CN2600114Y - Drainage-tube guiding knife - Google Patents
Drainage-tube guiding knife Download PDFInfo
- Publication number
- CN2600114Y CN2600114Y CN 02292532 CN02292532U CN2600114Y CN 2600114 Y CN2600114 Y CN 2600114Y CN 02292532 CN02292532 CN 02292532 CN 02292532 U CN02292532 U CN 02292532U CN 2600114 Y CN2600114 Y CN 2600114Y
- Authority
- CN
- China
- Prior art keywords
- cutter
- drainage tube
- handle
- head
- intermediate plate
- 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 - Fee Related
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Abstract
The utility model relates to a drainage-tube guiding knife which comprises a knife-guiding entity 1. The knife-guiding entity comprises a handle 2 and a knife head 3, which is arranged in the front of the handle 2. The knife head comprises a cutter 4, on the top of which is the multiple-edged blade 5. Fixed nip is arranged at the back of the handle 2. The utility model is easy to operate, and the size of the incision can be easily controlled so as to reduce the reduce incision wounds, which is beneficial to the postoperative recovering. The drainage tube does not shed.
Description
Technical field
This utility model relates to a kind of scalpel, and especially a kind of splanchnocoel drainage is guided cutter with drainage tube.
Background technology
In the surgical operation, when carrying out the splanchnocoel operation, often need indwelling drainage tube, its purpose is drain hydrops, empyema, the hemorrhage situation of observation surgical wound surface and prevention of postoperative complication.And when indwelling drainage tube, need cut the otch (the thickness different incisions according to drainage tube is bigger or slightly little) of the about 1～2cm size of skin with scalpel or electric knife, reuse vascular forceps or curved forceps stabbed the breast stomach wall, opening pliers clamps drainage tube and passes from skin incisions, after adjusting the position, methods such as reuse suture colligation are drainage tube fixedly.
There are following shortcoming in present scalpel or electric knife when cutting otch:
1, the otch size is difficult for grasping.The otch of indwelling drainage tube skin is a size of judging (or naked eyes judgement) required otch according to patient's experience, easily has the excessive or too small situation of otch.The excessive increase sewing needle number that needs of otch increases wound.The too small meeting of otch makes drainage tube be subjected to the extruding of incision skin, and the softer drainage tube of quality can be out of shape, and influences drainage effect; Severe patient tube chamber distortion constriction does not obviously have the drain purpose; Owing to the too small tension force that relatively increases drainage tube of otch, patient's local pain is obvious later to cause the narcotic analgesic phase in addition, will increase the burden of patient and hospital.
2, easily strengthen the otch wound.Stab the breast stomach wall with vascular forceps or curved forceps in the art, be management of blunt injuries, when increasing damaged tissue, also be unfavorable for the postoperative healing; And need to open pliers in the art and clamp drainage tube, can increase the management of blunt injuries of pliers joint part like this breast abdominal wall tissue.
3, drainage tube easily comes off.Because vascular forceps or curved forceps pass the tract that forms behind the breast stomach wall and the thickness and the profile of drainage tube there are differences, and exist the situation that drainage tube comes off in practical operation, puncture will obviously increase the damage of local organization once more.
The utility model content
This utility model has solved the technical problem that the drainage tube guiding cutter otch size of using in the background technology mesothorax intraperitoneal drainage art is difficult for grasping, easily strengthening the otch wound.
Technical solution of the present utility model is: this utility model comprises guiding cutter hub 1, guiding cutter hub 1 comprises handle 2 and cutter head 3, cutter head 3 is arranged on handle 2 front ends, and its special character is: described cutter head 3 comprises cutting head 4, and cutting head 4 tips are polygonal pyramid shape incline blade 5.
Above-mentioned cutting head 4 tips are two pyramid incline blades.
Above-mentioned handle 2 rear ends are provided with fixation clamp 6.
Said fixing folder 6 comprises intermediate plate 7 and intermediate plate base 8, and intermediate plate base 8 is arranged on handle 2 rear end central authorities, and intermediate plate 7 is arranged between intermediate plate base 8 and handle 2 inwalls.
Above-mentioned intermediate plate base 8 comprises connecting rod 9, center pillar 10 and sleeve column 11.
Said fixing folder 6 is elasticity clamping structure, screw thread structure, external fixation structure, piston sample elastic construction or the involutory structure of claw type.
Above-mentioned handle 2 is a split-type structural with cutter head 3, and handle 2 is hollow, and it adopts clamping with 3 of cutter heads or is threaded.
Above-mentioned cutter head 3 is the double-pole head, and cutter head 3 middle parts are projection 12, and the one end is a cutting head 4, and the other end is blunt nosed 13.
The both sides of above-mentioned cutter head 3 projectioies 12 are provided with step-like depression 14, and corresponding step-like depression 14 places are provided with snap ring 15 in handle 2 walls.
The utlity model has following advantage:
1, otch size control easily.This utility model has designed the double end cutter head that has many ribs and be conoid, and cutting head is flat, head point, and the sharp incline in both sides can prick skin and sharp property incision breast abdominal wall tissue; This utility model is according to the maximum incline external diameter of the equal cutting head of drainage tube external diameter design commonly used simultaneously, and the skin incision size matches with the drainage tube external diameter, reduces unnecessary skin injury, reduces patient's misery.
2, reduce the otch wound, help the postoperative healing.Form linear cuts behind the two incline blades cutting skin of this utility model design, management of blunt injuries when having reduced vascular forceps or curved forceps puncture, be beneficial to the post-surgical trauma healing, minimizing local scar, handle are called cylinder shape mutually with the drainage tube profile, pass the duct of breast stomach wall formation and paste mutually, can reduce the hemorrhage of puncture position breast abdominal wall tissue and damage with the drainage tube outer wall.
3, drainage tube can not come off.This utility model is provided with the drainage tube fixation clamp at handle back segment end, and the guiding drainage tube together passed when cutter head and handle passed the breast stomach wall, reduces tissue injury in the time of easy operation.
4, easy to operate.Cutter head of the present utility model other end is conical, not sharp keenly is blunt point, and it can be done the skin surface labelling and use when selecting to keep somewhere point; Cutter head middle part is two step-like depressions and a projection, matches with snap ring in the handle, and operation is convenient in arbitrarily conversion between the double end, the protection operator, and the while also can be protected cutting head.
Description of drawings
Accompanying drawing is this utility model structural representation.
The specific embodiment
Referring to accompanying drawing, this utility model main part structure comprises three parts: cutter head 3, handle 2 and fixation clamp 6, and cutter head 3 is a double end, and one is cutting head 4, and the other end is a cone shape blunt nosed 13; These cutting head 4 tips are polygonal pyramid shape incline blade 5, and it can be two ribs, rhizoma sparganic or four ribs etc., is good with two pyramid incline blades; Cutter head 3 middle parts are a projection 12 and two step-like depressions 14, and handle 2 is a hollow structure, and front end side wall has two snap rings 15, snap ring 15 inside circular protrusions, and its step-like depression 14 with cutter head 3 is corresponding identical, can be used to fixedly cutter head 3.Handle 2 rear ends are provided with fixation clamp 6, fixation clamp 6 comprises intermediate plate 7 and intermediate plate base 8, and intermediate plate base 8 is arranged on handle rear end central authorities, the cylindrical shaft structure that it is made up of connecting rod 9, center pillar 10 and sleeve column 11,7 of connecting rod 9 and intermediate plates be card mutually, can prevent that intermediate plate base 8 from deviating from backward; Intermediate plate 7 is " S " type elastic stainless steel sheet, by the axial plane arthrodesis 8 of handle two side, 2 rear portion and intermediate plate bases; Fixation clamp 6 also can be designed to the screw thread structure, and after drainage tube was inserted in base, the preceding base that revolves was fixed between base and the handle 2 drainage wall; Fixation clamp 6 also can adopt other mechanical clamping bodies such as elasticity clamping structure, external fixation structure, piston sample elastic construction or the involutory structure of claw type.But this utility model also peripheral hardware one drum shape rustless steel quality support the cutter tube, it can prop up the breast stomach wall in art, convenient guiding cutter carries out otch.
This utility model is before work, carry out the installation of drainage tube guiding cutter earlier: hand-held handle 2, with cutting head 4 forward, blunt nosed 13 backwards to the handle 2 that inserts hollow, reinforcing snaps in the step-like depression 14 on the cutter head 3 snap ring 15 of handle side wall, handle wall props up the projection 12 of cutter head, then drainage tube is inserted in the sleeve column 11 of card base 8, before push away card base 8, center pillar 10 extruding intermediate plates 7 front portions are arched it, tighten up to the inside at intermediate plate 7 rear portions, drainage tube fixedly finishes, and finishes the installment work of whole drainage tube guiding cutter.During operation, the handle portion of operator's one hand-held drainage tube guiding cutter, put the drainage tube of cutter head 3 outside the breast abdominal skin and keep somewhere the some place, another hand-held cutter tube that supports places corresponding breast stomach wall inboard, two palmistrys are to having an effect, the digonous taper incline blade that cutter head is sharp keen cuts skin, subcutaneous tissue, breast abdominal wall muscle tissue, pleuroperitoneum, until passing the breast stomach wall, fall through and enter to the cutter tube, handle 2 guiding is fixed after folder 6 fixed drainage tubes pass the breast stomach wall, post-tensioning intermediate plate base 8, and the intermediate plate 7 of fixation clamp 6 is upspring, drainage tube is taken off from base sleeve column 11, finishes the guiding of drainage tube and places.
Claims (9)
1, a kind of drainage tube guiding cutter, comprise guiding cutter hub (1), described guiding cutter hub (1) comprises handle (2) and cutter head (3), described cutter head (3) is arranged on handle (2) front end, it is characterized in that: described cutter head (3) comprises cutting head (4), and described cutting head (4) tip is a polygonal pyramid shape incline blade (5).
2, drainage tube guiding cutter as claimed in claim 1, it is characterized in that: described cutting head (4) tip is two pyramid incline blades.
3, drainage tube guiding cutter as claimed in claim 1, it is characterized in that: described handle (2) rear end is provided with fixation clamp (6).
4, drainage tube guiding cutter as claimed in claim 3, it is characterized in that: described fixation clamp (6) comprises intermediate plate (7) and intermediate plate base (8), described intermediate plate base (8) is arranged on handle (2) rear end central authorities, and described intermediate plate (7) is arranged between intermediate plate base (8) and handle (2) inwall.
5, drainage tube guiding cutter as claimed in claim 4, it is characterized in that: described intermediate plate base (8) comprises connecting rod (9), center pillar (10) and sleeve column (11).
6, drainage tube guiding cutter as claimed in claim 4, it is characterized in that: described fixation clamp (6) is elasticity clamping structure, screw thread structure, external fixation structure, piston sample elastic construction or the involutory structure of claw type.
7, drainage tube as claimed in claim 1 guiding cutter, it is characterized in that: described handle (2) be a split-type structural with cutter head (3), and described handle (2) is hollow, its with cutter head (3) between employing clamping or be threaded.
8, drainage tube guiding cutter as claimed in claim 7, it is characterized in that: described cutter head (3) is the double-pole head, and described cutter head (3) middle part is a projection (12), and the one end is cutting head (4), and the other end is blunt nosed (13).
9, drainage tube guiding cutter as claimed in claim 8, it is characterized in that: the both sides of described cutter head (3) projection (12) are provided with step-like depression (14), and corresponding step-like depression (14) locates to be provided with snap ring (15) in described handle (2) wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02292532 CN2600114Y (en) | 2002-12-27 | 2002-12-27 | Drainage-tube guiding knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02292532 CN2600114Y (en) | 2002-12-27 | 2002-12-27 | Drainage-tube guiding knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2600114Y true CN2600114Y (en) | 2004-01-21 |
Family
ID=34151668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02292532 Expired - Fee Related CN2600114Y (en) | 2002-12-27 | 2002-12-27 | Drainage-tube guiding knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2600114Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109431582A (en) * | 2018-11-06 | 2019-03-08 | 广东工业大学 | A kind of minimally invasive liquid absorbing surgical knife |
-
2002
- 2002-12-27 CN CN 02292532 patent/CN2600114Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109431582A (en) * | 2018-11-06 | 2019-03-08 | 广东工业大学 | A kind of minimally invasive liquid absorbing surgical knife |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |