CN206151530U

CN206151530U - Core intercepting device

Info

Publication number: CN206151530U
Application number: CN201620904982.1U
Authority: CN
Inventors: 董谢平
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-08-19
Filing date: 2016-08-19
Publication date: 2017-05-10
Anticipated expiration: 2026-08-19

Abstract

The utility model provides a core intercepting device, includes the adapter sleeve, connects driving stem, the crochet hook section of thick bamboo of upper end grafting in the adapter sleeve and the cutting hook of connection on -hook cylinder one side on the adapter sleeve, a crochet hook section of thick bamboo is cylindrically barrel -shaped structure, vertical division of opening that has a logical length on its lateral wall, the upper end of a crochet hook section of thick bamboo can dismantle with the adapter sleeve be connected, lower extreme one side is perpendicular the opening is equipped with the arc wall. The utility model provides a current held coring device when the core is got to non - penetrability, because of can't complete problem of taking out the core bottom the core that can not intersect, can extensively be used for fields such as machinery, building, geology, scientific investigation, materials processing, medical instrument.

Description

A kind of core capture device

Technical field

The utility model is related to the fields such as machinery, building, geology, scientific investigation, materials processing, medicine equipment, particularly a kind of Core capture device.

Background technology

Trepan is commonly used in clinical treatment work and intercepts cancellous bone or Pathologic specimen for transplanting, but trepan is because can not cross-section core Material substrate, usually has nothing at all when core is extracted, or to be broken into core several sections of, even trepan of the inwall with shallow thread line Core cannot also completely taken out with trepan, the quality of coring material so as to affect；In addition, also Jing in production, life and scientific research Often need to intercept complete wick-like material for research and apply, but traditional ring-type is bored saw and is equally existed and can only block periphery and nothing Method blocks the phenomenon of substrate.

Utility model content

The purpose of this utility model is to provide a kind of core capture device, to solve existing apparatus in non-penetrative coring mistake In journey cannot cross-section core bottom and be difficult to completely take out the situation of core, especially solve in medical field due to cannot be cross-section Bone core substrate and make the problem that bone core cannot completely take out.

For achieving the above object, the utility model is adopted the following technical scheme that：

A kind of core capture device, including adapter sleeve, the power rail being connected on adapter sleeve, upper end be plugged in adapter sleeve Crochet hook cylinder and be connected to the cutting hook of crochet hook cylinder side, the crochet hook cylinder is cylindrical barrel structure, vertical on its side wall It is provided with an elongated opening, the upper end of the crochet hook cylinder is detachably connected with adapter sleeve, the vertical opening in lower end side is provided with Deep-slotted chip breaker, the lower surface of the crochet hook cylinder is circumferentially provided with sawtooth.

Preferably, adjacent saw-tooth is staggered front to back setting on the crochet hook cylinder.

Preferably, sawtooth is inclined in ratchet-like setting to same direction on the crochet hook cylinder.

Preferably, the upper end of the crochet hook cylinder is inserted adapter sleeve end and is fastened by securing member, crochet hook cylinder upper port edge Ring uniform intervals are provided with the through hole through securing member.

Preferably, the cutting hook includes the neck of hook being fastened in adapter sleeve, sequentially passes through adapter sleeve and hook barrel sidewall The connecting rod of opening and the bill being fastened in the deep-slotted chip breaker of the crochet hook cylinder lower end；The main body of bill is in circular arc, end Barb-like cutting edge, the main body bending radian of the bill is consistent with deep-slotted chip breaker.

Preferably, tangent line of the main body of the cutting hook bill at the tie point with connecting rod is vertical with the neck of hook.

Preferably, the barrel section of the opening both sides in the hook barrel sidewall is the circular cross-section with the connecting rod of cutting hook The arcwall face for agreeing with, its radian is consistent with the outer wall circular arc of the connecting rod of cutting hook.

Preferably, the adapter sleeve is infundibulate tubular structure, by the epimere of tubular, the linkage section of cone barrel and column casing The hypomere composition of shape.

Preferably, be symmetrically provided with a pair of bolts hole on the epimere side wall of the adapter sleeve, be provided with the bolt hole for Be rotatably connected the bolt of set.

