CN200994804Y - Pericardiocentesis canula needle - Google Patents
Pericardiocentesis canula needle Download PDFInfo
- Publication number
- CN200994804Y CN200994804Y CN 200620132265 CN200620132265U CN200994804Y CN 200994804 Y CN200994804 Y CN 200994804Y CN 200620132265 CN200620132265 CN 200620132265 CN 200620132265 U CN200620132265 U CN 200620132265U CN 200994804 Y CN200994804 Y CN 200994804Y
- Authority
- CN
- China
- Prior art keywords
- needle
- trocar
- closing member
- trocar sheath
- nook closing
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a pericardium catheter pipe needle, which comprises an outer sleeve tube, and a needle core. The utility model is characterized in that the front end of the outer sleeve tube adopts a flat end orifice, the needle point of the needle core adopts a cone shaped needle point, and a handle is arranged at the rear end of the needle core.
Description
Technical field:
This utility model relates to a kind of medical apparatus and instruments, is a kind of trocar that is used for medical puncturing specifically, specifically is applied to paracentesis pericardii.
Background technology:
Puncture for treating causes wound little as a kind of Therapeutic Method to the patient, and effect is better.But, there is certain risk because puncture can not directly detect enforcement by people's naked eyes.Present puncture mainly comprises trocar sheath and nook closing member with pin, and for the ease of piercing through human body, the trocar sheath end is beveling needle-like often, also is beveled point with the needle point of the corresponding nook closing member of trocar sheath.Acicular texture has effect preferably for organ diseases such as treatment breast, abdominal cavities, but when pericardium generation pathological changes, because because pericardium and heart paste nearerly mutually, and heart is easypro when contracting pericardium and heart spacing constantly change, very easily make puncture needle stab heart, increased the danger of puncture.
Summary of the invention:
This utility model aims to provide a kind of novel paracentesis trocar, overcomes above-mentioned shortcoming, and is safe and reliable, easy to use.
This utility model is achieved by the following scheme: a kind of paracentesis pericardii trocar, comprise trocar sheath, nook closing member, and described trocar sheath front end is smooth port, and the needle point of nook closing member is the taper needle point, and end is provided with handle.
The described trocar sheath end of the aforesaid paracentesis pericardii trocar be provided with can be corresponding with syringe pullover.
The beneficial effects of the utility model are: because trocar sheath is smooth port, so heart can not stabbed, safety improves greatly.In addition and since the trocar sheath end be provided with can with syringe, corresponding is pullover, so more convenient when using.
Description of drawings:
Fig. 1: this utility model structural representation
Fig. 2: this utility model nook closing member structural representation
Fig. 3: this utility model outer sleeve structure sketch map
Wherein: 4-is pullover for 1-trocar sheath 2-nook closing member 3-handle
Below in conjunction with the specific embodiment of this utility model of description of drawings, but not as the qualification to summary of the invention:
The specific embodiment:
As shown in Figure 1, 2, 3, a kind of paracentesis pericardii trocar comprises trocar sheath 1, nook closing member 2, and described trocar sheath 1 front end is smooth port, and the needle point of nook closing member 2 is the taper needle point, and the end of nook closing member 2 is provided with handle 3.Described trocar sheath 1 end of the aforesaid paracentesis pericardii trocar be provided with can be corresponding with syringe pullover 4.During use, puncture under ultrasonic surveillance, nook closing member 2 stings pericardium when outer, and rotary handle punctures the pericardium skin, and nook closing member 2 retreats, and pushes ahead trocar sheath 1 and the sense of breakthrough is arranged, and trocar sheath 1 is pushed pericardial cavity, withdraws from nook closing member 2, as required drawing liquid or injection or put pipe.Because trocar sheath 1 is smooth port, so heart can not stabbed.
Claims (2)
1, a kind of paracentesis pericardii trocar comprises trocar sheath, nook closing member, it is characterized in that described trocar sheath front end is smooth port, and the needle point of nook closing member is the taper needle point, and end is provided with handle.
2, the paracentesis pericardii trocar according to claim 1 is characterized in that, described trocar sheath end be provided with can be corresponding with syringe pullover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620132265 CN200994804Y (en) | 2006-08-16 | 2006-08-16 | Pericardiocentesis canula needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620132265 CN200994804Y (en) | 2006-08-16 | 2006-08-16 | Pericardiocentesis canula needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200994804Y true CN200994804Y (en) | 2007-12-26 |
Family
ID=38993217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620132265 Expired - Fee Related CN200994804Y (en) | 2006-08-16 | 2006-08-16 | Pericardiocentesis canula needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200994804Y (en) |
-
2006
- 2006-08-16 CN CN 200620132265 patent/CN200994804Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: CO-PATENTEE TO: CHU ZHAOYING ^ |
|
| CU01 | Correction of utility model patent |
Correction item: Co-patentee Correct: Chu Zhaoying Number: 52 Page: The title page Volume: 23 |
|
| CU03 | Correction of utility model patent gazette |
Correction item: Co-patentee Correct: Chu Zhaoying Number: 52 Volume: 23 |
|
| ERR | Gazette correction |
Free format text: CORRECT: CO-PATENTEE; FROM: NONE ^ TO: CHU ZHAOYING ^ |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071226 Termination date: 20090916 |