CN210612165U

CN210612165U - Intervertebral minimally invasive surgery instrument

Info

Publication number: CN210612165U
Application number: CN201920848602.0U
Authority: CN
Inventors: 安岩; 田伟; 蒋继乐
Original assignee: Beijing Jishuitan Hospital
Current assignee: Beijing Jishuitan Hospital
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-05-26
Anticipated expiration: 2029-06-06

Abstract

The utility model provides an intervertebral minimal access surgery apparatus, intervertebral minimal access surgery apparatus includes sleeve pipe and supersound osteotome, the intraductal sleeve pipe passageway that is provided with of cover, the internal diameter of this passageway is greater than the diameter of supersound osteotome, can hold supersound osteotome, the sleeve pipe has sleeve pipe front end and sleeve pipe rear end, supersound osteotome follow sleeve pipe rear end entering, set up in the sleeve pipe passageway. The intervertebral minimally invasive surgical instrument can repair or cut off bones by using the ultrasonic osteotome when the sleeve runs in the body and meets the obstruction of waist bones, so that the sleeve runs in the body more smoothly; meanwhile, the device is also more beneficial to the repair of the skeleton at the focus part, and the treatment efficiency is improved.

Description

Intervertebral minimally invasive surgery instrument

The technical field is as follows:

the utility model relates to a medical instrument, in particular to a medical instrument for intervertebral minimally invasive surgery.

Background art:

the prolapse of intervertebral disc is a common disease, affects the movement of the patient and brings great pain to the patient. Conventionally, a channel is formed in the lumbar region using a transforaminal endoscope, and the herniated disc is removed by an instrument such as a grasper under observation with an endoscope.

However, the lumbar bones of the patient are often diseased, so that the advancement of the intervertebral foramen mirror or the access of instruments such as a grasper is often obstructed, and the treatment of the disease is affected.

Therefore, there is a need in the art for an instrument that allows a foraminoscope to be successfully advanced into a diseased area.

In view of this, the present invention is proposed.

The utility model has the following contents:

in order to solve the technical problem, the utility model provides an intervertebral minimal access surgery apparatus, intervertebral minimal access surgery apparatus includes sleeve pipe and supersound osteotome, the sleeve pipe has sleeve pipe front end, sleeve pipe rear end and sleeve pipe body, be provided with the sleeve pipe passageway in the sleeve pipe body, the internal diameter of this passageway is greater than the diameter of supersound osteotome, can hold supersound osteotome, supersound osteotome follow sleeve pipe rear end entering, set up in the sleeve pipe passageway.

By adopting the scheme, when the sleeve pipe runs in the body and meets the obstruction of the waist skeleton, the bone is repaired or cut by utilizing the ultrasonic osteotome, so that the sleeve pipe can run in the body more smoothly; meanwhile, the device is also more beneficial to the repair of the skeleton at the focus part, and the treatment efficiency is improved.

Preferably, the front end of the cannula is provided with a puncture tip. The puncture tip is arranged to facilitate the running of the cannula in the body.

One or more of a water inlet pipe, a pipette, an endoscope collecting pipe or a light tube is/are connected to the rear end of the sleeve, and the diameters of the water inlet pipe, the pipette, the endoscope collecting pipe or the light tube are all smaller than the inner diameter of the channel of the sleeve. The ultrasonic osteotome, the water inlet pipe, the pipette, the endoscope collecting pipe or the lamp line pipe passes through the inner channel of the sleeve and reaches the front end of the sleeve.

The setting of inlet tube can wash the operation face of internal operation, prevents to influence the sight, also can play the effect to the cooling of supersound osteotome simultaneously, prevents the internal tissue damage. The liquid suction pipe discharges the liquid at the operation position to prevent local liquid accumulation.

The endoscope collecting tube can collect images on an operation surface to assist a doctor in operation, and meanwhile, the arrangement of the light tube can increase local brightness and improve the definition of image collection.

Preferably, the minimally invasive intervertebral surgical instrument further comprises an open-circuit cone, wherein the open-circuit cone is connected with the inlet from the rear end of the sleeve, enters the sleeve channel and reaches the front end of the sleeve, and is used for inserting the sleeve along the soft tissue channel to reach the articular process and then opening a bone hole on the articular process. The diameter of the open-circuit cone is smaller than the inner diameter of the sleeve passage.

Preferably, the minimally invasive intervertebral surgical instrument further comprises an anchor needle, the diameter of the anchor needle is the same as that of the open cone, and the anchor needle is used for being inserted into a bone hole of the articular process along a sleeve and penetrating the articular process along an angle entering a vertebral canal to reach the vertebral canal shaped osteogenesis canal after the open cone is pulled out.

Preferably, at least two access ports are arranged at the rear end of the sleeve, so that the ultrasonic osteotome and other instruments enter the sleeve from different access ports. Because the ultrasonic osteotome has a larger cross-sectional area and is operated in a different manner than other instruments during surgery, separating the ultrasonic osteotome from the access ports of other instruments makes the surgical procedure more efficient.

Preferably, the sleeve channel comprises an instrument channel and an optical channel, the endoscope collecting tube or the lamp wire tube passes through the optical channel, and the water inlet tube, the pipette and the ultrasonic osteotome pass through the instrument channel, so that the optical instrument and other instruments are not fixed together any more, the operation can be carried out in different directions respectively, no interference occurs, and the technical effect of optimizing the surgical field of view is achieved. Meanwhile, the water inlet pipe and the ultrasonic osteotome are ensured to be in the same channel, and the cooling effect of the water inlet pipe on the ultrasonic osteotome is improved.

Preferably, the sleeve pipe body is fixed with movable first separation blade, second separation blade. When the instrument needs to be sent into the sleeve passage, the first blocking piece and the second blocking piece are moved to seal the instrument passage or the optical passage, so that the instrument can accurately enter the designated passage, the operation accuracy is improved, and the working efficiency of the intervertebral minimally invasive surgical instrument is improved.

Preferably, the first blocking piece and the second blocking piece are arranged at inlets of the instrument channel and the optical channel.

Preferably, the end parts of the first blocking piece and the second blocking piece are provided with convex ribs, and the convex ribs can facilitate the movement of the blocking pieces of a user and facilitate the lifting and inserting of the blocking pieces.

The ultrasonic osteotome comprises an osteotome head at the front end, an osteotome tail for holding or fixing at the rear end, and an osteotome body for connecting the osteotome head and the osteotome tail. The blade is relatively long so that it may be placed in the cannula passageway and into the patient to reach the surgical site.

The cutter head is detachably arranged on the cutter body, a user can replace different cutter heads according to needs, and the cutter head is selected from but not limited to a wolf tooth stick type, a spoon type, a blade type, a round head type and a flat head type.

The utility model has the advantages that:

1. the utility model provides an intervertebral minimal access surgery apparatus can make the sleeve pipe when internal advancing to meet the hindrance of waist skeleton, utilizes supersound osteotome to restore or excise the skeleton, makes the sleeve pipe more smooth when internal advancing.

2. The utility model provides an intervertebral minimal access surgery apparatus through the setting of inlet tube, can improve the definition in operation field of vision, also can play the effect to the cooling of supersound osteotome simultaneously, prevents the damage of internal tissue.

3. The utility model provides an intervertebral minimal access surgery apparatus through set up apparatus passageway, optical channel in the sleeve pipe passageway, can make optical instrument not receive the interference of other apparatus, reaches the technological effect of optimizing the operation field of vision.

Description of the 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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only 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 schematic view of a bushing according to a first embodiment of the present invention;

FIG. 2 is a schematic view of a second embodiment of the present invention;

FIG. 3 is a cross-sectional view of one embodiment of a cannula of the present invention in use;

FIG. 4 is a cross-sectional view of another embodiment cannula of the device of the present invention in use;

FIG. 5 is a sectional view of a third embodiment of the present invention;

FIG. 6 is a cross-sectional view of a fourth embodiment of the sleeve according to the present invention;

FIG. 7 is a diagram illustrating a fourth embodiment of the present invention;

fig. 8 is a schematic view of the ultrasonic osteotome provided by the present invention.

Description of the reference numerals

1. A sleeve; 11. a cannula front end; 111. a piercing tip; 12. a rear end of the sleeve; 121. a first access port; 122. a second access port; 13. a cannula body; 131. a cannula passageway; 1311. a cannula instrument channel; 1312. a ferrule optical channel; 2. ultrasonic bone knife; 21. a cutter head; 22. a blade body; 23. a cutter tail; 3. a water inlet pipe; 4. a pipette; 5. an endoscope collection tube; 6. a light pipe; 71. a first baffle plate; 72. a second baffle plate.

Through the above reference sign explanation, combine the embodiment of the utility model, can more clearly understand and explain the technical scheme of the utility model.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

The present invention will be described in detail below by way of examples.

As shown in fig. 1, in an embodiment of the present invention, an intervertebral minimally invasive surgical instrument is provided, the intervertebral minimally invasive surgical instrument includes a cannula 1 and an ultrasonic osteotome 2, the cannula 1 includes a cannula front end 11, a cannula rear end 12 and a cannula tube body 13. A cannula passage 131 is formed inside the cannula tube 13, the cannula rear end 12 includes a first access port 121, and the ultrasonic bone knife 2 enters the cannula passage 131 through the first access port 121 and reaches the cannula front end 11 to perform a cutting operation on bone tissue. With continued reference to fig. 1, the cannula forward end 11 is provided with a piercing tip 111 for piercing the skin or tissue to provide for efficient advancement of the cannula 1 within the body.

Further, as shown in fig. 3, in an embodiment of the present invention, the minimally invasive intervertebral surgical device further includes an operation device and an optical device, such as a water inlet tube 3, a pipette 4, an endoscope collecting tube 5, and a light tube 6, wherein the operation device and the optical device enter the cannula passage 131 through the first access port 121 and reach the cannula front end 11 for performing corresponding operations.

As shown in fig. 2, in a preferred embodiment of the present invention, the cannula rear end 12 further includes a second access port 122, the second access port 122 is communicated with the cannula passageway 131, the ultrasonic osteotome 2 and other instruments enter the cannula 1 from different access ports, such as the ultrasonic osteotome 2 enters the cannula passageway 131 through the first access port 121, and the water inlet tube 3, the pipette 4, the endoscope collecting tube 5 or the light line tube 6 enters the cannula passageway 131 through the second access port 122, because the cross-sectional area of the ultrasonic osteotome 2 is often larger, and the operation mode is different from that of other instruments in the operation, the separation of the ultrasonic osteotome 2 from the access ports of other instruments can make the operation process more efficient.

As shown in fig. 4 and 5, in a preferred embodiment of the present invention, the cannula passage 131 includes an instrument passage 1311 and an optical passage 1312, the endoscope collecting tube 5 or the lamp line tube 6 reaches the cannula front end 11 through the optical passage 1312, and the water inlet tube 3, the pipette 4 and the ultrasonic osteotome 2 reach the cannula front end 11 through the instrument passage 1311, so that the optical instrument and other instruments are no longer fixed together, and can be operated in different directions, and no mutual interference occurs, thereby ensuring good operation of the optical instrument, optimizing the surgical field, and simultaneously ensuring that the water inlet tube 3 and the ultrasonic osteotome 2 are in the same passage, and ensuring the cooling effect of the water inlet tube 3 on the ultrasonic osteotome 2. Those skilled in the art will appreciate that cannula channel 131 may be provided with instrument channel 1311, optical channel 1312, whether one or two access ports are provided at cannula rear end 12.

Further, as shown in fig. 6, in a preferred embodiment of the present invention, the cannula body 13 is fixed with a movable first blocking plate 71 and a movable second blocking plate 72, and the first blocking plate 71 and the second blocking plate 72 are disposed at the entrance of the instrument channel 1311 and the optical channel 1312. As shown in fig. 7, when the endoscope collection tube 5 or the light wire tube 6 needs to be introduced into the cannula tube body 13, the first blocking piece 71 is moved to close the instrument channel 1311, and at this time, the endoscope collection tube 5 or the light wire tube 6 is introduced, so that the optical device can enter the optical channel 1312 more accurately, and the optical device is prevented from entering the instrument channel 1311, thereby improving the operation accuracy and the working efficiency of the minimally invasive intervertebral surgical instrument.

Further, the minimally invasive intervertebral surgical instrument may further include an open-circuit awl (not shown in the figures), which enters the cannula passage 131 from the access port at the rear end 12 of the cannula to the front end 11 of the cannula, and is used for inserting the cannula 1 along the soft tissue passage to reach the articular process, and then opening a bone hole on the articular process. The open cone diameter is smaller than the inner diameter of the cannula passage 131. Further, the minimally invasive intervertebral surgical instrument may further include an anchor needle (not shown) having a diameter identical to that of the open cone, and after the open cone is extracted, the anchor needle may be inserted into a bone hole of the articular process along the cannula 1, and penetrate the articular process along an angle into the vertebral canal to reach the vertebral canal shaped osteogenesis canal.

As shown in fig. 8, the ultrasonic osteotome 2 includes a cutting head 21 at a front end, a cutting head 23 at a rear end for holding or fixing, and a cutting body 22 connecting the cutting head 21 and the cutting head 23. When the minimally invasive intervertebral surgical instrument is used, the puncture tip 111 at the front end 11 of the sleeve is firstly utilized to puncture and advance in skin or tissues, when the sleeve 1 is blocked by hyperplastic bones in advancing or reaches a bone focus to be repaired, a user operates the cutter head 21 to enter the sleeve channel 131 from the access port at the rear end 12 of the catheter and reach the front end 11 of the sleeve to repair the bones, so that the purpose of treating intervertebral lesions is achieved. Further, the tool bit 21 is detachably installed on the blade body 22, and a user can replace the tool bit of the osteotome with a wolf tooth stick type, a spoon type, a blade type, a round head type, a flat head type and the like according to different conditions of a patient, so that the effect of treating intervertebral lesions with higher efficiency is achieved.

It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made to the present invention, and these improvements and modifications also fall into the protection scope of the claims of the present invention.

Claims

1. An intervertebral minimally invasive surgical instrument is characterized in that: the intervertebral minimally invasive surgery instrument comprises a sleeve (1) and an ultrasonic osteotome (2), wherein the sleeve is provided with a sleeve front end (11), a sleeve rear end (12) and a sleeve pipe body (13), a sleeve pipe channel (131) is arranged in the sleeve pipe body (13), the inner diameter of the channel is larger than the diameter of the ultrasonic osteotome (2), the ultrasonic osteotome (2) can be accommodated, and the ultrasonic osteotome (2) enters from the sleeve rear end (12) and is arranged in the sleeve pipe channel (131).

2. The intervertebral minimally invasive surgical instrument of claim 1, wherein: the front end (11) of the sleeve is provided with a puncture tip.

3. The intervertebral minimally invasive surgical instrument of claim 1, wherein: the sleeve is characterized in that one or more of a water inlet pipe (3), a pipette (4), an endoscope collection pipe (5) or a light wire pipe (6) are connected to the rear end (12) of the sleeve, the diameters of the water inlet pipe (3), the pipette (4), the endoscope collection pipe (5) or the light wire pipe (6) are all smaller than the inner diameter of the sleeve channel (131), and the ultrasonic osteotome (2), the water inlet pipe (3), the pipette (4), the endoscope collection pipe (5) or the light wire pipe (6) penetrate through the sleeve channel (131) and reach the front end (11) of the sleeve.

4. The intervertebral minimally invasive surgical instrument of claim 1, wherein: the minimally invasive intervertebral surgical instrument further comprises an open cone, wherein the open cone enters the sleeve channel (131) from the rear end (12) of the sleeve and reaches the front end (11) of the sleeve, and the diameter of the open cone is smaller than the inner diameter of the sleeve channel (131).

5. The intervertebral minimally invasive surgical instrument of claim 1, wherein: the rear end (12) of the sleeve is provided with at least two access ports.

6. The minimally invasive intervertebral surgical instrument of claim 3, wherein: the cannula channel (131) comprises an instrument channel (1311), an optical channel (1312).

7. The minimally invasive intervertebral surgical instrument of claim 6, wherein: the endoscope collecting pipe (5) or the lamp line pipe (6) is communicated with the optical channel (1312), and the diameter of the endoscope collecting pipe (5) or the lamp line pipe (6) is smaller than that of the optical channel (1312); the water inlet pipe (3), the pipette (4) and the ultrasonic osteotome (2) are communicated with the instrument channel (1311), and the diameters of the water inlet pipe (3), the pipette (4) and the ultrasonic osteotome (2) are all smaller than the diameter of the instrument channel (1311).

8. The intervertebral minimally invasive surgical instrument of claim 7, wherein: the movable first blocking piece (71) and the movable second blocking piece (72) are fixed on the cannula tube body (13), and the first blocking piece (71) and the second blocking piece (72) are arranged at inlets of the instrument channel (1311) and the optical channel (1312).

9. The intervertebral minimally invasive surgical instrument of claim 1, wherein: the ultrasonic osteotome (2) comprises a scalpel head (21) at the front end, a scalpel tail (23) at the rear end for holding or fixing, and a scalpel body (22) connecting the scalpel head and the scalpel tail.

10. The minimally invasive intervertebral surgical instrument of claim 9, wherein: the cutter head (21) is detachably arranged on the cutter body (22).