CN208212083U - soft tissue expander - Google Patents
soft tissue expander Download PDFInfo
- Publication number
- CN208212083U CN208212083U CN201720930107.5U CN201720930107U CN208212083U CN 208212083 U CN208212083 U CN 208212083U CN 201720930107 U CN201720930107 U CN 201720930107U CN 208212083 U CN208212083 U CN 208212083U
- Authority
- CN
- China
- Prior art keywords
- caliper
- screw
- soft
- casing
- soft tissue
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of soft tissue expander, the caliper being flexibly connected including two；Caliper includes handle portion and flat part；Caliper is respectively fixed with soft-tissue expansion piece at flat part end；Adjusting rod is provided between caliper handle portion；Adjusting rod includes being relatively fixed to the first caliper and the first screw-casing and the second screw-casing on the second caliper handle portion, and the screw rod for being connected with each other and being respectively embedded therein respectively.The present apparatus can accuracy controlling soft-tissue expansion piece degrees of expansion, accurately to control the tearability of wound, meanwhile, by the use of the present apparatus, can also reduce the probability that esophageal fistula occurs during anterior cervical operation.
Description
Technical field
The utility model belongs to technical field of medical equipment, and in particular to a kind of soft tissue expander.
Background technique
Cervical spondylotic myelopathy (cervical spinal cord is oppressed after disc herniation) is common disease, long-standing problem patient.At present
Treatment method, mostly use open surgery, i.e. anterior approach discectomy decompression and fusion, operation wound is big, Huan Zhekang
The multiple time is long, and medical expense is high.With the progress of minimal invasive techniques, there is backbone scope inferoanterior approach operative treatment ridge
Marrow myelopathy, it is advantageous that: operation wound is small, and local anaesthesia menisectomy, rehabilitation of patients after surgical treatment is fast, and medical expense is lower.The hand
Art need throat side skin cut an about 4mm notch, Needle localization to target area, then successively merging soft tissue expander,
Work sleeve and backbone scope, extracts under direct-view to Lumbar intervertebral disc protrusion, makes the spinal decompression being pressurized.
However existing puncture and set pipe process and carried out depending under blind, it can not accurately adjust expander degrees of expansion, nothing
Method determines whether operating position has oesophagus slide-in, easy damaged oesophagus, once causing to damage to oesophagus, will cause esophageal fistula, causes
Infection or even threat to life.It is therefore desirable to design an operation tool to improve the technology, to reduce the incidence of esophageal fistula,
And realize that visualization precisely punctures.
Utility model content
For above-mentioned deficiency in the prior art, the utility model provides a kind of soft tissue expander, can avoid under blind view
The problem of being punctured, setting pipe and can not accurately adjust expander degrees of expansion reduces the incidence of esophagus fistula, realizes visual
Change and precisely punctures.
In order to solve the above technical problems, the technical solution adopted in the utility model are as follows:
A kind of soft tissue expander is provided, the caliper being flexibly connected including two；Caliper includes handle portion and flat part；Caliper
Soft-tissue expansion piece is respectively fixed at flat part end；Adjusting rod is provided between caliper handle portion；
Adjusting rod includes the first screw-casing and second being relatively fixed on the first caliper and the second caliper handle portion respectively
Screw-casing, and the screw rod for being connected with each other and being respectively embedded therein.
Preferably, be respectively arranged on the first screw-casing and the second screw-casing with external screw thread on screw rod match it is left-handed in
Screw thread and dextrorotation internal screw thread.
Preferably, externally threaded length is consistent with the length of levogyrate inner thread and dextrorotation internal screw thread respectively on screw rod.
Preferably, screw rod is individually fixed in connector both ends；Connector surface is evenly arranged with several tooth form items.
Preferably, the first screw-casing and the second screw-casing are respectively arranged with the first nut and second adjacent to one end of connector
Nut.
Preferably, soft-tissue expansion piece semicircular in shape, one end far from caliper is taper, and cone angle is arc-shaped.
Preferably, the handle portion of caliper is arc-shaped.
Preferably, the connection type between caliper is hinged.
The utility model has the following beneficial effects:
1, when using the present apparatus, by rotary connector, screw rod can be threaded in or out the first screw-casing and the simultaneously
Two screw-casings achieve the purpose that adjust soft-tissue expansion piece closure or separation to realize the closure or separation of caliper flat end.
2, to be threadedly coupled between screw rod and the first screw-casing and the second screw-casing, it is being closed or is expanding soft-tissue expansion piece
During, connector, soft-tissue expansion piece are expanded or close up 2 screw pitch for each revolution, thus reach soft group of fine adjustment
It knits expanding plate expansion degree and solves existing hand-held devices bring unstability accurately to control the tear(ing) strength of wound.
3, wound is inserted by the soft-tissue expansion piece for being closed the present apparatus, rotary connector can be such that soft tissue expands
Piece expansion is opened, and soft tissue is successively separated by incision until field of operation, is convenient for later observation scope by soft-tissue expansion piece
Entrance, field of operation is observed, subsequent surgical procedure is carried out to avoid oesophagus, tracheae etc., reduces generation esophageal fistula
Probability.
4, connector surface is provided with several tooth form items, it is possible to increase frictional force when rotation, convenient for being operated to device.
5, soft-tissue expansion piece is provided with arc-shaped cone angle far from one end of caliper, in augmenting soft tissue expanding plate to soft group
While knitting cutting force, it also can effectively reduce and damage brought to soft tissue.
Detailed description of the invention
Fig. 1 is the top view of the present apparatus；
Fig. 2 is adjusting rod structural schematic diagram；
Fig. 3 is that soft-tissue expansion piece is closed schematic diagram；
Fig. 4 is soft-tissue expansion piece front view.
Wherein, 1, caliper；2, connector；3, soft-tissue expansion piece；4, adjusting rod；5, the first screw-casing；6, the second spiral
Set；7, screw rod；8, the second nut；9, the first nut.
Specific embodiment
Specific embodiment of the present utility model is described below, in order to facilitate understanding by those skilled in the art
The utility model, it should be apparent that the utility model is not limited to the range of specific embodiment, to the common skill of the art
For art personnel, if various change the attached claims limit and determine the utility model spirit and scope in,
These variations are it will be apparent that all are created using the utility model of the utility model design in the column of protection.
Shown in as shown in Figure 1, Figure 3 and Figure 4, the soft tissue expander, including two calipers being hinged 1, caliper 1 includes flat
Straight portion and handle portion, are fixed with the soft-tissue expansion piece 3 of semicircular in shape, two soft-tissue expansion pieces, 3 semicircle at flat part end respectively
The side of shape is opposite, and the one end of soft-tissue expansion piece 3 far from caliper 1 is taper, and cone angle is arc-shaped, and expands in augmenting tissue
While piece is to Soft tissue cutting power, the damage caused by soft tissue when soft-tissue expansion piece 3 is inserted into wound also can effectively reduce
Wound.
As shown in Figure 1, the handle portion of caliper 1 is arc-shaped, and is provided with adjusting rod 4 between the handle portion of two arcs,
Soft-tissue expansion piece 3 mutual closure and separation are controlled by adjusting bar 4.
As shown in Fig. 2, adjusting rod 4 includes the first screw-casing 5 and the second spiral being individually fixed between 1 handle portion of caliper
Set 6, and the screw rod 7 being respectively embedded therein, 7 structure of two screw rods is identical, and screw rod 7 and the first screw-casing 5 and the second screw-casing 6
It is connected through a screw thread, the external screw thread of left or right rotation is provided on screw rod 7, be provided in the first screw-casing 5 and the outer spiral shell of screw rod 7
The levogyrate inner thread or dextrorotation internal screw thread that line matches；Be provided on second screw-casing 6 match with 7 external screw thread of screw rod it is left-handed
Internal screw thread or dextrorotation internal screw thread.
If screw rod 7 is sinistral external thread, then it is provided with levogyrate inner thread in the first screw-casing 5, and due to the first spiral shell
Rotation set 5 and the second screw-casing 6 are oppositely arranged, then the screw rod 7 being embedded in the second screw-casing 6 is dextrorotation external screw thread, the second spiral shell
Internal screw thread in rotation set 6 also needs to be set as dextrorotation internal screw thread, and on screw rod 7 externally threaded length respectively with the first screw-casing 5 and
The internal screw thread length of second screw-casing 6 setting is consistent.
