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NZ757737B2 - Systems and methods to detect catheter occlusion - Google Patents
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NZ757737B2 - Systems and methods to detect catheter occlusion - Google Patents

Systems and methods to detect catheter occlusion

Info

Publication number
NZ757737B2
NZ757737B2 NZ757737A NZ75773718A NZ757737B2 NZ 757737 B2 NZ757737 B2 NZ 757737B2 NZ 757737 A NZ757737 A NZ 757737A NZ 75773718 A NZ75773718 A NZ 75773718A NZ 757737 B2 NZ757737 B2 NZ 757737B2
Authority
NZ
New Zealand
Prior art keywords
catheter
intravenous
housing
jvs
electrical signal
Prior art date
Application number
NZ757737A
Other versions
NZ757737A (en
Inventor
S Ray Isaacson
Erik K Witt
Original Assignee
Becton Dickinson And Company
Filing date
Publication date
Priority claimed from US15/477,291 external-priority patent/US11497848B2/en
Application filed by Becton Dickinson And Company filed Critical Becton Dickinson And Company
Publication of NZ757737A publication Critical patent/NZ757737A/en
Publication of NZ757737B2 publication Critical patent/NZ757737B2/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B2017/00017—Electrical control of surgical instruments
    • A61B2017/00115—Electrical control of surgical instruments with audible or visual output
    • A61B2017/00119—Electrical control of surgical instruments with audible or visual output alarm; indicating an abnormal situation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/08—Accessories or related features not otherwise provided for
    • A61B2090/0807—Indication means
    • A61B2090/081—Indication means for contamination or dirt
    • 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
    • A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
    • A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
    • A61M2005/16863—Occlusion detection
    • 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
    • A61M2025/0019—Cleaning catheters or the like, e.g. for reuse of the device, for avoiding replacement
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3331—Pressure; Flow
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/35—Communication
    • A61M2205/3576—Communication with non implanted data transmission devices, e.g. using external transmitter or receiver
    • A61M2205/3592—Communication with non implanted data transmission devices, e.g. using external transmitter or receiver using telemetric means, e.g. radio or optical transmission
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/50—General characteristics of the apparatus with microprocessors or computers
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/58—Means for facilitating use, e.g. by people with impaired vision
    • 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
    • A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
    • A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H20/00—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance
    • G16H20/10—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to drugs or medications, e.g. for ensuring correct administration to patients
    • G16H20/17—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to drugs or medications, e.g. for ensuring correct administration to patients delivered via infusion or injection

Abstract

system to detect occlusion of an intravenous catheter may include a housing, which may include a distal end configured to couple to a proximal end of a catheter adapter and an inner lumen forming a fluid pathway. The system may also include a wave transmitter, a transducer disposed within the fluid pathway, a processor coupled to the transducer, and an indicator unit coupled to the processor. The wave transmitter may transmit energy waves along a length of an intravenous catheter of the catheter adapter. The processor may receive an electrical signal corresponding to the portion of the energy waves that are reflected back from the intravenous catheter and may determine a difference between the electrical signal and a baseline signal. In response to the difference between the electrical signal and the baseline signal meeting a threshold value, the indicator unit may alert a user.

Claims (28)

1. A system to detect occlusion of an intravenous catheter, comprising: a catheter adapter having a proximal end and a distal end; a catheter that extends distally from the distal end of the catheter adapter; a housing having a proximal end, a distal end, and a wall comprising an inner surface forming an inner lumen of the housing that extends between the proximal end of the g and the distal end of the housing to thereby provide a fluid pathway that extends through an inner lumen of the catheter and an inner lumen of the er adapter when the housing is coupled to the catheter adapter; one or more transmitters positioned in the wall, the one or more itters emitting omagnetic s into the inner lumen of the housing and along a length of the catheter in a distal direction; one or more transducers that e the electromagnetic signals after the electromagnetic signals have been reflected by the catheter; and a sor that analyses the reflected electromagnetic signals to detect when the reflected electromagnetic signals indicate that the catheter of the catheter adapter is occluded.
2. The system of claim 1, wherein the housing is integral to the catheter adapter.
3. The system of claim 1, wherein the housing is separate from but connectable to the catheter adapter.
4. The system of any of claims 1 to 3, wherein a distal end of the catheter includes one or more facets, outer , inner curved portions, or outer curved portions to improve the reflection of the electromagnetic signals.
5. The system of any one of the preceding claims as substantially shown and described herein.
6. A method of detecting occlusion of an enous catheter, comprising: a sor transmitting, via an ultrasonic transducer, ultrasonic waves along a length of an intravenous catheter; the ultrasonic ucer detecting a portion of the ultrasonic waves that are reflected back from the intravenous catheter and converting the portion into a corresponding electrical signal; the processor receiving the electrical signal via the ultrasonic transducer; the processor comparing the electrical signal to a baseline signal to determine a difference between the electrical signal and the baseline signal; and the processor, in response to the difference between the electrical signal and the baseline signal meeting a threshold value, alerting a user, wherein the ultrasonic ucer is comprised in a housing; wherein the housing is coupled to the intravenous catheter and includes a distal end, a proximal end, and an inner lumen forming a fluid pathway ing between the distal end and the proximal end of the housing; n the distal end of the g is configured to couple to a proximal end of a catheter adapter, and the fluid pathway is communicated with an inner lumen of the catheter adapter, and the intravenous er extends distally from a distal end of the catheter adapter; and wherein propagation of the ultrasonic waves provide a ion of fluid within the fluid pathway, and wherein the step of detecting the portion of the ultrasonic waves that are reflected back from the intravenous catheter comprises detecting a change in the vibration of fluid within the fluid pathway in response to the presence of one or more occlusions within the intravenous catheter.
7. The method of claim 6, n the ultrasonic transducer is encapsulated in a wall of the housing.
8. The method of claim 6 or claim 7, wherein the ultrasonic transducer comprises a piezoelectric element.
9. The method of any one of claims 6 to 8, n an outer surface of a distal tip of the enous catheter comprises a ity of facets.
10. The method of any one of claims 6 to 9, further comprising the processor determining the baseline signal, n determining the baseline signal comprises transmitting, via the ultrasonic transducer, the ultrasonic waves along the length of the intravenous catheter when the intravenous catheter is unoccluded and converting a portion of the ultrasonic waves that are reflected back from the intravenous er to the baseline signal.
11. The method of claim 10, wherein determining the baseline signal is performed prior to transmitting, via the ultrasonic transducer, the ultrasonic waves along the length of the intravenous catheter when the intravenous catheter coupled to the catheter adapter and ting the portion of the ultrasonic waves that are reflected back from the intravenous catheter to the corresponding electrical signal.
12. The method of claim 6, wherein a wall g an inner lumen of the intravenous catheter comprises one or more inner curved portions that extend proximally from a portion of a distal tip of the intravenous catheter configured to contact an introducer .
13. The method of claim 6, wherein a wall forming an inner lumen of the intravenous catheter comprises a plurality of facets.
14. The method of any one of claims 6 to 13 as substantially shown and described herein.
15. A system to detect occlusion of an intravenous er, comprising: a wave transmitter, wherein the wave transmitter transmits energy waves along a length of an intravenous catheter coupled to a catheter adapter; a housing comprising a transducer, n the ucer detects a portion of the energy waves corresponding to the energy waves that are reflected back from the intravenous er; a processor coupled to the transducer, wherein the processor receives an electrical signal corresponding to the portion of the energy waves that are reflected back from the intravenous catheter and compares the electrical signal to a baseline signal to determine a difference between the electrical signal and the ne signal; and an indicator unit coupled to the processor, wherein in response to the difference between the electrical signal and the baseline signal meeting a threshold value, the indicator unit alerts a user, n the housing includes a distal end, a proximal end, and an inner lumen g a fluid pathway extending between the distal end and the proximal end of the housing; wherein the distal end of the housing is configured to couple to a proximal end of a catheter adapter, and the fluid pathway is communicated with an inner lumen of the catheter adapter, and the intravenous catheter extends distally from a distal end of the catheter adapter; and wherein propagation of the energy waves provide a vibration of fluid within the fluid pathway, and wherein the detecting the n of the energy waves that are reflected back from the intravenous catheter comprises detecting a change in the vibration of fluid within the fluid pathway in response to the ce of one or more occlusions within the intravenous catheter.
16. The system of claim 15, wherein the ucer comprises an ultrasonic transducer, wherein the ultrasonic transducer converts the portion of the energy waves that are reflected back from the intravenous catheter to the electrical signal, wherein the energy waves are ultrasonic waves.
17. The system of claim 16, wherein the ultrasonic ucer comprises a piezoelectric crystal, wherein the piezoelectric crystal is embedded in a wall of the inner lumen.
18. The system of any one of claims 15 to 17, r comprising the er adapter, wherein the intravenous catheter extends distally from the catheter adapter.
19. The system of any one of claims 15 to 18 as substantially shown and described herein.
20. A method of detecting occlusion of an intravenous catheter, comprising: a processor itting energy waves along a length of an intravenous er coupled to one end of a catheter r; a transducer detecting a portion of the energy waves that are reflected back from the intravenous catheter, via a g coupled to the other end of the catheter adapter, and converting the portion into a corresponding electrical signal; the sor receiving the electrical signal; the processor comparing the electrical signal to a baseline signal to determine a difference between the electrical signal and the baseline signal; and the processor, in response to the difference n the electrical signal and the baseline signal meeting a threshold value, alerting a user, wherein the housing includes a distal end, a proximal end, and an inner lumen forming a fluid pathway extending between the distal end and the proximal end of the housing; wherein the distal end of the housing is configured to couple to a proximal end of a catheter r, and the fluid pathway is communicated with an inner lumen of the er adapter, and the enous catheter s distally from a distal end of the catheter adapter; and wherein propagation of the energy waves provide a vibration of fluid within the fluid y, and wherein the step of detecting the portion of the energy waves that are reflected back from the intravenous catheter comprises detecting a change in the vibration of fluid within the fluid pathway in response to presence of one or more ions within the intravenous er.
21. The method of claim 20, wherein the transducer disposed within the housing.
22. The method of claim 20 or claim 21, wherein the transducer is embedded in a wall of the
23. The method of any one of claims 20 to 22, n the catheter adapter is coupled to the housing, and wherein the intravenous catheter extends distally from the catheter adapter.
24. The method of any one of claims 20 to 23, wherein an outer surface of a distal tip of the intravenous catheter comprises a plurality of facets.
25. The method of any one of claims 20 to 24, further comprising the processor determining the baseline signal, wherein ining the baseline signal comprises transmitting the energy waves along the length of the intravenous catheter when the intravenous catheter is unoccluded and converting a portion of the energy waves that are reflected back from the enous catheter to the baseline signal.
26. The method of claim 25, wherein determining the baseline signal is performed prior to transmitting the energy waves along the length of the intravenous catheter of the catheter adapter and converting the portion of the energy waves that are reflected back from the intravenous catheter to the corresponding electrical signal.
27. The method of any one of claims 20 to 26, wherein the transducer comprises an electromagnetic wave transducer, and wherein the energy waves are electromagnetic waves.
28. The method of any one of claims 20 to 27 as ntially shown and described herein. None set by JVS MigrationNone set by JVS Unmarked set by JVS None set by JVS ionNone set by JVS Unmarked set by JVS 108 110 Indicator Transducer(s) Transmitter 108 110 Piezo-Electric Indicator Processor Element(s) Unit Signal Generator None set by JVS MigrationNone set by JVS Unmarked set by JVS None set by JVS MigrationNone set by JVS Unmarked set by JVS None set by JVS MigrationNone set by JVS ed set by JVS None set by JVS MigrationNone set by JVS Unmarked set by JVS 3 w:
NZ757737A 2018-03-06 Systems and methods to detect catheter occlusion NZ757737B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15/477,291 US11497848B2 (en) 2017-04-03 2017-04-03 Systems and methods to detect catheter occlusion
PCT/US2018/021218 WO2018186981A1 (en) 2017-04-03 2018-03-06 Systems and methods to detect catheter occlusion

Publications (2)

Publication Number Publication Date
NZ757737A NZ757737A (en) 2025-02-28
NZ757737B2 true NZ757737B2 (en) 2025-06-04

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