CN212261614U

CN212261614U - Skeleton crushing device

Info

Publication number: CN212261614U
Application number: CN202020687929.7U
Authority: CN
Inventors: 张新宇
Original assignee: Third Medical Center of PLA General Hospital
Current assignee: Third Medical Center of PLA General Hospital
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2021-01-01
Anticipated expiration: 2030-04-29

Abstract

The utility model provides a bone crushing device, which comprises a crushing tube and a collecting cylinder, wherein a sealing cover is inserted on the upper outer surface of the crushing tube, the lower outer surface of the collecting cylinder is movably connected with a bottom cover, a rotating shaft is arranged at the central position of the upper outer surface of the bottom cover, a supporting column is fixedly connected with the upper outer surface of the rotating shaft, a vertical spiral tooth is fixedly connected with the upper outer surface of the supporting column, a clamping groove is arranged at the central position of the upper outer surface of the vertical spiral tooth, an inner core is arranged on the upper outer surface of the vertical spiral tooth, a handle is connected with the upper outer surface of the inner core in a threaded manner, the inner part of the crushing tube is in a hollow state, the device can effectively meet the crushing requirement of self bone blocks in the operation, obtains bone particles with proper size, saves labor and operation time, improves the fusion effect after, the use efficiency of the device is improved.

Description

Skeleton crushing device

Technical Field

The utility model belongs to the technical field of the medical treatment technique and specifically relates to a skeleton breaker is related to.

Background

The bone grafting is to transplant bone tissues to the position where bone defects, reinforcement or fusion are needed in the patient body by operation; because the skeleton sources are different, the bone is divided into autologous bone transplantation and allogeneic bone transplantation, and with the progress of refrigeration equipment and sterile anticorrosion technology, the allogeneic bone is stored in a bone bank; the common range is bone defect, fracture nonunion, cavity left after filling cystic focus or benign tumor scraping, spine and joint fusion, etc.; the autologous bone graft may be taken from the medial anterior aspect of the tibia, the superior fibula, the iliac wing, the ribs and the healthy bone distal to the severed limb.

In the process of implementing the invention, the following problems in the prior art are found to be at least not solved: the bone grafting of very much focusing on of backbone operation fuses, often need carry out the breakage to autologous bone piece in the operation to obtain the bone grain of planting of suitable size, nevertheless the general form of autologous bone of obtaining in the art is irregular, the size is inconsistent, when directly being used for the bone grafting material, the bone contact is not abundant, influences the osteogenesis ability, needs the manual work of doctor to carry out the breakage to the bone piece usually, obtains the bone grain of 0.1 cubic centimeter or so, and this process is wasted time and energy, pollutes easily and wastes.

To this end, a bone disruption device is proposed.

SUMMERY OF THE UTILITY MODEL

A first object of the utility model is to provide a skeleton breaker, the device can satisfy the broken needs to autologous bone piece in the operation effectively, obtains the bone grain of suitable size, uses manpower sparingly and operation time, improves the postoperative and fuses the effect, and convenient to use person installs simultaneously and dismantles cleaning and disinfecting, improves the availability factor of device to solve the problem of proposing in the above-mentioned background art.

The utility model provides a bone breaker, including broken pipe and collection jar, the upper end surface of broken pipe is pegged graft and is had sealed lid, the lower extreme surface swing joint of collecting the jar has the bottom, the upper end surface central point of bottom puts and is provided with the pivot, the upper end surface fixed connection of pivot has the support column, the upper end surface fixed connection of support column has perpendicular shape spiral shell tooth, the draw-in groove has been seted up to the upper end surface central point of perpendicular shape spiral shell tooth, the upper end surface of perpendicular shape spiral shell tooth is provided with the inner core, the upper end surface threaded connection of inner core has the handle.

Through adopting above-mentioned technical scheme, the device can satisfy the broken needs to autologous bone piece in the operation effectively, obtains the bone grain of suitable size, uses manpower sparingly and operation time, improves postoperative fusion effect, and convenient to use person installs simultaneously and dismantles cleaning and disinfecting, improves the availability factor of device.

Preferably, the crushing pipe is hollow, the inner surface of the crushing pipe is provided with transverse threads, and the outer surface of the inner core is also provided with transverse threads in a staggered manner.

By adopting the technical scheme, the bone in the crushing pipe can be pushed to move downwards through the transverse threads distributed on the crushing pipe and the inner core in a staggered manner.

Preferably, the bottom end of the annular inner surface of the crushing pipe is provided with vertical threads, the outer surface of the lower end of the inner core is fixedly connected with a clamping block, the clamping block is matched with the clamping groove, and the distance between the vertical threads and the vertical threads is 0.1 cm.

Through adopting above-mentioned technical scheme, under the cooperation of vertical screw thread and vertical thread tooth was used, can grind bold skeleton into the bone grain of 0.1 cubic centimeter.

Preferably, a through hole is formed in the position, close to one side, of the outer surface of the lower end of the bottom cover, the through hole extends to the inside of the collecting cylinder, and a bolt is inserted into the through hole.

Through adopting above-mentioned technical scheme, insert in the through-hole through the bolt, then rotate the bolt card and reach the effect of fixed bottom in the recess of through-hole.

Preferably, the number of the through holes is two, the two through holes are symmetrically distributed by taking the center of the outer surface of the upper end of the bottom cover as a midpoint, and a sealing gasket is arranged at a position, far away from the center, of the outer surface of the upper end of the bottom cover.

Through adopting above-mentioned technical scheme, can reduce the probability that the big bone piece revealed after grinding into the bone grain through sealed the pad.

Preferably, the crushing pipe, the sealing cover, the handle, the inner core, the collecting cylinder, the bottom cover, the supporting column and the vertical screw teeth are all made of 304 stainless steel materials.

By adopting the technical scheme, the device made of stainless steel materials can be convenient for a user to clean and prolong the service life of the device.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the user firstly opens the sealing cover, then inserts the fixture block of the inner core into the clamping groove, then puts the big bone block with the soft tissue and cartilage removed into the crushing tube, then inserts the sealing cover on the crushing tube, then the user connects the handle on the inner core by screw thread, the fixture block at the lower end of the inner core is clamped with the clamping groove on the vertical spiral tooth, then the user holds the crushing tube, the rotating handle drives the inner core to rotate, the fixture block of the inner core is clamped with the clamping groove to drive the support column to rotate, the support column rotates on the bottom cover by the rotating shaft, the bone block in the crushing tube can be pushed to move downwards by the cross thread distributed by the crushing tube and the inner core, meanwhile, the big bone block can be ground into small bone blocks, the small bone blocks move to the bottom end of the crushing tube under the action of gravity, then the small bone blocks are further ground by the fixed vertical thread and the vertical spiral tooth with the inner core, when the small bone blocks are ground into 0., drop to in collecting the jar, improve the availability factor of device.

2. Through adding a series of structural component such as bottom in the device, through-hole and bolt, grind the back that finishes when the bone piece, the user will collect the bottom dismantlement of bottom end of the jar, rotate the bolt in the through-hole through the user, recess in the through-hole separates with the overhang of bolt, the user can extract the bolt this moment, and take off the bone grain that the bottom will grind the completion and collect, after the device finishes using, the user separates handle and inner core, then take off sealed lid again, again with broken pipe and collection jar separation, then separate bottom and collection jar, wash the disinfection, so that the user uses next time.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a structural view of the present invention;

FIG. 2 is a combination view of the crushing tube and the inner core of the present invention;

FIG. 3 is a combination view of the collecting cylinder and the bottom cover of the present invention;

fig. 4 is a combined view of the bottom cover and the supporting column of the present invention;

fig. 5 is a combination view of the inner core and the handle of the present invention.

Description of reference numerals:

1. crushing the tube; 2. a sealing cover; 3. transversely threading; 4. a handle; 5. an inner core; 6. a vertical thread; 7. a collection tank; 8. a bottom cover; 9. a support pillar; 10. vertical screw teeth; 11. a card slot; 12. a through hole; 13. a bolt; 14. a clamping block; 15. a rotating shaft.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, the present invention provides a technical solution:

the utility model provides a skeleton breaker, as shown in fig. 1 to 5, includes broken pipe 1 and collection jar 7, the upper end surface of broken pipe 1 is pegged graft and is had sealed lid 2, the lower extreme surface swing joint of collection jar 7 has bottom 8, the upper end surface central point of bottom 8 puts and is provided with pivot 15, the upper end surface fixed connection of pivot 15 has support column 9, the upper end surface fixed connection of support column 9 has perpendicular shape thread 10, draw-in groove 11 has been seted up to the upper end surface central point of perpendicular shape thread 10, the upper end surface of perpendicular shape thread 10 is provided with inner core 5, the upper end surface threaded connection of inner core 5 has handle 4.

Specifically, as shown in fig. 2, the crushing pipe 1 is hollow, the inner surface of the crushing pipe 1 is provided with transverse threads 3, and the outer surface of the inner core 5 is also provided with the transverse threads 3 in a staggered manner.

Through adopting above-mentioned technical scheme, through the crisscross horizontal line screw thread 3 that distributes of broken pipe 1 and inner core 5, can promote the skeleton in broken pipe 1 and move down.

Specifically, as shown in fig. 2 to 5, a vertical thread 6 is formed at the bottom end of the annular inner surface of the crushing tube 1, a clamping block 14 is fixedly connected to the outer surface of the lower end of the inner core 5, the clamping block 14 is matched with the clamping groove 11, and the distance between the vertical thread 6 and the vertical thread 10 is 0.1 cm.

By adopting the technical scheme, under the matching use of the vertical screw thread 6 and the vertical screw teeth 10, the large bone can be ground into bone particles of 0.1 cubic centimeter.

Specifically, as shown in fig. 3, a through hole 12 is formed in a position, close to one side, of the outer surface of the lower end of the bottom cover 8, the through hole 12 extends into the collecting cylinder 7, and a plug 13 is inserted into the through hole 12.

Through adopting above-mentioned technical scheme, insert in through-hole 12 through bolt 13, then rotate bolt 13 card and reach the effect of fixed bottom 8 in the recess of through-hole 12.

Specifically, as shown in fig. 3 and 4, the number of the through holes 12 is two, the two through holes 12 are symmetrically distributed with the center of the outer surface of the upper end of the bottom cover 8 as a midpoint, and a sealing gasket is disposed at a position of the outer surface of the upper end of the bottom cover 8 away from the center.

Specifically, as shown in fig. 1, the crushing tube 1, the sealing cover 2, the handle 4, the inner core 5, the collecting cylinder 7, the bottom cover 8, the supporting column 9 and the vertical screw teeth 10 are all made of 304 stainless steel.

The working principle is as follows: the user firstly opens the sealing cover 2, then inserts the fixture block 14 of the inner core 5 into the clamping groove 11, then puts the big bone block with the soft tissue and cartilage removed into the crushing tube 1, then inserts the sealing cover 2 on the crushing tube 1, then the user connects the handle 4 on the inner core 5 by screw thread, the fixture block 14 at the lower end of the inner core 5 is clamped with the clamping groove 11 on the vertical spiral tooth 10, then the user holds the crushing tube 1, rotates the handle 4 to drive the inner core 5 to rotate, the fixture block 14 of the inner core 5 is clamped with the clamping groove 11 to drive the support column 9 to rotate, the support column 9 rotates on the bottom cover 8 by the rotating shaft 15, the bone block in the crushing tube 1 can be pushed to move downwards by the horizontal screw thread 3 distributed by the crushing tube 1 and the inner core 5 in a staggered way, meanwhile, the big bone block can be ground into small bone block, the small bone block moves to the bottom end of the crushing tube 1 by the action of gravity, and then the small bone block is further ground by the vertical spiral, when the small bone blocks are ground into 0.1 cubic centimeter bone particles, the bone particles fall into the collecting cylinder 7, the use efficiency of the device is improved, a series of structural components such as a bottom cover 8, a through hole 12 and a bolt 13 are added into the device, after the bone blocks are ground, a user detaches the bottom cover 8 at the bottom end of the collecting cylinder 7, the bolt 13 in the through hole 12 is rotated by the user, a groove in the through hole 12 is separated from a protruding end of the bolt 13, the bolt 13 can be pulled out by the user at the moment, the bottom cover 8 is taken down to collect the ground bone particles, after the device is used, the handle 4 is separated from the inner core 5 by the user, then the sealing cover 2 is taken down, the crushing pipe 1 is separated from the collecting cylinder 7, then the bottom cover 8 is separated from the collecting cylinder 7, and the bone particles are cleaned and sterilized, so that the user can use the next time.

The using method comprises the following steps: the user firstly opens the sealing cover 2, then inserts the fixture block 14 of the inner core 5 into the clamping groove 11, then puts the big bone block with the soft tissue and cartilage removed into the crushing tube 1, then inserts the sealing cover 2 on the crushing tube 1, then the user connects the handle 4 on the inner core 5 by screw thread, the fixture block 14 at the lower end of the inner core 5 is clamped with the clamping groove 11 on the vertical spiral tooth 10, then the user holds the crushing tube 1, rotates the handle 4 to drive the inner core 5 to rotate, the fixture block 14 of the inner core 5 is clamped with the clamping groove 11 to drive the support column 9 to rotate, the support column 9 rotates on the bottom cover 8 by the rotating shaft 15, the bone block in the crushing tube 1 can be pushed to move downwards by the horizontal screw thread 3 distributed by the crushing tube 1 and the inner core 5 in a staggered way, meanwhile, the big bone block can be ground into small bone block, the small bone block moves to the bottom end of the crushing tube 1 by the action of gravity, and then the small bone block is further ground by the vertical spiral, when the ossicle is ground into the bone grain of 0.1 cubic centimeter after, drop to in collecting jar 7, the availability factor of device is improved, after the bone piece grinds and finishes, the user will collect the bottom 8 dismantlement of jar 7 bottom, rotate bolt 13 in the through-hole 12 through the user, recess and the protruding end separation of bolt 13 in the through-hole 12, the user can extract bolt 13 this moment, and take off bottom 8 and collect the bone grain that the grinding was accomplished, after the device finishes using, the user separates handle 4 and inner core 5, then take off sealed lid 2 again, again with broken pipe 1 and collection jar 7 separation, then separate bottom 8 and collection jar 7 again, wash the disinfection, so that the user uses next time.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a skeleton breaker, its characterized in that, includes broken pipe (1) and collects jar (7), the upper end surface of broken pipe (1) is pegged graft and is had sealed lid (2), the lower extreme surface swing joint of collecting jar (7) has bottom (8), the upper end surface central point of bottom (8) puts and is provided with pivot (15), the upper end surface fixed connection of pivot (15) has support column (9), the upper end surface fixed connection of support column (9) has perpendicular shape thread (10), draw-in groove (11) have been seted up to the upper end surface central point of perpendicular shape thread (10), the upper end surface of perpendicular shape thread (10) is provided with inner core (5), the upper end surface threaded connection of inner core (5) has handle (4).

2. A bone crushing device as claimed in claim 1, characterized in that the crushing tube (1) is hollow inside, the inner surface of the crushing tube (1) is provided with transverse threads (3), and the outer surface of the inner core (5) is also provided with transverse threads (3) in a staggered manner.

3. A bone crushing device as claimed in claim 2, characterized in that the bottom end of the annular inner surface of the crushing tube (1) is provided with a vertical thread (6), the outer surface of the lower end of the inner core (5) is fixedly connected with a fixture block (14), the fixture block (14) is matched with the fixture groove (11), and the distance between the vertical thread (6) and the vertical thread (10) is 0.1 cm.

4. A bone crushing device as claimed in claim 1, characterized in that the bottom cover (8) is provided with a through hole (12) at a position close to one side of the outer surface of the lower end, the through hole (12) extends to the inside of the collecting cylinder (7), and a plug (13) is inserted into the through hole (12).

5. A bone crushing device as claimed in claim 4, characterized in that the number of the through holes (12) is two, the two through holes (12) are symmetrically distributed with the center of the outer surface of the upper end of the bottom cover (8) as the middle point, and a sealing gasket is arranged at the position of the outer surface of the upper end of the bottom cover (8) far away from the center.

6. A bone crushing device as claimed in claim 1, characterized in that the crushing tube (1), the sealing cover (2), the handle (4), the inner core (5), the collecting jar (7), the bottom cover (8), the supporting column (9) and the vertical screw teeth (10) are all made of 304 stainless steel.