阅读说明：本技术 一种肿瘤套管旋切装置 (A kind of tumour casing rotary cutting apparatus ) 是由 金科涛 于 2019-08-16 设计创作，主要内容包括：本发明公开了一种肿瘤套管旋切装置,涉及医疗器械技术领域。一种肿瘤套管旋切装置,包括电钻本体,还包括可安装在电钻本体上的旋切刀,所述旋切刀包括内部中空且一端带有开口的圆柱体刀体、环形位于刀体开口边缘的刀刃。对比现有技术,本发明的有益效果在于：能够快速有效切除目标肿瘤,并且能够减小正常肝脏的损失,解决了现有技术中对肝脏深部巨大肿瘤无法开展有效切除术的瓶颈问题。(The invention discloses a kind of tumour casing rotary cutting apparatus, are related to the field of medical instrument technology.A kind of tumour casing rotary cutting apparatus, including electric drill ontology, further include the mountable peeling knife on electric drill ontology, and the peeling knife includes inner hollow and one end cylindrical body cutter hub, the annular blade for being located at cutter hub open edge with opening.The prior art is compared, the beneficial effects of the present invention are: target tumor can be quickly and effectively cut off, and the loss of normal liver can be reduced, solves the bottleneck problem that can not carry out effective resection to liver deep huge tumor in the prior art.)

1. a kind of tumour casing rotary cutting apparatus, including electric drill ontology (1), it is characterised in that: further include mountable in electric drill ontology (1) peeling knife (2) on, the peeling knife (2) includes inner hollow and one end has the cylindrical body cutter hub (21) of opening, annular Positioned at the blade (22) of cutter hub (21) open edge.

2. a kind of tumour casing rotary cutting apparatus according to claim 1, it is characterised in that: the blade (22) is zigzag Blade.

3. a kind of tumour casing rotary cutting apparatus according to claim 1, it is characterised in that: the cutter hub (21) is internal axial It is arranged drill point (4), the drill point (4) and peeling knife (2) rotate synchronously, and it is external that described drill point (4) one end is exposed to cutter hub (21).

4. a kind of tumour casing rotary cutting apparatus according to claim 3, it is characterised in that: the drill point (4) is exposed to knife Length outside body is 0.5cm-1.0cm.

5. a kind of tumour casing rotary cutting apparatus according to any one of claims 1 to 3, it is characterised in that: the electric drill sheet It is detachably fixed and is connect by connecting rod (5) between body (1) and peeling knife (2), described connecting rod (5) one end is mounted on electric drill sheet In the drill chuck of body (1), the other end is connect with peeling knife (2).

6. a kind of tumour casing rotary cutting apparatus according to claim 5, it is characterised in that: the connecting rod (5) and rotary-cut Knife (2) is detachably fixed connection.

7. a kind of tumour casing rotary cutting apparatus according to claim 5, it is characterised in that: the drill point (4) and connecting rod (5) it is fixedly connected.

8. a kind of tumour casing rotary cutting apparatus according to claim 6, it is characterised in that: the cutter hub (21) is far from opening One end connecting plate (6) are set, through-hole (7) are set on the connecting plate (6), baffle (8) are arranged in described connecting rod (5) one end, External screw thread is arranged close to the one end of baffle (8) in the connecting rod (5), and the connecting rod (5) passes through through-hole (7) and passes through nut (9) it is fixed with external screw thread.

9. a kind of tumour casing rotary cutting apparatus according to claim 8, it is characterised in that: be arranged on the connecting rod (5) Positive stop lug boss (3), the positive stop lug boss (3) are located between baffle (8) and external screw thread, through-hole (7) shape and positive stop lug boss (3) shape is identical.

10. a kind of tumour casing rotary cutting apparatus according to claim 9, it is characterised in that: the thickness of the positive stop lug boss (3) Degree is less than or equal to the thickness with connecting plate (6).

Technical field

The present invention relates to the field of medical instrument technology, especially a kind of tumour casing rotary cutting apparatus.

Background technique

Tumour refers to body under the effect of the various tumorigenesis factors, and local organization hyperplasia is formed by neoformation, because This neoformation is in occupancy block-like protrusions, also referred to as neoplasm more.Tumour includes lung cancer, cancer of pancreas, kidney, fibroid again Deng.For example, including at present surgical operation, RF ablation (RFA), body portion stereo directional radiative for the treatment method of liver neoplasm Treatment (SBRT), chemotherapy, targeted therapy and immunization therapy etc..Surgical operation includes liver point (section) excision, liver neoplasm office Stove excision etc..The Operative Range of liver must assure that 30% and liver cirrhosis patient liver tissue of remaining normal liver tissue 50% could maintain liver physiological be metabolized and function of detoxification.This Functional Requirement seriously limits the hand of surgery of liver Art resection rate.Due to being limited simultaneously by the big vessel anatomy of liver, the certain sections of liver be surgical operation forbidden zone.It passes The operation on liver resecting tool of system includes electric knife, ultrasound knife, argon-gas knife (hemostasis device) etc..These resecting tools are all surgery hands The common tool of art in addition to argon-gas knife since energy flash carbonization tissue reaches haemostatic effect is designed exclusively for liver resection Outside, electric knife and ultrasound knife are the general surgical instruments of current surgical operation.

Traditional electric knife, ultrasound knife have the following problems in hepatic portion or the focal resection of tumour:

(1) it is cut off completely to reach R0, uses electric knife and ultrasound knife that can lose a large amount of normal hepatocytes as resecting tool Tissue can not can effectively be cut off in the excision of multiple liver metastatic tumors because the liver organization amount of loss is big.

(2) use electric knife and ultrasound knife as resecting tool, service speed is slow in art, needs to take considerable time, performs the operation Time is long (1 hour to 6 hours or so), and amount of bleeding is big.

(3) use electric knife and ultrasound knife as resecting tool, since wound area is big, bleeding stopping period is longer in art, almost Occupy the time for more than half entirely performed the operation, postoperative big bleeding, the probability of leak of occurring is higher, because it is postoperative occur big bleeding, Leak and death risk significantly improve.

(4) electric knife and ultrasound knife are only used for hepatectomizing the tumour at edge, for being located at big circumvascular depth in liver Portion's lesion, electric knife and ultrasound knife can not go deep into and set foot in substantially, be the forbidden zone of general surgical procedures.

Summary of the invention

To solve deficiency in the prior art, the present invention provides a kind of tumour casing rotary cutting apparatus, can quickly and effectively cut Except target tumor, and the loss of normal organ can be reduced, solving prior art medium and deep huge tumor and can not carrying out has Imitate the bottleneck problem of resection.

The present invention to achieve the above object, is achieved through the following technical solutions: a kind of tumour casing rotary cutting apparatus, including electricity Ontology is bored, further includes the mountable peeling knife on electric drill ontology, the peeling knife includes inner hollow and one end has opening Cylindrical body cutter hub, annular be located at cutter hub open edge blade.

The blade is serrated edge.

Axial setting drill point, the drill point and peeling knife rotate synchronously inside the cutter hub, and described drill point one end is exposed to Outside cutter hub.

It is 0.5cm-1.0cm that the drill point, which is exposed to the length outside cutter hub,.

Connection is detachably fixed by connecting rod between the electric drill ontology and peeling knife, described connecting rod one end is mounted on In the drill chuck of electric drill ontology, the other end is connect with peeling knife.

The connecting rod is detachably fixed with peeling knife to be connect.

The drill point is fixedly connected with the connecting rod.

Connecting plate is arranged far from one end of opening in the cutter hub, and through-hole, described connecting rod one end is arranged on the connecting plate External screw thread is arranged close to one end of baffle in setting baffle, the connecting rod, and the connecting rod passes through through-hole and by nut and outside It is screwed.

Positive stop lug boss is set in the connecting rod, and the positive stop lug boss is between baffle and external screw thread, the through-hole shape Shape is identical as limiting stand shape.

The thickness of the positive stop lug boss is less than or equal to the thickness of connecting plate.

The prior art is compared, the beneficial effects of the present invention are:

1, peeling knife is cylindrical body cutter hub in the present apparatus, can (no tumor invading is tired along the safe range of borderline tumor And) cylindric excision is done, keep the normal liver tissue amount of loss few；Effectively excision can be realized to multiple diagnosis of hepatic metastases while being protected Normal liver tissue amount needed for depositing physiology.

2, the present apparatus effectively improves excision speed, and after the tissue that hepatectomizes, hemostasis is inserted in the cylindric defect of formation After material, due to the hemostasis by compression effect by column defect periphery normal liver tissue, the pressure in the short time can be effectively realized Compel hemostasis with packs, the power of regeneration of liver organization is stronger in addition, the liver cell filling that can be reproduced in a short time at filling position, Can reduce post-operative hemorrhage volume, the risk of leak and therefore caused by the death rate.

3, blade is preferably serrated edge, and blade may be smooth blade, wherein smooth blade head end is pushed away forward Under power effect, the effect of rotary-cut tissue can achieve, but under same rotary-cut revolving speed and thrust, serrated edge is than smooth knife Sword head end can rotary-cut tissue within the shorter time, smooth blade head is substantially better than to the cutting power zigzag head end of tissue End.

4, the present apparatus is applicable not only to the excision of liver neoplasm, applies also for lung cancer, cancer of pancreas, kidney, fibroid Cutting.

Detailed description of the invention

Attached drawing 1 is schematic structural view of the invention；

Attached drawing 2 is connecting rod of the present invention and peeling knife cross-sectional view；

Attached drawing 3 is connecting rod of the present invention and drill point structure schematic diagram；

Attached drawing 4 is peeling knife side view of the present invention；

Attached drawing 5 is 1 schematic diagram of use state of the present invention；

Attached drawing 6 is 2 schematic diagram of use state of the present invention.

Label shown in attached drawing: 1, electric drill ontology；2, peeling knife；21, cutter hub；22, blade；3, positive stop lug boss；4, drill point； 5, connecting rod；6, connecting plate；7, through-hole, 8, baffle；9, nut；10, liver；11, target tumor.

Specific embodiment

Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, those skilled in the art Member can make various changes or modifications the present invention, and such equivalent forms equally fall within range defined herein.

As shown in Figure 1, a kind of tumour casing rotary cutting apparatus, including electric drill ontology 1, electric drill ontology can be used for be existing The electric drill etc. that the electric drill of bone surgery or existing neurosurgery operation of opening cranium use.It further include mountable on electric drill ontology 1 Peeling knife 2, peeling knife is mounted in the drill chuck of electric drill.The peeling knife 2 includes the circle of inner hollow and one end with opening Cylinder cutter hub 21, annular are located at the blade 22 of 21 open edge of cutter hub.Peeling knife is stainless steel knife, and the inside diameter ranges of cutter hub are 1- 5cm, length 5-10cm, the wall thickness of cutter hub are 1mm.The preferred diameter of peeling knife be 1cm, 1.5cm, 2cm, 2.5cm, 3cm, Totally 9 kinds of specifications, length are preferably 5cm, 8cm, 10cm totally 3 kinds of specifications by 3.5cm, 4cm, 4.5cm, 5cm.In use, electric drill is powered Afterwards, peeling knife is driven to carry out column excision to target tumor.Wherein, the blade 22 is preferably serrated edge, and blade can also Smooth blade is thought, wherein smooth blade head end can achieve the effect of rotary-cut tissue, but same under the thrust that moves ahead Rotary-cut revolving speed and thrust under, serrated edge than smooth blade head end can rotary-cut tissue within the shorter time, to tissue Cutting power zigzag head end be substantially better than smooth blade head end.

As shown in Fig. 2, the axial setting drill point 4 in 21 inside of cutter hub, the drill point 4 are synchronous with peeling knife 2 in order to prevent Rotation, described 4 one end of drill point is exposed to outside cutter hub 21, and drill point is spiral lamination drill point, during rotary-cut to rotary-cut position into Row positioning, prevents cylindrical body cutter hub during rotary-cut from walking inclination angle.It is 0.5cm- that drill point 4, which is exposed to the length outside cutter hub, 1.0cm, this length safe length avoid too long organ being caused to damage.It is connect for the ease of peeling knife with electric drill, the electricity It bores and connection is detachably fixed by connecting rod 5 between ontology 1 and peeling knife 2, described 5 one end of connecting rod is mounted on electric drill ontology 1 Drill chuck in, the other end is connect with peeling knife.

According to tumor size difference, various sizes of peeling knife can choose, the connecting rod 5 and peeling knife 2 are detachable It is fixedly connected, is convenient for changing peeling knife.As optimization, the drill point 4 is fixedly connected with connecting rod 5, drill point and connecting rod one Molding, first is that easy to process, the assembly present apparatus, no longer need to replacement drill point when second is that replacing different size casings every time.Cutter hub Connecting plate 6 is arranged in 21 one end far from opening, and through-hole 7 is arranged on the connecting plate 6, and baffle 8 is arranged in described 5 one end of connecting rod, The diameter of baffle is greater than the diameter of through-hole, and external screw thread is arranged close to one end of baffle 8 in the connecting rod 5, and the connecting rod 5 passes through Through-hole 7 is simultaneously fixed by nut 9 and external screw thread, and connecting rod is put into from cutter hub opening, passes through through-hole, and baffle is located in cutter hub Connecting rod is fixedly connected by portion by nut outside cutter hub with external screw thread with peeling knife.Peeling knife radial rotating in order to prevent, In the connecting rod 5 be arranged positive stop lug boss 3, the positive stop lug boss 3 positioned at baffle 8 and external screw thread between, 7 shape of through-hole and 3 shape of positive stop lug boss is identical, and limiting stand can be quadrangle or pentagon etc., and limiting stand is preferably shaped to centre in the application Rectangle both ends are semicircle, facilitate processing.The thickness of positive stop lug boss 3 is less than or equal to the thickness with connecting plate 6, prevents positive stop lug boss thick Big exposure is spent outside peeling knife, influences the use of nut, to influence the fastness between connecting rod and peeling knife.

As shown in figure 5, real apart from the closer tumour of big blood vessel at 10 edge of liver of 0.5cm to 5cm or deep to diameter Now disposable rotary-cut.Auxiliary reaches Fast Filling hemostasis (see the portion Fig. 3-I) with suitable hemostatic material, and can be according to tumour Position and big blood vessel, big stones in intrahepatic bile duct position select the direction of rotary-cut, effectively avoid big blood vessel and big stones in intrahepatic bile duct (see figure The portion 3-II).

As shown in fig. 6, it is greater than the target tumor 11 of 5cm for diameter, it can be using the peeling knife of 1cm diameter on lump side Edge does the rotary-cut of ring week come the lump that dissociates, and both ensure that the incisxal edge of lump, reaches R0 and cuts off completely, and can effectively avoid big blood vessel And bile duct, effectively ligation, which prevents big bleeding, is realized to blood vessel and bile duct.This technology can effectively realize current surgery of liver pair Liver deep huge tumor can not carry out the bottleneck problem of effective resection.