WO1983002395A1 - Continuous ambulatory peritoneal dialysis clamping system - Google Patents

Continuous ambulatory peritoneal dialysis clamping system Download PDF

Info

Publication number
WO1983002395A1
WO1983002395A1 PCT/US1982/001730 US8201730W WO8302395A1 WO 1983002395 A1 WO1983002395 A1 WO 1983002395A1 US 8201730 W US8201730 W US 8201730W WO 8302395 A1 WO8302395 A1 WO 8302395A1
Authority
WO
WIPO (PCT)
Prior art keywords
spike
tube
housing
slot
receiving
Prior art date
Application number
PCT/US1982/001730
Other languages
French (fr)
Inventor
Inc. Baxter Travenol Laboratories
Arthur Lueders
Marc Bellotti
James Fitzgerald
Larry C. Taylor
Original Assignee
Baxter Travenol Lab
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Baxter Travenol Lab filed Critical Baxter Travenol Lab
Priority to JP83500418A priority Critical patent/JPS58502187A/en
Priority to BR8208013A priority patent/BR8208013A/en
Priority to DE8383900314T priority patent/DE3279563D1/en
Publication of WO1983002395A1 publication Critical patent/WO1983002395A1/en

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M39/00Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/10Tube connectors; Tube couplings
    • A61M39/1011Locking means for securing connection; Additional tamper safeties
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/14Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
    • A61M1/28Peritoneal dialysis ; Other peritoneal treatment, e.g. oxygenation
    • A61M1/285Catheters therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M39/00Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/10Tube connectors; Tube couplings
    • A61M39/16Tube connectors; Tube couplings having provision for disinfection or sterilisation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M39/00Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22Valves or arrangement of valves
    • A61M39/28Clamping means for squeezing flexible tubes, e.g. roller clamps
    • A61M39/286Wedge clamps, e.g. roller clamps with inclined guides
    • A61M39/287Wedge formed by a slot having varying width, e.g. slide clamps
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/14Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
    • A61M1/28Peritoneal dialysis ; Other peritoneal treatment, e.g. oxygenation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M39/00Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/10Tube connectors; Tube couplings
    • A61M2039/1066Tube connectors; Tube couplings having protection means, e.g. sliding sleeve to protect connector itself, shrouds to protect a needle present in the connector, protective housing, isolating sheath
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S604/00Surgery
    • Y10S604/905Aseptic connectors or couplings, e.g. frangible, piercable

