CN203662817U - Wrist joint tractor - Google Patents
Wrist joint tractor Download PDFInfo
- Publication number
- CN203662817U CN203662817U CN201320778703.8U CN201320778703U CN203662817U CN 203662817 U CN203662817 U CN 203662817U CN 201320778703 U CN201320778703 U CN 201320778703U CN 203662817 U CN203662817 U CN 203662817U
- Authority
- CN
- China
- Prior art keywords
- tractive
- transverse arm
- location
- carpal joint
- steel column
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 210000003857 wrist joint Anatomy 0.000 title abstract 6
- 210000003797 carpal joint Anatomy 0.000 claims description 45
- 229910000831 Steel Inorganic materials 0.000 claims description 43
- 239000010959 steel Substances 0.000 claims description 43
- 210000001364 upper extremity Anatomy 0.000 claims description 10
- 210000002310 elbow joint Anatomy 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 2
- 208000015181 infectious disease Diseases 0.000 abstract description 2
- 238000004880 explosion Methods 0.000 abstract 1
- 238000001356 surgical procedure Methods 0.000 description 7
- 206010007710 Cartilage injury Diseases 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 210000003041 ligament Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002324 minimally invasive surgery Methods 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 210000000845 cartilage Anatomy 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003414 extremity Anatomy 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
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Abstract
The utility model discloses a wrist joint tractor and relates to the technical field of medical apparatuses. The tractor comprises a vertical support, a location cross arm and a traction cross arm are sleeved on the vertical support successively, the traction cross arm is arranged above the location cross arm, and the location cross arm and the traction cross arm are fixed on the vertical frame through connectors. A circular protruding portion is arranged in the middle of the traction cross arm, a traction rod penetrates the circular protruding portion and is fixed on the traction cross arm through a nut, and the bottom end of the traction rod is connected with a handle through a universal switch. By means of the wrist joint tractor, traction can be performed on the wrist joint effectively and safely, the wrist joint arthroscopy operation is convenient and minimally invasive, explosion is sufficient, and accordingly, the operation effect is improved, the operation time is shortened, and the operation wound is reduced. The wrist joint tractor is simple to operate, high in clinic practicality and capable of accelerating the operation, improving the operation efficiency, reducing wound exposure time and complications such as infection.
Description
Technical field
This utility model relates to technical field of medical instruments, is specifically related to a kind of carpal joint traction apparatus.
Background technology
Carpal joint videoendoscopic surgery is popular carpal joint Minimally Invasive Surgery recent years, and carpal joint Minimally Invasive Surgery inserts carpal joint by thin rod-shaped lens Wicresoft, and various diseases in carpal joint is diagnosed and treated.But because carpal joint gap is less, carpal joint mirror is inserted with and may occurs inserting difficulty and cause the problems such as the interior cartilage injury of carpal joint, therefore usually want tractive carpal joint in the time carrying out carpal joint videoendoscopic surgery, increase carpal joint gap, to reduce operating difficulty and minimizing cartilage injury's chance.There is following problem and shortcoming in existing traction frame carpal joint being drawn by finger-stall: 1, traction strength is limited, because finger-stall generally just completes carpal draw by the frictional force between fingerstall and finger, the strength of its traction is just very limited, can not effectively retract carpal joint.2, complete carpal traction by the frictional force between fingerstall and finger, strengthen just necessary pressurization fingerstall of frictional force, tend to like this cause finger blood circulatory disorder, will cause if tractive strength is excessive the ligament blood vessel equivalent damage that is pulled finger.3, carpal joint comprises very multi-chamber, will regulate the lead of palm for chamber between different, cannot regulate the lead of palm by finger-stall, can not appear better relevant internode chamber, pass, causes operation technique difficulty and therapeutic effect undesirable.
How regulate dynamics and the direction of traction according to the needs of operation, increase carpal joint gap and carpal joint effectively the appearing of chamber between each, reduce the difficulty and the chance that reduces cartilage, ligament equivalent damage of operation technique, the complication that simultaneously reduces traction is the problem that in current carpal joint videoendoscopic surgery, carpal joint draws required solution.
