CN209280467U - Department of general surgery's organization structure of skeleton strength test device - Google Patents

Abstract

The utility model provides department of general surgery's organization structure of skeleton strength test device, including squeezing cylinder, U-shaped fixing seat, column, cam, driving motor, it starts switch, attachment base, fixing pipe, motion bar, baffle ring, buffer spring, support base, buffering is anti-to hurt extrusion head, it can the mobile locking block structure in position, supporting leg and bone put test mobile station structure, and the upper end bolt of the extruding cylinder is mounted on the upper horizontal section middle position of U-shaped fixing seat, the lower part of extruding cylinder middle position on the inside of the lower horizontal of U-shaped fixing seat.The utility model L-type Mobile base, fixture nut, conventional bearings, bone placement platform, the setting of adjusting screw rod and handle are conducive to the height and position that bone to be detected is adjusted according to test demand, guarantee the accuracy of detection；The setting of non-slip mat and fixing belt, be conducive to it is firm fix bone to be detected, while playing the role of anti-skidding.

Description

Department of general surgery's organization structure of skeleton strength test device

Technical field

The utility model belongs to medical auxiliary apparatus technical field more particularly to department of general surgery's organization structure of skeleton strength test Device.

Background technique

In well known technical field, in department of general surgery, it is often necessary to carry out direct operation to each tissue of human body Movement, especially positions such as soft tissue, bone, in daily teaching research, soft tissue and each position to human body Structure needs are well understood by, and as branch of medicine in broad sense, orthopaedics is branch important in department of general surgery, human skeleton It carries power the heaviest to contact, the analysis of intensity and different piece, supporting point stress to different skeleton densities, It can be studied to orthopaedics and bring parameter abundant, such as the bone of the experimental animal using different nutriments provisions scheme is carried out Comprehensive bone strength test, has a very important significance the research for improving skeleton intensity.

Generally in the research of department of general surgery, the test of skeletal structure intensity is referred from machinery field, to material surface Fatigue durability test is carried out, the individual events such as can be stretched, be bent, struck and squeezed to material and act on, and in some simulations In mechanical environment, individually squeeze or impact be can not accurate simulation reality situation, especially in the case where practical, Usually squeezing and strike for bone receiving is simultaneous, if shin bone is in bearing extraneous uninterrupted impact process, hits The process that stress point contact generally has an extruding is beaten, existing device can not be simulated well, reduce bone test Accuracy.

China Patent Publication No. is CN203811460U, and invention and created name is a kind of department of general surgery's organization structure of skeleton intensity Experimental rig has rectangular box, and electric rotation shaft is equipped in the inside casing of the rectangular box, and key connects on the electric rotation shaft It is equipped with outer gear sleeve, is equipped with inner gear housing, the central axis and internal tooth of the outer gear sleeve in the outside of the outer gear sleeve The central axis of wheel case is overlapped, and the external gear on each outer gear sleeve is corresponded in the internal tooth on every two inner gear housing Position between wheel is filled with polyurethane buffering foams, in the external gear between the outer gear sleeve and inner gear housing The outside of set is connected with disc cams by flat key, and the disc cams are located at the inside of the inside casing of rectangular box, and It is equipped between the framework of the inside casing of the lower end and rectangular box of the disc cams and squeezes rubber pad, in the rectangular box Upper/lower terminal is respectively equipped with upper connecting rod and lower connecting rod, fixing sleeve is slidably connected on the upper connecting rod, under described The bottom end of connecting rod is rotatably connected to weight, and horizontal limit pivot pin is equipped on the lower connecting rod being located above weight.But it is existing There is also can not be according to bone in the test for hammering and squeezing for some department of general surgery's organization structure of skeleton strength test devices Difference is adjusted, and protective device is lacked when hammering squeezes bone and is easy to happen bone damage and experimental rig inconvenience according to reality Border situation carries out position mobile the problem of adjusting.

Therefore, invention department of general surgery's organization structure of skeleton strength test device is very necessary.

