CN107753072A - A kind of hydraulic system of thoracic cavity dilator - Google Patents
A kind of hydraulic system of thoracic cavity dilator Download PDFInfo
- Publication number
- CN107753072A CN107753072A CN201711222205.4A CN201711222205A CN107753072A CN 107753072 A CN107753072 A CN 107753072A CN 201711222205 A CN201711222205 A CN 201711222205A CN 107753072 A CN107753072 A CN 107753072A
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- hydraulic
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0206—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors with antagonistic arms as supports for retractor elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00535—Surgical instruments, devices or methods, e.g. tourniquets pneumatically or hydraulically operated
- A61B2017/00539—Surgical instruments, devices or methods, e.g. tourniquets pneumatically or hydraulically operated hydraulically
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00743—Type of operation; Specification of treatment sites
- A61B2017/00796—Breast surgery
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Harvester Elements (AREA)
Abstract
The invention discloses a kind of hydraulic system of thorax cavity retractor, it includes：Hydraulic telescopic arm is between rigid staybolt open arms and mobile support open arms；Hydraulic die cushion is arranged on the working face of plate page, and hydraulic die cushion is connected by the first fluid pressure line with hydraulic cylinder；Signal control module is connected by signal transmssion line with hydraulic cylinder, and signal control module is used to control three kinds of hydraulic cylinder supercharging, pressure release and voltage stabilizing operations；First pressure sensor is installed in the first fluid pressure line；Second pressure sensor is installed in the second fluid pressure line.It is high present invention mainly solves traditional thoracic cavity dilator requirement, it is time-consuming longer, strut the problem of process is whard to control, by setting hydraulic system on thorax cavity retractor, reach precision control, using effect is good, it is entirely avoided the deficiency present in traditional thoracic cavity dilator.
Description
Technical field
The present invention relates to surgical operating instrument technical field, more particularly to a kind of hydraulic system of thorax cavity retractor.
Background technology
In thoracic surgery, often need to be strutted the opening between rib with thorax cavity retractor, performed the operation with facilitating,
At present, the structure of traditional thoracic cavity dilator includes the structures such as fixed arm, transfer arm, plate page, swinging handle, rack, passes through control
Transfer arm processed sliding to control the opening Chengdu of thoracic cavity dilator on rack, thus reaches the purpose for strutting rib.Due to
Fixed arm and transfer arm are parallel to each other, and in order to form V-type opening, plate page is preferably bonded rib, prevent plate page
Front and rear edges damage rib, typically in plate page and the regulating bolt that arm junction is provided with adjustable-angle is strutted, by turning
Dynamic regulating bolt comes the angle of inclination of adjustable plate page, and then realizes above-mentioned function.But in actual use, traditional thoracic cavity
There is inconvenience in dilator, because whole process relies on manual operation, thoracic cavity dilator struts size and the angle person of needing to use
Rule of thumb judge, this just requires very high to the operation skill of user, even if meeting to require, only judges to strut by experience
Size and angle, it is clear that be the possibility that can have experience erroneous judgement, secondary injury easily is caused to patient, influences entirely to perform the operation
Journey, meanwhile, during entirely rib is strutted, the time of cost is longer, causes the thoracic surgery time longer, is unfavorable for whole
Individual surgical procedure is higher to the physical fitness requirement of operative doctor.
The content of the invention
The goal of the invention of the present invention is：For above-mentioned problem, there is provided a kind of hydraulic system of thorax cavity retractor,
By setting hydraulic system on thorax cavity retractor, mainly solve traditional thoracic cavity dilator requirement height, it is time-consuming longer, strut
The problem of process is difficult to control.
The technical solution adopted by the present invention is as follows：A kind of hydraulic system of thorax cavity retractor, including thorax cavity retractor and liquid
Pressure device, hydraulic means is interior to be provided with hydraulic cylinder, it is characterised in that it includes：
Hydraulic telescopic arm, connected side by side by travelling arm between rigid staybolt open arms and mobile support open arms, mobile support open arms can be in cunning
On swing arm slidably, hydraulic telescopic arm is set on travelling arm, and between rigid staybolt open arms and mobile support open arms, hydraulic pressure
Telescopic arm is connected by the second fluid pressure line with hydraulic cylinder, and hydraulic telescopic arm controls rigid staybolt open arms and mobile support by hydraulic pressure
The distance between open arms；
Hydraulic die cushion, hydraulic die cushion are arranged on the working face of plate page, and hydraulic die cushion includes compliance cavity, and compliance cavity is used to accommodate hydraulic oil,
Externally expanded when being pressurized in compliance cavity, hydraulic die cushion is connected by the first fluid pressure line with hydraulic cylinder；
Hydraulic cylinder, the first fluid pressure line and the second fluid pressure line is communicated with hydraulic cylinder, signal control module is transmitted by signal
Line is connected with hydraulic cylinder, and signal control module is used to control three kinds of hydraulic cylinder supercharging, pressure release and voltage stabilizing operations；
Signal control module, including signal input module and central processing module, signal input module and central processing module lead to
Signal transmssion line connection is crossed, central processing module is connected by signal transmssion line and is connected with hydraulic cylinder, and signal input module is used for
The input signal into central processing module, central processing module are used for process signal and send execution signal to hydraulic cylinder；
First pressure sensor, it is installed in the first fluid pressure line, for detecting the pressure in the first fluid pressure line, first pressure
Sensor is connected by signal transmssion line with central processing module, with real-time Transmission pressure signal；
Second pressure sensor, it is installed in the second fluid pressure line, for detecting the pressure in the second fluid pressure line, second pressure
Sensor is connected by signal transmssion line with central processing module, with real-time Transmission pressure signal.
Further, hydraulic telescopic arm includes retractable sack, and retractable sack is the ring-segment-like structure with Telescopic, retractable sack
One end connects with the second fluid pressure line, and the other end of retractable sack is cecum, is full of hydraulic oil in retractable sack.
Preferably, signal input module is keyboard input devices.
Further, central processing module is CPU or PLC.
In summary, by adopting the above-described technical solution, the beneficial effects of the invention are as follows：A kind of chest provided by the invention
The hydraulic system of chamber dilator, mainly solves traditional thoracic cavity dilator requirement height, time-consuming longer, the process of strutting is difficult to control
The problem of, by setting hydraulic system on thorax cavity retractor, the support of thoracic cavity dilator is automatically controlled and adjusted using hydraulic pressure
The deviation angle of size and plate page is opened, it is entirely time-consuming very short, precision control can be reached, using effect is good, it is entirely avoided pass
The above-mentioned deficiency united present in the dilator of thoracic cavity, provides very big convenience for thoracic surgery, shortens operating time, practical valency
Value is high.
Brief description of the drawings
Fig. 1 is a kind of thoracic cavity dilator three dimensional structure diagram of the present invention；
Fig. 2 is the plate page structure schematic diagram of the present invention；
Fig. 3 is the hydraulic telescopic arm section structure diagram of the present invention；
Fig. 4 is the HYDRAULIC CONTROL SYSTEM structure chart of the present invention.
Marked in figure：1 is rigid staybolt open arms, and 2 be mobile support open arms, and 3 be plate page, and 4 be travelling arm, and 5 be hydraulic telescopic arm,
6 be hydraulic pressure conveying arm, and 7 be hydraulic means, and 8 be support bar, and 9 be hydraulic die cushion, and 10 be handle.
Embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figure 1 to Figure 3, a kind of thorax cavity retractor, including the rigid staybolt open arms 1 and mobile support open arms 2 being arranged side by side,
It is respectively arranged on the plate page 3 of rigid staybolt open arms 1 and the one end of mobile support open arms 2, rigid staybolt open arms 1 one end and slip away from plate page 3
Arm 4 is vertically fixedly connected, and the one end of mobile support open arms 2 away from plate page 3 is slidably connected with travelling arm 4, rigid staybolt open arms 1 and movement
Strut and telescopic hydraulic telescopic arm 5 is provided between arm 2, the both ends of hydraulic telescopic arm 5 are connected to rigid staybolt open arms 1 and moved
Dynamic to strut on arm 2, the one end of rigid staybolt open arms 1 away from plate page 3 is connected by hydraulic pressure conveying arm 6 with hydraulic means 7, hydraulically extensible
Arm 5 is connected by fluid pressure line with hydraulic means 7, hydraulic telescopic arm 5 be used to controlling rigid staybolt open arms 1 and mobile support open arms 2 it
Between distance.
Hydraulic means 7 controls the flexible of hydraulic telescopic arm 5 by fluid pressure line, fixed when hydraulic telescopic arm 5 stretches
The spacing strutted between arm 1 and mobile support open arms 2 is extended, and is achieved in the function of strutting.Now, if in fluid pressure line
Design of pressure is located at a threshold value（Threshold value is generally 300-1000N）, when the pressure in fluid pressure line reaches threshold value, stop
The pressure pressurizeed simultaneously in stable hydraulic pipeline, then can abandon by Conventional wisdom to control the defects of strutting size, pass through hydraulic pressure
To provide power, realize automatically opening up for thoracic cavity dilator, thus solve the problems, such as it is time-consuming longer when thoracic cavity dilator uses,
Meanwhile the mode of hydraulic pressure voltage supply smoothly can apply pressure to rib, the skill of pressure is provided by rack compared to traditional
Art means, the mode of hydraulic pressure voltage supply can be better protected from rib compression overload, prevent rib damage fracture, user can be preferably
Judge the maximum weighted scope for whether having reached rib, the process of strutting is more easy to be controlled, and contributes to operation to be smoothed out.
Further, in order to which the hydraulic telescopic arm 5 of the present invention is better achieved, hydraulic telescopic arm 5 is set on travelling arm 4
As shown in figures 1 and 3, hydraulic telescopic arm 5 includes retractable sack, and retractable sack is the ring-segment-like structure with Telescopic, retractable sack
One end connected with fluid pressure line, the other end of retractable sack is cecum, is full of hydraulic oil in retractable sack.
Further, in order to prevent during strutting, mobile support open arms 2 is inclined relative to the generation of rigid staybolt open arms 1 angle
Move and influence the execution of distracting action, support bar 8 is provided between rigid staybolt open arms 1 and mobile support open arms 2, support bar 8, which is fixed, to be connected
The middle part of rigid staybolt open arms 1 is connected on, mobile support open arms 2 can be on support bar 8 slidably.
Further, angle is bonded for preferably adjustment plate page 3 and rib, prevents 3 pairs of ribs of plate page from causing to damage,
The working face of plate page 3 is provided with hydraulic die cushion 9, and hydraulic die cushion 9 includes compliance cavity（It is not drawn into figure）, it is externally swollen when being pressurized in compliance cavity
Swollen, compliance cavity is used to accommodate hydraulic oil, and compliance cavity is connected by fluid pressure line with hydraulic means 7.
Hydraulic means logical 7 crosses fluid pressure lines and feed hydraulic oil and provides pressure simultaneously into hydraulic die cushion 9, hydraulic die cushion 9 by
Outwards expanded from the compressing of hydraulic oil, thus promote hydraulic die cushion 9 to expand and be bonded tighter with the contact area of rib, enter
And realizing can also be such that plate page 3 is bonded completely with rib without the angle of adjustment plate page 3, the fiber crops of manual adjustment plate page 3 are avoided
Tired, fitting process is simpler, and fitting effect is more preferable.
In one embodiment of the invention, in order to prevent the surface reflection of rigid staybolt open arms 1 and mobile support open arms 2 and shadow
Frosted pad pasting is pasted with 2 surfaces of the sight of sound user, rigid staybolt open arms 1 and mobile support open arms（It is not drawn into figure）.
Further, hydraulic pressure conveying arm 5 includes coiled pipe（It is not drawn into figure）, fluid pressure line, liquid are disposed with coiled pipe
Pressure conveying arm 5 is used to protect fluid pressure line.
Further, in order to which hydraulic control thoracic cavity dilator is better achieved, present invention additionally comprises a kind of thorax cavity retractor
Hydraulic system, the hydraulic system of thorax cavity retractor includes hydraulic means 7, hydraulic cylinder, angular adjustment liquid is provided with hydraulic means 7
Pressure system and telescopic hydraulic system, as shown in figure 4, in Fig. 4, horizontal line represents fluid pressure line, arrow line represents signal transmssion line.
Angular adjustment hydraulic system and telescopic hydraulic system pass through signal control by signaling control unit connection liquid cylinder pressure, hydraulic cylinder respectively
Unit processed controls angular adjustment hydraulic system and telescopic hydraulic system respectively, and angular adjustment hydraulic system is pressed by hydraulic die cushion 9, first
Force snesor and the first fluid pressure line composition, first pressure sensor is installed in the first fluid pressure line, for detecting the first liquid
Pressure in pressure pipe road, one end connection hydraulic die cushion 9 of the first fluid pressure line, its other end pass through hydraulic pressure conveying arm 6 and hydraulic cylinder
Connection, first pressure sensor are connected by wire or signal transmssion line with signaling control unit.Telescopic hydraulic system is by hydraulic pressure
Telescopic arm 5, second pressure sensor and the second fluid pressure line composition, second pressure sensor are installed in the second fluid pressure line,
For detecting the pressure of the second fluid pressure line, one end connection hydraulic telescopic arm 5 of the second fluid pressure line, its other end passes through hydraulic pressure
Conveying arm 6 is connected with hydraulic cylinder, and second pressure sensor is connected by wire or signal transmssion line with signaling control unit.Signal
Control unit includes signal input module, central processing module and signal output module, central processing module and signal output mould
Block is installed on hydraulic cylinder, and signal input module is installed on the shell of hydraulic means 7, signal input module and central processing mould
Block is connected by wire or signal transmssion line, for conveying external signal to central processing module, signal input module its can
To be keyboard input devices or remote controller input equipment；Central processing module passes through signal transmssion line and hydraulic pressure
Cylinder is connected, and signal input module, first pressure sensor and second pressure sensor are connected with central processing module, centre
It can be CPU or PLC to manage module, for handling the various signals from outside and reacting；Signal output module includes liquid
Cylinder pressure, for performing the signal sent from central processing module, signaling control unit is controlled respectively by signal output module
Angular adjustment hydraulic system and telescopic hydraulic system.
The hydraulic control method of the hydraulic system of the thorax cavity retractor of the present invention, comprises the following steps：
Step 1, the hydraulic system that starts, signaling control unit are started working, and initial threshold is set by signal input module（Initially
Threshold value can be set as 1-10N, preferably 3N）, hydraulic die cushion threshold value（Hydraulic die cushion threshold value can be set as 50-300N, be preferably
100N）With hydraulic telescopic arm threshold value（Hydraulic telescopic arm threshold value can be set as 200-1000N, preferably 500N）, signal input
The initial threshold of input, hydraulic die cushion threshold value and hydraulic telescopic arm threshold value are delivered in central processing module and stored by module；
（Indicate：The reference value provided in above-mentioned bracket is estimated by adult's standard）
After the completion of step 2, step 1, by signal input module input initialization signal 001, hydraulic cylinder receives initial signal 001
It is oily to delivery hydraulic pressure in the fluid pressure line of angular adjustment hydraulic system and telescopic hydraulic system respectively by fluid pressure line afterwards, first
Pressure sensor and second pressure sensor detect the pressure value in fluid pressure line in real time, and pressure value is converted into pressure signal
It is transferred to central processing module to be handled, when the pressure signal of first pressure sensor and second pressure sensor transmissions reaches
During the initial threshold of setting, central processing module, which is sent, maintains pressure signal 002, after hydraulic cylinder receives maintenance pressure signal 002,
Stop to angular adjustment hydraulic system and telescopic hydraulic system feed hydraulic oil, and maintain the first fluid pressure line and the second hydraulic tube
Pressure in road, now, mobile support open arms 2 can be on travelling arms 4 slidably；
Step 3, thorax cavity retractor is moved to needs traction part, hand holds the handle of thorax cavity retractor, and plate page 3, which is inserted, to be needed
Part is retracted, flexible execution signal 003 is then inputted by signal input module, hydraulic cylinder reception is flexible to perform signal 003
Afterwards, feed hydraulic oil and the pressure value in the second fluid pressure line is constantly increased into telescopic hydraulic system, hydraulic telescopic arm promotes
Mobile support open arms 2 moves, and realizes the distracting action of thorax cavity retractor；
Step 4, reach hydraulic telescopic arm threshold value when the pressure value in the second fluid pressure line that second pressure sensor detects in real time
When, central processing module, which is sent, stops telescope signal 004, after hydraulic cylinder receives stopping telescope signal 004, stops to telescopic hydraulic
System feed hydraulic oil, and maintain the pressure in the second fluid pressure line；
After the completion of step 5, step 4, the pressure in the second fluid pressure line that second pressure sensor detects in real time reaches stationary value
When, central processing module sends angular adjustment and performs signal 005, after the regulation of hydraulic cylinder receiving angle performs signal 005, to angle
Hydraulic system feed hydraulic oil is adjusted, and constantly increases the pressure value in the first fluid pressure line, hydraulic die cushion 9 starts outwards to expand,
And constantly increase the contact area with contacting object, realize hydraulic die cushion 9 with contacting the complete fitting of object；
Step 6, when the pressure value in the first fluid pressure line that first pressure sensor detects in real time reaches hydraulic die cushion threshold value, in
Centre processing module, which is sent, stops Regulate signal 006, after hydraulic cylinder receives stopping Regulate signal 006, stops to angular adjustment hydraulic pressure
System feed hydraulic oil, and the pressure in the first fluid pressure line is maintained, the whole distracting action of thoracic cavity dilator is completed；
Step 7, when needing to remove thoracic cavity dilator, pressure release signal 007 is inputted by signal input module, hydraulic cylinder passes through center
After processing module receives pressure release signal 007, angular adjustment hydraulic system and telescopic hydraulic system are entered respectively by fluid pressure line
Row pressure release, when the pressure value of first pressure sensor detection reaches hydraulic die cushion threshold value again, central processing module sends stopping
Pressure release signal 101；When the pressure value of second pressure sensor detection reaches hydraulic telescopic arm threshold value again, central processing module
Send and stop pressure release signal 102, hydraulic cylinder receives respectively stops pressure release signal 101 with after stopping pressure release signal 102, stops respectively
Pressure release is carried out to angular adjustment hydraulic system and telescopic hydraulic system, and is maintained in the first fluid pressure line and the second fluid pressure line
Pressure, in case reusing；
Step 8, when not using thoracic cavity dilator, pass through signal input module input termination signal 008, hydraulic cylinder receive eventually
Pressure release is carried out to angular adjustment hydraulic system and telescopic hydraulic system respectively by fluid pressure line after stop signal 008 and reclaims hydraulic pressure
Oil, when the pressure value that first pressure sensor and second pressure sensor detect is 0, hydraulic cylinder stopping action, hydraulic pressure dress
Put 7 and be in state to be shut down, now, power off.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (4)
1. a kind of hydraulic system of thorax cavity retractor, including thorax cavity retractor and hydraulic means, hydraulic means is interior to be provided with hydraulic cylinder,
Characterized in that, it includes：
Hydraulic telescopic arm, connected side by side by travelling arm between rigid staybolt open arms and mobile support open arms, mobile support open arms can be in cunning
On swing arm slidably, hydraulic telescopic arm is set on travelling arm, and between rigid staybolt open arms and mobile support open arms, hydraulic pressure
Telescopic arm is connected by the second fluid pressure line with hydraulic cylinder, and hydraulic telescopic arm controls rigid staybolt open arms and mobile support by hydraulic pressure
The distance between open arms；
Hydraulic die cushion, hydraulic die cushion are arranged on the working face of plate page, and hydraulic die cushion includes compliance cavity, and compliance cavity is used to accommodate hydraulic oil,
Externally expanded when being pressurized in compliance cavity, hydraulic die cushion is connected by the first fluid pressure line with hydraulic cylinder；
Hydraulic cylinder, the first fluid pressure line and the second fluid pressure line is communicated with hydraulic cylinder, signal control module is transmitted by signal
Line is connected with hydraulic cylinder, and signal control module is used to control three kinds of hydraulic cylinder supercharging, pressure release and voltage stabilizing operations；
Signal control module, including signal input module and central processing module, signal input module and central processing module lead to
Signal transmssion line connection is crossed, central processing module is connected by signal transmssion line and is connected with hydraulic cylinder, and signal input module is used for
The input signal into central processing module, central processing module are used for process signal and send execution signal to hydraulic cylinder；
First pressure sensor, it is installed in the first fluid pressure line, for detecting the pressure in the first fluid pressure line, first pressure
Sensor is connected by signal transmssion line with central processing module, with real-time Transmission pressure signal；
Second pressure sensor, it is installed in the second fluid pressure line, for detecting the pressure in the second fluid pressure line, second pressure
Sensor is connected by signal transmssion line with central processing module, with real-time Transmission pressure signal.
2. the hydraulic system of thorax cavity retractor as claimed in claim 1, it is characterised in that hydraulic telescopic arm includes retractable sack,
Retractable sack is the ring-segment-like structure with Telescopic, and one end of retractable sack connects with the second fluid pressure line, retractable sack it is another
Hold as cecum, is full of hydraulic oil in retractable sack.
3. the hydraulic system of thorax cavity retractor as claimed in claim 1, it is characterised in that signal input module is input through keyboard
Equipment.
4. the hydraulic system of thorax cavity retractor as claimed in claim 1, it is characterised in that central processing module be CPU or
PLC。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711222205.4A CN107753072A (en) | 2017-11-29 | 2017-11-29 | A kind of hydraulic system of thoracic cavity dilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711222205.4A CN107753072A (en) | 2017-11-29 | 2017-11-29 | A kind of hydraulic system of thoracic cavity dilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107753072A true CN107753072A (en) | 2018-03-06 |
Family
ID=61276197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711222205.4A Withdrawn CN107753072A (en) | 2017-11-29 | 2017-11-29 | A kind of hydraulic system of thoracic cavity dilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107753072A (en) |
-
2017
- 2017-11-29 CN CN201711222205.4A patent/CN107753072A/en not_active Withdrawn
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Application publication date: 20180306 |