CN106110435A - A kind of safety trocar - Google Patents
A kind of safety trocar Download PDFInfo
- Publication number
- CN106110435A CN106110435A CN201610465782.5A CN201610465782A CN106110435A CN 106110435 A CN106110435 A CN 106110435A CN 201610465782 A CN201610465782 A CN 201610465782A CN 106110435 A CN106110435 A CN 106110435A
- Authority
- CN
- China
- Prior art keywords
- rubber stopper
- pin
- sleeve
- branch sleeve
- sleeve 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.)
- Pending
Links
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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
-
- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
- A61M2005/1587—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body suitable for being connected to an infusion line after insertion into a patient
Abstract
The invention discloses a kind of safety trocar, including the sleeve pipe being connected and nook closing member, sleeve pipe includes body and branch sleeve, nook closing member includes the holding end that pin is connected with pin, branch sleeve one end connects with body, pin inserts from described branch sleeve and is placed in body, and described holding end snaps onto described branch sleeve end, and the needle point of described pin exposes described body end；Being installed with rubber stopper in the opening of described branch sleeve, rubber stopper has: pin runs through and when rubber stopper extracted by pin from rubber stopper, the elastic construction of the through hole energy ego resilience run through by pin in rubber stopper.By arranging rubber stopper on sleeve pipe, on the one hand nook closing member is placed in sleeve pipe through rubber stopper, have no effect on and be inserted in the lump in blood vessel, on the other hand, when nook closing member extract successively in sleeve pipe, rubber stopper make sleeve pipe stay blood vessel time, making to define a sealing effect in sleeve pipe, between rubber stopper owing to rubber stopper has resilient return function, blood cannot flow out from branch sleeve opening part, it is to avoid the risk of blood pollution medical personnel.
Description
Technical field
The present invention relates to medical treatment and nursing technical field, especially a kind of safety trocar.
Background technology
Traditional trocar includes sleeve pipe and nook closing member, and such as sleeve pipe 1 and the nook closing member 2 of Fig. 1 and Fig. 2, sleeve pipe 1 is to be enclosed within nook closing member 2
Upper one trocar of formation, the needle point of the nook closing member 2 of the trocar, when to patient injection blood vessel, is inserted blood with 15 degree of angles by nurse
Pipe, exits nook closing member 2 from blood vessel after seeing blood back in the backshank of nook closing member 2 again, and sleeve pipe 1 is all sent into Ink vessel transfusing, so
After connect tube for transfusion at the tail end of sleeve pipe 1, in this process, when nook closing member 2 exits, be not to close due to sleeve pipe 1, sleeve pipe
1 connects with branch sleeve 12, so that branch sleeve 12, define a passage, this passage between sleeve pipe 1 and blood vessel
It is not closed, so blood can easily cause the blood of patient through passage from branch sleeve 12 opening part flows out patient body
Running off and the occupational exposure of medical personnel, particularly when being punctured to arteries, the pressure ratio of tremulous pulse is maximum, and tremulous pulse is gushed
It is easier to, outflow patient body of gushing, causes more loss of blood of patient；On the other hand, when one day amount of infusion of a patient
When being totally lost, when within second day, continuing transfusion, now need reservation sleeve pipe 1 at Ink vessel transfusing, need to unload tube for transfusion, then Hu Shibi
Must load onto calparine cap at the tail end tube sealing of sleeve pipe 1, anti-Hemostatic Oral Liquid outbound flows, when removing tube for transfusion to patient, it is possible to cause
Blood outbound flows, it is also possible to pollute branch sleeve 12 end of sleeve pipe 1, vascular infection so may be caused to cause phlebitis,
And nurse increases calparine cap newly and too increases its workload.
Summary of the invention
For solving above-mentioned technical problem, the present invention provides a kind of when nook closing member exits, and can make between sleeve pipe and blood vessel
Passage self-closed, but do not affect the connection of transfusion device, nurse is also without the safety trocar being further added by calparine cap.
For achieving the above object, the present invention uses following technical scheme: a kind of safety trocar, including the set being connected
Pipe and nook closing member, sleeve pipe includes body and branch sleeve, and nook closing member includes the holding end that pin is connected, branch sleeve one end and pipe with pin
Body connects, and pin inserts from described branch sleeve and is placed in body, and described holding end snaps onto described branch sleeve end, described
The needle point of pin exposes described body end；Being installed with rubber stopper in the opening of described branch sleeve, rubber stopper has: pin from
Rubber stopper runs through and when rubber stopper extracted by pin, the elastic construction of the through hole energy ego resilience run through by pin in rubber stopper.
Described holding end is provided with elastic card towards the end face of pin, and corresponding is outside at described branch sleeve open end
Having chuck along expanding to stretch, elastic card and chuck clamping, described nook closing member is fastened on sleeve pipe by elastic card, chuck.
Also symmetrical along the tangent line on the described branch sleeve surface direction vertical with body it is provided with fin, on described fin
Offer through hole.Arranging of fin is convenient when the trocar is inserted blood vessel, and the trocar can be pressed by medical personnel by fin
On arm, thus conveniently carry out transfusion operation, and this fin is on the tangent line on the surface being located at branch sleeve so that transfusion
Time, with arm laminating be fin rather than the branch sleeve on the face of cylinder of horizontal plane, so can make to press more uniform, make
Transfusion is preferably carried out；And the trocar is fixed on skin, particularly by the passing of medical treatment suture that be provided by of through hole
Medical treatment suture is sewn on skin through through hole, prevents the trocar from coming off, and this, can be more with through hole for having the patient of restless disease
Good fixes.
Described rubber stopper includes the fixing cock body filling up in the opening of branch sleeve, and described cock body exposes branch sleeve
The part of opening have plug edge to surrounding along stretching, described plug is along the opening port being bonded in branch sleeve.By this knot
Structure, can more ensure that rubber stopper is fixed on branch sleeve open end under the effect of external force and will not produce displacement, improve
The security performance of product.
The present invention compared with prior art, has the advantage that on the one hand nook closing member is worn by arranging rubber stopper on sleeve pipe
Cross rubber stopper to be placed in sleeve pipe, have no effect on and be inserted in the lump in blood vessel, on the other hand, when nook closing member is in sleeve pipe, rubber stopper
In extract when making sleeve pipe stay blood vessel successively, make in sleeve pipe owing to rubber stopper has resilient return function, rubber stopper it
Between define a sealing effect, blood cannot flow out from branch sleeve opening part, it is to avoid blood pollutes the wind of medical personnel
Danger, and this rubber stopper also can insert for the transfusion end of tube for transfusion, thereby ensure that puncture, change the seriality of liquid, transfusion, it is not necessary to
Medical personnel are replaced associated components again, it is to avoid frequent replacing easily causes the possibility of infection risk.
Accompanying drawing explanation
Fig. 1 is sleeve pipe and nook closing member decomposition texture schematic diagram；
Fig. 2 is that nook closing member inserts sleeve structure schematic diagram；
Fig. 3 is nook closing member, rubber stopper and sleeve pipe decomposition texture schematic diagram ()；
Fig. 4 is nook closing member, rubber stopper and sleeve pipe decomposition texture schematic diagram (two)；
Fig. 5 is nook closing member, rubber stopper and sleeve combination structural representation；
Fig. 6 is the embodiment of the present invention two structural representation.
Detailed description of the invention
With detailed description of the invention, present disclosure is described in further details below in conjunction with the accompanying drawings.
Embodiment one:
Referring to shown in Fig. 3 to Fig. 5, a kind of safety trocar, including the sleeve pipe 1 being connected and nook closing member 2, sleeve pipe 1 includes
Body 11 and branch sleeve 12, nook closing member 2 includes the holding end 22 that pin 21 is connected, branch sleeve 12 one end and body 11 with pin 21
Connection, pin 21 inserts from branch sleeve 12 and is placed in body 11, and holding end 22 snaps onto branch sleeve 12 end, the pin of pin 21
Point exposes body 11 end；Being fixedly provided with rubber stopper 3 in the opening of branch sleeve 12, rubber stopper 3 has: pin 21 is from rubber
Plug 3 runs through and when rubber stopper 3 extracted by pin 21, the elastic construction of the through hole energy ego resilience run through by pin 21 in rubber stopper 3.
Rubber stopper 3 outer surface of the present embodiment is connected with the inwall tight bond of branch sleeve 12, to ensure that rubber stopper 3 is by outer masterpiece
With also producing displacement in branch sleeve 12.
Holding end 22 is provided with elastic card 221 towards the end face of pin 21, corresponding branch sleeve 12 open end to
Outer is expanded to stretch chuck 121, and elastic card 221 and chuck 121 clamping, nook closing member 2 is by elastic card 221, chuck 121 and sleeve pipe
1 clamping.
Further, what direction that tangent line along branch sleeve 12 surface is vertical with body 11 was also symmetrical is provided with fin 13,
Fin 13 offers through hole 131.When the trocar is inserted blood vessel, the trocar can be pressed against by medical personnel by fin
On arm, thus conveniently carry out transfusion operation, and this fin be on the tangent line on the surface being located at branch sleeve so that during transfusion,
With arm laminating be fin rather than the branch sleeve on the face of cylinder of horizontal plane, so can make to press more uniform, make defeated
Liquid is preferably carried out；And the trocar is fixed on skin by the passing of medical treatment suture that be provided by of through hole, particularly cure
Treating suture to be sewn on skin through through hole, prevent the trocar from coming off, this is for having the patient of restless disease, can be more preferably with through hole
Fix.
Embodiment two:
Incorporated by reference to shown in Fig. 6, other structures of the present embodiment are identical with embodiment one, and difference is, the structure of rubber stopper 3,
Rubber stopper 3 includes the fixing cock body 31 filling up in the opening of branch sleeve 12, and cock body 31 exposes the opening of branch sleeve 12
The part of end has plug along 32 to surrounding along stretching, and fills in along 32 tight bond at the opening port of branch sleeve 12.By this knot
Structure, can more ensure that rubber stopper 3 will not produce displacement under the effect of external force.Improve the security performance of product.
Above-listed detailed description is illustrating for possible embodiments of the present invention, and this embodiment also is not used to limit this
Bright the scope of the claims, all equivalences done without departing from the present invention are implemented or change, are intended to be limited solely by the scope of the claims of this case.
Claims (4)
1. a safety trocar, including the sleeve pipe (1) being connected and nook closing member (2), it is characterised in that: sleeve pipe (1) includes body
(11) and branch sleeve (12), nook closing member (2) includes the holding end (22) that pin (21) is connected, branch sleeve (12) with pin (21)
End connects with body (11), and pin (21) inserts from described branch sleeve (12) and is placed in body (11), described holding end (22)
Snapping onto described branch sleeve (12) end, the needle point of described pin (21) exposes described body (11) end；At described adapter sleeve
Being installed with rubber stopper (3) in the opening of cylinder (12), rubber stopper (3) has: pin (21) runs through from rubber stopper (3) and works as pin
(21) when extracting rubber stopper (3), the elastic construction of the through hole energy ego resilience run through by pin (21) in rubber stopper (3).
2. safety trocar as claimed in claim 1, it is characterised in that: described holding end (22) is towards on the end face of pin (21)
Be provided with elastic card (221), corresponding expand to stretch to outer at described branch sleeve (12) open end have chuck (121), elastic
Card (221) and chuck (121) clamping, described nook closing member (2) is by elastic card (221), chuck (121) and sleeve pipe (1) clamping.
3. safety trocar as claimed in claim 1, it is characterised in that: along tangent line and the pipe on described branch sleeve (12) surface
What the vertical direction of body (11) was also symmetrical is provided with fin (13), offers through hole (131) on described fin (13).
4. safety trocar as claimed in claim 1, it is characterised in that: described rubber stopper (3) includes fixing filling up in connection
Cock body (31) in the opening of sleeve (12), described cock body (31) exposes the part of the opening of branch sleeve (12) to surrounding
Plug is had to be bonded in the opening port of branch sleeve (12) along (32) along (32), described plug along stretching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610465782.5A CN106110435A (en) | 2016-06-22 | 2016-06-22 | A kind of safety trocar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610465782.5A CN106110435A (en) | 2016-06-22 | 2016-06-22 | A kind of safety trocar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106110435A true CN106110435A (en) | 2016-11-16 |
Family
ID=57269423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610465782.5A Pending CN106110435A (en) | 2016-06-22 | 2016-06-22 | A kind of safety trocar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106110435A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107596465A (en) * | 2017-10-23 | 2018-01-19 | 山东汉方生物科技有限公司 | Slow wound negative pressure therapeutic instrument |
| CN110051898A (en) * | 2019-06-10 | 2019-07-26 | 端源医疗科技无锡有限公司 | Trochar is used in disposable dialysis |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4728322A (en) * | 1986-02-05 | 1988-03-01 | Menlo Care, Inc. | Adjustable catheter assembly |
| JP2004290473A (en) * | 2003-03-27 | 2004-10-21 | Jms Co Ltd | Medical purpose rubber stopper and container |
| CN201001862Y (en) * | 2007-02-27 | 2008-01-09 | 何美清 | Needle core with side hole disposable pleuroperitoneal cavity puncture drainage device |
| CN101511409A (en) * | 2006-09-19 | 2009-08-19 | 株式会社Jms | Medical needle device |
| CN201492793U (en) * | 2009-08-24 | 2010-06-02 | 王国强 | Reverse flow resistant indwelling needle |
| CN202665540U (en) * | 2012-05-21 | 2013-01-16 | 台州康龙医药包装有限公司 | Hemostix butyl rubber plug |
| CN203634624U (en) * | 2012-11-30 | 2014-06-11 | 尼普洛株式会社 | Remaining needle component |
| CN205795779U (en) * | 2016-06-22 | 2016-12-14 | 南方医科大学南方医院 | A kind of safety trocar |
-
2016
- 2016-06-22 CN CN201610465782.5A patent/CN106110435A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4728322A (en) * | 1986-02-05 | 1988-03-01 | Menlo Care, Inc. | Adjustable catheter assembly |
| JP2004290473A (en) * | 2003-03-27 | 2004-10-21 | Jms Co Ltd | Medical purpose rubber stopper and container |
| CN101511409A (en) * | 2006-09-19 | 2009-08-19 | 株式会社Jms | Medical needle device |
| CN201001862Y (en) * | 2007-02-27 | 2008-01-09 | 何美清 | Needle core with side hole disposable pleuroperitoneal cavity puncture drainage device |
| CN201492793U (en) * | 2009-08-24 | 2010-06-02 | 王国强 | Reverse flow resistant indwelling needle |
| CN202665540U (en) * | 2012-05-21 | 2013-01-16 | 台州康龙医药包装有限公司 | Hemostix butyl rubber plug |
| CN203634624U (en) * | 2012-11-30 | 2014-06-11 | 尼普洛株式会社 | Remaining needle component |
| CN205795779U (en) * | 2016-06-22 | 2016-12-14 | 南方医科大学南方医院 | A kind of safety trocar |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107596465A (en) * | 2017-10-23 | 2018-01-19 | 山东汉方生物科技有限公司 | Slow wound negative pressure therapeutic instrument |
| CN110051898A (en) * | 2019-06-10 | 2019-07-26 | 端源医疗科技无锡有限公司 | Trochar is used in disposable dialysis |
| CN110051898B (en) * | 2019-06-10 | 2024-01-26 | 端源医疗科技无锡有限公司 | Disposable trocar for dialysis |
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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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161116 |
|
| WD01 | Invention patent application deemed withdrawn after publication |