As shown in Fig. 2, two screw rods 7 are individually fixed in the both ends of connector 2, connector 2 is rounded, and surface is uniformly set
Several tooth form items are equipped with, to increase friction, by rotary connector 2, screw rod 7 can screw out or screw in simultaneously the first screw-casing
Reach adjustment soft-tissue expansion piece closure or isolated mesh with the second screw-casing to realize the closure or separation of caliper flat end
's.
Meanwhile to be threadedly coupled between screw rod and the first screw-casing and the second screw-casing, expand being closed or expanding soft tissue
During opening piece, connector, soft-tissue expansion piece are expanded or close up 2 screw pitch for each revolution, thus reach fine adjustment
Soft-tissue expansion piece expands degree and it is unstable to solve existing hand-held devices bring accurately to control the tear(ing) strength of wound
Property.
As shown in Fig. 2, the first screw-casing 5 and the second screw-casing 6 are respectively arranged with the first nut adjacent to one end of connector 2
9 and second nut 8, when screw rod 7 is completely screwed into the first screw-casing 5 and the second screw-casing 6, tie down screw 7.
When using the present apparatus, wound is inserted by the soft-tissue expansion piece for being closed the present apparatus, rotary connector, i.e.,
Soft-tissue expansion piece can be made to expand, and soft tissue is successively separated by incision until field of operation, is convenient for by soft-tissue expansion piece
The entrance of subsequent scope, observes field of operation, carries out subsequent surgical procedure to avoid oesophagus, tracheae etc., reduces neck
The probability of esophageal fistula occurs in vertebra surgical procedure.
Specific embodiment is described in detail, but should not be construed as the restriction to the protection scope of this patent.?
In range described by claims, various modifications and deformation that those skilled in the art can make without creative work
Still belong to the protection scope of this patent.
Claims (8)
1. a kind of soft tissue expander, which is characterized in that the caliper (1) being flexibly connected including two；The caliper (1) includes handle
Portion and flat part；The caliper (1) is respectively fixed with soft-tissue expansion piece (3) at flat part end；Caliper (1) handle portion it
Between be provided with adjusting rod (4)；
The adjusting rod (4) includes the first screw-casing (5) and the second screw-casing being relatively fixed on caliper (1) handle portion respectively
And the screw rod (7) that is connected with each other and is respectively embedded therein (6),.
2. soft tissue expander according to claim 1, which is characterized in that first screw-casing (5) and the second spiral
The levogyrate inner thread and dextrorotation internal screw thread to match with external screw thread on screw rod (7) is respectively arranged on set (6).
3. soft tissue expander according to claim 2, which is characterized in that externally threaded length point on the screw rod (7)
It is not consistent with the length of levogyrate inner thread and dextrorotation internal screw thread.
4. soft tissue expander according to claim 2, which is characterized in that the screw rod (7) is individually fixed in connector
(2) both ends；Connector (2) surface is evenly arranged with several tooth form items.
5. soft tissue expander according to claim 4, which is characterized in that first screw-casing (5) and the second spiral
One end of set (6) neighbouring connector (2) is respectively arranged with the first nut (9) and the second nut (8).
6. soft tissue expander according to claim 1, which is characterized in that soft-tissue expansion piece (3) semicircular in shape,
Its one end far from caliper (1) is taper, and cone angle is arc-shaped.
7. soft tissue expander according to claim 1, which is characterized in that the handle portion of the caliper (1) is arc-shaped.
8. soft tissue expander according to claim 1 or claim 7, which is characterized in that the connection type between the caliper (1)
It is hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720930107.5U CN208212083U (en) | 2017-07-28 | 2017-07-28 | soft tissue expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720930107.5U CN208212083U (en) | 2017-07-28 | 2017-07-28 | soft tissue expander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208212083U true CN208212083U (en) | 2018-12-11 |
Family
ID=64531990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720930107.5U Expired - Fee Related CN208212083U (en) | 2017-07-28 | 2017-07-28 | soft tissue expander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208212083U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107260329A (en) * | 2017-07-28 | 2017-10-20 | 四川省骨科医院 | Soft tissue expander |
-
2017
- 2017-07-28 CN CN201720930107.5U patent/CN208212083U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107260329A (en) * | 2017-07-28 | 2017-10-20 | 四川省骨科医院 | Soft tissue expander |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181211 Termination date: 20210728 |