CA2445902A1 - Catheter insertion device with retractable needle - Google Patents
Catheter insertion device with retractable needle Download PDFInfo
- Publication number
- CA2445902A1 CA2445902A1 CA002445902A CA2445902A CA2445902A1 CA 2445902 A1 CA2445902 A1 CA 2445902A1 CA 002445902 A CA002445902 A CA 002445902A CA 2445902 A CA2445902 A CA 2445902A CA 2445902 A1 CA2445902 A1 CA 2445902A1
- Authority
- CA
- Canada
- Prior art keywords
- catheter
- needle
- medical device
- housing
- sharpened tip
- 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
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
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/06—Body-piercing guide needles or the like
- A61M25/0612—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders
- A61M25/0631—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders having means for fully covering the needle after its withdrawal, e.g. needle being withdrawn inside the handle or a cover being advanced over the needle
-
- 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
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
- A61M5/321—Means for protection against accidental injuries by used needles
- A61M5/322—Retractable needles, i.e. disconnected from and withdrawn into the syringe barrel by the piston
- A61M5/3234—Fully automatic needle retraction, i.e. in which triggering of the needle does not require a deliberate action by the user
Abstract
A catheter insertion device (10) is provided for inserting an over-the-needle catheter (70). The device includes an insertion needle (45) that is retractable into the housing (20) of the device after use to prevent exposure to the contaminated needle. A needle retainer (60) releasably retains the needle in an extended position against the rearward bias of a biasing element (80). The needle retainer (60) engages the hub (72) of the catheter so that when the catheter (70) is removed from the insertion device (10), the needle retainer automatically releases the needle. The biasing element (80) then propels the needle (45) rearwardly into the housing (20) of the device. A
method for inserting a catheter is also provided, in which the needle is hooded by the catheter during the insertion procedure.
method for inserting a catheter is also provided, in which the needle is hooded by the catheter during the insertion procedure.
Claims (31)
1. A medical device, comprising:
a hollow housing;
a needle having a sharpened tip operable between a projecting position in which the sharpened tip projects forwardly from the housing and a retracted position in which the sharpened tip is enclosed within the housing;
a biasing element biasing the needle toward the retracted position;
a catheter telescopingly engaging the needle, wherein the catheter is operable in three positions: a mounted position in which the catheter engages the needle such that the sharpened tip of the catheter projects forwardly from the catheter; a sheathed position displaced axially forwardly of the mounted position so that the catheter sheathes the sharpened tip of the needle; and a removed position in which the catheter is removed from the needle;
a lock releasably locking the catheter in the sheathed position;
wherein displacing the catheter from the sheathed position to the removed position operates to release the needle so that the biasing element displaces the needle into the retracted position.
a hollow housing;
a needle having a sharpened tip operable between a projecting position in which the sharpened tip projects forwardly from the housing and a retracted position in which the sharpened tip is enclosed within the housing;
a biasing element biasing the needle toward the retracted position;
a catheter telescopingly engaging the needle, wherein the catheter is operable in three positions: a mounted position in which the catheter engages the needle such that the sharpened tip of the catheter projects forwardly from the catheter; a sheathed position displaced axially forwardly of the mounted position so that the catheter sheathes the sharpened tip of the needle; and a removed position in which the catheter is removed from the needle;
a lock releasably locking the catheter in the sheathed position;
wherein displacing the catheter from the sheathed position to the removed position operates to release the needle so that the biasing element displaces the needle into the retracted position.
2. The medical device of claim 1 comprising a needle retainer releasably retaining the needle against the bias of the biasing element, wherein the needle retainer operatively engages the catheter.
3. The medical device of claim 2 wherein the needle retainer is a radially deformable arm.
4. The medical device of claim 2 wherein the needle retainer is fixedly connected to the needle.
5. The medical device of claim 2 wherein the lock is integrally formed with the needle retainer.
6. The medical device of claim 2 wherein the needle retainer comprises a shoulder engaging the housing when the catheter is disposed in the mounted position.
7. The medical device of claim 6 wherein the housing comprises a lip cooperable with the shoulder on the needle retainer.
8. The medical device of claim 1 wherein the lock is a one-way lock substantially impeding displacement of the catheter from the sheathed position to the mounted position, while allowing displacement of the catheter from the sheathed position to the removed position.
9. The medical device of claim 8 wherein the lock comprises a latch cooperable with the catheter.
10. The medical device of claim 1 comprising a needle hub fixedly attached to the needle, wherein the needle hub comprises a nose piece configured to cooperate with the catheter.
