CN113693672A

CN113693672A - But height-adjusting's open shin bone probe

Info

Publication number: CN113693672A
Application number: CN202111164211.5A
Authority: CN
Inventors: 王楠
Original assignee: Tianyan Medical Equipment Co ltd
Current assignee: Tianyan Medical Equipment Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2021-11-26
Anticipated expiration: 2041-09-30
Also published as: CN113693672B

Abstract

The invention discloses an open tibia probe with adjustable height, which comprises: a probe body for probing or examining an osteotomy position of a tibia; the cylinder is positioned on one side of the probe body and is perpendicular to the probe body; the inserting piece is positioned at the lower end of the column body and is connected with the column body; the linkage block is sleeved on the probe body and the column body; and the adjusting structure is used for driving the linkage block to move along the column body in the vertical direction. The adjusting structure of the tibia probe disclosed by the invention is open, and compared with the traditional structure, the tibia probe is simple in adjusting mode, simple in structure, free of dead angles and easy to clean.

Description

But height-adjusting's open shin bone probe

Technical Field

The invention relates to the technical field of surgical instruments, in particular to an open type tibial probe with adjustable height.

Background

The artificial knee joint replacement is a new technology for treating knee joint diseases, which is gradually developed after the modern artificial hip joint is successfully applied to patients, can effectively eradicate late-stage knee joint pain, and greatly improves the life quality of the patients. In particular, in the artificial knee joint replacement surgery, the proximal tibia needs to be cut, wherein the cut amount is determined as a very important process, and a doctor uses a tibial probe to determine the cut amount of the proximal tibia in the surgery by combining the tibial probe with a tibial cut component and then measuring the distance between the proximal tibia and the cut position, the tibial probe used in the prior art has certain defects:

the existing tibial probe is complex in structure, has a clean dead angle, and can possibly hide pollutants such as blood in an operation, so that the cleaning of tools after the operation is difficult to complete, but the thorough cleaning of surgical instruments can reduce the risk of postoperative infection of a patient, so an easy-to-clean tibial probe is needed, and in addition, the existing fixed tibial probe is simple in structure, but the scales are single and fixed, so that an operator needs to judge the ideal osteotomy height by visual observation, and an error can be generated to further influence the operation effect.

The invention discloses an open type tibial probe with adjustable height, which is used for solving the problems.

Disclosure of Invention

The present invention is directed to an open tibial probe with adjustable height to solve the above-mentioned problems of the prior art.

In order to solve the technical problems, the invention provides the following technical scheme: an adjustable height open tibial probe, comprising: a probe body for probing or examining an osteotomy position of a tibia; the cylinder is positioned on one side of the probe body and is perpendicular to the probe body; the inserting piece is positioned at the lower end of the column body and is connected with the column body; the linkage block is sleeved on the probe body and the column body; and the adjusting structure is used for driving the linkage block to move along the column body in the vertical direction.

Preferably, the adjusting structure includes: the disc-shaped body is positioned on one side of the cylinder, which is far away from the probe body, and the linkage block is rotationally connected with the center of the disc-shaped body; the vortex through groove is located on the disc-shaped body, a first pin is arranged in the vortex through groove, and the first pin is fixedly connected with the cylinder.

Preferably, the linkage block includes: the upper limiting block is positioned at the upper end of the probe body and is in contact with the probe body, and a first through hole is formed in the middle of the upper limiting block; the lower limiting block is positioned at the lower end of the probe body and is arranged in contact with the probe body, and a second through hole is formed in the middle of the lower limiting block; the upper limiting block is connected with the lower limiting block through a plate, and the column body penetrates through the first through hole and the second through hole.

Preferably, a plurality of grooves are formed in the disc-shaped body and distributed at equal intervals along the center of the disc-shaped body, a column groove is formed in one side, close to the disc-shaped body, of the upper limiting block, an elastic body and a ball body are arranged in the column groove, one end of the ball body is located in the groove, and the elastic body is in a compressed state.

Preferably, a plurality of scales are arranged at the outer edge of the disc-shaped body, the scales are distributed at equal intervals along the center of the disc-shaped body, and the number of the scales corresponds to the number of the grooves.

Preferably, one side of the upper limiting block close to the disc-shaped body is provided with a second cylindrical pin, the second cylindrical pin penetrates through the disc-shaped body, and the second cylindrical pin is further provided with a C-shaped ring buckle.

Preferably, one end of the probe body is provided with a handheld pull ring.

Preferably, the middle part of the insertion piece is provided with an elastic sheet, one end of the elastic sheet is connected with the insertion piece, the other end of the elastic sheet tilts relative to the insertion piece, and the elastic sheet provides a temporary fixing effect when the insertion piece is combined with the osteotomy saw blade guide groove.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the height-adjustable open type tibial probe disclosed by the invention, when the height of the probe body needs to be adjusted, only the disc-shaped body needs to be rotated, the adjustment mode is very quick and simple, the adjustment structure is an open type structure, and no cleaning dead angle exists among all parts, so that the surgical instrument can be conveniently and thoroughly cleaned after the operation, and the risk of postoperative infection of a patient is further reduced;

2. according to the open type tibia probe with the adjustable height, disclosed by the invention, the structures such as the groove, the elastic body, the ball body and the like are arranged between the disc-shaped body and the upper limiting block, when the disc-shaped body is rotated, the height of the probe body can be accurately and quickly adjusted, and corresponding sound can be given out when each scale is adjusted, so that an operator can conveniently and accurately master the adjustment amount;

3. the invention discloses an open type tibia probe with adjustable height, which is characterized in that a probe body is connected with a tibia osteotomy component by utilizing an insertion piece, namely the insertion piece is inserted into a saw blade guide groove of the tibia osteotomy component, the connection mode is simple and efficient, and a spring piece is arranged on the insertion piece, so that a certain damping effect is generated between the spring piece and the saw blade guide groove, and the whole tibia probe is stable and does not loosen.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a first perspective view of an adjustable height open tibial probe in accordance with an embodiment of the present invention;

FIG. 2 is a second perspective view of an adjustable height open tibial probe in accordance with an embodiment of the present invention;

FIG. 3 is an exploded view of an adjustable height open tibial probe in accordance with an embodiment of the present invention;

FIG. 4 is a perspective view of a disk-shaped body in an embodiment of the present invention;

FIG. 5 is a perspective view of a linkage block in an embodiment of the present invention;

in the figure:

the probe comprises a probe body 1 and a handheld pull ring 11;

a cylinder 2;

the insert 3, the spring plate 31;

the linkage block 4, the upper limiting block 41, the second column pin 411, the C-shaped ring fastener 412, the first through hole 42, the lower limiting block 43, the second through hole 44 and the plate 45;

adjusting structure 5, disk body 51, vortex through groove 52, first pin 53, recess 54, column groove 55, elastomer 56, sphere 57 and scale 58.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): the embodiment provides an optimal scheme of an open tibial probe with adjustable height, which comprises a probe body 1, a cylinder 2 and an adjusting structure 5, wherein the probe body 1 is used for detecting or checking the osteotomy position of a tibial platform, the cylinder 2 is positioned on one side of the probe body 1 and is vertically arranged with the probe body 1, the inserting piece 3 is also included, the inserting piece 3 is positioned at the lower end of the cylinder 2, is fixedly connected with the cylinder 2 and is connected with the cylinder 2, the linking block 4 is also included, the linking block 4 is sleeved on the probe body 1 and the cylinder 2, and the adjusting structure 5 is used for driving the linking block 4 to move in the vertical direction along the cylinder 2;

when the tibial probe is used, the insertion piece 3 is inserted into a saw blade guide groove of a tibial osteotomy component, the height of the probe body 1 is adjusted by the adjusting structure 5, and whether the osteotomy amount is proper or not is checked when the probe body 1 is placed at a proper position on the surface of the proximal end of a tibia.

Furthermore, the adjusting structure 5 comprises a disk-shaped body 51, the disk-shaped body 51 is a circular disk, the disk-shaped body 51 is located on one side of the cylinder 2 far away from the probe body 1, the linkage block 4 is rotationally connected with the center of the disk-shaped body 51, the adjusting structure further comprises a vortex through groove 52, the vortex through groove 52 is located on the disk-shaped body 51, the vortex through groove 52 is distributed along the center of the disk-shaped body 51, a first pin 53 is arranged in the vortex through groove 52, the first pin 53 is fixedly connected with the cylinder 2, and during specific adjustment, the disk-shaped body 51 can be rotated to rotate the disk-shaped body 51 along its center, the first pin 53 can be shifted in position in the spiral through groove 52, because the column body 2 is in a fixed state, under the action of the first pin 53, the disc-shaped body 51 rotates and is lifted vertically, so as to drive the linkage block 4 to displace, and finally drive the probe body 1 to displace.

Further, in order to realize that the linkage block 4 is sleeved on the probe body 1 and the column body 2, the linkage block 4 specifically comprises an upper limiting block 41 and a lower limiting block 43, wherein the upper limiting block 41 is positioned at the upper end of the probe body 1 and is arranged in contact with the probe body 1, the lower limiting block 43 is positioned at the lower end of the probe body 1 and is arranged in contact with the probe body 1, the upper limiting block 41 is connected with the lower limiting block 43 through a plate 45, the upper limiting block 41 and the lower limiting block 43 limit the probe body 1 together, so that the probe body 1 can only realize horizontal displacement relative to the linkage block 4, and the upper limiting block 41, the lower limiting block 43 and the plate 45 are integrally formed;

wherein, go up the stopper 41 middle part and still seted up first through-hole 42, lower stopper 43 middle part has seted up second through-hole 44, and cylinder 2 passes first through-hole 42 and second through-hole 44, realizes that linkage block 4 can take place the displacement of vertical direction for cylinder 2.

Furthermore, in order to realize that the probe body 1 can be accurately adjusted and the adjusted height can be conveniently mastered by an operator during adjustment, the disk-shaped body 51 is provided with a plurality of grooves 54, the plurality of grooves 54 are distributed along the center of the disk-shaped body 51 at equal intervals, the side of the upper limiting block 41 close to the disk-shaped body 51 is provided with a column groove 55, and one side of the upper limiting block 41 close to the disc-shaped body 51 is tightly contacted with the disc-shaped body 51, an elastic body 56 and a ball 57 are arranged in the column groove 55, one end of the ball 57 is positioned in the groove 54, the elastic body 56 is in a compressed state, the elastic body 56 is preferably a spring, the upper limiting block 41 extends to the edge corresponding to the disc-shaped body 51, the number of the column slots 55, the elastic bodies 56 and the spheres 57 are two, and the two column slots, the two elastic bodies and the two spheres are respectively distributed at the two sides of the upper limiting block 41 to balance the rotation action of the disc-shaped body 51, and the probe body 1 can rotate only under a certain external force, so that the adjusted state of the probe body 1 can be maintained.

When the disk-shaped body 51 is rotated, the disk-shaped body 51 and the linkage block 4 are relatively displaced, so that the ball 57 enters different grooves 54 under the action of the elastic body 56, and interferes with the grooves 54, vibrates and makes a sound to indicate the adjustment amount of the probe body 1 of an operator;

furthermore, a plurality of scales 58 are arranged at the outer edge of the disc-shaped body 51, the scales 58 are distributed at equal intervals along the center of the disc-shaped body 51, the number of the scales 58 corresponds to the number of the grooves 54, one scale 58 corresponds to each position of the sphere 57 corresponding to the groove 54 when the sphere is changed once, so that an operator can master the adjustment amount at any time, and correspondingly, an indicating needle is arranged on the side part of the upper limiting block 41 and used for indicating the scales 58.

Further, in order to realize the rotational connection between the disc-shaped body 51 and the linkage block 4, a second pin 411 is provided on a side of the upper limiting block 41 close to the disc-shaped body 51, the second pin 411 is integrally formed with the upper limiting block 41, the second pin 411 passes through the disc-shaped body 51, and a C-shaped buckle 412 is further provided on the second pin 411, so that the disc-shaped body 51 cannot rotate freely but can rotate only under a certain external force, thereby maintaining the adjusted state of the probe body 1.

Furthermore, in order to adjust the telescopic amount of the probe body 1, a handheld pull ring 11 is further arranged at one end of the probe body 1, so that a user can conveniently hold the measuring position.

Furthermore, because the effect of the insert 3 is to insert into the saw blade guide slot of the tibia cutting assembly, the whole tibia probe is relatively fixed, so as to ensure that the whole tibia probe can horizontally rotate under the action of external force and cannot loosen, the middle part of the insert 3 is provided with the elastic sheet 31, one end of the elastic sheet 31 is connected with the insert 3, the other end of the elastic sheet tilts relative to the insert 3, and after the insert 3 is placed into the saw blade guide slot of the tibia cutting assembly, a certain damping effect is generated between the elastic sheet 31 and the saw blade guide slot, so that the whole tibia probe is stable and cannot loosen.

The working principle of the invention is as follows: after confirming the osteotomy position of shin bone, cut the shin bone subassembly and be fixed in on the shin bone, use this shin bone probe, insert 3 in the saw bit guide slot of shin bone osteotomy subassembly, make probe body 1 be located shin bone near-end surface department, rotate and adjust structure 5, adjust the height of probe body 1, need adjust probe body 1 when the position of horizontal plane, the whole shin bone probe of skew can, when needing to adjust the flexible volume of probe body 1, it can to hold handheld pull ring 11 pulling probe body 1, until probe body 1 arranges in shin bone near-end suitable position department, look over scale 58, confirm the osteotomy volume of shin bone.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An adjustable height open tibial probe, comprising:

a probe body for probing or examining an osteotomy position of a tibia;

the cylinder is positioned on one side of the probe body and is perpendicular to the probe body;

the inserting piece is positioned at the lower end of the column body and is connected with the column body;

the linkage block is sleeved on the probe body and the column body;

and the adjusting structure is used for driving the linkage block to move along the column body in the vertical direction.

2. The adjustable height open tibial probe of claim 1, wherein said adjustment structure comprises:

the disc-shaped body is positioned on one side of the cylinder, which is far away from the probe body, and the linkage block is rotationally connected with the center of the disc-shaped body;

the vortex through groove is located on the disc-shaped body, a first pin is arranged in the vortex through groove, and the first pin is fixedly connected with the cylinder.

3. The adjustable height open tibial probe of claim 2, wherein said linkage block comprises:

the upper limiting block is positioned at the upper end of the probe body and is in contact with the probe body, and a first through hole is formed in the middle of the upper limiting block;

the lower limiting block is positioned at the lower end of the probe body and is arranged in contact with the probe body, and a second through hole is formed in the middle of the lower limiting block;

the upper limiting block is connected with the lower limiting block through a plate, and the column body penetrates through the first through hole and the second through hole.

4. The open tibial probe of claim 3, wherein said disk-shaped body has a plurality of grooves, said grooves are equally spaced along the center of said disk-shaped body, a side of said upper limiting block near said disk-shaped body has a post groove, said post groove has an elastic body and a ball, one end of said ball is located in said groove, said elastic body is in a compressed state.

5. The open tibial probe of claim 4, wherein said outer edge of said disk has a plurality of graduations, said graduations being equally spaced along the center of said disk, said graduations corresponding to said number of grooves.

6. The adjustable height open tibial probe of claim 4, wherein said upper restraint block has a second post disposed on a side thereof proximate to said disc-shaped body, said second post passing through said disc-shaped body, and said second post further having a C-shaped loop disposed thereon.

7. The adjustable height open tibial probe of claim 1, wherein said probe body is provided with a hand-held pull ring at one end.

8. The open tibial probe with adjustable height of claim 1, wherein a spring is disposed in the middle of the insertion plate, one end of the spring is connected to the insertion plate, and the other end of the spring tilts relative to the insertion plate.