CN211156056U

CN211156056U - Grinding head for surgical operation with internal water injection

Info

Publication number: CN211156056U
Application number: CN201921955126.9U
Authority: CN
Inventors: 柳长风
Original assignee: Guizhou Zirui Technology Co ltd
Current assignee: Guizhou Zirui Technology Co ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-08-04
Anticipated expiration: 2029-11-13

Abstract

The utility model discloses an inner water injection surgical grinding head, which comprises a grinding head, a cutter tube component and an outer shell part, wherein the cutter tube component comprises an inner tube, a middle tube and an outer tube, the inner tube is provided with a water injection hole, the middle tube is provided with a section of open slot, the outer tube is provided with a water inlet hole, and a water pipe plug is inserted into the water inlet hole; the utility model discloses a grinding machine, including inner tube, outer tube, water injection hole, the inner tube, the outer tube, the inner tube is inserted and is equipped with the bracing piece, the end of inserting of bracing piece is pegged graft and is had the mill handle of taking the bistrique, and the water injection channel is enclosed jointly to lateral wall, the inside wall and the open slot of outer tube of this inner tube, and the clearance that forms between this inner tube and. The utility model discloses in, form water injection channel between the three-layer tool post of tool post subassembly, water gets into from the inner tube again and grinds the clearance between handle and the inner tube behind water injection channel from the water inlet to at last from the port outflow of grinding handle and inner tube, handle and bistrique are ground in the cooling, simple structure, convenient to use, the practicality is strong.

Description

Grinding head for surgical operation with internal water injection

Technical Field

The utility model relates to a bistrique field is used in the operation, in particular to interior bistrique for surgical operation of pouring water in.

Background

At present, in the orthopedic surgery in the surgical operation, the grinding head is commonly used for grinding the operation position of a bone, but the grinding head is easy to generate heat when rotating at a high speed, the grinding quality of the edge part can be directly influenced after the grinding head becomes hot, namely, the grinding amount is reduced, so that the grinding is not in place, or the operation time is prolonged, heat is transmitted along the grinding handle, if the temperature is higher, other damages to the operation position can be caused, and meanwhile, the service life of the grinding assembly is influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a can carry out the bistrique for surgical operation of refrigerated interior water injection to the bistrique in the course of the work.

The technical scheme of the utility model as follows:

a surgical grinding head with internal water injection comprises a grinding head, a cutter tube assembly and an outer shell, wherein the cutter tube assembly comprises an inner tube, a middle tube sleeved on the inner tube and an outer tube sleeved on the middle tube; the inner tube is inserted with a supporting rod connected with the corresponding position of the outer shell, the inserting end of the supporting rod is inserted with a grinding handle with a grinding head, the outer side wall of the inner tube, the inner side wall of the outer tube and an open slot are enclosed together to form a water injection channel, and a gap formed between the inner tube and the grinding handle is communicated with the water injection channel through a water injection hole.

By adopting the structure, the water inlet pipe is sleeved on the water pipe plug before use, when the grinding head is used for surgical operation, the grinding head can generate heat by friction and can transmit along the grinding handle, and the temperature of the grinding handle and the grinding head is increased, so that the grinding effect of the operation is influenced; in the operation, open the valve on the inlet tube, water flows into water injection channel from the inlet opening through the water pipe plug, and flow into the clearance that forms between inner tube and the mill handle along water injection channel, absorb the heat on mill handle and the bistrique, make the temperature reduction of mill handle and bistrique, afterwards, water flows out from the inner tube position of bistrique one end, the position that flows in and carries out the grinding operation, because there is special equipment to absorb the piece and the bloody water of formation of polishing during the operation, consequently, water that flows out from the inner tube also is discharged after being absorbed by equipment in the lump, can not cause the influence to the operation, consequently, can suitably increase the rotational speed of mill handle, thereby shorten operation time, moreover, the steam generator is simple in structure, high durability and.

In order to avoid water seepage from a gap between the middle pipe and the inner pipe or the outer pipe, preferably, the end surfaces of the right ends of the inner pipe and the middle pipe are flush with the end surface of the right end of the outer pipe, and the end surface of the right end of the middle pipe is welded and fixed with the end surface of the right end of the inner pipe and the end surface of the right end of the outer pipe respectively.

In order to avoid water seepage from the gap between the middle pipe and the inner pipe or the outer pipe, preferably, the end surfaces of the right ends of the inner pipe and the middle pipe are flush with the end surface of the right end of the outer pipe, and the end surface of the right end of the middle pipe is respectively bonded and fixed with the end surface of the right end of the inner pipe and the end surface of the right end of the outer pipe by using metal bonding agents.

For the convenience of assembling the cutter pipe assembly, preferably, the left end of the middle pipe protrudes to the left out of the end surface of the left end of the outer pipe, and the left end of the inner pipe protrudes to the left out of the end surface of the left end of the middle pipe.

In order to conveniently connect the water inlet pipe, preferably, the included angle between the water pipe plug and the outer pipe is 60 degrees.

In order to ensure that the outer pipe and the water pipe plug are tightly connected, the outer pipe and the water pipe plug are preferably integrally formed.

In order to facilitate the connection of a driving device and avoid transmission interference, preferably, a support rod is inserted in the inner tube, the insertion end of the support rod is inserted with a grinding handle, the outer shell comprises a shell body which is sleeved on the outer tube, a driving rod is arranged in the shell body in a penetrating manner, one end of the driving rod is arranged in the non-insertion end of the support rod in a penetrating manner, and the other end of the driving rod is connected with the driving device; an elastic steel wire penetrates through the support rod, one end of the elastic steel wire is connected with the grinding handle, the other end of the elastic steel wire is connected with the penetrating end of the driving rod, and the driving device sequentially transmits the elastic steel wire to the driving rod and the grinding handle and drives the grinding head to rotate.

In order to increase the visual field during operation, the outer tube, the middle tube, the inner tube and the support rod are preferably arranged in a bending mode, and the bending curvatures are the same.

Has the advantages that: the utility model discloses in, form water injection channel between the three-layer tool post of tool post subassembly, water gets into from the inner tube again and grinds the clearance between handle and the inner tube behind water injection channel from the water inlet to at last from the port outflow of grinding handle and inner tube, handle and bistrique are ground in the cooling, simple structure, convenient to use, the practicality is strong.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is an enlarged view at B in fig. 2.

Fig. 5 is a schematic structural view of the outer tube, the middle tube, the inner tube and the support rod.

Fig. 6 is a schematic view of the combination of the outer tube, the middle tube, the inner tube and the support rod.

Detailed Description

The embodiments of the present invention will be further explained with reference to the drawings.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the internal water injection surgical grinding head of the present invention comprises a grinding head 1, a knife tube assembly and an outer shell portion 3, wherein the knife tube assembly comprises an inner tube 23, a middle tube 22 sleeved on the inner tube 23, and an outer tube 21 sleeved on the middle tube 22, the left end of the middle tube 22 protrudes to the left from the end surface of the left end of the outer tube 21, and the left end of the inner tube 23 protrudes to the left from the end surface of the left end of the middle tube 22; the end faces of the right ends of the inner tube 23 and the middle tube 22 are flush with the end face of the right end of the outer tube 21, and the end face of the right end of the middle tube 22 is welded and fixed with the end face of the right end of the inner tube 23 and the end face of the right end of the outer tube 21 respectively or is bonded and fixed by using a metal adhesive.

The inner pipe 23 is provided with a water injection hole 24, the middle pipe 22 is provided with a section of open slot 25 communicated with the water injection hole 24, the outer pipe 21 is provided with a water inlet hole 26 communicated with the open slot 25, the water inlet hole 26 is inserted with a water pipe plug 27, the outer side wall of the inner pipe 23, the inner side wall of the outer pipe 21 and the open slot 25 are jointly surrounded to form a water injection channel, and a gap formed between the inner pipe 23 and the grinding handle 11 is communicated with the water injection channel through the water injection hole 24; the included angle between the water pipe plug 27 and the outer pipe 21 is 60 degrees, and the outer pipe 21 and the water pipe plug 27 are integrally formed.

The outer pipe 21, the middle pipe 22, the inner pipe 23 and the support rod 28 are all arranged in a bending mode, and the bending curvatures are the same; a support rod 28 is inserted into the inner tube 23, the insertion end of the support rod 28 is inserted with the grinding handle 11, the outer shell portion 3 comprises a shell body, the shell body is sleeved on the outer tube 21, a drive rod 30 penetrates through the shell body, one end of the drive rod 30 penetrates through the non-insertion end of the support rod 28, and the other end of the drive rod is connected with a driving device; an elastic steel wire 12 penetrates through the support rod 28, one end of the elastic steel wire 12 is connected with the grinding handle 11, the other end of the elastic steel wire 12 is connected with the penetrating end of the driving rod 30, and the driving device sequentially transmits the driving rod 30 and the grinding handle 11 and drives the grinding head 1 to rotate.

The method of use of this example is as follows:

as shown in fig. 1 to 6, before use, the driving rod 30 is connected to a driving device (not shown), and a water inlet pipe (not shown) is sleeved on the water pipe plug 27.

When the grinding head is used for a surgical operation, the driving device drives the grinding handle 11 to rotate at a higher speed through the driving rod 30, and the grinding handle 11 rubs against the inner wall of the inner tube 23 in the rotating process to generate heat, so that the temperature of the grinding handle 11 and the grinding head 1 is increased; meanwhile, a valve (not shown) on the water inlet pipe is opened, water flows into a water injection channel formed by the outer side wall of the inner pipe 23, the inner side wall of the outer pipe 21 and the open groove 25 through a water pipe plug 27 from the water inlet hole 26, flows leftwards along the water injection channel, flows into a gap 29 formed between the inner pipe 23 and the grinding handle 11 through the water injection hole 24, absorbs heat of the grinding handle 11, reduces the temperature of the grinding handle 11 and the grinding head 1, then flows out from a port at the left end of the inner pipe 23, flows into a part for grinding operation along the grinding handle 11 and the grinding head 1, and due to the fact that special equipment absorbs scraps and blood water formed by grinding when the grinding operation is carried out, the water flowing out from the inner pipe 23 is sucked by the equipment and then discharged without influencing the operation.

The injected water continuously cools the grinding handle 11 and the grinding head 1, so that the grinding handle 11 can be kept at a lower temperature in the rotating process, the rotating speed of grinding can be properly increased, the operation time is shortened, the structure is simple, the use is convenient, and the practicability is high.

The utility model discloses do not describe the part unanimously with prior art, do not describe herein any more.

The above is only the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings are directly or indirectly applied to other related technical fields, all the same principle is within the patent protection scope of the present invention.

Claims

1. The utility model provides an interior bistrique for surgery operation of pouring in water which characterized in that: the grinding head comprises a grinding head (1), a cutter tube assembly and an outer shell part (3), wherein the cutter tube assembly comprises an inner tube (23), a middle tube (22) sleeved on the inner tube (23) and an outer tube (21) sleeved on the middle tube (22), a water injection hole (24) is formed in the inner tube (23), a section of open slot (25) communicated with the water injection hole (24) is formed in the middle tube (22), a water inlet hole (26) communicated with the open slot (25) is formed in the outer tube (21), and a water pipe plug (27) is inserted into the water inlet hole (26); the grinding head is characterized in that a grinding handle (11) with a grinding head (1) is inserted into the inner tube (23), the outer side wall of the inner tube (23), the inner side wall of the outer tube (21) and the open slot (25) are encircled together to form a water injection channel, and a gap (29) formed between the inner tube (23) and the grinding handle (11) is communicated with the water injection channel through a water injection hole (24).

2. The internally watered surgical burr of claim 1, wherein: the end faces of the right ends of the inner pipe (23) and the middle pipe (22) are flush with the end face of the right end of the outer pipe (21), and the end face of the right end of the middle pipe (22) is welded and fixed with the end face of the right end of the inner pipe (23) and the end face of the right end of the outer pipe (21) respectively.

3. The internally watered surgical burr of claim 1, wherein: the end faces of the right ends of the inner pipe (23) and the middle pipe (22) are flush with the end face of the right end of the outer pipe (21), and the end face of the right end of the middle pipe (22) is fixedly bonded with the end face of the right end of the inner pipe (23) and the end face of the right end of the outer pipe (21) through metal adhesives.

4. The internally watered surgical burr of claim 1, wherein: the left end of the middle pipe (22) protrudes to the left from the end surface of the left end of the outer pipe (21), and the left end of the inner pipe (23) protrudes to the left from the end surface of the left end of the middle pipe (22).

5. The internally watered surgical burr of claim 1, wherein: the included angle between the water pipe plug (27) and the outer pipe (21) is 60 degrees.

6. The internally watered surgical burr of claim 1, wherein: the outer pipe (21) and the water pipe plug (27) are integrally formed.

7. The internally watered surgical burr of claim 1, wherein: a supporting rod (28) is inserted in the inner tube (23), a grinding handle (11) is inserted in an inserting end of the supporting rod (28), the outer shell part (3) comprises a shell body, the shell body is sleeved on the outer tube (21), a driving rod (30) penetrates through the shell body, one end of the driving rod (30) penetrates through a non-inserting end of the supporting rod (28), and the other end of the driving rod is connected with a driving device; wear to be equipped with elastic steel wire (12) in bracing piece (28), the one end and the grinding handle (11) of elastic steel wire (12) are connected, and the other end is connected with the end of penetrating of actuating lever (30), and drive arrangement transmits in proper order for actuating lever (30) and grinding handle (11) to drive bistrique (1) and rotate.

8. The internally watered surgical burr of claim 1, wherein: the outer pipe (21), the middle pipe (22), the inner pipe (23) and the support rod (28) are all arranged in a bending mode, and the bending curvatures are the same.