Utility model content

In order to solve the above-mentioned technical problem, the utility model provides department of general surgery's organization structure of skeleton strength test device, with Solving existing department of general surgery's organization structure of skeleton strength test device, there is can not be according to bone in the test for hammering and squeezing The difference of bone is adjusted, and protective device is lacked when hammering squeezes bone and is easy to happen bone damage and experimental rig inconvenience root Position mobile the problem of adjusting is carried out according to actual conditions.Department of general surgery's organization structure of skeleton strength test device, including cylinder is squeezed, U-shaped fixing seat, column, cam, driving motor start switch, attachment base, fixing pipe, motion bar, baffle ring, buffer spring, support Seat, buffer it is anti-hurts extrusion head, can the mobile locking block structure in position, supporting leg and bone put test mobile station structure, described The upper end bolt for squeezing cylinder is mounted on the upper horizontal section middle position of U-shaped fixing seat, and the lower part of the extruding cylinder is passed through Wear middle position on the inside of the lower horizontal of U-shaped fixing seat；The lower part of the extruding cylinder and the lower horizontal of U-shaped fixing seat Section middle position is bolted setting；The vertical section of the U-shaped fixing seat is bolted the upper right side of column；The cam Key connection is on the output shaft of driving motor；The driving motor bolt is mounted on the rear surface middle position of column；It is described Driving motor output shaft run through column inside middle position；Described starts switch the front surface for being bolted to column Lower middle position；The attachment base cross bolts are mounted on the lower right side middle position of column；The fixing pipe is longitudinal The right end of left side welded connecting seat；The motion bar longitudinally runs through the inside middle position of fixing pipe；The baffle ring socket In the outer wall middle position of motion bar；The buffer spring is socketed in the outer lower side of motion bar；The column longitudinal bolt It is mounted on the upper left side middle position of support base；The motion bar longitudinally-moving runs through the inside middle position of support base；Institute The anti-lower end hurt extrusion head and be mounted on motion bar of buffering stated；The bone storing test mobile station structure passes through can position shifting Dynamic locking block structure is mounted on the lower part of support base；Bolt is mounted on the bottom four corners position of support base to the supporting leg respectively It sets；It includes L type Mobile base, fixture nut, conventional bearings, bone placement platform, tune that the bone, which puts test mobile station structure, Screw rod, handle, non-slip mat and fixing belt are saved, the fixture nut is embedded in left and right on the inside of the horizontal segment of L-type Mobile base respectively Two middle positions；The conventional bearings are embedded in the centre of inside of bone placement platform or so two respectively；The adjusting The longitudinal inside middle position for running through fixture nut of screw rod difference；The upper end of the adjusting screw rod is plugged on conventional bearings respectively Inside middle position；The handle is keyed respectively in the lower end of adjusting screw rod；The non-slip mat is laterally glued to bone The upper surface of bone placement platform；Longitudinal lower end screw is connected at left and right sides of the front surface of bone placement platform the fixing belt respectively And at left and right sides of the rear surface of bone placement platform.

Preferably, it is described can the mobile locking block structure in position include reticle, dial plate, line slide rail, U-shaped sliding block, Block and thumb screw, the reticle are from left to right successively portrayed on the front surface top of dial plate；The dial plate Cross screw is connected to the front surface top of line slide rail；The U-shaped sliding block sliding is connected to the outer wall lower part of line slide rail Left side；Longitudinal bolt is mounted at left and right sides of the lower part of line slide rail the block respectively；The thumb screw distinguishes spiral shell Line is connected to the junction of line slide rail and U-shaped sliding block.

Preferably, the anti-extrusion head of hurting of the buffering includes connection tube, mounting base, extrusion head main body, link block, arc panel And helical spring, the connection tube longitudinal measure is among the upper surface of mounting base；The mounting base cross bolts peace Mounted in the top of extrusion head main body；The link block is glued to respectively at left and right sides of the lower part of extrusion head main body；The arc Shape plate bolt is connected to the lower part between link block；Helical spring one end screw is connected to the lower part of extrusion head main body Middle position, other end screw are connected to the inside middle position of arc panel.

Preferably, the baffle ring is placed in the top of buffer spring, and the buffer spring is placed between baffle ring and support base, institute Setting is welded between the motion bar and baffle ring stated.

Preferably, the lower end of extruding cylinder output rod and the upper end face of motion bar are equipped with.

Preferably, the upper end of the cam and motion bar is in close contact setting.

Preferably, the buffer spring specifically uses cylindrical stainless steel spring.

Preferably, the non-slip mat specifically uses rubber pad, and there are four the fixing belt settings；The fixing belt Drawstring is specifically stretched using nylon.

Preferably, the inner ring of the outer wall of the adjusting screw rod and conventional bearings interference fit setting, the fixation spiral shell Setting is threadedly coupled between female and adjusting screw rod.

