CN209464085U - A kind of bull coagulation needle - Google Patents
A kind of bull coagulation needle Download PDFInfo
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- CN209464085U CN209464085U CN201822096464.3U CN201822096464U CN209464085U CN 209464085 U CN209464085 U CN 209464085U CN 201822096464 U CN201822096464 U CN 201822096464U CN 209464085 U CN209464085 U CN 209464085U
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- sliding block
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- acusector
- needle
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Abstract
The utility model relates to the technical field of medical surgical instrument, specifically a kind of bull coagulation needle.Including casing, the acusector being arranged in cannula cavity, the front opening of casing is in order to acusector stretching, the rear end of casing is fixedly connected with handle, handle includes the shell with column structure inner cavity, the drive end bearing bracket and rear end cap for being fixedly mounted on shell both ends, lead screw and sliding block are provided in the inner cavity of shell, sliding block is through thread set on lead screw, and the front end of lead screw is rotatably installed on drive end bearing bracket, rear end passes through rear end cap and is fixedly connected on knob；Acusector passes through drive end bearing bracket and rear end cap is fixedly connected on sliding block.The coagulation needle is promoted using screw rod, inserting needle stability is good, accuracy is high, a plurality of needles point sphere of action is big, can complete the coagulation operation of multiple needle electricity in high quality, different inserting needle distances is set for each needle point, the position for accurately adjusting each coagulation point, improves the normalization and surgical quality of operation.
Description
Technical field
The utility model relates to the technical field of medical surgical instrument, specifically a kind of bull coagulation needle.
Background technique
Coagulation needle primarily serves puncture, suture human internal organs and the Blood sampler to inside of human body in medical operating
Official carries out the function of electric coagulation hemostasis, is widely used in various surgical operations to the electric coagulation hemostasis of puncture, suture site.In recent years,
It is made a breakthrough using coagulation needle therapeutic varix of lower limb, the purpose of the treatment is the venous blood using operation method removal lesion
Vessel valve, using the electric coagulation hemostasis edge of a knife is small, bleeding is few, operating time is short, recovery time is short in operation, with stylet endarterectomy phase
Than having very big advantage.But the needle point that existing electrosurgical coagulates needle is short and small, and coagulation sphere of action is small, for slightly bigger
Wound just needs repeatedly to puncture, coagulation operation could be completed；Repetitive operation is more in surgical procedure, and relatively time consuming and to increase labour strong
Degree.In addition, the inserting needle operation of existing coagulation needle is completed by needle is manually directly held, and needle point is stretched due to lacking inserting needle control mechanism
Length fully relies on the feeling of manpower out, and the stability and accuracy of movement vary with each individual, and influences the normalization and operation of operation
The raising of quality.
Summary of the invention
The purpose of this utility model is to solve a kind of bull that above-mentioned inserting needle stability is good, accuracy is high, sphere of action is big
Coagulation needle can disposably complete the coagulation operation of multiple needle electricity in high quality, improve the normalization and surgical quality of operation.
In order to solve the above technical problems, the technical solution of the utility model is as follows:
The acusector that a kind of bull coagulation needle described in the utility model includes casing, is arranged in cannula cavity, described sleeve pipe
Front opening in order to acusector stretching, the rear end of casing is fixedly connected with handle, and the handle includes having column structure inner cavity
Shell, be fixedly mounted on the drive end bearing bracket and rear end cap at shell both ends, be provided with lead screw and sliding block, the cunning in the inner cavity of shell
Block is through thread set on lead screw, and the front end of lead screw is rotatably installed on drive end bearing bracket, rear end passes through the fixed company of rear end cap
It connects on knob, at least there is a face that is slidably matched to fit together between the sliding block and the inner wall of shell；Before described
It is provided with the front port of connection housing cavity on end cap, the rear through-hole of connection housing cavity is provided on the rear end cap, it is described
Casing is mounted on front port, and the acusector passes through front port and is fixedly connected on sliding block and extends to rear end cap by rear through-hole
Outside.
The acusector includes the shank being fixedly connected on sliding block and the needle point for being connected to shank front end, and the needle point is arc
Shape, more than two needle points are uniformly distributed in divergent shape around the axle center of shank.
The shell has the inner cavity of polygon prism shape structure, and the section of the sliding block is trapezoidal, lead screw, sliding block and acusector
Quantity it is equal with the quantity of seamed edge of polygon prism shape structure inner chamber, multiple sliding blocks are uniformly distributed around the axis of shell, described
Acusector is fixedly connected on the medial surface of sliding block, and the lateral surface of sliding block and the inner wall of shell are slidably matched.
