CN105748127B - A kind of diaphragm type body cavity obstruction appliance - Google Patents
A kind of diaphragm type body cavity obstruction appliance Download PDFInfo
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- CN105748127B CN105748127B CN201610268497.4A CN201610268497A CN105748127B CN 105748127 B CN105748127 B CN 105748127B CN 201610268497 A CN201610268497 A CN 201610268497A CN 105748127 B CN105748127 B CN 105748127B
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- inner core
- film
- handle
- body cavity
- diaphragm type
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12027—Type of occlusion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12099—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12099—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder
- A61B17/12109—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B2017/12004—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for haemostasis, for prevention of bleeding
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22031—Gripping instruments, e.g. forceps, for removing or smashing calculi
- A61B2017/22035—Gripping instruments, e.g. forceps, for removing or smashing calculi for retrieving or repositioning foreign objects
Abstract
The present invention relates to a kind of diaphragm type body cavity obstruction appliance, are equipped with handle, Guan Bing, moulding silk, film and inner core;The moulding silk both ends are separately fixed at pipe handle distally and on inner core;It is linear type that shape under the film readiness, which is at least one side, other sides are the face of polygon, zhou duicheng tuxing or irregular shape that straight line or curve form, the a line being wherein of a straight line type has several through-holes along sideline direction on film, the inner core is passed through out of through-hole, another side opposite with the linear type side of film is wrapped up and is fixed on moulding silk, under film use state between moulding silk and inner core in the shape of a spiral.The plug shape of diaphragm type body cavity obstruction appliance of the invention can be accurately controlled, and convenient for merging body cavity, be able to achieve to block comprehensively and taken out foreign matter with disposable, and can flexibly cope with the various situations in surgical procedure.
Description
Technical field
The present invention relates to the field of medical instrument technology, specifically, being related to a kind of diaphragm type body cavity obstruction appliance.
Background technique
Body cavity obstruction appliance is that clinically one of common surgical instrument, closure and/or foreign matter for body cavity remove, such as
For positions such as urinary system, alimentary canal, blood vessel cavities.
By taking stone in urinary system as an example, stone in urinary system disease incidence is up to 5%-10%, it is seen that in kidney, bladder, ureter and
Any position of urethra is common with kidney and ureteral calculi.Ureteroscope lithotrity carries out rubble by human body natural's cavity,
Have the advantages that wound is small and rubble is definite, is one of the essential therapeutic arsenals of current ureteral calculi.However, current ureter
There is also certain deficiencies for mirror lithotrity: in 1. ureters, upper section calculus and stone debris be easy to be poured water flow or rock breaking tool
Recoil strength refunds kidney in;It is taken out 2. the intraluminal residual stone clast of ureter lacks efficiently and effectively mode.Pass through body cavity
It is to prevent ureteral calculi from being recoiled back the important means of kidney above ureteral calculi that obstruction appliance, which is blockaded, at present clinically
There are some ureter plugging devices, such calculus stops tool and also has both the function of taking out calculus under normal conditions.However these are defeated
There are still certain disadvantages in actual use for urinary catheter plugging device.Such as Chinese patent literature CN 200910057068.2, it is open
Day 2009.10.14, discloses the method and its plugging device of barrier in a kind of closure body cavity, plugging device include a seal wire,
One conduit, a plug, the plug are flat membranaceous plug, and described seal wire one end passes through conduit and plug chamber
Body, the plug distal end are fixed with seal wire, pull guidewire proximal, and the plug of expansion is axially compressed, and is formed bolt shape and is blocked
Object.It is first to hinder the plug in body cavity plugging device across body cavity using the method that plugging device blocks barrier in body cavity
Hinder object, then pull guidewire proximal, the plug of expansion is axially compressed, and bolt shape plug is formed, to carry out to barrier
It blocks.However, above-mentioned plugging device still has following defect: (1) its seal wire passes through plug cavity, and distally with plug
Fixed, being compressed axially for plug can be realized by so pulling guidewire proximal, form bolt shape plug, but the resulting envelope
The shape of stifled object is uncertain, if can block and prevent completely Incarcerated stone effect be also it is uncertain, taking stone
During have the possibility that calculus is escaped;(2) only plug distal end is fixed with seal wire, therefore in the mistake to ureter merging instrument
Cheng Zhong can cause membranaceous plug the deformation such as to be distorted because of the influence of urine, calculus etc., be not easy to surgical staff operation and quasi-
Really merging;(3) by artificially drawing seal wire can be changed bolt shape plug shape, but the bolt shape plug specifically change why
Kind of shape be it is uncontrollable, cannot flexibly cope with the various situations in surgical procedure well.
Therefore, needing a kind of plug shape can be accurately controlled, and convenient for merging body cavity, be able to achieve and block comprehensively and primary
Property take out foreign matter and can flexibly cope with the body cavity obstruction appliance of various situations in surgical procedure, but at present about such device
It has not been reported.
Summary of the invention
The purpose of the present invention is aiming at the shortcomings in the prior art, provide a kind of diaphragm type body cavity obstruction appliance.
To achieve the above object, the technical solution adopted by the present invention is that:
A kind of diaphragm type body cavity obstruction appliance, including handle, Guan Bing, film, inner core and moulding silk;The moulding silk two
End is separately fixed at pipe handle distally and on inner core;It is straight line that shape under the film readiness, which is at least one side,
Type, other sides are the face of polygon or zhou duicheng tuxing that straight line or curve form, wherein a line being of a straight line type is along sideline
Direction has several through-holes on film, and the inner core is passed through out of through-hole, another side opposite with the linear type side of film
It wraps up and is fixed on moulding silk, under the film use state between moulding silk and inner core in the shape of a spiral.
It is smaller than distal diameter to the consistent helical form of distal diameter, proximal diameter in proximal end under the film use state
Helical form, the proximal diameter helical form bigger than distal diameter, proximally and distally the diameter helical form smaller than middle section diameter
Or the proximally and distally diameter helical form bigger than middle section diameter.
The moulding silk proximal end is fixed on pipe handle distal tip, and moulding silk distal end is fixed on the nearly distal tip of inner core
On section.
When use state, the spiral number of turns that the film is formed are greater than 1 circle.
The spiral number of turns that the film is formed are 1.5-3.5 circle.
The handle is equipped with limit sliding chutes, is equipped with push handle in the limit sliding chutes;The inner core proximal end insertion
It is intracavitary in the installing pipe of handle, and inner core is mutually fixed with handle;The pipe sleeve is connected to the outside of inner core, the insertion of pipe handle proximal end
It is intracavitary in the installing pipe of handle and mutually fixed with push handle.
The push handle is equipped with push handle pushing block, slider bar is equipped with below the push handle pushing block, below the slider bar
Both side edges be respectively provided with the push handle limiting section an of arc, the lower edge of each push handle limiting section is respectively equipped with push handle limited block again;
The pipe handle proximal end is equipped with limiting slot;The push handle limited block is embedded in limiting slot, and the push handle limiting section attaches
In the back side of pipe handle.
The handle proximate end end face is equipped with limited cover;The limited cover is equipped with limited cover rear cover, the limit
Lid rear cover inner wall is equipped with inner core fixed groove;The inner core proximal end is equipped with the fixed ball of inner core;The fixed ball of the inner core
It is matched with inner core fixed groove so that inner core is mutually fixed with handle.
The limited cover inner wall is equipped with limited cover and installs tooth, and the handle proximate end is equipped with limited cover mounting hole, described
Limited cover installation tooth be inserted in limited cover mounting hole.
The inner core distal end is equipped with flexible end.
Along the extending direction of the moulding silk, the radial dimension of the moulding silk is variation or the moulding silk
Hardness is variation.
The invention has the advantages that:
1, diaphragm type body cavity obstruction appliance of the invention, can form the helical form plug of determining shape, the plug
Shape be controllable, therefore convenient for merging body cavity, not will push body cavity foreign matter drive in the wrong direction and cause body lumen wall to damage, can be comprehensive
It blocks, disposably takes out foreign matter, and can flexibly cope with the various situations being likely to occur in surgical procedure.
2, the inner core is to pass through out of film through-hole, therefore the contact surface of inner core and film is small, between the two
Frictional force is small, convenient for the manipulation film of patient accurately and quickly to obtain ideal shape.
3, the radial dimension of moulding silk, which can be gradual change or moulding silk hardness, to be gradual change, so as to reality
The forming process of existing precision control tool spiral, to meet the requirement under different service conditions to plug shape.
4, in the present invention, handle, limited cover, push handle, the design of the structure of pipe handle and inner core have all ensured that the shape energy of film
It is enough artificially accurately to be controlled.
5, the spiral number of turns setting that the film is formed rationally, can reach very in terms of being placed in difficulty, taking stone
Good balance has significant advantage in clinical use.
6, diaphragm type body cavity obstruction appliance of the invention is compact-sized, and preparation process is easily achieved.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of the diaphragm type body cavity obstruction appliance readiness of embodiment 1.
Attached drawing 2 is the structural schematic diagram of handle.
Attached drawing 3 is the structural schematic diagram of push handle.
Attached drawing 4A is the main view of limited cover.
Attached drawing 4B is the C-C cross-sectional view of Fig. 4 A.
Attached drawing 4C is the right view of limited cover.
Attached drawing 5 is the structural schematic diagram of pipe handle and inner core.
Attached drawing 6 is the structural schematic diagram of the diaphragm type body cavity obstruction appliance use state of embodiment 1.
Attached drawing 7 is the structural schematic diagram of the diaphragm type body cavity obstruction appliance readiness of embodiment 2.
Attached drawing 8 is the structural schematic diagram of the diaphragm type body cavity obstruction appliance use state of embodiment 2.
Attached drawing 9 is the structural schematic diagram of the diaphragm type body cavity obstruction appliance readiness of embodiment 3.
Attached drawing 10 is the structural schematic diagram of the diaphragm type body cavity obstruction appliance use state of embodiment 3.
Attached drawing 11 is the structural schematic diagram of the diaphragm type body cavity obstruction appliance readiness of embodiment 4.
Attached drawing 12 is the structural schematic diagram of the diaphragm type body cavity obstruction appliance readiness of embodiment 5.
Specific embodiment
Present inventor has this field research experience abundant, can appreciate that in surgical procedure and exists or may go out
Existing fine defects, and further effectively solve, the present invention is completed on this basis.
It elaborates with reference to the accompanying drawing to specific embodiment provided by the invention.
Appended drawing reference involved in attached drawing and component part are as follows:
1. handle, 11. limited covers, 111. limited cover rear covers, 112. inner core fixed grooves, 113. limited covers installation tooth, 12.
Push handle mounting hole, 13. limit sliding chutes, 14. installation lumens, 15. limited cover mounting holes, 16. push handles, 161. push handle pushing blocks, 162.
Slider bar, 163. push handle limiting sections, 164. push handle limited blocks
2. pipe handle, 21. limiting slots
3. moulding silk
4. film, 41. through-holes
5. inner core, the fixed ball of 51. inner cores, 52. flexible ends
Embodiment 1
Referring to Figure 1, Fig. 1 is the structural schematic diagram of diaphragm type body cavity obstruction appliance readiness of the invention.Described
Diaphragm type body cavity obstruction appliance is equipped with handle 1, pipe handle 2, moulding silk 3, film 4 and inner core 5.1 proximal end of the handle dress
Equipped with limited cover 11.1 back side of handle is equipped with push handle mounting hole 12 and limit sliding chutes 13, is equipped with and pushes away in the limit sliding chutes 13
Handle 16.
Fig. 2 is referred to, Fig. 2 is the structural schematic diagram of handle.1 back side of handle is equipped with push handle mounting hole 12 and limit
Sliding slot 13, the push handle mounting hole 12 are located at the proximal end of limit sliding chutes 13 and the two mutually company of passing through.Handle 1 is equipped with proximally and distally
The installation lumen 14 to connect.1 proximal end back side of handle is set there are two limited cover mounting hole 15, two limited cover mounting holes
15 is symmetrical relative to 13 axial direction of limit sliding chutes.
Fig. 3 is referred to, Fig. 3 is the structural schematic diagram of push handle.The push handle 16 is equipped with push handle pushing block 161, and described pushes away
Slider bar 162 is equipped with below handle pushing block 161, the both side edges below the slider bar 162 are respectively provided with the push handle limit an of arc
Position portion 163, the lower edge of each push handle limiting section 163 are respectively equipped with push handle limited block 164 again, and the push handle limited block 164 is
Cylindric, short transverse is perpendicular to the plane where 161 veutro of push handle pushing block.
The main view that Fig. 4 A, Fig. 4 B, Fig. 4 C, Fig. 4 A are limited covers is referred to, Fig. 4 B is the C-C cross-sectional view of Fig. 4 A, Fig. 4 C
It is the right view of limited cover.11 proximal end of limited cover be it is closed, limited cover rear cover 111 is equipped with, after the limited cover
111 inner wall center of lid is equipped with inner core fixed groove 112.The inner wall of 11 back side of limited cover set there are two limited cover install tooth 113.
Fig. 5 is referred to, Fig. 5 is the structural schematic diagram of pipe handle and inner core.The pipe handle 2 is hollow tube, and proximal end is equipped with
The limiting slot 21 of annular.5 proximal end of inner core is equipped with the fixed ball 51 of inner core, and 5 distal end of inner core is equipped with flexible end 52, institute
The flexible end 52 stated is blunt nosed flexible structure.
When assembly (reference can be made to Fig. 1), two limited covers installation tooth 113 of the limited cover 11 is respectively inserted into handle 1
Two limited cover mounting holes 15 in so that the limited cover rear cover 111 closes the proximal face of handle 1;Described is interior
5 proximal end of core is inserted in the installation lumen 14 of handle 1, and the fixed ball 51 of inner core is assemblied in the inner core fixed groove of limited cover 11
In 112, so that inner core 5 and handle 1 are relatively fixed;The pipe handle 2 is socketed on the outside of inner core 5, and 2 proximal end of pipe handle is inserted in hand
In the installation lumen 14 of handle 1, the inner core 5 distally stretches out except 2 distal end of pipe handle;The push handle 16 is assemblied in push handle peace
It fills in hole 12, the push handle limited block 164 of push handle 16 is embedded in the limiting slot 21 of pipe handle 2, so that pipe handle 2 is relatively solid with push handle 16
Fixed, push handle limiting section 163 is attached at the back side of pipe handle 2, and slider bar 162 can move in limit sliding chutes 13, and then works as push handle 16
Pipe handle 2 can be driven to slide when mobile relative to inner core 5.
3 both ends of moulding silk are separately fixed at 2 distal end of pipe handle on inner core 5, and wherein 3 proximal end of moulding silk is fixed on pipe
2 distal tip of handle, 3 distal end of moulding silk are fixed on the section of the nearly distal tip of inner core 5.The film 4 is rectangle, wherein
The axial a line being of a straight line type has several through-holes 41 along sideline direction on film, and the through-hole 41 is in axial alignment,
The inner core 5 is passed through out of each through-hole 41, makes the side of the through-hole side of film 4 in continuous sine wave shape, film 4 with it is interior
Core 5 can opposite sliding;It wraps up and is fixed on moulding silk 3 in another side opposite with the linear type side of film 4.