Preferably, the reticle specifically use measurement unit for centimetre graduation mark, the left side of the reticle Starting end has portrayed zero graduation, and the dial plate specifically uses PVC plastic plate.

Preferably, the line slide rail cross bolts are mounted on the lower left side of support base.

Preferably, the link block specifically uses square rubber block, and there are two the link block settings, described Arc panel specifically uses arc rubber slab.

Preferably, the extrusion head main body specifically uses hemispherical Rubber end.

Preferably, the front surface upper middle position of the connection tube offers mounting hole.

Preferably, the connection tube is socketed in the outer wall lower part of motion bar；In between the connection tube and motion bar Hex bolts connection setting.

Preferably, the vertical section upper end bolt of the L-type Mobile base is mounted on the lower end middle position of U-shaped sliding block.

Compared with prior art, the utility model has the following beneficial effects:

1. in the utility model, the L-type Mobile base, fixture nut, conventional bearings, bone placement platform, adjusting screw rod With the setting of handle, be conducive to the height and position that bone to be detected is adjusted according to test demand, guarantee the accuracy of detection.

2. in the utility model, the setting of the non-slip mat and fixing belt is conducive to firm fix bone to be detected Bone, while playing the role of anti-skidding.

3. in the utility model, the line slide rail, U-shaped sliding block, the setting of block and thumb screw is conducive to basis Test demand carries out position of the U-shaped sliding block of slidable adjustment on line slide rail, to guarantee the shift position of L-type Mobile base, in turn Guarantee the mobile demand in position.

4. in the utility model, the setting of the reticle and dial plate is conducive to the movement for accurately determining U-shaped sliding block Position guarantees the extruding Hammering Test work of each position.

5. in the utility model, the connection tube, mounting base, extrusion head main body, link block, arc panel and cylindrical bullet The setting of spring is conducive to play a good protective effect when hammering squeezes work, to guarantee to hammer when squeezing bone Safety.

6. in the utility model, the setting of the extruding cylinder and U-shaped fixing seat is conducive to cooperate fixing pipe, activity Bar, baffle ring and buffer spring realize the extruding work of skeletal tissue, to guarantee going on smoothly for bone proof strength.

7. in the utility model, the setting of the cam and driving motor is conducive to cooperate fixing pipe, motion bar, gear Ring and buffer spring realize the hammering work of skeletal tissue, to guarantee going on smoothly for bone proof strength.

8. in the utility model, the fixing pipe, motion bar, the setting of baffle ring and buffer spring is conducive to push back automatically Motion bar, guarantee test demand.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is that the bone of the utility model puts the structural schematic diagram of test mobile station structure.

Fig. 3 be the utility model can the mobile locking block structure in position structural schematic diagram.

Fig. 4 is the anti-structural schematic diagram for hurting extrusion head of buffering of the utility model.

In figure:

1, cylinder is squeezed；2, U-shaped fixing seat；3, column；4, cam；5, driving motor；6, it starts switch；7, attachment base； 8, fixing pipe；9, motion bar；10, baffle ring；11, buffer spring；12, support base；13, buffering is anti-hurts extrusion head；131, connection tube； 132, mounting base；133, extrusion head main body；134, link block；135, arc panel；136, helical spring；It 14, can position movement Lock block structure；141, reticle；142, dial plate；143, line slide rail；144, U-shaped sliding block；145, block；146, wing Screw；15, supporting leg；16, bone puts test mobile station structure；161, L-type Mobile base；162, fixture nut；163, conventional Bearing；164, bone placement platform；165, adjusting screw rod；166, handle；167, non-slip mat；168, fixing belt.

Specific embodiment

The utility model is specifically described with reference to the accompanying drawing, as shown in attached drawing 1 and attached drawing 2, department of general surgery's bone group Stryctyrak test device is knitted, including extruding cylinder 1, U-shaped fixing seat 2, column 3, cam 4, driving motor 5 start switch 6, Attachment base 7, fixing pipe 8, motion bar 9, baffle ring 10, buffer spring 11, support base 12, buffering is anti-to hurt extrusion head 13, can position movement Block structure 14 is locked, supporting leg 15 and bone put test mobile station structure 16, the upper end bolt installation of the extruding cylinder 1 In the upper horizontal section middle position of U-shaped fixing seat 2, the lower part water of U-shaped fixing seat 2 is run through in the lower part of the extruding cylinder 1 Middle position on the inside of flat section；The lower part of extruding cylinder 1 and the lower horizontal middle position bolt of U-shaped fixing seat 2 connects Connect setting；The vertical section of the U-shaped fixing seat 2 is bolted the upper right side of column 3；The key connection of cam 4 is driving On the output shaft of motor 5；5 bolt of driving motor is mounted on the rear surface middle position of column 3；The driving motor 5 output shaft runs through the inside middle position of column 3；It is described to start switch 6 and be bolted in the front surface lower part of column 3 Between position；7 cross bolts of attachment base are mounted on the lower right side middle position of column 3；The longitudinal left side of the fixing pipe 8 It is welded to connect the right end of seat 7；The longitudinal inside middle position for running through fixing pipe 8 of the motion bar 9；The baffle ring 10 is socketed In the outer wall middle position of motion bar 9；The buffer spring 11 is socketed in the outer lower side of motion bar 9；The column 3 is longitudinal Bolt is mounted on the upper left side middle position of support base 12；9 longitudinally-moving of motion bar is in the inside of support base 12 Between position；The anti-lower end hurt extrusion head 13 and be mounted on motion bar 9 of buffering；The bone puts test mobile station structure 16 by can the mobile locking block structure 14 in position be mounted on the lower part of support base 12；Bolt is mounted on the supporting leg 15 respectively The bottom four corners position of support base 12；It includes L-type Mobile base 161 that the bone, which puts test mobile station structure 16, fixed spiral shell Mother 162, conventional bearings 163, bone placement platform 164, adjusting screw rod 165, handle 166, non-slip mat 167 and fixing belt 168, it is described Fixture nut 162 be embedded in two middle positions in left and right on the inside of the horizontal segment of L-type Mobile base 161 respectively；The conventional shaft Hold the centre of inside that 163 are embedded in bone placement platform 164 respectively or so two；The adjusting screw rod 165 is longitudinal respectively to be run through The inside middle position of fixture nut 162；The upper end of the adjusting screw rod 165 is plugged on the inside of conventional bearings 163 respectively Middle position；The handle 166 is keyed respectively in the lower end of adjusting screw rod 165；The non-slip mat 167 is laterally glued In the upper surface of bone placement platform 164；Longitudinal lower end screw is connected to bone placement platform 164 to the fixing belt 168 respectively At left and right sides of front surface and at left and right sides of the rear surface of bone placement platform 164, sample to be tested bone is passed through into non-slip mat 167 It is seated in 164 top of bone placement platform, is fixed by fixing belt 168, turn handle 166 is carried out according to test demand and adjusts tune It saves position of the screw rod 165 in fixture nut 162 to stop rotating after determining specific testing position, it is ensured that hammering and squeezing Test in carry out bone site adjust work.

In the present embodiment, in conjunction with shown in attached drawing 3, it is described can the mobile locking block structure 14 in position include reticle 141, dial plate 142, line slide rail 143, U-shaped sliding block 144, block 145 and thumb screw 146, the reticle 141 is from a left side It successively portrays to the right side on the front surface top of dial plate 142；142 cross screw of dial plate is connected to line slide rail 143 Front surface top；The U-shaped sliding block 144 slides the outer wall lower left side for being connected to line slide rail 143；The block 145 respectively longitudinal bolt be mounted at left and right sides of the lower part of line slide rail 143；The thumb screw 146 is threadedly coupled respectively Wing spiral shell can be loosened in the junction of line slide rail 143 and U-shaped sliding block 144 for the different adjustment of guarantee test position Nail 146, slides position of the U-shaped sliding block 144 on line slide rail 143, can determine shift position according to reticle 141, determine position It postpones, locks thumb screw 146, the position that position adjusts L-type Mobile base 161 can be carried out according to the actual situation, guarantee examination Test accuracy.

In the present embodiment, in conjunction with shown in attached drawing 4, the anti-extrusion head 13 of hurting of the buffering includes connection tube 131, mounting base 132, extrusion head main body 133, link block 134, arc panel 135 and helical spring 136,131 longitudinal measure of connection tube Among the upper surface of mounting base 132；132 cross bolts of mounting base are mounted on the top of extrusion head main body 133；It is described Link block 134 be glued at left and right sides of the lower part of extrusion head main body 133 respectively；135 screw of arc panel is connected to Connect the lower part between block 134；136 one end screw of helical spring is connected to the lower part interposition of extrusion head main body 133 It sets, other end screw is connected to the inside middle position of arc panel 135, in order to avoid in test, extruding or hammer force are spent Bone is wounded greatly, in test bone can be played well by arc panel 135 and 136 mating connection block 134 of helical spring Protective effect, avoid bone of directly wounding, when extruding, by the rotation of cam 4 to rear portion, 6 started switch, so that extruding gas Cylinder 1 acts, so that output rod is contacted with motion bar 9, so that motion bar 9 moves down, so that extrusion head main body 133 constantly passes through arc Shape plate 135 squeezes bone, guarantee test accuracy；When hammering, by starting switch 6, so that 5 band of driving motor Moving cam 4 rotates, and constantly hammers motion bar 9 and moves in fixing pipe 8, while constantly sending motion bar 9 back to via buffer spring 11, It realizes hammering work, while constantly bone is hammered via arc panel 135 by extrusion head main body 133, realize bone examination The hammering work tested, with going on smoothly for guarantee test.

Working principle

In the utility model, sample to be tested bone is seated in 164 top of bone placement platform by non-slip mat 167, is led to It crosses fixing belt 168 to fix, turn handle 166 is carried out according to test demand and adjusts adjusting screw rod 165 in fixture nut 162 Position stop rotating after determining specific testing position, it is ensured that in the test for hammering and squeezing carry out bone site adjusting Work, for the different adjustment of guarantee test position, can loosen thumb screw 146, slide U-shaped sliding block 144 in line slide rail Position on 143 can determine shift position according to reticle 141, after determining position, lock thumb screw 146, can basis Actual conditions carry out position adjust L-type Mobile base 161 position, guarantee test accuracy, in order to avoid test when squeeze or Person's hammer force degree is excessive to wound bone, can be right by arc panel 135 and 136 mating connection block 134 of helical spring in test Bone plays a good protective effect, and avoids bone of directly wounding, and when extruding, cam 4 is rotated to rear portion, starting starts switch 6, it is acted so as to squeeze cylinder 1, so that output rod is contacted with motion bar 9, so that motion bar 9 moves down, so that extrusion head main body 133 Constantly bone is squeezed by arc panel 135, guarantee test accuracy；When hammering, by starting switch 6, so that Driving motor 5 is rotated with moving cam 4, is constantly hammered motion bar 9 and is moved in fixing pipe 8, while constantly will via buffer spring 11 Motion bar 9 is sent back to, realizes hammering work, while constantly hammering into shape via arc panel 135 to bone by extrusion head main body 133 It hits, the hammering work of bone test is realized, with going on smoothly for guarantee test.

Using technical solution described in the utility model or those skilled in the art in technical solutions of the utility model Under inspiration, similar technical solution is designed, and reaches above-mentioned technical effect, is the protection model for falling into the utility model It encloses.

Claims (10)

1. department of general surgery's organization structure of skeleton strength test device, which is characterized in that department of general surgery's organization structure of skeleton strength test Device includes squeezing cylinder (1), U-shaped fixing seat (2), column (3), cam (4), and driving motor (5) starts switch (6), is connected Seat (7), fixing pipe (8), motion bar (9), baffle ring (10), buffer spring (11), support base (12), buffering is anti-to hurt extrusion head (13), Can mobile locking block structure (14) in position, supporting leg (15) and bone put and test mobile station structure (16), the extruding gas The upper end bolt of cylinder (1) is mounted on the upper horizontal section middle position of U-shaped fixing seat (2), the lower part of the extruding cylinder (1) The middle position on the inside of the lower horizontal of U-shaped fixing seat (2)；The lower part of the extruding cylinder (1) and U-shaped fixing seat (2) lower horizontal middle position is bolted setting；The vertical section of the U-shaped fixing seat (2) is bolted column (3) Upper right side；The cam (4) is keyed on the output shaft of driving motor (5)；Driving motor (5) the bolt installation In the rear surface middle position of column (3)；The output shaft of the driving motor (5) runs through the inside middle position of column (3)； The front surface lower middle position for starting switch (6) and being bolted to column (3)；The lateral spiral shell of the attachment base (7) Bolt is mounted on the lower right side middle position of column (3)；The longitudinal left side of the fixing pipe (8) is welded to connect the right end of seat (7)；Institute The motion bar (9) stated longitudinally runs through the inside middle position of fixing pipe (8)；The baffle ring (10) is socketed in motion bar (9) Outer wall middle position；The buffer spring (11) is socketed in the outer lower side of motion bar (9)；Described column (3) longitudinal bolt It is mounted on the upper left side middle position of support base (12)；Motion bar (9) longitudinally-moving runs through the inside of support base (12) Middle position；The anti-lower end hurt extrusion head (13) and be mounted on motion bar (9) of the buffering；The bone puts test movement Platform structure (16) passes through can the mobile lower part for locking block structure (14) and being mounted on support base (12) in position；The supporting leg (15) Bolt is mounted on the bottom four corners position of support base (12) respectively；It includes L that the bone, which puts test mobile station structure (16), Type Mobile base (161), fixture nut (162), conventional bearings (163), bone placement platform (164), adjusting screw rod (165), handle (166), non-slip mat (167) and fixing belt (168), the fixture nut (162) are embedded in L-type Mobile base (161) respectively Two middle positions in left and right on the inside of horizontal segment；The conventional bearings (163) are embedded in the inside of bone placement platform (164) respectively Two centres in left and right；The longitudinal inside middle position for running through fixture nut (162) of adjusting screw rod (165) difference；It is described The upper end of adjusting screw rod (165) be plugged on the inside middle positions of conventional bearings (163) respectively；The handle (166) point It Jian Lianjie not be in the lower end of adjusting screw rod (165)；The non-slip mat (167) is laterally glued to the upper of bone placement platform (164) Surface；The fixing belt (168) respectively longitudinal lower end screw be connected at left and right sides of the front surface of bone placement platform (164) with And at left and right sides of the rear surface of bone placement platform (164).

