CN109125891A - Expand guide - Google Patents
Expand guide Download PDFInfo
- Publication number
- CN109125891A CN109125891A CN201810869410.8A CN201810869410A CN109125891A CN 109125891 A CN109125891 A CN 109125891A CN 201810869410 A CN201810869410 A CN 201810869410A CN 109125891 A CN109125891 A CN 109125891A
- Authority
- CN
- China
- Prior art keywords
- expansion
- guide
- item
- sliding sleeve
- guide seat
- 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
Links
- 238000002627 tracheal intubation Methods 0.000 abstract description 10
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 229920001971 elastomer Polymers 0.000 description 5
- 210000003708 urethra Anatomy 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000806 elastomer Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 210000002784 stomach Anatomy 0.000 description 3
- 210000001519 tissue Anatomy 0.000 description 3
- 208000031481 Pathologic Constriction Diseases 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000036262 stenosis Effects 0.000 description 2
- 208000037804 stenosis Diseases 0.000 description 2
- 210000003932 urinary bladder Anatomy 0.000 description 2
- 206010004446 Benign prostatic hyperplasia Diseases 0.000 description 1
- 208000034656 Contusions Diseases 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 210000002318 cardia Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000009519 contusion Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000916 dilatatory effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 210000004400 mucous membrane Anatomy 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 208000019206 urinary tract infection Diseases 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/1002—Balloon catheters characterised by balloon shape
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0074—Dynamic characteristics of the catheter tip, e.g. openable, closable, expandable or deformable
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M29/00—Dilators with or without means for introducing media, e.g. remedies
- A61M29/02—Dilators made of swellable material
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M29/00—Dilators with or without means for introducing media, e.g. remedies
- A61M29/02—Dilators made of swellable material
- A61M2029/025—Dilators made of swellable material characterised by the guiding element
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/10—Trunk
- A61M2210/1078—Urinary tract
Abstract
The present invention provides a kind of expansion guide, including guide main body, expansion body, guide seat and sliding sleeve, the guide main body successively includes guidance part, expansion body portion and guiding core bar, sliding sleeve sliding is placed on guiding core bar, guiding core bar is connected with guide seat, the expansion body is set to expansion body portion, the expansion body includes no less than 3 groups of expansion skeletons, the expansion skeleton includes the first expansion item and the second expansion item, one end of first expansion item and guidance part are hinged, one end of second expansion item and the middle part of the first expansion item are hinged, the other end of second expansion item and the end of sliding sleeve are hinged.The beneficial effects of the invention are as follows due to the adoption of the above technical scheme, new mode is provided for the intubation of catheter, intubation resistance is small, and patient suffering is small.
Description
Technical field
The invention belongs to the field of medical instrument technology, especially a kind of expansion guide.
Background technique
It is intubated as clinical common medical procedure, plays a significant role in clinic.Being intubated common effect is by leading
Pipe swaps the intracorporal liquid substance of chamber a certain in human body with the external world, such as catheter exports intravesical urine, stomach
Pipe injects spoon meat to stomach, and diversion pipe excludes the intracorporal fester of chamber, crimson blood external etc..
Conduit mainly has silica gel, rubber, EVA, PVC etc., and head end and tube body are partially soft.During intubation, work as channel
When more narrow, it is excessive to have an intubation resistance, the problem of difficult intubation.By taking catheter as an example, some patients are because urethra is narrow
Situations such as narrow, hyperplasia of prostate, canceration, neck of urinary bladder hardening, causes urethra internal resistance bigger than normal, greatly increases and sets pipe difficulty.It is existing to face
With on the other hand orificium urethrae externum is fixed usually after disinfection orificium urethrae externum and surrounding tissue, another hand is direct or uses tweezers for bed urethral catheterization
Deng holding catheter, be inserted into from urethral orifice, in face of resistance bending and when narrow situation, then need more firmly to be placed in, to patient with
Carry out huge pain, causes the damage of mucous membrane of urethra, cause the destruction of urologic structure, increase the risk of urinary tract infection.Stomach tube is inserted
During pipe when passing through cardia, the problem of equally existing difficult intubation.