In use, first push handle 16 is proximally pulled, so that moulding silk 3 is straightened, the as readiness of instrument, so as to
Pipe sheath by instrument along endoscopic working channel or suitable dimension is placed in body cavity above foreign matter;Instrument in place after, to distal end
Push handle 16 is pushed, so that moulding silk 3 opens, and film 4 is strutted simultaneously, continues to press on push handle 16 after film 4 struts completely, by
Continue to do compression movement along axial direction in restriction effect and moulding silk 3 of the film 4 to moulding silk 3, last moulding silk 3 is along inner core 5
Spiral shape is formed, and film 4 helically overlaps shape and is arranged between inner core 5 and moulding silk 3, as the use shape of instrument
State (being the structural schematic diagram of diaphragm type body cavity obstruction appliance use state of the invention referring to Fig. 6, Fig. 6).
It should be noted that the other end is distal end herein, it is specified that instrument handle end is proximal end." back side " is device
Towards the side of surface when tool use state, towards the side of underface when " veutro " is instrument use state.
In the present invention, the structure of the moulding silk 3 and film 4 is designed so that the shape for being formed by plug is definite
And it is controllable, the advantage is that: the shape can mutually agree with body cavity in a first aspect, being capable of forming the spiral shape of rule,
It there is no gap, realizes and blocks completely, foreign matter is effectively prevent to escape or incarceration;Second aspect, in the mistake to body cavity merging instrument
Cheng Zhong, due to moulding silk 3 and film 4 be it is fixed, film 4 is not susceptible to distort being influenced by water flow, foreign matter etc.
Deformation, controllability is strong, convenient for being placed in and preventing foreign matter from shifting;The third aspect, the shape of the film 4 is always in the list of tiling
It opens and changes between film and helical form, other distortions will not be generated, therefore encounter some special circumstances such as foreign matter in the course of surgery
Incarceration etc. artificially can accurately manipulate push handle 16 and be solved the problems, such as with changing the shape of film 4 as needed.4 shape of film
At spiral number of turns be greater than 1 circle, preferably 1.5-3.5 circle, such multi-layer spiral film can be formed definitely in body cavity
Blocking effect, when filling the water into body cavity, due to the effect of blocking effect, water flow will sweep along foreign matter clast to below body cavity
Movement, the above specification can get good foreign body effect, and maintain better simply construction, and the shape of film 4 preferably controls,
It is the experience that inventor summarizes for a long time in clinic, is not construed as this field conventional selection.The inner core 5 is from film 4
Through-hole 41 in pass through, therefore inner core 5 and the contact surface of film 4 are small, and frictional force between the two is small, accurately and fast convenient for patient
The manipulation film 4 of speed is to obtain ideal shape.
The structure design of the limited cover 11 and limited cover mounting hole 15 ensure that the two can stablize fixation.Described is interior
The structure design of core fixed groove 112 and the fixed ball 51 of inner core ensure that handle 1 and inner core 5 can stablize fixation.The push handle
16 push handle limiting section 163, the back side of push handle limited block 164 and pipe handle 2 and limiting slot 21 match, and structure is simple, and
It can ensure that pipe handle 2 and push handle 16 are stablized to fix.The above structure design makes the compact-sized of instrument of the present invention, and further really
The shape for having protected film 4 artificially can be controlled accurately.
The moulding silk 3 can be made of materials such as metal, high molecular materials;The film 4 can by silica gel, PU,
The homogenous materials such as TPU, PTFE, ePTFE, PGA or composite material are made or textile structural film is made;The film 4 coats modeling
The method of shape silk 3 is available but is not limited to sew, the techniques such as heat seal, ultrasonic welding, bonding, pressing, injection molding, leaching modeling.
