CN104287794A - Minimally invasive traction bar - Google Patents
Minimally invasive traction bar Download PDFInfo
- Publication number
- CN104287794A CN104287794A CN201410556299.9A CN201410556299A CN104287794A CN 104287794 A CN104287794 A CN 104287794A CN 201410556299 A CN201410556299 A CN 201410556299A CN 104287794 A CN104287794 A CN 104287794A
- Authority
- CN
- China
- Prior art keywords
- rod
- bar body
- gauze
- tractive
- hole
- 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.)
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Classifications
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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
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0218—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for minimally invasive surgery
Abstract
The invention discloses a minimally invasive traction bar, and relates to the technical field of medical surgical instruments. The minimally invasive traction bar comprises a bar body and a chuck, wherein the chuck is connected with the lower end of the bar body through a clamping connection mechanism; the upper end of the bar body is a smooth curved surface; more than two through holes which run through the bar body along the axial direction are formed in the bar body; the through holes are uniformly distributed and arrayed along a center line, which serves as a center shaft, of the bar body; the upper ends of the through holes extend to the outer side of the bar body and are communicated with an exposed oblique groove in the periphery of an upper portion of the bar body; more than two steel wires are fixed on the upper end surface of the chuck and respectively penetrate in the through holes of the bar body; the upper ends of the steel wires extend out of the bar body along the groove; gauze wound at the upper end of the bar body can be clamped tightly; and a gauze locking structure is also arranged on the upper section of the bar body. The gauze wraps the upper section of the bar body; the steel wires are inserted in the through holes of the bar body; while the chuck is pushed towards the bar body, the upper ends of the steel wires extend out of the bar body along the through holes and the groove; and the gauze is firmly fixed under the clamping effect of the two steel wires. By the minimally invasive traction bar, tissue is convenient to drag, the surgery operation speed is increased, and the safety degree is improved.
Description
Technical field
The present invention relates to medical surgical instrument technical field.
Background technology
The abundant exposure of surgical field of view is one of key factor determining successful surgery.In some surgical procedures, the bodily tissues such as organ may stop that surgeon needs the region touched in operation.Surgical operation uses drag hook traditionally, adopts the drag hook of different shape as retractor, make operative site appear good according to difference operation.But along with the development of less invasive techniques, operative incision is more and more less, drag hook is obviously not suitable for the Minimally Invasive Surgery of such as chamber mirror or endoscopic procedure.
The endoscope-assistant surgery Minimally Invasive Surgery that to be namely surgeon guide operate surgical instruments to implement by the monitor image transferred out after inserting tiny light source, video camera from minimal incision *.Because Minimally Invasive Surgery otch is less, drag hook is inconvenient to enter otch, have or even cannot operative incision be entered, thus patient's (implement operation people) usually uses and has the metallic rod body of smooth heads to go deep into otch inside to be pushed aside by tissue, but organizing in body is all comparatively smooth, be difficult to be pushed aside.Therefore, patient can add one deck gauze between metallic rod body and tissue, to increase frictional force between the two, makes tissue be not easy landing.But in endoscope-assistant surgery, operative incision is too little, gauze cannot be sent easily to tractive position, and organize comparatively otch chin-deep when what need tractive, be difficult to especially realize sending of gauze, thus make surgical field of view unintelligible, cause operating time to extend, increase operation risk.
Summary of the invention
Technical problem to be solved by this invention be to provide a kind of structure simple, easy to operate, make gauze not easily slippage, the convenient tissue to otch depths or organ carry out Wicresoft's tractive rod of tractive, improve operation technique speed and safe coefficient, be particularly useful in Minimally Invasive Surgery operation.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
Wicresoft's tractive rod, comprise the body of rod and dop, described dop is connected with body of rod lower end by clamping mechanism; Described body of rod upper end is round and smooth curved surface, plural through hole through is vertically provided with in the described body of rod, described through hole is the uniform arrangement of axle centered by the centrage of the body of rod, and described through hole upper end extends to outside the body of rod and the oblique groove exposed with body of rod upper section periphery is through; The steel wire of more than two is fixed in described dop upper surface, and described steel wire is each passed through the through hole of the described body of rod and upper end is external along groove extension bar, the gauze clamping that body of rod upper end can be wound around; Described body of rod epimere is also provided with gauze disconnecting prevention structure.
