CN102488551B - 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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- CN102488551B CN102488551B CN201110388859.0A CN201110388859A CN102488551B CN 102488551 B CN102488551 B CN 102488551B CN 201110388859 A CN201110388859 A CN 201110388859A CN 102488551 B CN102488551 B CN 102488551B
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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 thyroid surgery apparatus, particularly little otch scope or scope are assisted the operating theater instruments of parathyroid gland in thyroid operation (improvement Miccoli endoscopic technic pattern) (Minimally Invasive Video-assistedThyroidectomy, MIVAT) art and the separated reservation operations of supply vessels thereof.
Technical background
Parathyroid gland is a human endocrine gland.Its bodily form is very little (is about 3-8 millimeter, wide 2-5 millimeter, thick 0.5-2 millimeter.Heavily about 35-50 milligram), be oblate or oval, self have tunicle and base of a fruit blood vessel (feeding artery and reflux veins).Generally there are upper and lower two pairs, lay respectively at the dorsal surface of the left and right leaf of thyroid.The parathyroid hormone of pth secretion have and regulates the important function of maintaining 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 large on the impact of the human nerve-excitation of muscle, can cause mouthful all numb limbs and tense tendons during hyposecretion, even tetany; During supersecretion, can cause osteoporosis and lithangiuria.
In thyroid operation, often must separatedly retain parathyroid gland.But the parathyroid bodily form is very little, color and luster is close with fat, and blood vessel is very thin and be close to again thyroid dorsal part tunicle, observes careless manipulation and cuts very easily by mistake or injure its supply vessels, causes body of gland to lose and/or ischemic necrosis.As a result, patient is postoperative just there will be that to take low blood calcium hyposexuality and/or muscle twitches be the severe complication of main table disease.In view of the latter affects greatly patients ' life quality, there is no again at present desirable remedial measure both at home and abroad, most doctors are just reluctant to take risks and do the full leaf resection operation of thyroid (generally get the pessimistic scheme of a large portion of side gland leaf excision+offside gland leaf excision, place hope on the offside two pieces of other glands of withing a hook at the end and survive) that relates to other gland separation.Yet even if so careful, permanent hypoparathyroidism or deletion condition still happen occasionally.
Obviously, want to guarantee operation safety and improve operation quality, just must set up the separation reservation technology of a kind of practicable other gland and supply vessels thereof.It is operating platform that the inventor be take little otch scope or scope assisted surgery (improvement Miccoli endoscopic technic pattern), first set up a kind of observational technique that can see other gland and supply vessels thereof clearly and (reset the wild explicit representation that switches of Jiao-double vision, by the 10-14 video image of clear amplification doubly, reliablely and stablely identification and the other gland of confirmation, and can also clearly observe its very thin supply vessels).Then by scope microscopic applications dissect research got clear the dissection of other gland blood supply system form (three grades of arteriovenous blood supply systems and with vessel of thyroid system between relatedness) and basic separated tactful (the reservation related artery of having determined other gland and supply vessels thereof of certificate, from disconnected irrelevant blood vessel, the very thin arteriovenous of being close to fibrous capsule of thyroid gland separation cut turnover body of gland adheres to separately props up).On this basis, finally get back to practical operation, set about development and design the luxuriant disconnected electricity consumption in micro-minute of the present invention-minute blood vessel choose and lead hook.
Clinic trial result proves, this electricity chooses that to lead work space compliance and the local Anatomical adaptations of hook all good.By " divide-choose-coagulate-Qie manipulation, not only easily dissociate and appear very thin blood vessel, and can be conveniently by the solidifying cut-out of closing.What take is basic apparatus implementation and operation energy safety, stable, and the separation that realizes quickly parathyroid gland and supply vessels thereof retains.
Update search is there are no choosing and lead the same or analogous apparatus report of hook with this electricity.
Summary of the invention
The present invention will solve the operational issue that is difficult to separated reservation parathyroid gland and supply vessels thereof in thyroid operation, provide a kind of minute blood vessel of the present invention luxuriant disconnected electricity consumption in micro-minute to choose for this reason and lead hook, this electricity is chosen and is led hook and can in thyroid operation, facilitate separated parathyroid gland very thin blood vessel around, and appearing, judge, solidifyingly close, from disconnected these blood vessels, intact reservation parathyroid gland and supply vessels system thereof.
For addressing the above problem, its special character of the technical solution used in the present invention is to be provided with metallic shank, on shank, be coated with insulation body, be connected with to the bending of shank front end integraty hook arm, shank rearward end is exposed can insert the adapter section that is connected in electric coagulating knife handle, shank leading section is exposed changeover portion, and described insulation body rearward end is for being matched with the resistance rotation structure section of electric coagulating knife handle, structural sections as hexagonal in cross section.
Described shank length be take after shank connects electric coagulating knife handle and is operated suitability (stability and feel) as suitable, and this length can be 110 millimeters～160 millimeters; Described hook arm is straight type hook arm, and hook arm lengths can be 2.5 millimeters～5.0 millimeters, and between shank and hook arm, knuckle α can be 115 °～135 °, from shank to hook arm transition zone radial dimension, be gradual change shape, hook arm front end is blunt type arc end, and end face is spheric, but not sharp end.
The adapter section diameter of described shank can be 1.8～2.4 millimeters, but is connected in general electric coagulating knife handle and is as the criterion to insert adaptation.
The bending part shape of cross section that described shank is connected with hook arm is preferably Long Circle or ellipse, and Long Circle or oval-shaped long and short diameter be width and the thickness of corresponding bending junction respectively.
Described insulation body rear portion should have the fin radially extending out, to facilitate banjo splint to pinch plug; Be typically and there are three road fins.
Described hook arm shape of cross section is preferably Long Circle or ellipse, and Long Circle or oval-shaped long and short diameter be width and the thickness of corresponding hook arm respectively.
Described shank length is preferably 120 millimeters～140 millimeters, and hook arm lengths is preferably 3.0 millimeters～4.0 millimeters, and between shank and hook arm, knuckle α is preferably 120 °～130 °.
Should have the antiseized coat of metal of nanoscale at the anterior section coating surface of the shank of described hook arm and connection thereof, hook arm and the anterior metal surface of shank stick together with being coagulated to close between tissue when avoiding work.
Described 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 described shank length, more preferably 3.5 millimeters of hook arm lengths, between shank and hook arm, knuckle α is more preferably 125 °.
Minute blood vessel of the present invention luxuriant disconnected electricity consumption in micro-minute 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 separated reservation operations apparatus of parathyroid gland and supply vessels thereof in art.Electricity is chosen the shank rearward end insertion electric coagulating knife handle socket use of leading hook.
The present invention system dissects and forms and the development of separated Strategy Design according to parathyroid gland blood supply system.
In the present invention, the anterior transition from coarse to fine of the length of shank, diameter and shank is that designer considers whole tool profile and the size that itself and operation (improvement Miccoli endoscopic technic pattern) approach and chamber local space adapt.
In the present invention between the blunt circular arc of hook end, hook arm lengths, hook arm and shank knuckle and knuckle place preferably round flat transition be to consider that itself and separate object (gap under short and very thin three grades of blood vessels of thyroid and blood vessel thereof) adapt.
In the present invention, on shank, coated insulation body (employing electric insulation plastic material) is to consider to separate shank and operation technique point histoorgan in addition, in order to avoid surprisingly contact formation loop between the two when operation, causes inoperative electric injury.In addition, the geometry of insulation body for be applicable to common electric coagulating knife handle between plug be connected.
Particularly, the knuckle in the present invention between hook arm and shank, 115～135 ° of α, preferably α is 120～130 °, more preferably α is 125 °, is to consider that its hook end easily breaks the fascial space under minute blood vessel, forms the suitableeest the breaking into angle of 30 ° of left and right between hook arm axle line and vessels axis.In the present invention, the blunt circular arc of hook end is to consider brokenly after minute blood vessel, the unlikely blood vessel wall of tearing when axial slip expands fascial space.
The present invention ties up to the micro-amplification imaging method of a kind of scope of first having set up (resetting wild switching of Jiao-double vision shows), and borrow it to put parathyroid gland supply vessels system formation in order (and on the basis of the relation between thyroid supply vessels system (microsurgery Applied Anatomy observed result), according to the separated reservation operations strategy of the parathyroid gland of new formulation and supply vessels thereof, finally for the micro-separation requirement of minute blood vessel, develop formation.Specifically for minute luxuriant disconnected thyroid third level blood vessel in art (arteriovenous of the existing body tunicle of turnover adhere to separately), and indirectly retain thus the supply vessels (base of a fruit blood vessel and upper level arteriovenous thereof adhere to separately) of other gland.Its process or employing maneuver can be described as " divide-choose-coagulate-Qie " method, and first through dissociating, choosing and leading differentiation particular blood vessel is parathyroid gland related artery, still irrelevant blood vessel.Related artery is retained, irrelevant blood vessel is solidifyingly conveniently closed to cut-out choosing on the basis of leading.
In Rhizoma Atractylodis Macrocephalae of the present invention, can dissociate, appear, coagulate and close and cut off in one by blood-collecting tube, need not substitute apparatus, simple to operate, coherent, quick.The clinic trial result of sample tool of the present invention shows, " divide-choose-coagulate-Qie " maneuver by means of letter, can safety, complete the dissociating of other gland peripheral region (non-other gland belongs to) minute blood vessel fast, consistently, appear, solidifying close with from the accurate operation such as disconnected, thereby intact reservations side gland supply vessels system.
Accompanying drawing explanation
Fig. 1 is outline drawing of the present invention;
Fig. 2 is 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 connected shank part section thereof) enlarged drawing.
The specific embodiment
Minute blood vessel luxuriant disconnected electricity consumption in micro-minute is chosen and is led hook, be provided with stainless steel shank 1, shank length is 130 millimeters, on shank, be coated with insulation body 2, be connected with to the bending of shank front end integraty hook arm 3, hook arm lengths is 3.5 millimeters, between shank and hook arm, knuckle α is 125 °, shank rearward end is exposed can insert the adapter section 11 that is connected in electric coagulating knife handle, adapter section 11 diameters are 2.0 millimeters, shank leading section is exposed changeover portion 12, transition section length is 4.0 millimeters, 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, from shank, to hook arm transition zone radial dimension, be gradual change shape, hook arm front end is blunt type arc end, the bending part shape of cross section that shank is connected with hook arm is Long Circle or ellipse, and Long Circle or oval-shaped long and short diameter be 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 long and short diameter be width and the thickness of corresponding hook arm respectively, the anterior section coating surface of 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. minute blood vessel luxuriant disconnected electricity consumption in micro-minute is chosen and is led hook, it is characterized in that being provided with metallic shank (1), on shank, be coated with insulation body (2), be connected with to the bending of shank front end integraty hook arm (3), shank rearward end is the adapter section (11) that exposed inserting is connected in electric coagulating knife handle, shank leading section is exposed changeover portion (12), and described insulation body rearward end is for being matched with the resistance rotation structure section (21) of electric coagulating knife handle;
Described shank length is 110 millimeters～160 millimeters, hook arm is straight type hook arm, and hook arm lengths is 2.5 millimeters～5.0 millimeters, and between shank and hook arm, knuckle α is 115 °～135 °, from shank, to hook arm transition zone radial dimension, be gradual change shape, hook arm front end is blunt type arc end.
2. minute blood vessel as claimed in claim 1 luxuriant disconnected electricity consumption in micro-minute is chosen and is led hook, it is characterized in that adapter section (11) diameter of described shank is 1.8～2.4 millimeters.
3. minute blood vessel as claimed in claim 1 luxuriant disconnected electricity consumption in micro-minute is chosen and is led hook, it is characterized in that the bending part shape of cross section that described shank is connected with hook arm is Long Circle or ellipse, Long Circle or oval-shaped long and short diameter be width and the thickness of corresponding bending junction respectively.
4. minute blood vessel as claimed in claim 1 luxuriant disconnected electricity consumption in micro-minute is chosen and is led hook, it is characterized in that described insulation body rear portion has the fin (22) radially extending out.
5. the luxuriant disconnected electricity consumption in micro-minute of the minute blood vessel as described in claim 1,2,3 or 4 is chosen and is led hook, it is characterized in that described hook arm shape of cross section is Long Circle or ellipse, and Long Circle or oval-shaped long and short diameter be width and the thickness of corresponding hook arm respectively.
6. the luxuriant disconnected electricity consumption in micro-minute of the minute blood vessel as described in claim 1,2,3 or 4 is chosen and is led hook, it is characterized in that described shank length is 120 millimeters～140 millimeters, and hook arm lengths is 3.0 millimeters～4.0 millimeters, and between shank and hook arm, knuckle α is 120 °～130 °.
7. the luxuriant disconnected electricity consumption in micro-minute of the minute blood vessel as described in claim 1,2,3 or 4 is chosen and is led hook, it is characterized in that the anterior section coating surface of shank of described hook arm and connection thereof has the antiseized coat of metal of nanoscale (4).
8. minute blood vessel as claimed in claim 5 luxuriant disconnected electricity consumption in micro-minute is chosen and is led hook, it is characterized in that described 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. minute blood vessel as claimed in claim 6 luxuriant disconnected electricity consumption in micro-minute is chosen and is led hook, it is characterized in that described shank length is 130 millimeters, and hook arm lengths is 3.5 millimeters, and between shank and hook arm, knuckle α is 125 °.
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 CN102488551A (en) | 2012-06-13 |
| CN102488551B true 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) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203001108U (en) * | 2013-01-21 | 2013-06-19 | 杨学宁 | Electrocoagulation hook for operations |
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 |
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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 |
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| Publication number | Publication date |
|---|---|
| CN102488551A (en) | 2012-06-13 |
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Granted publication date: 20140129 Termination date: 20171130 |
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