Definitions

  • the housing member includes a tubular, collapsible sheath member having a collapsible
  • the housing portion has a tube-receiving opening aligned with the spike-receiving section for receiving a dialysis solution bag delivery tube typically closed with a pierceable membrane.
  • the housing portion also has a transverse slide clamp-receiving slot.
  • a slide clamp is associated with the housing por ⁇ tion slot, the clamp having a tube-grasping slot, and being carried and movable within the housing slot be ⁇ tween tube closing and tube opening positions, referring to the dialysis solution bag delivery tube.
  • FIGURE 7 is a perspective view of the slide clamp showing notch-like surface recesses for folding of the upper clamp section relative to the lower clamp section;
  • the sheath and housing member 26 includes a hollow spike-receiving sheath member 42, and a slide-receiving housing 44.
  • the spike-receiving section 42 is hollow and tubular, having an accordion-like shape, and is collapsible.
  • Section 42 includes a spike-receiving aperture 46, hexagonal clamping shoulder 48, and convoluted, collapsible, ultraviolet transparent section 50.
  • Second tubular section 52 and second hexa- gonally-shaped clamping shoulder 54 are also provided.
  • Collapsible section 50 may be made of an ultraviolet transparent plastic such as polyethylene or other desired plastic, preferably selected and formed so that at least 15 percent of the ultraviolet radiation to which it is exposed passes into its interior for sterilization therein.
  • a tapered tube-guiding section 76 connects slot 72 and enlarged opening 74. It will be noted that the shoulder portions 68 are positioned slightly above opening 74, and this provides some spring bias to the slide clamp so as to maintain its position in the hous- ing when the slide is in an upper position where limit shoulders 70 engage the slide housing.
  • Tube 11 is shown being held in position by slide clamp 28, which has been pressed downwardly so as to grasp and close tube 11 in slot 72.
  • pierceable membrane lla_ is still sealed.
  • the piercing or transfer spike 24 is inserted into sheath member 50, but by virtue of the casing 78 it is prevented from piercing the membrane lla_.
  • clamshell casing 78 can be removed, and sheath section 42, carrying tube end 11, membrane lla ⁇ , and spike 24 may be placed in an ultraviolet sterilizer. After appropriate steriliza ⁇ tion with ultraviolet light, spike 24 is then thrust through membrane lla_ so as to pierce the membrane, to permit fluid flow from bag 10 through spike 24 and from there to the patient.
  • FIG. 4 hollow point 38 of spike 24 is shown thrust through membrane lla_, and slide clamp 28 is then raised to the non-grasping, flow permitting position shown in Figure 6.
  • casing 78 is then reapplied to hexagonal shoulder 54, and round shoulder 32 on spike 24 as in Figure 4. This holds the spike in a fluid flow position so that fresh solution can flow from the bag through the spike to the patient with hollow point 38 holding tubing 11 in position by friction.
  • clamp 28 is moved to its sealing, grasping posi ⁇ tion to close off tube 11.
  • Casing 78 can remain attached and clamp 28 can remain in closed position throughout the dwell period of the dialysis solution in the perito ⁇ neal cavity until it is time to drain the cavity of spent solution and to exchange solution bags.
  • clamp 28 is retracted to its open position, so that dialysis solution can flow from bag 10 to the patient. After bag 10 is emptied, clamp 28 is thrust downward to again grasp and close tube 11, to close the bag during dialysis solution dwell.
  • casing 78 grips member 26 in fixed manner, pre ⁇ venting relative rotation therebetween. This facilitates the installation and removal of tube 11 of container 10 into and from the system, and protects bellows 50.

Abstract

A system for connection of a transfer spike (24) on the end of a tube (19) with another tube (11), in which the connection portions may be ultraviolet sterilized prior to connection. Both the spike and the tube for connection communicate with a housing member (26) having a tubular, collapsible sheath member (42) which is ultraviolet transparent. Also, a clamping system (28, 44) may be provided for closing flow through the system.

