CN208481460U - Melt needle fixation device - Google Patents
Melt needle fixation device Download PDFInfo
- Publication number
- CN208481460U CN208481460U CN201720916403.XU CN201720916403U CN208481460U CN 208481460 U CN208481460 U CN 208481460U CN 201720916403 U CN201720916403 U CN 201720916403U CN 208481460 U CN208481460 U CN 208481460U
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- China
- Prior art keywords
- ablation needle
- fixed part
- sliding part
- tractive unit
- fixation device
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Abstract
The utility model discloses a kind of ablation needle fixation devices, including fixed part, tractive unit, interconnecting piece and sliding part, the fixed part is fixed on human skin, its middle part is equipped with opening, lower surface is discontinuous bonding plane, the tractive unit connects the fixed part, and the sliding part is moveably secured on ablation needle, and the sliding part connects the tractive unit by interconnecting piece.The ablation needle fixation device of the utility model, fixed part, tractive unit, interconnecting piece and sliding part are set, fixed part is fixed for that will fix device with human skin, sliding part is used to adjust the insertion depth of ablation needle, interconnecting piece is for connecting sliding part and tractive unit, tractive unit is used to adjust the deflection angle of sliding part, and then ablation needle is driven to deflect, so that ablation needle can be fixed under different deflection angles with human skin.
Description
Technical field
The present invention relates to the field of medical instrument technology, and in particular to a kind of ablation needle fixation device.
Background technique
With the continuous development of medical level, Minimally Invasive Surgical Technology reaches its maturity, wherein radio frequency, microwave ablation, which become, to be faced
Bed one of oncotherapy important means, radio frequency, microwave ablation principle be by electric energy, electromagnetic energy be thermal energy, cause
Local organization high temperature, makes the quick coagulation necrosis of tumor tissues, tumour cell non-refractory, when temperature rises to 60 DEG C, tumour
Cell protein denaturation solidification, leads to irreversible necrosis.Using radio frequency, microwave ablation, the maximum temperature of tumor center is reachable
100-120 DEG C, periphery not only can quickly kill tumour cell also up to 60 DEG C, while can also solidify the blood around tumour
Pipe forms a reaction zone between normal tissue and cancer cell, and wherein by tumour package, play prevents to a certain extent
The effect of metastases.
Ablative surgery is by ablation pin puncture and to navigate to tumor locus under the guidance of B ultrasound or CT, converted by energy
So that the polar molecule high speed rotary grinding of itself is organized to generate amount of heat to kill tumour cell.In order to ensure ablation
Needle needs man-hour manually hand-held or is gripped by surgical clamp, the heating ablation duration is in 10-45 minute without departing from lesion
Between differ, cause very big operation to doctor and bear.
Summary of the invention
It can not be fixed during use to solve ablation needle in the prior art, need man-hour manually hand-held or by performing the operation
The problem of pincers are gripped, and operation burden is big, and ablation needle is easy to happen offset, the present invention provide a kind of fixed dress of ablation needle
It sets.
To solve the above-mentioned problems, the invention adopts the following technical scheme:
The present invention provides a kind of ablation needle fixation device, including fixed part, tractive unit, interconnecting piece and sliding part, described solid
Determine portion to be fixed on human skin, middle part is equipped with opening, and lower surface is discontinuous bonding plane, described in the tractive unit connection
Fixed part, the sliding part are moveably secured on ablation needle, and the sliding part connects the tractive unit by interconnecting piece.
Preferred technical solution, the fixed part are circle, and the fixed part is equipped at least two groups of slots, described to lead
Draw portion and is connect by the groups of slots with the fixed part, center symmetric setting of the groups of slots along the fixed part.
Further technical effect, tractive unit ensure that tractive unit and consolidated by connecting shaft and groups of slots connecting portion
Determine the more firm of portion's fitting.
Preferred technical solution, the groups of slots include the first slot, the second slot, first slot, the second slot
It is set gradually outward along the center of the fixed part, the tractive unit includes centerbody and leash, and the centerbody is hollow
Cylinder and connection connecting shaft, one end of leash connect the centerbody, and the other end passes through first slot, the second slot simultaneously
It is fixed on human skin.
Further technical effect, the leash penetrates the first slot by the upper surface of fixed part, by under fixed part
Surface is pierced by the second slot, so that leash closely fits in the surface of fixed part, improves whole stability.
Preferred technical solution, the leash and the centerbody are detachable connection, and the centerbody is by hard
Material is made, and the leash is made by elastic material.
Further technical effect, by detachable design, when carrying out different operations, be directed to tractive unit and
Speech need to only replace leash, without replacing centerbody, reduce the generation of medical waste, more save, environmental protection.
Preferred technical solution, be circumferentially at least two connecting shafts of the fixed part along the opening, the connection
Tractive unit described in axis connection.The connecting shaft is made by elastic material, and the connecting shaft is along the center pair of the fixed part
Claim setting.
Further technical effect, the connecting shaft are made using elastic material, when pulling tractive unit, connecting shaft hair
Raw elastic deformation, to guarantee that relative motion occurs between tractive unit and fixed part.
Preferred technical solution, the interconnecting piece are clamping joint, and the sliding part is a hollow cylinder and is sheathed on institute
It states on ablation needle, the sliding part matches with the clamping joint.
Further technical effect, the sliding part are moved up and down along the ablation needle, are adjusted and are slided according to the needs of operation
The position in dynamic portion, and then adjust ablation needle depth inserted into the patient.
Preferred technical solution, the interconnecting piece are a spring clip, and the sliding part is a hollow cylinder and is sheathed on
On the ablation needle, the sliding part matches circumferentially arranged with groove, the spring clip with the groove.
Further technical effect, the spring clip are held in the groove of sliding shoe, avoid sliding part in spring clip
Inside move up and down.
Preferred technical solution is equipped with sealing ring between the sliding shoe and the ablation needle.
Further technical effect, it is more firm that sealing ring to combine between sliding shoe and ablation needle.
Ablation needle fixation device of the invention, setting fixed part, tractive unit, interconnecting piece and sliding part, fixed part is used for will
Fixed device is fixed with human skin, and sliding part is used to adjust the insertion depth of ablation needle, and interconnecting piece is for connecting sliding
Portion and tractive unit, tractive unit is used to adjust the deflection angle of sliding part, and then ablation needle is driven to deflect, so that ablation needle exists
It can be fixed with human skin under different deflection angles.
Detailed description of the invention
Invention is further described in detail with specific embodiment with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram under the fixed working state of device of 1 ablation needle of embodiment；
Fig. 2 is the structural schematic diagram under the ablation needle fixation device off working state of embodiment 1；
Fig. 3 is the partial enlarged view that embodiment 1 melts needle fixation device；
Fig. 4 is the structural schematic diagram that embodiment 1 melts fixed part in needle fixation device；
Fig. 5 is the structural schematic diagram that embodiment 1 melts tractive unit in needle fixation device；
Fig. 6 is the structural schematic diagram that embodiment 2 melts needle fixation device；
Fig. 7 is the structural schematic diagram that embodiment 2 melts interconnecting piece in needle fixation device.
Wherein, appended drawing reference is described as follows: ablation needle 1, tractive unit 3, clamping joint 4, sliding part 5, connects fixed part 2
Spindle 6, connecting column 7, spring clip 8, the first slot 21, the second slot 22, centerbody 31, leash 32, groove 51, engaging notch
81。
Specific embodiment
Embodiment 1
As shown in Figures 1 and 2, the fixed device of a kind of ablation needle 1, including fixed part 2, tractive unit 3, interconnecting piece and sliding part
5。
As shown in figure 4, fixed part 2 is circular patch, it is made using elastic material, middle part is equipped with opening, following table
Face is discontinuous bonding plane, for being bonded with human skin.Fixed part 2 is circumferentially arranged with 4 groups of slots, 4 slots
Group is centrosymmetric setting centered on the center of circle of fixed part 2, and groups of slots includes the first slot 21, the second slot 22, and first inserts
Slot 21, the second slot 22 are set gradually outward along the center of circle of fixed part 2.
As shown in figure 5, tractive unit 3 includes centerbody 31 and leash 32, centerbody 31 is made by hard material, is led
Leader tape 32 is made by elastic material.Centerbody 31 is hollow cylinder, and the number of leash 32 is 4, and leash 32 is set
The position of the position and groups of slots set matches, and one end of leash 32 connects centerbody 31, and the bottom surface of the other end is bonding plane；
32 bottom surface of leash is that one end of bonding plane passes through the first slot 21, the second slot 22 and is fixed on human skin.Due to solid
Determine portion 2 and be all made of elastic material with leash 32 to be made, when leash 32 passes through the first slot 21, the second slot 22,
What is be bonded between fixed part 2 and leash 32 is even closer, improves the stability of the fixed device entirety of ablation needle 1.
As shown in figure 3, the opening at 2 middle part of fixed part is circle, the circumferential of circular open is equipped with connecting shaft 6 upwards, fixes
Portion 2 and centerbody 31 are connect by connecting shaft 6, and fixed part 2, centerbody 31, connecting shaft 6 are integrally formed formula design.Connecting shaft
6 are set as 4, and are staggered between groups of slots, and 4 connecting shafts 6 are centrosymmetric centered on the center of circle of fixed part 2 to be set
It sets, connecting shaft 6 is made using flexible hard material, by adjusting the length of 4 leashes 32, to centerbody 31
Apply different power to 4 directions, so that centerbody 31 deflects certain angle, since connecting shaft 6 is made of elastic material
It forms, when centerbody 31 deflects, deformation occurs for connecting shaft 6, without limitation on the deflection of centerbody 31.
As shown in figure 3, the top of tractive unit 3 is equipped with interconnecting piece, the formula that tractive unit 3 and interconnecting piece is integrally formed is designed, is led
Draw portion 3 and connect with interconnecting piece by connecting column 7, connecting column 7 is made using hard material, tractive unit 3, interconnecting piece, connection
The formula that column 7 is integrally formed designs.Interconnecting piece is a clamping joint 4, and middle part is equipped with cylindrical card slot, is equipped in cylindrical card slot interior
Screw thread, sliding part 5 are a hollow cylinder, and sliding part 5 is sheathed on ablation needle 1, are equipped between sliding part 5 and ablation needle 1 close
The outside of seal, sliding part 5 is equipped with external screw thread, and external screw thread matches with internal screw thread.
The course of work:
When carrying out ablative surgery, interconnecting piece and sliding part 5 are connected through a screw thread fixation, 4 leashes 32 respectively with 4
Groups of slots is fixed.The top of ablation needle 1 will be moved on sliding shoe, sliding part 5 drives entire ablation needle 1 solid while moving up
Determine device to move up, under the guidance of CT or B ultrasound, at the end insertion tumour of ablation needle 1, at this point, sliding part is moved down, thus
It drives the fixed device of entire ablation needle 1 to move down, the lower surface of fixed part 2 is fitted on human skin, leash 32 is adjusted
Length after the completion of adjusting, the end of leash 32 is fixed on skin, that is, is completed to adjust the deflection angle of ablation needle 1
Fixation to ablation needle 1.
Embodiment 2
The present embodiment is roughly the same with the structure of embodiment 1, and distinguishing characteristics is, interconnecting piece is a spring clip 8, spring clip
8 are fixed on the centerbody 31 of tractive unit 3, and spring clip 8 is equipped with engaging notch 81, and sliding part 5 is a cylindrical body and is sheathed on
On ablation needle 1, circumferentially arranged with groove 51, groove 51 matches sliding shoe with notch 81 is engaged.It is connected and is slided by spring clip 8
Block improves procedure efficiency so that the fixation procedure of interconnecting piece and sliding part 5 is simpler, quick.
It is attached by pocket set with leash 32 between tractive unit 3 and fixed part 2, between tractive unit 3 and fixed part 2
It is not provided with connecting shaft 6, is detachable design between leash 32 and centerbody 31.By detachable design, carrying out not
With operation when, leash 32 need to only be replaced, no replacement is required centerbody 31 reduces the generation of medical waste, more
It saves, environmental protection.
Use above specific case is illustrated the present invention, is merely used to help understand the present invention, not to limit
The system present invention.For those skilled in the art, according to the thought of the present invention, can also make several simple
It deduces, deform or replaces.
Claims (9)
1. a kind of ablation needle fixation device, which is characterized in that including fixed part (2), tractive unit (3), interconnecting piece and sliding part
(5), the fixed part (2) is fixed on human skin, and middle part is equipped with opening, and lower surface is discontinuous bonding plane, described
Tractive unit (3) connects the fixed part (2), and the sliding part (5) is moveably secured on ablation needle (1), the sliding part
(5) tractive unit (3) are connected by interconnecting piece.
2. a kind of ablation needle fixation device as described in claim 1, it is characterised in that: the fixed part (2) is circle, described
Fixed part (2) is equipped at least two groups of slots, and the tractive unit (3) is connect by the groups of slots with the fixed part (2),
Center symmetric setting of the groups of slots along the fixed part (2).
3. a kind of ablation needle fixation device as claimed in claim 2, it is characterised in that: the groups of slots includes the first slot
(21), the second slot (22), first slot (21), the second slot (22) along the center of the fixed part (2) outward successively
Setting, the tractive unit (3) include centerbody (31) and leash (32), and the centerbody (31) is hollow cylinder and connection connects
Spindle (6), one end of leash (32) connect the centerbody (31), and the other end is inserted across first slot (21), second
Slot (22) is simultaneously fixed on human skin.
4. a kind of ablation needle fixation device as claimed in claim 3, it is characterised in that: the leash (32) and the center
Body (31) is detachable connection, and the centerbody (31) is made by hard material, and the leash (32) is by elastic material
Material is made.
5. a kind of ablation needle fixation device as described in claim 1, it is characterised in that: the fixed part (2) is along the opening
Be circumferentially at least two connecting shafts (6), the connecting shaft (6) connects the tractive unit (3).
6. a kind of ablation needle fixation device as claimed in claim 5, it is characterised in that: the connecting shaft (6) is by elastic material
It is made, center symmetric setting of the connecting shaft (6) along the fixed part (2).
7. a kind of ablation needle fixation device as described in claim 1, it is characterised in that: the interconnecting piece is clamping joint (4), institute
It states sliding part (5) to be a hollow cylinder and be sheathed on the ablation needle (1), the sliding part (5) and the clamping joint (4)
Match.
8. a kind of ablation needle fixation device as described in claim 1, it is characterised in that: the interconnecting piece is a spring clip (8),
The sliding part (5) is a hollow cylinder and is sheathed on the ablation needle (1) that the sliding part (5) is circumferentially arranged with recessed
Slot (51), the spring clip (8) match with the groove (51).
9. a kind of ablation needle fixation device as claimed in claim 7 or 8, it is characterised in that: the sliding part and the ablation
Sealing ring is equipped between needle (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720916403.XU CN208481460U (en) | 2017-07-26 | 2017-07-26 | Melt needle fixation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720916403.XU CN208481460U (en) | 2017-07-26 | 2017-07-26 | Melt needle fixation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208481460U true CN208481460U (en) | 2019-02-12 |
Family
ID=65254230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720916403.XU Active CN208481460U (en) | 2017-07-26 | 2017-07-26 | Melt needle fixation device |
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|---|---|
| CN (1) | CN208481460U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110680499A (en) * | 2019-10-12 | 2020-01-14 | 南京康友医疗科技有限公司 | Positioning device and ablation equipment |
-
2017
- 2017-07-26 CN CN201720916403.XU patent/CN208481460U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110680499A (en) * | 2019-10-12 | 2020-01-14 | 南京康友医疗科技有限公司 | Positioning device and ablation equipment |
| CN110680499B (en) * | 2019-10-12 | 2024-02-09 | 南京康友医疗科技有限公司 | Positioning device and ablation equipment |
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