Preferably, the opening side of the port medial surface correspondence crochet hook cylinder of the epimere of the adapter sleeve is provided with one group for blocking The draw-in groove of the cutting hook neck of hook is closed, angle is 10 °～25 ° between the draw-in groove.

Preferably, the neck of hook, bill are that when the neck of hook is sticked in initial draw-in groove, bill hides with the position relationship of one group of draw-in groove In the deep-slotted chip breaker of crochet hook cylinder lower end；When the neck of hook is sticked in the second draw-in groove, bill is rotated into connecting rod as axle into crochet hook cylinder A little；The like, when the neck of hook is sticked in final draw-in groove, bill is rotated to crochet hook cylinder axle center.

Preferably, the adapter sleeve is connected by securing member with crochet hook cylinder, between the hypomere of the adapter sleeve is circumferentially uniform Separating has connecting hole horizontal, through securing member；On the side wall of hypomere, the aperture position of correspondence crochet hook cylinder be vertically provided with through The groove of cutting hook；The lower port of hypomere is circumferentially provided with the cannelure of insertion crochet hook cylinder, the width and crochet hook of the cannelure The wall thickness of cylinder is adapted.

Preferably, the inwall threaded upper ends of adapter sleeve hypomere are connected with power rail, and the power rail is by motor or other provinces Power apparatus drive.

Compared with prior art the utility model has the characteristics that and beneficial effect：It is to intercept bone core in medical field Example, the utility model can overcome traditional osteotomy device cannot cross-section bone core substrate and the shortcoming that makes bone core completely to take out. The bill of cutting hook is cross-section by bone core substrate before bone core is extracted, so that bone core can completely take out；Simultaneously bill is in bone Core also there is support to act on bone core when proposing, facilitate the proposition of bone core；Cutting hook is fastened on successively connection by the operation neck of hook Simultaneously rotary hook syringe is capable of achieving to the cross-section of bone core substrate in the one group of draw-in groove for putting, simple to operate, easy to use；The hook The sawtooth of syringe lower surface is crisscross arranged, and improves the sawing efficiency of crochet hook cylinder.

The utility model can be widely applied to the fields such as machinery, building, geology, scientific investigation, materials processing, medicine equipment to thing The intercepting of body core and the preparation of cylindrical objects etc..

Description of the drawings

Below in conjunction with the accompanying drawings the utility model is described in more detail.

Fig. 1 is facade structures schematic diagram of the present utility model.

Fig. 2 is planar structure schematic diagram of the present utility model.

Fig. 3 is the facade structures schematic diagram of adapter sleeve.

Fig. 4 is the planar structure schematic diagram of adapter sleeve.

Fig. 5 is the facade structures schematic diagram of crochet hook cylinder.

Fig. 6 is the structural representation of A-A sections in Fig. 5.

Fig. 7 is the structural representation of B-B sections in Fig. 5.

Fig. 8 is the facade structures schematic diagram for cutting hook.

Fig. 9 is the planar structure schematic diagram for cutting hook.

Figure 10 is the structural representation of power rail.

Reference：1- crochet hook cylinders, 2- adapter sleeves, 3- cutting hooks, 4- power rails.

Specific embodiment

Embodiment referring to shown in Fig. 1 and Fig. 2, a kind of core capture device, including adapter sleeve 2, be connected on adapter sleeve Crochet hook cylinder 1 that power rail 4, upper end is plugged in adapter sleeve 2 and the cutting hook 3 for being connected to the side of crochet hook cylinder 1, the crochet hook cylinder 1 is cylindrical barrel structure, and an elongated opening is vertically provided with its side wall, and the upper end of the crochet hook cylinder 1 is removable with adapter sleeve 2 Unload connection, the vertical opening in lower end side and be provided with deep-slotted chip breaker.

