CN101953706A - Special puncture outfit for single-pore peritoneoscope - Google Patents
Special puncture outfit for single-pore peritoneoscope Download PDFInfo
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- CN101953706A CN101953706A CN 200910054893 CN200910054893A CN101953706A CN 101953706 A CN101953706 A CN 101953706A CN 200910054893 CN200910054893 CN 200910054893 CN 200910054893 A CN200910054893 A CN 200910054893A CN 101953706 A CN101953706 A CN 101953706A
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- trocar sheath
- outer sleeve
- semicircle
- sheath body
- peritoneoscope
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Abstract
The invention relates to a special puncture outfit for a single-pore peritoneoscope. The puncture outfit comprises a pressurizing cap, a sealing cap, a liner core and an outer sleeve, wherein the outer sleeve comprises an outer sleeve body and an outer sleeve inward-extending part; the outer sleeve body consists of a first semicircular outer sleeve body and a second semicircular outer sleeve body; one end of the first semicircular outer sleeve body is connected with one end of the second semicircular outer sleeve body through a torsion spring; and the outer sleeve inward-extending part consists of a first half-cone outer sleeve inward-extending part and a second half-cone outer sleeve inward-extending part. The outer sleeve body of the conventional peritoneoscope puncture outfit has an integrated sleeve-shaped structure, and the outer sleeve body of the puncture outfit of the single-pore peritoneoscope consists of the two semicircular outer sleeve bodies. The special puncture outfit for the single-pore peritoneoscope provides convenience for dismounting the outer sleeve, thereby enlarging the operation operating range, avoiding crowding of apparatus outside an abdominal cavity and providing convenience for operation under the condition that the intra-abdominal pressure is stable.
Description
[technical field]
The present invention relates to a kind of perforator, specifically, is about the special-purpose perforator of a kind of single-hole laparoscopic.
[background technology]
Along with less invasive techniques application and development in the department of general surgery field, guaranteeing safely, reaching under the prerequisite of identical curative effect, adopt the littler clinical means of wound to become the target of knowing together for the people.Because traditional laparoscopic surgery all needs to finish after body surface carries out the multiple spot puncture and inserts illuminator and operating theater instruments, so can stay a plurality of operation cicatrixs at body surface, for further reducing wound, reduce the generation of related complication, (E-NOTES) arises at the historic moment through the umbilicus single-hole laparoscopic surgery.In brief, E-NOTES after puncture produces pneumoperitoneum through umbilical opening, inserts the puncture casing that has a plurality of operations duct, and by operating duct introducing operating theater instruments and luminaire to finish operation technique, specimens from pri is taken out through umbilical opening.Because the operation cicatrix can be covered by the pleat of umbilical opening, so the postoperative patient body surface does not have obvious operation cicatrix.Be applied to abdominal surgery from E-NOTES and successfully carried out multinomial operation since clinical, as cholecystectomy, appendectomy, diverticulectomy of small intestine etc., the result shows that E-NOTES compares with traditional laparoscopic surgery, and the body surface operative incision is few, the post-operative complication incidence rate is low, postoperative pain is light and the hospital stays short.But, comparing with traditional peritoneoscope, still there is some problem that need solve in E-NOTES.At first, because the position of implantation surgery apparatus concentrates, the mutual obstruction between the apparatus all has in various degree influence for exposure, dissection and the illumination of operative site; The second, trocar (perforator) and apparatus enter the abdominal cavity through single hole, certainly will cause trocar and instrument handle to crowd (external instrument crowding) outside the abdominal cavity, thereby have a strong impact on operation.Sometimes, apparatus crowded even become the topmost factor of operation technique that influences outside the abdominal cavity.
In order to satisfy the needs through the umbilicus single-hole laparoscopic surgery, each manufacturer has developed corresponding operating theater instruments, as flexible nipper, elastic separating plier, shears; Most advanced and sophisticated flexible 5mm peritoneoscope or the like.The progress of these apparatuses has promoted the development through the umbilicus single-hole laparoscopic surgery greatly.For example: Chinese patent application: CN2840930 discloses a kind of peritoneoscope locate mode sleeve pipe perforator.This patent mainly solves accurate in locating, guarantees perforator puncture accurate technique problem.Chinese patent application: CN201098461, the improved check valve that is used for perforator.Disclosing this patent has mainly solved owing to puncturing lever makes incision roll the problem of (being commonly called as " skull patch ") to extracting direction when the incision of check valve is outwards pulled out easily.But keeping under the intra-abdominal pressure stable case about solving, enlarging the operation technique scope, avoiding the perforator that apparatus crowds outside the abdominal cavity to yet there are no report.
[summary of the invention]
The objective of the invention is at deficiency of the prior art, provide a kind of single-hole laparoscopic special-purpose perforator.
For achieving the above object, the technical scheme taked of the present invention is:
The special-purpose perforator of a kind of single-hole laparoscopic, comprise and add pressure cap, sealing cap, interior cover core and trocar sheath, described trocar sheath comprises that trocar sheath body and trocar sheath stretch into portion, described trocar sheath body is made up of the first semicircle trocar sheath body and the second semicircle trocar sheath body, be connected by torque spring between the described first semicircle trocar sheath body, one end and the second semicircle trocar sheath body, one end, described trocar sheath stretches into that portion stretches into portion by the symmetrically arranged first half-conical trocar sheath and the second half-conical trocar sheath portion of stretching into forms.
Described torque spring projection inwardly, torque spring covers cushion outward, the described first semicircle trocar sheath body other end is provided with first tongue and groove, second tongue and groove that the second semicircle trocar sheath body other end is provided with and first tongue and groove coincide.
The invention has the advantages that:
1, existing peritoneoscope perforator trocar sheath body is complete cannula-like structure, and trocar sheath body of the present invention is made up of two semicircle trocar sheath bodies.Can be convenient to trocar sheath and shirk, keep under the intra-abdominal pressure stable case, enlarge the operation technique scope, avoid that apparatus crowds in the abdominal cavity outside, be convenient to operation technique.
2, connect by torque spring between two semicircle trocar sheath bodies, torque spring covers cushion outward, makes that trocar sheath body outer wall is smooth.
3, contact surface is provided with identical tongue and groove between two semicircle trocar sheath bodies, makes that two semicircle trocar sheath bulk junction are fashionable more firm.
[description of drawings]
Accompanying drawing 1 is the special-purpose perforator structural representation of a kind of single-hole laparoscopic of the present invention.
Accompanying drawing 2 is structural representations when trocar sheath is opened among the present invention.
Accompanying drawing 3 is that trocar sheath closes fashionable structural representation among the present invention.
Accompanying drawing 4 is that the operator opens trocar sheath power thrusts sketch map.
Accompanying drawing 5A: the peritoneoscope photographic head inserts.
Accompanying drawing 5B: the foundation of handling tongs service aisle.
Accompanying drawing 5C: withdraw from perforator during handling tongs work.
Accompanying drawing 5D: the variation of abdomen internal gas pressure-10 millimetres of mercury when perforator withdraws from.
Accompanying drawing 5E: the variation of abdomen internal gas pressure-11 millimetres of mercury when perforator withdraws from.
Accompanying drawing 5F: the variation of abdomen internal gas pressure-13 millimetres of mercury when perforator withdraws from.
Accompanying drawing 5G: the variation of abdomen internal gas pressure-14 millimetres of mercury when perforator withdraws from.
[specific embodiment]
Below in conjunction with accompanying drawing the specific embodiment provided by the invention is elaborated.
The Reference numeral and the ingredient that relate in the accompanying drawing are as follows:
1. add pressure cap 2. sealing caps
3. interior cover core 4. trocar sheath bodies
5. trocar sheath stretches into portion's 10. trocar sheaths
40. torque spring 41. first semicircle trocar sheath bodies
42. the second semicircle trocar sheath body, 50. first tongue and grooves
60. second tongue and groove, 70. first half-conical trocar sheaths stretch into portion
80. the second half-conical trocar sheath stretches into portion
Please referring to Fig. 1, Fig. 1 is the special-purpose perforator structural representation of a kind of single-hole laparoscopic of the present invention.The special-purpose perforator of a kind of single-hole laparoscopic comprises adding pressure cap 1, sealing cap 2, interior cover core 3 and trocar sheath 10 that described trocar sheath 10 comprises that trocar sheath body 4 and trocar sheath stretch into portion 5.Please referring to Fig. 2, described trocar sheath body 4 is made up of the first semicircle trocar sheath body 41 and the second semicircle trocar sheath body 42, be connected by torque spring 40 between the described first semicircle trocar sheath body, 41 1 ends and the second semicircle trocar sheath body, 42 1 ends, be the cylinder (see figure 3) of a hollow when closing up.Please referring to Fig. 2, described trocar sheath stretches into portion 5 and stretches into portion 70 and the second half-conical trocar sheath by the symmetrically arranged first half-conical trocar sheath and stretch into portion 80 and form, and is the semicircle cone (see figure 3) of hollow when closing up.
Please referring to Fig. 1, Fig. 1 is the special-purpose perforator structural representation of a kind of single-hole laparoscopic of the present invention.The special-purpose perforator of a kind of single-hole laparoscopic comprises adding pressure cap 1, sealing cap 2, interior cover core 3 and trocar sheath 10 that described trocar sheath 10 comprises that trocar sheath body 4 and trocar sheath stretch into portion 5.Please referring to Fig. 2, described trocar sheath body 4 is made up of the first semicircle trocar sheath body 41 and the second semicircle trocar sheath body 42, be connected by torque spring 40 between the described first semicircle trocar sheath body, 41 1 ends and the second semicircle trocar sheath body, 42 1 ends, be the cylinder (see figure 3) of a hollow when closing up.Please referring to Fig. 2, described trocar sheath stretches into portion 5 and stretches into portion 70 and the second half-conical trocar sheath by the symmetrically arranged first half-conical trocar sheath and stretch into portion 80 and form, and is the semicircle cone (see figure 3) of hollow when closing up.Described torque spring 40 projectioies inwardly, torque spring covers cushion (not marking) outward, to guarantee the smooth of perforator trocar sheath body outer wall.The described first semicircle trocar sheath body, 41 other ends are provided with first tongue and groove 50, the second semicircle trocar sheath body, 42 other ends are provided with second tongue and groove 60 that coincide with first tongue and groove 50, first tongue and groove 50 and second tongue and groove, 60 structures, make win semicircle trocar sheath body 41 and the second semicircle trocar sheath body 42 in conjunction with the time more firm.
Need to prove: the cover core is most advanced and sophisticated in the perforator is Three Diamond, and the perforator trocar sheath should be protruded in the Three Diamond tip during insertion, so that perforator can be pushed abdominal wall tissue open when entering, enters the abdominal cavity.
The using method of the special-purpose perforator of the embodiment of the invention 2 single-hole laparoscopics:
Behind the surgery conventional treatment patient, with the special-purpose perforator of a kind of single-hole laparoscopic of embodiment 2, insert umbilical opening, cover core in from add pressure cap, taking out, after inserting laparoscopic instrument, carefully withdraw from the special-purpose perforator of single-hole laparoscopic, the patient between the first semicircle trocar sheath body other end and the second semicircle trocar sheath body other end, locate to both sides exert oneself (as Fig. 4) two-port separated shed trocar sheath.After shedding trocar sheath, the trocar sheath body returns at torque spring and makes the first semicircle trocar sheath body of trocar sheath body and the second semicircle trocar sheath body close automatically under the effect of initial moment to close.When operating theater instruments withdraws from, the patient locates to exert oneself to both sides between the first semicircle trocar sheath body other end and the second semicircle trocar sheath body other end, two-port is separated, in former aperture, insert perforator once more, avoided the damage of apparatus in withdrawing from process and the pair damage that body is caused.
1 data and method
1.1 physical data patient, the male 45 years old, does not have recent cholecystitis acute attack medical history, does not have serious complication; Gallbladder clear-cut, no atrophy are all pointed out in ultrasound diagnosis.
1.2 preparation and anesthesia are with the conventional laparoscopy cholecystectomy before the operation method art.Patient adopts that the head height foot is low, Right deviation 15.The position, monitor places patient's side, and the patient is positioned at patient left side, and one helps and two helps the left and right side that lays respectively at patient.Umbilical opening lower edge curved incision, be about 2cm, cut skin and subcutaneous tissue successively, the special-purpose perforator puncture of single-hole laparoscopic enters the abdominal cavity, the peritoneoscope photographic head is inserted (seeing Fig. 5 A), set up handling tongs service aisle (seeing Fig. 5 B) with method in the umbilical opening lower cut, carefully withdraw from the special-purpose perforator of single-hole laparoscopic, the patient locates two-port is separated to shed trocar sheath (seeing Fig. 5 C) to the both sides (see figure 4) of exerting oneself between the first semicircle trocar sheath body other end and the second semicircle trocar sheath body other end.When shedding the special-purpose perforator of a kind of single-hole laparoscopic, abdomen internal gas pressure moment drops to 10 millimetress of mercury, after this is 11 millimetress of mercury, 13 millimetress of mercury return to 14 millimetress of mercury (see Fig. 5 D, E, F, G).After the special-purpose perforator of a kind of single-hole laparoscopic withdraws from, keep intra-abdominal pressure stable in, enlarge the operation technique scope, avoided the influence of abdominal cavity outer operation operating apparatus phase mutual interference adversary art operation, be convenient to operation technique, take out from umbilical notch cut behind the gallbladder removal.
Need to prove: two doctors also can operate in this laparoscopic procedure, the assistant is the Rhizoma Atractylodis Macrocephalae person of initial station offside just, cuts umbilical part skin and goes to patient's homonymy by foot, and the patient is positioned at nearly head, assistant's main task is to help to control the peritoneoscope camera lens, makes the wild maintenance of art clear.
2 results
Patient's operation is succeeded.Postoperative does not all have complication such as gallbladder leakage, infection of incisional wound to be taken place.Postoperative check wound healing is good, and cicatrix is extremely hidden and be difficult for discovering, and patient is satisfied.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the inventive method; can also make some improvement and replenish, these improvement and replenish and also should be considered as protection scope of the present invention.
Claims (2)
1. the special-purpose perforator of a single-hole laparoscopic, comprise and add pressure cap, sealing cap, interior cover core and trocar sheath, described trocar sheath comprises that trocar sheath body and trocar sheath stretch into portion, it is characterized in that, described trocar sheath body is made up of the first semicircle trocar sheath body and the second semicircle trocar sheath body, be connected by torque spring between the described first semicircle trocar sheath body, one end and the second semicircle trocar sheath body, one end, described trocar sheath stretches into that portion stretches into portion by the symmetrically arranged first half-conical trocar sheath and the second half-conical trocar sheath portion of stretching into forms.
2. the special-purpose perforator of single-hole laparoscopic according to claim 1, it is characterized in that, described torque spring projection inwardly, torque spring covers cushion outward, the described first semicircle trocar sheath body other end is provided with first tongue and groove, and the second semicircle trocar sheath body other end is provided with second tongue and groove that coincide with first tongue and groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910054893 CN101953706B (en) | 2009-07-16 | 2009-07-16 | Special puncture outfit for single-pore peritoneoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910054893 CN101953706B (en) | 2009-07-16 | 2009-07-16 | Special puncture outfit for single-pore peritoneoscope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101953706A true CN101953706A (en) | 2011-01-26 |
| CN101953706B CN101953706B (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910054893 Expired - Fee Related CN101953706B (en) | 2009-07-16 | 2009-07-16 | Special puncture outfit for single-pore peritoneoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101953706B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107898491A (en) * | 2017-12-13 | 2018-04-13 | 无锡圣诺亚科技有限公司 | Safety-type puncture core |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2274943Y (en) * | 1996-03-15 | 1998-02-25 | 张昌金 | Spring curred casing thorax (abdomen) puncture outfit |
| CN201216616Y (en) * | 2008-07-08 | 2009-04-08 | 杨应明 | Instrument for puncture drainage for abdominal cavity |
| CN201453339U (en) * | 2009-07-16 | 2010-05-12 | 上海交通大学医学院附属新华医院 | Detachable puncture outfit |
-
2009
- 2009-07-16 CN CN 200910054893 patent/CN101953706B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107898491A (en) * | 2017-12-13 | 2018-04-13 | 无锡圣诺亚科技有限公司 | Safety-type puncture core |
| CN107898491B (en) * | 2017-12-13 | 2023-11-24 | 无锡华纳医疗科技有限公司 | Safety puncture core |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101953706B (en) | 2013-03-13 |
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Granted publication date: 20130313 Termination date: 20140716 |
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