CN2432946Y - Compound inflatable pipe for inserting dilation - Google Patents
Compound inflatable pipe for inserting dilation Download PDFInfo
- Publication number
- CN2432946Y CN2432946Y CN 00223870 CN00223870U CN2432946Y CN 2432946 Y CN2432946 Y CN 2432946Y CN 00223870 CN00223870 CN 00223870 CN 00223870 U CN00223870 U CN 00223870U CN 2432946 Y CN2432946 Y CN 2432946Y
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- pipe
- tube
- stainless steel
- steel tube
- compound
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Abstract
The utility model relates to a compound inflatable tube for insertion and dilation, which is composed of a compound inflatable probe (1) and a connecting guide tube (2). The innermost part of the compound inflatable probe (1) is a compound supporting tube (4). One end of the compound supporting tube (4) is closed. At least one small hole (8) is drilled on the wall of the compound supporting tube (4). An emulsion tube (5) is sheathed on the outside of the compound supporting tube (4). A non elastic line net tube (6) is sheathed on the outside of the emulsion tube (5). The emulsion tube (5) and both ends of the non elastic line net tube (6) are closed and fixed on the compound supporting tube (4) together. Then, an emulsion sleeve (7) is sheathed on the outer side of the compound supporting tube (4). One end of the emulsion sleeve (7) is closed. The inflatable tube can limit maximal inflation dimension and shape, with the advantages of small initial dimension, uniform inflation course, pressure resistant property, simple structure, etc. Safe and convenient leading in multiple narrow lumina of a human body can be realized. Continuous expansion and contraction are easily controlled.
Description
This utility model belongs to technical field of medical instruments, is specifically related to a kind of composite expanded probe of using in the intervention method diagnosis and treatment process of intervention expansion that is applicable to.
Relate to the narrow dilation procedure of numerous body lumens in the intervention method diagnosis and treatment process.For example, Cervical expansion in the artificial abortion; The expansion of narrow positions in esophagus maga-esophagus, the cicatrix esophageal stricture disease; Urethral dilatation in the prostatic hyperplasia; Vasodilation in the narrow property cardiovascular disease or the like.In these dilation procedures, traditional method is to adopt metal dilator, this class dilator complicated operation, and it is stiff to expand, and easily brings misery to the patient.At the deficiency of metal dilator, existing latex balloon convergent divergent channel in the diagnosis and treatment at present, this class convergent divergent channel is carried piezodielectric, the expansion latex tubing, thereby expansion diagnosis and treatment position, dilator contacts with the affected part is flexible, has that process of expansion is continuous, patient suffering's features of smaller.But it is simple and crude that this class dilator still shows, and the rubber finger sleeve expansion shape is the sacculus shape in specifically using, and lateral magnification can not formalize greatly and longitudinal extension is little, is unfavorable for the expansion at long and narrow position; Secondly, this class dilator can not limit maximum swelling, is difficult in the operation grasping; Secondly, how this class dilator need have a rigid handles, complex structure again; Also have, what they used is single rubber finger sleeve, and compressive resistance is low, cracky.
The purpose of this utility model is stored at the prior art above shortcomings, provide a kind of original dimension little, can limit the maximum swelling size and shape, expansion process is even and withstand voltage, composite expanded pipe simple in structure is to realize narrow safe, the continuous expansion that conveniently imports, be easy to control of many places body lumen, to shrink purposes.
The technical solution of the utility model is as follows:
Get involved the composite expanded pipe of expansion, form by composite expanded probe and connecting duct, composite expanded probe in portion be the compound stay pipe of end sealing, be drilled with at least one aperture on the tube wall, compound stay pipe overcoat latex tubing, latex tubing is with non-resilient gauze pipe outward, and the common sealing in latex tubing and non-resilient gauze pipe two ends is fixed on the compound stay pipe, and its outer rubber finger sleeve that is sealed by an end again entangles.
The grid of the described non-resilient gauze pipe of this expansion tube evenly and assume diamond in shape.Connecting duct can be medical rubber hose or softer medical plastic pipe or the stainless steel tube that shore a hardness is 50-70.Compound stay pipe (4) is composited by stainless steel tube and joint (9), and stainless steel tube has two kinds of diameters to divide three sections to be bonded, the slightly larger in diameter of interlude stainless steel tube in the front and rear sections stainless steel tube and, be drilled with at least one aperture on its tube wall.The stainless steel tube of compound stay pipe also can be single diameter in addition.
Adopt said structure, can make this expansion probe possess following advantage:
1. the probe of this pipe adopts three layers of overcoat parcel stay pipe structure, and the ground floor latex tubing plays expansion, and the non-resilient gauze pipe of the second layer works the withstand voltage control of expanding, and the 3rd layer of outer gum cover plays flexible contact, protection and help webmaster to shrink.Probe is cylindrical after expanding like this, and expansion process is even, and its key is the design of non-resilient gauze pipe, because its grid evenly and assume diamond in shape, during assembling, tens times of thick webmasters can be drawn into cord shape (axially dicing is similar to zero) by the dicing variation.When the internal layer rubber finger sleeve expanded, the axial stretching of control mesh and the elongation of non-rigid stress, and the density of network and length of side variation were evenly expanded and setting with regard to the may command probe.
2. simultaneously, the maximum swelling size of probe also can be by the axial stretching and the elongation of non-rigid stress by grid, and the quantity of network and the length of side change to determine, thereby produces the specifications and models of different maximum swelling sizes, convenient use.
3. expansion tube adopts the connecting duct with certain degree of hardness, can replace traditional metal handle, and structure is simpler.
4. the multilamellar package structure of probe employing has also strengthened compressive resistance greatly, even if after the internal layer latex tubing breaks, rubber finger sleeve can guarantee that still medium is not excessive, has improved safety.
Below in conjunction with drawings and Examples this utility model is described further:
Fig. 1 is an outline drawing of the present utility model;
Fig. 2 is composite expanded sonde configuration figure of the present utility model;
Fig. 3 is used for the compound stay pipe structure chart of the intervention expansion of cervical dilatation with composite expanded probe.
Embodiment: referring to Fig. 1 and Fig. 2, composite expanded pipe external form is a smooth in appearance, soft, and there is the spherical crown head on the top, and afterbody has the latex cylinder of plastics union joint.Composite expanded probe 1 is made up of the rubber finger sleeve 7 of a spherical crown head adapter of plastic 9 and the compound compound stay pipe 4 of rustless steel tubule, internal layer latex tubing 5, non-resilient gauze pipe 6 and skin respectively from inside to outside.Compound stay pipe 4 one ends sealing is drilled with at least one aperture 8 on the tube wall.Compound stay pipe 4 overcoat latex tubings 5, the non-resilient gauze pipe 6 of latex tubing 5 overcoats, latex tubing 5 is fixed on the compound stay pipe 4 with the common sealing in non-resilient gauze pipe 6 two ends, and its outer outer gum cover 7 that is sealed by an end again entangles, and outer gum cover 7 other ends are fixed.Be connected by rubber or plastics connecting duct 2 unexpansive under the adapter of plastic 9 on the compound stay pipe 4 and the operating pressure, connecting duct is established union joint 3, can be connected with syringe or other quatitative liquid supplying devices external, injecting or extracting out has press liquid (as distilled water, normal saline or contrast agent etc.) can realize the quantitatively expansion or the contraction of typing of composite expanded probe.
Interior sebific duct 5 is the natural emulsion long tube of mould impregnation technology production and processing, shape contraction after, internal diameter is the 1.6-2.2 millimeter, wall thickness is the 0.20-0.5 millimeter, gets it than 7 length of long 6-10 millimeter slightly.Non-resilient gauze 6 is the rhombus webmaster with 0-4 number white suture processing, rhombus length of side 2-6 millimeter wherein, and the network density of pipe network is 10-30/girth.Outer gum cover 7 adopts natural emulsion mould impregnation technology to make, and an end is the spherical crown shape, and external diameter Φ 3.0-4.5, wall thickness are the 0.20-0.5 millimeter.
Fig. 3 is used for the compound stay pipe structure chart of cervical dilatation for this utility model, its compound stay pipe is bonded by the stainless steel tube of adapter of plastic 9, three sections two kinds of diameters, wherein adapter of plastic 9 adopts and meets the plastic injection-moulded of hygienic requirements and form, leading portion stainless steel tube 10, back segment stainless steel tube 12 external diameters are identical, adopt medical injection rustless steel syringe needle same steel tube material to process, the outer end is with stainless steel silk and bonding agent shutoff and be processed into round end, interlude stainless steel tube 11 length 20-40 millimeters, external diameter Φ 1.6-2.0, there is the aperture of 2-4 Φ≤0.5 its side.Interlude stainless steel tube 11 can play the effect of shrinking when booster action and restriction latex tubing 5 and non-resilient webmaster 6 expand to compound stay pipe.
Earlier latex tubing 5 is inserted on the compound stay pipe 4 during assembling, be inserted in non-resilient webmaster 6 then, their front ends are banded on the back segment stainless steel tube 12 simultaneously, again non-resilient webmaster 6 stretchings attenuating back is all tied up with latex tubing 5 other ends and be fixed on the leading portion stainless steel tube 10, be inserted in latex tubing 7, at last that the straight tube end and the adapter of plastic 9 of rubber finger sleeve 7 is fixing, finish the making of composite expanded probe 1.Connecting duct 2 is connected with the adapter of plastic 9 of composite expanded probe 1, promptly forms this composite expanded pipe.
When making cervical dilatation with composite expanded pipe, selected connecting duct 2 is the medical rubber hose of hardness (Shao Er A) 50-70, therefore no longer needs action bars or operating grip.
It is Φ 3.0-Φ 5.0 that this product can be made overall dimensions, range of expansion Φ 4-Φ 14, and maximum force of explosion can reach 8Kgf/cm, and sebific duct 7 can guarantee that still liquid is not excessive outside after latex tubing 5 breaks release of pressure.According to application target, binding fiber strengthens the withstand voltage theoretical basis of rubber and can the compressive resistance and the expansion of composite expanded probe be designed in advance.
Claims (7)
1. get involved the composite expanded pipe of expansion, form by composite expanded probe (1) and connecting duct (2), it is characterized in that composite expanded probe (1) in portion be the compound stay pipe (4) of end sealing, be drilled with at least one aperture (8) on the tube wall, compound stay pipe (4) overcoat latex tubing (5), the outer non-resilient gauze pipe (6) that is with of latex tubing (5), latex tubing (5) is fixed on the compound stay pipe (4) with the common sealing in non-resilient gauze pipe (6) two ends, and its outer rubber finger sleeve (7) that is sealed by an end again entangles.
2. composite expanded pipe use in intervention according to claim 1 expansion, it is characterized in that the grid of non-resilient gauze pipe (6) is even and assumes diamond in shape.
3. composite expanded pipe is used in intervention expansion according to claim 1 and 2, it is characterized in that connecting duct (2) can be medical rubber hose or softer medical plastic pipe or the stainless steel tube of shore a hardness 50-70.
4. according to claim 1 or the composite expanded pipe of 2 described intervention expansions, it is characterized in that compound stay pipe (4) is composited by stainless steel tube and joint, stainless steel tube has two kinds of diameters to divide three sections to be bonded, the slightly larger in diameter of interlude stainless steel tube (11) is drilled with at least one aperture (8) in front and rear sections stainless steel tube (10) and (12) on its tube wall.
5. according to the composite expanded pipe of the described intervention expansion of claim 3, it is characterized in that compound stay pipe (4) is composited by stainless steel tube and joint (9), stainless steel tube has two kinds of diameters to divide three sections to be bonded, the slightly larger in diameter of interlude stainless steel tube (11) is drilled with at least one aperture (8) in front and rear sections stainless steel tube (10) and (12) on its tube wall.
6. composite expanded pipe is used in intervention expansion according to claim 1 and 2, it is characterized in that compound stay pipe (4) is composited by stainless steel tube and joint (9), and stainless steel tube is single diameter.
7. composite expanded pipe is used in intervention expansion according to claim 3, it is characterized in that compound stay pipe (4) is composited by stainless steel tube and joint (9), and stainless steel tube is single diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00223870 CN2432946Y (en) | 2000-08-03 | 2000-08-03 | Compound inflatable pipe for inserting dilation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00223870 CN2432946Y (en) | 2000-08-03 | 2000-08-03 | Compound inflatable pipe for inserting dilation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2432946Y true CN2432946Y (en) | 2001-06-06 |
Family
ID=33588349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00223870 Expired - Fee Related CN2432946Y (en) | 2000-08-03 | 2000-08-03 | Compound inflatable pipe for inserting dilation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2432946Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111420252A (en) * | 2020-02-10 | 2020-07-17 | 东华大学 | Self-adaptive progressive dilator for achalasia of cardia and preparation method thereof |
| CN112472359A (en) * | 2020-12-15 | 2021-03-12 | 上海市东方医院（同济大学附属东方医院） | Automatic expansion type bile duct support for bile duct stenosis |
-
2000
- 2000-08-03 CN CN 00223870 patent/CN2432946Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111420252A (en) * | 2020-02-10 | 2020-07-17 | 东华大学 | Self-adaptive progressive dilator for achalasia of cardia and preparation method thereof |
| CN111420252B (en) * | 2020-02-10 | 2021-03-02 | 东华大学 | Self-adaptive progressive dilator for achalasia of cardia and preparation method thereof |
| CN112472359A (en) * | 2020-12-15 | 2021-03-12 | 上海市东方医院（同济大学附属东方医院） | Automatic expansion type bile duct support for bile duct stenosis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |