CN201438968U

CN201438968U - Positioning hole puncher of vertebral body

Info

Publication number: CN201438968U
Application number: CN2009201562636U
Authority: CN
Inventors: 高振兴; 高子婷
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-06-18
Filing date: 2009-06-18
Publication date: 2010-04-21
Anticipated expiration: 2019-06-18

Abstract

The utility model discloses a positioning hole puncher of a vertebral body, comprising a drill stem, a positioning cylinder and a puncturing part, wherein the drill stem is provided with a sleeving part; the positioning cylinder axially forms a through hole and can be detachably arranged on the sleeving part; the puncturing part can be detachably arranged in the through hole of the positioning cylinder, and the diameter of the puncturing part is smaller than the caliber of the through hole; the length of the positioning cylinder is matched with the sleeving part of the drill stem, and the length of the puncturing part is longer than that of the positioning cylinder; when in operation, the positioning cylinder is sleeved with the sleeving part of the drill stem and supports against the vertebral body of a patient with a puncturing end to be convenient to apply force so that the puncturing end punctures a vertebral body bone to be close to the positioning cylinder and punctures the surface of the vertebral body; then the drill stem is taken out, and the puncturing part is inserted into the through hole and directly reaches the bone lesion position of the patient so as to complete the whole hole punching process. Because the caliber of the formed punching hole is in a progressive way, the vertebral body bone of the patient can not fracture due to incapable endurance caused in such a way that large aperture directly breaks the hole.

Description

Vertebral body positional punch device

Technical field

This utility model relates to a kind of vertebral body positional punch device, relates in particular to a kind of card punch that can reduce the vertebral bodies destroyed degree when vertebral body is punched.

Background technology

Along with aging, the quantity of motion at age and the minimizing of He Ermeng can make calcareous the loss gradually of human body and cause the loose gradually or fracture of sclerotin, therefore many casual little tricks all can cause fracture, and cause the inconvenience on the daily life.

Fortunately, medical science is very flourishing now, also has ideal operation method to strengthen the intensity of patient's sclerotin for osteoporosis or the patient of fracture, fractures because of the bump of external force easily to avoid the patient; And this modus operandi is inserted the vertebra implant again in vertebral body osteoporosis or fracture perforation, to strengthen the intensity at this place.

Yet, the reamer that in No. the 094200226th, TaiWan, China patent application case, is used for the vertebral body perforation, the one end has one and is the maintenance section that cone-shaped introduction segment and is rectangular shape, and the width of these introduction segment both sides is narrow than the width of maintenance section, and end is provided with a shank with length in addition, and the end of this shank is for beaing for external force; For this reason, in the process with ream operation that vertebral body operation is provided, can effectively avoid the vertebra neck to be undermined the neural situation of injury, to increase safety and the degree of stability of implanting positor through the vertebra neck; But when this reamer is used in the osteoporosis or the patient of fracture, because patient's sclerotin is very fragile, make the vertebral body position of contiguous perforation cracked in the process of direct perforation easily, therefore cause the expansion of vertebral body perforation bore, the patient is restorative to be difficult for and cause; So, the real necessity that further improvement is arranged of this tradition reamer.

The utility model content

Therefore, this utility model main purpose is providing a kind of vertebral body positional punch device, and it can reduce osteoporosis when boring a hole or the bore of fracture patient perforation enlarges breakage, so that the patient can restore rapidly in the future.

For reaching above-mentioned purpose, the technological means that this utility model is taked is to provide a kind of vertebral body positional punch device, it is characterized in that, comprising:

One drilling rod, one end form one and hold portion, and end forms a sleeved part in addition, and the end formation one of this sleeved part is the end that pierces through of inclined point shape;

One positioning tube, it axially forms a perforation, and being located on the sleeved part of this drilling rod, the length of this positioning tube and the sleeved part of drilling rod are complementary with dismantling, this positioning tube one end forms with drilling rod and pierces through the end that plugs that end is complementary, and this drilling rod pierces through end and is longer than this slightly and plugs end; And

One puncture component can be located in the perforation of positioning tube with dismantling, and the diameter of this puncture component is less than the bore of positioning tube perforation, and the length of this puncture component is greater than the length of positioning tube, and an end of this puncture component is tip shape again.

Above-mentioned vertebral body positional punch device, wherein, this drilling rod axially forms a socket piece in the junction of portion of holding and sleeved part, the diameter of this socket piece is between portion of holding and sleeved part, and the other end of this positioning tube forms a binding end, this binding end axially forms a reaming that is connected with perforation, this reaming and hold portion and sleeved part between the socket piece be complementary, this positioning tube can tightly be located on the socket piece of drilling rod.

Above-mentioned vertebral body positional punch device, wherein, this holds a non slip surface that is formed with user usefulness of on-slip when using on the outer surface of portion.

During use, earlier this positioning tube is sheathed on the sleeved part of drilling rod and contacts at the contiguous osteoporosis of patient or the vertebral body of fracture, and the operator holds the portion of holding of being convenient to the application of force, make the cutting tip of this drilling rod thrust vertebral body and then the end that plugs of positioning tube thrust vertebral body simultaneously, further to make this positioning tube be inserted in the vertebral body surface, and then utilize puncture component to be inserted in the perforation of positioning tube, and osteoporosis of through vertebral body or fracture.

Effect of the present utility model is, utilizes the formed perforation of above-mentioned vertebral body positional punch device, is difficult for causing breaking of vertebral body, and is less because of utilizing bore, and by straight gradual reaming, so that the patient can be restored rapidly after operation.

Below in conjunction with the drawings and specific embodiments this utility model is described in detail, but not as to qualification of the present utility model.

Description of drawings

Fig. 1 is the axonometric chart of this utility model one preferred embodiment;

Fig. 2 is that sketch map is used in this utility model one perforation;

Fig. 3 is that sketch map is used in the perforation of the another preferred embodiment of this utility model;

Fig. 4 is that sketch map is used in the reaming of another preferred embodiment of this utility model;

Fig. 5 is the use sketch map of another preferred embodiment of this utility model;

Fig. 6 is the use sketch map of another preferred embodiment of this utility model.

Wherein, Reference numeral

10 drilling rods 11 are held portion

12 non slip surfaces, 13 sleeved part

14 pierce through end 15 socket pieces

20 positioning tubes 22 plug end

24 reamings of 23 binding ends

30 puncture components, 40 vertebral bodys

41 osteoporosises or fracture 50 reaming parts

60 conduits

The specific embodiment

Below in conjunction with accompanying drawing structural principle of the present utility model and operation principle are done concrete description:

Please refer to Fig. 1, this utility model is a kind of vertebral body positional punch device, comprises a drilling rod 10, a positioning tube 20 and a puncture component 30.

These drilling rod 10 1 ends form one and hold portion 11, with gripping and the operation that makes things convenient for user, this is held and forms a non slip surface 12 on the diametric plane of portion 11, with usefulness as user on-slip when using, and other end formation one is elongated sleeved part 13, the end formation one of this sleeved part 13 is piercing through of inclined point shape and holds 14, and this drilling rod 10 is in portion of holding 11 and the axial cylindrical socket piece 15 that forms in the junction of sleeved part 13, the diameter of this socket piece 15 between portion of holding 11 and sleeved part 13, the usefulness of combining closely for this drilling rod 10 and positioning tube 20.

This positioning tube 20 is with axial formation one perforation (not shown), with the sleeved part 13 of removably being located at drilling rod 10, the length of this positioning tube 20 is shorter slightly than the sleeved part 13 of drilling rod 10, and these positioning tube 20 1 ends are that inclined point shape plugs end 22, and drilling rod 10 pierce through the end 14 be longer than slightly inclined point shape plug the end 22, be sheathed on the sleeved part 13 of drilling rod 10 when this positioning tube 20, the process that is beneficial to puncture, and end forms a binding end 23 in addition, the reaming 24 that is connected with perforation with axial formation one on this binding end 23, this reaming 24 and hold portion 11 and the socket piece 15 of 13 of sleeved part is complementary can tightly be located on the socket piece 15 of drilling rod 10 this positioning tube 20.

This puncture component 30 is an elongated rod shape, this puncture component 30 removably is located in the perforation of positioning tube 20, the diameter of this puncture component 30 is less than the bore of positioning tube 20 perforations, and the length of this puncture component 30 is greater than the length of positioning tube 20, and an end of this puncture component 30 is tip shape again.

Please refer to shown in Figure 2, when using this utility model, earlier this positioning tube 20 is sheathed on the sleeved part 13 of drilling rod 10 and contacts at the contiguous osteoporosis of patient or outer pleurocentrum 40 positions of fracture 41, the operator grips the portion of holding 11 and the application of force of drilling rod 10 then, and then make this drilling rod 10 pierce through end 14 pierces through behind vertebral body 40 surfaces and to plug end 22 thorns in the positioning tube 20 of larger aperture and be through at vertebral body 40, afterwards drilling rod 10 is taken out and this puncture component 30 is inserted in the perforation of positioning tube 20 as shown in Figure 3, and osteoporosis or the fracture 41 of through patient vertebral body 40, to finish whole process in the vertebral body perforation.

Please refer to shown in Figure 4, after this utility model perforation, can use reamer 50 sheathed puncture components 30 paths, reach osteoporosis or fracture 41, this kind reamer 50 is number of packages and access times without limits, mainly be to utilize the gradually big reamer of diameter 50 to be arranged in osteoporosis or the fracture 41 of vertebral body 40, to avoid breaking of vertebral body 40.

Please refer to Fig. 5, shown in Figure 6, can sheathed conduit 60 after performing suitable reaming, and after reamer 50 taken out, bone meal or other implant can be filled osteoporosis or fracture 41.

By the formed perforation of this utility model vertebral body positional punch device, its bore is little far beyond traditional vertebral body reamer, and in the process of puncture, can avoid the comparatively loose vertebral body of contiguous perforation and sclerotin cracked, and make the bore of its perforation excessive, cause the patient to restore situation situation slowly.

Certainly; this utility model also can have other various embodiments; under the situation that does not deviate from this utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to this utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of this utility model.

Claims

1. a vertebral body positional punch device is characterized in that, comprising:

One drilling rod, one end form one and hold portion, and the other end forms a sleeved part, and the end formation one of this sleeved part is the end that pierces through of inclined point shape;

One puncture component can be located in the perforation of positioning tube with dismantling, and the diameter of this puncture component is less than the bore of positioning tube perforation, and the length of this puncture component is greater than the length of this positioning tube, and an end of this puncture component is tip shape again.

2. vertebral body positional punch device according to claim 1, it is characterized in that, this drilling rod axially forms a socket piece in the junction of portion of holding and sleeved part, the diameter of this socket piece is between portion of holding and sleeved part, and the other end of this positioning tube forms a binding end, this binding end axially forms a reaming that is connected with perforation, this reaming and hold portion and sleeved part between the socket piece be complementary, this positioning tube can tightly be located on the socket piece of drilling rod.

3. vertebral body positional punch device according to claim 2 is characterized in that, this holds a non slip surface that is formed with user usefulness of on-slip when using on the outer surface of portion.