US438929A - Surgical tent or dilator - Google Patents
Surgical tent or dilator Download PDFInfo
- Publication number
- US438929A US438929A US438929DA US438929A US 438929 A US438929 A US 438929A US 438929D A US438929D A US 438929DA US 438929 A US438929 A US 438929A
- Authority
- US
- United States
- Prior art keywords
- dilator
- tent
- plug
- surgical
- womb
- 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 - Lifetime
Links
- 239000000463 material Substances 0.000 description 8
- 230000001413 cellular Effects 0.000 description 4
- 241000282414 Homo sapiens Species 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 2
- 241000209031 Nyssa Species 0.000 description 2
- 235000003339 Nyssa sylvatica Nutrition 0.000 description 2
- 241000219000 Populus Species 0.000 description 2
- 241001106462 Ulmus Species 0.000 description 2
- 210000001215 Vagina Anatomy 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000717 retained Effects 0.000 description 2
- 239000011122 softwood Substances 0.000 description 2
Images
Classifications
-
- 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
Definitions
- the object of the invention is to provide a new and improved dilator or tent specially designed for use on brood-mares and other animals, and adapted to be easily placed and securely retained for a short period in the womb of the animal.
- the invention consists of an expanding plug having an exterior layer of an elastic material.
- Figure 1 is a side elevation of the improvement with parts broken away, and Fig. 2 is a like View of a modified form of the same.
- the dilator or tent is formed of a piece of soft wood or other cellular material preferably compressed by suitable means into a small plug A, rounded off at one end B, and provided at its other end with a string 0 for withdrawing the plug after use.
- the plug A In order to retain the dilator or tent in place when inserted in the neck of the womb, the plug A is covered with a layer D of an elastic material-such as sponge, cloth, and other similar material-which expands with the plug, and by its roughened surface engaging the wall of the neck of the womb readily retains the dilator or tent in place.
- an elastic material such as sponge, cloth, and other similar material-which expands with the plug, and by its roughened surface engaging the wall of the neck of the womb readily retains the dilator or tent in place.
- layer D may cover the plug A partly, as shown in Fig. 1, or wholly, as illustrated in Fig. 2.
- the tent or dilator In using the tent or dilator it is inserted with the pointed end forward into the mouth of the womb, and then gently pushed inward until nearly the entire tent is within the neck. The tent is left therein, say, for six to eight hours, with the string 0 extending through the vagina to the outside. The liquid contained in the womb and surrounding the same is sucked up and passes into the cells of the plug A, thereby slowly expanding the same to several times its original size, a displacement being prevented by the layer D firmly adhering to the inner wall of the neck.
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Reproductive Health (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
Description
(No Model.)
T. G. KNIGHT.
SURGICAL TENT 0R DILATOR:
No. 488,929. Patented 0011.21, 1890.
IIVVENTOR:
ATTORNEYS ms NORRIS Pirzns co., woYo-Lrmm, msmuumu, n. c.
UNITED STATES PATENT OFFICE.
THOMAS G. KNIGHT, OF ROOKVILLE CENTRE, NEWV YORK.
SURGICAL TENT OR DILATOR.
SPECIFICATION forming part of Letters Patent No. 438,929, dated October 21, 1890.
Application filed June 19, 1890. Serial No. 355,976. (No model.)
To all whom it may concern.-
Be it known that I, THOMAS G. KNIGHT, of Rockville Centre, in the county of Queens and State of New York, have invented a new and Improved Dilator or Tent, of which the following is a full, clear, and exact description.
The object of the invention is to provide a new and improved dilator or tent specially designed for use on brood-mares and other animals, and adapted to be easily placed and securely retained for a short period in the womb of the animal.
The invention consists of an expanding plug having an exterior layer of an elastic material.
Reference is to be had to the accompanying drawings, forminga part of this specification, in which similar letters of reference indicate corresponding parts in all the figures.
Figure 1 is a side elevation of the improvement with parts broken away, and Fig. 2 is a like View of a modified form of the same.
The dilator or tent is formed of a piece of soft wood or other cellular material preferably compressed by suitable means into a small plug A, rounded off at one end B, and provided at its other end with a string 0 for withdrawing the plug after use.
In order to retain the dilator or tent in place when inserted in the neck of the womb, the plug A is covered with a layer D of an elastic material-such as sponge, cloth, and other similar material-which expands with the plug, and by its roughened surface engaging the wall of the neck of the womb readily retains the dilator or tent in place. The
layer D may cover the plug A partly, as shown in Fig. 1, or wholly, as illustrated in Fig. 2.
In using the tent or dilator it is inserted with the pointed end forward into the mouth of the womb, and then gently pushed inward until nearly the entire tent is within the neck. The tent is left therein, say, for six to eight hours, with the string 0 extending through the vagina to the outside. The liquid contained in the womb and surrounding the same is sucked up and passes into the cells of the plug A, thereby slowly expanding the same to several times its original size, a displacement being prevented by the layer D firmly adhering to the inner wall of the neck.
I have found by experiments that poplar, elm, tupelo, and similar trees furnish plugs well adapted for the purpose. Sea-tang compressed into the desired form and covered, as above mentioned, will also well answer the purpose.
I am aware that tents of sponge have been used by the medical profession on human beings; and I do not claim the same broadly.
Having thus described my invention, I claim as new and desire to secure by Letters Patent- A new article of manufacture comprising a plug made of an expanding cellular material and an exterior layer of an elastic material held on the said plug, substantially as shown and described.
THOMAS G. KNIGHT.
Witnesses:
THEO. G. HOSTER, C. SEDGWICK.
Publications (1)
Publication Number | Publication Date |
---|---|
US438929A true US438929A (en) | 1890-10-21 |
Family
ID=2507830
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US438929D Expired - Lifetime US438929A (en) | Surgical tent or dilator |
Country Status (1)
Country | Link |
---|---|
US (1) | US438929A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3954109A (en) * | 1974-08-02 | 1976-05-04 | The Kendall Company | Bandage to prevent local hematoma |
US4030504A (en) * | 1975-08-15 | 1977-06-21 | Doyle Donald E | Nasal hemostat and method of construction of nasal hemostat |
US5713868A (en) * | 1997-03-05 | 1998-02-03 | Fussman; Arie | Catheterization device with dilator |
US20080249474A1 (en) * | 2005-11-10 | 2008-10-09 | Sentinel Group, Llc | Intraluminal and transluminal device and method of visualization and therapeutic intervention |
-
0
- US US438929D patent/US438929A/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3954109A (en) * | 1974-08-02 | 1976-05-04 | The Kendall Company | Bandage to prevent local hematoma |
US4030504A (en) * | 1975-08-15 | 1977-06-21 | Doyle Donald E | Nasal hemostat and method of construction of nasal hemostat |
US5713868A (en) * | 1997-03-05 | 1998-02-03 | Fussman; Arie | Catheterization device with dilator |
US20080249474A1 (en) * | 2005-11-10 | 2008-10-09 | Sentinel Group, Llc | Intraluminal and transluminal device and method of visualization and therapeutic intervention |
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