Summary of the invention
Primary and foremost purpose of the present utility model is just to overcome the existing deficiency of the existing medical apparatus and instruments that carpal joint is drawn, thereby provide a kind of carpal joint traction apparatus, this carpal joint traction apparatus can regulate carpal traction force and direction of draw according to the actual needs of carpal joint videoendoscopic surgery, reduce the various complication that cause due to traction, be providing safeguard smoothly of carpal joint operation simultaneously.
Carpal joint traction apparatus of the present utility model, comprise vertical support frame, on described vertical support frame, put successively the top that location transverse arm and tractive transverse arm and described tractive transverse arm are arranged at location transverse arm, location transverse arm and tractive transverse arm are all fixed on vertical support frame by connector, the centre of described tractive transverse arm is provided with ring-type protuberance, in described ring-type protuberance, penetrate stayed pole, described stayed pole is fixed on tractive transverse arm by nut, and the bottom of described stayed pole is connected with handle by universal switch.
Described stayed pole is cylindrical rod piece, and the diameter of described stayed pole is 1.5cm.
Described stayed pole is provided with external screw thread.
Described vertical support frame bottom connects tripod.
Described vertical support frame comprises five with groove and the steel column connecting successively, and described each steel column two ends are respectively equipped with plug and interface, and plug and interface are suitable.
In described groove, be provided with equally distributed several locating holes.
The length of described steel column is 40cm, and diameter is 2cm.
Described tripod comprises base and be arranged at three hack levers on base, and the upper end of described base is provided with access port, inserts the plug of described steel column in described access port.
Described location transverse arm comprises location armed lever and is arranged at the positioning sleeve of the hollow of armed lever one end, location, the side of described positioning sleeve is provided with location through hole, described positioning sleeve is enclosed within on corresponding steel column, connector penetrates the locating hole of the location through hole of positioning sleeve and the groove of steel column successively, and location transverse arm is fixed on steel column.
Described location transverse arm is cylindrical rod piece, and the length of described location transverse arm is 40cm, and diameter is 3cm.
Described tractive transverse arm comprises tractive armed lever and is arranged at the tractive cover of the hollow of tractive armed lever one end, the side of described tractive cover is provided with tractive through hole, described tractive cover is enclosed within on corresponding steel column, connector penetrates the locating hole of the tractive through hole of tractive cover and the groove of steel column successively, and tractive transverse arm is fixed on steel column.
Described tractive transverse arm length is 30cm, and diameter is 2cm.
The external diameter of described ring-type protuberance is 3cm, and internal diameter is 1.6cm.
Described universal switch comprises outer ball cover, the top of described outer ball cover is connected with described stayed pole, in described outer ball cover, be provided with the endosphere concentric with outer ball cover, described ectosphere puts and is provided with the clamping hole that two mirror images arrange, two securing members penetrate respectively the position of fixing endosphere in two clamping holes, the bottom connecting handle of described endosphere.
Described outer ball cover is spherical structure, and the radian of described spherical structure is 240 degree.
The radius of described endosphere is less than the radius of outer ball cover internal diameter.
Described handle is oval, and the inside of the described handle width of wide part is 3cm.Internal diameter when this width and normal adult are partly clenched fist is suitable, conveniently five fingers is fixed on oval handle.
Use the patient's of described carpal joint traction apparatus elbow joint flexing 90 to spend, the upper limb fossa cubitalis is placed under the transverse arm of location and while holding fist, the difference in height at the height of tractive transverse arm and fist center is 15cm.
Use step of the present utility model is:
The first step, sterilization need to be carried out the upper limb of carpal joint videoendoscopic surgery;
Second step, five steel columns that disinfect are fitted together to formation vertical support frame, vertical support frame bottom connects the side that is placed on operating-table after tripod;
The 3rd step, the location transverse arm for countertraction is fixed on to the corresponding position of vertical support frame according to the height of operating-table, the positioning sleeve of location transverse arm is enclosed within on corresponding steel column, connector is through the location through hole of positioning sleeve, penetrate the locating hole of steel column groove, location transverse arm is fixed on steel column, patient's elbow joint flexing 90 is spent, the upper limb fossa cubitalis is placed under the transverse arm of location, upper limb is upwards vertically placed;
The fixing tractive transverse arm of the height at center when the 4th step, basis are held fist, and tractive transverse arm is parallel to location transverse arm, the tractive cover of described tractive transverse arm is enclosed within on corresponding steel column, connector is through the tractive through hole of tractive cover, penetrate the locating hole of the groove of steel column, tractive transverse arm is fixed on steel column, patient's elbow joint flexing 90 is spent, the upper limb fossa cubitalis is placed under the transverse arm of location and while holding fist, the difference in height at the height of tractive transverse arm and fist center is 15cm;
The 5th step, stayed pole is penetrated in the ring-type protuberance of tractive transverse arm, make handle be placed on palm center, be screwed into nut from the top of stayed pole, stayed pole is fixed on tractive transverse arm, can regulate the height of stayed pole according to the needs of operating-table and operation;
The 6th step, five fingers are fixed on handle, regulate pull strength and lead according to the actual needs of operation, when lead regulates, turning handle, rotates the endosphere of universal switch outside in ball cover, and range of accommodation is 120 degree; When lead is determined, two securing members that ectosphere is put are inwardly screwed into, for fixed traction direction.
The beneficial effects of the utility model:
1, this utility model can regulate according to the actual needs of the height of operating-table and operation the height of tractive transverse arm and location transverse arm.
2, this utility model can regulate lead and traction dynamics according to the actual needs of operation.
3, five fingers are fixed on simultaneously and on oval handle, can make hand stressed evenly, can increase pull strength according to the actual needs of operation, reduce cartilage injury's probability and reduce operating difficulty, also reduced finger-stall traction simultaneously and the complication that causes.
4, on oval handle, universal switch is installed, can be regulated lead according to the actual needs of operation, make to arrive in art that each chamber of carpal joint is convenient, safety.
5, regulate traction force by stayed pole, the adjusting of traction force is efficiently determined.
This utility model can retract carpal joint effective and safe, makes that carpal joint videoendoscopic surgery is convenient, Wicresoft, appears more abundant, thereby further improves surgical effect, shortens operating time, reduces operation wound.
This utility model is simple to operate, and Clinical practicability is strong, can make operation more quick, improves operation efficiency, reduces wound open-assembly time, reduces the complication such as infection.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present embodiment;
Fig. 2 is the structural representation of the vertical support frame of the present embodiment;
Fig. 3 is the structural representation of the steel column of the present embodiment;
Fig. 4 is the structural representation of the location transverse arm of the present embodiment;
Fig. 5 is the structural representation of the tractive transverse arm of the present embodiment;
Fig. 6 is the structural representation of the universal switch of the present embodiment;
Fig. 7 is the structural representation of the tripod of the present embodiment.
The specific embodiment
Below in conjunction with specific embodiment, the utility model is described in further detail.Should be understood that following examples are only for this utility model is described but not for limiting scope of the present utility model.
As shown in Figures 1 to 7, carpal joint traction apparatus of the present utility model, comprise vertical support frame 1, on described vertical support frame 1, put successively the top that location transverse arm 2 and tractive transverse arm 3 and described tractive transverse arm 3 are arranged at location transverse arm 2, location transverse arm 2 and tractive transverse arm 3 are all fixed on vertical support frame 1 by side screw 4, the centre of described tractive transverse arm 3 is provided with ring-type protuberance 31, in described ring-type protuberance 31, penetrate stayed pole 5, described stayed pole 5 is fixed on tractive transverse arm 3 by nut 9, and the bottom of described stayed pole 5 is connected with handle 7 by universal switch 6.
The cross section of the rod member through hole 31 on described tractive transverse arm 3 is circular, and the diameter of described circular W1 is 3cm.
Described stayed pole 5 is cylindrical rod piece, and the diameter of described stayed pole 5 is 1.5cm.
Described stayed pole 5 is provided with external screw thread.
Described vertical support frame 1 bottom connects tripod 8.
Described vertical support frame 1 comprises five with groove 111 and the steel column 11 connecting successively, and described each steel column 11 two ends are respectively equipped with plug 112 and interface 113, and plug 112 and interface 113 are suitable.
In described groove 111, be provided with equally distributed several locating holes 114.
The length of described steel column 11 is 40cm, and diameter is 2cm.
Described tripod 8 comprises base 81 and is arranged at three hack levers 82 on base 81, and the upper end of described base 81 is provided with access port 811, inserts the plug 112 of described steel column 11 in described access port 811.
Described location transverse arm 2 comprises location armed lever 21 and is arranged at the positioning sleeve 22 of the hollow of armed lever 21 one end, location, the side of described positioning sleeve 22 is provided with location through hole 221, described positioning sleeve 22 is enclosed within on corresponding steel column 11, side screw 4 penetrates the locating hole 114 of the location through hole 221 of positioning sleeve 22 and the groove 111 of steel column 11 successively, and location transverse arm 2 is fixed on steel column 11.
Described location transverse arm 2 is cylindrical rod piece, and the length of described location transverse arm 2 is 40cm, and diameter is 3cm.
Described tractive transverse arm 3 comprises tractive armed lever 32 and is arranged at the tractive cover 33 of the hollow of tractive armed lever 32 one end, the side of described tractive cover 33 is provided with tractive through hole 331, described tractive cover 33 is enclosed within on corresponding steel column 11, side screw 4 penetrates the locating hole 114 of the tractive through hole 331 of tractive cover 33 and the groove 111 of steel column 11 successively, and tractive transverse arm 3 is fixed on steel column 11.
The length of described tractive transverse arm 3 is 30cm, and diameter is 2cm.
The external diameter of described ring-type protuberance 31 is 3cm, and internal diameter is 1.6cm.
Described universal switch 6 comprises outer ball cover 61, the top of described outer ball cover 61 is connected with described stayed pole 5, in described outer ball cover 61, be provided with the endosphere 63 concentric with outer ball cover 61, described outer ball cover 61 is provided with the clamping hole that two mirror images arrange, two hold out against screw 64 and penetrate respectively the position of fixing endosphere 3 in two clamping holes, the bottom connecting handle 7 of described endosphere 63.
Described outer ball cover 61 is spherical structure, and the radian θ of described spherical structure is 240 degree.
The radius of described endosphere 63 is less than the radius of outer ball cover 61 internal diameters.
Described handle 7 is oval, and the inside of the described handle 7 width W 2 of wide part is 3cm.Internal diameter when this width W 2 is partly clenched fist with normal adult is suitable, conveniently five fingers is fixed on oval handle 7.
Use the patient's of described carpal joint traction apparatus elbow joint flexing 90 to spend, the upper limb fossa cubitalis is placed on location transverse arm 2 times and while holding fist, the difference in height at the height of tractive transverse arm 3 and fist center is 15cm.
Use step of the present utility model is:
The first step, sterilization need to be carried out the upper limb of carpal joint videoendoscopic surgery;
Second step, five steel columns 11 that disinfect are fitted together and form vertical support frame 1, vertical support frame 1 bottom connects the side that is placed on operating-table after tripod 8;
The 3rd step, the location transverse arm 2 for countertraction is fixed on to the corresponding position of vertical support frame 1 according to the height of operating-table, the positioning sleeve 22 of location transverse arm 2 is enclosed within on corresponding steel column 11, side screw 4 is through the location through hole 221 of positioning sleeve 22, penetrate the locating hole 114 of the groove 111 of steel column 11, location transverse arm 2 is fixed on steel column 11, patient's flexing elbow joint, is fixed on location transverse arm 2 times by the suffering limb fossa cubitalis, and upper limb is upwards vertically placed;
The fixing tractive transverse arm 3 of the height at center when the 4th step, basis are held fist, and tractive transverse arm 3 is parallel to location transverse arm 2, the tractive cover 33 of described tractive transverse arm 3 is enclosed within on corresponding steel column 11, side screw 4 is through the tractive through hole 331 of tractive cover 33, penetrate the locating hole 114 of the groove 111 of steel column 11, tractive transverse arm 3 is fixed on steel column 11, patient's elbow joint flexing 90 is spent, when the upper limb fossa cubitalis is placed on to location transverse arm 2 times and holds fist, the difference in height at the height of tractive transverse arm 3 and fist center is 15cm;
The 5th step, stayed pole 5 is penetrated in the ring-type protuberance 31 of tractive transverse arm 3, make handle 7 be placed on palm center, be screwed into nut 9 from the top of stayed pole 5, stayed pole 5 is fixed on tractive transverse arm 3, can regulate the height of stayed pole 5 according to the needs of operating-table and operation;
The 6th step, five fingers are fixed on handle 7, regulate pull strength and lead according to the actual needs of operation, when lead regulates, turning handle 7, makes the endosphere 63 interior rotation of ball cover 61 outside of universal switch 6, and range of accommodation is 120 degree; When lead is determined, hold out against screw 64 by two on outer ball cover 61 and be inwardly screwed into, for fixed traction direction.
Claims (10)
1. a carpal joint traction apparatus, it is characterized in that, comprise vertical support frame, on described vertical support frame, put successively the top that location transverse arm and tractive transverse arm and described tractive transverse arm are arranged at location transverse arm, location transverse arm and tractive transverse arm are all fixed on vertical support frame by connector, the centre of described tractive transverse arm is provided with ring-type protuberance, in described ring-type protuberance, penetrate stayed pole, described stayed pole is fixed on tractive transverse arm by nut, and the bottom of described stayed pole is connected with handle by universal switch.
2. carpal joint traction apparatus as claimed in claim 1, is characterized in that, described stayed pole is cylindrical rod piece, and described stayed pole is provided with external screw thread.
3. carpal joint traction apparatus as claimed in claim 1, is characterized in that, described vertical support frame comprises five with groove and the steel column connecting successively, and described each steel column two ends are respectively equipped with plug and interface, and plug and interface are suitable.
4. carpal joint traction apparatus as claimed in claim 3, is characterized in that, is provided with equally distributed several locating holes in described groove.
5. carpal joint traction apparatus as claimed in claim 4, it is characterized in that, described location transverse arm comprises location armed lever and is arranged at the positioning sleeve of the hollow of armed lever one end, location, the side of described positioning sleeve is provided with location through hole, described positioning sleeve is enclosed within on corresponding steel column, connector penetrates the locating hole of the location through hole of positioning sleeve and the groove of steel column successively, and location transverse arm is fixed on steel column.
6. carpal joint traction apparatus as claimed in claim 4, it is characterized in that, described tractive transverse arm comprises tractive armed lever and is arranged at the tractive cover of the hollow of tractive armed lever one end, the side of described tractive cover is provided with tractive through hole, described tractive cover is enclosed within on corresponding steel column, connector penetrates the locating hole of the tractive through hole of tractive cover and the groove of steel column successively, and tractive transverse arm is fixed on steel column.
7. carpal joint traction apparatus as claimed in claim 1, is characterized in that, the external diameter of described ring-type protuberance is 3cm, and internal diameter is 1.6cm.
8. carpal joint traction apparatus as claimed in claim 1, it is characterized in that, described universal switch comprises outer ball cover, the top of described outer ball cover is connected with described stayed pole, in described outer ball cover, be provided with the endosphere concentric with outer ball cover, described ectosphere puts and is provided with the clamping hole that two mirror images arrange, and two securing members penetrate respectively the position of fixing endosphere in two clamping holes, the bottom connecting handle of described endosphere.
9. carpal joint traction apparatus as claimed in claim 8, is characterized in that, described outer ball cover is spherical structure, and the radian of described spherical structure is 240 degree.
10. carpal joint traction apparatus as claimed in claim 9, it is characterized in that, use the patient's of described carpal joint traction apparatus elbow joint flexing 90 to spend, the upper limb fossa cubitalis is placed under the transverse arm of location and while holding fist, the difference in height at the height of tractive transverse arm and fist center is 15cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320778703.8U CN203662817U (en) | 2013-12-02 | 2013-12-02 | Wrist joint tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320778703.8U CN203662817U (en) | 2013-12-02 | 2013-12-02 | Wrist joint tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203662817U true CN203662817U (en) | 2014-06-25 |
Family
ID=50959158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320778703.8U Expired - Lifetime CN203662817U (en) | 2013-12-02 | 2013-12-02 | Wrist joint tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203662817U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108309672A (en) * | 2018-02-23 | 2018-07-24 | 南京市第医院 | A kind of wrist joint operation towing bracket |
-
2013
- 2013-12-02 CN CN201320778703.8U patent/CN203662817U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108309672A (en) * | 2018-02-23 | 2018-07-24 | 南京市第医院 | A kind of wrist joint operation towing bracket |
| CN108309672B (en) * | 2018-02-23 | 2022-06-07 | 南京市第一医院 | Wrist joint operation traction support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140625 |
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| CX01 | Expiry of patent term |