CA1318713C - Spray head for the administration of a multi-component material by means of gas - Google Patents

Spray head for the administration of a multi-component material by means of gas

Info

Publication number
CA1318713C
CA1318713C CA000573485A CA573485A CA1318713C CA 1318713 C CA1318713 C CA 1318713C CA 000573485 A CA000573485 A CA 000573485A CA 573485 A CA573485 A CA 573485A CA 1318713 C CA1318713 C CA 1318713C
Authority
CA
Canada
Prior art keywords
gas
spray head
channel
administration
channels
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.)
Expired - Fee Related
Application number
CA000573485A
Other languages
French (fr)
Inventor
Josef Zimmermann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hoechst AG
Original Assignee
Hoechst AG
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 Hoechst AG filed Critical Hoechst AG
Application granted granted Critical
Publication of CA1318713C publication Critical patent/CA1318713C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
    • B05B7/2467—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device a liquid being fed by a pressure generated in the container, which is not produced by a carrying fluid
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00491—Surgical glue applicators
    • 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
    • A61M5/19—Syringes having more than one chamber, e.g. including a manifold coupling two parallelly aligned syringes through separate channels to a common discharge assembly
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0408—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing two or more liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7438—Mixing guns, i.e. hand-held mixing units having dispensing means
    • B29B7/7452—Mixing guns, i.e. hand-held mixing units having dispensing means for mixing components by spraying them into each other; for mixing by intersecting sheets
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00491—Surgical glue applicators
    • A61B2017/00495—Surgical glue applicators for two-component glue

Abstract

HOECHST AKTIENGESELLSCHAFT HOE 87/F 224 D.Ph.HS/bs Abstract:

Spray head for the administration of a multi-component material by means of gas In the spray head for the administration of a multi-component material by means of gas, a gas channel (2) with gas connection (3) is provided, which channel is divided by a separating web (4) into a plurality of channels (2a, 2b) running parallel to the separating web. Into these channels there open out boreholes (5, 5a) for re-ceiving cannulas. The open ends of the boreholes (5, 5a) go into grooves (7, 7a) which serve for guiding the can-nulas (6, 6a). The grooves are arranged parallel to the gas channel (2). The separating web (4) protrudes beyond the channel ends (9, 9a).

Description

HOECHST AKTIENGESELLSCHAFT HOE 87/F 224 D.Ph.HS/sk Description:

Spray head for the administration of a multi-component material by neans of gas The invention relates to a spray head for the administration of a multi-component material, in particu-lar for the administration of surgical histoadhesive.
An apparatus for the administration of surgical histoadhesive is known from European Patent Speclf;cat;on 0,037,393. The syringe elements for the components fibrinogen solution and thrombin solution are connected via cones to delivery channels of a spray head. The spray head has a feed channel for gas, which divides inside the spray head into two branches, the outlet openings of wh;ch are arranged in the region of the mouths of the delivery channels and are disposed at an angle to each other and are directed at right angles to the outlet openin~ of the components. The components, which are fed via the syringe elements (reciprocating pumps), are sprayed by the gas.
The spray cones join, depending on the size of the angle which the spray axes form, at a greater or lesser distance away from the mouths of the delivery channels, where they mix together and the components react with each other.
It is disadvantageous that accurate spraying is not pos-sible with this spray head, as the object to be sprayed must lie precisely at the ;ntersection of the spray jets if a satisfactory result is to be ach;eved.
~ he ;nvention is to provide a remedy here.
According to the invention, as it is defined in the claim, the object is achieved by a spray head which has a gas channel with gas connection, which is divided by a sepa-rating web into a plurality of channels running parallelto the separat;ng web, into these channels there open boreholes for receiving cannulas, the open ends of which go into grooves for guiding the cannulas which are arranged parallel to the gas channel in the spray head 13~87~3 and the separating web protrudes beyond the channel ends.
The boreholes for the cannulas may open out at an angle a C 90 into the channels running paraLlel to the sep-arating web.
The advantages achieved with the invention are to be seen in particular in that the coalescence of the components directly behind ~he end of the separating wsb produces a slender spray cone, which makes possible a uniform mixing of the components and an accurate spraying of the objects even from close to at low spraying pres-sure. The separating web also has the effect of avoiding premature contact of the different components with one another, which would lead to bLockages of the channels.
The spray head is suitable in particular for administra-tion of surgical histoadhesive, which is formed from the components in situ after passing the separating web end.
The invention is explained in more detail below by dra~ings shoning merely one embodiment and in which:
Figure 1 shows the spray head in sectional plan view, Figure 2 shows the view II of Figure 1, F;gure 3 sho~s the section III - III of Figure 1 and Figure 4 shows the cutaway "Z" of Figure 1 with spray pattern in plan view~
The spray head 1 has a gas channel 2 with gas connection 3. In the gas channel 2 there is arranged a separating web 4, which divides the gas channel into a plurality of channels 2a, 2b running parallel to the separating web. Into the channels 2a, 2b there open out boreholes 5, 5a for receiving cannulas 6, 6a. For guid-ing the cannulas in the spray head, the open ends of the boreholes 5, 5a go into grooves 7, 7a whish are ar-ranged parallel to the gas channel 2 in the spray head 1. In order to prevent a premature mixing of the compon-ents, the web 4 protrudes beyond the channel ends 9, 9a.
The recesses 8, 8a serve for the insert;on of the cannulas into the boreholes. After insertion, the cannulas are hooked into the grooves 7, 7a and fixed in place. The tips 12, 12a of the cannulas are to butt against the separating web 4 and their sloped openings 11, 113 are to be directed against the flow direction of the gas. The end 10 of the separating web protruding from the spray head 1 may be made angular or rounded-off. The compo-nents A and B are fed via the cannulas 6, 6a to the gas channels 2a, 2b, entrained by the gas (air) and s~irled behind the end 10 of the separating web 4, so that they can react. 13 indicates the spray pattern and 14, 14a indicate the disposable syringes for the components A and . If the multi-component material consists of three or more components, the separating web 4 may be designed triangularly or polygonally in cross-section, so that the gas channel 2 is divided according to the number of components. Then the same number of boreholes with recesses and grooves open out into these channels.

Claims

THE EMBODIMENTS OF THE INVENTION IN WHICH AN EXCLUSIVE
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A spray head for the administration of a multi-component material by means of gas, wherein the spray head (1) has a gas channel (2) with gas connection (3), which channel (2) is divided by a separating web (4) into a plurality of channels (2a, 2b) running parallel to the separating web (4), into these channels (2a, 2b) there open out boreholes (5, 5a) for receiving cannulas (6, 6a), the open ends of the boreholes (5, 5a) go into grooves (7, 7a) for guiding the cannulas (6, 6a) which are arranged parallel to the gas channel (2) in the spray head (1), and the separating web (4) protrudes beyond the channel ends (9, 9a).
CA000573485A 1987-08-01 1988-07-29 Spray head for the administration of a multi-component material by means of gas Expired - Fee Related CA1318713C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3725552A DE3725552A1 (en) 1987-08-01 1987-08-01 SPRAY HEAD TO APPLY A MULTI-COMPONENT MATERIAL BY GAS
DEP3725552.5 1987-08-01

Publications (1)

Publication Number Publication Date
CA1318713C true CA1318713C (en) 1993-06-01

Family

ID=6332868

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000573485A Expired - Fee Related CA1318713C (en) 1987-08-01 1988-07-29 Spray head for the administration of a multi-component material by means of gas

Country Status (17)

Country Link
US (1) US4846405A (en)
EP (1) EP0302411B1 (en)
JP (1) JPS6443364A (en)
KR (1) KR960013921B1 (en)
AT (1) ATE77265T1 (en)
AU (1) AU597505B2 (en)
BR (1) BR8803798A (en)
CA (1) CA1318713C (en)
DD (1) DD285729A5 (en)
DE (2) DE3725552A1 (en)
DK (1) DK167657B1 (en)
ES (1) ES2034060T3 (en)
FI (1) FI90737C (en)
GR (1) GR3005462T3 (en)
IL (1) IL87289A (en)
MX (1) MX170823B (en)
PT (1) PT88136B (en)

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Also Published As

Publication number Publication date
DD285729A5 (en) 1991-01-03
DK167657B1 (en) 1993-12-06
EP0302411B1 (en) 1992-06-17
BR8803798A (en) 1989-02-21
KR960013921B1 (en) 1996-10-10
IL87289A (en) 1991-12-12
JPS6443364A (en) 1989-02-15
DE3725552A1 (en) 1989-02-09
AU2018188A (en) 1989-02-02
GR3005462T3 (en) 1993-05-24
PT88136A (en) 1989-06-30
AU597505B2 (en) 1990-05-31
IL87289A0 (en) 1989-01-31
FI883551A0 (en) 1988-07-28
DK425488D0 (en) 1988-07-29
FI883551A (en) 1989-02-02
US4846405A (en) 1989-07-11
ES2034060T3 (en) 1993-04-01
MX170823B (en) 1993-09-20
DK425488A (en) 1989-02-02
FI90737B (en) 1993-12-15
JPH0583307B2 (en) 1993-11-25
DE3872092D1 (en) 1992-07-23
KR890003411A (en) 1989-04-14
ATE77265T1 (en) 1992-07-15
EP0302411A2 (en) 1989-02-08
PT88136B (en) 1993-09-30
EP0302411A3 (en) 1990-02-28
FI90737C (en) 1994-03-25

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