By taking ureteral calculi takes out as an example, the application method of diaphragm type body cavity obstruction appliance of the invention is as follows: ureter
When mirror lithotrity, endoscopic working channel is formed, endoscope is placed in, dismantles the factory of diaphragm type body cavity obstruction appliance of the invention
Packaging holds handle 1, proximally pulls push handle 16, film 4 is pulled into the readiness of instrument;By the flexible end 52 of inner core 5
It is inserted into endoscopic working channel, gets around calculus and reaches above calculus, then push push handle 16 to push into film 4 to distal end
Helical form, that is, instrument use state is allowed to tightly be bonded realization closure completely with ureter wall;Then pass through endoscope on one side
Service aisle is filled the water to ureter, proximally drags diaphragm type body cavity obstruction appliance of the invention on one side, rubble is in continuous water
It is swept along under stream impact to bladder direction and is moved, finally dragged to bladder.In operating process, the meaning of Incarcerated stone such as occurs
Outer situation can adjust push handle 16 in time to adjust 4 shape of film and alleviate problem, and can be in due course according to patient ureter's week diameter
The outer peripheral diameter of film 4 is adjusted to realize tight fitting and not cause to damage to ureter wall.
Diaphragm type body cavity obstruction appliance shape of the invention artificially can be controlled accurately, be may be easily placed into body cavity, will not be pushed away
Dynamic foreign matter drives in the wrong direction and body lumen wall is caused to damage, and can adjust in due course shape to block body cavity completely, and foreign matter is effectively prevent to be poured
In water flow refunds kidney, the case where being not susceptible to foreign matter incarceration, drags foreign matter process and is unlikely to deform and rubs body lumen wall, can be disposable
Whole foreign matters are taken out, quickly and efficiently.
Diaphragm type body cavity obstruction appliance of the invention can be used for the closure of body cavity and foreign matter removes, including but not limited to following
Using: for the closure and removal of ureteral calculi, for the closure and removal of kidney stone, the closure and removal of vascular thrombosis,
Blood vessel puncture blocks hemostasis, the closure of body cavity foreign matter and the processing for removing foreign matter in such as tracheae, alimentary canal.
Embodiment 2
The diaphragm type body cavity obstruction appliance of the present embodiment is essentially identical with embodiment 1, the difference is that only film 4
Shape.Fig. 7 is referred to, Fig. 7 is the structural schematic diagram of the diaphragm type body cavity obstruction appliance readiness of embodiment 2, and described is thin
Film 4 is quadrangle, wherein the axial a line being of a straight line type has several through-holes, the through-hole along sideline direction on film
In axial alignment, the inner core 5 is passed through out of each through-hole, and film 4 and inner core 5 can opposite slidings;With the linear type of film 4
The opposite another side in side is wrapped up and is fixed on moulding silk 3, and the side length of its proximal leg under readiness of film 4 is small
In the side length of distal edge.Fig. 8 is referred to, Fig. 8 is the structural representation of the diaphragm type body cavity obstruction appliance use state of embodiment 2
Scheme, the film 4 helically overlaps shape and is arranged between inner core 5 and moulding silk 3 under use state, and spiral helicine film 4
The diameter of proximal end is smaller than the diameter of distal end.
Embodiment 3
The diaphragm type body cavity obstruction appliance of the present embodiment is essentially identical with embodiment 1, the difference is that only film 4
Shape.Fig. 9 is referred to, Fig. 9 is the structural schematic diagram of the diaphragm type body cavity obstruction appliance readiness of embodiment 3, and described is thin
Film 4 is quadrangle, wherein the axial a line being of a straight line type has several through-holes, the through-hole along sideline direction on film
In axial alignment, the inner core 5 is passed through out of each through-hole, and film 4 and inner core 5 can opposite slidings;With the linear type of film 4
The opposite another side in side is wrapped up and is fixed on moulding silk 3, and this side is arc under readiness.Referring to Figure 10,
Figure 10 is the structural schematic diagram of the diaphragm type body cavity obstruction appliance use state of embodiment 3, the film 4 under use state
It helically overlaps shape to be arranged between inner core 5 and moulding silk 3, and the diameter of spiral helicine film 4 proximally and distally compares middle part
The diameter divided is small.