The shell has the inner cavity of cylindrical-shaped structure, and the section of the sliding block is sector, and multiple sliding blocks are around shell
Axis is uniformly distributed annular in shape, and the acusector is fixedly connected on the medial surface of sliding block, the lateral surface of sliding block and shell it is interior
Wall is slidably matched.
Above-mentioned acusector includes the shank being fixedly connected on sliding block and the needle point for being connected to shank front end.
With the sliding slot being axially distributed on the inner wall of above-mentioned shell, it is provided in the sliding block mating surface being slidably matched with shell
Match the sliding rail of the sliding slot.
After by adopting the above technical scheme, which is promoted using screw rod, and inserting needle stability is good, accuracy is high, and more
The needle point sphere of action of divergent shape is big, can disposably complete the coagulation operation of multiple needle electricity in high quality, can be directed to each
Different inserting needle distances is arranged in needle point, accurately adjusts the position of each coagulation point, improves the normalization and surgical quality of operation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model one embodiment.
Fig. 2 is the A-A cross-sectional view of Fig. 1.
Fig. 3 is the cross-sectional view of the handle part of the utility model another embodiment.
Fig. 4 is the structural schematic diagram of the utility model third embodiment.
Fig. 5 is the B-B cross-sectional view of Fig. 4.
Fig. 6 is the structural schematic diagram of Fig. 4 embodiment use state.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in the picture, a kind of bull coagulation needle described in the utility model includes casing 1, is arranged in 1 inner cavity of casing
Acusector 2, for the front opening of described sleeve pipe 1 in order to the stretching of acusector 2, described sleeve pipe 1 uses the insulating materials system such as silica gel, plastics
At insulation processing can also being made and do using stainless steel and other metal materials, in order to make itself and acusector 2 insulate.Acusector 2 uses
Stainless steel and other metal materials are made, in order to connect the output of electric knife controller with conducting wire by the power connection 20 of its rear end
End, the rear end of casing 1 is fixedly connected with handle.The internal structure and working principle of electric knife controller used herein are existing known
Technology, effect are to heat to bleeding tissue on output pulse current to the tip of acusector 2, liquid component is made to volatilize, tissue is dry
Dry, solidification, sealing blood vessels, play the role of hemostasis.
As shown in Figure 1, one embodiment of the utility model, the handle includes the shell with column structure inner cavity
3, it is fixedly mounted on the drive end bearing bracket 4 and rear end cap 5 at 3 both ends of shell, each section of handle is all made of insulating materials and is made, Huo Zhexiang
Insulation processing is done to acusector 2, lead screw 6 and sliding block 7 are provided in the inner cavity of shell 3, the sliding block 7 is by thread set in lead screw
On 6, the front end of lead screw 6 is rotatably installed on drive end bearing bracket 4, rear end passes through rear end cap 5 and is fixedly connected on knob 8, described
At least there is a face that is slidably matched to fit together, turning knob 8 passes through lead screw 6 between sliding block 7 and the inner wall of shell 3
Rotation can be moved with movable slider 7 along the axis of shell 3, and the cross-sectional shape of sliding block 7 is matched with the shape of 3 inner cavity of shell,
So that sliding block 7 will not be rotated and then and can only be axially moved when lead screw 6 rotates, as shown in Fig. 2, the inner cavity of shell 3 is
Sliding block 7 is matching regular hexagonal prism shape when regular hexagonal prism body, and six sides of sliding block 7 are just and shell
Six inner walls of 3 inner cavities are in be slidably matched.The length of sliding block 7 is less than the length of the inner cavity of shell 3, in order to which sliding block 7 exists
There is certain axial movement gap in the inner cavity.
It is provided with the front port 9 of connection 3 inner cavity of shell on the drive end bearing bracket 4, is provided with connection shell on the rear end cap 5
The rear through-hole 10 of 3 inner cavities, described sleeve pipe 1 are mounted on front port 9, and the acusector 2 passes through front port 9 and is fixedly connected on sliding block 7
Go up and pass through the outside that rear through-hole 10 extends to rear end cap 5.The acusector mounting hole through front and back, acusector are provided on sliding block 7
The position of mounting hole is located along the same line with front port 9 and rear through-hole 10, and the middle section of acusector 2 is interspersed in the acusector peace of sliding block 7
It fills in hole, and the modes such as use welding, gluing or plug fixation are fixedly connected on the inner wall of acusector mounting hole, make acusector 2
It links into an integrated entity, can be moved together with sliding block 7 with sliding block 7.
As shown in Figure 1, the acusector 2 includes being fixedly connected on sliding block 7 as a further improvement of the utility model,
Shank 21 and the needle point 22 for being connected to 21 front end of shank, the needle point 22 are flexible arc, and more than two needle points 22 are in
Divergent shape is uniformly distributed around the axle center of shank 21, and the multiple needle points 22 of limitation when being retracted into casing 1 by casing 1 are poly-
Hold together together, needle point 22 restores curved bowed state after stretching out casing 1, and the needle point 22 of three or more arcs is surrounded by one
The biggish circle coagulation zone of action.22 sphere of action of multiple needle points of arc divergent shape is big, can carry out electricity to multiple points simultaneously
It is solidifying, improve the efficiency of operation.
In use, the needle point 22 of acusector 2 in the initial state is retracted into casing 1, cooperation image documentation equipment observation, by casing
1 is punctured in tissue, when the front end of casing 1 is close to blutpunkte.Turning knob 8 pushes sliding block 7 to move ahead, by acusector 2
Needle point 22 is stretched out from casing 1, is observed the length of the stretching of needle point 22 at any time by image documentation equipment, can be stopped moving when meeting the requirements
Make, opens electric knife controller and coagulation is carried out to the position.
As shown in figure 3, another embodiment as the utility model, the shell 3 has the interior of polygon prism shape structure
Chamber, the section of the sliding block 7 be it is trapezoidal, the seamed edge of the quantity and polygon prism shape structure inner chamber of lead screw 6, sliding block 7 and acusector 2
Quantity is equal, and multiple sliding blocks 7 are uniformly distributed around the axis of shell 3, and the acusector 2 is fixedly connected on the medial surface of sliding block 7,
The lateral surface of sliding block 7 and the inner wall of shell 3 are slidably matched.The inner cavity of shell 3 is positive pentagonal prism body in the present embodiment, has used five
A mutually isostructural sliding block 7 is surrounded by the positive pentagonal prism shape of matching 3 inner cavity of shell, and the medial surface of five sliding blocks 7 is surrounded by
One hollow positive pentagonal prism body or cylindrical body.Another there are five acusectors 2, weld or glue in the medial surface of each sliding block 7
An acusector 2 is connect, formation sliding block is fixedly connected with combination with acusector, in order to which the combination of each group of sliding block 7 and acusector 2 is ok
It is independent mobile.As the other embodiments of the utility model, the inner cavity of shell 3 can also polygon prism shape structure in the form of, such as just
Four prisms cylinder or regular hexagonal prism body etc., structure and working principle are similar with the present embodiment, and this will not be repeated here.
The sliding block 7 on this lead screw 6 can be pushed mobile in use, rotating the knob 8 on some lead screw 6, to make
The acusector being fixed on this sliding block does expanding-contracting action.The movement that thus can individually control each acusector, makes different electricity
Movement between needle will not interfere with each other, and precisely control the position of each coagulation position, meet surgical effect more
It is expected that reaching better effect.
It is the third embodiment of the utility model as Figure 4-Figure 6, the shell 3 has the inner cavity of cylindrical-shaped structure,
The section of the sliding block 7 is sector, and multiple sliding blocks 7 are uniformly distributed annular in shape, the use of acusector 2 around the axis of shell 3
The modes such as welding, gluing are fixedly connected on the medial surface of sliding block 7, and the inner wall of each sliding block 7 is fixedly connected with an acusector 2,
The lateral surface of sliding block 7 and the inner wall of shell 3 are slidably matched.The present embodiment also may be implemented Multi needle coagulation operation simultaneously and can be with
Depth of needle and the position of each acusector syringe needle are individually controlled as shown in Figure 6, realize the purpose precisely performed the operation.Pass through in Fig. 6
The knob 8 of rotation top pushes the sliding block being located above picture and acusector to move right a distance, and the sliding block of lower section and electricity
Needle remains stationary.
Acusector 2 in the present embodiment can also use the Split type electric needle construction of an embodiment as above, and the acusector 2 includes
The shank 21 being fixedly connected on sliding block 7 and the needle point 22 for being connected to 21 front end of shank, the connection between shank 21 and needle point 22
Electric conductivity can not be influenced using welding or the inserting mode of interference fit while in order to be connected firmly.This point
The shank 21 and needle point 22 of body formula acusector can be made of different materials, in order to both can satisfy the high resiliency of needle point 22
Requirement can satisfy the rigidity of shank 21 again and high-intensitive require.
In addition, as a further improvement of the utility model, as shown in figure 3, with axial point on the inner wall of the shell 3
The sliding slot of cloth is provided with the sliding rail for matching the sliding slot in 7 mating surface of sliding block being slidably matched with shell 3.Sliding rail and sliding slot
Shape can there are many, can use dovetail groove as shown in Figure 3, can also use rectangular channel or other shapes, as long as energy
Move axially sliding block 7 smoothly.This sliding rail cooperation both can be used for the shell of multiedge cylinder structure shown in Fig. 3
3, it can be used for the shell 3 of cylindrical structure as shown in Figure 5.
The cooperation of sliding slot and sliding rail is more steady when sliding block 7 can be made mobile, and can also make the shape of sliding block 7 more
Multiplicity, being no longer limited to adjacent sliders 7 must contact with each other, be abutted together.Such as around multiple sliding blocks 7 of setting, adjacent cunning
When there is certain interval between block 7, as long as the inner wall of the lateral surface of sliding block 7 and shell 3 is slidably matched and cooperates sliding slot simultaneously
Use with sliding rail is that can guarantee the steady movement of sliding block 7, will not be swung.
Claims (4)
1. a kind of bull coagulation needle, including casing (1), the acusector (2) being arranged in casing (1) inner cavity, before described sleeve pipe (1)
End opening is fixedly connected with handle in order to acusector (2) stretching, the rear end of casing (1), it is characterised in that: the handle includes having
The shell (3) of column structure inner cavity, the drive end bearing bracket (4) and rear end cap (5) for being fixedly mounted on shell (3) both ends, shell (3) it is interior
Lead screw (6) and sliding block (7) are provided in chamber, for the sliding block (7) through thread set on lead screw (6), the front end of lead screw (6) can
It is rotationally mounted on drive end bearing bracket (4), rear end passes through rear end cap (5) and is fixedly connected on knob (8), the sliding block (7) and shell
At least there is a face that is slidably matched to fit together between the inner wall of body (3)；Connection shell is provided on the drive end bearing bracket (4)
The front port (9) of body (3) inner cavity is provided with the rear through-hole (10) of connection shell (3) inner cavity, the set on the rear end cap (5)
Pipe (1) is mounted on front port (9), and the acusector (2) passes through front port (9) and is fixedly connected on sliding block (7) and leads to after passing through
Hole (10) extends to the outside of rear end cap (5).
2. a kind of bull coagulation needle according to claim 1, it is characterised in that: the acusector (2) includes being fixedly connected on cunning
Shank (21) on block (7) and the needle point (22) for being connected to shank (21) front end, the needle point (22) is arc, more than two
Needle point (22) is uniformly distributed in divergent shape around the axle center of shank (21).
3. a kind of bull coagulation needle according to claim 1, it is characterised in that: the shell (3) has polygon prism shape structure
Inner cavity, the section of the sliding block (7) is trapezoidal, lead screw (6), the quantity of sliding block (7) and acusector (2) and polygon prism shape structure
The quantity of the seamed edge of inner cavity is equal, and axis of multiple sliding blocks (7) around shell (3) is uniformly distributed, and the acusector (2) is fixedly connected
On the medial surface of sliding block (7), the inner wall of the lateral surface and shell (3) of sliding block (7) is slidably matched.
4. a kind of bull coagulation needle according to claim 1, it is characterised in that: the shell (3) has cylindrical-shaped structure
Inner cavity, the section of the sliding block (7) are sector, and axis of multiple sliding blocks (7) around shell (3) is uniformly distributed annular in shape, institute
It states acusector (2) to be fixedly connected on the medial surface of sliding block (7), the inner wall of the lateral surface and shell (3) of sliding block (7) is slidably matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822096464.3U CN209464085U (en) | 2018-12-13 | 2018-12-13 | A kind of bull coagulation needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822096464.3U CN209464085U (en) | 2018-12-13 | 2018-12-13 | A kind of bull coagulation needle |
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| Publication Number | Publication Date |
|---|---|
| CN209464085U true CN209464085U (en) | 2019-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822096464.3U Active CN209464085U (en) | 2018-12-13 | 2018-12-13 | A kind of bull coagulation needle |
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| CN (1) | CN209464085U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109464188A (en) * | 2018-12-13 | 2019-03-15 | 袁秀英 | Bull coagulation needle with accurate inserting needle controller |
-
2018
- 2018-12-13 CN CN201822096464.3U patent/CN209464085U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109464188A (en) * | 2018-12-13 | 2019-03-15 | 袁秀英 | Bull coagulation needle with accurate inserting needle controller |
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