CN103751900A - Sterile catheter sheath - Google Patents
Sterile catheter sheath Download PDFInfo
- Publication number
- CN103751900A CN103751900A CN201410013488.1A CN201410013488A CN103751900A CN 103751900 A CN103751900 A CN 103751900A CN 201410013488 A CN201410013488 A CN 201410013488A CN 103751900 A CN103751900 A CN 103751900A
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- CN
- China
- Prior art keywords
- sheath
- base
- steel cap
- socket
- pipe
- 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.)
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Abstract
The invention discloses a sterile catheter sheath comprising a socket, a tube and a cover. The tube is inserted into the socket, the socket comprises a front end and a rear end, and a seal gasket is mounted in the socket, and is pressed and fixed to the end opening of the socket through the cover. The sterile catheter sheath is characterized by further comprising a sleeve and a circular steel cap, the circular steel cap has a flared opening, the tube is sleeved on the circular steel cap, and the front end and the rear end of the socket are molded integrally. The sterile catheter sheath overcomes the defect of cost increase due to the design of dividing the socket into the front part and the rear part in the prior art.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, relate in particular to a kind of sterile catheter sheath for auxiliary interventional therapy.
Background technology
As the supplemental pilot apparatus of arteriovenous intervene operation, catheter sheath plays an important role in interventional therapy.Disposable sterile catheter sheath particularly, be the external auxiliary consumptive material of cardiovascular intervention diagnosis and treatment, in PTCA plasty, catheter sheath is stayed in arteries, set up blood vessel and extraneous interface channel, to cardiovascular is got involved to contrast examination, cardiovascular expansion or placing rack.Catheter sheath conventionally mainly comprises sheath base and inserts the sheath pipe in sheath base, wherein because the wall thickness of the front and rear part of sheath base exists larger difference, (fore-end wall thickness is less, rear end part wall thickness is larger), for fear of in one-body molded process because fore-end carrys out too large pressure to sheath pipe racks, so be often designed to two of front and back at daily design mesotheca base, in design process, necessity has increased a set of die cost more like this.
Summary of the invention
The invention provides a kind of novel sterile catheter sheath, to solve the shortcoming of the cost increase being brought when prior art mesotheca base is designed to front and back two parts.
The technical scheme that the present invention takes is: a kind of sterile catheter sheath is provided, comprise sheath base, insert sheath pipe and sheath pipe lid in sheath base, described sheath base comprises fore-end and rear end part, described sheath base is in-built is equipped with a diaphragm seal, by sheath pipe lid, sealing sheet is pressed abd fixed on to the port of sheath base, it is characterized in that: also comprise a protecting pipe and annular steel cap, the opening part of described annular steel cap is trumpet type, sheath pipe box is on annular steel cap, and fore-end and the rear end part of described sheath base are formed in one.
Positive progressive effect of the present invention is: in the fore-end due to sheath base, be provided with an annular steel cap, annular steel cap can avoid the fore-end of sheath base sheath base when one-body molded to be extruded distortion to sheath pipe pressure sheath pipe excessive and that cause, and sheath pipe does not come off after guaranteeing to be shaped or while using.Overcome original integral forming process causing front end dimensional accuracy not or the larger shortcoming of rigging error that separately molding is assembled again because of extruding, conduit has been inserted unobstructed, dependability improves greatly, and this structural design has improved finished product yield.
Accompanying drawing explanation
Fig. 1 is the assembly structure schematic diagram of sterile catheter sheath of the present invention.
Fig. 2 is the decomposition texture schematic diagram of sterile catheter sheath of the present invention.
Fig. 3 is the assembly structure schematic diagram between middle annular steel cap, sheath pipe and the protecting pipe of sterile catheter sheath of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, provide preferred embodiment of the present invention, to describe technical scheme of the present invention in detail.
As shown in Figure 1-Figure 3, sterile catheter sheath of the present invention comprises sheath base 4, insert sheath pipe 1 and sheath pipe lid 6 in sheath base 4, sheath base 4 comprises fore-end 4a and rear end part 4b, fore-end 4a and rear end part 4b are formed in one, sheath base 4 is in-built is equipped with a diaphragm seal 5, by sheath pipe lid 6, sealing sheet 5 is pressed abd fixed on to the port of sheath base 4, also comprise a protecting pipe 2 and annular steel cap 3, the opening part of annular steel cap 3 is trumpet type, sheath pipe 1 is enclosed within on annular steel cap 3, the trumpet type of annular steel cap 3 forces the front end of sheath pipe 1 to become tubaeform type, before 4 molding of sheath base, protecting pipe 2 is enclosed within on sheath pipe 1, hold tightly and fixing sheath pipe 1, prevent that sheath pipe 1 from deviating from from annular steel cap 3.
In fore-end 4a due to sheath base 4 of the present invention, be provided with an annular steel cap 3, annular steel cap 3 can avoid the fore-end 4a of sheath base 4 sheath base when one-body molded to be extruded distortion to sheath pipe 1 pressure sheath pipe 1 excessive and that cause, and sheath pipe 1 does not come off after guaranteeing to be shaped or while using.。
Finally it should be noted that: above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: the technical scheme that its in description still can be recorded aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement, does not make the essence of appropriate technical solution depart from the spirit and scope of embodiment of the present invention technical scheme.
Claims (1)
1. a sterile catheter sheath, comprise sheath base (4), insert sheath pipe (1) and sheath pipe lid (6) in sheath base (4), described sheath base (4) comprises fore-end (4a) and rear end part (4b), the in-built diaphragm seal (5) that is equipped with of described sheath base (4), by sheath pipe lid (6), sealing sheet (5) is pressed abd fixed on to the port of sheath base (4), it is characterized in that: also comprise a protecting pipe (2) and annular steel cap (3), the opening part of described annular steel cap (3) is trumpet type, sheath pipe (1) is enclosed within on annular steel cap (3), fore-end (4a) and the rear end part (4b) of described sheath base (4) are formed in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410013488.1A CN103751900A (en) | 2014-01-13 | 2014-01-13 | Sterile catheter sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410013488.1A CN103751900A (en) | 2014-01-13 | 2014-01-13 | Sterile catheter sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103751900A true CN103751900A (en) | 2014-04-30 |
Family
ID=50519313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410013488.1A Pending CN103751900A (en) | 2014-01-13 | 2014-01-13 | Sterile catheter sheath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103751900A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105561463A (en) * | 2015-12-17 | 2016-05-11 | 邓朝胜 | Method for introducing sheath catheter into selective target organ under guidance of Swan-Ganz float catheter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1042661A (en) * | 1988-11-18 | 1990-06-06 | 爱德华韦克有限公司 | Haemostatic valve |
| CN200945181Y (en) * | 2006-08-30 | 2007-09-12 | 韩金声 | Thoracic and abdominal cavity trocar pucturing needle |
| CN201052327Y (en) * | 2007-06-19 | 2008-04-30 | 吴林元 | Soft quality catheter seat lien needle |
| CN102805892A (en) * | 2012-09-06 | 2012-12-05 | 张西坤 | Vessel catheter sheath assembly |
| CN202654521U (en) * | 2012-02-13 | 2013-01-09 | 北京迪玛克医药科技有限公司 | Medical vessel sheath |
-
2014
- 2014-01-13 CN CN201410013488.1A patent/CN103751900A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1042661A (en) * | 1988-11-18 | 1990-06-06 | 爱德华韦克有限公司 | Haemostatic valve |
| CN200945181Y (en) * | 2006-08-30 | 2007-09-12 | 韩金声 | Thoracic and abdominal cavity trocar pucturing needle |
| CN201052327Y (en) * | 2007-06-19 | 2008-04-30 | 吴林元 | Soft quality catheter seat lien needle |
| CN202654521U (en) * | 2012-02-13 | 2013-01-09 | 北京迪玛克医药科技有限公司 | Medical vessel sheath |
| CN102805892A (en) * | 2012-09-06 | 2012-12-05 | 张西坤 | Vessel catheter sheath assembly |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105561463A (en) * | 2015-12-17 | 2016-05-11 | 邓朝胜 | Method for introducing sheath catheter into selective target organ under guidance of Swan-Ganz float catheter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140430 |