Preferably, described through hole and oblique groove all uniform arrangements of axle centered by the centrage of the body of rod.
Preferably, described body of rod inner via hole is two, and described steel wire is two.
Preferably, described clamping mechanism comprises two resilient inserting joints of dop upper surface and two draw-in grooves of body of rod lower surface, two draw-in groove clampings of described two resilient inserting joints and body of rod lower surface.
Preferably, described body of rod epimere is provided with reverse taper, and the top of described reverse taper is spherical crown shape, and described reverse taper lower end is connected with the columniform body of rod, and the oblique groove through with through hole is located at described reverse taper part.
Preferably, described gauze disconnecting prevention structure is the cross projection that the upper-end outer surface of the body of rod distributes.
Preferably, the length of described body of rod epimere reverse taper is 6cm, and the length of the described cylindrical body of rod is 34cm, diameter is 5mm, and described steel wire diameter is 2mm, and described steel wire length is 39cm.
The beneficial effect adopting technique scheme to produce is: in the body of rod, establish through hole through vertically, the groove that reverse taper periphery on through hole upper end and the body of rod is exposed is through, the steel wire that dop is fixed is interted in through hole, bundle is rolled on reverse taper, the cross projection on its outer surface is utilized to increase the frictional force of body of rod surface and gauze, prevent gauze slippage, in the draw-in groove resilient inserting joint of dop upper surface being pushed into body of rod lower surface, clamping is firm with it, the upper end of steel wire then can along through hole, groove extension bar is external, under the Steelwire holding of two rigidity, gauze is firmly fixed on the body of rod.Utilize the present invention can not only be applied in routine operation, can also be applied in the operation of endoscope-assistant surgery or comparatively dark tissue, otch can be entered easily, and not with other operating theater instruments interfere, many tractive rods can also be put in realize the tractive to larger tissue time necessary, the simultaneously existence of gauze increases the frictional force between tissue and tractive rod, make to facilitate and safety by draw tissue, to reach the abundant exposure of surgical field of view.The present invention have structure simple, make gauze not easily slippage, the convenient tissue to otch depths or organ carry out Wicresoft's tractive rod of tractive, improve operation technique speed and safe coefficient.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is A-A sectional view in Fig. 1;
Fig. 3 is B-B profile in Fig. 1;
Fig. 4 is the structural representation of dop in Fig. 1;
Fig. 5 is the left view of Fig. 4;
In figure: the 1-body of rod, 2-dop, 3-steel wire, 4-resilient inserting joint, 5-is protruding, 6-draw-in groove, 7-groove.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
A kind of Wicresoft tractive rod as shown in Fig. 1-5, comprise the body of rod 1 and dop 2, described dop 2 is connected with the body of rod 1 lower end by clamping mechanism; The described body of rod 1 upper end is round and smooth curved surface, is provided with plural through hole through vertically in the described body of rod 1, and described through hole upper end extends to outside the body of rod 1 and the oblique groove 7 exposed with the body of rod 1 upper section periphery is through; The steel wire 3 of more than two is fixed in described dop 2 upper surface, and described steel wire 3 is each passed through the through hole of the described body of rod 1 and upper end is stretched out outside the body of rod 1 along groove 7, the gauze clamping that the body of rod 1 upper end can be wound around; The described body of rod 1 epimere is also provided with gauze disconnecting prevention structure.
As a kind of preferred structure, all uniform arrangements of axle centered by the centrage of the body of rod 1 of described through hole and oblique groove 7.For the ease of making, described body of rod inner via hole is two, and the steel wire 3 on dop 2 is two.