Referring to shown in Fig. 8 and Fig. 9, the cutting hook 3 includes the neck of hook being fastened in adapter sleeve 2, sequentially passes through adapter sleeve 2 With the connecting rod of the sidewall opening of crochet hook cylinder 1 and the bill being fastened in the deep-slotted chip breaker of the lower end of crochet hook cylinder 1；The neck of hook and hook Respectively positioned at the upper/lower terminal of connecting rod, the main body of bill is barb-like cutting edge in circular arc, end to point, the bill Main body bending radian is consistent with deep-slotted chip breaker, and the Breadth Maximum of the bill is consistent with the wall thickness of crochet hook cylinder 1, when the neck of hook is located at initially During draw-in groove, bill is hidden completely in deep-slotted chip breaker；The tangent line of the main body at the tie point with connecting rod of the cutting hook bill with The neck of hook is vertical.

Referring to shown in Fig. 3 and Fig. 4, the adapter sleeve 2 is infundibulate tubular structure, by the epimere of tubular, cone barrel The hypomere composition of linkage section and tubular, makes the neck of hook to producing certain elastic pressure between the inwall of adapter sleeve 2, it is easy to neck of hook card Close on draw-in groove；The opening side of the corresponding crochet hook cylinder 1 in port inner side of the epimere of the adapter sleeve 2 is provided with one group and cuts for engaging The draw-in groove of the neck of hook of cutting hook 3, wherein the set location of initial draw-in groove is the bill for cutting hook 3 hides completely arc in crochet hook cylinder 1 Position corresponding to the neck of hook on adapter sleeve 2 when in groove, angle is less than 90 ° between final draw-in groove and initial draw-in groove, is meeting the material of adapter sleeve 2 In the case of material intensity, should try one's best the angle reduced between draw-in groove, and the quantity that draw-in groove is arranged is more, in rotation core capture device When, the resistance that bill cutting is subject to is less, easier enforcement, and draw-in groove edge on adapter sleeve epimere port is counterclockwise in the present embodiment Direction is arranged, and certainly in other embodiments draw-in groove also can be arranged along clockwise direction, and deep-slotted chip breaker sets on corresponding crochet hook cylinder Seated position, when using core capture device direction of rotation also accordingly with setting direction in the present embodiment conversely, one group is four Above draw-in groove, when the neck of hook is fastened on initial draw-in groove, the bill for cutting hook 3 is hidden completely in the deep-slotted chip breaker of crochet hook cylinder 1, the neck of hook When being fastened on the second draw-in groove, cut the bill of hook 3 with connecting rod as axial crochet hook cylinder in be rotated into it is a little；Precession Assurance of Size hook Resistance during syringe cutting material core substrate is minimum, be difficult stuck or damage cutting hook, and can cut out one ring in core substrate Shape otch, when the neck of hook is fastened on the 3rd draw-in groove, cutting the bill of hook 3, to continue into crochet hook cylinder precession a little, to core substrate Cut, when the neck of hook is fastened on final draw-in groove, the bill for cutting hook 3 continues to proceed to the axle center of crochet hook cylinder to crochet hook cylinder inward turning Position；Angle is 10 °～25 ° between adjacent draw-in groove；A pair of bolts hole is symmetrically provided with the epimere side wall of the adapter sleeve 2, it is described It is provided with bolt hole for the bolt of the set 2 that is rotatably connected, the adapter sleeve 2 is connected by securing member with crochet hook cylinder 1, the connection Circumferentially uniform intervals are provided with connecting hole horizontal, through securing member to the hypomere of set 2；On the side wall of hypomere, correspond to crochet hook cylinder 1 Aperture position be vertically provided with through cutting hook 3 groove；The lower port of hypomere is circumferentially provided with the annular of insertion crochet hook cylinder 1 Groove, the width of the cannelure is adapted with the wall thickness of crochet hook cylinder 1；The adapter sleeve hypomere middle part is additionally provided with connection power rail Through hole, the through hole is tapped through hole, and is threaded with power rail 4, and the power rail 4 is driven by motor or other work-saving devices Dynamic, the power rail 4 is rigidity or flexible straight-bar, and upper end can be provided with the draw-in groove with drill chuck clamping, and lower end is and adapter sleeve The thread segment of the tapped through hole connection of hypomere.

Referring to shown in Fig. 5, Fig. 6 and Fig. 7, the barrel section of the opening both sides on the side wall of the crochet hook cylinder 1 is and cutting hook 3 Connecting rod the arcwall face that agrees with of circular cross-section, its radian is consistent with the outer wall circular arc of the connecting rod of cutting hook 3, enables connecting rod firm Solid be fastened on crochet hook cylinder 1, prevent connecting rod from ejecting the opening on crochet hook cylinder 1；The upper end insertion adapter sleeve 2 of the crochet hook cylinder 1 In the cannelure of end, circumferentially uniform intervals are provided with the through hole through securing member to the upper port of crochet hook cylinder 1, under the crochet hook cylinder 1 End face is circumferentially provided with sawtooth, and the adjacent saw-tooth is staggered front to back setting or inclines to same direction and arranges in ratchet-like.

Using method of the present utility model, by taking neck of femur coring as an example：Patient lies on the back, thick greatly in upper lap lateral femur The longitudinal incision of a several centimeters is done under grand, appears cortex of bone, from greater trochanter substrate nearby along neck of femur to caput femoris necrosis stove center One piece of guide pin is pierced, positive side position perspective confirms that its is placed in the middle；A piece core drill is inserted in into guide pin, bonehew cortex is bored, then by one Footpath is equal to core drill external diameter, external diameter and is inserted in core drill equal to the core capture device guide rod of core capture device crochet hook cylinder internal diameter； First the neck of hook of cutting hook 3 is fastened in the initial draw-in groove on adapter sleeve 2, bill is hidden in the deep-slotted chip breaker of crochet hook cylinder 1, connect And enter the crochet hook jacket casing of core capture device in core capture device guide rod, rotating core capture device can be at neck of femur Cut out circular passage；To increase power, power rail can be connected in core capture device upper end, drive core to intercept dress with electric drill Put rotation to be cut.

Determined after the cutting in place of core capture device by scale and image monitoring, rotate counterclockwise cutting hook 3 and by hook Handle is fastened in the second draw-in groove, and now bill is a little to precession in crochet hook cylinder 1, is held adapter sleeve 2 and is turned clockwise core intercepting Device one week, you can cut out one annular incision in core substrate, repeats said process, and the neck of hook to cutting hook 3 is fastened on In final draw-in groove on adapter sleeve 2 and hold adapter sleeve 2 and turn clockwise core capture device one week, bone core substrate is cut completely Disconnected, now bill is located at Gu Xin centers, takes out core capture device, and bone core just can completely take out under the support of cutting hook 3, A circular passage is also formed in neck of femur, capital decompression had both been realized, is opened again and caput femoris necrosis stove is scraped Except the path of, bone grafting.

The utility model can be widely applied in medical field pillars in the field such as the intercepting of core or machinery, building Intercepting of body etc., for example, can also be applied to the intercepting of the objects such as rubber, rubber even concrete, as long as similar characteristics Core can be intercepted using the utility model.

The neck of hook, bill are with the position relationship of one group of draw-in groove, and when the neck of hook is sticked in initial draw-in groove, bill is hidden in crochet hook cylinder In the deep-slotted chip breaker of lower end；When the neck of hook is sticked in the second draw-in groove, bill is rotated out of a little with connecting rod as axle into crochet hook cylinder；According to Secondary to analogize, when the neck of hook is sticked in final draw-in groove, bill is rotated to crochet hook cylinder axle center.

Before core capture device dispatches from the factory, because being provided with elongated opening in hook barrel sidewall, the sawtooth of crochet hook cylinder lower end is present Breach, is polishing breach, need to be after cutting hook is completed again with the hook barrel sidewall below sawtooth fragment closed arc groove One section opening, it is ensured that the complete loop structures of sawtooth.

Using method is essentially identical, and step is：

Step one, the neck of hook of cutting hook is fastened in the initial draw-in groove on adapter sleeve, and bill is hidden in deep-slotted chip breaker It is interior.

Step 2, manually or the upper power rail Motor drive of connection or the upper power rail of connection are with other work-saving devices driving hooks Syringe cuts core to desired depth.

Step 3, rotary cutting cutting hook is simultaneously fastened on the neck of hook in the second draw-in groove.

Step 4, reversely rotates core capture device one week, carries out shallow-layer loop-hook to core substrate and cuts.

Step 5, repeat step three to step 4 gradually deepens the cutting to core substrate, to the neck of hook engaging of cutting hook In final draw-in groove on adapter sleeve and reversely rotate core capture device one week, make core substrate detachment.

Step 6, keeps the neck of hook to be sticked in the state in final draw-in groove, makes bill hold core substrate, takes out core and intercepts Device.

Step 7, the neck of hook is sticked in initial draw-in groove, bill is hidden again in crochet hook cylinder deep-slotted chip breaker, then is dismantled solid Determine the securing member of adapter sleeve and crochet hook cylinder, ejected core with the bar for being slightly less than crochet hook cylinder internal diameter, complete to use.

If reversely referring to groove position in the step 4 and step 5 is conversely, i.e. draw-in groove and bill is corresponding is located at The clockwise direction of the neck of hook, then rotate counterclockwise, make bill by hook cut rather than vertex cut in the way of annular carried out to core substrate cut Cut, to reduce Cutting Drag, make cutting smooth and reduce failure with parts loss；Vice versa, if draw-in groove is corresponding with bill Positioned at the counter clockwise direction of the neck of hook, then turn clockwise.

Claims

1. a kind of core capture device, it is characterised in that：Including adapter sleeve（2）, the power rail being connected on adapter sleeve（4）, on End is plugged on adapter sleeve（2）Interior crochet hook cylinder（1）And it is connected to crochet hook cylinder（1）The cutting hook of side（3）, the crochet hook cylinder （1）For cylindrical barrel structure, an elongated opening, the crochet hook cylinder are vertically provided with its side wall（1）Upper end and adapter sleeve （2）It is detachably connected, the vertical opening in lower end side is provided with deep-slotted chip breaker, the crochet hook cylinder（1）Lower surface be circumferentially provided with Sawtooth.

2. core capture device according to claim 1, it is characterised in that：The crochet hook cylinder（1）Before and after upper adjacent saw-tooth It is crisscross arranged.

3. core capture device according to claim 1, it is characterised in that：The crochet hook cylinder（1）Upper end insertion connection Set end is simultaneously fastened by securing member, and circumferentially uniform intervals are provided with the through hole through securing member to crochet hook cylinder upper port.

4. core capture device according to claim 1, it is characterised in that：The cutting hook（3）Including being fastened on connection The neck of hook in set, the connecting rod for sequentially passing through adapter sleeve and crochet hook cylinder sidewall opening and the arc for being fastened on the crochet hook cylinder lower end Bill in groove；

The main body of bill is barb-like cutting edge, the main body bending radian of the bill and deep-slotted chip breaker one in circular arc, end Cause.

5. core capture device according to claim 4, it is characterised in that：The cutting hook（3）The main body of bill with Tangent line at the tie point of connecting rod is vertical with the neck of hook.

6. core capture device according to claim 1, it is characterised in that：The crochet hook cylinder（1）Opening two on the wall of side The barrel section of side is the outer wall of the connecting rod of the arcwall face agreed with the circular cross-section of the connecting rod of cutting hook, its radian and cutting hook Circular arc is consistent.

7. the core capture device according to claim 5 or 6, it is characterised in that：The adapter sleeve（2）For infundibulate tubular Structure, is made up of the hypomere of the epimere of tubular, the linkage section of cone barrel and tubular.

8. core capture device according to claim 7, it is characterised in that：The adapter sleeve（2）Epimere port in The opening side of side correspondence crochet hook cylinder be provided with one group for engaging cut the draw-in groove of the hook neck of hook, angle is 10 ° between the draw-in groove ～25 °；

The adapter sleeve（2）Epimere side wall on be symmetrically provided with a pair of bolts hole, be provided with the bolt hole for being rotatably connected The bolt of set.

9. core capture device according to claim 8, it is characterised in that：The adapter sleeve（2）Hypomere it is circumferentially equal Even interval is provided with connecting hole horizontal, through securing member；

On the side wall of hypomere, correspondingly the aperture position of crochet hook cylinder is vertically provided with the groove through cutting hook；

The lower port of hypomere is circumferentially provided with the cannelure of insertion crochet hook cylinder, the width of the cannelure and the wall thickness phase of crochet hook cylinder Adapt to.

10. core capture device according to claim 9, it is characterised in that：The adapter sleeve（2）Hypomere middle part spiral shell Line is connected with power rail（4）.