Embodiment 4
The diaphragm type body cavity obstruction appliance of the present embodiment is essentially identical with embodiment 1, the difference is that only film 4
Shape.1, Figure 11 is the structural schematic diagram of the diaphragm type body cavity obstruction appliance preparation use state of embodiment 4, institute referring to Figure 1
The film 4 stated is quadrangle, wherein the axial a line being of a straight line type has several through-holes along sideline direction on film, it is described
Through-hole be in axial alignment, the inner core 5 passes through out of each through-hole, and film 4 and inner core 5 can opposite slidings;With film 4
The opposite another side in linear type side is wrapped up and is fixed on moulding silk 3, the film 4 its proximal leg under readiness
Side length is greater than the side length of distal edge.Film 4 helically overlaps shape under the diaphragm type body cavity obstruction appliance use state of the present embodiment
It is arranged between inner core 5 and moulding silk 3, and the diameter of 4 proximal end of spiral helicine film is bigger than the diameter of distal end.
Embodiment 5
The diaphragm type body cavity obstruction appliance of the present embodiment is essentially identical with embodiment 1, the difference is that only film 4
Shape.2, Figure 12 is the structural schematic diagram of the diaphragm type body cavity obstruction appliance preparation use state of embodiment 5, institute referring to Figure 1
The film 4 stated is quadrangle, wherein the axial a line being of a straight line type has several through-holes along sideline direction on film, it is described
Through-hole be in axial alignment, the inner core 5 passes through out of each through-hole, and film 4 and inner core 5 can opposite slidings;With film 4
The opposite another side in linear type side is wrapped up and is fixed on moulding silk 3, and this side is waveform under readiness, specifically
Ground, including respectively close to two wave crests proximally and distally and being located in the middle a trough.The diaphragm type body of the present embodiment
Film 4 helically overlaps shape and is arranged between inner core 5 and moulding silk 3 under chamber obstruction appliance use state, and spiral helicine film 4
Diameter proximally and distally is bigger than the diameter of middle section.
It is to those skilled in the art, attached in conjunction with common sense and specification of the invention for above-described embodiment 1-5
Figure, it will be understood that " rectangle " and " quadrangle " is not limited in geometric concept, and each side of these shapes is simultaneously
It does not require be proper line segment, as long as it is required specific spiral-shaped to guarantee that film 4 is formed.It is described
Film readiness under shape can at least one side to be linear type, other sides are straight line or curve form it is more
The face of side shape or zhou duicheng tuxing, the above shape are feasible.The diaphragm type body cavity obstruction appliance of the above various embodiments makes
With the spiral shape of energy formation rule equal under state, realizes and block completely, and its shape artificially can be controlled accurately.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, under the premise of not departing from the method for the present invention, can also make several improvement and supplement, these are improved and supplement also should be regarded as
Protection scope of the present invention.
Claims (11)
1. a kind of diaphragm type body cavity obstruction appliance, which is characterized in that including handle, Guan Bing, film, inner core and moulding silk;It is described
Moulding silk both ends be separately fixed at pipe handle distal end and on inner core;Shape under the film readiness is at least one
Side is linear type, other sides are the face of polygon or zhou duicheng tuxing that straight line or curve form, wherein be of a straight line type one
Edge sideline direction has several through-holes on film, and the inner core is passed through out of through-hole, opposite with the linear type side of film
Another side wrap up and be fixed on moulding silk, under the film use state between moulding silk and inner core helically
Shape, makes the side with the through-hole side of the film in continuous sine wave shape, and the film is opposite with the inner core sliding
It is dynamic, to adjust the outer peripheral diameter of the film.
