CN208388715U - A kind of external positioning device of spinal operation puncture - Google Patents
A kind of external positioning device of spinal operation puncture Download PDFInfo
- Publication number
- CN208388715U CN208388715U CN201721169270.0U CN201721169270U CN208388715U CN 208388715 U CN208388715 U CN 208388715U CN 201721169270 U CN201721169270 U CN 201721169270U CN 208388715 U CN208388715 U CN 208388715U
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- angle
- puncture
- cross bar
- needle
- angle disk
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Abstract
The utility model discloses a kind of external positioning device of spinal operation puncture, including lower supporting mechanism, it is vertically fixed on the fixing groove on the lower supporting mechanism top, the cross bar being placed in the fixing groove, and is separately mounted to the piercing mechanism and external correcting mechanism at the cross bar both ends；The piercing mechanism includes the trocar sleeve of first angle disk sum, and puncture needle is by entering site of puncture in trocar sleeve；The external correcting mechanism includes second angle disk and index needle, and the index needle is connect by the universal driving shaft being threaded through in the cross bar with the trocar sleeve, keeps rotating synchronously with the trocar sleeve.Trocar sleeve and index needle is arranged in the utility model, and the two is connected by universal driving shaft, it keeps rotating synchronously, simulation puncture is carried out in vitro, puncture angle and paracentesis depth is accurately positioned, puncture process is simplified, the disposable measurement for completing puncture angle and paracentesis depth improves and punctures efficiency and precision.
Description
Technical field
The utility model relates to a kind of medical instruments, more particularly to a kind of medical instrument that auxiliary spinal operation punctures.
Background technique
Minimally invasive spine surgical is a kind of modus operandi of new treatment spinal disease.Such operation is firstly the need of from sufferer portion
It is punctured on the epidermis of position, to guide the tools such as working column accurately to reach sufferer position.Backbone peripheral nerve, blood vessel are intensive,
Direction inaccuracy is punctured, can lead to the vital tissues organ damage such as nerves within the body blood vessel.
Doctors experience and feel are leaned in existing puncture technique, the direction for entering needle entirely, after puncture needle enters certain depth, need
CT scan determines that whether puncture direction and position meets expection, if any error, needs to adjust inserting needle direction or position again.It punctures
Precision it is lower, process is complicated, it is most likely that causes additional tissue injury, increases the pain of patient.Behaviour is also increased simultaneously
Make the time, increases operation risk；If site of puncture also will cause pneumothorax, the side reactions such as bleeding, serious person is even in lung
It can life-threatening.
In addition to this, since previous puncturing operation is only completed with doctor personal experience and space imagination, blindness compared with
Greatly, it needs to have an X-rayed repeatedly to determine whether puncture position is accurate, not only wastes operating time, to patient, other organs cause to damage
Wound also will increase the time of patient and the doctor exposure in radiation.
Summary of the invention
Goal of the invention: the utility model aim is in view of the deficiencies of the prior art, to provide a kind of effectively solution backbone hand
Art puncture process is complicated and punctures the external positioning device of the low problem of accuracy.
Technical solution: spinal operation described in the utility model punctures external positioning device, including lower supporting mechanism, vertically
It is fixed on the fixing groove on the lower supporting mechanism top, the cross bar being placed in the fixing groove, and is separately mounted to described
The piercing mechanism at cross bar both ends and external correcting mechanism；
The piercing mechanism includes first angle disk and positioned at first angle disk described in lateral edge outside the first angle disk
The trocar sleeve of center of circle rotation, the first angle disk are fixed on one end of the cross bar, and the trocar sleeve is hollow set
Barrel structure, puncture needle is by entering site of puncture in trocar sleeve；The external correcting mechanism include second angle disk and be located at institute
The index needle of the center of circle rotation of two angle scales described in the outer lateral edge of second angle disk is stated, the second angle disk is fixed on the cross bar
The other end, the index needle is connect by the universal driving shaft being threaded through in the cross bar with the trocar sleeve, with the puncture
Sleeve keeps rotating synchronously, and the top of the index needle is concordant with the top of the trocar sleeve；
Angle index is provided on the first angle disk and second angle disk, and two angle scale high scales mark is one by one
It is corresponding.
Further preferably technical solution is the utility model, and the lower supporting mechanism includes pedestal and support rod, described
Pedestal is fixed on operating bed handrail, and the support rod is fixed on the top of the pedestal, and the support rod is that the more piece body of rod is embedding
Cover the telescopic rod of composition.
Preferably, it is symmetrically arranged with level meter on cross bar, locking knob is provided in the fixing groove, for positioning fixation
The cross bar.
Preferably, the shell of the index needle is transparent plastics material, and shell is embedded with the metal wire of simulation puncture needle, gold
Belong to line two sides and be provided with scale, the starting point of scale is the top of index needle.
Preferably, telecontrolled rotating mechanism, the telecontrolled rotating mechanism and the finger are additionally provided on the second angle disk
Marking peg connection, controls and rotates in the index needle along the center of circle of the second angle disk.
Preferably, the angle index line of the first angle disk and second angle disk is made of the metal wire inlayed.
The course of work and working principle of the utility model are:
Pedestal and support rod are fixed on first on the handrail of operating bed side, cross bar is placed on consolidating for supporting bar top
Determine in slot, adjust cross bar position, be positioned at trocar sleeve right above quasi- puncture position skin, observe level meter, adjusts cross bar
To horizontal position, locking knob fixed transverse rod is screwed.When necessary support rod height can be adjusted according to patient's height.Rotate indicator
To estimating position, indicator is remotely controlled under CT irradiation, and fine tuning to ideal position, the angle value on reading angular disk passes through
Scale on index needle judges paracentesis depth.With puncture needle by trocar sleeve, according to the puncture backshank stayed in outside trocar sleeve
Length is held, with differential technique, accurate judgement paracentesis depth.
The utility model has the advantages that (1) the utility model setting trocar sleeve and index needle, and connected the two by universal driving shaft, it protects
Synchronous rotation is held, carries out simulation puncture in vitro, puncture angle and paracentesis depth is accurately positioned, simplifies puncture process, once
Property complete puncture angle and paracentesis depth measurement, improve puncture efficiency and precision；
(2) Needle localization can be completed in the device of the utility model within a short period of time, and product structure is simple, use
It is quick and easy for installation, it is only necessary to which that Needle localization can be completed in a ct fluoroscopy, reduces exposure duration of the sufferer in radiation；
(3) telecontrolled rotating device is used in the utility model, makes operator that can implement to puncture in complete remote control of an area
Positioning, avoids by radiation hazradial bundle；
(4) support rod of the utility model uses telescopic mounting, can adapt to different height patient use.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of external positioning device described in the utility model；
Fig. 2 is the index needle construction schematic diagram of external positioning device described in the utility model.
Specific embodiment
Technical solutions of the utility model are described in detail below by attached drawing, but the protection scope of the utility model
It is not limited to the embodiment.
Embodiment: a kind of external positioning device of spinal operation puncture, including lower supporting mechanism are vertically fixed on lower support
The fixing groove 3 on mechanism top, the cross bar 4 being placed in fixing groove 3, and it is separately mounted to the piercing mechanism at 4 both ends of cross bar
With external correcting mechanism.
Lower supporting mechanism includes pedestal 1 and support rod 2, and pedestal 1 is fixed on operating bed handrail, and support rod 2 is fixed on base
Seat 1 top, support rod 2 be more piece body of rod nested groups at telescopic rod.
It is symmetrically arranged with level meter 9 on cross bar 4, is provided with locking knob in fixing groove 3, for positioning fixed transverse rod 4.
Piercing mechanism includes first angle disk 5 and rotates positioned at the center of circle of the outer lateral edge first angle disk 5 of first angle disk 5
Trocar sleeve 6, first angle disk 5 are fixed on one end of cross bar 4, and trocar sleeve 6 is hollow tube-in-tube structure, and puncture needle is by puncturing
Enter site of puncture in sleeve 6.
External correcting mechanism includes second angle disk 7 and rotates positioned at the center of circle of outer two angle scale 7 of lateral edge of second angle disk 7
Index needle 8, second angle disk 7 is fixed on the other end of cross bar 4, telecontrolled rotating mechanism is additionally provided on second angle disk 7, distant
Control rotating mechanism is connect with index needle 8, is controlled and is rotated in index needle 8 along the center of circle of second angle disk 7, and index needle 8 is by wearing
Universal driving shaft in cross bar 4 is connect with trocar sleeve 6, keeps rotating synchronously with trocar sleeve 6, the top of index needle 8 and puncture
The top of sleeve 6 is concordant；The shell of index needle 8 is transparent plastics material, and shell is embedded with the metal wire 10 of simulation puncture needle, gold
Belong to 10 two sides of line and be provided with scale, the starting point of scale is the top of index needle 8.
The angle index being made of the metal wire inlayed, and two corners are provided on first angle disk 5 and second angle disk 7
Scale high scale mark corresponds.
The external positioning device can quickly and accurately judge puncture angle and paracentesis depth under ct fluoroscopy cooperation.
Only need a ct fluoroscopy that Needle localization can be completed, reduce patient have an X-rayed number, reduce patient be exposed to radiation in when
Between.Using remote control device, makes operator in secure region operation locator, operator is avoided to be exposed to radiation environment
In.Puncture process is simplified, puncture process is accurate, quick, shortens operating time, reduces operation risk, and alleviates trouble
Person's pain.
As described above, although the utility model has been indicated and described referring to specific preferred embodiment, it must not
It is construed to the limitation to the utility model itself.In the spirit and scope for not departing from the utility model that appended claims define
Under the premise of, it can various changes can be made in the form and details to it.
Claims (6)
1. a kind of spinal operation punctures external positioning device, which is characterized in that including lower supporting mechanism, be vertically fixed on described
The fixing groove on lower supporting mechanism top, the cross bar being placed in the fixing groove, and it is separately mounted to the cross bar both ends
Piercing mechanism and external correcting mechanism；
The piercing mechanism includes first angle disk and positioned at the center of circle of first angle disk described in lateral edge outside the first angle disk
The trocar sleeve of rotation, the first angle disk are fixed on one end of the cross bar, and the trocar sleeve is hollow sleeve knot
Structure, puncture needle is by entering site of puncture in trocar sleeve；The external correcting mechanism includes second angle disk and is located at described the
The index needle of the center of circle rotation of two angle scales described in the outer lateral edge of two angle scales, the second angle disk are fixed on the another of the cross bar
One end, the index needle are connect by the universal driving shaft being threaded through in the cross bar with the trocar sleeve, with the trocar sleeve
It keeps rotating synchronously, the top of the index needle is concordant with the top of the trocar sleeve；
Angle index is provided on the first angle disk and second angle disk, and two angle scale high scales mark one is a pair of
It answers.
2. spinal operation according to claim 1 punctures external positioning device, which is characterized in that the lower supporting mechanism
Including pedestal and support rod, the pedestal is fixed on operating bed handrail, and the support rod is fixed on the top of the pedestal, institute
State support rod be more piece body of rod nested groups at telescopic rod.
3. spinal operation according to claim 1 punctures external positioning device, which is characterized in that be symmetrical arranged on cross bar
There is level meter, be provided with locking knob in the fixing groove, for positioning the fixed cross bar.
4. spinal operation according to claim 1 punctures external positioning device, which is characterized in that the shell of the index needle
Body is transparent plastics material, and shell is embedded with the metal wire of simulation puncture needle, and metal wire two sides are provided with scale, the starting of scale
Point is the top of index needle.
5. spinal operation according to claim 1 punctures external positioning device, which is characterized in that the second angle disk
On be additionally provided with telecontrolled rotating mechanism, the telecontrolled rotating mechanism is connect with the index needle, control in the index needle along institute
State the center of circle rotation of second angle disk.
6. spinal operation according to claim 1 punctures external positioning device, which is characterized in that the first angle disk
It is made of with the angle index line of second angle disk the metal wire inlayed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721169270.0U CN208388715U (en) | 2017-09-12 | 2017-09-12 | A kind of external positioning device of spinal operation puncture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721169270.0U CN208388715U (en) | 2017-09-12 | 2017-09-12 | A kind of external positioning device of spinal operation puncture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208388715U true CN208388715U (en) | 2019-01-18 |
Family
ID=65065483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721169270.0U Expired - Fee Related CN208388715U (en) | 2017-09-12 | 2017-09-12 | A kind of external positioning device of spinal operation puncture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208388715U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111449735A (en) * | 2020-04-17 | 2020-07-28 | 李彦明 | Spinal surgery puncture locator |
| CN111529086A (en) * | 2020-05-08 | 2020-08-14 | 吉林大学第一医院 | Spine posterior minimally invasive surgery guide instrument |
-
2017
- 2017-09-12 CN CN201721169270.0U patent/CN208388715U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111449735A (en) * | 2020-04-17 | 2020-07-28 | 李彦明 | Spinal surgery puncture locator |
| CN111529086A (en) * | 2020-05-08 | 2020-08-14 | 吉林大学第一医院 | Spine posterior minimally invasive surgery guide instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190118 Termination date: 20190912 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |