CN217886117U - Novel tubular rotatable vertebral lamina rongeur device - Google Patents
Novel tubular rotatable vertebral lamina rongeur device Download PDFInfo
- Publication number
- CN217886117U CN217886117U CN202221618493.1U CN202221618493U CN217886117U CN 217886117 U CN217886117 U CN 217886117U CN 202221618493 U CN202221618493 U CN 202221618493U CN 217886117 U CN217886117 U CN 217886117U
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- handle
- sleeve
- main body
- locking device
- rongeur
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- 241000283984 Rodentia Species 0.000 title claims abstract description 50
- 238000004140 cleaning Methods 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 27
- 239000010959 steel Substances 0.000 claims description 27
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 7
- 238000002684 laminectomy Methods 0.000 claims description 4
- 210000000080 chela (arthropods) Anatomy 0.000 abstract description 7
- 206010011409 Cross infection Diseases 0.000 abstract description 5
- 206010029803 Nosocomial infection Diseases 0.000 abstract description 5
- 230000007170 pathology Effects 0.000 abstract description 3
- 238000001356 surgical procedure Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 208000020307 Spinal disease Diseases 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 210000001951 dura mater Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000399 orthopedic effect Effects 0.000 description 2
- 210000000278 spinal cord Anatomy 0.000 description 2
- 210000001032 spinal nerve Anatomy 0.000 description 2
- 208000003618 Intervertebral Disc Displacement Diseases 0.000 description 1
- 208000007103 Spondylolisthesis Diseases 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000003412 degenerative effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 238000002271 resection Methods 0.000 description 1
- 208000005198 spinal stenosis Diseases 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model relates to a novel tubular rotatable vertebral plate rongeur device, which comprises a handle device and a forceps main body device, wherein the forceps main body device is clamped into the handle device and is clamped and fixed with a forceps main body locking device through a handle locking device; the pliers main body device comprises a fixed pliers head, a movable pliers head, a sleeve and a connecting rod assembly, the fixed pliers head is connected with the sleeve, a positioning groove is formed in the fixed pliers head, the movable pliers head slides in the positioning groove of the fixed pliers head, the connecting rod assembly is inserted into the sleeve and is further connected with the movable pliers head, and the tail end of the connecting rod assembly is clamped into the handle device. By adopting the novel tubular rotatable vertebral plate rongeur of the utility model, the disassembly is convenient, the connection is effective, the cleaning at the later stage of the product is convenient, and the cross infection probability of the operation is reduced; can change the opening direction that rongeur kept silent through rotating pincers main part device, make the doctor nimble more simple and convenient when doing the operation, save the operation time, can go out excision and deep operation of small pathology, clinical use is convenient and fast more.
Description
Technical Field
The utility model relates to the field of surgical instruments, in particular to a novel tubular rotatable vertebral plate rongeur device, belonging to the field of vertebral plate rongeur.
Background
The vertebral plate rongeur is mainly used in spinal surgery, and exposure of spinal nerves by removing vertebral plates is a key step for successful surgery.
Degenerative spinal diseases are the most common types of all spinal disorders, and the common types are herniated discs, spinal stenosis, and spondylolisthesis, which share the common feature of causing compression of the dura mater or nerve roots, thus requiring laminectomy and decompression procedures. It is well known that there are numerous blood vessels, spinal cords and nerves around the spine, so that spinal surgery cannot be performed with a broad axe as in conventional orthopedic surgery, and a light and advantageous tool is often required for the separate resection of the spine from the surrounding tissue. Rongeur, vertebral plate rongeur, drum pounding and abrasive drilling are common instruments used in the operation. In addition, because of the presence of the dura mater and spinal cord below the vertebral plate, the vertebral plate rongeur is the most important tool in the final opening of the spinal canal.
The existing vertebral plate rongeur used clinically has the following defects: the angle of rotation can not be rotated to the claw pole, and the opening direction that causes keeping silent is fixed, and the art person like this wants to change the direction of keeping silent, can only make the position of whole vertebral plate rongeur take place to rotate through rotatory arm to reach the purpose that changes the direction of keeping silent, like this medical personnel need often change the arm position, and the operation is inconvenient, and the degree of difficulty is big when carrying out the cutting operation at special angle position, influences patient's treatment effect of performing the operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects of the prior art and providing a novel tubular rotatable vertebral plate rongeur device which has simple structure, convenient operation and wide application range.
In order to achieve the above purpose, the novel tubular rotatable vertebral plate rongeur of the utility model comprises the following components:
the novel tubular rotatable vertebral plate rongeur is mainly characterized in that the device comprises a handle device and a forceps main body device, wherein the forceps main body device is clamped into the handle device and is clamped and fixed with a forceps main body locking device through a handle locking device; the pliers main body device comprises a sleeve and a sleeve clamping column, the handle device comprises a sleeve, a handle bayonet and a left handle, the sleeve is sleeved outside the handle bayonet, the sleeve clamping column is arranged outside the sleeve, a chuck of the handle bayonet exposed out of the sleeve corresponds to a limiting groove of the sleeve clamping column, and the chuck is clamped into the limiting groove; the right end of the forceps main body device is in contact with the top end of the left handle and has a certain pre-compression force.
Preferably, the forceps main body device comprises a forceps main body locking device, the forceps main body locking device is arranged outside the sleeve, the forceps main body locking device consists of a limiting groove and a positioning groove, and the limiting groove and the positioning groove are both arranged on the sleeve clamping column;
the handle device include handle locking device, handle locking device constitute by steel ball and spacing post, the steel ball embedding is in the round hole of handle bayonet socket, the inner wall of protrusion handle bayonet socket, the steel ball roll around in telescopic hole and handle bayonet socket clearance, telescopic inside be equipped with spacing post, sleeve and handle bayonet socket pass through spacing post and be connected, the one end and the sleeve welding of spacing post, the other end inserts the oval inslot of handle bayonet socket, slides in the oval inslot along with telescopic motion.
Preferably, under the state that the clamp main body locking device and the handle locking device are locked, the limiting column is clamped in the limiting groove, and the steel ball is clamped in the positioning groove; and under the state that the clamp main body locking device and the handle locking device are released, the positioning block is separated from the limiting groove, the steel balls slide out from the positioning grooves, and the handle device is separated from the clamp main body device.
Preferably, the handle device further comprises a right handle, the right handle is connected with the left handle through a screw, the front end of the left handle swings left and right in the groove of the right handle, and the right end of the handle bayonet is welded with the right handle.
Preferably, the handle device further comprises an inner spring, the inner spring is wound on the handle bayonet, the sleeve has a certain space inside, and the inner spring is contracted and contracted in the inner space of the sleeve.
Preferably, the main body device of the pliers further comprises a fixed pliers head, a movable pliers head and a connecting rod assembly, the fixed pliers head is connected with the sleeve, the fixed pliers head is provided with a positioning groove, the movable pliers head slides in the positioning groove of the fixed pliers head, and the connecting rod assembly is inserted into the sleeve and is also connected with the movable pliers head.
Preferably, the pliers main body device further comprises a spring, the spring is sleeved on the connecting rod assembly, and a spring compression stroke is formed between the spring and an inner hole of the sleeve clamping column.
Preferably, the forceps main body device further comprises a cleaning interface, and the cleaning interface is connected with the sleeve.
By adopting the novel tubular rotatable vertebral plate rongeur of the utility model, the disassembly is convenient, the connection is effective, the cleaning at the later stage of the product is convenient, and the cross infection probability of the operation is reduced; the parts can be replaced independently when damaged, so that the environment is saved and protected. The forceps main body device is matched with the handle device, and under the condition that the direction of the handle is not changed, the opening direction of the jaw of the rongeur can be changed by rotating the forceps main body device, so that a doctor can perform an operation more flexibly and conveniently, and the operation time is saved. The forceps main body device adopts the thin rod to enable the rongeur to perform excision of small pathology and deep operation, and clinical use is more convenient and faster.
Drawings
Fig. 1 is a schematic view of the overall structure of the novel tubular rotatable vertebral plate rongeur of the present invention.
Fig. 2 is a schematic structural view of the main body device of the novel tubular rotatable vertebral plate rongeur of the present invention.
Fig. 3 is a schematic structural view of the handle device of the novel tubular rotatable vertebral plate rongeur of the present invention.
Fig. 4a is a schematic view of the handle bayonet and the sleeve of the novel tubular rotatable vertebral plate rongeur of the present invention.
Fig. 4b isbase:Sub>A schematic cross-sectional view in the directionbase:Sub>A-base:Sub>A in fig. 4base:Sub>A.
Fig. 5a is a schematic view of the novel tubular rotatable vertebral plate rongeur of the present invention after applying a force to the sleeve.
Fig. 5b isbase:Sub>A schematic cross-sectional view in the directionbase:Sub>A-base:Sub>A in fig. 5base:Sub>A.
Fig. 6a is a schematic view of the novel tubular rotatable vertebral plate rongeur of the present invention after the force applied to the sleeve is removed.
Fig. 6b isbase:Sub>A schematic cross-sectional view in the directionbase:Sub>A-base:Sub>A in fig. 6base:Sub>A.
Fig. 7a is a schematic view of the chuck of the novel tubular rotatable vertebral plate rongeur of the present invention being clamped into the limiting groove.
Fig. 7b isbase:Sub>A schematic cross-sectional view in the directionbase:Sub>A-base:Sub>A in fig. 7base:Sub>A.
Fig. 8a is a schematic view of the sleeve locking post of the novel tubular rotatable laminectomy rongeur of the present invention.
Fig. 8b is a cross-sectional view of the sleeve clamp column of the novel tubular rotatable vertebral plate rongeur of the present invention.
Fig. 8c is a side view of the sleeve clamp post of the novel tubular rotatable laminectomy rongeur of the present invention.
Fig. 9a is a schematic view of the handle bayonet of the novel tubular rotatable vertebral plate rongeur of the present invention.
Fig. 9b is a cross-sectional view of the handle bayonet of the novel tubular rotatable vertebral plate rongeur of the present invention.
Fig. 9c is a side view of the handle bayonet of the novel tubular rotatable vertebral plate rongeur of the present invention.
Reference numerals:
1. fixed binding clip
2. Movable binding clip
3. Sleeve pipe
4. Cleaning interface
5. Sleeve clamping column
6. Connecting rod assembly
7. Spring
8. Sleeve barrel
9. Steel ball
10. Handle bayonet
11. Limiting column
12. Internal spring
13. Right handle
14. Screw nail
15. Left handle
16. Limiting groove
17. Locating slot
18. Chuck head
Detailed Description
In order to more clearly describe the technical content of the present invention, the following further description is made in conjunction with specific embodiments.
The novel tubular rotatable vertebral plate rongeur comprises a handle device and a tong main body device, wherein the tong main body device is clamped into the handle device and is clamped and fixed with a tong main body locking device through a handle locking device; the pliers main body device comprises a sleeve and a sleeve clamping column, the handle device comprises a sleeve, a handle bayonet and a left handle, the sleeve is sleeved outside the handle bayonet, the sleeve clamping column is arranged outside the sleeve, a clamping head of the handle bayonet exposed outside the sleeve corresponds to a limiting groove of the sleeve clamping column, and the clamping head is clamped into the limiting groove; the right end of the forceps main body device is in contact with the top end of the left handle and has a certain pre-compression force.
As a preferred embodiment of the present invention, the forceps main body device includes a forceps main body locking device, the forceps main body locking device is disposed outside the casing, the forceps main body locking device is composed of a limiting groove and a positioning groove, and the limiting groove and the positioning groove are both disposed on the casing clamping column;
the handle device include handle locking device, handle locking device constitute by steel ball and spacing post, the steel ball embedding is in the round hole of handle bayonet socket, the inner wall of protrusion handle bayonet socket, the steel ball roll around in telescopic hole and handle bayonet socket clearance, telescopic inside be equipped with spacing post, sleeve and handle bayonet socket pass through spacing post and be connected, the one end and the sleeve welding of spacing post, the other end inserts the oval inslot of handle bayonet socket, slides in the oval inslot along with telescopic motion.
As a preferred embodiment of the present invention, in a state where the forceps main body locking device and the handle locking device are locked, the limiting post is engaged in the limiting groove, and the steel ball is engaged in the positioning groove; and under the state that the clamp main body locking device and the handle locking device are released, the positioning block is separated from the limiting groove, the steel balls slide out from the positioning grooves, and the handle device is separated from the clamp main body device.
As the utility model discloses a preferred embodiment, the handle device still includes the right hand handle, right hand handle and left handle pass through the screw connection, the inslot horizontal hunting at right handle of the front end of left hand handle, the right-hand member and the right handle welding of handle bayonet socket.
As a preferred embodiment of the present invention, the handle device further includes an inner spring, the inner spring is wound around the handle bayonet, the inside of the sleeve has a certain space, and the inner spring is retractable in the inner space of the sleeve.
As the utility model discloses a preferred embodiment, pincers main part device including still fixed binding clip, activity binding clip and link assembly, fixed binding clip and bushing, fixed binding clip be equipped with the constant head tank, activity binding clip slide in the constant head tank of fixed binding clip, link assembly insert in the sleeve pipe, still with activity binding clip connect.
As the preferred embodiment of the present invention, the pliers main body further comprises a spring, the spring is sleeved on the connecting rod assembly, and the spring and the inner hole of the sleeve clamping column are compressed by the spring.
As the preferred embodiment of the utility model, the forceps main body device further comprises a cleaning interface, and the cleaning interface is connected with a sleeve.
The utility model provides a rotatable tubular vertebral plate rongeur with an adjustable head direction in a specific embodiment. It is mainly suitable for orthopedic surgery. The utility model discloses a handle device and pincers main part device, its structural feature is handle device and pincers main part device set to dismantlement formula structure, but rotation angle, both carry out the joint to fix through handle locking device and pincers main part locking device. The utility model has the advantages of reasonable design, pincers main part device can be dismantled with pincers handle device, conveniently washs and the disinfection, has avoided the cross infection between the patient. The rotatable angle of the forceps main body device is clamped with the forceps handle device, the direction of the jaws is changed, and the clinical use is convenient and flexible.
The device has the following specific technical scheme: a tubular rotatable vertebral plate rongeur comprises two parts: handle means and pliers body means. The main body device of the pliers comprises a movable pliers head 2, a fixed pliers head 1, a connecting rod assembly 6, a cleaning interface 4, a locking device and a sleeve 3.
As shown in figure 1, the forceps main body device is clamped into the handle device, the right end of the forceps main body device is in contact with the top end of the left handle, and certain pre-compression force is provided, when the sleeve moves rightwards, the pre-compression force ejects the forceps main body device, so that the limiting groove of the sleeve clamping column is separated from the clamping head of the handle bayonet, the forceps main body device rotates 180 degrees and is clamped again, and the opening direction of the forceps head is changed.
As shown in fig. 2, the movable binding clip 2 is connected with the connecting rod assembly 6, the connecting rod assembly 6 is inserted into the sleeve 3, the fixed binding clip 1 is connected with the sleeve 3, the fixed binding clip 1 is provided with a positioning groove, and the movable binding clip 2 slides in the positioning groove to form a bite-cutting motion track. The locking device is arranged outside the sleeve 3 and is provided with a limiting groove and a positioning groove.
The cleaning interface 4 is connected with the sleeve 3 to form a device. The sleeve clamping column 5 is arranged outside the sleeve 3, and the spring 7 sleeves the connecting rod component 6 and forms a compression stroke of the spring 7 with an inner hole of the sleeve clamping column 5. When the connecting rod assembly 6 drives the movable tong head 2 to be pushed forwards in the sleeve 3, the spring 7 is compressed, and the movable tong head 2 is bitten and cut with the fixed tong head 1. After release, the movable binding clip 2 is separated from the fixed binding clip 1 due to the resilience of the spring 7.
As shown in fig. 3, the handle means comprises a locking means, a left handle 15 and a right handle 13. The limiting groove and the positioning groove in the rod part locking device are arranged corresponding to the positioning block and the steel ball 9 in the handle, when the locking device is locked, the positioning block is clamped in the limiting groove, the steel ball 9 is clamped in the positioning groove, when the locking button is released, the positioning block is separated from the limiting groove, and the steel ball 9 slides out of the positioning groove. The handle device is separated from the rod device, and the rod part can be linked and locked with the handle device again through a rotating angle.
The right handle 13 is connected with the left handle 15 by a screw 14. The left handle 15 swings left and right in the groove of the right handle 13 to form reciprocating motion. Handle bayonet 10 and right handle 13 welding together, spring 12 twines at handle bayonet 10, and sleeve 8 overlaps outside handle bayonet 10, and the hole of sleeve 8 and sleeve 8 form certain space, make spring 12 can contract. The steel ball 9 also rolls back and forth in the gap between the inner hole of the sleeve 8 and the handle bayonet 10. The limiting column 11 is used for limiting the sleeve 8 to move left and right outside the handle bayonet 10 and preventing the sleeve 8 from sliding out.
The sleeve 8 is forced to move rightwards along the handle mount 10, and the inner spring 12 compresses to expose the handle mount 10. The main body device of the pliers is inserted into an inner hole of the handle bayonet 10, the limiting groove and the positioning groove in the sleeve clamping column 5 are arranged corresponding to the handle bayonet 10 and the steel ball 9, when the locking device is locked, the positioning block is clamped in the limiting groove, and the steel ball 9 is clamped in the positioning groove, so that the pliers can be prevented from rotating and falling off. When the locking button is released, the positioning block is separated from the limiting groove, and the steel ball 9 slides out from the positioning groove. The handle device is separated from the forceps main body device, and the rod-part forceps main body device can be linked and locked with the handle device again through a rotating angle.
As shown in fig. 4a and 4b, the right-hand member and the right handle welding of handle bayonet socket, inside spring winding are on the handle bayonet socket, and the steel ball embedding is in the round hole of handle bayonet socket, and the inner wall of protrusion handle bayonet socket, sleeve cover are in the outside of handle bayonet socket to spacing post connection, spacing post one end and sleeve welding, the other end inserts the oval inslot of handle bayonet socket, slides in the oval inslot along with telescopic motion.
As shown in figures 5a and 5b, the sleeve is moved rightwards by applying force, the internal spring is compressed, and the steel ball falls back into the deep groove of the sleeve by the acting force of the inclined surface, so that the steel ball is lower than the inner surface of the bayonet of the handle but still in the round hole of the bayonet of the handle. Along with the movement of the sleeve, the limiting column slides to the right end from the left end of the waist round hole of the handle bayonet, so that the left end of the handle bayonet is exposed out of the sleeve opening.
As shown in fig. 6a and 6b, when the force is removed, the sleeve moves leftwards due to the resilience force of the compressed inner spring, the limiting column slides leftwards from the waist Kong Youduan of the bayonet of the handle along with the movement of the sleeve, the steel ball slides inwards due to the acting force of the inclined surface, protrudes out of the inner surface of the bayonet of the handle, is embedded into the positioning groove of the clamping column of the sleeve, and prevents the clamp main body device from sliding out.
As shown in fig. 7a and 7b, the head of the handle bayonet exposed outside the sleeve corresponds to the limit groove of the sleeve locking post, and is locked in the groove to prevent the rotation of the forceps main body device. Fig. 8 is a schematic view of the sleeve snap. Fig. 9 shows a bayonet view of the handle.
The utility model belongs to the technical field of medical instrument, concretely relates to rotatory vertebral plate rongeur of tubular divides two parts: handle means and pliers body means. The main body device of the pliers has two specifications which are respectively
And
the handle device is matched with the handle device, can be interchanged, and is more economical and environment-friendly.
The forceps main body device is clamped into the handle device, the connecting rod moves along the sleeve 3 through expansion of the handle, the movable forceps head 2 slides in the positioning groove of the fixed forceps head 1, and biting and cutting are completed. The clamp body device is slid out through the locking device. The forceps main body device is rotated by 180 degrees and then is clamped into the handle device, and the direction of the forceps jaws is changed.
The forceps main body device is matched with the handle device, and under the condition that the direction of the handle is not changed, the opening direction of the jaw of the rongeur can be changed by rotating the forceps main body device, so that a doctor can perform an operation more flexibly and conveniently, and the operation time is saved. The forceps main body device is provided with a cleaning interface, so that the cleaning at the later stage of the product is facilitated, and the cross infection probability of the operation is reduced.
For a specific implementation of this embodiment, reference may be made to the relevant description in the above embodiments, which is not described herein again.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that, in the description of the present invention, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means at least two unless otherwise specified.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
By adopting the novel tubular rotatable vertebral plate rongeur of the utility model, the disassembly is convenient, the connection is effective, the cleaning at the later stage of the product is convenient, and the cross infection probability of the operation is reduced; the parts can be replaced independently when damaged, so that the environment is saved and protected. The forceps main body device is matched with the handle device, and under the condition that the direction of the handle is not changed, the opening direction of the jaw of the rongeur can be changed by rotating the forceps main body device, so that a doctor can perform an operation more flexibly and conveniently, and the operation time is saved. The main body device of the rongeur adopts the thin rod to ensure that the rongeur can perform excision of small pathology and deep operation, and the rongeur is more convenient and faster to use clinically.
In this specification, the invention has been described with reference to specific embodiments thereof. It will, however, be evident that various modifications and changes may be made thereto without departing from the broader spirit and scope of the invention. The specification and drawings are, accordingly, to be regarded in an illustrative rather than a restrictive sense.
Claims (8)
1. A novel tubular rotatable vertebral plate rongeur device is characterized by comprising a handle device and a forceps main body device, wherein the forceps main body device is clamped into the handle device and is clamped and fixed with a forceps main body locking device through a handle locking device; the pliers main body device comprises a sleeve and a sleeve clamping column, the handle device comprises a sleeve, a handle bayonet and a left handle, the sleeve is sleeved outside the handle bayonet, the sleeve clamping column is arranged outside the sleeve, a chuck of the handle bayonet exposed out of the sleeve corresponds to a limiting groove of the sleeve clamping column, and the chuck is clamped into the limiting groove; the right end of the forceps main body device is in contact with the top end of the left handle and has a certain pre-compression force.
2. The novel tubular rotatable vertebral plate rongeur device of claim 1, wherein the clamp body device comprises a clamp body locking device, the clamp body locking device is arranged outside the sleeve, the clamp body locking device consists of a limiting groove and a positioning groove, and the limiting groove and the positioning groove are both arranged on the sleeve clamping column; the handle device include handle locking device, handle locking device constitute by steel ball and spacing post, the steel ball embedding is in the round hole of handle bayonet socket, the inner wall of protrusion handle bayonet socket, the steel ball roll around in telescopic hole and handle bayonet socket clearance, telescopic inside be equipped with spacing post, sleeve and handle bayonet socket pass through spacing post and be connected, the one end and the sleeve welding of spacing post, the other end inserts the oval inslot of handle bayonet socket, slides in the oval inslot along with telescopic motion.
3. The novel tubular rotatable laminectomy rongeur device of claim 2, wherein the retaining post is engaged in the retaining groove and the steel ball is engaged in the positioning groove in a state that the clamp body locking device and the handle locking device are locked; and under the state that the clamp main body locking device and the handle locking device are released, the positioning block is separated from the limiting groove, the steel balls slide out from the positioning grooves, and the handle device is separated from the clamp main body device.
4. The novel tubular rotatable lamina rongeur device of claim 1, wherein the handle means further comprises a right handle, the right handle is connected with the left handle through a screw, the front end of the left handle swings left and right in the groove of the right handle, and the right end of the handle bayonet is welded with the right handle.
5. The novel tubular rotatable laminar rongeur device of claim 4, wherein said handle means further comprises an internal spring, said internal spring is wound around the handle bayonet, the interior of said sleeve has a space, and said internal spring is retractable in the interior space of said sleeve.
6. The novel tubular rotatable vertebral plate rongeur device according to claim 1, wherein the forceps main body device comprises a fixed forceps head, a movable forceps head and a connecting rod assembly, the fixed forceps head is connected with a sleeve, the fixed forceps head is provided with a positioning groove, the movable forceps head slides in the positioning groove of the fixed forceps head, and the connecting rod assembly is inserted into the sleeve and is also connected with the movable forceps head.
7. The novel tubular rotatable laminar rongeur device of claim 6, wherein the clamp body means further comprises a spring, the spring is sleeved on the connecting rod assembly, and a spring compression stroke is formed between the spring and an inner hole of the sleeve clamping column.
8. The novel tubular rotatable lamina rongeur device of claim 1 wherein the clamp body means further comprises a cleaning port, the cleaning port being connected to a cannula.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221618493.1U CN217886117U (en) | 2022-06-27 | 2022-06-27 | Novel tubular rotatable vertebral lamina rongeur device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221618493.1U CN217886117U (en) | 2022-06-27 | 2022-06-27 | Novel tubular rotatable vertebral lamina rongeur device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217886117U true CN217886117U (en) | 2022-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221618493.1U Active CN217886117U (en) | 2022-06-27 | 2022-06-27 | Novel tubular rotatable vertebral lamina rongeur device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217886117U (en) |
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2022
- 2022-06-27 CN CN202221618493.1U patent/CN217886117U/en active Active
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