2. diaphragm type body cavity obstruction appliance according to claim 1, which is characterized in that be under the film use state
Proximal end is bigger than distal diameter to the consistent helical form of distal diameter, the proximal diameter helical form smaller than distal diameter, proximal diameter
Helical form, proximally and distally the diameter helical form smaller than middle section diameter or proximally and distally diameter than middle section diameter
Big helical form.
3. diaphragm type body cavity obstruction appliance according to claim 1, which is characterized in that the moulding silk proximal end is fixed on
Pipe handle distal tip, moulding silk distal end are fixed on the section of nearly distal tip of inner core.
4. diaphragm type body cavity obstruction appliance according to claim 1, which is characterized in that when use state, the film
The spiral number of turns of formation are greater than 1 circle.
5. diaphragm type body cavity obstruction appliance according to claim 4, which is characterized in that the spiral coil that the film is formed
Number is that 1.5-3.5 is enclosed.
6. diaphragm type body cavity obstruction appliance according to claim 1, which is characterized in that the handle is equipped with limit and slides
Slot is equipped with push handle in the limit sliding chutes;The installing pipe that the inner core proximal end is inserted in handle is intracavitary, and inner core and hand
Handle is mutually fixed;The pipe sleeve is connected to the outside of inner core, pipe handle proximal end be inserted in handle installing pipe it is intracavitary and with push handle phase
It is fixed.
7. diaphragm type body cavity obstruction appliance according to claim 6, which is characterized in that the push handle is pushed away equipped with push handle
Block, the push handle pushing block lower section are equipped with slider bar, and the both side edges below the slider bar are respectively provided with the push handle of an arc
The lower edge of limiting section, each push handle limiting section is respectively equipped with push handle limited block again;The pipe handle proximal end is equipped with limiting slot;It is described
Push handle limited block be embedded in limiting slot, the push handle limiting section is attached at the back side of pipe handle.
8. diaphragm type body cavity obstruction appliance according to claim 1, which is characterized in that set on the handle proximate end end face
There is limited cover;The limited cover is equipped with limited cover rear cover, and the limited cover rear cover inner wall is equipped with inner core fixed groove;It is described
Inner core proximal end be equipped with the fixed ball of inner core;The inner core fixes ball and inner core fixed groove matches so that inner core and hand
Handle is mutually fixed.
9. diaphragm type body cavity obstruction appliance according to claim 8, which is characterized in that the limited cover inner wall is equipped with limit
Position lid installation tooth, the handle proximate end are equipped with limited cover mounting hole, and the limited cover installation tooth is inserted in limited cover installation
In hole.
10. diaphragm type body cavity obstruction appliance according to claim 1, which is characterized in that the inner core distal end is equipped with soft
Property end.
11. diaphragm type body cavity obstruction appliance according to claim 1, which is characterized in that along the extension of the moulding silk
Direction, the radial dimension of the moulding silk be variation or the moulding silk hardness be variation.
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CN201610268497.4A CN105748127B (en) | 2016-04-27 | 2016-04-27 | A kind of diaphragm type body cavity obstruction appliance |
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CN106955136B (en) * | 2017-05-09 | 2023-08-11 | 吴健强 | A plugging device for body cavity |
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CN1671330A (en) * | 2002-07-31 | 2005-09-21 | 微温森公司 | Three-part coaxial vaso-occlusive device |
CN101554343A (en) * | 2009-04-14 | 2009-10-14 | 上海英诺伟医疗器械有限公司 | Method for blocking up obstacle in coelom and blocking device thereof |
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Application publication date: 20160713 Assignee: Minimally invasive best medical technology (Shanghai) Co., Ltd. Assignor: Army Medical Univ. No.2, Chinese PLA Contract record no.: 2017310000061 Denomination of invention: Diaphragm type body cavity blocking equipment License type: Exclusive License Record date: 20171128 |
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