Portable Instillation Apparatus and Method
First Claim
1. A portable instillation apparatus for the purpose of pumping fluid into the intestinal tract through a stoma opening as presented by a patient, comprising,a fluid reservoir having a top and a bottom suitable for holding instillation fluid,an internal component chamber having a top and a bottom wherein the chamber top is formed from the fluid reservoir bottom,a pump manifold assembly mounted to the bottom of the fluid reservoir and inside the internal component chamber having an inlet and an outlet with the inlet in direct fluid communication with the fluid reservoir and the outlet protruding upwardly through the bulkhead into the fluid reservoir but not in fluid communication with the reservoir,a delivery tube being flexible and having a proximal and distal end with the proximal end in direct fluid communication with the pump manifold outlet,a catheter suitable for insertion into a patient with an intestinal stoma constructed for purposes of instilling fluid into a patient'"'"'s intestines in direct fluid communication and removably attached to the distal end of the delivery tube,a pump control module communicatively attached to the pump manifold assembly for purposes of activation and mounted in the internal component chamber,a fluid level sensor mounted in the fluid reservoir operable to communicate the presence of fluid in the reservoir to the pump control module to which it is communicatively attached, the pump control module further being in direct electrical communication with a power supply, anda user interface control module mounted proximate to the internal component chamber being in direct electrical communication with the pump control module.
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Abstract
The present invention relates to an improved apparatus and method for instilling fluid into a patient having an intestinal stoma thereby administering an antegrade colonic enema. The portable instillation apparatus comprising in combination: a fluid reservoir, a pump assembly, a control module, a fluid delivery line and an intestinal stoma catheter wherein the control module is operable to automatically stop fluid delivery to the intestinal stoma after a predetermined volume of fluid has been instilled at a predetermined flow rate and pressure range suitable for a particular patient. The portable instillation apparatus incorporates a unique gear pump manifold facilitating the portability, durability and reliability of the apparatus overcoming the disadvantages of traditional peristaltic pump mechanisms. The portable instillation apparatus is so engineered as to maximize the ease of transport and use of the device while also enabling a method for a patient to self-administer an antegrade colonic enema within a short time period and without intervention.
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Citations
14 Claims
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1. A portable instillation apparatus for the purpose of pumping fluid into the intestinal tract through a stoma opening as presented by a patient, comprising,
a fluid reservoir having a top and a bottom suitable for holding instillation fluid, an internal component chamber having a top and a bottom wherein the chamber top is formed from the fluid reservoir bottom, a pump manifold assembly mounted to the bottom of the fluid reservoir and inside the internal component chamber having an inlet and an outlet with the inlet in direct fluid communication with the fluid reservoir and the outlet protruding upwardly through the bulkhead into the fluid reservoir but not in fluid communication with the reservoir, a delivery tube being flexible and having a proximal and distal end with the proximal end in direct fluid communication with the pump manifold outlet, a catheter suitable for insertion into a patient with an intestinal stoma constructed for purposes of instilling fluid into a patient'"'"'s intestines in direct fluid communication and removably attached to the distal end of the delivery tube, a pump control module communicatively attached to the pump manifold assembly for purposes of activation and mounted in the internal component chamber, a fluid level sensor mounted in the fluid reservoir operable to communicate the presence of fluid in the reservoir to the pump control module to which it is communicatively attached, the pump control module further being in direct electrical communication with a power supply, and a user interface control module mounted proximate to the internal component chamber being in direct electrical communication with the pump control module.
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13. A portable instillation apparatus for the purpose of pumping fluid into the intestinal tract through a stoma opening as presented by a patient, comprising,
a cylindrically shaped fluid reservoir having a top and a bottom, a circular bulkhead plate having a top and a bottom forming the bottom of the fluid holding portion of the reservoir and the top of an internal component chamber pressed and sealed into the inside circumference of cylinder of the fluid reservoir, the internal component chamber having a top and a bottom with bottom being a circular element inserted the inside circumference of the bottom of the cylinder of the fluid reservoir, thereby enclosing and protecting the chamber from fluid intrusion, the circular element further comprising a cavity accessible from the bottom of the element suitable for retaining a battery, a pump manifold assembly mounted to the bottom of the bulkhead having an inlet and an outlet with the inlet in direct fluid communication with the fluid reservoir and the outlet protruding upwardly through the bulkhead into the fluid reservoir but not in fluid communication with the reservoir, the pump manifold assembly further comprises a gear pump having a pump motor, the gear pump being in direct fluid communication with the manifold inlet and a fluid flow direction restrictor, the restrictor being operable to permit flow in a direction from the manifold assembly inlet, the restrictor being in further, direct fluid communication with the manifold assembly outlet, a delivery tube being flexible and having a proximal and distal end with the proximal end in direct fluid communication with the pump manifold outlet, a catheter suitable for insertion into a patient with an intestinal stoma constructed for purposes of instilling fluid into a patient'"'"'s intestines in direct fluid communication and removably attached to the distal end of the delivery tube, a pump control module communicatively attached to said gear pump motor suitable for activating the pump motor, an optical fluid level sensor mounted in the bulkhead operable to communicate the presence of fluid in the reservoir to the pump control module to which it is communicatively attached, the pump control module further being in direct electrical communication with the battery, a user interface module mounted to the cylinder proximate to the component chamber being in direct electrical communication with the pump control module, and a lid assembly being generally circular is detachably inserted into the circumference of the top of the fluid reservoir.
Specification