US3903893A - Nasal hemostatic device - Google Patents

Nasal hemostatic device Download PDF

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US3903893A
US3903893A US406844A US40684473A US3903893A US 3903893 A US3903893 A US 3903893A US 406844 A US406844 A US 406844A US 40684473 A US40684473 A US 40684473A US 3903893 A US3903893 A US 3903893A
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wall part
tube
hemostatic device
nasal
wall
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Alexander L Scheer
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    • 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
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/06—Respiratory or anaesthetic masks
    • A61M16/0666—Nasal cannulas or tubing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
    • A61B17/12027—Type of occlusion
    • A61B17/1204—Type of occlusion temporary occlusion
    • A61B17/12045—Type of occlusion temporary occlusion double occlusion, e.g. during anastomosis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
    • A61B17/12099—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder
    • A61B17/12104—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in an air passage
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
    • A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
    • A61B17/12136—Balloons
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/24—Surgical instruments, devices or methods, e.g. tourniquets for use in the oral cavity, larynx, bronchial passages or nose; Tongue scrapers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
    • A61B2017/12127—Double occlusion, e.g. for creating blood-free anastomosis site

Definitions

  • the end por- 128649 B lions of the tube include expandable annular wall parts which, when the tube is inserted through 3 nos- [56] References Cited tril and into a nasal passage, are expanded so as to engage selected internal parts of the nose and thus form UNITED STATES PATENTS a hemosmtic Seal 851,530 4/1907 Lamport .1 128/246 2,493,326 1/1950 Trinder 128/325 6 Claims. 6 Drawing Figures PATENTED 55? 91975 SHEET 2 [IF 2 INVENTOR.
  • This invention relates to a surgical instrument and particularly concerns a hemostatic device for the nose.
  • US. Pat. No. 2,493,326 describes a prior art device .for stopping nasal hemorrhages.
  • This device includes two spaced expandable members. each of which must be individually inflated after the device is positioned in the nose. As in the previously discussed prior art means, no provision is made in the device for nasal breathing during its use.
  • This invention includes a flexible tube which contains a breathing passage.
  • the end portions of the tube include expandable annular wall parts which. when the tube is inserted into one nasal passage. can be expanded nearly simultaneously to engage selected parts of the nose, thus creating an effective hemostatic seal without impeding the patients breathing.
  • the device Since the device is constructed so as to be positioned nearly totally within the nasal passage, little if any of the device will protrude from the nose where it could interfere with eating and the general comfort of the patient.
  • the expandable wall part which is positioncd adjacent to the vestibulum is covered by a foam material which makes the device more comfortable to the patient and prevents irritation of the vestibulum.
  • a restrictive sleeve may he slipped over the anterior wall part of the device to allow for the expansion of the pos terior wall part only.
  • FIG. 1 is a pictorial view of one embodiment of the hcmostatic device.
  • FIG. 2 is a fragmentary sectional view with the hemostatic device of FIG. 1 shown deflated and inserted into the nose.
  • FIG. 3 is a fragmentary sectional view with the hemostatic device of FIG. I shown inflated within the nose.
  • FIG. 4 is a cross sectional view taken along line 44 of FIG. 1.
  • FIG. 5 is a pictorial view of another embodiment of the hemostatic device having separable parts.
  • FIG. 6 is a view of the hemostatic device of FIG. 5 showing the parts thereof in separated form.
  • the hemostatic device illustrated in FIGS. 1-4 includes a flexible tube 10 approximately It) cm long and having a breathing passage 12 thcrethrough.
  • Tube 10 may be formed of rubber or plastic and includes a distal end 14 and a proximal end 16.
  • Tube 10 includes an inner wall part 18 and a concentric expandable outer wall part 20 adjacent distal end I4 and an inner wall part 22 and a concentric expandable outer wall part 24 adjacent proximal end 16.
  • Outer wall parts 20 and 24 are each approximately 4 cm long and are separated by an intermediate tube part 26.
  • Inner wall part 18 defines, in conjunction with outer wall part 20, an annular substantially fluid-tight chamber 28.
  • Inner wall part 22 defines, in conjunction with outer wall part 24, an annular substantially fluid-tight chamber 30.
  • a conduit 32 embedded within tube 10, has one end 33 communicating with camber 28 and extends therefrom longitudinally along the tube through chamber 30 and slightly beyond proximal tube end 16. There the opposite end of conduit 32 is connected to a valve 34. Conduit 32 has an opening 36 formed therein which communicates with chamber 30.
  • Valve 34 may be of any of a variety of well known constructions and is preferably like a tire valve in function in that selected amounts of air or other fluid can be introduced through the valve into a receiving chamber by means of a pressure source and later extracted therefrom by valve actuation.
  • One such construction of valve 34 is found in US. Pat. No. 3,087,492.
  • Conduit opening 36 and the internal diameter of conduit 32 at end 33 may be so sized relative to each other that, as fluid is introduced into the conduit and passes into chambers 28 and 30, outer wall part 20 and 24 of tube 10 expand substantially simultaneously.
  • Outer wall part 20 of tube 10 is preferably designed, such as by varying the wall thickness of selected portions of the wall part, to assume a generally spherical shape when expanded outside the nose in a free state.
  • Outer wall part 24 of tube is preferably designed, again such as by varying the wall thickness of selected portions of the wall part, to assume a generally truncated cone-like shape when expanded outside the nose with a girth which increases along the length of the wall part as proximate tube end 16 is approached.
  • the outer surface of wall part 24 is preferably coated with a sponge or resilient foam-like material 39 of rubber of plastic to promote conformation of wall part 24 to the nose inner surface.
  • Tube 10 with chambers 28 and 30 deflated is inserted distal end 14 first through the vestibulum 38 of the al fected nasal passage and pushed gently either between the middle turbinate 40 and the inferior turbinate 42 or between the floor 44 of the nose and inferior turbinatc 42 until it touches the vertebral wall 46 of the pharynx 50. Suitable lubrication applied to tube 10 will assist in inserting it into the nose. With tube 10 correctly positioned within the nose one-third of part 20 will slip naturally into the nasal passage 48, and the remainder into the nasal pharynx 50, as shown in FIG. 2. The outer wall 24 should be visible at the vestibulum 38 with approximately one-half of the wall part positioned within the strait 52 between the vestibulum and the nasal passage.
  • a pressurized source such as a Luer lock syringe. is removably connected to valve 34. and pressurized fluid. such as air, is introduced through conduit 32 and simultaneously into chambers 28 and 30 in a controlled manner causing the nearly simultaneous expansion of outer wall parts 20 and 24.
  • pressurized fluid such as air
  • the expanded wall parts 20 and 24 will assume the anatomical configuration of the nose, as shown in FIG. 3, and thus form an effective hemostasis.
  • sponge material 3 at proximal end 16 of tube 10 can be soaked in a sealing solution just prior to insertion of the tube into the nose.
  • a tube It can be inserted into each nostril of the patient and inflated. Due to the presence of the breathing passage 12 in each tube 10, the patient is able to breathe through his nose in substantially normal fashion. Also. tube 10 can be formed front a radio-opaque material to permit X-ray pictures to be taken of its location in the patient.
  • the hcmostatic device includes a flexible tube 10 having a breathing passage 12 there through and outer expandable wall parts 20 and 24.
  • This hemostatic device is of a construction like the dc vice shown in FIGS 1-4 and above described with the exception that the exposed end of conduit 32 to which valve 34 is attached is return bent at 59 and outer wall part 24 is more truncated in its unespanded state and does not have a sponge coating.
  • the return bent end of conduit 32 will extend exteriorly around the nose at the nostril to prevent the device from slipping down into the throat of the patient and to position valve 34 clear of the mouth area of the patient so as not to interfere with the patient's eating and drinking.
  • a generally rigid sleeve 60 is fitted around tube 10 at its wall part 24. Sleeve 60 preferably extends the full length of wall part 24 and engages tube 10 in a slip frictional fit.
  • the sleeve may be formed of a shape-retaining, substantially non-expandable material. such as polyethylene.
  • Sleeve will prevent wall part 24 of tube 10 from expanding against the nasal passage as a pressurized lluid is introduced into the tube through conduit 32.
  • the hemostatic device can be used with sleeve 60 encircling wall part 24 of the tube in those cases where bleeding is be hind the nose in the nasal pharynx. With sleeve 60 so positioned about tube 10 and the tube and sleeve inserted into the nasal passage, only wall part 20 of the tube will be expanded upon the introduction of fluid into conduit 32.
  • distal end 62 of sleeve 60 is provided with an inturned annular lip.
  • the proximal end 64 of the sleeve may be flared to resist accidental total insertion of the sleeve into the nasal passage.
  • sleeve 60 is removed from tube 10, preferably prior to the insertion of the hemostatic device into the patient.
  • a sleeve 60 without the flared proximal end 64 may be fitted over the wall part 20 of tube [0 and not wall part 24.
  • a nasal hemostatic device comprising a flexible tube having a breathing passage therethrough and including proximal and distal ends, said tube adapted for insertion through the vestibulum and into the nasal passage, said tube including first inner and outer annular wall parts adjacent its said distal end and second inner and outer annular wall parts adjacent its said proximal end, said first inner and outer wall parts being spaced from said second inner and outer wall parts, said first outer wall part being expandable and defining in conjunction with said first inner wall part a first chamber. said second outer wall part being expandable and definining in conjunction with said second inner wall part a second chamber, conduit means communicating with said first and second chambers and adapted to connect to a fluid source.
  • conduit means for introducing fluid simultaneously and at controlled rates into said first and second chambers to cause the expansion of said first and second wall parts, and a removable sleeve means encircling said tube at one of said first and sec ond outer wall parts for preventing the expansion of said one outer wall part against the nasal passage when said device is located in said nasal passage.
  • said sleeve means extends the length of said second outer all part and has one end located adjacent the proxi mate end of said tube and its other end located adja cent said first outer wall part. said other sleeve means end being defined by an inturned annular lip.

Abstract

A nasal hemostatic device, including a flexible tube having a breathing passage therethrough. The end portions of the tube include expandable annular wall parts which, when the tube is inserted through a nostril and into a nasal passage, are expanded so as to engage selected internal parts of the nose and thus form a hemostatic seal.

Description

United States Patent 1191 Scheer 1 Sept. 9, 1975 [5 NASAL HEMOSTATIC DEVICE 2589,3118 3/1952 Hunter 128/239 X 2,927,584 3/1960 Wallace 128/349 B [76] Inventor: Alexander L. Scheer, 1529 Ash Dr. 3,049'l25 8/l962 Kriwkowitsch 128/325 E851, Elkham 46514 3,154,077 10/1964 Cannon 1, l28/325 3,509,884 5/1970 Bell 1. 128/246 X [22] 1973 3,516,407 6/1970 Ruggero 1. 128/325 [21] Appl. No.: 406,844 3,653,388 4/1972 Tenckhoff 1. 128/347 Related US. Application Data P E Ch L P v r runary 'xammer annmg ace & 183,579, Sept 24, 1971, abandoned [57} ABSTRACT [52] U.S. Cl. 128/325; 128/246 [5]] Int Cl 2 I l 4 I v l V H A61B 17/12 A nasal hemostatlc dev1ce, lncludlng a flexlble tube [58] Field of Search H 128/239 246 325 341 having a breathing passage therethrough. The end por- 128649 B lions of the tube include expandable annular wall parts which, when the tube is inserted through 3 nos- [56] References Cited tril and into a nasal passage, are expanded so as to engage selected internal parts of the nose and thus form UNITED STATES PATENTS a hemosmtic Seal 851,530 4/1907 Lamport .1 128/246 2,493,326 1/1950 Trinder 128/325 6 Claims. 6 Drawing Figures PATENTED 55? 91975 SHEET 2 [IF 2 INVENTOR. AA fXA/VDER LSCHEER ATTORNEYS NASAL HEMOSTATIC DEVICE CROSS-REFERENCE TO RELATED APPLICATION This is a continuation-in-part of my U.S. application Ser. No. 34,330. filed May 4, I970, now abandoned. and is a continuation of application Ser. No. [83,579, filed Sept. 24, I971 now abandoned.
BACKGROUND OF THE INVENTION This invention relates to a surgical instrument and particularly concerns a hemostatic device for the nose.
It has heretofore been the practice to arrest nasal hemorrhaging by means of packing the affected nasal passage, or by means of inflating a single expandable balloonlike member well within the nasal passage and packing the forward portion of the passage. These methods are generally painful to the patient, time consuming, and in many cases require the services ofa specialist and the use of special instruments. When both nasal passages are affected and, therefore, must be packed. the patient must breathe through his mouth, creating throat dryness, irritation, middle-ear and other complications.
US. Pat. No. 2,493,326 describes a prior art device .for stopping nasal hemorrhages. This device includes two spaced expandable members. each of which must be individually inflated after the device is positioned in the nose. As in the previously discussed prior art means, no provision is made in the device for nasal breathing during its use.
SUMMARY OF THE INVENTION This invention includes a flexible tube which contains a breathing passage. The end portions of the tube include expandable annular wall parts which. when the tube is inserted into one nasal passage. can be expanded nearly simultaneously to engage selected parts of the nose, thus creating an effective hemostatic seal without impeding the patients breathing.
Since the device is constructed so as to be positioned nearly totally within the nasal passage, little if any of the device will protrude from the nose where it could interfere with eating and the general comfort of the patient.
Additionally, the expandable wall part which is positioncd adjacent to the vestibulum is covered by a foam material which makes the device more comfortable to the patient and prevents irritation of the vestibulum. By expanding the wall parts substantially simultaneously there will be no tendency for the device to slip down into the throat of the patient or out of the vestibulum would be the case should either the posterior or an terior wall part be expanded separately.
In order to provide for a selected hemostasis, a restrictive sleeve may he slipped over the anterior wall part of the device to allow for the expansion of the pos terior wall part only.
Accordingly, it is an object of this invention to provide a nasal hemostatic device which effectively stops hemorrhaging of the nose and yet permits the full use of the nose for breathing and mucus drainage.
It is another object of this invention to provide a nasal hemostatic device which causes a minimum of discomfort to the patient.
It is still another object of this invention to provide a nasal hemostatic device which can be effectively and quickly positioned and actuated by any person of average intelligence and coordination.
Other objects of this invention will become apparent upon a reading of the inventions description.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a pictorial view of one embodiment of the hcmostatic device.
FIG. 2 is a fragmentary sectional view with the hemostatic device of FIG. 1 shown deflated and inserted into the nose.
FIG. 3 is a fragmentary sectional view with the hemostatic device of FIG. I shown inflated within the nose.
FIG. 4 is a cross sectional view taken along line 44 of FIG. 1.
FIG. 5 is a pictorial view of another embodiment of the hemostatic device having separable parts.
FIG. 6 is a view of the hemostatic device of FIG. 5 showing the parts thereof in separated form.
DESCRIPTION OF THE PREFERRED EMBODIMENTS The preferred embodiments illustrated are not in tended to be exhaustive or to limit the invention to the precise forms disclosed. They are chosen and described in order to explain the principles of the invention and its application and practical use to thereby enable others skilled in the art to utilize the invention to its best advantage.
The hemostatic device illustrated in FIGS. 1-4 includes a flexible tube 10 approximately It) cm long and having a breathing passage 12 thcrethrough. Tube 10 may be formed of rubber or plastic and includes a distal end 14 and a proximal end 16. Tube 10 includes an inner wall part 18 and a concentric expandable outer wall part 20 adjacent distal end I4 and an inner wall part 22 and a concentric expandable outer wall part 24 adjacent proximal end 16. Outer wall parts 20 and 24 are each approximately 4 cm long and are separated by an intermediate tube part 26. Inner wall part 18 defines, in conjunction with outer wall part 20, an annular substantially fluid-tight chamber 28. Inner wall part 22 defines, in conjunction with outer wall part 24, an annular substantially fluid-tight chamber 30.
A conduit 32, embedded within tube 10, has one end 33 communicating with camber 28 and extends therefrom longitudinally along the tube through chamber 30 and slightly beyond proximal tube end 16. There the opposite end of conduit 32 is connected to a valve 34. Conduit 32 has an opening 36 formed therein which communicates with chamber 30.
Valve 34 may be of any of a variety of well known constructions and is preferably like a tire valve in function in that selected amounts of air or other fluid can be introduced through the valve into a receiving chamber by means of a pressure source and later extracted therefrom by valve actuation. One such construction of valve 34 is found in US. Pat. No. 3,087,492. Conduit opening 36 and the internal diameter of conduit 32 at end 33 may be so sized relative to each other that, as fluid is introduced into the conduit and passes into chambers 28 and 30, outer wall part 20 and 24 of tube 10 expand substantially simultaneously.
Outer wall part 20 of tube 10 is preferably designed, such as by varying the wall thickness of selected portions of the wall part, to assume a generally spherical shape when expanded outside the nose in a free state.
Outer wall part 24 of tube is preferably designed, again such as by varying the wall thickness of selected portions of the wall part, to assume a generally truncated cone-like shape when expanded outside the nose with a girth which increases along the length of the wall part as proximate tube end 16 is approached. The outer surface of wall part 24 is preferably coated with a sponge or resilient foam-like material 39 of rubber of plastic to promote conformation of wall part 24 to the nose inner surface.
Tube 10 with chambers 28 and 30 deflated is inserted distal end 14 first through the vestibulum 38 of the al fected nasal passage and pushed gently either between the middle turbinate 40 and the inferior turbinate 42 or between the floor 44 of the nose and inferior turbinatc 42 until it touches the vertebral wall 46 of the pharynx 50. Suitable lubrication applied to tube 10 will assist in inserting it into the nose. With tube 10 correctly positioned within the nose one-third of part 20 will slip naturally into the nasal passage 48, and the remainder into the nasal pharynx 50, as shown in FIG. 2. The outer wall 24 should be visible at the vestibulum 38 with approximately one-half of the wall part positioned within the strait 52 between the vestibulum and the nasal passage.
A pressurized source, such as a Luer lock syringe. is removably connected to valve 34. and pressurized fluid. such as air, is introduced through conduit 32 and simultaneously into chambers 28 and 30 in a controlled manner causing the nearly simultaneous expansion of outer wall parts 20 and 24. The expanded wall parts 20 and 24 will assume the anatomical configuration of the nose, as shown in FIG. 3, and thus form an effective hemostasis. To assure the hemostasis, sponge material 3) at proximal end 16 of tube 10 can be soaked in a sealing solution just prior to insertion of the tube into the nose.
When it is desired to remove tube 10 from the nose, the syringe is again connected to valve 34 and chambers 28 and 3" deflated.
In the case of bilateral bleeding, a tube It) can be inserted into each nostril of the patient and inflated. Due to the presence of the breathing passage 12 in each tube 10, the patient is able to breathe through his nose in substantially normal fashion. Also. tube 10 can be formed front a radio-opaque material to permit X-ray pictures to be taken of its location in the patient.
In FIGS. 5 and 6 the hcmostatic device includes a flexible tube 10 having a breathing passage 12 there through and outer expandable wall parts 20 and 24. This hemostatic device is of a construction like the dc vice shown in FIGS 1-4 and above described with the exception that the exposed end of conduit 32 to which valve 34 is attached is return bent at 59 and outer wall part 24 is more truncated in its unespanded state and does not have a sponge coating. The return bent end of conduit 32 will extend exteriorly around the nose at the nostril to prevent the device from slipping down into the throat of the patient and to position valve 34 clear of the mouth area of the patient so as not to interfere with the patient's eating and drinking. A generally rigid sleeve 60 is fitted around tube 10 at its wall part 24. Sleeve 60 preferably extends the full length of wall part 24 and engages tube 10 in a slip frictional fit. The sleeve may be formed of a shape-retaining, substantially non-expandable material. such as polyethylene.
Sleeve will prevent wall part 24 of tube 10 from expanding against the nasal passage as a pressurized lluid is introduced into the tube through conduit 32. the hemostatic device can be used with sleeve 60 encircling wall part 24 of the tube in those cases where bleeding is be hind the nose in the nasal pharynx. With sleeve 60 so positioned about tube 10 and the tube and sleeve inserted into the nasal passage, only wall part 20 of the tube will be expanded upon the introduction of fluid into conduit 32. To provide for easier insertion of the sleeve-encircled tube into the nasal passage, distal end 62 of sleeve 60 is provided with an inturned annular lip. The proximal end 64 of the sleeve may be flared to resist accidental total insertion of the sleeve into the nasal passage. When it is desired to expand both wall parts 20 and 24 against the nasal passage of a patient, sleeve 60 is removed from tube 10, preferably prior to the insertion of the hemostatic device into the patient.
it is to be understood that the invention is not to be limited to the details herein given but may be modified within the scope of the appended claims. Also. in other applications of this invention, a sleeve 60 without the flared proximal end 64 may be fitted over the wall part 20 of tube [0 and not wall part 24.
What i claim is:
l. A nasal hemostatic device comprising a flexible tube having a breathing passage therethrough and including proximal and distal ends, said tube adapted for insertion through the vestibulum and into the nasal passage, said tube including first inner and outer annular wall parts adjacent its said distal end and second inner and outer annular wall parts adjacent its said proximal end, said first inner and outer wall parts being spaced from said second inner and outer wall parts, said first outer wall part being expandable and defining in conjunction with said first inner wall part a first chamber. said second outer wall part being expandable and definining in conjunction with said second inner wall part a second chamber, conduit means communicating with said first and second chambers and adapted to connect to a fluid source. said conduit means for introducing fluid simultaneously and at controlled rates into said first and second chambers to cause the expansion of said first and second wall parts, and a removable sleeve means encircling said tube at one of said first and sec ond outer wall parts for preventing the expansion of said one outer wall part against the nasal passage when said device is located in said nasal passage.
2. The hemostatic device of claim 1 wherein said sleeve means encircles said tube at said second outer wall part for preventing the expansion of said second outer wall part against the nasal passage when said device is located in said nasal passage.
3. The hcmostatic device ofclaim I wherein said sec ond outer wall part is shift-able between a collapsed position and an expanded position, said sleeve means being snugly fitted about said outer wall part in its collapsed position.
4. The hcmostatic device of claim 3 wherein said sleeve is formed of a sl'iape-retaining substantially nonexpandable material.
5. The hernostatic device of claim 1 wherein said sleeve means extends the length of said second outer all part and has one end located adjacent the proxi mate end of said tube and its other end located adja cent said first outer wall part. said other sleeve means end being defined by an inturned annular lip.
11. he hernostatic device ol'claim 5 wherein said one sleeve means end is llared.

Claims (6)

1. A nasal hemostatic device comprising a flexible tube having a breathing passage therethrough and including proximal and distal ends, said tube adapted for insertion through the vestibulum and into the nasal passage, said tube including first inner and outer annular wall parts adjacent its said distal end and second inner and outer annular wall parts adjacent its said proximal end, said first inner and outer wall parts being spaced from said second inner and outer wall parts, said first outer wall part being expandable and defining in conjunction with said first inner wall part a first chamber, said second outer wall part being expandable and definining in conjunction with said second inner wall part a second chamber, conduit means communicating with said first and second chambers and adapted to connect to a fluid source, said conduit means for introducing fluid simultaneously and at controlled rates into said first and second chambers to cause the expansion of said first and second wall parts, and a removable sleeve means encircling said tube at one of said first and second outer wall parts for preventing the expansion of said one outer wall part against the nasal passage when said device is located in said nasal passage.
2. The hemostatic device of claim 1 wherein said sleeve means encircles said tube at said second outer wall part for preventing the expansion of said second outer wall part against the nasal passage when said device is located in said nasal passage.
3. The hemostatic device of claim 1 wherein said second outer wall part is shiftable between a collapsed position and an expanded position, said sleeve means being snugly fitted about said outer wall part in its collapsed position.
4. The hemostatic device of claim 3 wherein said sleeve is formed of a shape-retaining substantially nonexpandable material.
5. The hemostatic device of claim 1 wherein said sleeve means extends the length of said second outer wall part and has one end located adjacent the proximate end of said tube and its other end located adjacent said first outer wall part, said other sleeve means end being defined by an inturned annular lip.
6. The hemostatic device of claim 5 wherein said one sleeve means end is flared.
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Cited By (116)

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US4102342A (en) * 1975-12-29 1978-07-25 Taichiro Akiyama Valved device
US4140126A (en) * 1977-02-18 1979-02-20 Choudhury M Hasan Method for performing aneurysm repair
US4273124A (en) * 1979-06-01 1981-06-16 Zimmerman J Earl Nasal cannula
US4281671A (en) * 1978-04-21 1981-08-04 American Filtrona Corporation Production of tobacco smoke filters
US4299237A (en) * 1978-07-21 1981-11-10 Foti Thomas M Closed flow caloric test device
EP0141589A1 (en) * 1983-10-21 1985-05-15 Avvari Rangaswamy Inflatable uterine hemostat
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