US3388847A - Surgical instrument for suturing hollow organs - Google Patents

Surgical instrument for suturing hollow organs Download PDF

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Publication number
US3388847A
US3388847A US482702A US48270265A US3388847A US 3388847 A US3388847 A US 3388847A US 482702 A US482702 A US 482702A US 48270265 A US48270265 A US 48270265A US 3388847 A US3388847 A US 3388847A
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US
United States
Prior art keywords
head
stem
instrument
suturing
knife
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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
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US482702A
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English (en)
Inventor
Kasulin Vyacheslav Sergeevich
Babkin Svetoslav Ivanovich
Kalinina Tatyana Vladimirovna
Gambashidze Galina Mikhailovna
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Individual
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Individual
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Publication date
Priority to FR28926A priority Critical patent/FR1461464A/fr
Priority to CH1180265A priority patent/CH456033A/de
Application filed by Individual filed Critical Individual
Priority to US482702A priority patent/US3388847A/en
Priority to BE668917A priority patent/BE668917A/xx
Application granted granted Critical
Publication of US3388847A publication Critical patent/US3388847A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
    • A61B17/115—Staplers for performing anastomosis in a single operation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
    • A61B17/115—Staplers for performing anastomosis in a single operation
    • A61B17/1155—Circular staplers comprising a plurality of staples

Definitions

  • a surgical instrument having a hollow body with a. slidable hollow rod therein for ejecting staples loaded into grooves in the body to form a staple suture and bearing a cutter for excising excess tissue of the sutured organs, a stem being slidably mounted in the rod and having a pointed tip on which a head is detachably mountted, the head containing a member which acts as a counter surface for the cutter and an anvil for bending the legs of the staples, the stem being fully retractable in the body when the head is detached or extendable from the body for a piercing operation and for mounting of the head.
  • This invention relates to surgical instruments for applying circular staple sutures when placing anastomoses on hollow organs, and more specifically, to such instruments used for applying intraintestinal anastomosis of the rectum and large or small intestines, as well as of the gallbladder or dilated bile duct and an intestine.
  • the end of the shank projecting outwards carries a working head rigidly fixed thereto; a semirigid detachable protective Washer is freely mounted at the back end face of the head.
  • the instruments in use suffer from the disadvantage that, in the course of operation, tissues being sutured get oftentimes jammed between the knife and the semirigid detachable washer, this resulting in the disturbed (incomplete) anastomoses. Furthermore, when introduced through an intestine to the abdominal cavity, the instrument is liable to bring infection.
  • an object of this invention to provide a surgical instrument capable of being used for placing a reliable and imper-vious aseptic circular staple suture on the walls of hollow organs juxtaposed with the external layers thereof, without making any additional incision on tissues being sutured.
  • Another object of this invention is to provide an instrument of the character set forth hereinabove which would enable a guaranteed separation of the knife from the semirigid detachable washer after the excision of the excess tissue.
  • a surgical instrument capable of suturing hollow organs
  • the central shank is installed with the possibility of movement inwards the body
  • the tapered front end thereof carries a detachable composite taper head which at the back end face thereof is provided with a cylindrical-shaped depression located on the centre line of the instrument body and furnished with a circular recess accommodating the semi-rigid detachable washer which serves as a protective limiting support for the knife cutting edge when inserted into said cylindrical depression in the head.
  • FIG. 1 is a general View of the surgical instrument for suturing hollow organs (longitudinal section);
  • FIG. 2 is a section on the line A-A of FIG. l;
  • FIG. 3 is a section on the line B-B of FIG. 1;
  • FIG. 4 is a section on the line C-C of FIG. l;
  • FIG. 5 is a diagram illustrating the application of an end-to-end anastomosis:
  • FIG. 6 is a diagram illustrating the application of a side-to-end anastomosis
  • FIG. 7 is a diagram illustrating the application of an end-to-side anastomosis
  • FIG. 8 is a diagram illustrating the application of a side-to-side anastomosis.
  • the surgical instrument of the present invention is essentially composed of oblons7 tubular body 1 (FIG. l), movable handle 2 articulated to body 1 at the rear portion thereof and fixed handle 3 rigidly coupled to said body.
  • body 1 Accommodated inside body 1 is hollow rod 4 the front end whereof bears cylindrical ejector 5 rigidly attached thereto, and cylindrical-shaped knife 6 having face cutting edge 7 facing outwards from the front open end of body 1.
  • the internal surface of the front end of body 1 is provided with annular grooves 8 (FIG. 4) for accommodating the suturing staples.
  • Rod 4 is able to move along the axis of the body under the effect of a mechanical actuator composed of handles 2 and 3.
  • inside rod 4 runs stem 1t) provided with sharp-pointed front end 11 whereat detachable composite taper head 12 is mounted, connected to said stem by means of an aperture other than round in shape (FlG. 3).
  • Head 12 is locked in place on stem lll by means of blind nut 13 fitted onto a threaded end portion of stern 10 and terminated with spherical end piece 14.
  • the rear end face of head 12 is provided with cylindrical depression 15 accommodating knife 6 While rod 4 is extending.
  • Radial circular recess 16 and axial circular slot 17 are made in the top portion of depression 15, slot 17 having the same diameter as the cutting edge of knife 6.
  • Recess 16 houses semirigid detachable washer 1S which prevents the cutting edge of knife 6 from blunting and, apart from this, contributes to the complete excision of the tissue being operated.
  • bearing slots 19 Arranged around the periphery of the face portion of head 12 are bearing slots 19 (FIGS. 1 and 2).
  • the rear end of body 1 carries a screw pair composed of nut 2@ to actuate stem 1t) and collar nut 21.
  • Actuating nut 26 is articulated to body 1 by means of collar nut 2l.
  • retaining washer 22 is situated inside said collar nut 21 which is situated in a certain relationship with reference to grooves S provided at the front end of the body.
  • the instrument Prior to use, the instrument must be prepared for operation, for which purpose staples are inserted into grooves ,A head 12 is moved towards body 1 as far as it will go, whereupon the instrument must be sterilized.
  • the walls of the intestines to be sutured are placed between the end faces of body 1 and head 12.
  • stem 10 along with head l2 is moved relative to body 1 due to rotation of actuating nut 20.
  • rod 4 is made to move forward due to pressure exerted upon ha-ndles 2 and 3, this resulting ,'m that teeth 9 of ejector S, while moving actuate the suturing staples, thereby ejecting these from grooves S and causing them to pierce the tissues being sutured with the sharppointed ends thereof, whereupon, the staples are forced into ythe bearing slots provided in head 12, where they are bent to assume a B-shape.
  • knife 6 while moving together with rod It, constricts tissues encircled by the already formed circular suture, reaches semirigid washer 18, is then forced thereinto and resects the excess tissue thereby forming a circular anastomotic aperture.
  • the instrument of the invention is applicable for placing intraintestinal anastomoses of the rectumfand large or small intestines through the use of end-to-end, end-toside, side-to-end or side-to-side methods.
  • the instrument can be introduced either through the abdominal cavity or via the anus.
  • an instantaneous single-motion suturing is attained, with staple stitches applied throughout the periphery of the anastomosis involved.
  • a circular knife excises the excess tissue complete with threads used for purse-string sutures, thereby forming an anastomotic fold 2.5 to 3 mm. high, facing towards the lumen of the sutured intestines.
  • the head is withdrawn from the body 3 to 5 mm., whereupon, through applying a light pulling effort, the instrument is extracted from the anus along with excised tissue.
  • oval-shaped purse-string suture 29 is applied to the wall of the large or small intestine involved at the inlet end thereof on the side opposite to the mesentery thereof, transverse incision 3i) on the wall of the intestine y being made at the centre of the aforesaid oval-shaped suture.
  • the head of the instrument is introduced into the incision on the wall yof the intestine after which the purse-string. suture is drawn tight thereunder. The thread is cut off. The head and the body are brought together till the complete and intimate contact of the walls being sutured with the external layers thereof, whereupon suturing is accomplished.
  • Head 12 is then taken olf the instrument, stem 10 is completely sunk into body 1, whereupon the latter is introduced into the anus and led to the region of a conjectural anastomosis.
  • the end face of the instrument is then tightly covered with the wall of the rectum and, with the latter kept in that position, stem 10 of the instrument is forced out, thereby piercing the rectum with the sharp-pointed end thereof.
  • the point of stem 10 is pro ⁇ jected 5 to 6 cm. into the abdominal cavity, whereupon head 12 is connected to the stem.
  • the head is introduced into the inlet end of the large or small intestine involved -upon which purse-string suture 31 (FIG. 7) is dra-wn tight underneath head 12 of the instrument. This done, the thread end is cut ot. Thereupon the body and ther head are broughttogether. Both suturing procedure and extraction of the instrument are performed as set hereinabove.
  • the instrument (with head 12 removed and stem 10 completely sunk into body 1) is introduced into the rectum lvia the anus, and is then led to the region of the proposed anastomosis.
  • the end face of the instrument is tightly covered with the wall of the rectum and, with the latter held in that position, stem 10 is extended, thereby piercing the rectum with the shrp-pointed end thereof.
  • a surgical instrument for the suturing of hollow organs by stapling wherein said instrument has a tubular body with an open end and peripheral grooves at said end for receiving staples, a hollow rod slidaby mounted in said body and having ejector means on the front end thereof for ejecting staples from the grooves, and knife means on said rod and having a sharp cylindrical cutting edge facing outwards of the open end of the body, actuator means coupled to the rod for displacing the same between an inactive position in which the ejector means is inoperative and the knife means is retracted in the body and an operative position in which the staples are ejected from the grooves by the ejector means and the knife means is extended from the body, and a stem slidably mounted in the rod and bearing a head which serves as a support for an organ to be sutured and as an anvil for the stap'es and a counter surface for the cutting edge, an improvement comprising means detachably supporting the head on the stem,
  • said head has a cylindrical recess facing said body and an annular groove extending radially of said recess at the base thereof, and an annular member supported in said recess by engagement of the annular member in sai-:l groove, said annular member having a surface facing the body which is a countersurface for the cutting edge of the knife means.
  • said head includes first and second elements, the first element being slidably and removably mounted on the end portion of the stem and having a cylindrical recess facing said body and a member in which said recess with a countersurface for the cutting edge of the knife means, said second element securing the iirst element on the stem and being hollow to receive the sharp pointed tip of the stem.
  • said means detachably supporting the head on the stem includes thread means on said second element and the end portion of the stem, said end portion having a noncircular cross-section, the rst element having an aperture of a shape corresponding to that of the end portion and being engageable on said stem no further than thevend portion, said second element blocking movement of the rst element when threaded on the end portion of the stern.
  • said first element is provided with an annular groove extending radially of the recess at the base thereof, said member with the countersurface for the cutting edge of the knife means being circumferentially supported in said groove.
  • said first element includes a rim encircling the recess, said rim having axial slots therein aligned with the peripheral staple receiving grooves in the body for bending the legs of the staples when they are ejected from the grooves.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)
US482702A 1965-08-20 1965-08-26 Surgical instrument for suturing hollow organs Expired - Lifetime US3388847A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR28926A FR1461464A (fr) 1965-08-20 1965-08-20 Appareil chirurgical de suture des organes
CH1180265A CH456033A (de) 1965-08-20 1965-08-23 Chirurgischer Apparat zum Klammervernähen von Hohlorganen
US482702A US3388847A (en) 1965-08-20 1965-08-26 Surgical instrument for suturing hollow organs
BE668917A BE668917A (sv) 1965-08-20 1965-08-27

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR28926A FR1461464A (fr) 1965-08-20 1965-08-20 Appareil chirurgical de suture des organes
CH1180265A CH456033A (de) 1965-08-20 1965-08-23 Chirurgischer Apparat zum Klammervernähen von Hohlorganen
US482702A US3388847A (en) 1965-08-20 1965-08-26 Surgical instrument for suturing hollow organs
BE668917A BE668917A (sv) 1965-08-20 1965-08-27

Publications (1)

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US3388847A true US3388847A (en) 1968-06-18

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US482702A Expired - Lifetime US3388847A (en) 1965-08-20 1965-08-26 Surgical instrument for suturing hollow organs

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US (1) US3388847A (sv)
BE (1) BE668917A (sv)
CH (1) CH456033A (sv)
FR (1) FR1461464A (sv)

Cited By (256)

* Cited by examiner, † Cited by third party
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US3519187A (en) * 1966-12-06 1970-07-07 Nickolai Nickolajevich Kapitan Instrument for suturing vessels
US3552626A (en) * 1968-02-02 1971-01-05 Georgy Vasilievich Astafiev Instrument for circular suturing of hollow body organs
DE1766792B1 (de) * 1968-07-12 1971-06-09 Vnii Chirurgitscheskoj Apparat Chirurgisches Geraet zum Vernaehen von Hohlorganen Kleinen Durchmessers
US3593903A (en) * 1968-07-12 1971-07-20 Vnii Khirurgicheskoi Apparatur Surgical instrument for suturing hollow organs in infants
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Publication number Publication date
FR1461464A (fr) 1966-02-25
BE668917A (sv) 1965-12-16
CH456033A (de) 1968-05-15

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