It is had the following problems in the catheterization procedure of existing clinic: the needs when catheter head top marches at ankylurethria
External force is increased to promote, shear action can occur for apical head and stenosis tissue, even by stenosis, tissue
Inner membrance also suffers from serious contusion and creates conditions for microorganism infection, and the measures such as catheter outer surface coating lubricating oil produce little effect.
A kind of guide wire catheter of the disclosure of the invention of application number 2009200275009 comprising seal wire and catheter, urethral catheterization
It is equipped with seal wire in pipe, first seal wire is inserted into catheter, makes catheter that there is certain rigidity, after catheter is inserted into bladder,
Seal wire is extracted out from catheter again.
However, above-mentioned intubation problem encountered is only to be delayed in the degree limited to very much even if there is the presence of seal wire
Solution, there is no fundamentally reduce to lead intubation resistance.
Summary of the invention
The object of the present invention is to provide a kind of expansion guide, it is big especially to solve resistance at the top of conduit in catheterization procedure
Problem.
The technical scheme is that
A kind of expansion guide, including guide main body, expansion body, guide seat and sliding sleeve, the guide master
Body successively includes guidance part, expansion body portion and guiding core bar, and sliding sleeve sliding is placed on guiding core bar, guides core bar and guide
Seat is connected, and the expansion body is set to expansion body portion, and the expansion body includes no less than 3 groups of expansion skeletons, the expansion skeleton
Including the first expansion item and the second expansion item, one end of the first expansion item and guidance part are hinged, one end and the of the second expansion article
The middle part of one expansion item is hinged, and the other end of the second expansion item and the end of sliding sleeve are hinged, the length of the guiding core bar
Not less than the length of conduit.
It needs to expand guide when use and tubes fit uses, by expansion guide insertion conduit, guide expansion
The guidance part of device and expansion body portion are stretched out from the through-hole of tube body front end, and the front of guide main body is provided with the expansion of umbrella
Body, expansion body passes through the sliding sleeve starting being placed on outside guiding core bar, in use, sliding sleeve is guided core by operator relatively
Bar forward slip, sliding sleeve squeeze the expansion body positioned at expansion body portion in the axial direction, and the second expansion item of expansion body is in cunning
It is subjected to displacement under the driving of dynamic casing, second expansion item driving the first expansion item makes multiple groups first expand item around guide master
Body struts, and supports urethral wall, and path has been dredged in the advance for the conduit outside expansion guide.
The expansion body portion be equipped with no less than 1 be parallel to expansion guide axis track groove, the sliding sleeve with
The connected tip inside of second expansion item is equipped with the protrusion matched with track groove.
The tip inside that the sliding sleeve is connected with the second expansion item is equipped with no less than 1 and is parallel to expansion guide axis
The track groove of line, the expansion body portion are equipped with the protrusion matched with track groove.
Sliding sleeve and guide main body are slim-lined construction, and when sliding relatively, i.e., sliding sleeve is squeezing expansion body
When, sliding sleeve, which is likely to occur, to rotate in a circumferential direction, it is possible to drive expansion body to rotate in a circumferential direction, to cause expansion body can not
Expand into ideal form.Therefore, the present invention is equipped with relative orbit, anti-sliding stop between expansion body portion and the end of sliding sleeve
Casing relative distension guide rotates.Relative orbit includes track groove and protrusion, and track groove can be set in expansion body portion
Also it can be set on sliding sleeve, corresponding, protrusion is set on sliding sleeve or expansion body portion
The expansion external surface is equipped with the elastic covering film for household with expansion mates.
The length of the elastic covering film for household is matched with the length of the first expansion item, the inner sidewall of the elastic covering film for household and first
Expansion item is fixedly connected.Elastic covering film for household increases the contact area of expansion body and urethra, reduces pressure, reduces expansion body expansion to trouble
Sense of discomfort caused by person
The guide seat includes guide seat lower part, guide seat top and the block set for being placed on guide seat top, institute
It states block set and is equipped with the circular hole matched with guiding core bar diameter close to guide body side, the diameter of the circular hole is less than sliding
The diameter of casing.
Block set and guide seat top opposite can be slided, and guide main body passes through circular hole and fixes with guide seat top, covers
When the opposite guide seat top of seat is slided, casing is pushed to move forward, guide seat and block set outer diameter are larger, convenient for expansion
Guide is opened to be operated.
Preferably, the guide seat outer surface of upper is equipped with the first screw thread, and set base inner surface is equipped with and the first screw thread phase
Second screw thread of cooperation.Make block set relative to guide seat ionized motion by screw thread, it can also be effectively to the cunning advanced
Dynamic casing is limited, and the sliding sleeve of advance has the tendency that reset under the reaction of expansion body, after limit, can make operator
Vacate the operation that both hands carry out catheter.
The advantages and positive effects of the present invention are: due to the adoption of the above technical scheme, providing new side for intubation
Formula, intubation resistance is small, and patient suffering is small.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the unexpanded expansion guide of expansion body
Fig. 2 is the structural schematic diagram of expansion guide after expansion body expansion
Fig. 3 is the schematic diagram in Fig. 2 at A
Fig. 4 is the schematic diagram in Fig. 2 at B
In figure:
1, guide main body 2, expansion body 3, guide seat
4, seal wire casing 11, guidance part 12, expansion body portion
13, guiding core bar 21, first expands item 22, second and expands item
23, elastic covering film for household 31, guide seat lower part 32, guide seat top
33, block set
Specific embodiment
Embodiment 1
As shown in Figs 1-4,
A kind of expansion guide, it is characterised in that: including guide main body 11, expansion body 2, guide seat 3 and sliding sleeve
Pipe 4, the guide main body 1 successively include guidance part 11, expansion body portion 12 and guiding core bar 13, and sliding sleeve sliding, which is placed on, to be led
Draw core bar, guiding core bar 13 is connected with guide seat 3, and the expansion body 2 is set to expansion body portion 12, and the expansion body 2 includes 4
Group expansion skeleton, the expansion skeleton include first expansion item 21 and second expansion item 22, first expand item 21 one end with lead
It is hinged to draw portion 11, one end of the second expansion item 22 and the middle part of the first expansion item 21 are hinged, the other end of the second expansion item 22 and
The end of sliding sleeve 4 is hinged.
The expansion body portion 12 is equipped with no less than 1 track groove for being parallel to expansion guide axis, the sliding sleeve 4
The tip inside being connected with the second expansion item 22 is equipped with the protrusion matched with track groove.
2 outer surface of expansion body is equipped with the elastic covering film for household 23 matched with expansion body 2.
The length of the elastic covering film for household 23 is matched with the length of the first expansion item 21, the inner sidewall of the elastic covering film for household 23
It is fixedly connected with the first expansion item 21.
The guide seat 3 is including guide seat lower part 31, guide seat top 32 and is placed on guide seat top 32
Block set 33, the block set 33 are equipped with the circular hole matched with guiding 13 diameter of core bar, the circular hole close to 1 side of guide main body
Diameter be less than sliding sleeve 4 diameter.
32 outer surface of guide seat top is equipped with the first screw thread, and 33 inner surface of block set is equipped with and matches with the first screw thread
The second screw thread.
Embodiment 2
As shown in Figs 1-4,
A kind of expansion guide, it is characterised in that: including guide main body 11, expansion body 2, guide seat 3 and sliding sleeve
Pipe 4, the guide main body 1 successively include guidance part 11, expansion body portion 12 and guiding core bar 13, and sliding sleeve sliding, which is placed on, to be led
Draw core bar, guiding core bar 13 is connected with guide seat 3, and the expansion body 2 is set to expansion body portion 12, and the expansion body 2 includes 4
Group expansion skeleton, the expansion skeleton include first expansion item 21 and second expansion item 22, first expand item 21 one end with lead
It is hinged to draw portion 11, one end of the second expansion item 22 and the middle part of the first expansion item 21 are hinged, the other end of the second expansion item 22 and
The end of sliding sleeve 4 is hinged.
The tip inside that the sliding sleeve 4 is connected with the second expansion item 22 is equipped with no less than 1 and is parallel to expansion guiding
The track groove of device axis, the expansion body portion 12 are equipped with the protrusion matched with track groove.
2 outer surface of expansion body is equipped with the elastic covering film for household 23 matched with expansion body 2.
The length of the elastic covering film for household 23 is matched with the length of the first expansion item 21, the inner sidewall of the elastic covering film for household 23
It is fixedly connected with the first expansion item 21.
The guide seat 3 is including guide seat lower part 31, guide seat top 32 and is placed on guide seat top 32
Block set 33, the block set 33 are equipped with the circular hole matched with guiding 13 diameter of core bar, the circular hole close to 1 side of guide main body
Diameter be less than sliding sleeve 4 diameter.
32 outer surface of guide seat top is equipped with the first screw thread, and 33 inner surface of block set is equipped with and matches with the first screw thread
The second screw thread.
Embodiment 3
As shown in Figs 1-4,
A kind of expansion guide, it is characterised in that: including guide main body 11, expansion body 2, guide seat 3 and sliding sleeve
Pipe 4, the guide main body 1 successively include guidance part 11, expansion body portion 12 and guiding core bar 13, and sliding sleeve sliding, which is placed on, to be led
Draw core bar, guiding core bar 13 is connected with guide seat 3, and the expansion body 2 is set to expansion body portion 12, and the expansion body 2 includes 4
Group expansion skeleton, the expansion skeleton include first expansion item 21 and second expansion item 22, first expand item 21 one end with lead
It is hinged to draw portion 11, one end of the second expansion item 22 and the middle part of the first expansion item 21 are hinged, the other end of the second expansion item 22 and
The end of sliding sleeve 4 is hinged.
The expansion body portion 12 is equipped with no less than 1 track groove for being parallel to expansion guide axis, the sliding sleeve 4
The tip inside being connected with the second expansion item 22 is equipped with the protrusion matched with track groove.
2 outer surface of expansion body is equipped with the elastic covering film for household 23 matched with expansion body 2.
The length of the elastic covering film for household 23 is matched with the length of the first expansion item 21, the inner sidewall of the elastic covering film for household 23
It is fixedly connected with the first expansion item 21.
The guide seat 3 is including guide seat lower part 31, guide seat top 32 and is placed on guide seat top 32
Block set 33, the block set 33 are equipped with the circular hole matched with guiding 13 diameter of core bar, the circular hole close to 1 side of guide main body
Diameter be less than sliding sleeve 4 diameter.
32 outer surface of guide seat top is equipped with the first screw thread, and 33 inner surface of block set is equipped with and matches with the first screw thread
The second screw thread.
The block set 33 is equipped with bellows, the height and sliding of the bellows far from the end face of guide seat lower part 31
The sum of length of casing 4 is matched with the length of guiding core bar 13.
It is to need to use with sleeve kit due to expanding guide, when the drive forward movement of sliding sleeve 4 of block set 33, is located at
Bellows between the end face of conduit and block set 33 far from guide seat lower part 31 is compressed, and the reset of the bellows of compression becomes
Gesture, pushes conduit to move forward, and operator need not carry out conduit with respect to the operation that guide main body 1 pushes, to make to be intubated again
It is more convenient.
Embodiment 4
As shown in Figs 1-4,
A kind of expansion guide, it is characterised in that: including guide main body 11, expansion body 2, guide seat 3 and sliding sleeve
Pipe 4, the guide main body 1 successively include guidance part 11, expansion body portion 12 and guiding core bar 13, and sliding sleeve sliding, which is placed on, to be led
Draw core bar, guiding core bar 13 is connected with guide seat 3, and the expansion body 2 is set to expansion body portion 12, and the expansion body 2 includes 4
Group expansion skeleton, the expansion skeleton include first expansion item 21 and second expansion item 22, first expand item 21 one end with lead
It is hinged to draw portion 11, one end of the second expansion item 22 and the middle part of the first expansion item 21 are hinged, the other end of the second expansion item 22 and
The end of sliding sleeve 4 is hinged.
The expansion body portion 12 is equipped with no less than 1 track groove for being parallel to expansion guide axis, the sliding sleeve 4
The tip inside being connected with the second expansion item 22 is equipped with the protrusion matched with track groove.
2 outer surface of expansion body is equipped with the elastic covering film for household 23 matched with expansion body 2.
The length of the elastic covering film for household 23 is matched with the length of the first expansion item 21, the inner sidewall of the elastic covering film for household 23
It is fixedly connected with the first expansion item 21.
The guide seat 3 is including guide seat lower part 31, guide seat top 32 and is placed on guide seat top 32
Block set 33, the block set 33 are equipped with the circular hole matched with guiding 13 diameter of core bar, the circular hole close to 1 side of guide main body
Diameter be less than sliding sleeve 4 diameter.
32 outer surface of guide seat top is equipped with the first screw thread, and 33 inner surface of block set is equipped with and matches with the first screw thread
The second screw thread.
The block set 33 is equipped with spring, the Extending Length of the spring and sliding far from the end face of guide seat lower part 31
The sum of length of casing 4 is matched with the length of guiding core bar 13.
Many times, expansion guide need and tubes fit use, when block set 33 drive sliding sleeve 4 move forward,
Spring between the end face of conduit and block set 33 far from guide seat lower part 31 is compressed, and the reset of the spring of compression becomes
Gesture, pushes conduit 5 to move forward, and operator need not carry out conduit with respect to the operation that guide main body pushes, to make to be intubated again
It is more convenient.
Embodiment 5
As shown in Figs 1-4,
A kind of expansion guide, it is characterised in that: including guide main body 11, expansion body 2, guide seat 3 and sliding sleeve
Pipe 4, the guide main body 1 successively include guidance part 11, expansion body portion 12 and guiding core bar 13, and sliding sleeve sliding, which is placed on, to be led
Draw core bar, guiding core bar 13 is connected with guide seat 3, and the expansion body 2 is set to expansion body portion 12, and the expansion body 2 includes 4
Group expansion skeleton, the expansion skeleton include first expansion item 21 and second expansion item 22, first expand item 21 one end with lead
It is hinged to draw portion 11, one end of the second expansion item 22 and the middle part of the first expansion item 21 are hinged, the other end of the second expansion item 22 and
The end of sliding sleeve 4 is hinged.
The expansion body portion 12 is equipped with no less than 1 track groove for being parallel to expansion guide axis, the sliding sleeve 4
The tip inside being connected with the second expansion item 22 is equipped with the protrusion matched with track groove.
2 outer surface of expansion body is equipped with the elastic covering film for household 23 matched with expansion body 2.
The length of the elastic covering film for household 23 is matched with the length of the first expansion item 21, the inner sidewall of the elastic covering film for household 23
It is fixedly connected with the first expansion item 21.
The guide seat 3 is including guide seat lower part 31, guide seat top 32 and is placed on guide seat top 32
Block set 33, the block set 33 are equipped with the circular hole matched with guiding 13 diameter of core bar, the circular hole close to 1 side of guide main body
Diameter be less than sliding sleeve 4 diameter.
32 outer surface of guide seat top is equipped with the first screw thread, and 33 inner surface of block set is equipped with and matches with the first screw thread
The second screw thread.
The block set 33 is slidably connected with guide seat top 32, and guide seat top 32 is equipped with limiting device.The limit
Position device includes the gag lever post for running through guide seat top 32 along 32 radial direction of guide seat top, the length of the gag lever post
Greater than the diameter on guide seat top 32, the middle part of the gag lever post is equipped with elastomer.
For guide main body 1 by 2 dilating urethra of expansion body, final effect is to make to be placed on the tube body outside expansion guide
Advance.When expansion body 2 is supported out, by the extruding of urethral wall, the trend of the oriented contract of expansion body 2, sliding sleeve 4 also has
The trend resetted backward, block set 33 are in contact with sliding sleeve 4, and block set 33 also has the tendency that resetting backward, at this time, it may be necessary to will slide
Dynamic casing 4 and guide main body 1 are relatively fixed, that is, need block set 33 and 32 positions of guide seat top is relatively fixed,
To keep the deformation of expansion body 2.It is equipped with elastomer in limiting device, under normal condition, elastomer is compressed, the length of gag lever post
Degree is equal to the internal diameter of block set 33, and gag lever post is located in block set 33, when 33 forward slip of block set, 33 end of block set and gag lever post point
From the length of the expansion of gag lever post elastomer, gag lever post is greater than 33 internal diameter of block set, plays restriction effect to the reset of block set 33
One embodiment of the present invention has been described in detail above, but the content is only preferable implementation of the invention
Example, should not be considered as limiting the scope of the invention.It is all according to all the changes and improvements made by the present patent application range
Deng should still be within the scope of the patent of the present invention.
Claims (7)
1. a kind of expansion guide, it is characterised in that: described including guide main body, expansion body, guide seat and sliding sleeve
Guide main body successively includes guidance part, expansion body portion and guiding core bar, and sliding sleeve sliding is placed on guiding core bar, guides core bar
It is connected with guide seat, the expansion body is set to expansion body portion, and the expansion body includes no less than 3 groups of expansion skeletons, described
Expanding skeleton includes the first expansion item and the second expansion item, and one end of the first expansion item and guidance part are hinged, the second expansion item
One end and the middle part of the first expansion item are hinged, and the other end of the second expansion item and the end of sliding sleeve are hinged.
2. expansion guide according to claim 1, it is characterised in that: the expansion body portion is equipped with no less than 1 in parallel
In the track groove of expansion guide axis, the tip inside that the sliding sleeve is connected with the second expansion item is equipped with and track groove phase
The protrusion of cooperation.
3. expansion guide according to claim 1, it is characterised in that: the sliding sleeve is connected with the second expansion item
Tip inside is equipped with no less than 1 track groove for being parallel to expansion guide axis, and the expansion body portion is equipped with and track groove phase
The protrusion of cooperation.
4. expansion guide according to claim 1, it is characterised in that: the expansion external surface is equipped with and expansion body phase
The elastic covering film for household of cooperation.
5. expansion guide according to claim 4, it is characterised in that: the length of the elastic covering film for household and the first expansion item
Length match, the inner sidewall of the elastic covering film for household with first expansion item be fixedly connected.
6. expansion guide according to claim 1, it is characterised in that: the guide seat include guide seat lower part,
Guide seat top and the block set for being placed on guide seat top, the block set are equipped with and guiding core close to guide body side
The circular hole that shank diameter matches, the diameter of the circular hole are less than the diameter of sliding sleeve.
7. expansion guide according to claim 6, it is characterised in that: the guide seat outer surface of upper is equipped with first
Screw thread, set base inner surface are equipped with the second screw thread matched with the first screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810869410.8A CN109125891B (en) | 2018-08-02 | 2018-08-02 | Expansion guide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810869410.8A CN109125891B (en) | 2018-08-02 | 2018-08-02 | Expansion guide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109125891A true CN109125891A (en) | 2019-01-04 |
| CN109125891B CN109125891B (en) | 2024-03-19 |
Family
ID=64798575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810869410.8A Active CN109125891B (en) | 2018-08-02 | 2018-08-02 | Expansion guide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109125891B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113171538A (en) * | 2021-05-06 | 2021-07-27 | 王畅 | Cut-off equipment for intestinal treatment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101628143A (en) * | 2009-08-07 | 2010-01-20 | 中国人民解放军第三军医大学第一附属医院 | Intervention device with adjustable diameter |
| CN103156358A (en) * | 2013-03-29 | 2013-06-19 | 余德清 | Push-pull umbrella |
| CN106730279A (en) * | 2016-12-27 | 2017-05-31 | 重庆迪赛生物工程有限公司 | A kind of procteurynter |
| CN106963429A (en) * | 2017-03-30 | 2017-07-21 | 郭新辉 | The minimally invasive tunnel dilator of gasbag-type |
| CN207306970U (en) * | 2017-03-27 | 2018-05-04 | 安海慧 | A kind of medical procteurynter |
| CN207356353U (en) * | 2017-03-13 | 2018-05-15 | 刘少宁 | A kind of GI Medicine stomach inner wall brace type drug delivery device |
-
2018
- 2018-08-02 CN CN201810869410.8A patent/CN109125891B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101628143A (en) * | 2009-08-07 | 2010-01-20 | 中国人民解放军第三军医大学第一附属医院 | Intervention device with adjustable diameter |
| CN103156358A (en) * | 2013-03-29 | 2013-06-19 | 余德清 | Push-pull umbrella |
| CN106730279A (en) * | 2016-12-27 | 2017-05-31 | 重庆迪赛生物工程有限公司 | A kind of procteurynter |
| CN207356353U (en) * | 2017-03-13 | 2018-05-15 | 刘少宁 | A kind of GI Medicine stomach inner wall brace type drug delivery device |
| CN207306970U (en) * | 2017-03-27 | 2018-05-04 | 安海慧 | A kind of medical procteurynter |
| CN106963429A (en) * | 2017-03-30 | 2017-07-21 | 郭新辉 | The minimally invasive tunnel dilator of gasbag-type |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113171538A (en) * | 2021-05-06 | 2021-07-27 | 王畅 | Cut-off equipment for intestinal treatment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109125891B (en) | 2024-03-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6865341B2 (en) | Stenosis dilated urinary catheter | |
| CN202822454U (en) | Novel urethra expander | |
| CN109107023A (en) | Expand guide | |
| CN109125891A (en) | Expand guide | |
| CN109907727A (en) | A kind of Medical anus dilator | |
| CN109107026A (en) | Stricture dilation catheter | |
| CN209967371U (en) | Catheter | |
| CN109481828B (en) | Novel guide wire and application thereof | |
| CN209967375U (en) | Narrow dilating catheter | |
| CN110721392A (en) | Disposable ureter guide sheath | |
| CN101396308A (en) | Pressure lubrication pain-reduction urethral catheter | |
| CN108968904A (en) | A kind of medical multifunctional expander | |
| CN109107022A (en) | Stricture dilation catheter | |
| CN201375747Y (en) | Double J-tube cannulation kit | |
| CN209967372U (en) | Expansion guide | |
| CN209360646U (en) | A kind of medical vaginal dilator | |
| CN209967369U (en) | Dilating catheter | |
| CN109107024B (en) | Stenosis dilation guide | |
| CN207085060U (en) | A kind of prostate dilator of non-touch positioning | |
| CN207614169U (en) | A kind of stricture dilation type catheter | |
| CN109107027A (en) | Catheter | |
| CN208389166U (en) | A kind of divulsor | |
| CN206934434U (en) | A kind of hepatic surgery used saccular dilation guide tube | |
| CN209967370U (en) | Expansion guide | |
| CN112354071B (en) | External urinary clinical prostate expansion device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |