CN102488551A - Electric picking and tracting hook for separating small blood vessels under microscope - Google Patents
Electric picking and tracting hook for separating small blood vessels under microscope Download PDFInfo
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- CN102488551A CN102488551A CN2011103888590A CN201110388859A CN102488551A CN 102488551 A CN102488551 A CN 102488551A CN 2011103888590 A CN2011103888590 A CN 2011103888590A CN 201110388859 A CN201110388859 A CN 201110388859A CN 102488551 A CN102488551 A CN 102488551A
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Abstract
The invention relates to an electric picking and tracting hook for separating small blood vessels under a microscope, which can be used for safely separating and reserving parathyroid glands blood vessels during a surgery, and is provided with a metal hook rod (1). In the invention, an insulation sleeve body (2) is covered on the hook rod; a hook arm (3) is integrally connected to the front end of the hook rod in a bending way; an uncovered joint section (11), which can be connected to a handle of an electrocoagulation scalpel in an insertion way, is arranged on the rear end part of the hook rod; an uncovered transition section (12) is arranged on the front end part of the hook rod; a rotation-stop structure section (21), which is matched with the handle of the electrocoagulation scalpel, is arranged on the rear end part of the insulation sleeve body; the length of the hook rod is 110mm-160mm; the hook arm is in a straight form and has 2.5mm-5.0mm long; a break angle alpha between the hook rod and the hook arm is 115 degrees-135 degrees; the radial dimension of a transition zone from the hook rod to the hook arm is in a gradual change form; and the front end of the hook arm is a blunt circular arc end. The electric picking and tracting hook for separating the small blood vessels under the microscope, provided by the invention, is used for separating and reserving the parathyroid glands blood vessels during the thyroid surgery.
Description
Technical field
The present invention relates to the thyroid surgical operating instrument; Particularly little otch scope or scope are assisted thyroid operation (improvement Miccoli endoscopic technic pattern) (Minimally Invasive Video-assistedThyroidectomy, MIVAT) operating theater instruments of parathyroid gland and supply vessels thereof separation reservation operations in the art.
Technical background
Parathyroid gland is a human endocrine gland.Its bodily form is very little (to be about 3-8 millimeter, wide 2-5 millimeter, thick 0.5-2 millimeter.Heavily about 35-50 milligram), is oblate or oval, tunicle and base of a fruit blood vessel (feeding artery and reflux veins) are arranged self.Generally there are two pairs up and down, lay respectively at the dorsal surface of the left and right leaf of thyroid.The parathyroid hormone of pth secretion have regulates the important function of maintaining the serum calcium physiological level.Because serum calcium is the direct sources of the inside and outside liquid calcium of cells in vivo, this hormone is very big to human nerve-excitation of muscle influence, promptly can cause mouthful all numb limbs and tense tendons during hyposecretion, even tetany; Can cause osteoporosis and lithangiuria during supersecretion.
In thyroid operation, often must separate and keep parathyroid gland.But the parathyroid bodily form is very little, and color and luster is close with fat, and blood vessel is very thin and be close to thyroid dorsal part tunicle again, and the observation careless manipulation is cut very easily by mistake or injured its supply vessels, causes body of gland to lose and/or ischemic necrosis.As a result, will to occur with low blood calcium hyposexuality and/or muscle twitches be the severe complication of main table disease to patient's postoperative.In view of the latter influences greatly patients ' life quality; Still there is not desirable remedial measure at present both at home and abroad again; Most doctors just are reluctant to take risks to do and relate to the full leaf resection operation of the other isolating thyroid of gland (generally get the pessimistic scheme of big excision of a side gland leaf excision+offside gland leaf, place hope on the offside two pieces of other glands survivals of withing a hook at the end).Yet even if so careful, permanent hypoparathyroidism or deletion condition still happen occasionally.
Obviously, want to guarantee operation safety and improve the operation quality, just must set up the separation reservation technology of a kind of practicable other gland and supply vessels thereof.The inventor is an operating platform with little otch scope or scope assisted surgery (improvement Miccoli endoscopic technic pattern); Set up a kind of observational technique that can see other gland and supply vessels thereof clearly earlier and (reset the wild switching displayed method of Jiao-double vision; By the 10-14 video image of clear amplification doubly; Reliablely and stablely identification and the other gland of affirmation, and can also clearly observe its very thin supply vessels).Then through the scope microscopic applications dissect research got clear the dissection of other gland blood supply system constitute (three grades of arteriovenous blood supply systems and with the vessel of thyroid system between relatedness) and certificate confirmed separating basically of other gland and supply vessels thereof of tactful (reservation relevant blood vessel; From disconnected irrelevant blood vessel, the very thin arteriovenous of promptly being close to fibrous capsule of thyroid gland separation cut turnover body of gland adheres to separately props up).On this basis, get back to practical operation at last, set about development and design the luxuriant disconnected electricity consumption of the micro-branch of the present invention-minute blood vessel choose and lead hook.
Clinic trial result proves that it is all good that this electricity is chosen the work space compliance and the topography adaptability that lead hook.By " divide-choose-coagulate-the Qie manipulation, not only dissociating easily appears very thin blood vessel, and can conveniently it be closed cut-out with fixed attention.Be that basic apparatus implementation and operation can safety, stable, realize that quickly the separation of parathyroid gland and supply vessels thereof keeps.
Update search is not seen to have to choose with this electricity and is led the same or analogous apparatus of hook report.
Summary of the invention
The present invention will solve and be difficult to separate the operational issue that keeps parathyroid gland and supply vessels thereof in the thyroid operation; Provide the luxuriant disconnected electricity consumption of the micro-branch of a kind of minute blood vessel of the present invention to choose for this reason and lead hook; This electricity is chosen and is led can be in the thyroid operation convenient very thin blood vessel that separates around the parathyroid gland of hook; And when appearing, judge, close with fixed attention, leaving disconnected these blood vessels, intact reservation parathyroid gland and supply vessels system thereof.
For addressing the above problem; Its special character of technical scheme that the present invention adopts is to be provided with metal matter shank, is coated with the insulation body on the shank, is connected with to the bending of shank front end integraty the hook arm; The shank rearward end can be inserted the adapter section that is connected in the electric coagulating knife handle for exposed; The shank leading section is exposed changeover portion, and said insulation body rearward end is for being matched with the resistance rotation structure section of electric coagulating knife handle, like the hexagonal structural sections of cross section.
Said shank length is operated suitability (stability and feel) for suitable after connecting the electric coagulating knife handle with shank, and this length can be 110 millimeters～160 millimeters; Said hook arm is straight type hook arm, and the hook arm lengths can be 2.5 millimeters～5.0 millimeters, and knuckle α can be 115 °～135 ° between shank and hook arm; Be gradual change shape from shank to hook arm transition zone radial dimension; Hook arm front end is blunt type arc end, and promptly end face is sphere shape, but not sharp end.
The adapter section diameter of said shank can be 1.8～2.4 millimeters, but adaptively is connected in general electric coagulating knife handle and is as the criterion to insert.
The bending part shape of cross section that said shank links to each other with the hook arm is preferably Long Circle or ellipse, and Long Circle or oval-shaped major diameter and minor axis be the width and the thickness of corresponding bending junction respectively.
Said insulation body rear portion should have the fin that radially extends out, and pinches plug to make things convenient for banjo splint; Be typically and have three road fins.
Said hook arm shape of cross section is preferably Long Circle or ellipse, and Long Circle or oval-shaped major diameter and minor axis be the width and the thickness of corresponding hook arm respectively.
Said shank length is preferably 120 millimeters～140 millimeters, and the hook arm lengths is preferably 3.0 millimeters～4.0 millimeters, and knuckle α is preferably 120 °～130 ° between shank and hook arm.
Should the antiseized coat of metal of nanoscale be arranged at the anterior section coating surface of the shank of said hook arm and connection thereof, hook arm and the anterior metal surface of shank and being closed between tissue with fixed attention sticks together when avoiding work.
Said hook arm rearward end width D 1 is preferably 0.7～0.9 millimeter, and hook arm leading section width is preferably 0.6～0.8 millimeter.
More preferably 130 millimeters of said shank length, more preferably 3.5 millimeters of hook arm lengths, knuckle α is more preferably 125 ° between shank and hook arm.
The luxuriant disconnected electricity consumption of the micro-branch of minute blood vessel of the present invention is chosen and led hook is the auxiliary thyroid operation of little otch scope or scope (improvement Miccoli endoscopic technic pattern; Minimally Invasive Video-assistedThyroidectomy, MIVAT) the separation reservation operations of parathyroid gland and supply vessels thereof is used apparatus in the art.Electricity is chosen the shank rearward end of leading hook and is inserted the use of electric coagulating knife handle socket.
The present invention system dissects formation and separates tactful development and design according to the parathyroid gland blood supply system.
The anterior transition from coarse to fine of the length of shank, diameter and shank is that the designer considers whole tool profile and the size that itself and operation (improvement Miccoli endoscopic technic pattern) approach and chamber local space adapt among the present invention.
Among the present invention between the blunt circular arc of hook end, hook arm lengths, hook arm and shank the preferably round flat transition in knuckle and knuckle place be to consider that itself and separate object (gap under three grades of blood vessels of short and very thin thyroid and the blood vessel thereof) adapt.
The insulation body that coats on the shank among the present invention (adopting the electric insulation plastic material) is the histoorgan of considering beyond separation shank and the operation technique point, in order to avoid inoperative property electric injury is caused in unexpected between the two contact formation loop when operation.In addition, the geometry of insulation body for be fit to common electric coagulating knife handle between plug be connected.
Particularly, the knuckle among the present invention between hook arm and shank, 115～135 ° of α; 120～130 ° of preferred α; More preferably α is 125 °, is to consider that its hook end is prone to brokenly go into the fascial space under the minute blood vessel, the righttest the breaking into the angle that forms about 30 ° between hook arm axle line and vessels axis.The blunt circular arc of hook end is after considering brokenly minute blood vessel among the present invention, the unlikely blood vessel wall of tearing when axial slip enlarges the fascial space.
The present invention ties up to the micro-amplification imaging method of a kind of scope of having set up earlier (resetting the wild switching displayed of Jiao-double vision); And borrow it to put parathyroid gland supply vessels system formation in order (and on the basis of the relation between the thyroid supply vessels system (microsurgery Applied Anatomy observed result); Separate the reservation operations strategy according to the parathyroid gland of new formulation and supply vessels thereof, develop formation at last to the micro-separation requirement of minute blood vessel.Concrete with dividing luxuriant disconnected thyroid third level blood vessel (arteriovenous of the existing body tunicle of turnover adhere to separately) in the Rhizoma Atractylodis Macrocephalae, and keep the supply vessels (base of a fruit blood vessel and upper level arteriovenous thereof adhere to separately and prop up) of other gland thus indirectly.Its process or employing maneuver can be described as " dividing-choose-coagulate-Qie " method, and promptly choosing through dissociating earlier and leading the differentiation particular blood vessel is the parathyroid gland relevant blood vessel, or irrelevant blood vessel.Relevant blood vessel is kept, irrelevant blood vessel is then closed cut-out choosing conveniently with fixed attention on the basis of leading.