2. department of general surgery's organization structure of skeleton strength test device as described in claim 1, which is characterized in that described can position Mobile locking block structure (14) includes reticle (141), dial plate (142), line slide rail (143), U-shaped sliding block (144), block (145) it is from left to right successively portrayed on the front surface of dial plate (142) with thumb screw (146), the reticle (141) Portion；Described dial plate (142) cross screw is connected to the front surface top of line slide rail (143)；The U-shaped sliding block (144) sliding is connected to the outer wall lower left side of line slide rail (143)；Longitudinal bolt is mounted on the block (145) respectively At left and right sides of the lower part of line slide rail (143)；The thumb screw (146) is threaded in line slide rail (143) and U respectively The junction of type sliding block (144).

3. department of general surgery's organization structure of skeleton strength test device as described in claim 1, which is characterized in that the buffering is anti- Hurting extrusion head (13) includes connection tube (131), mounting base (132), extrusion head main body (133), link block (134), arc panel (135) and helical spring (136), the connection tube (131) longitudinal measure is among the upper surface of mounting base (132)；Institute Mounting base (132) cross bolts stated are mounted on the top of extrusion head main body (133)；The link block (134) is glued respectively At left and right sides of the lower part of extrusion head main body (133)；Described arc panel (135) screw is connected between link block (134) Lower part；Helical spring (136) one end screw is connected to the lower middle position of extrusion head main body (133), the other end Screw is connected to the inside middle position of arc panel (135).

4. department of general surgery's organization structure of skeleton strength test device as described in claim 1, which is characterized in that the baffle ring (10) it is placed in the top of buffer spring (11), the buffer spring (11) is placed between baffle ring (10) and support base (12), described Setting is welded between motion bar (9) and baffle ring (10).

5. department of general surgery's organization structure of skeleton strength test device as described in claim 1, which is characterized in that the extruding gas The lower end of cylinder (1) output rod and the upper end face of motion bar (9) are equipped with.

6. department of general surgery's organization structure of skeleton strength test device as described in claim 1, which is characterized in that the cam (4) and the upper end of motion bar (9) is in close contact setting.

7. department of general surgery's organization structure of skeleton strength test device as described in claim 1, which is characterized in that the buffer spring (11) specific using cylindrical stainless steel spring.

8. department of general surgery's organization structure of skeleton strength test device as described in claim 1, which is characterized in that the non-slip mat (167) rubber pad is specifically used, there are four the fixing belt (168) settings；The fixing belt (168) specifically uses nylon Stretch drawstring.

9. department of general surgery's organization structure of skeleton strength test device as described in claim 1, which is characterized in that the adjusting spiral shell The outer wall of bar (165) and the inner ring of conventional bearings (163) are interference fitted setting, the fixture nut (162) and adjusting screw rod (165) setting is threadedly coupled between.

10. department of general surgery's organization structure of skeleton strength test device as claimed in claim 2, which is characterized in that the scale Line (141) specifically use measurement unit for centimetre graduation mark, the left side starting end of the reticle (141) portrayed for zero quarter Degree, the dial plate (142) specifically use PVC plastic flitch.