CN203710126U - Electrode knife for hypophysis - Google Patents

Abstract

The utility model relates to the field of surgical instruments, in particular to an electrode knife for hypophysis. The electrode knife is implemented through the following technical scheme as follows: the electrode knife for the hypophysis comprises a tool bit, a knife blade, a hilt, a knife handle connected to a power line, and an insulation layer covering the knife blade, the hilt and the knife handle, the electrode knife is characterized in that the knife blade comprises a front section of the knife blade, which is connected to the tool bit, a transition section of the knife blade, which is connected to the front section of the knife blade and forms an inclined angle of 110 degrees to 160 degrees with the front section of the knife blade, and a tail end of the knife blade, which is connected to the transition section of the knife blade and forms an inclined angle of 110 degrees to 160 degrees with the transition section of the knife blade, the hilt is connected to the tail end of the knife blade, and the knife handle is rotatably connected to the hilt. The utility model aims at providing the electrode knife for the hypophysis, the structural design is human-friendly, when a doctor operates, the sight is good and is unlikely to be shielded, and when the angle of the electrode knife is switched in operation, the electrode knife is unlikely to be influenced by the power line at the tail end and is more precise to operate.

Description

A kind of hypophysis cerebri electrode knife

Technical field

This utility model relates to field of surgical, particularly a kind of hypophysis cerebri electrode knife.

Background technology

Electrosurgical is a kind of common operation tool, while being usually used in performing the operation, patient's surgery location is cut and coagulation, in carrying out cerebral operations, especially require position accurate, action precisely, existing electrode knife, the lines of blade do not pass through special handling, easily stop doctor's sight line, and the blade that the electric wire that is connected to electrode knife afterbody sometimes also can constantly change angle forms the power of impeding, a kind of electrosurgical of being announced as the number of patent application utility model that is CN200820227549.4, although sat optimization process in the position of cutter head but do not made corresponding improvement for blade and shank portion, need to be unfavorable under very meticulous medical environment the accuracy of operation at Cerebral surgery.

Utility model content

The purpose of this utility model is to provide a kind of hypophysis cerebri electrode knife, structural design hommization, and when doctor operates, sight line is good, is difficult for being blocked, and is difficult for being affected by the electric wire of tail end in operation while switching electrode knife angle, operates more accurate.

Above-mentioned technical purpose of the present utility model is achieved by the following technical programs: a kind of hypophysis cerebri electrode knife, comprise cutter head, blade, hilt, handle of a knife that can connecting power line and be covered in described blade, the insulating barrier on hilt and handle of a knife surface, it is characterized in that: described blade comprises first section of the blade being connected with described cutter head, be connected with described blade changeover portion and become the blade end of 110 ° of-160 ° of angles with first section of the described blade blade changeover portion of 110 ° of-160 ° of angles that is connected and becomes, described hilt is connected with described blade end, described handle of a knife is rotatably connected in described hilt.

Power line is connected on described handle of a knife, in described handle of a knife, being provided with turning cylinder is connected with described hilt, described handle of a knife is rotatably connected and described hilt, when operation, when doctor operates described in hilt can on described handle of a knife, rotate flexibly, reduce power line to the bed knife of described hilt and impede power, doctor is moved can be more light and handy and accurate, and blade adopts three sections of inclined design, can avoid well doctor's sight line, be difficult for blocking, improve the accuracy of operation.

As of the present utility model preferred, described hilt comprises main body and is located in described main body and points for operator the fixed handle holding, and when operation, doctor's palm is held in described main part, finger gripping, in described fixed handle part, reduces long working Shi doctor hand fatigue.

As of the present utility model preferred, described fixed handle comprises and described main body extension connected vertically and the section of holding that becomes 120 ° of-160 ° of inclinations with described extension, described extension provides palm to the length distance between finger, the described section of holding is obliquely installed the direction of holding that more meets four fingers of human body, increase the comfort level of long working doctor hand, further reduce due to the uncomfortable surgical errors causing of hand.

As of the present utility model preferred, described handle of a knife comprises connector and the base that can insert electric wire, described connector is rotatably connected with described base, described connector inside comprises axle, one end other end that is connected with described base is connected with described hilt, described connector is all rotatably connected, the effect of impeding of what two places were rotatably connected arrange further reduction wire pair electrode knife with described hilt and described base.

Preferably described cutter head comprises cutter head and circular-arc transition cutter head as of the present utility model, and described transition cutter head is connected with first section of described blade, and designed arc-shaped appearance makes described cutter head possess certain perspective curve, further optimization Shi doctor's the sight line of performing the operation.

As of the present utility model preferred, described cutter head comprises for the crop of TURP with for the tangent plane of coagulation, described crop is sharp and thin, be positioned at the top of described cutter head, being convenient to doctor becomes more meticulous and does cutting action, described tangent plane is positioned at crop lower end, becomes smooth flat, for surgical action such as coagulations.

As of the present utility model preferred, described cutter head and described blade are spirally connected, and doctor can take out described cutter head rotation in the time that difference is performed the operation, and replaces the knife head for surgical of different size.

Brief description of the drawings

Fig. 1 is the schematic diagram of this utility model embodiment 1;

Fig. 2 is the schematic diagram of cutter head in this utility model embodiment 1;

In figure:

1, cutter head, 11, cutter head, 111, crop, 112, tangent plane, 12, transition cutter head, 2, blade, 21, first section of blade, 22, blade changeover portion, 23, blade end, 3, hilt, 31, main body, 32, fixed handle, 4, handle of a knife, 41, connector, 42, base, 5, insulating barrier.

Detailed description of the invention

Below in conjunction with accompanying drawing, this utility model is described in further detail.

This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; those skilled in the art are reading after this description and can make to the present embodiment the amendment that there is no creative contribution as required, but as long as within the scope of claim of the present utility model, are all subject to the protection of Patent Law.

Embodiment 1, as shown in Figure 1: a kind of hypophysis cerebri electrode knife, comprise cutter head 1, blade 2, hilt 3, can connecting power line handle of a knife 4 and be covered in the insulating barrier 5 on described blade 2, hilt 3 and handle of a knife 4 surfaces, described blade 2 comprises first section 21 of blade being connected with described cutter head 1, is connected and becomes the blade end 23 of 110 ° of-160 ° of angles with the described blade blade changeover portion 22 of 110 ° of-160 ° of angles that is connected and becomes for first section 21 with described blade changeover portion 22, described hilt 3 is connected with described blade end 23, and described handle of a knife 4 is rotatably connected in described hilt 3.

Handle of a knife 4 comprises connector 41 and the base 42 that can insert electric wire, connector 41 inside comprise axle, one end other end that is connected with base 42 is connected with hilt 3, connector 41 is all rotatably connected with hilt 3 and base 42, and power line is connected on base 42, and when doctor performs the operation, hand-held knife is 3, when adjusting angle swivel knife is 3, because connector 41 is rotatable, make hilt 3 can not receive the power of impeding that fixing power line forms, thus accuracy when increase doctor performs the operation.

Hilt 3 comprises main body 31 and is located in main body 31 and points for operator the fixed handle 32 holding, fixed handle 32 comprises and main body 31 extension connected vertically and the section of holding that becomes 120 ° of-160 ° of inclinations with extension, when operation, doctor's palm and thumb are held in main body 31, four finger natures ride on fixed handle 32, the section of holding being obliquely installed more meets the curve of human finger, reduces the feeling of fatigue of prolonged operations, reduces the surgical errors probability producing due to fatigue.

Blade 2 comprises first section 21 of the blade being connected with cutter head 1, is connected and becomes the blade end 23 of 110 ° of-160 ° of angles with the blade blade changeover portion 22 of 110 ° of-160 ° of angles that is connected and becomes for first section 21 with blade changeover portion 22, and hilt 3 is connected with blade end 23.Traditional electrode knife adopts linear type blade, easily shelter from doctor's sight line, comparatively inconvenience in the narrow and small operative space of brain, and three sections be mutually the blades design of certain angle, optimize doctor's the scope that realizes, made doctor's sight line in the time of operation be difficult for being blocked.

Cutter head 1 comprises cutter head 11 and circular-arc transition cutter head 12, and transition cutter head 12 is connected for first section 21 with blade, and designed arc-shaped appearance makes cutter head 1 possess certain perspective curve, and further perform the operation Shi doctor's sight line of optimization is difficult for being blocked.Cutter head 11 comprises for the crop 111 of TURP with for the tangent plane 112 of coagulation, crop 111 is sharp and thin, be positioned at the top of cutter head 11, be convenient to doctor and become more meticulous and do cutting action, tangent plane 112 is positioned at crop 111 lower ends, becomes smooth flat, for surgical action such as coagulations, cutter head 1 is spirally connected with blade 2, and doctor can rotate taking-up by cutter head 1 in the time that difference is performed the operation, and replaces the knife head for surgical of different size.

Claims (7)

1. a hypophysis cerebri electrode knife, comprise cutter head (1), blade (2), hilt (3), handle of a knife (4) that can connecting power line and be covered in described blade (2), the insulating barrier (5) on hilt (3) and handle of a knife (4) surface, it is characterized in that: described blade (2) comprises first section of the blade (21) being connected with described cutter head (1), be connected with described blade first section (21) and become the blade changeover portion (22) of 110 ° of-160 ° of angles to be connected with described blade changeover portion (22) and become the blade end (23) of 110 ° of-160 ° of angles, described hilt (3) is connected with described blade end (23), described handle of a knife (4) is rotatably connected in described hilt (3).

2. a kind of hypophysis cerebri electrode knife according to claim 1, is characterized in that: described hilt (3) comprises main body (31) and is located at the upper operator of confession of described main body (31) and points the fixed handle (32) holding.

3. a kind of hypophysis cerebri electrode knife according to claim 2, is characterized in that: described fixed handle (32) comprises and described main body (31) extension connected vertically and the section of holding that becomes 120 ° of-160 ° of inclinations with described extension.

4. a kind of hypophysis cerebri electrode knife according to claim 3, is characterized in that: described handle of a knife (4) comprises connector (41) and the base (42) that can insert electric wire, and described connector (41) is rotatably connected with described base (42).

5. a kind of hypophysis cerebri electrode knife according to claim 4, is characterized in that: described cutter head (1) comprises cutter head (11) and circular-arc transition cutter head (12), and described transition cutter head (12) and described blade first section (21) are connected.

6. a kind of hypophysis cerebri electrode knife according to claim 5, is characterized in that: described cutter head (11) comprises crop (111) for TURP and the tangent plane (112) for coagulation.

7. a kind of hypophysis cerebri electrode knife according to claim 6, is characterized in that: described cutter head (1) is spirally connected with described blade (2).