11. The medical device of claim 10 wherein the catheter comprises a hub having an internal cavity configured to cooperate with the nose piece, and the catheter hub engages the nose piece when the catheter is disposed in the mounted position.
12. The medical device of claim 10 wherein the needle hub comprises a cavity in fluid communication with the needle.
13. The medical device of claim 1 wherein the catheter comprises a flange cooperable with the lock to impede displacement of the catheter from the sheathed position to the mounted position.
14. A medical device; comprising:
a hollow housing;
a needle having a sharpened tip operable in a projecting position which tip projects forwardly from the housing and a retracted position in which the sharpened tip is enclosed within the housing;
a biasing element biasing the needle toward the retracted position;
a catheter telescopingly engaging the needle, wherein the catheter is operable in three positions: a mounted position in which the catheter engages the needle such that the sharpened tip of the catheter projects forwardly from the catheter; a sheathed position displaced axially forwardly of the mounted position so that the catheter sheathes the sharpened tip of the needle; and a removed position in which the catheter is removed from the needle;
a radially deformable arm releasably maintaining the needle in the projecting position against the bias of the biasing element, wherein the arm comprises:
a first recess cooperable with the catheter when the catheter is disposed in the mounted position; and a second recess cooperable with the catheter when the catheter is disposed in the sheathed position;
wherein displacing the catheter from the sheathed position to the removed position operates to release the needle so that the biasing element displaces the needle into the retracted position.
a hollow housing;
a needle having a sharpened tip operable in a projecting position which tip projects forwardly from the housing and a retracted position in which the sharpened tip is enclosed within the housing;
a biasing element biasing the needle toward the retracted position;
a catheter telescopingly engaging the needle, wherein the catheter is operable in three positions: a mounted position in which the catheter engages the needle such that the sharpened tip of the catheter projects forwardly from the catheter; a sheathed position displaced axially forwardly of the mounted position so that the catheter sheathes the sharpened tip of the needle; and a removed position in which the catheter is removed from the needle;
a radially deformable arm releasably maintaining the needle in the projecting position against the bias of the biasing element, wherein the arm comprises:
a first recess cooperable with the catheter when the catheter is disposed in the mounted position; and a second recess cooperable with the catheter when the catheter is disposed in the sheathed position;
wherein displacing the catheter from the sheathed position to the removed position operates to release the needle so that the biasing element displaces the needle into the retracted position.
15. The medical device of claim 14 wherein the second recess is separate from the first recess.
16. The medical device of claim 14 comprising a wall separating the first recess from the second recess.
17. The medical device of claim 16 comprising a tapered surface between the wall and the first recess.
18. The medical device of claim 16 wherein the wall forms a stop cooperable with the catheter to substantially impede displacement of the catheter from the sheathed position to the mounted position.
19. The medical device of claim 14 wherein the arm is biased radially inwardly.
20. The medical device of claim 14 wherein the catheter impedes radial displacement of the arm while the catheter is in engagement with the arm.
21. The medical device of claim 20 wherein upon disengagement of the catheter from the arm, the arm displaces radially inwardly to release the needle for retraction.
22. The medical device of claim 20 wherein the arm releasably engages the housing to retain the needle in the projecting position.
23. The medical device of claim 14 comprising a needle hub fixedly attached to the needle, wherein the needle hub comprises a nose piece configured to cooperate with the catheter.
24. The medical device of claim 23 wherein the catheter comprises a hub having an internal cavity configured to cooperate with the nose piece, and the catheter hub engages the nose piece when the catheter is disposed in the mounted position.
25. The medical device of claim 23 wherein the needle hub comprises a cavity in fluid communication with the needle.
26. The medical device of claim 14 wherein the arm comprises a shoulder engaging the housing when the catheter is disposed in the mounted position.
27. The medical device of claim 26 wherein the housing comprises a lip cooperable with the shoulder on the arm.
28. A method for inserting a catheter into a patient, providing the steps of:
providing a catheter insertion device having a housing and a needle with a sharpened tip for inserting the catheter;
piercing a patient with the sharpened tip of the needle;
advancing the catheter relative to the needle so that the catheter sheathes the sharpened tip;
releasably locking the catheter in the advanced position to impede rearward displacement of the catheter relative to the needle;
inserting the advanced catheter into the patient; and shielding the needle so that the sharpened tip of the needle is shielded after use.
providing a catheter insertion device having a housing and a needle with a sharpened tip for inserting the catheter;
piercing a patient with the sharpened tip of the needle;
advancing the catheter relative to the needle so that the catheter sheathes the sharpened tip;
releasably locking the catheter in the advanced position to impede rearward displacement of the catheter relative to the needle;
inserting the advanced catheter into the patient; and shielding the needle so that the sharpened tip of the needle is shielded after use.
29. The method of claim 28 wherein the step of shielding comprises retracting the needle so that the sharpened tip is retracted into the housing to shield the sharpened tip after use.
30. The method of claim 28 wherein the step of shielding comprises the step of automatically retracting the needle in response to displacement of the catheter relative to the needle.
31. The method of claim 28 wherein the step of inserting the advanced catheter comprises inserting the catheter and the sheathed needle together into the patient to insert substantially the length of the catheter into the patient.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/845,817 US6461362B1 (en) | 2001-04-30 | 2001-04-30 | Catheter insertion device with retractable needle |
| US09/845,817 | 2001-04-30 | ||
| PCT/US2002/008885 WO2002087659A2 (en) | 2001-04-30 | 2002-03-21 | Catheter insertion device with retractable needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2445902A1 true CA2445902A1 (en) | 2002-11-07 |
| CA2445902C CA2445902C (en) | 2009-11-24 |
Family
ID=25296149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002445902A Expired - Lifetime CA2445902C (en) | 2001-04-30 | 2002-03-21 | Catheter insertion device with retractable needle |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US6461362B1 (en) |
| EP (1) | EP1389991B1 (en) |
| AT (1) | ATE466618T1 (en) |
| AU (1) | AU2002250406B2 (en) |
| BR (1) | BR0209236B1 (en) |
| CA (1) | CA2445902C (en) |
| DE (1) | DE60236272D1 (en) |
| MX (1) | MXPA03009944A (en) |
| WO (1) | WO2002087659A2 (en) |
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| WO2019173641A1 (en) | 2018-03-07 | 2019-09-12 | Bard Access Systems, Inc. | Guidewire advancement and blood flashback systems for a medical device insertion system |
| US20190381235A1 (en) * | 2018-06-19 | 2019-12-19 | Aadi Innovations LLC | Vascular access catheter with protectable inline needle and associated method of use thereof |
| US11291755B2 (en) * | 2018-06-19 | 2022-04-05 | Aadi Innovations LLC | Arteriovenous access catheter with protectable inline needle |
| USD921884S1 (en) | 2018-07-27 | 2021-06-08 | Bard Access Systems, Inc. | Catheter insertion device |
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| CN116784892B (en) * | 2023-05-22 | 2023-11-03 | 南昌大学第一附属医院 | Automatic synovial biopsy sampling combined device and application method thereof |
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-
2001
- 2001-04-30 US US09/845,817 patent/US6461362B1/en not_active Expired - Lifetime
-
2002
- 2002-03-21 AU AU2002250406A patent/AU2002250406B2/en not_active Expired
- 2002-03-21 DE DE60236272T patent/DE60236272D1/en not_active Expired - Lifetime
- 2002-03-21 EP EP02719316A patent/EP1389991B1/en not_active Expired - Lifetime
- 2002-03-21 BR BRPI0209236-0A patent/BR0209236B1/en not_active IP Right Cessation
- 2002-03-21 CA CA002445902A patent/CA2445902C/en not_active Expired - Lifetime
- 2002-03-21 WO PCT/US2002/008885 patent/WO2002087659A2/en not_active Application Discontinuation
- 2002-03-21 AT AT02719316T patent/ATE466618T1/en not_active IP Right Cessation
- 2002-03-21 MX MXPA03009944A patent/MXPA03009944A/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| EP1389991B1 (en) | 2010-05-05 |
| BR0209236B1 (en) | 2011-11-16 |
| AU2002250406B2 (en) | 2006-11-09 |
| BR0209236A (en) | 2004-06-15 |
| CA2445902C (en) | 2009-11-24 |
| WO2002087659A3 (en) | 2003-12-18 |
| US6461362B1 (en) | 2002-10-08 |
| US20020161386A1 (en) | 2002-10-31 |
| ATE466618T1 (en) | 2010-05-15 |
| EP1389991A4 (en) | 2005-09-21 |
| DE60236272D1 (en) | 2010-06-17 |
| MXPA03009944A (en) | 2004-01-29 |
| WO2002087659A2 (en) | 2002-11-07 |
| EP1389991A2 (en) | 2004-02-25 |
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| Date | Code | Title | Description |
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| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20220321 |