CN217611250U

CN217611250U - Water-cooling trepan

Info

Publication number: CN217611250U
Application number: CN202221561062.6U
Authority: CN
Inventors: 柳长风; 娄海平; 张佳顺; 李辉华
Original assignee: Guizhou Zirui Technology Co ltd
Current assignee: Guizhou Zirui Technology Co ltd
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2022-10-21
Anticipated expiration: 2032-06-21

Abstract

The utility model discloses a water-cooling trepan, which comprises an outer tube, a trepan body arranged at one end of the outer tube and a handle arranged at the other end of the outer tube, wherein the trepan body comprises a saw cylinder, one end of the saw cylinder is provided with a sawtooth ring, the other end of the saw cylinder is provided with a saw handle sleeved with the outer tube, and the saw handle is provided with a water outlet hole communicated with the sawtooth ring; the outer pipe is sleeved with a handle, the handle is provided with a water inlet, the outer pipe is internally provided with a support rod assembly, a water outlet channel is encircled among the handle, the outer pipe and the support rod assembly, and a water outlet hole communicated with the water outlet channel is arranged at the corresponding position of the support rod assembly. The utility model discloses set up the saw section of thick bamboo of band saw tooth ring to by the cooling water through water outlet channel for the cooling of sawtooth ring position, carry out the operation of cutting the bone processing from this, simple structure, the simple operation has simplified mounting structure, has alleviateed weight, and the security is good.

Description

Water-cooling trepan

Technical Field

The utility model relates to the technical field of medical equipment, in particular to water-cooling trepan.

Background

When cutting the bone operation in the surgery operation, traditional manual trepan uses the column saw head to carry out the grinding form of full angle rotation usually, in the grinding process, inconvenient observation operation position, cause the dynamics not good control, the inefficiency, make the difficult excision of the relatively poor bone tissue of toughness around the operation position, still cause the damage to the better soft tissue of toughness on every side easily, break through and damage behind the hone lamella and get soft tissue under the hone lamella easily, and the syntropy rotates and causes the bone sediment to pile up easily, the bone tissue of excision inlays and is difficult to take out in the trepan, the quality of use of influence cutting.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a water-cooling trepan convenient to take and be used for osteotomy.

The technical scheme of the utility model as follows:

a water-cooling trepan comprises an outer tube, a trepan body arranged at one end of the outer tube and a handle arranged at the other end of the outer tube, wherein the trepan body comprises a saw cylinder, a sawtooth ring is arranged at one end of the saw cylinder, a saw handle sleeved with the outer tube is arranged at the other end of the saw cylinder, and a water outlet hole communicated with the sawtooth ring is formed in the saw handle; the outer pipe is sleeved with a handle, a water inlet is formed in the handle, a supporting rod assembly is arranged in the outer pipe, the corresponding position of the supporting rod assembly is connected with the handle, a water outlet channel is surrounded among the handle, the outer pipe and the supporting rod assembly, a water outlet hole communicated with the water outlet channel is formed in the corresponding position of the supporting rod assembly, and the water outlet hole is communicated with a water outlet hole.

By adopting the structure, the saw cylinder with the saw tooth ring is arranged, the bone tissue is convenient to cut or grind in a rotating mode, the saw cylinder is connected with the outer pipe through the saw handle, the supporting rod component is arranged in the outer pipe, the supporting rod component is connected with the handle with the water inlet hole, the handle, the water outlet channel is arranged between the outer pipe and the supporting rod component in a surrounding mode, the water outlet hole communicated with the water outlet channel is formed in the corresponding position of the supporting rod component, and the water outlet hole is communicated with the water outlet hole in the saw handle.

In order to simplify the installation structure and improve the use efficiency, preferably, a first step hole communicated with the water inlet hole is arranged on the handle, the large hole end of the first step hole is fixedly sleeved with the outer pipe, the hole bottom of the small hole end of the first step hole is provided with a fixing hole, a first sleeve is arranged in the first step hole, and a second step hole is arranged in the first sleeve; the support rod assembly comprises a connecting pipe sleeved in an outer pipe, one end of the outer wall of the connecting pipe is sleeved with the saw handle, the other end of the outer wall of the connecting pipe is sleeved with a second sleeve, one end of the second sleeve extends into a large hole end of a second step hole, the other end of the second sleeve is fixedly sleeved with the fixing hole, and a small hole end of the second step hole is sleeved on the outer wall of the connecting pipe; and a transmission device is arranged on the connecting pipe corresponding to the sleeving position of the second sleeve and the fixed hole.

In order to adapt to the installation structure and facilitate the discharge of cooling water, preferably, the inner wall of the small hole end of the first step hole and the corresponding position of the outer side wall of the first sleeve surround to form a first water containing cavity, the corresponding positions of the outer side wall of the first sleeve, the outer side wall of the connecting pipe and the inner wall of the hole of the outer pipe surround to form a second water containing cavity communicated with the first water containing cavity, and the connecting pipe is provided with a water discharge hole communicated with the second water containing cavity.

In order to simplify the transmission structure and facilitate installation, preferably, the transmission device comprises an input eccentric shaft and a reciprocating frame, a mounting through hole is arranged in the handle, a first bearing is embedded in the mounting through hole, the input end of the input eccentric shaft penetrates through the first bearing, and the output end of the input eccentric shaft is provided with an eccentric shaft which horizontally extends outwards; the reciprocating frame comprises a connecting block, wherein a U-shaped groove is formed in one end of the connecting block, a connecting shaft fixedly connected with the connecting pipe in a sleeved mode is arranged at the other end of the connecting block, a second bearing is vertically arranged in the U-shaped groove of the connecting block, the outer wall of the second bearing is attached to the groove wall of the U-shaped groove, and a through hole in the middle of the second bearing is fixedly connected to the eccentric shaft in a sleeved mode.

In order to facilitate the observation of the operation site and the collection of bone fragments, an opening is preferably provided at one side of the saw cylinder.

In order to prevent slipping and facilitate the input of cooling water, preferably, the handle is sleeved with an anti-slip sleeve, and the anti-slip sleeve is provided with a water inlet pipe communicated with the water inlet hole.

Has the advantages that: the utility model discloses set up the saw section of thick bamboo of band saw tooth ring to by the cooling water through water outlet channel for the cooling of sawtooth ring position, carry out the operation of cutting the bone processing from this, simple structure, the simple operation has simplified mounting structure, has alleviateed weight, and the security is good.

Drawings

Fig. 1 is an exploded view of the structure of the present invention.

Fig. 2 is a schematic view of the installation structure of the present invention.

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

Fig. 4 is a schematic structural view of the saw cylinder.

Fig. 5 is a schematic structural view of the outer tube.

Fig. 6 is a schematic structural view of the first sleeve.

Fig. 7 is a schematic view of a connecting block structure.

Fig. 8 is a use state diagram of the reciprocation frame.

Detailed Description

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

As shown in fig. 1 to 8, the utility model comprises an outer tube 2, a trepan body arranged at one end of the outer tube 2, and a handle 5 arranged at the other end of the outer tube 2, wherein the trepan body comprises a saw cylinder 1, one end of the saw cylinder 1 is provided with a sawtooth ring 12, the other end of the saw cylinder 1 is provided with a saw handle 11 sleeved with the outer tube 2, and the saw handle 11 is provided with a water outlet 13 communicated with the middle part of the sawtooth ring 12; an opening is arranged at one side of the saw cylinder 1.

A handle 5 is sleeved on the outer side of the outer tube 2, a first stepped hole 52 communicated with a water inlet 51 is formed in the handle 5, a large hole end of the first stepped hole 52 is fixedly sleeved with the outer tube 2, a fixing hole 511 is formed in the hole bottom of a small hole end of the first stepped hole 52, a first sleeve 22 is arranged in the first stepped hole 52, and a second stepped hole 54 is formed in the first sleeve 22; the supporting rod assembly is arranged in the outer pipe 2 and comprises a connecting pipe 21 sleeved in the outer pipe 2, one end of the outer wall of the connecting pipe 21 is sleeved with the saw handle 11, the other end of the outer wall of the connecting pipe is sleeved with a second sleeve 23, one end of the second sleeve 23 extends into the large hole end of the second step hole 54, the other end of the second sleeve is fixedly sleeved with the fixing hole 511, and the small hole end of the second step hole 54 is sleeved on the outer wall of the connecting pipe 21.

The inner wall of the small hole end of the first stepped hole 52 and the corresponding position of the outer side wall of the first sleeve 22 surround to form a first water containing cavity 31, the corresponding positions of the outer side wall of the first sleeve 22, the outer side wall of the connecting pipe 21 and the inner wall of the hole of the outer pipe 2 surround to form a second water containing cavity 32 communicated with the first water containing cavity 31, a drain hole 33 communicated with the second water containing cavity 32 is arranged on the connecting pipe 21, and the drain hole 33 is communicated with the water outlet hole 13.

A transmission device is arranged on the connecting pipe 21 corresponding to the sleeving position of the second sleeve 23 and the fixing hole 511. The transmission device comprises an input eccentric shaft 53 and a reciprocating frame, wherein a mounting through hole is arranged in the handle 5, a first bearing 531 is embedded in the mounting through hole, the input end of the input eccentric shaft 53 penetrates through the first bearing 531, and the output end of the input eccentric shaft 53 is provided with an eccentric shaft 532 which horizontally extends outwards; the reciprocating frame comprises a connecting block 533, one end of the connecting block 533 is provided with a U-shaped groove, the other end of the connecting block 533 is provided with a connecting shaft 534 fixedly sleeved with the connecting pipe 21, a second bearing 521 is vertically arranged in the U-shaped groove of the connecting block 533, the outer wall of the second bearing 521 is attached to the groove wall of the U-shaped groove, and a through hole in the middle of the second bearing 521 is fixedly sleeved on the eccentric shaft 532.

The handle 5 is sleeved with an anti-skid sleeve 50, and the anti-skid sleeve 50 is provided with a water inlet pipe 501 communicated with the water inlet hole 51.

The utility model discloses a use method as follows:

as shown in fig. 1 to 8, a motor (not shown) is started, the input eccentric shaft 53 drives the eccentric shaft 532 to rotate, the eccentric shaft 532 is sleeved with the second bearing 521, the second bearing 521 is sleeved in a U-shaped groove of the reciprocating frame, the outer wall of the second bearing 521 is attached to the groove wall of the U-shaped groove, and the eccentric rotation of the eccentric shaft 532 drives the second bearing 521 to slide in the groove, so as to drive the reciprocating frame to reciprocate left and right in the circumferential direction (i.e., clockwise and counterclockwise in the state of a and b in fig. 8), i.e., the connecting pipe 21 drives the sawtooth ring 12 to reciprocate, when the saw cylinder 1 is held vertically or obliquely, the bone tissue stress at the bone cutting position is uniform, the cutting wound surface is neat and stable, the bone tissue can be processed more stably, the processing effect of bone tissue grinding or repairing can be improved, the wound can be recovered more quickly, and the cutting depth and width can be controlled well.

Meanwhile, as shown in fig. 2 to 5, cooling water is input from the water inlet pipe 501, flows into the first water containing cavity 31 and the second water containing cavity 32 through the water inlet hole 51, flows into the cavity of the connecting pipe 21 through the water outlet hole 33, directly stays at the position of the sawtooth ring 12 through the water outlet hole 13, and also flows to the position of the sawtooth ring 12 along the saw cylinder 1, and in the process, the cooling water cools the connecting pipe 21, the saw handle 11, the saw cylinder 1 and the sawtooth ring 12 together.

In addition, the saw cylinder 1 is cylindrical, an opening is arranged on the saw cylinder 1, firstly, the operation position condition can be conveniently observed from the middle part of the sawtooth ring, secondly, the inner wall of the saw cylinder 1 also forms an arc-shaped groove structure, bone residues can be conveniently collected and taken out to match the operation requirement,

it should be noted that, as shown in fig. 2 and 3, the cooling water enters the connecting pipe 21 through the water discharge hole 33 and is discharged through the water discharge hole 13, in order to prevent the cooling water from flowing into the handle 5, the outer diameter of the connecting shaft 534 is adapted to the inner diameter of the connecting pipe 21, so as to ensure the sealing performance of the installation while ensuring the fixed socket joint.

The utility model discloses do not describe the part unanimously with prior art, do not do the repeated description here.

Claims

1. A water-cooling trepan is characterized in that: the ring saw comprises an outer tube (2), a ring saw body arranged at one end of the outer tube (2), and a handle (5) arranged at the other end of the outer tube (2), wherein the ring saw body comprises a saw cylinder (1), a sawtooth ring (12) is arranged at one end of the saw cylinder (1), a saw handle (11) sleeved with the outer tube (2) is arranged at the other end of the saw cylinder (1), and a water outlet hole (13) communicated with the sawtooth ring (12) is formed in the saw handle (11); the outer periphery of the outer pipe (2) is sleeved with a handle (5), a water inlet hole (51) is formed in the handle (5), a supporting rod assembly is arranged in the outer pipe (2), the corresponding position of the supporting rod assembly is connected with the handle (5), a water outlet channel is arranged among the handle (5), the outer pipe (2) and the supporting rod assembly in a surrounding mode, a water outlet hole (33) communicated with the water outlet channel is formed in the corresponding position of the supporting rod assembly, and the water outlet hole (33) is communicated with the water outlet hole (13).

2. The water-cooled trepan as claimed in claim 1, wherein: a first step hole (52) communicated with a water inlet hole (51) is formed in the handle (5), the large hole end of the first step hole (52) is fixedly sleeved with the outer pipe (2), a fixing hole (511) is formed in the hole bottom of the small hole end of the first step hole (52), a first sleeve (22) is arranged in the first step hole (52), and a second step hole (54) is formed in the first sleeve (22); the supporting rod assembly comprises a connecting pipe (21) sleeved in the outer pipe (2), one end of the connecting pipe (21) is sleeved with the saw handle (11), the other end of the connecting pipe is sleeved with a second sleeve (23), one end of the second sleeve (23) extends into the large hole end of the second stepped hole (54), the other end of the second sleeve is fixedly sleeved with the fixing hole (511), and the small Kong Duantao of the second stepped hole (54) is connected to the outer wall of the connecting pipe (21); and a transmission device is arranged on the connecting pipe (21) corresponding to the sleeving connection position of the second sleeve (23) and the fixing hole (511).

3. A water-cooled trepan as claimed in claim 2, wherein: the inner wall of the small hole end of the first step hole (52) and the corresponding position of the outer wall of the first sleeve (22) surround to form a first water containing cavity (31), the corresponding positions of the outer wall of the first sleeve (22), the outer wall of the connecting pipe (21) and the inner wall of the hole of the outer pipe (2) surround to form a second water containing cavity (32) communicated with the first water containing cavity (31), and a water drainage hole (33) communicated with the second water containing cavity (32) is formed in the connecting pipe (21).

4. A water-cooled trepan as claimed in claim 3, wherein: the transmission device comprises an input eccentric shaft (53) and a reciprocating frame, a mounting through hole is arranged in the handle (5), a first bearing (531) is embedded in the mounting through hole, the input end of the input eccentric shaft (53) penetrates through the first bearing (531), and the output end of the input eccentric shaft (53) is provided with an eccentric shaft (532) which horizontally extends outwards; reciprocating frame includes connecting block (533), the one end of connecting block (533) is equipped with "U" groove, and the other end is equipped with and cup joints fixed connecting axle (534) with connecting pipe (21), vertically is equipped with second bearing (521) at the "U" inslot of connecting block (533), the outer wall of second bearing (521) and the cell wall laminating in "U" groove, the middle part through-hole of this second bearing (521) cup joints to be fixed on eccentric shaft (532).

5. The water-cooled trepan as claimed in claim 1, wherein: an opening is formed in one side of the saw cylinder (1).

6. The water-cooled trepan as claimed in claim 1, wherein: the anti-skidding handle is characterized in that an anti-skidding sleeve (50) is sleeved on the handle (5), and a water inlet pipe (501) communicated with a water inlet hole (51) is arranged on the anti-skidding sleeve (50).