Described clamping mechanism comprises two resilient inserting joints 4 of dop 2 upper surface and two draw-in grooves 6 of the body of rod 1 lower surface, two draw-in grooves 6 clamping of described two resilient inserting joints 4 and the body of rod 1 lower surface.Two resilient inserting joints 4 are identical with the inserting mode of netting twine crystal connector with the connected mode of the body of rod 1, and push in the draw-in groove 6 of body of rod lower end by the resilient inserting joint 4 of elastic chuck 2, can realize the connection of the two, same dismounting also facilitates.Described clamping mechanism also can establish steady pin in dop 2 upper end, establishes friction tight hole with it to fix dop 2, or adopt the cooperation of collision bead structure between the two in the body of rod 1 lower end.
As a kind of preferred structure, the described body of rod 1 epimere is provided with reverse taper, the top of described reverse taper is spherical crown shape, described reverse taper lower end is connected with the columniform body of rod 1, the oblique groove 7 through with through hole is located at described reverse taper part, and the structure of reverse taper also can avoid the gauze slippage of parcel on it.Simultaneously in order to increase the frictional force between the body of rod 1 and gauze, prevent gauze in operation process from coming off from the body of rod 1, gauze disconnecting prevention structure is also provided with at the body of rod 1 epimere, described gauze disconnecting prevention structure is the cross projection 5 that the outer surface of the body of rod (1) upper end distributes, and gauze disconnecting prevention structure also can be reticulate patterned surface or cone-shaped projection.So just make gauze in the body of rod 1 upper end fixation, the simultaneously existence of gauze increases the frictional force between tissue and tractive rod, make to facilitate and safety by draw tissue, to reach the abundant exposure of surgical field of view.
In order to adapt to the operation compared with deep tissues, be 6cm by the Design of length of the body of rod 1 epimere reverse taper, the length of the cylindrical body of rod 1 is 34cm, diameter is 5mm, described steel wire 3 diameter is 2mm, and described steel wire 3 length is 39cm.The diameter of the body of rod 1 is only 5mm, steel wire 3 diameter is 2mm, and its inner via hole can only be two, and the body of rod 1 diameter of 5mm can enter otch easily, and not with other operating theater instruments interfere, many tractives rods can also be put in time necessary to realize the tractive to larger tissue.
During concrete operations, bundle is rolled in the reverse taper outer surface on the body of rod 1, the cross protruding 5 on its outer surface is utilized to increase the frictional force of the body of rod 1 and gauze, prevent gauze slippage, in two through holes that two steel wires 3 fixing on dop 2 are interted in the body of rod 1, in the draw-in groove 6 resilient inserting joint 4 of dop 2 upper surface being pushed into the body of rod 1 lower surface, clamping is firm with it, 3, steel wire can along through hole, groove 7 stretches out outside the body of rod 1, under the steel wire 3 of two rigidity clamps, gauze is firmly fixed on the body of rod 1, stretch out smoothly at the port of export for the ease of steel wire 3, the upper end of steel wire 3 is outwards tilted slightly.
The present invention can not only be applied in routine operation, can also be applied in the operation of endoscope-assistant surgery or comparatively dark tissue, otch can be entered easily, and not with other operating theater instruments interfere, many tractive rods can also be put in realize the tractive to larger tissue time necessary, the simultaneously existence of gauze increases the frictional force between tissue and tractive rod, make to facilitate and safety by draw tissue, to reach the abundant exposure of surgical field of view.The present invention have structure simple, easy to operate, make gauze not easily slippage, the convenient tissue to otch depths or organ carry out Wicresoft's tractive rod of tractive, improve operation technique speed and safe coefficient, be particularly useful in Minimally Invasive Surgery operation.
Claims (7)
1. Wicresoft's tractive rod, is characterized in that: comprise the body of rod (1) and dop (2), described dop (2) is connected with the body of rod (1) lower end by clamping mechanism; The described body of rod (1) upper end is round and smooth curved surface, plural through hole through is vertically provided with in the described body of rod (1), described through hole is the uniform arrangement of axle centered by the centrage of the body of rod (1), and described through hole upper end extends to the body of rod (1) outside and the oblique groove (7) exposed with the body of rod (1) upper section periphery is through; The steel wire (3) of more than two is fixed in described dop (2) upper surface, and described steel wire (3) is each passed through the through hole of the described body of rod (1) and the body of rod (1) is stretched out outward along groove (7) in upper end, the gauze clamping that the body of rod (1) upper end can be wound around; The described body of rod (1) epimere is also provided with gauze disconnecting prevention structure.
2. Wicresoft according to claim 1 tractive rod, is characterized in that: all uniform arrangements of axle centered by the centrage of the body of rod (1) of described through hole and oblique groove (7).
3. Wicresoft according to claim 1 tractive rod, it is characterized in that: the described body of rod (1) inner via hole is two, described steel wire (3) is two.
4. Wicresoft according to claim 3 tractive rod, it is characterized in that: described clamping mechanism comprises two resilient inserting joints (4) of dop (2) upper surface and two draw-in grooves (6) of the body of rod (1) lower surface, two draw-in grooves (6) clamping of described two resilient inserting joints (4) and the body of rod (1) lower surface.
5. Wicresoft according to claim 1 tractive rod, it is characterized in that: the described body of rod (1) epimere is provided with reverse taper, the top of described reverse taper is spherical crown shape, described reverse taper lower end is connected with the columniform body of rod (1), and the oblique groove (7) through with through hole is located at described reverse taper part.
6. the Wicresoft's tractive rod according to claim 1 or 4, is characterized in that: described gauze disconnecting prevention structure is the cross projection (5) that the upper-end outer surface of the body of rod (1) distributes.
7. Wicresoft according to claim 5 tractive rod, it is characterized in that: the length of the described body of rod (1) epimere reverse taper is 6cm, the length of the described cylindrical body of rod (1) is 34cm, diameter is 5mm, and described steel wire (3) diameter is 2mm, and described steel wire (3) length is 39cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410556299.9A CN104287794B (en) | 2014-10-20 | 2014-10-20 | Wicresoft's tractive rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410556299.9A CN104287794B (en) | 2014-10-20 | 2014-10-20 | Wicresoft's tractive rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104287794A true CN104287794A (en) | 2015-01-21 |
| CN104287794B CN104287794B (en) | 2016-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410556299.9A Expired - Fee Related CN104287794B (en) | 2014-10-20 | 2014-10-20 | Wicresoft's tractive rod |
Country Status (1)
| Country | Link |
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| CN (1) | CN104287794B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108478243A (en) * | 2018-05-02 | 2018-09-04 | 王从军 | A kind of Anal pull hook |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005120366A2 (en) * | 2004-06-07 | 2005-12-22 | Ophir Fromovich | Periosteal distraction |
| CN2824845Y (en) * | 2005-09-01 | 2006-10-11 | 程军 | Steel wire traction device for orthopedics department |
| CN202699198U (en) * | 2012-07-03 | 2013-01-30 | 钱继涛 | Stay bar for multifunctional abdominal retractor |
| US20130281784A1 (en) * | 2012-04-23 | 2013-10-24 | Stephen P. RAY | Surgical sleeve suction retractor |
| CN204133511U (en) * | 2014-10-20 | 2015-02-04 | 李勇 | Wicresoft's tractive rod |
-
2014
- 2014-10-20 CN CN201410556299.9A patent/CN104287794B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005120366A2 (en) * | 2004-06-07 | 2005-12-22 | Ophir Fromovich | Periosteal distraction |
| CN2824845Y (en) * | 2005-09-01 | 2006-10-11 | 程军 | Steel wire traction device for orthopedics department |
| US20130281784A1 (en) * | 2012-04-23 | 2013-10-24 | Stephen P. RAY | Surgical sleeve suction retractor |
| CN202699198U (en) * | 2012-07-03 | 2013-01-30 | 钱继涛 | Stay bar for multifunctional abdominal retractor |
| CN204133511U (en) * | 2014-10-20 | 2015-02-04 | 李勇 | Wicresoft's tractive rod |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108478243A (en) * | 2018-05-02 | 2018-09-04 | 王从军 | A kind of Anal pull hook |
| CN108478243B (en) * | 2018-05-02 | 2024-03-29 | 广西医科大学第一附属医院 | Anus retractor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104287794B (en) | 2016-06-22 |
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Granted publication date: 20160622 Termination date: 20201020 |