Description

CONTINUOUS AMBULATORY PERITONEAL DIALYSIS CLAMPING SYSTEM
BACKGROUND OF THE INVENTION
This invention relates to a connector system, and more particularly, to a system for use in peritoneal dialysis generally.
Specifically, continuous ambulatory peritoneal dialysis (CAPD) is an increasingly popular form of dialysis. CAPD employs a bag of sterile peritoneal dialysis solution which is opened through a pierceable membrane. The bag is connected to a patient's peri¬ toneal cavity through a tubing set which includes a membrane-piercing spike. In order to perform dialysis, fresh solution in the bag is drained into the peritoneal cavity and remains in the cavity for the dialysis or dwell period, usually four to six hours. At the end of that period, spent dialysis solution is drained from the cavity back to the bag. Then a second bag of fresh solution is exchanged for the bag of spent solu- tion, is connected to the tubing set, and the cavity is filled with fresh solution and the dialysis process repeated.
One of the principal areas of concern in peritoneal dialysis generally is that the connection between the tubing set and the dialysis solution bag must be kept sterile, particularly when the bag membrane is pierced in order to drain the solution from the bag to fill the peritoneal cavity.
Ultraviolet (UV) sterilization is a desirable form of sterilization for use in a peritoneal dialysis pro¬ cedure, particularly CAPD.
OMPI It is an object of this invention to provide such a connector which can be UV-sterilized and easily used by a patient.
This and other objects will become apparent from the following description and appended claims.
SUMMARY OF INVENTION
In accordance with this invention a connector system is provided for use in peritoneal dialysis, and particularly CAPD applications, to connect the patient's catheter to a supply of dialysis solution through a tubing set having a transfer spike and catheter coupler.
The connector may comprise an ultraviolet trans¬ parent, longitudinally expansible and collapsible housing member which can receive the transfer spike at one end and which receives a tube from a solution con¬ tainer at the other end. Clamp means are also provided to permit closing of flow through the solution container tube. When the housing member is in its extended posi¬ tion, the spike is spaced from a pierceable sealing membrane within the tube of the solution container. When the housing member is in its collapsed position, the spike penetrates the tube of the solution container.
A casing may also be provided to retain the spike and bag tubing in either its position spaced from the pierceable membrane or its position in which it extends through the pierceable membrane.
At least portions of the housing member are desirably ultraviolet transparent, so that after connection of the spike and the tubing within the housing member, but before penetration of the pierceable membrane, the in¬ terior of the housing member can be sterilized by appli¬ cation of ultraviolet light from the exterior.
More specifically, the housing member includes a tubular, collapsible sheath member having a collapsible
OMPI
- tubular, ultraviolet-transparent, spike-receiving section with a spike-receiving opening on one end, and an inte¬ gral housing portion at the other end of the spike- receiving section. The housing portion has a tube-receiving opening aligned with the spike-receiving section for receiving a dialysis solution bag delivery tube typically closed with a pierceable membrane. The housing portion also has a transverse slide clamp-receiving slot. A slide clamp is associated with the housing por¬ tion slot, the clamp having a tube-grasping slot, and being carried and movable within the housing slot be¬ tween tube closing and tube opening positions, referring to the dialysis solution bag delivery tube. As the result of this, the dialysis solution bag delivery tube may be inserted into the sheath through the housing end, and held in a piercing position by moving the slide clamp to the closing position. The transverse spike may be inserted into the sheath at the other end and held for application of ultraviolet light. After the ultraviolet application, for antibacterial effect within the sheath, the spike is thrust into the dialysis solution bag delivery tube to pierce the mem¬ brane which closes it, to provide a sterile connection between the spike and the tube so that the liquid can flow between the solution container and the peritoneal cavity of a patient.
The casing member which retains the transfer spike either in piercing or nonpiercing position may comprise a pair of hinged halves having grooves at each end which are proportioned to grasp clamping shoulders or flanges positioned at opposed ends of the collapsible sheath member, to hold the sheath member in an open position, or alternatively to grasp one end of the collapsible sheath member and a flange or clamping shoulder on the
OMPI -4-
spike, to hold the system in collapsed, membrane- piercing relation.
Other details of the invention are as shown in the drawings and specification below.
BRIEF DESCRIPTION OF THE DRAWINGS
FIGURE 1 is a diagrammatic view showing the solu¬ tion bag, the connector, the tubing set, the catheter, and the patient;
FIGURE 2 is an exploded perspective view showing the spike and the connector of Figure 1;
FIGURE 3 is a sectional view showing the connector with the spike of Figure 1 in the non-piercing sterili¬ zation position;
FIGURE 4 is a sectional view similar to Figure 3 showing the connector with the spike in the pierced position?
FIGURE 5 is a sectional view taken along line 5-5 of Figure 3 and showing the slide clamp grasping the tube end; FIGURE 6 is a fragmentary transverse sectional view taken along line 6-6 showing the slide clamp in the non-grasping position;
FIGURE 7 is a perspective view of the slide clamp showing notch-like surface recesses for folding of the upper clamp section relative to the lower clamp section; and
FIGURE 8 is a side elevational view of the clamp in the folded position with the "clamshell" retainer in position.
DESCRIPTION OF THE PREFERRED EMBODIMENT
Referring now to Figure 1, peritoneal dialysis so¬ lution bag 10 which has a short delivery tube 11, is shown coupled to a patient 12 through catheter 14, tubing
OMPI set 16, and connector 18. The tubing set 16, which is replaced perhaps once a month, includes a length of tubing 19, a catheter coupler 20 for connecting the tube set to the catheter, and a transfer spike 25. If so desired, a filter may be included in the tubing set. The transfer spike 24 and connector system 18, which includes sheath and housing member 26 and slide clamp 28, are shown in Figure 2. Spike member 24 has a central bore 29, a tubing set connecting end 30, a round clamping shoulder 32; a handle or grasping center section 34 which includes a round disc-like member 36; and a hollow piercing or spiking point 38 having liquid flow ports 40 which communicate with bore 29.
The sheath and housing member 26 includes a hollow spike-receiving sheath member 42, and a slide-receiving housing 44. The spike-receiving section 42 is hollow and tubular, having an accordion-like shape, and is collapsible. Section 42 includes a spike-receiving aperture 46, hexagonal clamping shoulder 48, and convoluted, collapsible, ultraviolet transparent section 50. Second tubular section 52 and second hexa- gonally-shaped clamping shoulder 54 are also provided. Collapsible section 50 may be made of an ultraviolet transparent plastic such as polyethylene or other desired plastic, preferably selected and formed so that at least 15 percent of the ultraviolet radiation to which it is exposed passes into its interior for sterilization therein.
Slide housing 44 may be integral with sheath member 42, being connected thereto adjacent to clamping shoulder 54. Housing 44 may be rectangularly shaped, having a transversely oriented slide-receiving slot 56 extending through its central portion, and a pair of stepped stop ledges 58, 60. Slide clamp 28 is preferably insertable into slide housing 44 from either end of slot 56, with leg 67 on either the right or left side of slot 56. Housing 44 includes a delivery tube-receiving opening 61 which is
OMPI aligned with tubular member 52 and is best seen in Figure 4.
Slide member 28 is a bifurcated, fork-like member having a bight or head section 62 that includes a down¬ ward movement-limiting shoulders 64 which cooperate with the stops 58, 60 in limiting the movement of the slide member relative to the housing. A pair of mirror image shaped legs 66, 67 extend from the head section 62. The outer surface of each leg 66 and 67 includes outwardly tapering, shoulder-like intermediate portions 68, and limit shoulder of hooks 70 for limiting upward movement of the slide clamp. The legs 66, 67 are shaped so as to form a thin slot 72 extending from head section 62 downwardly toward an enlarged tu e-receiving opening 74. A tapered tube-guiding section 76 connects slot 72 and enlarged opening 74. It will be noted that the shoulder portions 68 are positioned slightly above opening 74, and this provides some spring bias to the slide clamp so as to maintain its position in the hous- ing when the slide is in an upper position where limit shoulders 70 engage the slide housing.
Each of limit shoulders or hooks 70 may define tapering ramp section 70a_ which permits insertion of the slide into slot 56. Hooks 70 "can engage the lower edges of the housing 44 so as to limit upward movement of the slide clamp. Hooks 70 also can provide alignment of opening 74 with housing aperture 61 and sheath tube 52 when they engage the lower edges of housing 44.
A "clamshell" retention casing 78 is provided for positioning spike 24 relative to clamp 28*. Casing 78 has two hingedly-connected half sections 80, 82 which may be substantially identical, except that section 80 includes tongue-like members 84 and section 82 includes latch-like members 86 for locking cooperation with members 84. Each section includes end wall formations
OMPI 87, 88, that define grooves 90, 92, which can receive hexagonally-shaped clamping shoulders 48, 54 on the sheath, and round shoulder 32 on the spike to immovably retain the system in connected relation. Referring now to Figure 3, spike member 24 is shown in a non-piercing sterilization position. As can be seen, casing 78 is shown holding the collapsible portion 50 of the sheath in an expanded position, with shoulders 48, 54 being held in grooves 92 and 90 of the casing 78, respectively. With this arrangement, pierc¬ ing spike 24 can be inserted into the sheath, but it cannot pierce the delivery-tube membrane lla_ that pre¬ vents flow through tube 11 of bag 10, which is inserted into tube 52 at one end. Tube 11 is shown being held in position by slide clamp 28, which has been pressed downwardly so as to grasp and close tube 11 in slot 72. As shown in Figure 3, pierceable membrane lla_ is still sealed. The piercing or transfer spike 24 is inserted into sheath member 50, but by virtue of the casing 78 it is prevented from piercing the membrane lla_.
Figure 5 shows tubing clamp 28 holding tubing 11 in the grasping position shown in Figure 4.
After connection of the parts, clamshell casing 78 can be removed, and sheath section 42, carrying tube end 11, membrane lla^, and spike 24 may be placed in an ultraviolet sterilizer. After appropriate steriliza¬ tion with ultraviolet light, spike 24 is then thrust through membrane lla_ so as to pierce the membrane, to permit fluid flow from bag 10 through spike 24 and from there to the patient.
Referring now to Figure 4, hollow point 38 of spike 24 is shown thrust through membrane lla_, and slide clamp 28 is then raised to the non-grasping, flow permitting position shown in Figure 6. Once spike 24 has been thrust through member 11a, casing 78 is then reapplied to hexagonal shoulder 54, and round shoulder 32 on spike 24 as in Figure 4. This holds the spike in a fluid flow position so that fresh solution can flow from the bag through the spike to the patient with hollow point 38 holding tubing 11 in position by friction. After the peritoneal cavity is filled, clamp 28 is moved to its sealing, grasping posi¬ tion to close off tube 11. Casing 78 can remain attached and clamp 28 can remain in closed position throughout the dwell period of the dialysis solution in the perito¬ neal cavity until it is time to drain the cavity of spent solution and to exchange solution bags.
Referring now to Figures 7 and 8, slide clamp 28 includes a pair of transverse lines of folding weakness 65 which permit folding of the clamp to minimize its size and facilitate its concealment by the patient dur¬ ing use. As seen in Figure 7, the lower section 28a_ of clamp 28 may be folded transversely along the fold lines 65-to a position at right angle with the upper section 28b. The folding relative to clampshell casing 78 is shown in Figure 8, with section 28a being bent over toward casing 78, and with tube 11 in closed, no-flow position. This folding feature may be used in the solution dwell portion of dialysis.
Integral flexible strap 96 on clamp 28 limits the spreading of legs 66, 67 to assure the sealing of tube 11 when placed in slot 72. In operation, slide clamp 28 is inserted into slide housing 44 by aligning clamp 28 with housing slot 56 and then pushing clamp 28 down¬ wardly.
The clamp entrance ramps 70a engage the edges of slot 56 to bias the clamp legs inwardly and permit them to enter the housing. Clamp 28 is pushed downwardly until the hooks 70 emerge from the other end of the slot 56, and legs 66 and 67 then snap outwardly and engage the inside walls of the slot. Hooks 70, in coop¬ eration with the housing provide an upward movement limiting means with clamp opening 74 being aligned with sheath opening 61.
In use, delivery tube 11 of a bag 10 is inserted into housing 44, and clamp 28 is then pushed down¬ wardly to grasp and close tube 11 in slot 72. The down¬ ward movement of clamp 28 is limited by the engagement of clamp shoulders 64 with housing ledges 58, 60. Next, casing 78 may be applied to flanges 48, 54 and spike 24 may then be inserted into sheath 42. The spike, sheath and tube end are then sterilized by ultraviolet radia- tion after preferably removing casing 78. During ultra¬ violet sterilization, spike 24 remains spaced from membrane lla_ so that the sterile seal has not been pierced.
After sterilization, the spike 24 is grasped in one hand, housing 44 is grasped in the other hand, and the spike is thrust into tube 11 to puncture membrane lla_. Thereafter casing 78 is positioned about the sheath and spike so as to grasp shoulders 32 and 54, to hold spike 24 in the piercing position.
Then, clamp 28 is retracted to its open position, so that dialysis solution can flow from bag 10 to the patient. After bag 10 is emptied, clamp 28 is thrust downward to again grasp and close tube 11, to close the bag during dialysis solution dwell.
During the dwell phase with solution residing in the peritoneal cavity, the bag and connector may be carried by the patient about his waist. In order to minimize bulk, clamp 28 can be folded about the fold lines as seen in Figures 7 and 8. When it is necessary to drain the peritoneal cavity, clamp 28 is folded open and slid outwardly so that spent dialysis solution can be drained from the cavity into bag 10. Thereafter, a bag of fresh solu- tion can be exchanged for the bag of spent solution, and the above procedure repeated.
Spike 24 and especially hollow piercing point 38 are preferably made of an ultraviolet-transparent mater¬ ial to permit antimicrobial effect within bore or lumen 29 upon irradiation by a source of ultraviolet light, for example poly(methylpentene) , a polyolefin such as polyethylene or polypropylene, EEA(pol (ethylene-ethyl acetate)) or poly(chlorotrifluoroethylene) .
Sheath and housing member 26 may be made as a separate item from bag 10 and spike 24, and may be made of a polyolefin such as polyethylene, or other flexible, ultraviolet transparent material such as EEA. Thus the sheath and housing member may be used with different formulations of peritoneal dialysis solution and types of bags, for example. Also, sheath and housing member 26 may be used with currently available bags of peritoneal dialysis solution.
When shoulders 48, 54 are polygonal in shape, and slots 90, 92 in casing 78 are of matching polygonal shape, casing 78 grips member 26 in fixed manner, pre¬ venting relative rotation therebetween. This facilitates the installation and removal of tube 11 of container 10 into and from the system, and protects bellows 50.
The above has been offered for illustrative pur- poses only, and is not intended to limit the scope of the invention of this application, which is as defined in the claims below.

Claims

THAT WHICH IS CLAIMED IS:
1. A connector system for use in peritoneal dialysis applications and the like to connect a patient's catheter to the delivery tube of a supply of dialysis solution through a tube set having a transfer spike and catheter coupler, said connector system comprising: a housing member which includes a tube-like, collap¬ sible sheath member having a collapsible tubular, ultra¬ violet-transparent, spike-receiving section with a spike- receiving opening at one end, and an integral housing portion at the other end of the spike-receiving section, said housing portion having a tube-receiving opening aligned with said spike-receiving section for receiving said delivery tube closed with a pierceable membrane, and also a transverse slide clamp-receiving slot; and a slide clamp cooperatively associated with said housing portion in said slot, said clamp defining a tube-grasping slot, and being carried and movable within said housing slot between tube-closing and tube opening positions; whereby the delivery tube may be inserted into said sheath member through said housing end and held in a piercing position by moving said slide clamp to said closing position, and a transfer spike may be inserted into said sheath member at the other end held for ultra¬ violet treatment, and then thrust into said tube end to pierce the membrane associated therewith and provide a sterile condition.
2. A connector system as in Claim 1, wherein there is further provided means for alternatively retain¬ ing a transfer spike in piercing and non-piercing posi¬ tions relative to the container and pierceable membrane.
OMPI
3. A connector system as in Claim 2, in which said al¬ ternatively retaining means includes: a pair of spaced first and second shoulder formations defined on the spike-receiving section of said sheath member, with one shoulder formation positioned adjacent the spike-receiving opening, and the other positioned between the collapsible portion and the integral housing portion; removable retention casing means having a pair of spaced shoulder-grasping ends fixedly spaced from one another, said ends being adapted to grasp the first and second shoulder formations on the sheath member so as to prevent collapsing of the spike-receiving section upon insertion of the spike into the sheath.
4. A connector system as in Claim 3, wherein a transfer spike may also be held in piercing position by the retention casing means wherein the retention casing means grasps the first shoulder formation on the sheath member adjacent the housing portion and a third shoulder formation on the transfer spike after advancement of the spike through the membrane.
5. A connector system as in Claim 1, wherein said housing is a unitary member, and said slot extending therethrough transverse to the "spike-receiving section has slide-receiving openings at either end of said slot.
6. A system as in Claim 5, wherein slide stop notch formations are provided adjacent each end of said slot.
7. A system as in Claim 1, wherein said slide clamp is a bifurcated, fork-like member having a head section and two leg sections, and said leg sections define between them a tube-grasping slot adjacent the head section and a tube-receiving opening more remote from said head section.
8. A system as in Claim 7, wherein said slide clamp includes a pair of outwardly-extending hook-like stop members at the end of each leg opposite the head section, said hook-like members being adapted to engage the housing sections so as to provide a movement limit¬ ing stop.
9. A system as in Claim 7, wherein each of said hook-like members include tapering ramp portions at the ends thereof for cooperation with said housing slot in guiding said slide clamp into said housing slot.
10. A system as in Claim 7, wherein said clamp includes transverse folding grooves intermediate with the bight sections and distal end for permitting said clamp to be folded about said lines.
11. A system as in Claim 7, wherein the outer surface of each of said slide member legs includes an outwardly tapered portion intermediate with the slide housing slot so as to bias the slide clamp outwardly against the housing and to cooperate in maintaining the clamp in a non-grasping position within said housing.
12. A system as in Claim 1, wherein the tube set includes a length of medical tubing, catheter coupling means at one end for connecting the tube set to a patient's catheter, and said membrane-piercing transfer spike connected to the other end of said tubing.
13. A system as in Claim 12, in combination with a bag of dialysis solution, said bag having a delivery tube, said tube having a pierceable membrane for coopera¬ tion with said sheath member and slide clamp for piercing by said transfer spike.
14. A connector system for use in peritoneal dialysis applications and the like to connect a patient's catheter to the delivery tube of a supply of dialysis solution through a tube set having a transfer spike and a catheter coupler at opposite ends thereof; said connector comprising a housing member which includes a tube-like, collapsible sheath member having a hpllow, accordion-like ultraviolet transparent spike- receiving section having a spike-receiving-opening at one end of said section and an integral housing section at the other end of said spike-receiving-section, said sheath member also having a pair of shoulder formations, the first shoulder formation being adjacent the spike- receiving opening and the second shoulder formation being adjacent the housing, said housing section having a tube- receiving-opening aligned with the spike-receiving section for receiving said delivery tube, and a transverse slide clamp-receiving slot, said slot extending through said housing so as to provide slide clamp-receiving openings at either end; a bifurcated slide clamp cooperatively associated with said slot, said clamp having a tube grasping slot and being movable within said housing slot between tube closing and tube opening positions; removable retention casing means having a pair of spaced, shoulder-grasping ends fixedly spaced from one another, said ends being proportioned to grasp said pair of shoulder formations for positioning said transfer spike in a spaced position relative to a pierceable mem- brane in said delivery tube positioned in said opening by preventing collapsing of said sheath member;
OMPI whereby said delivery tube may be inserted into said sheath through said housing end and held in a piercing position by moving said slide clamp to said grasping position and whereby said transfer spike may be inserted into said sheath at the other end and re¬ tained in spaced relation from the pierceable membrane and .thereafter thrust toward said tube so as to pierce the membrane associated therewith after removal of the retention casing means.
15. A connector system for making sterilizable connections between a spike on the end of a tube and another tube closed with a pierceable membrane, said connector system comprising a housing member which includes a collapsible, tubular sheath member, at least a portion of which is ultraviolet transparent, an opening at one end of said sheath member for receiving the spike, and an opening at the other end of the housing member for receiving the other tube, clamp means carried by the housing member for retaining and closing said other tube, said sheath member being expansible and collapsible, to hold a spike in spaced relation from the pierceable membrane in the expanded condition and to allow the spike to penetrate the pierceable membrane in the collapsed position.
16. A connector system for use in peritoneal dialysis applications and the like to connect a patient's catheter to a supply of dialysis solution through a tube set having a transfer spike and catheter coupler, said connection system comprising: a housing member which includes a tubular, collap¬ sible sheath member having a collapsible tubular ultra¬ violet-transparent, spike-receiving section with a spike- receiving opening at one end, an integral housing portion at the other end of the spike-receiving section, said housing portion having a tube-receiving opening aligned with said spike-receiving section for receiving a dialysis solution container delivery tube closed with a pierceable membrane, and also a transverse, clamp- receiving slot; a slide clamp cooperatively associated with said housing portion in said slot, said clamp defining a tube-grasping slot and carried and movable within said housing slot between delivery tube closing and delivery • tube opening positions; casing means provided for alternatively retaining a transfer spike in piercing and nonpiercing positions relative to the anticipated position of the pierceable membrane, said casing means defining slots at opposed ends thereof, and a pair of first and second shoulder formations defined on the spike-receiving, collapsible sheath member whereby said shoulder formations can fit iato the slots of the casing to prevent collapse of the sheath member, and said delivery tube may be inserted into said sheath member through the tube-receiving open¬ ing and held in position by moving said slide clamp to said closing position, and also a transfer spike may be inserted into said sheath member at the other end and held spaced from the tube end for ultraviolet treatment, and then thrust into said tube end to pierce the mem¬ brane associated therewith.
17. The connector system of Claim 16 in which said transfer spike carries a third shoulder formation adapted for fitting in an end slot of said casing, whereby the collapsible, tubular, spike-receiving section may be held in collapsed position with one slot of the casing engaging the first shoulder formation and the other slot of the casing engaging the third shoulder formation of the transfer spike.
OMPI
18. The connector system of Claim 17 in which said slide clamp defines a pair of leg sections connected at one end to a head section, said leg sections defining between them a grasping slot into which the delivery tube of the solution container can be placed to close said tube and to grasp it, said slot also defining a tube-receiving opening more remote from the head section than said grasping slot through which the delivery tube can extend in a manner permitting fluid flow there- through.
19. The connector system of Claim 18 in which said casing comprises a pair of casing halves connected to¬ gether in hinged relation.
20. The connector system of Claim 12 in which said transfer spike is transparent to ultraviolet light.
21. The connector system of Claim 20 in which said transverse spike is made of poly(methylpentene) .
22. The connector system of Claim 17 in which said transfer spike is transparent to ultraviolet light.
23. The connector system of Claim 21 in which said transverse spike is made of poly(methylpentene) .
24. The connector system of Claim 3 in which said spaced first and second shoulder formations are of a shape to prevent relative rotation of said tube-like collapsible sheath member with respect to the retention casing means.
25. The connector system of Claim 24 in which said retention casing means is proportioned to grasp the first shoulder formation on the sheath member adjacent said housing portion and a third shoulder formation on the transverse spike after advancement of the spike member.
26. The connector system of Claim 14 in which said spaced first and second shoulder formations are of a shape to prevent relative rotation of said tube-like collapsible sheath member with respect to the retention casing means.
27. The connector member of Claim 26 in which said retention casing means is proportioned to grasp the first shoulder -formation on the sheath member adjacent said housing portion and a third shoulder formation on the transverse spike after advancement of the spike member.
PCT/US1982/001730 1982-01-11 1982-12-10 Continuous ambulatory peritoneal dialysis clamping system WO1983002395A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP83500418A JPS58502187A (en) 1982-01-11 1982-12-10 Continuous ambulatory peritoneal dialysis clamping system
BR8208013A BR8208013A (en) 1982-01-11 1982-12-10 CONNECTOR SYSTEM FOR USE IN PERITONEAL AND SIMILAR DIALYSIS APPLICATIONS
DE8383900314T DE3279563D1 (en) 1982-01-11 1982-12-10 Continuous ambulatory peritoneal dialysis clamping system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/338,712 US4473369A (en) 1982-01-11 1982-01-11 Continuous ambulatory peritoneal dialysis clamping system
US338,712820111 1982-01-11

Publications (1)

Publication Number Publication Date
WO1983002395A1 true WO1983002395A1 (en) 1983-07-21

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Application Number Title Priority Date Filing Date
PCT/US1982/001730 WO1983002395A1 (en) 1982-01-11 1982-12-10 Continuous ambulatory peritoneal dialysis clamping system

Country Status (11)

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US (1) US4473369A (en)
EP (1) EP0098282B1 (en)
JP (1) JPS58502187A (en)
AU (1) AU555682B2 (en)
BR (1) BR8208013A (en)
CA (1) CA1195574A (en)
DE (1) DE3279563D1 (en)
ES (1) ES518900A0 (en)
IL (1) IL67507A (en)
IT (1) IT1159814B (en)
WO (1) WO1983002395A1 (en)

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Also Published As

Publication number Publication date
US4473369A (en) 1984-09-25
CA1195574A (en) 1985-10-22
IL67507A0 (en) 1983-05-15
ES8407397A1 (en) 1984-09-16
EP0098282A4 (en) 1985-07-30
ES518900A0 (en) 1984-09-16
BR8208013A (en) 1983-11-08
AU1108383A (en) 1983-07-28
JPS58502187A (en) 1983-12-22
IL67507A (en) 1985-09-29
EP0098282B1 (en) 1989-03-22
EP0098282A1 (en) 1984-01-18
DE3279563D1 (en) 1989-04-27
IT1159814B (en) 1987-03-04
IT8319023A0 (en) 1983-01-06
AU555682B2 (en) 1986-10-02

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