Can dissociate, appear, close with fixed attention and cut off in one by blood-collecting tube in the Rhizoma Atractylodis Macrocephalae of the present invention, need not substitute apparatus, simple to operate, coherent, quick.The clinic trial result of appearance tool of the present invention shows; " dividing-choose-coagulate-Qie " maneuver by means of letter; Can safety, fast, consistently accomplish other gland peripheral region (non-other gland belongs to) minute blood vessel dissociating, appear, closing with fixed attention with from accurate operation such as disconnected, thereby intact reservations side gland supply vessels system.
Description of drawings
Fig. 1 is an outline drawing of the present invention;
Fig. 2 is a structural representation of the present invention;
Fig. 3 is Fig. 1 enlarged drawing;
Fig. 4 is Fig. 2 enlarged drawing;
Fig. 5 is Fig. 2 partial enlarged drawing;
Fig. 6 is that enlarged drawing is looked on Fig. 1 right side;
Fig. 7 is that enlarged drawing is looked on Fig. 1 left side;
Fig. 8 is Fig. 3 A-A cutaway view Amplified image;
Fig. 9 is Fig. 5 B-B cutaway view Amplified image;
Figure 10 is Fig. 1 left part (hook arm of the present invention and continuous shank part section thereof) enlarged drawing.
The specific embodiment
The luxuriant disconnected electricity consumption of the micro-branch of minute blood vessel is chosen and is led hook, is provided with stainless steel shank 1, and shank length is 130 millimeters; Be coated with insulation body 2 on the shank, be connected with hook arm 3 to the bending of shank front end integraty, the hook arm lengths is 3.5 millimeters; Knuckle α is 125 ° between shank and hook arm; The shank rearward end can be inserted the adapter section 11 that is connected in the electric coagulating knife handle for exposed, and adapter section 11 diameters are 2.0 millimeters, and the shank leading section is exposed changeover portion 12; Transition section length is 4.0 millimeters, and insulation body 2 rearward end are for being matched with the hexagonal resistance rotation structure of the cross section section 21 of electric coagulating knife handle; Be gradual change shape from shank to hook arm transition zone radial dimension, hook arm front end is blunt type arc end; The bending part shape of cross section that shank links to each other with the hook arm is Long Circle or ellipse, and Long Circle or oval-shaped major diameter and minor axis be the width and the thickness of corresponding bending junction respectively; Insulation body rear portion has the fin 22 that three roads radially extend out; Hook arm shape of cross section is Long Circle or ellipse, and Long Circle or oval-shaped major diameter and minor axis be the width and the thickness of corresponding hook arm respectively; The anterior section coating surface of the shank of hook arm and connection thereof has the antiseized coat of metal 4 of nanoscale; Hook arm rearward end width D 1 is 0.7～0.9 millimeter, and hook arm leading section width is 0.6～0.8 millimeter.
Claims (9)
1. the luxuriant disconnected electricity consumption of the micro-branch of minute blood vessel is chosen and is led hook; It is characterized in that being provided with metal matter shank (1); Be coated with insulation body (2) on the shank, be connected with to the bending of shank front end integraty hook arm (3), the shank rearward end can be inserted the adapter section (11) that is connected in the electric coagulating knife handle for exposed; The shank leading section is exposed changeover portion (12), and said insulation body rearward end is for being matched with the resistance rotation structure section (21) of electric coagulating knife handle;
Said shank length is 110 millimeters～160 millimeters; The hook arm is straight type hook arm, and the hook arm lengths is 2.5 millimeters～5.0 millimeters, and knuckle α is 115 °～135 ° between shank and hook arm; Be gradual change shape from shank to hook arm transition zone radial dimension, hook arm front end is blunt type arc end.
2. the luxuriant disconnected electricity consumption of the micro-branch of minute blood vessel as claimed in claim 1 is chosen and is led hook, it is characterized in that adapter section (11) diameter of said shank is 1.8～2.4 millimeters.
3. the luxuriant disconnected electricity consumption of the micro-branch of minute blood vessel as claimed in claim 1 is chosen and is led hook; It is characterized in that the bending part shape of cross section that said shank links to each other with the hook arm is Long Circle or ellipse, Long Circle or oval-shaped major diameter and minor axis be the width and the thickness of corresponding bending junction respectively.
4. the luxuriant disconnected electricity consumption of the micro-branch of minute blood vessel as claimed in claim 1 is chosen and is led hook, it is characterized in that said insulation body rear portion has the fin (22) that radially extends out.
5. choose and lead hook like claim 1,2, the luxuriant disconnected electricity consumption of the micro-branch of 3 or 4 described minute blood vessels, it is characterized in that said hook arm shape of cross section is Long Circle or ellipse, Long Circle or oval-shaped major diameter and minor axis be the width and the thickness of corresponding hook arm respectively.
6. choose and lead hook like claim 1,2, the luxuriant disconnected electricity consumption of the micro-branch of 3 or 4 described minute blood vessels, it is characterized in that said shank length is 120 millimeters～140 millimeters, the hook arm lengths is 3.0 millimeters～4.0 millimeters, and knuckle α is 120 °～130 ° between shank and hook arm.
7. choose and lead hook like claim 1,2, the luxuriant disconnected electricity consumption of the micro-branch of 3 or 4 described minute blood vessels, it is characterized in that the anterior section coating surface of shank of said hook arm and connection thereof has the antiseized coat of metal of nanoscale (4).
8. the luxuriant disconnected electricity consumption of the micro-branch of minute blood vessel as claimed in claim 5 is chosen and is led hook, it is characterized in that said hook arm rearward end width D 1 is 0.7～0.9 millimeter, and hook arm leading section width is 0.6～0.8 millimeter.
9. the luxuriant disconnected electricity consumption of the micro-branch of minute blood vessel as claimed in claim 6 is chosen and is led hook, it is characterized in that said shank length is 130 millimeters, and the hook arm lengths is 3.5 millimeters, and knuckle α is 125 ° between shank and hook arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110388859.0A CN102488551B (en) | 2011-11-30 | 2011-11-30 | Electric picking and tracting hook for separating small blood vessels under microscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110388859.0A CN102488551B (en) | 2011-11-30 | 2011-11-30 | Electric picking and tracting hook for separating small blood vessels under microscope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102488551A true CN102488551A (en) | 2012-06-13 |
| CN102488551B CN102488551B (en) | 2014-01-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110388859.0A Expired - Fee Related CN102488551B (en) | 2011-11-30 | 2011-11-30 | Electric picking and tracting hook for separating small blood vessels under microscope |
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| Country | Link |
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| CN (1) | CN102488551B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014110896A1 (en) * | 2013-01-21 | 2014-07-24 | Yang Xuening | Surgical electrocoagulation hook |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201033094Y (en) * | 2007-03-30 | 2008-03-12 | 褚东明 | Electrical knife special for thyroidectomy |
| CN201920792U (en) * | 2011-01-16 | 2011-08-10 | 强振华 | Deep nerve and blood vessel leading device |
| CN202386779U (en) * | 2011-11-30 | 2012-08-22 | 高力 | Electric pick retractor hook for separating and dividing small blood vessels under microscope |
-
2011
- 2011-11-30 CN CN201110388859.0A patent/CN102488551B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201033094Y (en) * | 2007-03-30 | 2008-03-12 | 褚东明 | Electrical knife special for thyroidectomy |
| CN201920792U (en) * | 2011-01-16 | 2011-08-10 | 强振华 | Deep nerve and blood vessel leading device |
| CN202386779U (en) * | 2011-11-30 | 2012-08-22 | 高力 | Electric pick retractor hook for separating and dividing small blood vessels under microscope |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014110896A1 (en) * | 2013-01-21 | 2014-07-24 | Yang Xuening | Surgical electrocoagulation hook |
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| Publication number | Publication date |
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| CN102488551B (en) | 2014-01-29 |
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Granted publication date: 20140129 Termination date: 20171130 |