellated width of mesh is variable.
9. the prostate bracket according to claim 3 or 6 is it is characterised in that said inner tube has in vitro
Positive stop, with the second end of the memorial alloy of softened state against for keeping described memorial alloy
It is in softened state.
10. the prostate bracket according to claim 3 or 6 is it is characterised in that said inner tube has in vitro
Spacing preiection, with the front end of described trocar sheath against for keeping described memorial alloy to be in compression shape
State.
11. prostate brackets according to claim 1 are it is characterised in that the anterior of said inner tube body is arranged
There is air bag, after described memorial alloy is located at described air bag, there is in said inner tube body inflation/deflation passage,
Described air bag is communicated with described inflation/deflation passage, and described catheterizing port is the urethral catheterization before being opened in described air bag
The aperture of channel side wall.
12. prostate brackets according to claim 1 are it is characterised in that said inner tube body front end is gill fungus shape
Structure, after described memorial alloy is located at described gill fungus shape structure, described catheterizing port is described gill fungus shape structure
Gap between each skeleton.
13. prostate brackets according to claim 1 are it is characterised in that also have cold in said inner tube body
But liquid passage, the opening of described cooling passage is located at described memorial alloy, described softened state
Memorial alloy, under the cooling of coolant, is changed into coating the compressive state of said inner tube body.
14. prostate brackets according to claim 1 are it is characterised in that the material of described memorial alloy is
NiTi.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510546850.6A CN106473848B (en) | 2015-08-31 | 2015-08-31 | Prostate bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510546850.6A CN106473848B (en) | 2015-08-31 | 2015-08-31 | Prostate bracket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106473848A true CN106473848A (en) | 2017-03-08 |
| CN106473848B CN106473848B (en) | 2018-09-11 |
Family
ID=58235408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510546850.6A Active CN106473848B (en) | 2015-08-31 | 2015-08-31 | Prostate bracket |
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| Country | Link |
|---|---|
| CN (1) | CN106473848B (en) |
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| CN108652795A (en) * | 2017-03-30 | 2018-10-16 | 上海圣博艾医疗科技有限公司 | Surgical instrument for treating hypertrophy of the prostate |
| CN109758278A (en) * | 2019-01-27 | 2019-05-17 | 乐畅医疗器械(上海)有限公司 | A kind of self-expanding nasal sinus bracket and its fetching device |
| CN110799237A (en) * | 2017-05-05 | 2020-02-14 | 意能生技股份有限公司 | Implantable devices and methods for treating Benign Prostatic Hyperplasia (BPH) and associated Lower Urinary Tract Symptoms (LUTS) |
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| CN110799237A (en) * | 2017-05-05 | 2020-02-14 | 意能生技股份有限公司 | Implantable devices and methods for treating Benign Prostatic Hyperplasia (BPH) and associated Lower Urinary Tract Symptoms (LUTS) |
| CN109758278A (en) * | 2019-01-27 | 2019-05-17 | 乐畅医疗器械(上海)有限公司 | A kind of self-expanding nasal sinus bracket and its fetching device |
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| Publication number | Publication date |
|---|---|
| CN106473848B (en) | 2018-09-11 |
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Effective date of registration: 20190627 Address after: Room 1206A, Building A, 3000 Longdong Avenue, China (Shanghai) Free Trade Pilot Area, Pudong New Area, Shanghai, 201203 Patentee after: SHANGHAI RAYKEEN LASER TECHNOLOGY CO.,LTD. Address before: Room 8310, 3 storeys, 8 blocks 600 and 612, Lincang Street, Zhujing Town, Jinshan District, Shanghai, 201599 Patentee before: SHANGHAI SHENGBOAI MEDICAL TECHNOLOGY Co.,Ltd. |
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Application publication date: 20170308 Assignee: Tianjin jinruihongxiang Technology Co.,Ltd. Assignor: SHANGHAI RAYKEEN LASER TECHNOLOGY CO.,LTD. Contract record no.: X2020310000002 Denomination of invention: Therapeutic prostate stent Granted publication date: 20180911 License type: Common License Record date: 20200309 |
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Application publication date: 20170308 Assignee: Jiangsu Dingshi Machinery Manufacturing Co.,Ltd. Assignor: SHANGHAI RAYKEEN LASER TECHNOLOGY CO.,LTD. Contract record no.: X2022310000147 Denomination of invention: Prostate stent Granted publication date: 20180911 License type: Common License Record date: 20221008 |
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Assignee: Jiangsu Dingshi Machinery Manufacturing Co.,Ltd. Assignor: SHANGHAI RAYKEEN LASER TECHNOLOGY CO.,LTD. Contract record no.: X2022310000147 Date of cancellation: 20240412 |